6830 lines
205 KiB
C
6830 lines
205 KiB
C
/* Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd
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See the file COPYING for copying permission.
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77fea421d361dca90041d0040ecf1dca651167fadf2af79e990e35168d70d933 (2.2.1+)
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*/
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#define _GNU_SOURCE /* syscall prototype */
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#include <stddef.h>
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#include <string.h> /* memset(), memcpy() */
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#include <assert.h>
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#include <limits.h> /* UINT_MAX */
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#include <stdio.h> /* fprintf */
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#include <stdlib.h> /* getenv */
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#ifdef _WIN32
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#define getpid GetCurrentProcessId
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#else
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#include <sys/time.h> /* gettimeofday() */
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#include <sys/types.h> /* getpid() */
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#include <unistd.h> /* getpid() */
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#endif
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#define XML_BUILDING_EXPAT 1
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#ifdef _WIN32
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#include "winconfig.h"
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#elif defined(HAVE_EXPAT_CONFIG_H)
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#include <expat_config.h>
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#endif /* ndef _WIN32 */
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#include "ascii.h"
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#include "expat.h"
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#include "siphash.h"
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#ifdef XML_UNICODE
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#define XML_ENCODE_MAX XML_UTF16_ENCODE_MAX
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#define XmlConvert XmlUtf16Convert
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#define XmlGetInternalEncoding XmlGetUtf16InternalEncoding
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#define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS
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#define XmlEncode XmlUtf16Encode
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/* Using pointer subtraction to convert to integer type. */
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#define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((char *)(s) - (char *)NULL) & 1))
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typedef unsigned short ICHAR;
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#else
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#define XML_ENCODE_MAX XML_UTF8_ENCODE_MAX
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#define XmlConvert XmlUtf8Convert
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#define XmlGetInternalEncoding XmlGetUtf8InternalEncoding
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#define XmlGetInternalEncodingNS XmlGetUtf8InternalEncodingNS
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#define XmlEncode XmlUtf8Encode
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#define MUST_CONVERT(enc, s) (!(enc)->isUtf8)
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typedef char ICHAR;
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#endif
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#ifndef XML_NS
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#define XmlInitEncodingNS XmlInitEncoding
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#define XmlInitUnknownEncodingNS XmlInitUnknownEncoding
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#undef XmlGetInternalEncodingNS
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#define XmlGetInternalEncodingNS XmlGetInternalEncoding
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#define XmlParseXmlDeclNS XmlParseXmlDecl
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#endif
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#ifdef XML_UNICODE
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#ifdef XML_UNICODE_WCHAR_T
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#define XML_T(x) (const wchar_t)x
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#define XML_L(x) L ## x
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#else
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#define XML_T(x) (const unsigned short)x
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#define XML_L(x) x
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#endif
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#else
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#define XML_T(x) x
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#define XML_L(x) x
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#endif
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/* Round up n to be a multiple of sz, where sz is a power of 2. */
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#define ROUND_UP(n, sz) (((n) + ((sz) - 1)) & ~((sz) - 1))
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/* Handle the case where memmove() doesn't exist. */
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#ifndef HAVE_MEMMOVE
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#ifdef HAVE_BCOPY
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#define memmove(d,s,l) bcopy((s),(d),(l))
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#else
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#error memmove does not exist on this platform, nor is a substitute available
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#endif /* HAVE_BCOPY */
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#endif /* HAVE_MEMMOVE */
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#include "internal.h"
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#include "xmltok.h"
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#include "xmlrole.h"
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typedef const XML_Char *KEY;
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typedef struct {
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KEY name;
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} NAMED;
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typedef struct {
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NAMED **v;
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unsigned char power;
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size_t size;
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size_t used;
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const XML_Memory_Handling_Suite *mem;
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} HASH_TABLE;
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static size_t
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keylen(KEY s);
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static void
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copy_salt_to_sipkey(XML_Parser parser, struct sipkey * key);
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/* For probing (after a collision) we need a step size relative prime
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to the hash table size, which is a power of 2. We use double-hashing,
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since we can calculate a second hash value cheaply by taking those bits
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of the first hash value that were discarded (masked out) when the table
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index was calculated: index = hash & mask, where mask = table->size - 1.
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We limit the maximum step size to table->size / 4 (mask >> 2) and make
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it odd, since odd numbers are always relative prime to a power of 2.
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*/
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#define SECOND_HASH(hash, mask, power) \
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((((hash) & ~(mask)) >> ((power) - 1)) & ((mask) >> 2))
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#define PROBE_STEP(hash, mask, power) \
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((unsigned char)((SECOND_HASH(hash, mask, power)) | 1))
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typedef struct {
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NAMED **p;
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NAMED **end;
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} HASH_TABLE_ITER;
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#define INIT_TAG_BUF_SIZE 32 /* must be a multiple of sizeof(XML_Char) */
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#define INIT_DATA_BUF_SIZE 1024
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#define INIT_ATTS_SIZE 16
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#define INIT_ATTS_VERSION 0xFFFFFFFF
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#define INIT_BLOCK_SIZE 1024
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#define INIT_BUFFER_SIZE 1024
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#define EXPAND_SPARE 24
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typedef struct binding {
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struct prefix *prefix;
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struct binding *nextTagBinding;
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struct binding *prevPrefixBinding;
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const struct attribute_id *attId;
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XML_Char *uri;
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int uriLen;
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int uriAlloc;
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} BINDING;
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typedef struct prefix {
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const XML_Char *name;
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BINDING *binding;
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} PREFIX;
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typedef struct {
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const XML_Char *str;
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const XML_Char *localPart;
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const XML_Char *prefix;
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int strLen;
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int uriLen;
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int prefixLen;
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} TAG_NAME;
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/* TAG represents an open element.
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The name of the element is stored in both the document and API
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encodings. The memory buffer 'buf' is a separately-allocated
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memory area which stores the name. During the XML_Parse()/
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XMLParseBuffer() when the element is open, the memory for the 'raw'
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version of the name (in the document encoding) is shared with the
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document buffer. If the element is open across calls to
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XML_Parse()/XML_ParseBuffer(), the buffer is re-allocated to
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contain the 'raw' name as well.
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A parser re-uses these structures, maintaining a list of allocated
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TAG objects in a free list.
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*/
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typedef struct tag {
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struct tag *parent; /* parent of this element */
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const char *rawName; /* tagName in the original encoding */
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int rawNameLength;
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TAG_NAME name; /* tagName in the API encoding */
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char *buf; /* buffer for name components */
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char *bufEnd; /* end of the buffer */
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BINDING *bindings;
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} TAG;
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typedef struct {
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const XML_Char *name;
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const XML_Char *textPtr;
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int textLen; /* length in XML_Chars */
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int processed; /* # of processed bytes - when suspended */
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const XML_Char *systemId;
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const XML_Char *base;
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const XML_Char *publicId;
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const XML_Char *notation;
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XML_Bool open;
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XML_Bool is_param;
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XML_Bool is_internal; /* true if declared in internal subset outside PE */
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} ENTITY;
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typedef struct {
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enum XML_Content_Type type;
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enum XML_Content_Quant quant;
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const XML_Char * name;
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int firstchild;
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int lastchild;
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int childcnt;
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int nextsib;
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} CONTENT_SCAFFOLD;
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#define INIT_SCAFFOLD_ELEMENTS 32
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typedef struct block {
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struct block *next;
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int size;
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XML_Char s[1];
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} BLOCK;
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typedef struct {
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BLOCK *blocks;
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BLOCK *freeBlocks;
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const XML_Char *end;
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XML_Char *ptr;
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XML_Char *start;
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const XML_Memory_Handling_Suite *mem;
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} STRING_POOL;
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/* The XML_Char before the name is used to determine whether
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an attribute has been specified. */
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typedef struct attribute_id {
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XML_Char *name;
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PREFIX *prefix;
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XML_Bool maybeTokenized;
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XML_Bool xmlns;
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} ATTRIBUTE_ID;
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typedef struct {
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const ATTRIBUTE_ID *id;
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XML_Bool isCdata;
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const XML_Char *value;
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} DEFAULT_ATTRIBUTE;
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typedef struct {
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unsigned long version;
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unsigned long hash;
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const XML_Char *uriName;
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} NS_ATT;
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typedef struct {
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const XML_Char *name;
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PREFIX *prefix;
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const ATTRIBUTE_ID *idAtt;
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int nDefaultAtts;
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int allocDefaultAtts;
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DEFAULT_ATTRIBUTE *defaultAtts;
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} ELEMENT_TYPE;
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typedef struct {
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HASH_TABLE generalEntities;
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HASH_TABLE elementTypes;
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HASH_TABLE attributeIds;
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HASH_TABLE prefixes;
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STRING_POOL pool;
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STRING_POOL entityValuePool;
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/* false once a parameter entity reference has been skipped */
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XML_Bool keepProcessing;
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/* true once an internal or external PE reference has been encountered;
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this includes the reference to an external subset */
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XML_Bool hasParamEntityRefs;
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XML_Bool standalone;
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#ifdef XML_DTD
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/* indicates if external PE has been read */
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XML_Bool paramEntityRead;
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HASH_TABLE paramEntities;
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#endif /* XML_DTD */
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PREFIX defaultPrefix;
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/* === scaffolding for building content model === */
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XML_Bool in_eldecl;
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CONTENT_SCAFFOLD *scaffold;
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unsigned contentStringLen;
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unsigned scaffSize;
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unsigned scaffCount;
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int scaffLevel;
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int *scaffIndex;
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} DTD;
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typedef struct open_internal_entity {
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const char *internalEventPtr;
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const char *internalEventEndPtr;
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struct open_internal_entity *next;
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ENTITY *entity;
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int startTagLevel;
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XML_Bool betweenDecl; /* WFC: PE Between Declarations */
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} OPEN_INTERNAL_ENTITY;
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typedef enum XML_Error PTRCALL Processor(XML_Parser parser,
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const char *start,
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const char *end,
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const char **endPtr);
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static Processor prologProcessor;
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static Processor prologInitProcessor;
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static Processor contentProcessor;
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static Processor cdataSectionProcessor;
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#ifdef XML_DTD
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static Processor ignoreSectionProcessor;
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static Processor externalParEntProcessor;
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static Processor externalParEntInitProcessor;
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static Processor entityValueProcessor;
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static Processor entityValueInitProcessor;
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#endif /* XML_DTD */
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static Processor epilogProcessor;
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static Processor errorProcessor;
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static Processor externalEntityInitProcessor;
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static Processor externalEntityInitProcessor2;
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static Processor externalEntityInitProcessor3;
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static Processor externalEntityContentProcessor;
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static Processor internalEntityProcessor;
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static enum XML_Error
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handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName);
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static enum XML_Error
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processXmlDecl(XML_Parser parser, int isGeneralTextEntity,
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const char *s, const char *next);
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static enum XML_Error
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initializeEncoding(XML_Parser parser);
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static enum XML_Error
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doProlog(XML_Parser parser, const ENCODING *enc, const char *s,
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const char *end, int tok, const char *next, const char **nextPtr,
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XML_Bool haveMore);
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static enum XML_Error
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processInternalEntity(XML_Parser parser, ENTITY *entity,
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XML_Bool betweenDecl);
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static enum XML_Error
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doContent(XML_Parser parser, int startTagLevel, const ENCODING *enc,
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const char *start, const char *end, const char **endPtr,
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XML_Bool haveMore);
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static enum XML_Error
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doCdataSection(XML_Parser parser, const ENCODING *, const char **startPtr,
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const char *end, const char **nextPtr, XML_Bool haveMore);
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#ifdef XML_DTD
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static enum XML_Error
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doIgnoreSection(XML_Parser parser, const ENCODING *, const char **startPtr,
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const char *end, const char **nextPtr, XML_Bool haveMore);
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#endif /* XML_DTD */
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static void
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freeBindings(XML_Parser parser, BINDING *bindings);
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static enum XML_Error
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storeAtts(XML_Parser parser, const ENCODING *, const char *s,
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TAG_NAME *tagNamePtr, BINDING **bindingsPtr);
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static enum XML_Error
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addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
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const XML_Char *uri, BINDING **bindingsPtr);
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static int
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defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, XML_Bool isCdata,
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XML_Bool isId, const XML_Char *dfltValue, XML_Parser parser);
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static enum XML_Error
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storeAttributeValue(XML_Parser parser, const ENCODING *, XML_Bool isCdata,
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const char *, const char *, STRING_POOL *);
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static enum XML_Error
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appendAttributeValue(XML_Parser parser, const ENCODING *, XML_Bool isCdata,
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const char *, const char *, STRING_POOL *);
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static ATTRIBUTE_ID *
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getAttributeId(XML_Parser parser, const ENCODING *enc, const char *start,
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const char *end);
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static int
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setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *);
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static enum XML_Error
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storeEntityValue(XML_Parser parser, const ENCODING *enc, const char *start,
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const char *end);
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static int
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reportProcessingInstruction(XML_Parser parser, const ENCODING *enc,
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const char *start, const char *end);
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static int
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reportComment(XML_Parser parser, const ENCODING *enc, const char *start,
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const char *end);
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static void
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reportDefault(XML_Parser parser, const ENCODING *enc, const char *start,
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const char *end);
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static const XML_Char * getContext(XML_Parser parser);
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static XML_Bool
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setContext(XML_Parser parser, const XML_Char *context);
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static void FASTCALL normalizePublicId(XML_Char *s);
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static DTD * dtdCreate(const XML_Memory_Handling_Suite *ms);
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/* do not call if parentParser != NULL */
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static void dtdReset(DTD *p, const XML_Memory_Handling_Suite *ms);
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static void
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dtdDestroy(DTD *p, XML_Bool isDocEntity, const XML_Memory_Handling_Suite *ms);
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static int
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dtdCopy(XML_Parser oldParser,
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DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms);
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static int
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copyEntityTable(XML_Parser oldParser,
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HASH_TABLE *, STRING_POOL *, const HASH_TABLE *);
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static NAMED *
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lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize);
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static void FASTCALL
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hashTableInit(HASH_TABLE *, const XML_Memory_Handling_Suite *ms);
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static void FASTCALL hashTableClear(HASH_TABLE *);
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static void FASTCALL hashTableDestroy(HASH_TABLE *);
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static void FASTCALL
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hashTableIterInit(HASH_TABLE_ITER *, const HASH_TABLE *);
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static NAMED * FASTCALL hashTableIterNext(HASH_TABLE_ITER *);
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static void FASTCALL
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poolInit(STRING_POOL *, const XML_Memory_Handling_Suite *ms);
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static void FASTCALL poolClear(STRING_POOL *);
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static void FASTCALL poolDestroy(STRING_POOL *);
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static XML_Char *
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poolAppend(STRING_POOL *pool, const ENCODING *enc,
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const char *ptr, const char *end);
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static XML_Char *
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poolStoreString(STRING_POOL *pool, const ENCODING *enc,
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const char *ptr, const char *end);
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static XML_Bool FASTCALL poolGrow(STRING_POOL *pool);
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static const XML_Char * FASTCALL
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poolCopyString(STRING_POOL *pool, const XML_Char *s);
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static const XML_Char *
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poolCopyStringN(STRING_POOL *pool, const XML_Char *s, int n);
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static const XML_Char * FASTCALL
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poolAppendString(STRING_POOL *pool, const XML_Char *s);
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static int FASTCALL nextScaffoldPart(XML_Parser parser);
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static XML_Content * build_model(XML_Parser parser);
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static ELEMENT_TYPE *
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getElementType(XML_Parser parser, const ENCODING *enc,
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const char *ptr, const char *end);
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static unsigned long generate_hash_secret_salt(XML_Parser parser);
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static XML_Bool startParsing(XML_Parser parser);
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static XML_Parser
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parserCreate(const XML_Char *encodingName,
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const XML_Memory_Handling_Suite *memsuite,
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const XML_Char *nameSep,
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DTD *dtd);
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static void
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parserInit(XML_Parser parser, const XML_Char *encodingName);
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#define poolStart(pool) ((pool)->start)
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#define poolEnd(pool) ((pool)->ptr)
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#define poolLength(pool) ((pool)->ptr - (pool)->start)
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#define poolChop(pool) ((void)--(pool->ptr))
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#define poolLastChar(pool) (((pool)->ptr)[-1])
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#define poolDiscard(pool) ((pool)->ptr = (pool)->start)
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#define poolFinish(pool) ((pool)->start = (pool)->ptr)
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#define poolAppendChar(pool, c) \
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(((pool)->ptr == (pool)->end && !poolGrow(pool)) \
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? 0 \
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: ((*((pool)->ptr)++ = c), 1))
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struct XML_ParserStruct {
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/* The first member must be userData so that the XML_GetUserData
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macro works. */
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void *m_userData;
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void *m_handlerArg;
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char *m_buffer;
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const XML_Memory_Handling_Suite m_mem;
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/* first character to be parsed */
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const char *m_bufferPtr;
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/* past last character to be parsed */
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char *m_bufferEnd;
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/* allocated end of buffer */
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const char *m_bufferLim;
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XML_Index m_parseEndByteIndex;
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const char *m_parseEndPtr;
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XML_Char *m_dataBuf;
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XML_Char *m_dataBufEnd;
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XML_StartElementHandler m_startElementHandler;
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XML_EndElementHandler m_endElementHandler;
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XML_CharacterDataHandler m_characterDataHandler;
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XML_ProcessingInstructionHandler m_processingInstructionHandler;
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XML_CommentHandler m_commentHandler;
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XML_StartCdataSectionHandler m_startCdataSectionHandler;
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XML_EndCdataSectionHandler m_endCdataSectionHandler;
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XML_DefaultHandler m_defaultHandler;
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XML_StartDoctypeDeclHandler m_startDoctypeDeclHandler;
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XML_EndDoctypeDeclHandler m_endDoctypeDeclHandler;
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XML_UnparsedEntityDeclHandler m_unparsedEntityDeclHandler;
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XML_NotationDeclHandler m_notationDeclHandler;
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XML_StartNamespaceDeclHandler m_startNamespaceDeclHandler;
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XML_EndNamespaceDeclHandler m_endNamespaceDeclHandler;
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XML_NotStandaloneHandler m_notStandaloneHandler;
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XML_ExternalEntityRefHandler m_externalEntityRefHandler;
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XML_Parser m_externalEntityRefHandlerArg;
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XML_SkippedEntityHandler m_skippedEntityHandler;
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XML_UnknownEncodingHandler m_unknownEncodingHandler;
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XML_ElementDeclHandler m_elementDeclHandler;
|
|
XML_AttlistDeclHandler m_attlistDeclHandler;
|
|
XML_EntityDeclHandler m_entityDeclHandler;
|
|
XML_XmlDeclHandler m_xmlDeclHandler;
|
|
const ENCODING *m_encoding;
|
|
INIT_ENCODING m_initEncoding;
|
|
const ENCODING *m_internalEncoding;
|
|
const XML_Char *m_protocolEncodingName;
|
|
XML_Bool m_ns;
|
|
XML_Bool m_ns_triplets;
|
|
void *m_unknownEncodingMem;
|
|
void *m_unknownEncodingData;
|
|
void *m_unknownEncodingHandlerData;
|
|
void (XMLCALL *m_unknownEncodingRelease)(void *);
|
|
PROLOG_STATE m_prologState;
|
|
Processor *m_processor;
|
|
enum XML_Error m_errorCode;
|
|
const char *m_eventPtr;
|
|
const char *m_eventEndPtr;
|
|
const char *m_positionPtr;
|
|
OPEN_INTERNAL_ENTITY *m_openInternalEntities;
|
|
OPEN_INTERNAL_ENTITY *m_freeInternalEntities;
|
|
XML_Bool m_defaultExpandInternalEntities;
|
|
int m_tagLevel;
|
|
ENTITY *m_declEntity;
|
|
const XML_Char *m_doctypeName;
|
|
const XML_Char *m_doctypeSysid;
|
|
const XML_Char *m_doctypePubid;
|
|
const XML_Char *m_declAttributeType;
|
|
const XML_Char *m_declNotationName;
|
|
const XML_Char *m_declNotationPublicId;
|
|
ELEMENT_TYPE *m_declElementType;
|
|
ATTRIBUTE_ID *m_declAttributeId;
|
|
XML_Bool m_declAttributeIsCdata;
|
|
XML_Bool m_declAttributeIsId;
|
|
DTD *m_dtd;
|
|
const XML_Char *m_curBase;
|
|
TAG *m_tagStack;
|
|
TAG *m_freeTagList;
|
|
BINDING *m_inheritedBindings;
|
|
BINDING *m_freeBindingList;
|
|
int m_attsSize;
|
|
int m_nSpecifiedAtts;
|
|
int m_idAttIndex;
|
|
ATTRIBUTE *m_atts;
|
|
NS_ATT *m_nsAtts;
|
|
unsigned long m_nsAttsVersion;
|
|
unsigned char m_nsAttsPower;
|
|
#ifdef XML_ATTR_INFO
|
|
XML_AttrInfo *m_attInfo;
|
|
#endif
|
|
POSITION m_position;
|
|
STRING_POOL m_tempPool;
|
|
STRING_POOL m_temp2Pool;
|
|
char *m_groupConnector;
|
|
unsigned int m_groupSize;
|
|
XML_Char m_namespaceSeparator;
|
|
XML_Parser m_parentParser;
|
|
XML_ParsingStatus m_parsingStatus;
|
|
#ifdef XML_DTD
|
|
XML_Bool m_isParamEntity;
|
|
XML_Bool m_useForeignDTD;
|
|
enum XML_ParamEntityParsing m_paramEntityParsing;
|
|
#endif
|
|
unsigned long m_hash_secret_salt;
|
|
};
|
|
|
|
#define MALLOC(s) (parser->m_mem.malloc_fcn((s)))
|
|
#define REALLOC(p,s) (parser->m_mem.realloc_fcn((p),(s)))
|
|
#define FREE(p) (parser->m_mem.free_fcn((p)))
|
|
|
|
#define userData (parser->m_userData)
|
|
#define handlerArg (parser->m_handlerArg)
|
|
#define startElementHandler (parser->m_startElementHandler)
|
|
#define endElementHandler (parser->m_endElementHandler)
|
|
#define characterDataHandler (parser->m_characterDataHandler)
|
|
#define processingInstructionHandler \
|
|
(parser->m_processingInstructionHandler)
|
|
#define commentHandler (parser->m_commentHandler)
|
|
#define startCdataSectionHandler \
|
|
(parser->m_startCdataSectionHandler)
|
|
#define endCdataSectionHandler (parser->m_endCdataSectionHandler)
|
|
#define defaultHandler (parser->m_defaultHandler)
|
|
#define startDoctypeDeclHandler (parser->m_startDoctypeDeclHandler)
|
|
#define endDoctypeDeclHandler (parser->m_endDoctypeDeclHandler)
|
|
#define unparsedEntityDeclHandler \
|
|
(parser->m_unparsedEntityDeclHandler)
|
|
#define notationDeclHandler (parser->m_notationDeclHandler)
|
|
#define startNamespaceDeclHandler \
|
|
(parser->m_startNamespaceDeclHandler)
|
|
#define endNamespaceDeclHandler (parser->m_endNamespaceDeclHandler)
|
|
#define notStandaloneHandler (parser->m_notStandaloneHandler)
|
|
#define externalEntityRefHandler \
|
|
(parser->m_externalEntityRefHandler)
|
|
#define externalEntityRefHandlerArg \
|
|
(parser->m_externalEntityRefHandlerArg)
|
|
#define internalEntityRefHandler \
|
|
(parser->m_internalEntityRefHandler)
|
|
#define skippedEntityHandler (parser->m_skippedEntityHandler)
|
|
#define unknownEncodingHandler (parser->m_unknownEncodingHandler)
|
|
#define elementDeclHandler (parser->m_elementDeclHandler)
|
|
#define attlistDeclHandler (parser->m_attlistDeclHandler)
|
|
#define entityDeclHandler (parser->m_entityDeclHandler)
|
|
#define xmlDeclHandler (parser->m_xmlDeclHandler)
|
|
#define encoding (parser->m_encoding)
|
|
#define initEncoding (parser->m_initEncoding)
|
|
#define internalEncoding (parser->m_internalEncoding)
|
|
#define unknownEncodingMem (parser->m_unknownEncodingMem)
|
|
#define unknownEncodingData (parser->m_unknownEncodingData)
|
|
#define unknownEncodingHandlerData \
|
|
(parser->m_unknownEncodingHandlerData)
|
|
#define unknownEncodingRelease (parser->m_unknownEncodingRelease)
|
|
#define protocolEncodingName (parser->m_protocolEncodingName)
|
|
#define ns (parser->m_ns)
|
|
#define ns_triplets (parser->m_ns_triplets)
|
|
#define prologState (parser->m_prologState)
|
|
#define processor (parser->m_processor)
|
|
#define errorCode (parser->m_errorCode)
|
|
#define eventPtr (parser->m_eventPtr)
|
|
#define eventEndPtr (parser->m_eventEndPtr)
|
|
#define positionPtr (parser->m_positionPtr)
|
|
#define position (parser->m_position)
|
|
#define openInternalEntities (parser->m_openInternalEntities)
|
|
#define freeInternalEntities (parser->m_freeInternalEntities)
|
|
#define defaultExpandInternalEntities \
|
|
(parser->m_defaultExpandInternalEntities)
|
|
#define tagLevel (parser->m_tagLevel)
|
|
#define buffer (parser->m_buffer)
|
|
#define bufferPtr (parser->m_bufferPtr)
|
|
#define bufferEnd (parser->m_bufferEnd)
|
|
#define parseEndByteIndex (parser->m_parseEndByteIndex)
|
|
#define parseEndPtr (parser->m_parseEndPtr)
|
|
#define bufferLim (parser->m_bufferLim)
|
|
#define dataBuf (parser->m_dataBuf)
|
|
#define dataBufEnd (parser->m_dataBufEnd)
|
|
#define _dtd (parser->m_dtd)
|
|
#define curBase (parser->m_curBase)
|
|
#define declEntity (parser->m_declEntity)
|
|
#define doctypeName (parser->m_doctypeName)
|
|
#define doctypeSysid (parser->m_doctypeSysid)
|
|
#define doctypePubid (parser->m_doctypePubid)
|
|
#define declAttributeType (parser->m_declAttributeType)
|
|
#define declNotationName (parser->m_declNotationName)
|
|
#define declNotationPublicId (parser->m_declNotationPublicId)
|
|
#define declElementType (parser->m_declElementType)
|
|
#define declAttributeId (parser->m_declAttributeId)
|
|
#define declAttributeIsCdata (parser->m_declAttributeIsCdata)
|
|
#define declAttributeIsId (parser->m_declAttributeIsId)
|
|
#define freeTagList (parser->m_freeTagList)
|
|
#define freeBindingList (parser->m_freeBindingList)
|
|
#define inheritedBindings (parser->m_inheritedBindings)
|
|
#define tagStack (parser->m_tagStack)
|
|
#define atts (parser->m_atts)
|
|
#define attsSize (parser->m_attsSize)
|
|
#define nSpecifiedAtts (parser->m_nSpecifiedAtts)
|
|
#define idAttIndex (parser->m_idAttIndex)
|
|
#define nsAtts (parser->m_nsAtts)
|
|
#define nsAttsVersion (parser->m_nsAttsVersion)
|
|
#define nsAttsPower (parser->m_nsAttsPower)
|
|
#define attInfo (parser->m_attInfo)
|
|
#define tempPool (parser->m_tempPool)
|
|
#define temp2Pool (parser->m_temp2Pool)
|
|
#define groupConnector (parser->m_groupConnector)
|
|
#define groupSize (parser->m_groupSize)
|
|
#define namespaceSeparator (parser->m_namespaceSeparator)
|
|
#define parentParser (parser->m_parentParser)
|
|
#define ps_parsing (parser->m_parsingStatus.parsing)
|
|
#define ps_finalBuffer (parser->m_parsingStatus.finalBuffer)
|
|
#ifdef XML_DTD
|
|
#define isParamEntity (parser->m_isParamEntity)
|
|
#define useForeignDTD (parser->m_useForeignDTD)
|
|
#define paramEntityParsing (parser->m_paramEntityParsing)
|
|
#endif /* XML_DTD */
|
|
#define hash_secret_salt (parser->m_hash_secret_salt)
|
|
|
|
XML_Parser XMLCALL
|
|
XML_ParserCreate(const XML_Char *encodingName)
|
|
{
|
|
return XML_ParserCreate_MM(encodingName, NULL, NULL);
|
|
}
|
|
|
|
XML_Parser XMLCALL
|
|
XML_ParserCreateNS(const XML_Char *encodingName, XML_Char nsSep)
|
|
{
|
|
XML_Char tmp[2];
|
|
*tmp = nsSep;
|
|
return XML_ParserCreate_MM(encodingName, NULL, tmp);
|
|
}
|
|
|
|
static const XML_Char implicitContext[] = {
|
|
ASCII_x, ASCII_m, ASCII_l, ASCII_EQUALS, ASCII_h, ASCII_t, ASCII_t, ASCII_p,
|
|
ASCII_COLON, ASCII_SLASH, ASCII_SLASH, ASCII_w, ASCII_w, ASCII_w,
|
|
ASCII_PERIOD, ASCII_w, ASCII_3, ASCII_PERIOD, ASCII_o, ASCII_r, ASCII_g,
|
|
ASCII_SLASH, ASCII_X, ASCII_M, ASCII_L, ASCII_SLASH, ASCII_1, ASCII_9,
|
|
ASCII_9, ASCII_8, ASCII_SLASH, ASCII_n, ASCII_a, ASCII_m, ASCII_e,
|
|
ASCII_s, ASCII_p, ASCII_a, ASCII_c, ASCII_e, '\0'
|
|
};
|
|
|
|
|
|
#if defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM)
|
|
# include <errno.h>
|
|
|
|
# if defined(HAVE_GETRANDOM)
|
|
# include <sys/random.h> /* getrandom */
|
|
# else
|
|
# include <unistd.h> /* syscall */
|
|
# include <sys/syscall.h> /* SYS_getrandom */
|
|
# endif
|
|
|
|
/* Obtain entropy on Linux 3.17+ */
|
|
static int
|
|
writeRandomBytes_getrandom(void * target, size_t count) {
|
|
int success = 0; /* full count bytes written? */
|
|
size_t bytesWrittenTotal = 0;
|
|
const unsigned int getrandomFlags = 0;
|
|
|
|
do {
|
|
void * const currentTarget = (void*)((char*)target + bytesWrittenTotal);
|
|
const size_t bytesToWrite = count - bytesWrittenTotal;
|
|
|
|
const int bytesWrittenMore =
|
|
#if defined(HAVE_GETRANDOM)
|
|
getrandom(currentTarget, bytesToWrite, getrandomFlags);
|
|
#else
|
|
syscall(SYS_getrandom, currentTarget, bytesToWrite, getrandomFlags);
|
|
#endif
|
|
|
|
if (bytesWrittenMore > 0) {
|
|
bytesWrittenTotal += bytesWrittenMore;
|
|
if (bytesWrittenTotal >= count)
|
|
success = 1;
|
|
}
|
|
} while (! success && (errno == EINTR || errno == EAGAIN));
|
|
|
|
return success;
|
|
}
|
|
|
|
#endif /* defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM) */
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
typedef BOOLEAN (APIENTRY *RTLGENRANDOM_FUNC)(PVOID, ULONG);
|
|
|
|
/* Obtain entropy on Windows XP / Windows Server 2003 and later.
|
|
* Hint on RtlGenRandom and the following article from libsodioum.
|
|
*
|
|
* Michael Howard: Cryptographically Secure Random number on Windows without using CryptoAPI
|
|
* https://blogs.msdn.microsoft.com/michael_howard/2005/01/14/cryptographically-secure-random-number-on-windows-without-using-cryptoapi/
|
|
*/
|
|
static int
|
|
writeRandomBytes_RtlGenRandom(void * target, size_t count) {
|
|
int success = 0; /* full count bytes written? */
|
|
const HMODULE advapi32 = LoadLibrary("ADVAPI32.DLL");
|
|
|
|
if (advapi32) {
|
|
const RTLGENRANDOM_FUNC RtlGenRandom
|
|
= (RTLGENRANDOM_FUNC)GetProcAddress(advapi32, "SystemFunction036");
|
|
if (RtlGenRandom) {
|
|
if (RtlGenRandom((PVOID)target, (ULONG)count) == TRUE) {
|
|
success = 1;
|
|
}
|
|
}
|
|
FreeLibrary(advapi32);
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
#endif /* _WIN32 */
|
|
|
|
|
|
static unsigned long
|
|
gather_time_entropy(void)
|
|
{
|
|
#ifdef _WIN32
|
|
FILETIME ft;
|
|
GetSystemTimeAsFileTime(&ft); /* never fails */
|
|
return ft.dwHighDateTime ^ ft.dwLowDateTime;
|
|
#else
|
|
struct timeval tv;
|
|
int gettimeofday_res;
|
|
|
|
gettimeofday_res = gettimeofday(&tv, NULL);
|
|
assert (gettimeofday_res == 0);
|
|
|
|
/* Microseconds time is <20 bits entropy */
|
|
return tv.tv_usec;
|
|
#endif
|
|
}
|
|
|
|
#if defined(HAVE_ARC4RANDOM_BUF) && defined(HAVE_LIBBSD)
|
|
# include <bsd/stdlib.h>
|
|
#endif
|
|
|
|
static unsigned long
|
|
ENTROPY_DEBUG(const char * label, unsigned long entropy) {
|
|
const char * const EXPAT_ENTROPY_DEBUG = getenv("EXPAT_ENTROPY_DEBUG");
|
|
if (EXPAT_ENTROPY_DEBUG && ! strcmp(EXPAT_ENTROPY_DEBUG, "1")) {
|
|
fprintf(stderr, "Entropy: %s --> 0x%0*lx (%lu bytes)\n",
|
|
label,
|
|
(int)sizeof(entropy) * 2, entropy,
|
|
(unsigned long)sizeof(entropy));
|
|
}
|
|
return entropy;
|
|
}
|
|
|
|
static unsigned long
|
|
generate_hash_secret_salt(XML_Parser parser)
|
|
{
|
|
unsigned long entropy;
|
|
(void)parser;
|
|
#if defined(HAVE_ARC4RANDOM_BUF) || defined(__CloudABI__)
|
|
(void)gather_time_entropy;
|
|
arc4random_buf(&entropy, sizeof(entropy));
|
|
return ENTROPY_DEBUG("arc4random_buf", entropy);
|
|
#else
|
|
/* Try high quality providers first .. */
|
|
#ifdef _WIN32
|
|
if (writeRandomBytes_RtlGenRandom((void *)&entropy, sizeof(entropy))) {
|
|
return ENTROPY_DEBUG("RtlGenRandom", entropy);
|
|
}
|
|
#elif defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM)
|
|
if (writeRandomBytes_getrandom((void *)&entropy, sizeof(entropy))) {
|
|
return ENTROPY_DEBUG("getrandom", entropy);
|
|
}
|
|
#endif
|
|
/* .. and self-made low quality for backup: */
|
|
|
|
/* Process ID is 0 bits entropy if attacker has local access */
|
|
entropy = gather_time_entropy() ^ getpid();
|
|
|
|
/* Factors are 2^31-1 and 2^61-1 (Mersenne primes M31 and M61) */
|
|
if (sizeof(unsigned long) == 4) {
|
|
return ENTROPY_DEBUG("fallback(4)", entropy * 2147483647);
|
|
} else {
|
|
return ENTROPY_DEBUG("fallback(8)",
|
|
entropy * (unsigned long)2305843009213693951);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static unsigned long
|
|
get_hash_secret_salt(XML_Parser parser) {
|
|
if (parser->m_parentParser != NULL)
|
|
return get_hash_secret_salt(parser->m_parentParser);
|
|
return parser->m_hash_secret_salt;
|
|
}
|
|
|
|
static XML_Bool /* only valid for root parser */
|
|
startParsing(XML_Parser parser)
|
|
{
|
|
/* hash functions must be initialized before setContext() is called */
|
|
if (hash_secret_salt == 0)
|
|
hash_secret_salt = generate_hash_secret_salt(parser);
|
|
if (ns) {
|
|
/* implicit context only set for root parser, since child
|
|
parsers (i.e. external entity parsers) will inherit it
|
|
*/
|
|
return setContext(parser, implicitContext);
|
|
}
|
|
return XML_TRUE;
|
|
}
|
|
|
|
XML_Parser XMLCALL
|
|
XML_ParserCreate_MM(const XML_Char *encodingName,
|
|
const XML_Memory_Handling_Suite *memsuite,
|
|
const XML_Char *nameSep)
|
|
{
|
|
return parserCreate(encodingName, memsuite, nameSep, NULL);
|
|
}
|
|
|
|
static XML_Parser
|
|
parserCreate(const XML_Char *encodingName,
|
|
const XML_Memory_Handling_Suite *memsuite,
|
|
const XML_Char *nameSep,
|
|
DTD *dtd)
|
|
{
|
|
XML_Parser parser;
|
|
|
|
if (memsuite) {
|
|
XML_Memory_Handling_Suite *mtemp;
|
|
parser = (XML_Parser)
|
|
memsuite->malloc_fcn(sizeof(struct XML_ParserStruct));
|
|
if (parser != NULL) {
|
|
mtemp = (XML_Memory_Handling_Suite *)&(parser->m_mem);
|
|
mtemp->malloc_fcn = memsuite->malloc_fcn;
|
|
mtemp->realloc_fcn = memsuite->realloc_fcn;
|
|
mtemp->free_fcn = memsuite->free_fcn;
|
|
}
|
|
}
|
|
else {
|
|
XML_Memory_Handling_Suite *mtemp;
|
|
parser = (XML_Parser)malloc(sizeof(struct XML_ParserStruct));
|
|
if (parser != NULL) {
|
|
mtemp = (XML_Memory_Handling_Suite *)&(parser->m_mem);
|
|
mtemp->malloc_fcn = malloc;
|
|
mtemp->realloc_fcn = realloc;
|
|
mtemp->free_fcn = free;
|
|
}
|
|
}
|
|
|
|
if (!parser)
|
|
return parser;
|
|
|
|
buffer = NULL;
|
|
bufferLim = NULL;
|
|
|
|
attsSize = INIT_ATTS_SIZE;
|
|
atts = (ATTRIBUTE *)MALLOC(attsSize * sizeof(ATTRIBUTE));
|
|
if (atts == NULL) {
|
|
FREE(parser);
|
|
return NULL;
|
|
}
|
|
#ifdef XML_ATTR_INFO
|
|
attInfo = (XML_AttrInfo*)MALLOC(attsSize * sizeof(XML_AttrInfo));
|
|
if (attInfo == NULL) {
|
|
FREE(atts);
|
|
FREE(parser);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
dataBuf = (XML_Char *)MALLOC(INIT_DATA_BUF_SIZE * sizeof(XML_Char));
|
|
if (dataBuf == NULL) {
|
|
FREE(atts);
|
|
#ifdef XML_ATTR_INFO
|
|
FREE(attInfo);
|
|
#endif
|
|
FREE(parser);
|
|
return NULL;
|
|
}
|
|
dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE;
|
|
|
|
if (dtd)
|
|
_dtd = dtd;
|
|
else {
|
|
_dtd = dtdCreate(&parser->m_mem);
|
|
if (_dtd == NULL) {
|
|
FREE(dataBuf);
|
|
FREE(atts);
|
|
#ifdef XML_ATTR_INFO
|
|
FREE(attInfo);
|
|
#endif
|
|
FREE(parser);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
freeBindingList = NULL;
|
|
freeTagList = NULL;
|
|
freeInternalEntities = NULL;
|
|
|
|
groupSize = 0;
|
|
groupConnector = NULL;
|
|
|
|
unknownEncodingHandler = NULL;
|
|
unknownEncodingHandlerData = NULL;
|
|
|
|
namespaceSeparator = ASCII_EXCL;
|
|
ns = XML_FALSE;
|
|
ns_triplets = XML_FALSE;
|
|
|
|
nsAtts = NULL;
|
|
nsAttsVersion = 0;
|
|
nsAttsPower = 0;
|
|
|
|
poolInit(&tempPool, &(parser->m_mem));
|
|
poolInit(&temp2Pool, &(parser->m_mem));
|
|
parserInit(parser, encodingName);
|
|
|
|
if (encodingName && !protocolEncodingName) {
|
|
XML_ParserFree(parser);
|
|
return NULL;
|
|
}
|
|
|
|
if (nameSep) {
|
|
ns = XML_TRUE;
|
|
internalEncoding = XmlGetInternalEncodingNS();
|
|
namespaceSeparator = *nameSep;
|
|
}
|
|
else {
|
|
internalEncoding = XmlGetInternalEncoding();
|
|
}
|
|
|
|
return parser;
|
|
}
|
|
|
|
static void
|
|
parserInit(XML_Parser parser, const XML_Char *encodingName)
|
|
{
|
|
processor = prologInitProcessor;
|
|
XmlPrologStateInit(&prologState);
|
|
protocolEncodingName = (encodingName != NULL
|
|
? poolCopyString(&tempPool, encodingName)
|
|
: NULL);
|
|
curBase = NULL;
|
|
XmlInitEncoding(&initEncoding, &encoding, 0);
|
|
userData = NULL;
|
|
handlerArg = NULL;
|
|
startElementHandler = NULL;
|
|
endElementHandler = NULL;
|
|
characterDataHandler = NULL;
|
|
processingInstructionHandler = NULL;
|
|
commentHandler = NULL;
|
|
startCdataSectionHandler = NULL;
|
|
endCdataSectionHandler = NULL;
|
|
defaultHandler = NULL;
|
|
startDoctypeDeclHandler = NULL;
|
|
endDoctypeDeclHandler = NULL;
|
|
unparsedEntityDeclHandler = NULL;
|
|
notationDeclHandler = NULL;
|
|
startNamespaceDeclHandler = NULL;
|
|
endNamespaceDeclHandler = NULL;
|
|
notStandaloneHandler = NULL;
|
|
externalEntityRefHandler = NULL;
|
|
externalEntityRefHandlerArg = parser;
|
|
skippedEntityHandler = NULL;
|
|
elementDeclHandler = NULL;
|
|
attlistDeclHandler = NULL;
|
|
entityDeclHandler = NULL;
|
|
xmlDeclHandler = NULL;
|
|
bufferPtr = buffer;
|
|
bufferEnd = buffer;
|
|
parseEndByteIndex = 0;
|
|
parseEndPtr = NULL;
|
|
declElementType = NULL;
|
|
declAttributeId = NULL;
|
|
declEntity = NULL;
|
|
doctypeName = NULL;
|
|
doctypeSysid = NULL;
|
|
doctypePubid = NULL;
|
|
declAttributeType = NULL;
|
|
declNotationName = NULL;
|
|
declNotationPublicId = NULL;
|
|
declAttributeIsCdata = XML_FALSE;
|
|
declAttributeIsId = XML_FALSE;
|
|
memset(&position, 0, sizeof(POSITION));
|
|
errorCode = XML_ERROR_NONE;
|
|
eventPtr = NULL;
|
|
eventEndPtr = NULL;
|
|
positionPtr = NULL;
|
|
openInternalEntities = NULL;
|
|
defaultExpandInternalEntities = XML_TRUE;
|
|
tagLevel = 0;
|
|
tagStack = NULL;
|
|
inheritedBindings = NULL;
|
|
nSpecifiedAtts = 0;
|
|
unknownEncodingMem = NULL;
|
|
unknownEncodingRelease = NULL;
|
|
unknownEncodingData = NULL;
|
|
parentParser = NULL;
|
|
ps_parsing = XML_INITIALIZED;
|
|
#ifdef XML_DTD
|
|
isParamEntity = XML_FALSE;
|
|
useForeignDTD = XML_FALSE;
|
|
paramEntityParsing = XML_PARAM_ENTITY_PARSING_NEVER;
|
|
#endif
|
|
hash_secret_salt = 0;
|
|
}
|
|
|
|
/* moves list of bindings to freeBindingList */
|
|
static void FASTCALL
|
|
moveToFreeBindingList(XML_Parser parser, BINDING *bindings)
|
|
{
|
|
while (bindings) {
|
|
BINDING *b = bindings;
|
|
bindings = bindings->nextTagBinding;
|
|
b->nextTagBinding = freeBindingList;
|
|
freeBindingList = b;
|
|
}
|
|
}
|
|
|
|
XML_Bool XMLCALL
|
|
XML_ParserReset(XML_Parser parser, const XML_Char *encodingName)
|
|
{
|
|
TAG *tStk;
|
|
OPEN_INTERNAL_ENTITY *openEntityList;
|
|
|
|
if (parser == NULL)
|
|
return XML_FALSE;
|
|
|
|
if (parentParser)
|
|
return XML_FALSE;
|
|
/* move tagStack to freeTagList */
|
|
tStk = tagStack;
|
|
while (tStk) {
|
|
TAG *tag = tStk;
|
|
tStk = tStk->parent;
|
|
tag->parent = freeTagList;
|
|
moveToFreeBindingList(parser, tag->bindings);
|
|
tag->bindings = NULL;
|
|
freeTagList = tag;
|
|
}
|
|
/* move openInternalEntities to freeInternalEntities */
|
|
openEntityList = openInternalEntities;
|
|
while (openEntityList) {
|
|
OPEN_INTERNAL_ENTITY *openEntity = openEntityList;
|
|
openEntityList = openEntity->next;
|
|
openEntity->next = freeInternalEntities;
|
|
freeInternalEntities = openEntity;
|
|
}
|
|
moveToFreeBindingList(parser, inheritedBindings);
|
|
FREE(unknownEncodingMem);
|
|
if (unknownEncodingRelease)
|
|
unknownEncodingRelease(unknownEncodingData);
|
|
poolClear(&tempPool);
|
|
poolClear(&temp2Pool);
|
|
parserInit(parser, encodingName);
|
|
dtdReset(_dtd, &parser->m_mem);
|
|
return XML_TRUE;
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_SetEncoding(XML_Parser parser, const XML_Char *encodingName)
|
|
{
|
|
if (parser == NULL)
|
|
return XML_STATUS_ERROR;
|
|
/* Block after XML_Parse()/XML_ParseBuffer() has been called.
|
|
XXX There's no way for the caller to determine which of the
|
|
XXX possible error cases caused the XML_STATUS_ERROR return.
|
|
*/
|
|
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
|
|
return XML_STATUS_ERROR;
|
|
if (encodingName == NULL)
|
|
protocolEncodingName = NULL;
|
|
else {
|
|
protocolEncodingName = poolCopyString(&tempPool, encodingName);
|
|
if (!protocolEncodingName)
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
return XML_STATUS_OK;
|
|
}
|
|
|
|
XML_Parser XMLCALL
|
|
XML_ExternalEntityParserCreate(XML_Parser oldParser,
|
|
const XML_Char *context,
|
|
const XML_Char *encodingName)
|
|
{
|
|
XML_Parser parser = oldParser;
|
|
DTD *newDtd = NULL;
|
|
DTD *oldDtd;
|
|
XML_StartElementHandler oldStartElementHandler;
|
|
XML_EndElementHandler oldEndElementHandler;
|
|
XML_CharacterDataHandler oldCharacterDataHandler;
|
|
XML_ProcessingInstructionHandler oldProcessingInstructionHandler;
|
|
XML_CommentHandler oldCommentHandler;
|
|
XML_StartCdataSectionHandler oldStartCdataSectionHandler;
|
|
XML_EndCdataSectionHandler oldEndCdataSectionHandler;
|
|
XML_DefaultHandler oldDefaultHandler;
|
|
XML_UnparsedEntityDeclHandler oldUnparsedEntityDeclHandler;
|
|
XML_NotationDeclHandler oldNotationDeclHandler;
|
|
XML_StartNamespaceDeclHandler oldStartNamespaceDeclHandler;
|
|
XML_EndNamespaceDeclHandler oldEndNamespaceDeclHandler;
|
|
XML_NotStandaloneHandler oldNotStandaloneHandler;
|
|
XML_ExternalEntityRefHandler oldExternalEntityRefHandler;
|
|
XML_SkippedEntityHandler oldSkippedEntityHandler;
|
|
XML_UnknownEncodingHandler oldUnknownEncodingHandler;
|
|
XML_ElementDeclHandler oldElementDeclHandler;
|
|
XML_AttlistDeclHandler oldAttlistDeclHandler;
|
|
XML_EntityDeclHandler oldEntityDeclHandler;
|
|
XML_XmlDeclHandler oldXmlDeclHandler;
|
|
ELEMENT_TYPE * oldDeclElementType;
|
|
|
|
void *oldUserData;
|
|
void *oldHandlerArg;
|
|
XML_Bool oldDefaultExpandInternalEntities;
|
|
XML_Parser oldExternalEntityRefHandlerArg;
|
|
#ifdef XML_DTD
|
|
enum XML_ParamEntityParsing oldParamEntityParsing;
|
|
int oldInEntityValue;
|
|
#endif
|
|
XML_Bool oldns_triplets;
|
|
/* Note that the new parser shares the same hash secret as the old
|
|
parser, so that dtdCopy and copyEntityTable can lookup values
|
|
from hash tables associated with either parser without us having
|
|
to worry which hash secrets each table has.
|
|
*/
|
|
unsigned long oldhash_secret_salt;
|
|
|
|
/* Validate the oldParser parameter before we pull everything out of it */
|
|
if (oldParser == NULL)
|
|
return NULL;
|
|
|
|
/* Stash the original parser contents on the stack */
|
|
oldDtd = _dtd;
|
|
oldStartElementHandler = startElementHandler;
|
|
oldEndElementHandler = endElementHandler;
|
|
oldCharacterDataHandler = characterDataHandler;
|
|
oldProcessingInstructionHandler = processingInstructionHandler;
|
|
oldCommentHandler = commentHandler;
|
|
oldStartCdataSectionHandler = startCdataSectionHandler;
|
|
oldEndCdataSectionHandler = endCdataSectionHandler;
|
|
oldDefaultHandler = defaultHandler;
|
|
oldUnparsedEntityDeclHandler = unparsedEntityDeclHandler;
|
|
oldNotationDeclHandler = notationDeclHandler;
|
|
oldStartNamespaceDeclHandler = startNamespaceDeclHandler;
|
|
oldEndNamespaceDeclHandler = endNamespaceDeclHandler;
|
|
oldNotStandaloneHandler = notStandaloneHandler;
|
|
oldExternalEntityRefHandler = externalEntityRefHandler;
|
|
oldSkippedEntityHandler = skippedEntityHandler;
|
|
oldUnknownEncodingHandler = unknownEncodingHandler;
|
|
oldElementDeclHandler = elementDeclHandler;
|
|
oldAttlistDeclHandler = attlistDeclHandler;
|
|
oldEntityDeclHandler = entityDeclHandler;
|
|
oldXmlDeclHandler = xmlDeclHandler;
|
|
oldDeclElementType = declElementType;
|
|
|
|
oldUserData = userData;
|
|
oldHandlerArg = handlerArg;
|
|
oldDefaultExpandInternalEntities = defaultExpandInternalEntities;
|
|
oldExternalEntityRefHandlerArg = externalEntityRefHandlerArg;
|
|
#ifdef XML_DTD
|
|
oldParamEntityParsing = paramEntityParsing;
|
|
oldInEntityValue = prologState.inEntityValue;
|
|
#endif
|
|
oldns_triplets = ns_triplets;
|
|
/* Note that the new parser shares the same hash secret as the old
|
|
parser, so that dtdCopy and copyEntityTable can lookup values
|
|
from hash tables associated with either parser without us having
|
|
to worry which hash secrets each table has.
|
|
*/
|
|
oldhash_secret_salt = hash_secret_salt;
|
|
|
|
#ifdef XML_DTD
|
|
if (!context)
|
|
newDtd = oldDtd;
|
|
#endif /* XML_DTD */
|
|
|
|
/* Note that the magical uses of the pre-processor to make field
|
|
access look more like C++ require that `parser' be overwritten
|
|
here. This makes this function more painful to follow than it
|
|
would be otherwise.
|
|
*/
|
|
if (ns) {
|
|
XML_Char tmp[2];
|
|
*tmp = namespaceSeparator;
|
|
parser = parserCreate(encodingName, &parser->m_mem, tmp, newDtd);
|
|
}
|
|
else {
|
|
parser = parserCreate(encodingName, &parser->m_mem, NULL, newDtd);
|
|
}
|
|
|
|
if (!parser)
|
|
return NULL;
|
|
|
|
startElementHandler = oldStartElementHandler;
|
|
endElementHandler = oldEndElementHandler;
|
|
characterDataHandler = oldCharacterDataHandler;
|
|
processingInstructionHandler = oldProcessingInstructionHandler;
|
|
commentHandler = oldCommentHandler;
|
|
startCdataSectionHandler = oldStartCdataSectionHandler;
|
|
endCdataSectionHandler = oldEndCdataSectionHandler;
|
|
defaultHandler = oldDefaultHandler;
|
|
unparsedEntityDeclHandler = oldUnparsedEntityDeclHandler;
|
|
notationDeclHandler = oldNotationDeclHandler;
|
|
startNamespaceDeclHandler = oldStartNamespaceDeclHandler;
|
|
endNamespaceDeclHandler = oldEndNamespaceDeclHandler;
|
|
notStandaloneHandler = oldNotStandaloneHandler;
|
|
externalEntityRefHandler = oldExternalEntityRefHandler;
|
|
skippedEntityHandler = oldSkippedEntityHandler;
|
|
unknownEncodingHandler = oldUnknownEncodingHandler;
|
|
elementDeclHandler = oldElementDeclHandler;
|
|
attlistDeclHandler = oldAttlistDeclHandler;
|
|
entityDeclHandler = oldEntityDeclHandler;
|
|
xmlDeclHandler = oldXmlDeclHandler;
|
|
declElementType = oldDeclElementType;
|
|
userData = oldUserData;
|
|
if (oldUserData == oldHandlerArg)
|
|
handlerArg = userData;
|
|
else
|
|
handlerArg = parser;
|
|
if (oldExternalEntityRefHandlerArg != oldParser)
|
|
externalEntityRefHandlerArg = oldExternalEntityRefHandlerArg;
|
|
defaultExpandInternalEntities = oldDefaultExpandInternalEntities;
|
|
ns_triplets = oldns_triplets;
|
|
hash_secret_salt = oldhash_secret_salt;
|
|
parentParser = oldParser;
|
|
#ifdef XML_DTD
|
|
paramEntityParsing = oldParamEntityParsing;
|
|
prologState.inEntityValue = oldInEntityValue;
|
|
if (context) {
|
|
#endif /* XML_DTD */
|
|
if (!dtdCopy(oldParser, _dtd, oldDtd, &parser->m_mem)
|
|
|| !setContext(parser, context)) {
|
|
XML_ParserFree(parser);
|
|
return NULL;
|
|
}
|
|
processor = externalEntityInitProcessor;
|
|
#ifdef XML_DTD
|
|
}
|
|
else {
|
|
/* The DTD instance referenced by _dtd is shared between the document's
|
|
root parser and external PE parsers, therefore one does not need to
|
|
call setContext. In addition, one also *must* not call setContext,
|
|
because this would overwrite existing prefix->binding pointers in
|
|
_dtd with ones that get destroyed with the external PE parser.
|
|
This would leave those prefixes with dangling pointers.
|
|
*/
|
|
isParamEntity = XML_TRUE;
|
|
XmlPrologStateInitExternalEntity(&prologState);
|
|
processor = externalParEntInitProcessor;
|
|
}
|
|
#endif /* XML_DTD */
|
|
return parser;
|
|
}
|
|
|
|
static void FASTCALL
|
|
destroyBindings(BINDING *bindings, XML_Parser parser)
|
|
{
|
|
for (;;) {
|
|
BINDING *b = bindings;
|
|
if (!b)
|
|
break;
|
|
bindings = b->nextTagBinding;
|
|
FREE(b->uri);
|
|
FREE(b);
|
|
}
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_ParserFree(XML_Parser parser)
|
|
{
|
|
TAG *tagList;
|
|
OPEN_INTERNAL_ENTITY *entityList;
|
|
if (parser == NULL)
|
|
return;
|
|
/* free tagStack and freeTagList */
|
|
tagList = tagStack;
|
|
for (;;) {
|
|
TAG *p;
|
|
if (tagList == NULL) {
|
|
if (freeTagList == NULL)
|
|
break;
|
|
tagList = freeTagList;
|
|
freeTagList = NULL;
|
|
}
|
|
p = tagList;
|
|
tagList = tagList->parent;
|
|
FREE(p->buf);
|
|
destroyBindings(p->bindings, parser);
|
|
FREE(p);
|
|
}
|
|
/* free openInternalEntities and freeInternalEntities */
|
|
entityList = openInternalEntities;
|
|
for (;;) {
|
|
OPEN_INTERNAL_ENTITY *openEntity;
|
|
if (entityList == NULL) {
|
|
if (freeInternalEntities == NULL)
|
|
break;
|
|
entityList = freeInternalEntities;
|
|
freeInternalEntities = NULL;
|
|
}
|
|
openEntity = entityList;
|
|
entityList = entityList->next;
|
|
FREE(openEntity);
|
|
}
|
|
|
|
destroyBindings(freeBindingList, parser);
|
|
destroyBindings(inheritedBindings, parser);
|
|
poolDestroy(&tempPool);
|
|
poolDestroy(&temp2Pool);
|
|
#ifdef XML_DTD
|
|
/* external parameter entity parsers share the DTD structure
|
|
parser->m_dtd with the root parser, so we must not destroy it
|
|
*/
|
|
if (!isParamEntity && _dtd)
|
|
#else
|
|
if (_dtd)
|
|
#endif /* XML_DTD */
|
|
dtdDestroy(_dtd, (XML_Bool)!parentParser, &parser->m_mem);
|
|
FREE((void *)atts);
|
|
#ifdef XML_ATTR_INFO
|
|
FREE((void *)attInfo);
|
|
#endif
|
|
FREE(groupConnector);
|
|
FREE(buffer);
|
|
FREE(dataBuf);
|
|
FREE(nsAtts);
|
|
FREE(unknownEncodingMem);
|
|
if (unknownEncodingRelease)
|
|
unknownEncodingRelease(unknownEncodingData);
|
|
FREE(parser);
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_UseParserAsHandlerArg(XML_Parser parser)
|
|
{
|
|
if (parser != NULL)
|
|
handlerArg = parser;
|
|
}
|
|
|
|
enum XML_Error XMLCALL
|
|
XML_UseForeignDTD(XML_Parser parser, XML_Bool useDTD)
|
|
{
|
|
if (parser == NULL)
|
|
return XML_ERROR_INVALID_ARGUMENT;
|
|
#ifdef XML_DTD
|
|
/* block after XML_Parse()/XML_ParseBuffer() has been called */
|
|
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
|
|
return XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING;
|
|
useForeignDTD = useDTD;
|
|
return XML_ERROR_NONE;
|
|
#else
|
|
return XML_ERROR_FEATURE_REQUIRES_XML_DTD;
|
|
#endif
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetReturnNSTriplet(XML_Parser parser, int do_nst)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
/* block after XML_Parse()/XML_ParseBuffer() has been called */
|
|
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
|
|
return;
|
|
ns_triplets = do_nst ? XML_TRUE : XML_FALSE;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetUserData(XML_Parser parser, void *p)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
if (handlerArg == userData)
|
|
handlerArg = userData = p;
|
|
else
|
|
userData = p;
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_SetBase(XML_Parser parser, const XML_Char *p)
|
|
{
|
|
if (parser == NULL)
|
|
return XML_STATUS_ERROR;
|
|
if (p) {
|
|
p = poolCopyString(&_dtd->pool, p);
|
|
if (!p)
|
|
return XML_STATUS_ERROR;
|
|
curBase = p;
|
|
}
|
|
else
|
|
curBase = NULL;
|
|
return XML_STATUS_OK;
|
|
}
|
|
|
|
const XML_Char * XMLCALL
|
|
XML_GetBase(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return NULL;
|
|
return curBase;
|
|
}
|
|
|
|
int XMLCALL
|
|
XML_GetSpecifiedAttributeCount(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return -1;
|
|
return nSpecifiedAtts;
|
|
}
|
|
|
|
int XMLCALL
|
|
XML_GetIdAttributeIndex(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return -1;
|
|
return idAttIndex;
|
|
}
|
|
|
|
#ifdef XML_ATTR_INFO
|
|
const XML_AttrInfo * XMLCALL
|
|
XML_GetAttributeInfo(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return NULL;
|
|
return attInfo;
|
|
}
|
|
#endif
|
|
|
|
void XMLCALL
|
|
XML_SetElementHandler(XML_Parser parser,
|
|
XML_StartElementHandler start,
|
|
XML_EndElementHandler end)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
startElementHandler = start;
|
|
endElementHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetStartElementHandler(XML_Parser parser,
|
|
XML_StartElementHandler start) {
|
|
if (parser != NULL)
|
|
startElementHandler = start;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetEndElementHandler(XML_Parser parser,
|
|
XML_EndElementHandler end) {
|
|
if (parser != NULL)
|
|
endElementHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetCharacterDataHandler(XML_Parser parser,
|
|
XML_CharacterDataHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
characterDataHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetProcessingInstructionHandler(XML_Parser parser,
|
|
XML_ProcessingInstructionHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
processingInstructionHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetCommentHandler(XML_Parser parser,
|
|
XML_CommentHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
commentHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetCdataSectionHandler(XML_Parser parser,
|
|
XML_StartCdataSectionHandler start,
|
|
XML_EndCdataSectionHandler end)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
startCdataSectionHandler = start;
|
|
endCdataSectionHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetStartCdataSectionHandler(XML_Parser parser,
|
|
XML_StartCdataSectionHandler start) {
|
|
if (parser != NULL)
|
|
startCdataSectionHandler = start;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetEndCdataSectionHandler(XML_Parser parser,
|
|
XML_EndCdataSectionHandler end) {
|
|
if (parser != NULL)
|
|
endCdataSectionHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetDefaultHandler(XML_Parser parser,
|
|
XML_DefaultHandler handler)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
defaultHandler = handler;
|
|
defaultExpandInternalEntities = XML_FALSE;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetDefaultHandlerExpand(XML_Parser parser,
|
|
XML_DefaultHandler handler)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
defaultHandler = handler;
|
|
defaultExpandInternalEntities = XML_TRUE;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetDoctypeDeclHandler(XML_Parser parser,
|
|
XML_StartDoctypeDeclHandler start,
|
|
XML_EndDoctypeDeclHandler end)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
startDoctypeDeclHandler = start;
|
|
endDoctypeDeclHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetStartDoctypeDeclHandler(XML_Parser parser,
|
|
XML_StartDoctypeDeclHandler start) {
|
|
if (parser != NULL)
|
|
startDoctypeDeclHandler = start;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetEndDoctypeDeclHandler(XML_Parser parser,
|
|
XML_EndDoctypeDeclHandler end) {
|
|
if (parser != NULL)
|
|
endDoctypeDeclHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetUnparsedEntityDeclHandler(XML_Parser parser,
|
|
XML_UnparsedEntityDeclHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
unparsedEntityDeclHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetNotationDeclHandler(XML_Parser parser,
|
|
XML_NotationDeclHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
notationDeclHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetNamespaceDeclHandler(XML_Parser parser,
|
|
XML_StartNamespaceDeclHandler start,
|
|
XML_EndNamespaceDeclHandler end)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
startNamespaceDeclHandler = start;
|
|
endNamespaceDeclHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetStartNamespaceDeclHandler(XML_Parser parser,
|
|
XML_StartNamespaceDeclHandler start) {
|
|
if (parser != NULL)
|
|
startNamespaceDeclHandler = start;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetEndNamespaceDeclHandler(XML_Parser parser,
|
|
XML_EndNamespaceDeclHandler end) {
|
|
if (parser != NULL)
|
|
endNamespaceDeclHandler = end;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetNotStandaloneHandler(XML_Parser parser,
|
|
XML_NotStandaloneHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
notStandaloneHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetExternalEntityRefHandler(XML_Parser parser,
|
|
XML_ExternalEntityRefHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
externalEntityRefHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetExternalEntityRefHandlerArg(XML_Parser parser, void *arg)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
if (arg)
|
|
externalEntityRefHandlerArg = (XML_Parser)arg;
|
|
else
|
|
externalEntityRefHandlerArg = parser;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetSkippedEntityHandler(XML_Parser parser,
|
|
XML_SkippedEntityHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
skippedEntityHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetUnknownEncodingHandler(XML_Parser parser,
|
|
XML_UnknownEncodingHandler handler,
|
|
void *data)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
unknownEncodingHandler = handler;
|
|
unknownEncodingHandlerData = data;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetElementDeclHandler(XML_Parser parser,
|
|
XML_ElementDeclHandler eldecl)
|
|
{
|
|
if (parser != NULL)
|
|
elementDeclHandler = eldecl;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetAttlistDeclHandler(XML_Parser parser,
|
|
XML_AttlistDeclHandler attdecl)
|
|
{
|
|
if (parser != NULL)
|
|
attlistDeclHandler = attdecl;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetEntityDeclHandler(XML_Parser parser,
|
|
XML_EntityDeclHandler handler)
|
|
{
|
|
if (parser != NULL)
|
|
entityDeclHandler = handler;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_SetXmlDeclHandler(XML_Parser parser,
|
|
XML_XmlDeclHandler handler) {
|
|
if (parser != NULL)
|
|
xmlDeclHandler = handler;
|
|
}
|
|
|
|
int XMLCALL
|
|
XML_SetParamEntityParsing(XML_Parser parser,
|
|
enum XML_ParamEntityParsing peParsing)
|
|
{
|
|
if (parser == NULL)
|
|
return 0;
|
|
/* block after XML_Parse()/XML_ParseBuffer() has been called */
|
|
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
|
|
return 0;
|
|
#ifdef XML_DTD
|
|
paramEntityParsing = peParsing;
|
|
return 1;
|
|
#else
|
|
return peParsing == XML_PARAM_ENTITY_PARSING_NEVER;
|
|
#endif
|
|
}
|
|
|
|
int XMLCALL
|
|
XML_SetHashSalt(XML_Parser parser,
|
|
unsigned long hash_salt)
|
|
{
|
|
if (parser == NULL)
|
|
return 0;
|
|
if (parser->m_parentParser)
|
|
return XML_SetHashSalt(parser->m_parentParser, hash_salt);
|
|
/* block after XML_Parse()/XML_ParseBuffer() has been called */
|
|
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
|
|
return 0;
|
|
hash_secret_salt = hash_salt;
|
|
return 1;
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
|
|
{
|
|
if ((parser == NULL) || (len < 0) || ((s == NULL) && (len != 0))) {
|
|
errorCode = XML_ERROR_INVALID_ARGUMENT;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
errorCode = XML_ERROR_SUSPENDED;
|
|
return XML_STATUS_ERROR;
|
|
case XML_FINISHED:
|
|
errorCode = XML_ERROR_FINISHED;
|
|
return XML_STATUS_ERROR;
|
|
case XML_INITIALIZED:
|
|
if (parentParser == NULL && !startParsing(parser)) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
default:
|
|
ps_parsing = XML_PARSING;
|
|
}
|
|
|
|
if (len == 0) {
|
|
ps_finalBuffer = (XML_Bool)isFinal;
|
|
if (!isFinal)
|
|
return XML_STATUS_OK;
|
|
positionPtr = bufferPtr;
|
|
parseEndPtr = bufferEnd;
|
|
|
|
/* If data are left over from last buffer, and we now know that these
|
|
data are the final chunk of input, then we have to check them again
|
|
to detect errors based on that fact.
|
|
*/
|
|
errorCode = processor(parser, bufferPtr, parseEndPtr, &bufferPtr);
|
|
|
|
if (errorCode == XML_ERROR_NONE) {
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position);
|
|
positionPtr = bufferPtr;
|
|
return XML_STATUS_SUSPENDED;
|
|
case XML_INITIALIZED:
|
|
case XML_PARSING:
|
|
ps_parsing = XML_FINISHED;
|
|
/* fall through */
|
|
default:
|
|
return XML_STATUS_OK;
|
|
}
|
|
}
|
|
eventEndPtr = eventPtr;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
#ifndef XML_CONTEXT_BYTES
|
|
else if (bufferPtr == bufferEnd) {
|
|
const char *end;
|
|
int nLeftOver;
|
|
enum XML_Status result;
|
|
/* Detect overflow (a+b > MAX <==> b > MAX-a) */
|
|
if (len > ((XML_Size)-1) / 2 - parseEndByteIndex) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
eventPtr = eventEndPtr = NULL;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
parseEndByteIndex += len;
|
|
positionPtr = s;
|
|
ps_finalBuffer = (XML_Bool)isFinal;
|
|
|
|
errorCode = processor(parser, s, parseEndPtr = s + len, &end);
|
|
|
|
if (errorCode != XML_ERROR_NONE) {
|
|
eventEndPtr = eventPtr;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
else {
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
result = XML_STATUS_SUSPENDED;
|
|
break;
|
|
case XML_INITIALIZED:
|
|
case XML_PARSING:
|
|
if (isFinal) {
|
|
ps_parsing = XML_FINISHED;
|
|
return XML_STATUS_OK;
|
|
}
|
|
/* fall through */
|
|
default:
|
|
result = XML_STATUS_OK;
|
|
}
|
|
}
|
|
|
|
XmlUpdatePosition(encoding, positionPtr, end, &position);
|
|
nLeftOver = s + len - end;
|
|
if (nLeftOver) {
|
|
if (buffer == NULL || nLeftOver > bufferLim - buffer) {
|
|
/* avoid _signed_ integer overflow */
|
|
char *temp = NULL;
|
|
const int bytesToAllocate = (int)((unsigned)len * 2U);
|
|
if (bytesToAllocate > 0) {
|
|
temp = (buffer == NULL
|
|
? (char *)MALLOC(bytesToAllocate)
|
|
: (char *)REALLOC(buffer, bytesToAllocate));
|
|
}
|
|
if (temp == NULL) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
eventPtr = eventEndPtr = NULL;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
buffer = temp;
|
|
bufferLim = buffer + bytesToAllocate;
|
|
}
|
|
memcpy(buffer, end, nLeftOver);
|
|
}
|
|
bufferPtr = buffer;
|
|
bufferEnd = buffer + nLeftOver;
|
|
positionPtr = bufferPtr;
|
|
parseEndPtr = bufferEnd;
|
|
eventPtr = bufferPtr;
|
|
eventEndPtr = bufferPtr;
|
|
return result;
|
|
}
|
|
#endif /* not defined XML_CONTEXT_BYTES */
|
|
else {
|
|
void *buff = XML_GetBuffer(parser, len);
|
|
if (buff == NULL)
|
|
return XML_STATUS_ERROR;
|
|
else {
|
|
memcpy(buff, s, len);
|
|
return XML_ParseBuffer(parser, len, isFinal);
|
|
}
|
|
}
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
|
|
{
|
|
const char *start;
|
|
enum XML_Status result = XML_STATUS_OK;
|
|
|
|
if (parser == NULL)
|
|
return XML_STATUS_ERROR;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
errorCode = XML_ERROR_SUSPENDED;
|
|
return XML_STATUS_ERROR;
|
|
case XML_FINISHED:
|
|
errorCode = XML_ERROR_FINISHED;
|
|
return XML_STATUS_ERROR;
|
|
case XML_INITIALIZED:
|
|
if (parentParser == NULL && !startParsing(parser)) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
default:
|
|
ps_parsing = XML_PARSING;
|
|
}
|
|
|
|
start = bufferPtr;
|
|
positionPtr = start;
|
|
bufferEnd += len;
|
|
parseEndPtr = bufferEnd;
|
|
parseEndByteIndex += len;
|
|
ps_finalBuffer = (XML_Bool)isFinal;
|
|
|
|
errorCode = processor(parser, start, parseEndPtr, &bufferPtr);
|
|
|
|
if (errorCode != XML_ERROR_NONE) {
|
|
eventEndPtr = eventPtr;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
else {
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
result = XML_STATUS_SUSPENDED;
|
|
break;
|
|
case XML_INITIALIZED:
|
|
case XML_PARSING:
|
|
if (isFinal) {
|
|
ps_parsing = XML_FINISHED;
|
|
return result;
|
|
}
|
|
default: ; /* should not happen */
|
|
}
|
|
}
|
|
|
|
XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position);
|
|
positionPtr = bufferPtr;
|
|
return result;
|
|
}
|
|
|
|
void * XMLCALL
|
|
XML_GetBuffer(XML_Parser parser, int len)
|
|
{
|
|
if (parser == NULL)
|
|
return NULL;
|
|
if (len < 0) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
errorCode = XML_ERROR_SUSPENDED;
|
|
return NULL;
|
|
case XML_FINISHED:
|
|
errorCode = XML_ERROR_FINISHED;
|
|
return NULL;
|
|
default: ;
|
|
}
|
|
|
|
if (len > bufferLim - bufferEnd) {
|
|
#ifdef XML_CONTEXT_BYTES
|
|
int keep;
|
|
#endif /* defined XML_CONTEXT_BYTES */
|
|
/* Do not invoke signed arithmetic overflow: */
|
|
int neededSize = (int) ((unsigned)len + (unsigned)(bufferEnd - bufferPtr));
|
|
if (neededSize < 0) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
#ifdef XML_CONTEXT_BYTES
|
|
keep = (int)(bufferPtr - buffer);
|
|
if (keep > XML_CONTEXT_BYTES)
|
|
keep = XML_CONTEXT_BYTES;
|
|
neededSize += keep;
|
|
#endif /* defined XML_CONTEXT_BYTES */
|
|
if (neededSize <= bufferLim - buffer) {
|
|
#ifdef XML_CONTEXT_BYTES
|
|
if (keep < bufferPtr - buffer) {
|
|
int offset = (int)(bufferPtr - buffer) - keep;
|
|
memmove(buffer, &buffer[offset], bufferEnd - bufferPtr + keep);
|
|
bufferEnd -= offset;
|
|
bufferPtr -= offset;
|
|
}
|
|
#else
|
|
memmove(buffer, bufferPtr, bufferEnd - bufferPtr);
|
|
bufferEnd = buffer + (bufferEnd - bufferPtr);
|
|
bufferPtr = buffer;
|
|
#endif /* not defined XML_CONTEXT_BYTES */
|
|
}
|
|
else {
|
|
char *newBuf;
|
|
int bufferSize = (int)(bufferLim - bufferPtr);
|
|
if (bufferSize == 0)
|
|
bufferSize = INIT_BUFFER_SIZE;
|
|
do {
|
|
/* Do not invoke signed arithmetic overflow: */
|
|
bufferSize = (int) (2U * (unsigned) bufferSize);
|
|
} while (bufferSize < neededSize && bufferSize > 0);
|
|
if (bufferSize <= 0) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
newBuf = (char *)MALLOC(bufferSize);
|
|
if (newBuf == 0) {
|
|
errorCode = XML_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
bufferLim = newBuf + bufferSize;
|
|
#ifdef XML_CONTEXT_BYTES
|
|
if (bufferPtr) {
|
|
int keep = (int)(bufferPtr - buffer);
|
|
if (keep > XML_CONTEXT_BYTES)
|
|
keep = XML_CONTEXT_BYTES;
|
|
memcpy(newBuf, &bufferPtr[-keep], bufferEnd - bufferPtr + keep);
|
|
FREE(buffer);
|
|
buffer = newBuf;
|
|
bufferEnd = buffer + (bufferEnd - bufferPtr) + keep;
|
|
bufferPtr = buffer + keep;
|
|
}
|
|
else {
|
|
bufferEnd = newBuf + (bufferEnd - bufferPtr);
|
|
bufferPtr = buffer = newBuf;
|
|
}
|
|
#else
|
|
if (bufferPtr) {
|
|
memcpy(newBuf, bufferPtr, bufferEnd - bufferPtr);
|
|
FREE(buffer);
|
|
}
|
|
bufferEnd = newBuf + (bufferEnd - bufferPtr);
|
|
bufferPtr = buffer = newBuf;
|
|
#endif /* not defined XML_CONTEXT_BYTES */
|
|
}
|
|
eventPtr = eventEndPtr = NULL;
|
|
positionPtr = NULL;
|
|
}
|
|
return bufferEnd;
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_StopParser(XML_Parser parser, XML_Bool resumable)
|
|
{
|
|
if (parser == NULL)
|
|
return XML_STATUS_ERROR;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
if (resumable) {
|
|
errorCode = XML_ERROR_SUSPENDED;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
ps_parsing = XML_FINISHED;
|
|
break;
|
|
case XML_FINISHED:
|
|
errorCode = XML_ERROR_FINISHED;
|
|
return XML_STATUS_ERROR;
|
|
default:
|
|
if (resumable) {
|
|
#ifdef XML_DTD
|
|
if (isParamEntity) {
|
|
errorCode = XML_ERROR_SUSPEND_PE;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
#endif
|
|
ps_parsing = XML_SUSPENDED;
|
|
}
|
|
else
|
|
ps_parsing = XML_FINISHED;
|
|
}
|
|
return XML_STATUS_OK;
|
|
}
|
|
|
|
enum XML_Status XMLCALL
|
|
XML_ResumeParser(XML_Parser parser)
|
|
{
|
|
enum XML_Status result = XML_STATUS_OK;
|
|
|
|
if (parser == NULL)
|
|
return XML_STATUS_ERROR;
|
|
if (ps_parsing != XML_SUSPENDED) {
|
|
errorCode = XML_ERROR_NOT_SUSPENDED;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
ps_parsing = XML_PARSING;
|
|
|
|
errorCode = processor(parser, bufferPtr, parseEndPtr, &bufferPtr);
|
|
|
|
if (errorCode != XML_ERROR_NONE) {
|
|
eventEndPtr = eventPtr;
|
|
processor = errorProcessor;
|
|
return XML_STATUS_ERROR;
|
|
}
|
|
else {
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
result = XML_STATUS_SUSPENDED;
|
|
break;
|
|
case XML_INITIALIZED:
|
|
case XML_PARSING:
|
|
if (ps_finalBuffer) {
|
|
ps_parsing = XML_FINISHED;
|
|
return result;
|
|
}
|
|
default: ;
|
|
}
|
|
}
|
|
|
|
XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position);
|
|
positionPtr = bufferPtr;
|
|
return result;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_GetParsingStatus(XML_Parser parser, XML_ParsingStatus *status)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
assert(status != NULL);
|
|
*status = parser->m_parsingStatus;
|
|
}
|
|
|
|
enum XML_Error XMLCALL
|
|
XML_GetErrorCode(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return XML_ERROR_INVALID_ARGUMENT;
|
|
return errorCode;
|
|
}
|
|
|
|
XML_Index XMLCALL
|
|
XML_GetCurrentByteIndex(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return -1;
|
|
if (eventPtr)
|
|
return (XML_Index)(parseEndByteIndex - (parseEndPtr - eventPtr));
|
|
return -1;
|
|
}
|
|
|
|
int XMLCALL
|
|
XML_GetCurrentByteCount(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return 0;
|
|
if (eventEndPtr && eventPtr)
|
|
return (int)(eventEndPtr - eventPtr);
|
|
return 0;
|
|
}
|
|
|
|
const char * XMLCALL
|
|
XML_GetInputContext(XML_Parser parser, int *offset, int *size)
|
|
{
|
|
#ifdef XML_CONTEXT_BYTES
|
|
if (parser == NULL)
|
|
return NULL;
|
|
if (eventPtr && buffer) {
|
|
if (offset != NULL)
|
|
*offset = (int)(eventPtr - buffer);
|
|
if (size != NULL)
|
|
*size = (int)(bufferEnd - buffer);
|
|
return buffer;
|
|
}
|
|
#else
|
|
(void)parser;
|
|
(void)offset;
|
|
(void)size;
|
|
#endif /* defined XML_CONTEXT_BYTES */
|
|
return (char *) 0;
|
|
}
|
|
|
|
XML_Size XMLCALL
|
|
XML_GetCurrentLineNumber(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return 0;
|
|
if (eventPtr && eventPtr >= positionPtr) {
|
|
XmlUpdatePosition(encoding, positionPtr, eventPtr, &position);
|
|
positionPtr = eventPtr;
|
|
}
|
|
return position.lineNumber + 1;
|
|
}
|
|
|
|
XML_Size XMLCALL
|
|
XML_GetCurrentColumnNumber(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return 0;
|
|
if (eventPtr && eventPtr >= positionPtr) {
|
|
XmlUpdatePosition(encoding, positionPtr, eventPtr, &position);
|
|
positionPtr = eventPtr;
|
|
}
|
|
return position.columnNumber;
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_FreeContentModel(XML_Parser parser, XML_Content *model)
|
|
{
|
|
if (parser != NULL)
|
|
FREE(model);
|
|
}
|
|
|
|
void * XMLCALL
|
|
XML_MemMalloc(XML_Parser parser, size_t size)
|
|
{
|
|
if (parser == NULL)
|
|
return NULL;
|
|
return MALLOC(size);
|
|
}
|
|
|
|
void * XMLCALL
|
|
XML_MemRealloc(XML_Parser parser, void *ptr, size_t size)
|
|
{
|
|
if (parser == NULL)
|
|
return NULL;
|
|
return REALLOC(ptr, size);
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_MemFree(XML_Parser parser, void *ptr)
|
|
{
|
|
if (parser != NULL)
|
|
FREE(ptr);
|
|
}
|
|
|
|
void XMLCALL
|
|
XML_DefaultCurrent(XML_Parser parser)
|
|
{
|
|
if (parser == NULL)
|
|
return;
|
|
if (defaultHandler) {
|
|
if (openInternalEntities)
|
|
reportDefault(parser,
|
|
internalEncoding,
|
|
openInternalEntities->internalEventPtr,
|
|
openInternalEntities->internalEventEndPtr);
|
|
else
|
|
reportDefault(parser, encoding, eventPtr, eventEndPtr);
|
|
}
|
|
}
|
|
|
|
const XML_LChar * XMLCALL
|
|
XML_ErrorString(enum XML_Error code)
|
|
{
|
|
static const XML_LChar* const message[] = {
|
|
0,
|
|
XML_L("out of memory"),
|
|
XML_L("syntax error"),
|
|
XML_L("no element found"),
|
|
XML_L("not well-formed (invalid token)"),
|
|
XML_L("unclosed token"),
|
|
XML_L("partial character"),
|
|
XML_L("mismatched tag"),
|
|
XML_L("duplicate attribute"),
|
|
XML_L("junk after document element"),
|
|
XML_L("illegal parameter entity reference"),
|
|
XML_L("undefined entity"),
|
|
XML_L("recursive entity reference"),
|
|
XML_L("asynchronous entity"),
|
|
XML_L("reference to invalid character number"),
|
|
XML_L("reference to binary entity"),
|
|
XML_L("reference to external entity in attribute"),
|
|
XML_L("XML or text declaration not at start of entity"),
|
|
XML_L("unknown encoding"),
|
|
XML_L("encoding specified in XML declaration is incorrect"),
|
|
XML_L("unclosed CDATA section"),
|
|
XML_L("error in processing external entity reference"),
|
|
XML_L("document is not standalone"),
|
|
XML_L("unexpected parser state - please send a bug report"),
|
|
XML_L("entity declared in parameter entity"),
|
|
XML_L("requested feature requires XML_DTD support in Expat"),
|
|
XML_L("cannot change setting once parsing has begun"),
|
|
XML_L("unbound prefix"),
|
|
XML_L("must not undeclare prefix"),
|
|
XML_L("incomplete markup in parameter entity"),
|
|
XML_L("XML declaration not well-formed"),
|
|
XML_L("text declaration not well-formed"),
|
|
XML_L("illegal character(s) in public id"),
|
|
XML_L("parser suspended"),
|
|
XML_L("parser not suspended"),
|
|
XML_L("parsing aborted"),
|
|
XML_L("parsing finished"),
|
|
XML_L("cannot suspend in external parameter entity"),
|
|
XML_L("reserved prefix (xml) must not be undeclared or bound to another namespace name"),
|
|
XML_L("reserved prefix (xmlns) must not be declared or undeclared"),
|
|
XML_L("prefix must not be bound to one of the reserved namespace names")
|
|
};
|
|
if (code > 0 && code < sizeof(message)/sizeof(message[0]))
|
|
return message[code];
|
|
return NULL;
|
|
}
|
|
|
|
const XML_LChar * XMLCALL
|
|
XML_ExpatVersion(void) {
|
|
|
|
/* V1 is used to string-ize the version number. However, it would
|
|
string-ize the actual version macro *names* unless we get them
|
|
substituted before being passed to V1. CPP is defined to expand
|
|
a macro, then rescan for more expansions. Thus, we use V2 to expand
|
|
the version macros, then CPP will expand the resulting V1() macro
|
|
with the correct numerals. */
|
|
/* ### I'm assuming cpp is portable in this respect... */
|
|
|
|
#define V1(a,b,c) XML_L(#a)XML_L(".")XML_L(#b)XML_L(".")XML_L(#c)
|
|
#define V2(a,b,c) XML_L("expat_")V1(a,b,c)
|
|
|
|
return V2(XML_MAJOR_VERSION, XML_MINOR_VERSION, XML_MICRO_VERSION);
|
|
|
|
#undef V1
|
|
#undef V2
|
|
}
|
|
|
|
XML_Expat_Version XMLCALL
|
|
XML_ExpatVersionInfo(void)
|
|
{
|
|
XML_Expat_Version version;
|
|
|
|
version.major = XML_MAJOR_VERSION;
|
|
version.minor = XML_MINOR_VERSION;
|
|
version.micro = XML_MICRO_VERSION;
|
|
|
|
return version;
|
|
}
|
|
|
|
const XML_Feature * XMLCALL
|
|
XML_GetFeatureList(void)
|
|
{
|
|
static const XML_Feature features[] = {
|
|
{XML_FEATURE_SIZEOF_XML_CHAR, XML_L("sizeof(XML_Char)"),
|
|
sizeof(XML_Char)},
|
|
{XML_FEATURE_SIZEOF_XML_LCHAR, XML_L("sizeof(XML_LChar)"),
|
|
sizeof(XML_LChar)},
|
|
#ifdef XML_UNICODE
|
|
{XML_FEATURE_UNICODE, XML_L("XML_UNICODE"), 0},
|
|
#endif
|
|
#ifdef XML_UNICODE_WCHAR_T
|
|
{XML_FEATURE_UNICODE_WCHAR_T, XML_L("XML_UNICODE_WCHAR_T"), 0},
|
|
#endif
|
|
#ifdef XML_DTD
|
|
{XML_FEATURE_DTD, XML_L("XML_DTD"), 0},
|
|
#endif
|
|
#ifdef XML_CONTEXT_BYTES
|
|
{XML_FEATURE_CONTEXT_BYTES, XML_L("XML_CONTEXT_BYTES"),
|
|
XML_CONTEXT_BYTES},
|
|
#endif
|
|
#ifdef XML_MIN_SIZE
|
|
{XML_FEATURE_MIN_SIZE, XML_L("XML_MIN_SIZE"), 0},
|
|
#endif
|
|
#ifdef XML_NS
|
|
{XML_FEATURE_NS, XML_L("XML_NS"), 0},
|
|
#endif
|
|
#ifdef XML_LARGE_SIZE
|
|
{XML_FEATURE_LARGE_SIZE, XML_L("XML_LARGE_SIZE"), 0},
|
|
#endif
|
|
#ifdef XML_ATTR_INFO
|
|
{XML_FEATURE_ATTR_INFO, XML_L("XML_ATTR_INFO"), 0},
|
|
#endif
|
|
{XML_FEATURE_END, NULL, 0}
|
|
};
|
|
|
|
return features;
|
|
}
|
|
|
|
/* Initially tag->rawName always points into the parse buffer;
|
|
for those TAG instances opened while the current parse buffer was
|
|
processed, and not yet closed, we need to store tag->rawName in a more
|
|
permanent location, since the parse buffer is about to be discarded.
|
|
*/
|
|
static XML_Bool
|
|
storeRawNames(XML_Parser parser)
|
|
{
|
|
TAG *tag = tagStack;
|
|
while (tag) {
|
|
int bufSize;
|
|
int nameLen = sizeof(XML_Char) * (tag->name.strLen + 1);
|
|
char *rawNameBuf = tag->buf + nameLen;
|
|
/* Stop if already stored. Since tagStack is a stack, we can stop
|
|
at the first entry that has already been copied; everything
|
|
below it in the stack is already been accounted for in a
|
|
previous call to this function.
|
|
*/
|
|
if (tag->rawName == rawNameBuf)
|
|
break;
|
|
/* For re-use purposes we need to ensure that the
|
|
size of tag->buf is a multiple of sizeof(XML_Char).
|
|
*/
|
|
bufSize = nameLen + ROUND_UP(tag->rawNameLength, sizeof(XML_Char));
|
|
if (bufSize > tag->bufEnd - tag->buf) {
|
|
char *temp = (char *)REALLOC(tag->buf, bufSize);
|
|
if (temp == NULL)
|
|
return XML_FALSE;
|
|
/* if tag->name.str points to tag->buf (only when namespace
|
|
processing is off) then we have to update it
|
|
*/
|
|
if (tag->name.str == (XML_Char *)tag->buf)
|
|
tag->name.str = (XML_Char *)temp;
|
|
/* if tag->name.localPart is set (when namespace processing is on)
|
|
then update it as well, since it will always point into tag->buf
|
|
*/
|
|
if (tag->name.localPart)
|
|
tag->name.localPart = (XML_Char *)temp + (tag->name.localPart -
|
|
(XML_Char *)tag->buf);
|
|
tag->buf = temp;
|
|
tag->bufEnd = temp + bufSize;
|
|
rawNameBuf = temp + nameLen;
|
|
}
|
|
memcpy(rawNameBuf, tag->rawName, tag->rawNameLength);
|
|
tag->rawName = rawNameBuf;
|
|
tag = tag->parent;
|
|
}
|
|
return XML_TRUE;
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
contentProcessor(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
enum XML_Error result = doContent(parser, 0, encoding, start, end,
|
|
endPtr, (XML_Bool)!ps_finalBuffer);
|
|
if (result == XML_ERROR_NONE) {
|
|
if (!storeRawNames(parser))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalEntityInitProcessor(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
enum XML_Error result = initializeEncoding(parser);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
processor = externalEntityInitProcessor2;
|
|
return externalEntityInitProcessor2(parser, start, end, endPtr);
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalEntityInitProcessor2(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
const char *next = start; /* XmlContentTok doesn't always set the last arg */
|
|
int tok = XmlContentTok(encoding, start, end, &next);
|
|
switch (tok) {
|
|
case XML_TOK_BOM:
|
|
/* If we are at the end of the buffer, this would cause the next stage,
|
|
i.e. externalEntityInitProcessor3, to pass control directly to
|
|
doContent (by detecting XML_TOK_NONE) without processing any xml text
|
|
declaration - causing the error XML_ERROR_MISPLACED_XML_PI in doContent.
|
|
*/
|
|
if (next == end && !ps_finalBuffer) {
|
|
*endPtr = next;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
start = next;
|
|
break;
|
|
case XML_TOK_PARTIAL:
|
|
if (!ps_finalBuffer) {
|
|
*endPtr = start;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
eventPtr = start;
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (!ps_finalBuffer) {
|
|
*endPtr = start;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
eventPtr = start;
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
}
|
|
processor = externalEntityInitProcessor3;
|
|
return externalEntityInitProcessor3(parser, start, end, endPtr);
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalEntityInitProcessor3(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
int tok;
|
|
const char *next = start; /* XmlContentTok doesn't always set the last arg */
|
|
eventPtr = start;
|
|
tok = XmlContentTok(encoding, start, end, &next);
|
|
eventEndPtr = next;
|
|
|
|
switch (tok) {
|
|
case XML_TOK_XML_DECL:
|
|
{
|
|
enum XML_Error result;
|
|
result = processXmlDecl(parser, 1, start, next);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*endPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default:
|
|
start = next;
|
|
}
|
|
}
|
|
break;
|
|
case XML_TOK_PARTIAL:
|
|
if (!ps_finalBuffer) {
|
|
*endPtr = start;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (!ps_finalBuffer) {
|
|
*endPtr = start;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
}
|
|
processor = externalEntityContentProcessor;
|
|
tagLevel = 1;
|
|
return externalEntityContentProcessor(parser, start, end, endPtr);
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalEntityContentProcessor(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
enum XML_Error result = doContent(parser, 1, encoding, start, end,
|
|
endPtr, (XML_Bool)!ps_finalBuffer);
|
|
if (result == XML_ERROR_NONE) {
|
|
if (!storeRawNames(parser))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static enum XML_Error
|
|
doContent(XML_Parser parser,
|
|
int startTagLevel,
|
|
const ENCODING *enc,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr,
|
|
XML_Bool haveMore)
|
|
{
|
|
/* save one level of indirection */
|
|
DTD * const dtd = _dtd;
|
|
|
|
const char **eventPP;
|
|
const char **eventEndPP;
|
|
if (enc == encoding) {
|
|
eventPP = &eventPtr;
|
|
eventEndPP = &eventEndPtr;
|
|
}
|
|
else {
|
|
eventPP = &(openInternalEntities->internalEventPtr);
|
|
eventEndPP = &(openInternalEntities->internalEventEndPtr);
|
|
}
|
|
*eventPP = s;
|
|
|
|
for (;;) {
|
|
const char *next = s; /* XmlContentTok doesn't always set the last arg */
|
|
int tok = XmlContentTok(enc, s, end, &next);
|
|
*eventEndPP = next;
|
|
switch (tok) {
|
|
case XML_TOK_TRAILING_CR:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
*eventEndPP = end;
|
|
if (characterDataHandler) {
|
|
XML_Char c = 0xA;
|
|
characterDataHandler(handlerArg, &c, 1);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, end);
|
|
/* We are at the end of the final buffer, should we check for
|
|
XML_SUSPENDED, XML_FINISHED?
|
|
*/
|
|
if (startTagLevel == 0)
|
|
return XML_ERROR_NO_ELEMENTS;
|
|
if (tagLevel != startTagLevel)
|
|
return XML_ERROR_ASYNC_ENTITY;
|
|
*nextPtr = end;
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_NONE:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
if (startTagLevel > 0) {
|
|
if (tagLevel != startTagLevel)
|
|
return XML_ERROR_ASYNC_ENTITY;
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_NO_ELEMENTS;
|
|
case XML_TOK_INVALID:
|
|
*eventPP = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_ENTITY_REF:
|
|
{
|
|
const XML_Char *name;
|
|
ENTITY *entity;
|
|
XML_Char ch = (XML_Char) XmlPredefinedEntityName(enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (ch) {
|
|
if (characterDataHandler)
|
|
characterDataHandler(handlerArg, &ch, 1);
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
}
|
|
name = poolStoreString(&dtd->pool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
entity = (ENTITY *)lookup(parser, &dtd->generalEntities, name, 0);
|
|
poolDiscard(&dtd->pool);
|
|
/* First, determine if a check for an existing declaration is needed;
|
|
if yes, check that the entity exists, and that it is internal,
|
|
otherwise call the skipped entity or default handler.
|
|
*/
|
|
if (!dtd->hasParamEntityRefs || dtd->standalone) {
|
|
if (!entity)
|
|
return XML_ERROR_UNDEFINED_ENTITY;
|
|
else if (!entity->is_internal)
|
|
return XML_ERROR_ENTITY_DECLARED_IN_PE;
|
|
}
|
|
else if (!entity) {
|
|
if (skippedEntityHandler)
|
|
skippedEntityHandler(handlerArg, name, 0);
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
}
|
|
if (entity->open)
|
|
return XML_ERROR_RECURSIVE_ENTITY_REF;
|
|
if (entity->notation)
|
|
return XML_ERROR_BINARY_ENTITY_REF;
|
|
if (entity->textPtr) {
|
|
enum XML_Error result;
|
|
if (!defaultExpandInternalEntities) {
|
|
if (skippedEntityHandler)
|
|
skippedEntityHandler(handlerArg, entity->name, 0);
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
}
|
|
result = processInternalEntity(parser, entity, XML_FALSE);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
}
|
|
else if (externalEntityRefHandler) {
|
|
const XML_Char *context;
|
|
entity->open = XML_TRUE;
|
|
context = getContext(parser);
|
|
entity->open = XML_FALSE;
|
|
if (!context)
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (!externalEntityRefHandler(externalEntityRefHandlerArg,
|
|
context,
|
|
entity->base,
|
|
entity->systemId,
|
|
entity->publicId))
|
|
return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
|
|
poolDiscard(&tempPool);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
}
|
|
case XML_TOK_START_TAG_NO_ATTS:
|
|
/* fall through */
|
|
case XML_TOK_START_TAG_WITH_ATTS:
|
|
{
|
|
TAG *tag;
|
|
enum XML_Error result;
|
|
XML_Char *toPtr;
|
|
if (freeTagList) {
|
|
tag = freeTagList;
|
|
freeTagList = freeTagList->parent;
|
|
}
|
|
else {
|
|
tag = (TAG *)MALLOC(sizeof(TAG));
|
|
if (!tag)
|
|
return XML_ERROR_NO_MEMORY;
|
|
tag->buf = (char *)MALLOC(INIT_TAG_BUF_SIZE);
|
|
if (!tag->buf) {
|
|
FREE(tag);
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
tag->bufEnd = tag->buf + INIT_TAG_BUF_SIZE;
|
|
}
|
|
tag->bindings = NULL;
|
|
tag->parent = tagStack;
|
|
tagStack = tag;
|
|
tag->name.localPart = NULL;
|
|
tag->name.prefix = NULL;
|
|
tag->rawName = s + enc->minBytesPerChar;
|
|
tag->rawNameLength = XmlNameLength(enc, tag->rawName);
|
|
++tagLevel;
|
|
{
|
|
const char *rawNameEnd = tag->rawName + tag->rawNameLength;
|
|
const char *fromPtr = tag->rawName;
|
|
toPtr = (XML_Char *)tag->buf;
|
|
for (;;) {
|
|
int bufSize;
|
|
int convLen;
|
|
const enum XML_Convert_Result convert_res = XmlConvert(enc,
|
|
&fromPtr, rawNameEnd,
|
|
(ICHAR **)&toPtr, (ICHAR *)tag->bufEnd - 1);
|
|
convLen = (int)(toPtr - (XML_Char *)tag->buf);
|
|
if ((fromPtr >= rawNameEnd) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) {
|
|
tag->name.strLen = convLen;
|
|
break;
|
|
}
|
|
bufSize = (int)(tag->bufEnd - tag->buf) << 1;
|
|
{
|
|
char *temp = (char *)REALLOC(tag->buf, bufSize);
|
|
if (temp == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
tag->buf = temp;
|
|
tag->bufEnd = temp + bufSize;
|
|
toPtr = (XML_Char *)temp + convLen;
|
|
}
|
|
}
|
|
}
|
|
tag->name.str = (XML_Char *)tag->buf;
|
|
*toPtr = XML_T('\0');
|
|
result = storeAtts(parser, enc, s, &(tag->name), &(tag->bindings));
|
|
if (result)
|
|
return result;
|
|
if (startElementHandler)
|
|
startElementHandler(handlerArg, tag->name.str,
|
|
(const XML_Char **)atts);
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
poolClear(&tempPool);
|
|
break;
|
|
}
|
|
case XML_TOK_EMPTY_ELEMENT_NO_ATTS:
|
|
/* fall through */
|
|
case XML_TOK_EMPTY_ELEMENT_WITH_ATTS:
|
|
{
|
|
const char *rawName = s + enc->minBytesPerChar;
|
|
enum XML_Error result;
|
|
BINDING *bindings = NULL;
|
|
XML_Bool noElmHandlers = XML_TRUE;
|
|
TAG_NAME name;
|
|
name.str = poolStoreString(&tempPool, enc, rawName,
|
|
rawName + XmlNameLength(enc, rawName));
|
|
if (!name.str)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&tempPool);
|
|
result = storeAtts(parser, enc, s, &name, &bindings);
|
|
if (result != XML_ERROR_NONE) {
|
|
freeBindings(parser, bindings);
|
|
return result;
|
|
}
|
|
poolFinish(&tempPool);
|
|
if (startElementHandler) {
|
|
startElementHandler(handlerArg, name.str, (const XML_Char **)atts);
|
|
noElmHandlers = XML_FALSE;
|
|
}
|
|
if (endElementHandler) {
|
|
if (startElementHandler)
|
|
*eventPP = *eventEndPP;
|
|
endElementHandler(handlerArg, name.str);
|
|
noElmHandlers = XML_FALSE;
|
|
}
|
|
if (noElmHandlers && defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
poolClear(&tempPool);
|
|
freeBindings(parser, bindings);
|
|
}
|
|
if (tagLevel == 0)
|
|
return epilogProcessor(parser, next, end, nextPtr);
|
|
break;
|
|
case XML_TOK_END_TAG:
|
|
if (tagLevel == startTagLevel)
|
|
return XML_ERROR_ASYNC_ENTITY;
|
|
else {
|
|
int len;
|
|
const char *rawName;
|
|
TAG *tag = tagStack;
|
|
tagStack = tag->parent;
|
|
tag->parent = freeTagList;
|
|
freeTagList = tag;
|
|
rawName = s + enc->minBytesPerChar*2;
|
|
len = XmlNameLength(enc, rawName);
|
|
if (len != tag->rawNameLength
|
|
|| memcmp(tag->rawName, rawName, len) != 0) {
|
|
*eventPP = rawName;
|
|
return XML_ERROR_TAG_MISMATCH;
|
|
}
|
|
--tagLevel;
|
|
if (endElementHandler) {
|
|
const XML_Char *localPart;
|
|
const XML_Char *prefix;
|
|
XML_Char *uri;
|
|
localPart = tag->name.localPart;
|
|
if (ns && localPart) {
|
|
/* localPart and prefix may have been overwritten in
|
|
tag->name.str, since this points to the binding->uri
|
|
buffer which gets re-used; so we have to add them again
|
|
*/
|
|
uri = (XML_Char *)tag->name.str + tag->name.uriLen;
|
|
/* don't need to check for space - already done in storeAtts() */
|
|
while (*localPart) *uri++ = *localPart++;
|
|
prefix = (XML_Char *)tag->name.prefix;
|
|
if (ns_triplets && prefix) {
|
|
*uri++ = namespaceSeparator;
|
|
while (*prefix) *uri++ = *prefix++;
|
|
}
|
|
*uri = XML_T('\0');
|
|
}
|
|
endElementHandler(handlerArg, tag->name.str);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
while (tag->bindings) {
|
|
BINDING *b = tag->bindings;
|
|
if (endNamespaceDeclHandler)
|
|
endNamespaceDeclHandler(handlerArg, b->prefix->name);
|
|
tag->bindings = tag->bindings->nextTagBinding;
|
|
b->nextTagBinding = freeBindingList;
|
|
freeBindingList = b;
|
|
b->prefix->binding = b->prevPrefixBinding;
|
|
}
|
|
if (tagLevel == 0)
|
|
return epilogProcessor(parser, next, end, nextPtr);
|
|
}
|
|
break;
|
|
case XML_TOK_CHAR_REF:
|
|
{
|
|
int n = XmlCharRefNumber(enc, s);
|
|
if (n < 0)
|
|
return XML_ERROR_BAD_CHAR_REF;
|
|
if (characterDataHandler) {
|
|
XML_Char buf[XML_ENCODE_MAX];
|
|
characterDataHandler(handlerArg, buf, XmlEncode(n, (ICHAR *)buf));
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
}
|
|
break;
|
|
case XML_TOK_XML_DECL:
|
|
return XML_ERROR_MISPLACED_XML_PI;
|
|
case XML_TOK_DATA_NEWLINE:
|
|
if (characterDataHandler) {
|
|
XML_Char c = 0xA;
|
|
characterDataHandler(handlerArg, &c, 1);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
case XML_TOK_CDATA_SECT_OPEN:
|
|
{
|
|
enum XML_Error result;
|
|
if (startCdataSectionHandler)
|
|
startCdataSectionHandler(handlerArg);
|
|
#if 0
|
|
/* Suppose you doing a transformation on a document that involves
|
|
changing only the character data. You set up a defaultHandler
|
|
and a characterDataHandler. The defaultHandler simply copies
|
|
characters through. The characterDataHandler does the
|
|
transformation and writes the characters out escaping them as
|
|
necessary. This case will fail to work if we leave out the
|
|
following two lines (because & and < inside CDATA sections will
|
|
be incorrectly escaped).
|
|
|
|
However, now we have a start/endCdataSectionHandler, so it seems
|
|
easier to let the user deal with this.
|
|
*/
|
|
else if (characterDataHandler)
|
|
characterDataHandler(handlerArg, dataBuf, 0);
|
|
#endif
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
result = doCdataSection(parser, enc, &next, end, nextPtr, haveMore);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
else if (!next) {
|
|
processor = cdataSectionProcessor;
|
|
return result;
|
|
}
|
|
}
|
|
break;
|
|
case XML_TOK_TRAILING_RSQB:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
if (characterDataHandler) {
|
|
if (MUST_CONVERT(enc, s)) {
|
|
ICHAR *dataPtr = (ICHAR *)dataBuf;
|
|
XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd);
|
|
characterDataHandler(handlerArg, dataBuf,
|
|
(int)(dataPtr - (ICHAR *)dataBuf));
|
|
}
|
|
else
|
|
characterDataHandler(handlerArg,
|
|
(XML_Char *)s,
|
|
(int)((XML_Char *)end - (XML_Char *)s));
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, end);
|
|
/* We are at the end of the final buffer, should we check for
|
|
XML_SUSPENDED, XML_FINISHED?
|
|
*/
|
|
if (startTagLevel == 0) {
|
|
*eventPP = end;
|
|
return XML_ERROR_NO_ELEMENTS;
|
|
}
|
|
if (tagLevel != startTagLevel) {
|
|
*eventPP = end;
|
|
return XML_ERROR_ASYNC_ENTITY;
|
|
}
|
|
*nextPtr = end;
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_DATA_CHARS:
|
|
{
|
|
XML_CharacterDataHandler charDataHandler = characterDataHandler;
|
|
if (charDataHandler) {
|
|
if (MUST_CONVERT(enc, s)) {
|
|
for (;;) {
|
|
ICHAR *dataPtr = (ICHAR *)dataBuf;
|
|
const enum XML_Convert_Result convert_res = XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd);
|
|
*eventEndPP = s;
|
|
charDataHandler(handlerArg, dataBuf,
|
|
(int)(dataPtr - (ICHAR *)dataBuf));
|
|
if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE))
|
|
break;
|
|
*eventPP = s;
|
|
}
|
|
}
|
|
else
|
|
charDataHandler(handlerArg,
|
|
(XML_Char *)s,
|
|
(int)((XML_Char *)next - (XML_Char *)s));
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
}
|
|
break;
|
|
case XML_TOK_PI:
|
|
if (!reportProcessingInstruction(parser, enc, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
case XML_TOK_COMMENT:
|
|
if (!reportComment(parser, enc, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
default:
|
|
if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
}
|
|
*eventPP = s = next;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default: ;
|
|
}
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
/* This function does not call free() on the allocated memory, merely
|
|
* moving it to the parser's freeBindingList where it can be freed or
|
|
* reused as appropriate.
|
|
*/
|
|
static void
|
|
freeBindings(XML_Parser parser, BINDING *bindings)
|
|
{
|
|
while (bindings) {
|
|
BINDING *b = bindings;
|
|
|
|
/* startNamespaceDeclHandler will have been called for this
|
|
* binding in addBindings(), so call the end handler now.
|
|
*/
|
|
if (endNamespaceDeclHandler)
|
|
endNamespaceDeclHandler(handlerArg, b->prefix->name);
|
|
|
|
bindings = bindings->nextTagBinding;
|
|
b->nextTagBinding = freeBindingList;
|
|
freeBindingList = b;
|
|
b->prefix->binding = b->prevPrefixBinding;
|
|
}
|
|
}
|
|
|
|
/* Precondition: all arguments must be non-NULL;
|
|
Purpose:
|
|
- normalize attributes
|
|
- check attributes for well-formedness
|
|
- generate namespace aware attribute names (URI, prefix)
|
|
- build list of attributes for startElementHandler
|
|
- default attributes
|
|
- process namespace declarations (check and report them)
|
|
- generate namespace aware element name (URI, prefix)
|
|
*/
|
|
static enum XML_Error
|
|
storeAtts(XML_Parser parser, const ENCODING *enc,
|
|
const char *attStr, TAG_NAME *tagNamePtr,
|
|
BINDING **bindingsPtr)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
ELEMENT_TYPE *elementType;
|
|
int nDefaultAtts;
|
|
const XML_Char **appAtts; /* the attribute list for the application */
|
|
int attIndex = 0;
|
|
int prefixLen;
|
|
int i;
|
|
int n;
|
|
XML_Char *uri;
|
|
int nPrefixes = 0;
|
|
BINDING *binding;
|
|
const XML_Char *localPart;
|
|
|
|
/* lookup the element type name */
|
|
elementType = (ELEMENT_TYPE *)lookup(parser, &dtd->elementTypes, tagNamePtr->str,0);
|
|
if (!elementType) {
|
|
const XML_Char *name = poolCopyString(&dtd->pool, tagNamePtr->str);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
elementType = (ELEMENT_TYPE *)lookup(parser, &dtd->elementTypes, name,
|
|
sizeof(ELEMENT_TYPE));
|
|
if (!elementType)
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (ns && !setElementTypePrefix(parser, elementType))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
nDefaultAtts = elementType->nDefaultAtts;
|
|
|
|
/* get the attributes from the tokenizer */
|
|
n = XmlGetAttributes(enc, attStr, attsSize, atts);
|
|
if (n + nDefaultAtts > attsSize) {
|
|
int oldAttsSize = attsSize;
|
|
ATTRIBUTE *temp;
|
|
#ifdef XML_ATTR_INFO
|
|
XML_AttrInfo *temp2;
|
|
#endif
|
|
attsSize = n + nDefaultAtts + INIT_ATTS_SIZE;
|
|
temp = (ATTRIBUTE *)REALLOC((void *)atts, attsSize * sizeof(ATTRIBUTE));
|
|
if (temp == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
atts = temp;
|
|
#ifdef XML_ATTR_INFO
|
|
temp2 = (XML_AttrInfo *)REALLOC((void *)attInfo, attsSize * sizeof(XML_AttrInfo));
|
|
if (temp2 == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
attInfo = temp2;
|
|
#endif
|
|
if (n > oldAttsSize)
|
|
XmlGetAttributes(enc, attStr, n, atts);
|
|
}
|
|
|
|
appAtts = (const XML_Char **)atts;
|
|
for (i = 0; i < n; i++) {
|
|
ATTRIBUTE *currAtt = &atts[i];
|
|
#ifdef XML_ATTR_INFO
|
|
XML_AttrInfo *currAttInfo = &attInfo[i];
|
|
#endif
|
|
/* add the name and value to the attribute list */
|
|
ATTRIBUTE_ID *attId = getAttributeId(parser, enc, currAtt->name,
|
|
currAtt->name
|
|
+ XmlNameLength(enc, currAtt->name));
|
|
if (!attId)
|
|
return XML_ERROR_NO_MEMORY;
|
|
#ifdef XML_ATTR_INFO
|
|
currAttInfo->nameStart = parseEndByteIndex - (parseEndPtr - currAtt->name);
|
|
currAttInfo->nameEnd = currAttInfo->nameStart +
|
|
XmlNameLength(enc, currAtt->name);
|
|
currAttInfo->valueStart = parseEndByteIndex -
|
|
(parseEndPtr - currAtt->valuePtr);
|
|
currAttInfo->valueEnd = parseEndByteIndex - (parseEndPtr - currAtt->valueEnd);
|
|
#endif
|
|
/* Detect duplicate attributes by their QNames. This does not work when
|
|
namespace processing is turned on and different prefixes for the same
|
|
namespace are used. For this case we have a check further down.
|
|
*/
|
|
if ((attId->name)[-1]) {
|
|
if (enc == encoding)
|
|
eventPtr = atts[i].name;
|
|
return XML_ERROR_DUPLICATE_ATTRIBUTE;
|
|
}
|
|
(attId->name)[-1] = 1;
|
|
appAtts[attIndex++] = attId->name;
|
|
if (!atts[i].normalized) {
|
|
enum XML_Error result;
|
|
XML_Bool isCdata = XML_TRUE;
|
|
|
|
/* figure out whether declared as other than CDATA */
|
|
if (attId->maybeTokenized) {
|
|
int j;
|
|
for (j = 0; j < nDefaultAtts; j++) {
|
|
if (attId == elementType->defaultAtts[j].id) {
|
|
isCdata = elementType->defaultAtts[j].isCdata;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* normalize the attribute value */
|
|
result = storeAttributeValue(parser, enc, isCdata,
|
|
atts[i].valuePtr, atts[i].valueEnd,
|
|
&tempPool);
|
|
if (result)
|
|
return result;
|
|
appAtts[attIndex] = poolStart(&tempPool);
|
|
poolFinish(&tempPool);
|
|
}
|
|
else {
|
|
/* the value did not need normalizing */
|
|
appAtts[attIndex] = poolStoreString(&tempPool, enc, atts[i].valuePtr,
|
|
atts[i].valueEnd);
|
|
if (appAtts[attIndex] == 0)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&tempPool);
|
|
}
|
|
/* handle prefixed attribute names */
|
|
if (attId->prefix) {
|
|
if (attId->xmlns) {
|
|
/* deal with namespace declarations here */
|
|
enum XML_Error result = addBinding(parser, attId->prefix, attId,
|
|
appAtts[attIndex], bindingsPtr);
|
|
if (result)
|
|
return result;
|
|
--attIndex;
|
|
}
|
|
else {
|
|
/* deal with other prefixed names later */
|
|
attIndex++;
|
|
nPrefixes++;
|
|
(attId->name)[-1] = 2;
|
|
}
|
|
}
|
|
else
|
|
attIndex++;
|
|
}
|
|
|
|
/* set-up for XML_GetSpecifiedAttributeCount and XML_GetIdAttributeIndex */
|
|
nSpecifiedAtts = attIndex;
|
|
if (elementType->idAtt && (elementType->idAtt->name)[-1]) {
|
|
for (i = 0; i < attIndex; i += 2)
|
|
if (appAtts[i] == elementType->idAtt->name) {
|
|
idAttIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
idAttIndex = -1;
|
|
|
|
/* do attribute defaulting */
|
|
for (i = 0; i < nDefaultAtts; i++) {
|
|
const DEFAULT_ATTRIBUTE *da = elementType->defaultAtts + i;
|
|
if (!(da->id->name)[-1] && da->value) {
|
|
if (da->id->prefix) {
|
|
if (da->id->xmlns) {
|
|
enum XML_Error result = addBinding(parser, da->id->prefix, da->id,
|
|
da->value, bindingsPtr);
|
|
if (result)
|
|
return result;
|
|
}
|
|
else {
|
|
(da->id->name)[-1] = 2;
|
|
nPrefixes++;
|
|
appAtts[attIndex++] = da->id->name;
|
|
appAtts[attIndex++] = da->value;
|
|
}
|
|
}
|
|
else {
|
|
(da->id->name)[-1] = 1;
|
|
appAtts[attIndex++] = da->id->name;
|
|
appAtts[attIndex++] = da->value;
|
|
}
|
|
}
|
|
}
|
|
appAtts[attIndex] = 0;
|
|
|
|
/* expand prefixed attribute names, check for duplicates,
|
|
and clear flags that say whether attributes were specified */
|
|
i = 0;
|
|
if (nPrefixes) {
|
|
int j; /* hash table index */
|
|
unsigned long version = nsAttsVersion;
|
|
int nsAttsSize = (int)1 << nsAttsPower;
|
|
/* size of hash table must be at least 2 * (# of prefixed attributes) */
|
|
if ((nPrefixes << 1) >> nsAttsPower) { /* true for nsAttsPower = 0 */
|
|
NS_ATT *temp;
|
|
/* hash table size must also be a power of 2 and >= 8 */
|
|
while (nPrefixes >> nsAttsPower++);
|
|
if (nsAttsPower < 3)
|
|
nsAttsPower = 3;
|
|
nsAttsSize = (int)1 << nsAttsPower;
|
|
temp = (NS_ATT *)REALLOC(nsAtts, nsAttsSize * sizeof(NS_ATT));
|
|
if (!temp)
|
|
return XML_ERROR_NO_MEMORY;
|
|
nsAtts = temp;
|
|
version = 0; /* force re-initialization of nsAtts hash table */
|
|
}
|
|
/* using a version flag saves us from initializing nsAtts every time */
|
|
if (!version) { /* initialize version flags when version wraps around */
|
|
version = INIT_ATTS_VERSION;
|
|
for (j = nsAttsSize; j != 0; )
|
|
nsAtts[--j].version = version;
|
|
}
|
|
nsAttsVersion = --version;
|
|
|
|
/* expand prefixed names and check for duplicates */
|
|
for (; i < attIndex; i += 2) {
|
|
const XML_Char *s = appAtts[i];
|
|
if (s[-1] == 2) { /* prefixed */
|
|
ATTRIBUTE_ID *id;
|
|
const BINDING *b;
|
|
unsigned long uriHash;
|
|
struct siphash sip_state;
|
|
struct sipkey sip_key;
|
|
|
|
copy_salt_to_sipkey(parser, &sip_key);
|
|
sip24_init(&sip_state, &sip_key);
|
|
|
|
((XML_Char *)s)[-1] = 0; /* clear flag */
|
|
id = (ATTRIBUTE_ID *)lookup(parser, &dtd->attributeIds, s, 0);
|
|
if (!id || !id->prefix)
|
|
return XML_ERROR_NO_MEMORY;
|
|
b = id->prefix->binding;
|
|
if (!b)
|
|
return XML_ERROR_UNBOUND_PREFIX;
|
|
|
|
for (j = 0; j < b->uriLen; j++) {
|
|
const XML_Char c = b->uri[j];
|
|
if (!poolAppendChar(&tempPool, c))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
|
|
sip24_update(&sip_state, b->uri, b->uriLen * sizeof(XML_Char));
|
|
|
|
while (*s++ != XML_T(ASCII_COLON))
|
|
;
|
|
|
|
sip24_update(&sip_state, s, keylen(s) * sizeof(XML_Char));
|
|
|
|
do { /* copies null terminator */
|
|
if (!poolAppendChar(&tempPool, *s))
|
|
return XML_ERROR_NO_MEMORY;
|
|
} while (*s++);
|
|
|
|
uriHash = (unsigned long)sip24_final(&sip_state);
|
|
|
|
{ /* Check hash table for duplicate of expanded name (uriName).
|
|
Derived from code in lookup(parser, HASH_TABLE *table, ...).
|
|
*/
|
|
unsigned char step = 0;
|
|
unsigned long mask = nsAttsSize - 1;
|
|
j = uriHash & mask; /* index into hash table */
|
|
while (nsAtts[j].version == version) {
|
|
/* for speed we compare stored hash values first */
|
|
if (uriHash == nsAtts[j].hash) {
|
|
const XML_Char *s1 = poolStart(&tempPool);
|
|
const XML_Char *s2 = nsAtts[j].uriName;
|
|
/* s1 is null terminated, but not s2 */
|
|
for (; *s1 == *s2 && *s1 != 0; s1++, s2++);
|
|
if (*s1 == 0)
|
|
return XML_ERROR_DUPLICATE_ATTRIBUTE;
|
|
}
|
|
if (!step)
|
|
step = PROBE_STEP(uriHash, mask, nsAttsPower);
|
|
j < step ? (j += nsAttsSize - step) : (j -= step);
|
|
}
|
|
}
|
|
|
|
if (ns_triplets) { /* append namespace separator and prefix */
|
|
tempPool.ptr[-1] = namespaceSeparator;
|
|
s = b->prefix->name;
|
|
do {
|
|
if (!poolAppendChar(&tempPool, *s))
|
|
return XML_ERROR_NO_MEMORY;
|
|
} while (*s++);
|
|
}
|
|
|
|
/* store expanded name in attribute list */
|
|
s = poolStart(&tempPool);
|
|
poolFinish(&tempPool);
|
|
appAtts[i] = s;
|
|
|
|
/* fill empty slot with new version, uriName and hash value */
|
|
nsAtts[j].version = version;
|
|
nsAtts[j].hash = uriHash;
|
|
nsAtts[j].uriName = s;
|
|
|
|
if (!--nPrefixes) {
|
|
i += 2;
|
|
break;
|
|
}
|
|
}
|
|
else /* not prefixed */
|
|
((XML_Char *)s)[-1] = 0; /* clear flag */
|
|
}
|
|
}
|
|
/* clear flags for the remaining attributes */
|
|
for (; i < attIndex; i += 2)
|
|
((XML_Char *)(appAtts[i]))[-1] = 0;
|
|
for (binding = *bindingsPtr; binding; binding = binding->nextTagBinding)
|
|
binding->attId->name[-1] = 0;
|
|
|
|
if (!ns)
|
|
return XML_ERROR_NONE;
|
|
|
|
/* expand the element type name */
|
|
if (elementType->prefix) {
|
|
binding = elementType->prefix->binding;
|
|
if (!binding)
|
|
return XML_ERROR_UNBOUND_PREFIX;
|
|
localPart = tagNamePtr->str;
|
|
while (*localPart++ != XML_T(ASCII_COLON))
|
|
;
|
|
}
|
|
else if (dtd->defaultPrefix.binding) {
|
|
binding = dtd->defaultPrefix.binding;
|
|
localPart = tagNamePtr->str;
|
|
}
|
|
else
|
|
return XML_ERROR_NONE;
|
|
prefixLen = 0;
|
|
if (ns_triplets && binding->prefix->name) {
|
|
for (; binding->prefix->name[prefixLen++];)
|
|
; /* prefixLen includes null terminator */
|
|
}
|
|
tagNamePtr->localPart = localPart;
|
|
tagNamePtr->uriLen = binding->uriLen;
|
|
tagNamePtr->prefix = binding->prefix->name;
|
|
tagNamePtr->prefixLen = prefixLen;
|
|
for (i = 0; localPart[i++];)
|
|
; /* i includes null terminator */
|
|
n = i + binding->uriLen + prefixLen;
|
|
if (n > binding->uriAlloc) {
|
|
TAG *p;
|
|
uri = (XML_Char *)MALLOC((n + EXPAND_SPARE) * sizeof(XML_Char));
|
|
if (!uri)
|
|
return XML_ERROR_NO_MEMORY;
|
|
binding->uriAlloc = n + EXPAND_SPARE;
|
|
memcpy(uri, binding->uri, binding->uriLen * sizeof(XML_Char));
|
|
for (p = tagStack; p; p = p->parent)
|
|
if (p->name.str == binding->uri)
|
|
p->name.str = uri;
|
|
FREE(binding->uri);
|
|
binding->uri = uri;
|
|
}
|
|
/* if namespaceSeparator != '\0' then uri includes it already */
|
|
uri = binding->uri + binding->uriLen;
|
|
memcpy(uri, localPart, i * sizeof(XML_Char));
|
|
/* we always have a namespace separator between localPart and prefix */
|
|
if (prefixLen) {
|
|
uri += i - 1;
|
|
*uri = namespaceSeparator; /* replace null terminator */
|
|
memcpy(uri + 1, binding->prefix->name, prefixLen * sizeof(XML_Char));
|
|
}
|
|
tagNamePtr->str = binding->uri;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
|
|
/* addBinding() overwrites the value of prefix->binding without checking.
|
|
Therefore one must keep track of the old value outside of addBinding().
|
|
*/
|
|
static enum XML_Error
|
|
addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
|
|
const XML_Char *uri, BINDING **bindingsPtr)
|
|
{
|
|
static const XML_Char xmlNamespace[] = {
|
|
ASCII_h, ASCII_t, ASCII_t, ASCII_p, ASCII_COLON, ASCII_SLASH, ASCII_SLASH,
|
|
ASCII_w, ASCII_w, ASCII_w, ASCII_PERIOD, ASCII_w, ASCII_3, ASCII_PERIOD,
|
|
ASCII_o, ASCII_r, ASCII_g, ASCII_SLASH, ASCII_X, ASCII_M, ASCII_L,
|
|
ASCII_SLASH, ASCII_1, ASCII_9, ASCII_9, ASCII_8, ASCII_SLASH,
|
|
ASCII_n, ASCII_a, ASCII_m, ASCII_e, ASCII_s, ASCII_p, ASCII_a, ASCII_c,
|
|
ASCII_e, '\0'
|
|
};
|
|
static const int xmlLen =
|
|
(int)sizeof(xmlNamespace)/sizeof(XML_Char) - 1;
|
|
static const XML_Char xmlnsNamespace[] = {
|
|
ASCII_h, ASCII_t, ASCII_t, ASCII_p, ASCII_COLON, ASCII_SLASH, ASCII_SLASH,
|
|
ASCII_w, ASCII_w, ASCII_w, ASCII_PERIOD, ASCII_w, ASCII_3, ASCII_PERIOD,
|
|
ASCII_o, ASCII_r, ASCII_g, ASCII_SLASH, ASCII_2, ASCII_0, ASCII_0,
|
|
ASCII_0, ASCII_SLASH, ASCII_x, ASCII_m, ASCII_l, ASCII_n, ASCII_s,
|
|
ASCII_SLASH, '\0'
|
|
};
|
|
static const int xmlnsLen =
|
|
(int)sizeof(xmlnsNamespace)/sizeof(XML_Char) - 1;
|
|
|
|
XML_Bool mustBeXML = XML_FALSE;
|
|
XML_Bool isXML = XML_TRUE;
|
|
XML_Bool isXMLNS = XML_TRUE;
|
|
|
|
BINDING *b;
|
|
int len;
|
|
|
|
/* empty URI is only valid for default namespace per XML NS 1.0 (not 1.1) */
|
|
if (*uri == XML_T('\0') && prefix->name)
|
|
return XML_ERROR_UNDECLARING_PREFIX;
|
|
|
|
if (prefix->name
|
|
&& prefix->name[0] == XML_T(ASCII_x)
|
|
&& prefix->name[1] == XML_T(ASCII_m)
|
|
&& prefix->name[2] == XML_T(ASCII_l)) {
|
|
|
|
/* Not allowed to bind xmlns */
|
|
if (prefix->name[3] == XML_T(ASCII_n)
|
|
&& prefix->name[4] == XML_T(ASCII_s)
|
|
&& prefix->name[5] == XML_T('\0'))
|
|
return XML_ERROR_RESERVED_PREFIX_XMLNS;
|
|
|
|
if (prefix->name[3] == XML_T('\0'))
|
|
mustBeXML = XML_TRUE;
|
|
}
|
|
|
|
for (len = 0; uri[len]; len++) {
|
|
if (isXML && (len > xmlLen || uri[len] != xmlNamespace[len]))
|
|
isXML = XML_FALSE;
|
|
|
|
if (!mustBeXML && isXMLNS
|
|
&& (len > xmlnsLen || uri[len] != xmlnsNamespace[len]))
|
|
isXMLNS = XML_FALSE;
|
|
}
|
|
isXML = isXML && len == xmlLen;
|
|
isXMLNS = isXMLNS && len == xmlnsLen;
|
|
|
|
if (mustBeXML != isXML)
|
|
return mustBeXML ? XML_ERROR_RESERVED_PREFIX_XML
|
|
: XML_ERROR_RESERVED_NAMESPACE_URI;
|
|
|
|
if (isXMLNS)
|
|
return XML_ERROR_RESERVED_NAMESPACE_URI;
|
|
|
|
if (namespaceSeparator)
|
|
len++;
|
|
if (freeBindingList) {
|
|
b = freeBindingList;
|
|
if (len > b->uriAlloc) {
|
|
XML_Char *temp = (XML_Char *)REALLOC(b->uri,
|
|
sizeof(XML_Char) * (len + EXPAND_SPARE));
|
|
if (temp == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
b->uri = temp;
|
|
b->uriAlloc = len + EXPAND_SPARE;
|
|
}
|
|
freeBindingList = b->nextTagBinding;
|
|
}
|
|
else {
|
|
b = (BINDING *)MALLOC(sizeof(BINDING));
|
|
if (!b)
|
|
return XML_ERROR_NO_MEMORY;
|
|
b->uri = (XML_Char *)MALLOC(sizeof(XML_Char) * (len + EXPAND_SPARE));
|
|
if (!b->uri) {
|
|
FREE(b);
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
b->uriAlloc = len + EXPAND_SPARE;
|
|
}
|
|
b->uriLen = len;
|
|
memcpy(b->uri, uri, len * sizeof(XML_Char));
|
|
if (namespaceSeparator)
|
|
b->uri[len - 1] = namespaceSeparator;
|
|
b->prefix = prefix;
|
|
b->attId = attId;
|
|
b->prevPrefixBinding = prefix->binding;
|
|
/* NULL binding when default namespace undeclared */
|
|
if (*uri == XML_T('\0') && prefix == &_dtd->defaultPrefix)
|
|
prefix->binding = NULL;
|
|
else
|
|
prefix->binding = b;
|
|
b->nextTagBinding = *bindingsPtr;
|
|
*bindingsPtr = b;
|
|
/* if attId == NULL then we are not starting a namespace scope */
|
|
if (attId && startNamespaceDeclHandler)
|
|
startNamespaceDeclHandler(handlerArg, prefix->name,
|
|
prefix->binding ? uri : 0);
|
|
return XML_ERROR_NONE;
|
|
}
|
|
|
|
/* The idea here is to avoid using stack for each CDATA section when
|
|
the whole file is parsed with one call.
|
|
*/
|
|
static enum XML_Error PTRCALL
|
|
cdataSectionProcessor(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
enum XML_Error result = doCdataSection(parser, encoding, &start, end,
|
|
endPtr, (XML_Bool)!ps_finalBuffer);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
if (start) {
|
|
if (parentParser) { /* we are parsing an external entity */
|
|
processor = externalEntityContentProcessor;
|
|
return externalEntityContentProcessor(parser, start, end, endPtr);
|
|
}
|
|
else {
|
|
processor = contentProcessor;
|
|
return contentProcessor(parser, start, end, endPtr);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* startPtr gets set to non-null if the section is closed, and to null if
|
|
the section is not yet closed.
|
|
*/
|
|
static enum XML_Error
|
|
doCdataSection(XML_Parser parser,
|
|
const ENCODING *enc,
|
|
const char **startPtr,
|
|
const char *end,
|
|
const char **nextPtr,
|
|
XML_Bool haveMore)
|
|
{
|
|
const char *s = *startPtr;
|
|
const char **eventPP;
|
|
const char **eventEndPP;
|
|
if (enc == encoding) {
|
|
eventPP = &eventPtr;
|
|
*eventPP = s;
|
|
eventEndPP = &eventEndPtr;
|
|
}
|
|
else {
|
|
eventPP = &(openInternalEntities->internalEventPtr);
|
|
eventEndPP = &(openInternalEntities->internalEventEndPtr);
|
|
}
|
|
*eventPP = s;
|
|
*startPtr = NULL;
|
|
|
|
for (;;) {
|
|
const char *next;
|
|
int tok = XmlCdataSectionTok(enc, s, end, &next);
|
|
*eventEndPP = next;
|
|
switch (tok) {
|
|
case XML_TOK_CDATA_SECT_CLOSE:
|
|
if (endCdataSectionHandler)
|
|
endCdataSectionHandler(handlerArg);
|
|
#if 0
|
|
/* see comment under XML_TOK_CDATA_SECT_OPEN */
|
|
else if (characterDataHandler)
|
|
characterDataHandler(handlerArg, dataBuf, 0);
|
|
#endif
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
*startPtr = next;
|
|
*nextPtr = next;
|
|
if (ps_parsing == XML_FINISHED)
|
|
return XML_ERROR_ABORTED;
|
|
else
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_DATA_NEWLINE:
|
|
if (characterDataHandler) {
|
|
XML_Char c = 0xA;
|
|
characterDataHandler(handlerArg, &c, 1);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
break;
|
|
case XML_TOK_DATA_CHARS:
|
|
{
|
|
XML_CharacterDataHandler charDataHandler = characterDataHandler;
|
|
if (charDataHandler) {
|
|
if (MUST_CONVERT(enc, s)) {
|
|
for (;;) {
|
|
ICHAR *dataPtr = (ICHAR *)dataBuf;
|
|
const enum XML_Convert_Result convert_res = XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd);
|
|
*eventEndPP = next;
|
|
charDataHandler(handlerArg, dataBuf,
|
|
(int)(dataPtr - (ICHAR *)dataBuf));
|
|
if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE))
|
|
break;
|
|
*eventPP = s;
|
|
}
|
|
}
|
|
else
|
|
charDataHandler(handlerArg,
|
|
(XML_Char *)s,
|
|
(int)((XML_Char *)next - (XML_Char *)s));
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
}
|
|
break;
|
|
case XML_TOK_INVALID:
|
|
*eventPP = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_PARTIAL:
|
|
case XML_TOK_NONE:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_UNCLOSED_CDATA_SECTION;
|
|
default:
|
|
*eventPP = next;
|
|
return XML_ERROR_UNEXPECTED_STATE;
|
|
}
|
|
|
|
*eventPP = s = next;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default: ;
|
|
}
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
#ifdef XML_DTD
|
|
|
|
/* The idea here is to avoid using stack for each IGNORE section when
|
|
the whole file is parsed with one call.
|
|
*/
|
|
static enum XML_Error PTRCALL
|
|
ignoreSectionProcessor(XML_Parser parser,
|
|
const char *start,
|
|
const char *end,
|
|
const char **endPtr)
|
|
{
|
|
enum XML_Error result = doIgnoreSection(parser, encoding, &start, end,
|
|
endPtr, (XML_Bool)!ps_finalBuffer);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
if (start) {
|
|
processor = prologProcessor;
|
|
return prologProcessor(parser, start, end, endPtr);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* startPtr gets set to non-null is the section is closed, and to null
|
|
if the section is not yet closed.
|
|
*/
|
|
static enum XML_Error
|
|
doIgnoreSection(XML_Parser parser,
|
|
const ENCODING *enc,
|
|
const char **startPtr,
|
|
const char *end,
|
|
const char **nextPtr,
|
|
XML_Bool haveMore)
|
|
{
|
|
const char *next;
|
|
int tok;
|
|
const char *s = *startPtr;
|
|
const char **eventPP;
|
|
const char **eventEndPP;
|
|
if (enc == encoding) {
|
|
eventPP = &eventPtr;
|
|
*eventPP = s;
|
|
eventEndPP = &eventEndPtr;
|
|
}
|
|
else {
|
|
eventPP = &(openInternalEntities->internalEventPtr);
|
|
eventEndPP = &(openInternalEntities->internalEventEndPtr);
|
|
}
|
|
*eventPP = s;
|
|
*startPtr = NULL;
|
|
tok = XmlIgnoreSectionTok(enc, s, end, &next);
|
|
*eventEndPP = next;
|
|
switch (tok) {
|
|
case XML_TOK_IGNORE_SECT:
|
|
if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
*startPtr = next;
|
|
*nextPtr = next;
|
|
if (ps_parsing == XML_FINISHED)
|
|
return XML_ERROR_ABORTED;
|
|
else
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_INVALID:
|
|
*eventPP = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_PARTIAL:
|
|
case XML_TOK_NONE:
|
|
if (haveMore) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_SYNTAX; /* XML_ERROR_UNCLOSED_IGNORE_SECTION */
|
|
default:
|
|
*eventPP = next;
|
|
return XML_ERROR_UNEXPECTED_STATE;
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
#endif /* XML_DTD */
|
|
|
|
static enum XML_Error
|
|
initializeEncoding(XML_Parser parser)
|
|
{
|
|
const char *s;
|
|
#ifdef XML_UNICODE
|
|
char encodingBuf[128];
|
|
if (!protocolEncodingName)
|
|
s = NULL;
|
|
else {
|
|
int i;
|
|
for (i = 0; protocolEncodingName[i]; i++) {
|
|
if (i == sizeof(encodingBuf) - 1
|
|
|| (protocolEncodingName[i] & ~0x7f) != 0) {
|
|
encodingBuf[0] = '\0';
|
|
break;
|
|
}
|
|
encodingBuf[i] = (char)protocolEncodingName[i];
|
|
}
|
|
encodingBuf[i] = '\0';
|
|
s = encodingBuf;
|
|
}
|
|
#else
|
|
s = protocolEncodingName;
|
|
#endif
|
|
if ((ns ? XmlInitEncodingNS : XmlInitEncoding)(&initEncoding, &encoding, s))
|
|
return XML_ERROR_NONE;
|
|
return handleUnknownEncoding(parser, protocolEncodingName);
|
|
}
|
|
|
|
static enum XML_Error
|
|
processXmlDecl(XML_Parser parser, int isGeneralTextEntity,
|
|
const char *s, const char *next)
|
|
{
|
|
const char *encodingName = NULL;
|
|
const XML_Char *storedEncName = NULL;
|
|
const ENCODING *newEncoding = NULL;
|
|
const char *version = NULL;
|
|
const char *versionend;
|
|
const XML_Char *storedversion = NULL;
|
|
int standalone = -1;
|
|
if (!(ns
|
|
? XmlParseXmlDeclNS
|
|
: XmlParseXmlDecl)(isGeneralTextEntity,
|
|
encoding,
|
|
s,
|
|
next,
|
|
&eventPtr,
|
|
&version,
|
|
&versionend,
|
|
&encodingName,
|
|
&newEncoding,
|
|
&standalone)) {
|
|
if (isGeneralTextEntity)
|
|
return XML_ERROR_TEXT_DECL;
|
|
else
|
|
return XML_ERROR_XML_DECL;
|
|
}
|
|
if (!isGeneralTextEntity && standalone == 1) {
|
|
_dtd->standalone = XML_TRUE;
|
|
#ifdef XML_DTD
|
|
if (paramEntityParsing == XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE)
|
|
paramEntityParsing = XML_PARAM_ENTITY_PARSING_NEVER;
|
|
#endif /* XML_DTD */
|
|
}
|
|
if (xmlDeclHandler) {
|
|
if (encodingName != NULL) {
|
|
storedEncName = poolStoreString(&temp2Pool,
|
|
encoding,
|
|
encodingName,
|
|
encodingName
|
|
+ XmlNameLength(encoding, encodingName));
|
|
if (!storedEncName)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&temp2Pool);
|
|
}
|
|
if (version) {
|
|
storedversion = poolStoreString(&temp2Pool,
|
|
encoding,
|
|
version,
|
|
versionend - encoding->minBytesPerChar);
|
|
if (!storedversion)
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
xmlDeclHandler(handlerArg, storedversion, storedEncName, standalone);
|
|
}
|
|
else if (defaultHandler)
|
|
reportDefault(parser, encoding, s, next);
|
|
if (protocolEncodingName == NULL) {
|
|
if (newEncoding) {
|
|
if (newEncoding->minBytesPerChar != encoding->minBytesPerChar) {
|
|
eventPtr = encodingName;
|
|
return XML_ERROR_INCORRECT_ENCODING;
|
|
}
|
|
encoding = newEncoding;
|
|
}
|
|
else if (encodingName) {
|
|
enum XML_Error result;
|
|
if (!storedEncName) {
|
|
storedEncName = poolStoreString(
|
|
&temp2Pool, encoding, encodingName,
|
|
encodingName + XmlNameLength(encoding, encodingName));
|
|
if (!storedEncName)
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
result = handleUnknownEncoding(parser, storedEncName);
|
|
poolClear(&temp2Pool);
|
|
if (result == XML_ERROR_UNKNOWN_ENCODING)
|
|
eventPtr = encodingName;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if (storedEncName || storedversion)
|
|
poolClear(&temp2Pool);
|
|
|
|
return XML_ERROR_NONE;
|
|
}
|
|
|
|
static enum XML_Error
|
|
handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName)
|
|
{
|
|
if (unknownEncodingHandler) {
|
|
XML_Encoding info;
|
|
int i;
|
|
for (i = 0; i < 256; i++)
|
|
info.map[i] = -1;
|
|
info.convert = NULL;
|
|
info.data = NULL;
|
|
info.release = NULL;
|
|
if (unknownEncodingHandler(unknownEncodingHandlerData, encodingName,
|
|
&info)) {
|
|
ENCODING *enc;
|
|
unknownEncodingMem = MALLOC(XmlSizeOfUnknownEncoding());
|
|
if (!unknownEncodingMem) {
|
|
if (info.release)
|
|
info.release(info.data);
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
enc = (ns
|
|
? XmlInitUnknownEncodingNS
|
|
: XmlInitUnknownEncoding)(unknownEncodingMem,
|
|
info.map,
|
|
info.convert,
|
|
info.data);
|
|
if (enc) {
|
|
unknownEncodingData = info.data;
|
|
unknownEncodingRelease = info.release;
|
|
encoding = enc;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
}
|
|
if (info.release != NULL)
|
|
info.release(info.data);
|
|
}
|
|
return XML_ERROR_UNKNOWN_ENCODING;
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
prologInitProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
enum XML_Error result = initializeEncoding(parser);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
processor = prologProcessor;
|
|
return prologProcessor(parser, s, end, nextPtr);
|
|
}
|
|
|
|
#ifdef XML_DTD
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalParEntInitProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
enum XML_Error result = initializeEncoding(parser);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
|
|
/* we know now that XML_Parse(Buffer) has been called,
|
|
so we consider the external parameter entity read */
|
|
_dtd->paramEntityRead = XML_TRUE;
|
|
|
|
if (prologState.inEntityValue) {
|
|
processor = entityValueInitProcessor;
|
|
return entityValueInitProcessor(parser, s, end, nextPtr);
|
|
}
|
|
else {
|
|
processor = externalParEntProcessor;
|
|
return externalParEntProcessor(parser, s, end, nextPtr);
|
|
}
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
entityValueInitProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
int tok;
|
|
const char *start = s;
|
|
const char *next = start;
|
|
eventPtr = start;
|
|
|
|
for (;;) {
|
|
tok = XmlPrologTok(encoding, start, end, &next);
|
|
eventEndPtr = next;
|
|
if (tok <= 0) {
|
|
if (!ps_finalBuffer && tok != XML_TOK_INVALID) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
switch (tok) {
|
|
case XML_TOK_INVALID:
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_NONE: /* start == end */
|
|
default:
|
|
break;
|
|
}
|
|
/* found end of entity value - can store it now */
|
|
return storeEntityValue(parser, encoding, s, end);
|
|
}
|
|
else if (tok == XML_TOK_XML_DECL) {
|
|
enum XML_Error result;
|
|
result = processXmlDecl(parser, 0, start, next);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default:
|
|
*nextPtr = next;
|
|
}
|
|
/* stop scanning for text declaration - we found one */
|
|
processor = entityValueProcessor;
|
|
return entityValueProcessor(parser, next, end, nextPtr);
|
|
}
|
|
/* If we are at the end of the buffer, this would cause XmlPrologTok to
|
|
return XML_TOK_NONE on the next call, which would then cause the
|
|
function to exit with *nextPtr set to s - that is what we want for other
|
|
tokens, but not for the BOM - we would rather like to skip it;
|
|
then, when this routine is entered the next time, XmlPrologTok will
|
|
return XML_TOK_INVALID, since the BOM is still in the buffer
|
|
*/
|
|
else if (tok == XML_TOK_BOM && next == end && !ps_finalBuffer) {
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
/* If we get this token, we have the start of what might be a
|
|
normal tag, but not a declaration (i.e. it doesn't begin with
|
|
"<!"). In a DTD context, that isn't legal.
|
|
*/
|
|
else if (tok == XML_TOK_INSTANCE_START) {
|
|
*nextPtr = next;
|
|
return XML_ERROR_SYNTAX;
|
|
}
|
|
start = next;
|
|
eventPtr = start;
|
|
}
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
externalParEntProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
const char *next = s;
|
|
int tok;
|
|
|
|
tok = XmlPrologTok(encoding, s, end, &next);
|
|
if (tok <= 0) {
|
|
if (!ps_finalBuffer && tok != XML_TOK_INVALID) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
switch (tok) {
|
|
case XML_TOK_INVALID:
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_NONE: /* start == end */
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
/* This would cause the next stage, i.e. doProlog to be passed XML_TOK_BOM.
|
|
However, when parsing an external subset, doProlog will not accept a BOM
|
|
as valid, and report a syntax error, so we have to skip the BOM
|
|
*/
|
|
else if (tok == XML_TOK_BOM) {
|
|
s = next;
|
|
tok = XmlPrologTok(encoding, s, end, &next);
|
|
}
|
|
|
|
processor = prologProcessor;
|
|
return doProlog(parser, encoding, s, end, tok, next,
|
|
nextPtr, (XML_Bool)!ps_finalBuffer);
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
entityValueProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
const char *start = s;
|
|
const char *next = s;
|
|
const ENCODING *enc = encoding;
|
|
int tok;
|
|
|
|
for (;;) {
|
|
tok = XmlPrologTok(enc, start, end, &next);
|
|
if (tok <= 0) {
|
|
if (!ps_finalBuffer && tok != XML_TOK_INVALID) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
switch (tok) {
|
|
case XML_TOK_INVALID:
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case XML_TOK_NONE: /* start == end */
|
|
default:
|
|
break;
|
|
}
|
|
/* found end of entity value - can store it now */
|
|
return storeEntityValue(parser, enc, s, end);
|
|
}
|
|
start = next;
|
|
}
|
|
}
|
|
|
|
#endif /* XML_DTD */
|
|
|
|
static enum XML_Error PTRCALL
|
|
prologProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
const char *next = s;
|
|
int tok = XmlPrologTok(encoding, s, end, &next);
|
|
return doProlog(parser, encoding, s, end, tok, next,
|
|
nextPtr, (XML_Bool)!ps_finalBuffer);
|
|
}
|
|
|
|
static enum XML_Error
|
|
doProlog(XML_Parser parser,
|
|
const ENCODING *enc,
|
|
const char *s,
|
|
const char *end,
|
|
int tok,
|
|
const char *next,
|
|
const char **nextPtr,
|
|
XML_Bool haveMore)
|
|
{
|
|
#ifdef XML_DTD
|
|
static const XML_Char externalSubsetName[] = { ASCII_HASH , '\0' };
|
|
#endif /* XML_DTD */
|
|
static const XML_Char atypeCDATA[] =
|
|
{ ASCII_C, ASCII_D, ASCII_A, ASCII_T, ASCII_A, '\0' };
|
|
static const XML_Char atypeID[] = { ASCII_I, ASCII_D, '\0' };
|
|
static const XML_Char atypeIDREF[] =
|
|
{ ASCII_I, ASCII_D, ASCII_R, ASCII_E, ASCII_F, '\0' };
|
|
static const XML_Char atypeIDREFS[] =
|
|
{ ASCII_I, ASCII_D, ASCII_R, ASCII_E, ASCII_F, ASCII_S, '\0' };
|
|
static const XML_Char atypeENTITY[] =
|
|
{ ASCII_E, ASCII_N, ASCII_T, ASCII_I, ASCII_T, ASCII_Y, '\0' };
|
|
static const XML_Char atypeENTITIES[] = { ASCII_E, ASCII_N,
|
|
ASCII_T, ASCII_I, ASCII_T, ASCII_I, ASCII_E, ASCII_S, '\0' };
|
|
static const XML_Char atypeNMTOKEN[] = {
|
|
ASCII_N, ASCII_M, ASCII_T, ASCII_O, ASCII_K, ASCII_E, ASCII_N, '\0' };
|
|
static const XML_Char atypeNMTOKENS[] = { ASCII_N, ASCII_M, ASCII_T,
|
|
ASCII_O, ASCII_K, ASCII_E, ASCII_N, ASCII_S, '\0' };
|
|
static const XML_Char notationPrefix[] = { ASCII_N, ASCII_O, ASCII_T,
|
|
ASCII_A, ASCII_T, ASCII_I, ASCII_O, ASCII_N, ASCII_LPAREN, '\0' };
|
|
static const XML_Char enumValueSep[] = { ASCII_PIPE, '\0' };
|
|
static const XML_Char enumValueStart[] = { ASCII_LPAREN, '\0' };
|
|
|
|
/* save one level of indirection */
|
|
DTD * const dtd = _dtd;
|
|
|
|
const char **eventPP;
|
|
const char **eventEndPP;
|
|
enum XML_Content_Quant quant;
|
|
|
|
if (enc == encoding) {
|
|
eventPP = &eventPtr;
|
|
eventEndPP = &eventEndPtr;
|
|
}
|
|
else {
|
|
eventPP = &(openInternalEntities->internalEventPtr);
|
|
eventEndPP = &(openInternalEntities->internalEventEndPtr);
|
|
}
|
|
|
|
for (;;) {
|
|
int role;
|
|
XML_Bool handleDefault = XML_TRUE;
|
|
*eventPP = s;
|
|
*eventEndPP = next;
|
|
if (tok <= 0) {
|
|
if (haveMore && tok != XML_TOK_INVALID) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
switch (tok) {
|
|
case XML_TOK_INVALID:
|
|
*eventPP = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
case -XML_TOK_PROLOG_S:
|
|
tok = -tok;
|
|
break;
|
|
case XML_TOK_NONE:
|
|
#ifdef XML_DTD
|
|
/* for internal PE NOT referenced between declarations */
|
|
if (enc != encoding && !openInternalEntities->betweenDecl) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
/* WFC: PE Between Declarations - must check that PE contains
|
|
complete markup, not only for external PEs, but also for
|
|
internal PEs if the reference occurs between declarations.
|
|
*/
|
|
if (isParamEntity || enc != encoding) {
|
|
if (XmlTokenRole(&prologState, XML_TOK_NONE, end, end, enc)
|
|
== XML_ROLE_ERROR)
|
|
return XML_ERROR_INCOMPLETE_PE;
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
#endif /* XML_DTD */
|
|
return XML_ERROR_NO_ELEMENTS;
|
|
default:
|
|
tok = -tok;
|
|
next = end;
|
|
break;
|
|
}
|
|
}
|
|
role = XmlTokenRole(&prologState, tok, s, next, enc);
|
|
switch (role) {
|
|
case XML_ROLE_XML_DECL:
|
|
{
|
|
enum XML_Error result = processXmlDecl(parser, 0, s, next);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
enc = encoding;
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_DOCTYPE_NAME:
|
|
if (startDoctypeDeclHandler) {
|
|
doctypeName = poolStoreString(&tempPool, enc, s, next);
|
|
if (!doctypeName)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&tempPool);
|
|
doctypePubid = NULL;
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
doctypeSysid = NULL; /* always initialize to NULL */
|
|
break;
|
|
case XML_ROLE_DOCTYPE_INTERNAL_SUBSET:
|
|
if (startDoctypeDeclHandler) {
|
|
startDoctypeDeclHandler(handlerArg, doctypeName, doctypeSysid,
|
|
doctypePubid, 1);
|
|
doctypeName = NULL;
|
|
poolClear(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
#ifdef XML_DTD
|
|
case XML_ROLE_TEXT_DECL:
|
|
{
|
|
enum XML_Error result = processXmlDecl(parser, 1, s, next);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
enc = encoding;
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
#endif /* XML_DTD */
|
|
case XML_ROLE_DOCTYPE_PUBLIC_ID:
|
|
#ifdef XML_DTD
|
|
useForeignDTD = XML_FALSE;
|
|
declEntity = (ENTITY *)lookup(parser,
|
|
&dtd->paramEntities,
|
|
externalSubsetName,
|
|
sizeof(ENTITY));
|
|
if (!declEntity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
#endif /* XML_DTD */
|
|
dtd->hasParamEntityRefs = XML_TRUE;
|
|
if (startDoctypeDeclHandler) {
|
|
XML_Char *pubId;
|
|
if (!XmlIsPublicId(enc, s, next, eventPP))
|
|
return XML_ERROR_PUBLICID;
|
|
pubId = poolStoreString(&tempPool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!pubId)
|
|
return XML_ERROR_NO_MEMORY;
|
|
normalizePublicId(pubId);
|
|
poolFinish(&tempPool);
|
|
doctypePubid = pubId;
|
|
handleDefault = XML_FALSE;
|
|
goto alreadyChecked;
|
|
}
|
|
/* fall through */
|
|
case XML_ROLE_ENTITY_PUBLIC_ID:
|
|
if (!XmlIsPublicId(enc, s, next, eventPP))
|
|
return XML_ERROR_PUBLICID;
|
|
alreadyChecked:
|
|
if (dtd->keepProcessing && declEntity) {
|
|
XML_Char *tem = poolStoreString(&dtd->pool,
|
|
enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!tem)
|
|
return XML_ERROR_NO_MEMORY;
|
|
normalizePublicId(tem);
|
|
declEntity->publicId = tem;
|
|
poolFinish(&dtd->pool);
|
|
if (entityDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_DOCTYPE_CLOSE:
|
|
if (doctypeName) {
|
|
startDoctypeDeclHandler(handlerArg, doctypeName,
|
|
doctypeSysid, doctypePubid, 0);
|
|
poolClear(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
/* doctypeSysid will be non-NULL in the case of a previous
|
|
XML_ROLE_DOCTYPE_SYSTEM_ID, even if startDoctypeDeclHandler
|
|
was not set, indicating an external subset
|
|
*/
|
|
#ifdef XML_DTD
|
|
if (doctypeSysid || useForeignDTD) {
|
|
XML_Bool hadParamEntityRefs = dtd->hasParamEntityRefs;
|
|
dtd->hasParamEntityRefs = XML_TRUE;
|
|
if (paramEntityParsing && externalEntityRefHandler) {
|
|
ENTITY *entity = (ENTITY *)lookup(parser,
|
|
&dtd->paramEntities,
|
|
externalSubsetName,
|
|
sizeof(ENTITY));
|
|
if (!entity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (useForeignDTD)
|
|
entity->base = curBase;
|
|
dtd->paramEntityRead = XML_FALSE;
|
|
if (!externalEntityRefHandler(externalEntityRefHandlerArg,
|
|
0,
|
|
entity->base,
|
|
entity->systemId,
|
|
entity->publicId))
|
|
return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
|
|
if (dtd->paramEntityRead) {
|
|
if (!dtd->standalone &&
|
|
notStandaloneHandler &&
|
|
!notStandaloneHandler(handlerArg))
|
|
return XML_ERROR_NOT_STANDALONE;
|
|
}
|
|
/* if we didn't read the foreign DTD then this means that there
|
|
is no external subset and we must reset dtd->hasParamEntityRefs
|
|
*/
|
|
else if (!doctypeSysid)
|
|
dtd->hasParamEntityRefs = hadParamEntityRefs;
|
|
/* end of DTD - no need to update dtd->keepProcessing */
|
|
}
|
|
useForeignDTD = XML_FALSE;
|
|
}
|
|
#endif /* XML_DTD */
|
|
if (endDoctypeDeclHandler) {
|
|
endDoctypeDeclHandler(handlerArg);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_INSTANCE_START:
|
|
#ifdef XML_DTD
|
|
/* if there is no DOCTYPE declaration then now is the
|
|
last chance to read the foreign DTD
|
|
*/
|
|
if (useForeignDTD) {
|
|
XML_Bool hadParamEntityRefs = dtd->hasParamEntityRefs;
|
|
dtd->hasParamEntityRefs = XML_TRUE;
|
|
if (paramEntityParsing && externalEntityRefHandler) {
|
|
ENTITY *entity = (ENTITY *)lookup(parser, &dtd->paramEntities,
|
|
externalSubsetName,
|
|
sizeof(ENTITY));
|
|
if (!entity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
entity->base = curBase;
|
|
dtd->paramEntityRead = XML_FALSE;
|
|
if (!externalEntityRefHandler(externalEntityRefHandlerArg,
|
|
0,
|
|
entity->base,
|
|
entity->systemId,
|
|
entity->publicId))
|
|
return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
|
|
if (dtd->paramEntityRead) {
|
|
if (!dtd->standalone &&
|
|
notStandaloneHandler &&
|
|
!notStandaloneHandler(handlerArg))
|
|
return XML_ERROR_NOT_STANDALONE;
|
|
}
|
|
/* if we didn't read the foreign DTD then this means that there
|
|
is no external subset and we must reset dtd->hasParamEntityRefs
|
|
*/
|
|
else
|
|
dtd->hasParamEntityRefs = hadParamEntityRefs;
|
|
/* end of DTD - no need to update dtd->keepProcessing */
|
|
}
|
|
}
|
|
#endif /* XML_DTD */
|
|
processor = contentProcessor;
|
|
return contentProcessor(parser, s, end, nextPtr);
|
|
case XML_ROLE_ATTLIST_ELEMENT_NAME:
|
|
declElementType = getElementType(parser, enc, s, next);
|
|
if (!declElementType)
|
|
return XML_ERROR_NO_MEMORY;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_NAME:
|
|
declAttributeId = getAttributeId(parser, enc, s, next);
|
|
if (!declAttributeId)
|
|
return XML_ERROR_NO_MEMORY;
|
|
declAttributeIsCdata = XML_FALSE;
|
|
declAttributeType = NULL;
|
|
declAttributeIsId = XML_FALSE;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_CDATA:
|
|
declAttributeIsCdata = XML_TRUE;
|
|
declAttributeType = atypeCDATA;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_ID:
|
|
declAttributeIsId = XML_TRUE;
|
|
declAttributeType = atypeID;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_IDREF:
|
|
declAttributeType = atypeIDREF;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_IDREFS:
|
|
declAttributeType = atypeIDREFS;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_ENTITY:
|
|
declAttributeType = atypeENTITY;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_ENTITIES:
|
|
declAttributeType = atypeENTITIES;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_NMTOKEN:
|
|
declAttributeType = atypeNMTOKEN;
|
|
goto checkAttListDeclHandler;
|
|
case XML_ROLE_ATTRIBUTE_TYPE_NMTOKENS:
|
|
declAttributeType = atypeNMTOKENS;
|
|
checkAttListDeclHandler:
|
|
if (dtd->keepProcessing && attlistDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_ATTRIBUTE_ENUM_VALUE:
|
|
case XML_ROLE_ATTRIBUTE_NOTATION_VALUE:
|
|
if (dtd->keepProcessing && attlistDeclHandler) {
|
|
const XML_Char *prefix;
|
|
if (declAttributeType) {
|
|
prefix = enumValueSep;
|
|
}
|
|
else {
|
|
prefix = (role == XML_ROLE_ATTRIBUTE_NOTATION_VALUE
|
|
? notationPrefix
|
|
: enumValueStart);
|
|
}
|
|
if (!poolAppendString(&tempPool, prefix))
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (!poolAppend(&tempPool, enc, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
declAttributeType = tempPool.start;
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_IMPLIED_ATTRIBUTE_VALUE:
|
|
case XML_ROLE_REQUIRED_ATTRIBUTE_VALUE:
|
|
if (dtd->keepProcessing) {
|
|
if (!defineAttribute(declElementType, declAttributeId,
|
|
declAttributeIsCdata, declAttributeIsId,
|
|
0, parser))
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (attlistDeclHandler && declAttributeType) {
|
|
if (*declAttributeType == XML_T(ASCII_LPAREN)
|
|
|| (*declAttributeType == XML_T(ASCII_N)
|
|
&& declAttributeType[1] == XML_T(ASCII_O))) {
|
|
/* Enumerated or Notation type */
|
|
if (!poolAppendChar(&tempPool, XML_T(ASCII_RPAREN))
|
|
|| !poolAppendChar(&tempPool, XML_T('\0')))
|
|
return XML_ERROR_NO_MEMORY;
|
|
declAttributeType = tempPool.start;
|
|
poolFinish(&tempPool);
|
|
}
|
|
*eventEndPP = s;
|
|
attlistDeclHandler(handlerArg, declElementType->name,
|
|
declAttributeId->name, declAttributeType,
|
|
0, role == XML_ROLE_REQUIRED_ATTRIBUTE_VALUE);
|
|
poolClear(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
break;
|
|
case XML_ROLE_DEFAULT_ATTRIBUTE_VALUE:
|
|
case XML_ROLE_FIXED_ATTRIBUTE_VALUE:
|
|
if (dtd->keepProcessing) {
|
|
const XML_Char *attVal;
|
|
enum XML_Error result =
|
|
storeAttributeValue(parser, enc, declAttributeIsCdata,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar,
|
|
&dtd->pool);
|
|
if (result)
|
|
return result;
|
|
attVal = poolStart(&dtd->pool);
|
|
poolFinish(&dtd->pool);
|
|
/* ID attributes aren't allowed to have a default */
|
|
if (!defineAttribute(declElementType, declAttributeId,
|
|
declAttributeIsCdata, XML_FALSE, attVal, parser))
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (attlistDeclHandler && declAttributeType) {
|
|
if (*declAttributeType == XML_T(ASCII_LPAREN)
|
|
|| (*declAttributeType == XML_T(ASCII_N)
|
|
&& declAttributeType[1] == XML_T(ASCII_O))) {
|
|
/* Enumerated or Notation type */
|
|
if (!poolAppendChar(&tempPool, XML_T(ASCII_RPAREN))
|
|
|| !poolAppendChar(&tempPool, XML_T('\0')))
|
|
return XML_ERROR_NO_MEMORY;
|
|
declAttributeType = tempPool.start;
|
|
poolFinish(&tempPool);
|
|
}
|
|
*eventEndPP = s;
|
|
attlistDeclHandler(handlerArg, declElementType->name,
|
|
declAttributeId->name, declAttributeType,
|
|
attVal,
|
|
role == XML_ROLE_FIXED_ATTRIBUTE_VALUE);
|
|
poolClear(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
break;
|
|
case XML_ROLE_ENTITY_VALUE:
|
|
if (dtd->keepProcessing) {
|
|
enum XML_Error result = storeEntityValue(parser, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (declEntity) {
|
|
declEntity->textPtr = poolStart(&dtd->entityValuePool);
|
|
declEntity->textLen = (int)(poolLength(&dtd->entityValuePool));
|
|
poolFinish(&dtd->entityValuePool);
|
|
if (entityDeclHandler) {
|
|
*eventEndPP = s;
|
|
entityDeclHandler(handlerArg,
|
|
declEntity->name,
|
|
declEntity->is_param,
|
|
declEntity->textPtr,
|
|
declEntity->textLen,
|
|
curBase, 0, 0, 0);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
else
|
|
poolDiscard(&dtd->entityValuePool);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
}
|
|
break;
|
|
case XML_ROLE_DOCTYPE_SYSTEM_ID:
|
|
#ifdef XML_DTD
|
|
useForeignDTD = XML_FALSE;
|
|
#endif /* XML_DTD */
|
|
dtd->hasParamEntityRefs = XML_TRUE;
|
|
if (startDoctypeDeclHandler) {
|
|
doctypeSysid = poolStoreString(&tempPool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (doctypeSysid == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
#ifdef XML_DTD
|
|
else
|
|
/* use externalSubsetName to make doctypeSysid non-NULL
|
|
for the case where no startDoctypeDeclHandler is set */
|
|
doctypeSysid = externalSubsetName;
|
|
#endif /* XML_DTD */
|
|
if (!dtd->standalone
|
|
#ifdef XML_DTD
|
|
&& !paramEntityParsing
|
|
#endif /* XML_DTD */
|
|
&& notStandaloneHandler
|
|
&& !notStandaloneHandler(handlerArg))
|
|
return XML_ERROR_NOT_STANDALONE;
|
|
#ifndef XML_DTD
|
|
break;
|
|
#else /* XML_DTD */
|
|
if (!declEntity) {
|
|
declEntity = (ENTITY *)lookup(parser,
|
|
&dtd->paramEntities,
|
|
externalSubsetName,
|
|
sizeof(ENTITY));
|
|
if (!declEntity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
declEntity->publicId = NULL;
|
|
}
|
|
/* fall through */
|
|
#endif /* XML_DTD */
|
|
case XML_ROLE_ENTITY_SYSTEM_ID:
|
|
if (dtd->keepProcessing && declEntity) {
|
|
declEntity->systemId = poolStoreString(&dtd->pool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!declEntity->systemId)
|
|
return XML_ERROR_NO_MEMORY;
|
|
declEntity->base = curBase;
|
|
poolFinish(&dtd->pool);
|
|
if (entityDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_ENTITY_COMPLETE:
|
|
if (dtd->keepProcessing && declEntity && entityDeclHandler) {
|
|
*eventEndPP = s;
|
|
entityDeclHandler(handlerArg,
|
|
declEntity->name,
|
|
declEntity->is_param,
|
|
0,0,
|
|
declEntity->base,
|
|
declEntity->systemId,
|
|
declEntity->publicId,
|
|
0);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_ENTITY_NOTATION_NAME:
|
|
if (dtd->keepProcessing && declEntity) {
|
|
declEntity->notation = poolStoreString(&dtd->pool, enc, s, next);
|
|
if (!declEntity->notation)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&dtd->pool);
|
|
if (unparsedEntityDeclHandler) {
|
|
*eventEndPP = s;
|
|
unparsedEntityDeclHandler(handlerArg,
|
|
declEntity->name,
|
|
declEntity->base,
|
|
declEntity->systemId,
|
|
declEntity->publicId,
|
|
declEntity->notation);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
else if (entityDeclHandler) {
|
|
*eventEndPP = s;
|
|
entityDeclHandler(handlerArg,
|
|
declEntity->name,
|
|
0,0,0,
|
|
declEntity->base,
|
|
declEntity->systemId,
|
|
declEntity->publicId,
|
|
declEntity->notation);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
break;
|
|
case XML_ROLE_GENERAL_ENTITY_NAME:
|
|
{
|
|
if (XmlPredefinedEntityName(enc, s, next)) {
|
|
declEntity = NULL;
|
|
break;
|
|
}
|
|
if (dtd->keepProcessing) {
|
|
const XML_Char *name = poolStoreString(&dtd->pool, enc, s, next);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
declEntity = (ENTITY *)lookup(parser, &dtd->generalEntities, name,
|
|
sizeof(ENTITY));
|
|
if (!declEntity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (declEntity->name != name) {
|
|
poolDiscard(&dtd->pool);
|
|
declEntity = NULL;
|
|
}
|
|
else {
|
|
poolFinish(&dtd->pool);
|
|
declEntity->publicId = NULL;
|
|
declEntity->is_param = XML_FALSE;
|
|
/* if we have a parent parser or are reading an internal parameter
|
|
entity, then the entity declaration is not considered "internal"
|
|
*/
|
|
declEntity->is_internal = !(parentParser || openInternalEntities);
|
|
if (entityDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
else {
|
|
poolDiscard(&dtd->pool);
|
|
declEntity = NULL;
|
|
}
|
|
}
|
|
break;
|
|
case XML_ROLE_PARAM_ENTITY_NAME:
|
|
#ifdef XML_DTD
|
|
if (dtd->keepProcessing) {
|
|
const XML_Char *name = poolStoreString(&dtd->pool, enc, s, next);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
declEntity = (ENTITY *)lookup(parser, &dtd->paramEntities,
|
|
name, sizeof(ENTITY));
|
|
if (!declEntity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
if (declEntity->name != name) {
|
|
poolDiscard(&dtd->pool);
|
|
declEntity = NULL;
|
|
}
|
|
else {
|
|
poolFinish(&dtd->pool);
|
|
declEntity->publicId = NULL;
|
|
declEntity->is_param = XML_TRUE;
|
|
/* if we have a parent parser or are reading an internal parameter
|
|
entity, then the entity declaration is not considered "internal"
|
|
*/
|
|
declEntity->is_internal = !(parentParser || openInternalEntities);
|
|
if (entityDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
}
|
|
else {
|
|
poolDiscard(&dtd->pool);
|
|
declEntity = NULL;
|
|
}
|
|
#else /* not XML_DTD */
|
|
declEntity = NULL;
|
|
#endif /* XML_DTD */
|
|
break;
|
|
case XML_ROLE_NOTATION_NAME:
|
|
declNotationPublicId = NULL;
|
|
declNotationName = NULL;
|
|
if (notationDeclHandler) {
|
|
declNotationName = poolStoreString(&tempPool, enc, s, next);
|
|
if (!declNotationName)
|
|
return XML_ERROR_NO_MEMORY;
|
|
poolFinish(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_NOTATION_PUBLIC_ID:
|
|
if (!XmlIsPublicId(enc, s, next, eventPP))
|
|
return XML_ERROR_PUBLICID;
|
|
if (declNotationName) { /* means notationDeclHandler != NULL */
|
|
XML_Char *tem = poolStoreString(&tempPool,
|
|
enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!tem)
|
|
return XML_ERROR_NO_MEMORY;
|
|
normalizePublicId(tem);
|
|
declNotationPublicId = tem;
|
|
poolFinish(&tempPool);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_NOTATION_SYSTEM_ID:
|
|
if (declNotationName && notationDeclHandler) {
|
|
const XML_Char *systemId
|
|
= poolStoreString(&tempPool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!systemId)
|
|
return XML_ERROR_NO_MEMORY;
|
|
*eventEndPP = s;
|
|
notationDeclHandler(handlerArg,
|
|
declNotationName,
|
|
curBase,
|
|
systemId,
|
|
declNotationPublicId);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
poolClear(&tempPool);
|
|
break;
|
|
case XML_ROLE_NOTATION_NO_SYSTEM_ID:
|
|
if (declNotationPublicId && notationDeclHandler) {
|
|
*eventEndPP = s;
|
|
notationDeclHandler(handlerArg,
|
|
declNotationName,
|
|
curBase,
|
|
0,
|
|
declNotationPublicId);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
poolClear(&tempPool);
|
|
break;
|
|
case XML_ROLE_ERROR:
|
|
switch (tok) {
|
|
case XML_TOK_PARAM_ENTITY_REF:
|
|
/* PE references in internal subset are
|
|
not allowed within declarations. */
|
|
return XML_ERROR_PARAM_ENTITY_REF;
|
|
case XML_TOK_XML_DECL:
|
|
return XML_ERROR_MISPLACED_XML_PI;
|
|
default:
|
|
return XML_ERROR_SYNTAX;
|
|
}
|
|
#ifdef XML_DTD
|
|
case XML_ROLE_IGNORE_SECT:
|
|
{
|
|
enum XML_Error result;
|
|
if (defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
handleDefault = XML_FALSE;
|
|
result = doIgnoreSection(parser, enc, &next, end, nextPtr, haveMore);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
else if (!next) {
|
|
processor = ignoreSectionProcessor;
|
|
return result;
|
|
}
|
|
}
|
|
break;
|
|
#endif /* XML_DTD */
|
|
case XML_ROLE_GROUP_OPEN:
|
|
if (prologState.level >= groupSize) {
|
|
if (groupSize) {
|
|
char *temp = (char *)REALLOC(groupConnector, groupSize *= 2);
|
|
if (temp == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
groupConnector = temp;
|
|
if (dtd->scaffIndex) {
|
|
int *temp = (int *)REALLOC(dtd->scaffIndex,
|
|
groupSize * sizeof(int));
|
|
if (temp == NULL)
|
|
return XML_ERROR_NO_MEMORY;
|
|
dtd->scaffIndex = temp;
|
|
}
|
|
}
|
|
else {
|
|
groupConnector = (char *)MALLOC(groupSize = 32);
|
|
if (!groupConnector)
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
}
|
|
groupConnector[prologState.level] = 0;
|
|
if (dtd->in_eldecl) {
|
|
int myindex = nextScaffoldPart(parser);
|
|
if (myindex < 0)
|
|
return XML_ERROR_NO_MEMORY;
|
|
dtd->scaffIndex[dtd->scaffLevel] = myindex;
|
|
dtd->scaffLevel++;
|
|
dtd->scaffold[myindex].type = XML_CTYPE_SEQ;
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
case XML_ROLE_GROUP_SEQUENCE:
|
|
if (groupConnector[prologState.level] == ASCII_PIPE)
|
|
return XML_ERROR_SYNTAX;
|
|
groupConnector[prologState.level] = ASCII_COMMA;
|
|
if (dtd->in_eldecl && elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_GROUP_CHOICE:
|
|
if (groupConnector[prologState.level] == ASCII_COMMA)
|
|
return XML_ERROR_SYNTAX;
|
|
if (dtd->in_eldecl
|
|
&& !groupConnector[prologState.level]
|
|
&& (dtd->scaffold[dtd->scaffIndex[dtd->scaffLevel - 1]].type
|
|
!= XML_CTYPE_MIXED)
|
|
) {
|
|
dtd->scaffold[dtd->scaffIndex[dtd->scaffLevel - 1]].type
|
|
= XML_CTYPE_CHOICE;
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
groupConnector[prologState.level] = ASCII_PIPE;
|
|
break;
|
|
case XML_ROLE_PARAM_ENTITY_REF:
|
|
#ifdef XML_DTD
|
|
case XML_ROLE_INNER_PARAM_ENTITY_REF:
|
|
dtd->hasParamEntityRefs = XML_TRUE;
|
|
if (!paramEntityParsing)
|
|
dtd->keepProcessing = dtd->standalone;
|
|
else {
|
|
const XML_Char *name;
|
|
ENTITY *entity;
|
|
name = poolStoreString(&dtd->pool, enc,
|
|
s + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
entity = (ENTITY *)lookup(parser, &dtd->paramEntities, name, 0);
|
|
poolDiscard(&dtd->pool);
|
|
/* first, determine if a check for an existing declaration is needed;
|
|
if yes, check that the entity exists, and that it is internal,
|
|
otherwise call the skipped entity handler
|
|
*/
|
|
if (prologState.documentEntity &&
|
|
(dtd->standalone
|
|
? !openInternalEntities
|
|
: !dtd->hasParamEntityRefs)) {
|
|
if (!entity)
|
|
return XML_ERROR_UNDEFINED_ENTITY;
|
|
else if (!entity->is_internal)
|
|
return XML_ERROR_ENTITY_DECLARED_IN_PE;
|
|
}
|
|
else if (!entity) {
|
|
dtd->keepProcessing = dtd->standalone;
|
|
/* cannot report skipped entities in declarations */
|
|
if ((role == XML_ROLE_PARAM_ENTITY_REF) && skippedEntityHandler) {
|
|
skippedEntityHandler(handlerArg, name, 1);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
}
|
|
if (entity->open)
|
|
return XML_ERROR_RECURSIVE_ENTITY_REF;
|
|
if (entity->textPtr) {
|
|
enum XML_Error result;
|
|
XML_Bool betweenDecl =
|
|
(role == XML_ROLE_PARAM_ENTITY_REF ? XML_TRUE : XML_FALSE);
|
|
result = processInternalEntity(parser, entity, betweenDecl);
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
}
|
|
if (externalEntityRefHandler) {
|
|
dtd->paramEntityRead = XML_FALSE;
|
|
entity->open = XML_TRUE;
|
|
if (!externalEntityRefHandler(externalEntityRefHandlerArg,
|
|
0,
|
|
entity->base,
|
|
entity->systemId,
|
|
entity->publicId)) {
|
|
entity->open = XML_FALSE;
|
|
return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
|
|
}
|
|
entity->open = XML_FALSE;
|
|
handleDefault = XML_FALSE;
|
|
if (!dtd->paramEntityRead) {
|
|
dtd->keepProcessing = dtd->standalone;
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
dtd->keepProcessing = dtd->standalone;
|
|
break;
|
|
}
|
|
}
|
|
#endif /* XML_DTD */
|
|
if (!dtd->standalone &&
|
|
notStandaloneHandler &&
|
|
!notStandaloneHandler(handlerArg))
|
|
return XML_ERROR_NOT_STANDALONE;
|
|
break;
|
|
|
|
/* Element declaration stuff */
|
|
|
|
case XML_ROLE_ELEMENT_NAME:
|
|
if (elementDeclHandler) {
|
|
declElementType = getElementType(parser, enc, s, next);
|
|
if (!declElementType)
|
|
return XML_ERROR_NO_MEMORY;
|
|
dtd->scaffLevel = 0;
|
|
dtd->scaffCount = 0;
|
|
dtd->in_eldecl = XML_TRUE;
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
|
|
case XML_ROLE_CONTENT_ANY:
|
|
case XML_ROLE_CONTENT_EMPTY:
|
|
if (dtd->in_eldecl) {
|
|
if (elementDeclHandler) {
|
|
XML_Content * content = (XML_Content *) MALLOC(sizeof(XML_Content));
|
|
if (!content)
|
|
return XML_ERROR_NO_MEMORY;
|
|
content->quant = XML_CQUANT_NONE;
|
|
content->name = NULL;
|
|
content->numchildren = 0;
|
|
content->children = NULL;
|
|
content->type = ((role == XML_ROLE_CONTENT_ANY) ?
|
|
XML_CTYPE_ANY :
|
|
XML_CTYPE_EMPTY);
|
|
*eventEndPP = s;
|
|
elementDeclHandler(handlerArg, declElementType->name, content);
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
dtd->in_eldecl = XML_FALSE;
|
|
}
|
|
break;
|
|
|
|
case XML_ROLE_CONTENT_PCDATA:
|
|
if (dtd->in_eldecl) {
|
|
dtd->scaffold[dtd->scaffIndex[dtd->scaffLevel - 1]].type
|
|
= XML_CTYPE_MIXED;
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
|
|
case XML_ROLE_CONTENT_ELEMENT:
|
|
quant = XML_CQUANT_NONE;
|
|
goto elementContent;
|
|
case XML_ROLE_CONTENT_ELEMENT_OPT:
|
|
quant = XML_CQUANT_OPT;
|
|
goto elementContent;
|
|
case XML_ROLE_CONTENT_ELEMENT_REP:
|
|
quant = XML_CQUANT_REP;
|
|
goto elementContent;
|
|
case XML_ROLE_CONTENT_ELEMENT_PLUS:
|
|
quant = XML_CQUANT_PLUS;
|
|
elementContent:
|
|
if (dtd->in_eldecl) {
|
|
ELEMENT_TYPE *el;
|
|
const XML_Char *name;
|
|
int nameLen;
|
|
const char *nxt = (quant == XML_CQUANT_NONE
|
|
? next
|
|
: next - enc->minBytesPerChar);
|
|
int myindex = nextScaffoldPart(parser);
|
|
if (myindex < 0)
|
|
return XML_ERROR_NO_MEMORY;
|
|
dtd->scaffold[myindex].type = XML_CTYPE_NAME;
|
|
dtd->scaffold[myindex].quant = quant;
|
|
el = getElementType(parser, enc, s, nxt);
|
|
if (!el)
|
|
return XML_ERROR_NO_MEMORY;
|
|
name = el->name;
|
|
dtd->scaffold[myindex].name = name;
|
|
nameLen = 0;
|
|
for (; name[nameLen++]; );
|
|
dtd->contentStringLen += nameLen;
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
}
|
|
break;
|
|
|
|
case XML_ROLE_GROUP_CLOSE:
|
|
quant = XML_CQUANT_NONE;
|
|
goto closeGroup;
|
|
case XML_ROLE_GROUP_CLOSE_OPT:
|
|
quant = XML_CQUANT_OPT;
|
|
goto closeGroup;
|
|
case XML_ROLE_GROUP_CLOSE_REP:
|
|
quant = XML_CQUANT_REP;
|
|
goto closeGroup;
|
|
case XML_ROLE_GROUP_CLOSE_PLUS:
|
|
quant = XML_CQUANT_PLUS;
|
|
closeGroup:
|
|
if (dtd->in_eldecl) {
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
dtd->scaffLevel--;
|
|
dtd->scaffold[dtd->scaffIndex[dtd->scaffLevel]].quant = quant;
|
|
if (dtd->scaffLevel == 0) {
|
|
if (!handleDefault) {
|
|
XML_Content *model = build_model(parser);
|
|
if (!model)
|
|
return XML_ERROR_NO_MEMORY;
|
|
*eventEndPP = s;
|
|
elementDeclHandler(handlerArg, declElementType->name, model);
|
|
}
|
|
dtd->in_eldecl = XML_FALSE;
|
|
dtd->contentStringLen = 0;
|
|
}
|
|
}
|
|
break;
|
|
/* End element declaration stuff */
|
|
|
|
case XML_ROLE_PI:
|
|
if (!reportProcessingInstruction(parser, enc, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_COMMENT:
|
|
if (!reportComment(parser, enc, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_NONE:
|
|
switch (tok) {
|
|
case XML_TOK_BOM:
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
}
|
|
break;
|
|
case XML_ROLE_DOCTYPE_NONE:
|
|
if (startDoctypeDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_ENTITY_NONE:
|
|
if (dtd->keepProcessing && entityDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_NOTATION_NONE:
|
|
if (notationDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_ATTLIST_NONE:
|
|
if (dtd->keepProcessing && attlistDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
case XML_ROLE_ELEMENT_NONE:
|
|
if (elementDeclHandler)
|
|
handleDefault = XML_FALSE;
|
|
break;
|
|
} /* end of big switch */
|
|
|
|
if (handleDefault && defaultHandler)
|
|
reportDefault(parser, enc, s, next);
|
|
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default:
|
|
s = next;
|
|
tok = XmlPrologTok(enc, s, end, &next);
|
|
}
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
epilogProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
processor = epilogProcessor;
|
|
eventPtr = s;
|
|
for (;;) {
|
|
const char *next = NULL;
|
|
int tok = XmlPrologTok(encoding, s, end, &next);
|
|
eventEndPtr = next;
|
|
switch (tok) {
|
|
/* report partial linebreak - it might be the last token */
|
|
case -XML_TOK_PROLOG_S:
|
|
if (defaultHandler) {
|
|
reportDefault(parser, encoding, s, next);
|
|
if (ps_parsing == XML_FINISHED)
|
|
return XML_ERROR_ABORTED;
|
|
}
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_NONE:
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_PROLOG_S:
|
|
if (defaultHandler)
|
|
reportDefault(parser, encoding, s, next);
|
|
break;
|
|
case XML_TOK_PI:
|
|
if (!reportProcessingInstruction(parser, encoding, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
case XML_TOK_COMMENT:
|
|
if (!reportComment(parser, encoding, s, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
case XML_TOK_INVALID:
|
|
eventPtr = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
if (!ps_finalBuffer) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_UNCLOSED_TOKEN;
|
|
case XML_TOK_PARTIAL_CHAR:
|
|
if (!ps_finalBuffer) {
|
|
*nextPtr = s;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
return XML_ERROR_PARTIAL_CHAR;
|
|
default:
|
|
return XML_ERROR_JUNK_AFTER_DOC_ELEMENT;
|
|
}
|
|
eventPtr = s = next;
|
|
switch (ps_parsing) {
|
|
case XML_SUSPENDED:
|
|
*nextPtr = next;
|
|
return XML_ERROR_NONE;
|
|
case XML_FINISHED:
|
|
return XML_ERROR_ABORTED;
|
|
default: ;
|
|
}
|
|
}
|
|
}
|
|
|
|
static enum XML_Error
|
|
processInternalEntity(XML_Parser parser, ENTITY *entity,
|
|
XML_Bool betweenDecl)
|
|
{
|
|
const char *textStart, *textEnd;
|
|
const char *next;
|
|
enum XML_Error result;
|
|
OPEN_INTERNAL_ENTITY *openEntity;
|
|
|
|
if (freeInternalEntities) {
|
|
openEntity = freeInternalEntities;
|
|
freeInternalEntities = openEntity->next;
|
|
}
|
|
else {
|
|
openEntity = (OPEN_INTERNAL_ENTITY *)MALLOC(sizeof(OPEN_INTERNAL_ENTITY));
|
|
if (!openEntity)
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
entity->open = XML_TRUE;
|
|
entity->processed = 0;
|
|
openEntity->next = openInternalEntities;
|
|
openInternalEntities = openEntity;
|
|
openEntity->entity = entity;
|
|
openEntity->startTagLevel = tagLevel;
|
|
openEntity->betweenDecl = betweenDecl;
|
|
openEntity->internalEventPtr = NULL;
|
|
openEntity->internalEventEndPtr = NULL;
|
|
textStart = (char *)entity->textPtr;
|
|
textEnd = (char *)(entity->textPtr + entity->textLen);
|
|
/* Set a safe default value in case 'next' does not get set */
|
|
next = textStart;
|
|
|
|
#ifdef XML_DTD
|
|
if (entity->is_param) {
|
|
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
|
|
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
|
|
next, &next, XML_FALSE);
|
|
}
|
|
else
|
|
#endif /* XML_DTD */
|
|
result = doContent(parser, tagLevel, internalEncoding, textStart,
|
|
textEnd, &next, XML_FALSE);
|
|
|
|
if (result == XML_ERROR_NONE) {
|
|
if (textEnd != next && ps_parsing == XML_SUSPENDED) {
|
|
entity->processed = (int)(next - textStart);
|
|
processor = internalEntityProcessor;
|
|
}
|
|
else {
|
|
entity->open = XML_FALSE;
|
|
openInternalEntities = openEntity->next;
|
|
/* put openEntity back in list of free instances */
|
|
openEntity->next = freeInternalEntities;
|
|
freeInternalEntities = openEntity;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
internalEntityProcessor(XML_Parser parser,
|
|
const char *s,
|
|
const char *end,
|
|
const char **nextPtr)
|
|
{
|
|
ENTITY *entity;
|
|
const char *textStart, *textEnd;
|
|
const char *next;
|
|
enum XML_Error result;
|
|
OPEN_INTERNAL_ENTITY *openEntity = openInternalEntities;
|
|
if (!openEntity)
|
|
return XML_ERROR_UNEXPECTED_STATE;
|
|
|
|
entity = openEntity->entity;
|
|
textStart = ((char *)entity->textPtr) + entity->processed;
|
|
textEnd = (char *)(entity->textPtr + entity->textLen);
|
|
/* Set a safe default value in case 'next' does not get set */
|
|
next = textStart;
|
|
|
|
#ifdef XML_DTD
|
|
if (entity->is_param) {
|
|
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
|
|
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
|
|
next, &next, XML_FALSE);
|
|
}
|
|
else
|
|
#endif /* XML_DTD */
|
|
result = doContent(parser, openEntity->startTagLevel, internalEncoding,
|
|
textStart, textEnd, &next, XML_FALSE);
|
|
|
|
if (result != XML_ERROR_NONE)
|
|
return result;
|
|
else if (textEnd != next && ps_parsing == XML_SUSPENDED) {
|
|
entity->processed = (int)(next - (char *)entity->textPtr);
|
|
return result;
|
|
}
|
|
else {
|
|
entity->open = XML_FALSE;
|
|
openInternalEntities = openEntity->next;
|
|
/* put openEntity back in list of free instances */
|
|
openEntity->next = freeInternalEntities;
|
|
freeInternalEntities = openEntity;
|
|
}
|
|
|
|
#ifdef XML_DTD
|
|
if (entity->is_param) {
|
|
int tok;
|
|
processor = prologProcessor;
|
|
tok = XmlPrologTok(encoding, s, end, &next);
|
|
return doProlog(parser, encoding, s, end, tok, next, nextPtr,
|
|
(XML_Bool)!ps_finalBuffer);
|
|
}
|
|
else
|
|
#endif /* XML_DTD */
|
|
{
|
|
processor = contentProcessor;
|
|
/* see externalEntityContentProcessor vs contentProcessor */
|
|
return doContent(parser, parentParser ? 1 : 0, encoding, s, end,
|
|
nextPtr, (XML_Bool)!ps_finalBuffer);
|
|
}
|
|
}
|
|
|
|
static enum XML_Error PTRCALL
|
|
errorProcessor(XML_Parser parser,
|
|
const char *UNUSED_P(s),
|
|
const char *UNUSED_P(end),
|
|
const char **UNUSED_P(nextPtr))
|
|
{
|
|
return errorCode;
|
|
}
|
|
|
|
static enum XML_Error
|
|
storeAttributeValue(XML_Parser parser, const ENCODING *enc, XML_Bool isCdata,
|
|
const char *ptr, const char *end,
|
|
STRING_POOL *pool)
|
|
{
|
|
enum XML_Error result = appendAttributeValue(parser, enc, isCdata, ptr,
|
|
end, pool);
|
|
if (result)
|
|
return result;
|
|
if (!isCdata && poolLength(pool) && poolLastChar(pool) == 0x20)
|
|
poolChop(pool);
|
|
if (!poolAppendChar(pool, XML_T('\0')))
|
|
return XML_ERROR_NO_MEMORY;
|
|
return XML_ERROR_NONE;
|
|
}
|
|
|
|
static enum XML_Error
|
|
appendAttributeValue(XML_Parser parser, const ENCODING *enc, XML_Bool isCdata,
|
|
const char *ptr, const char *end,
|
|
STRING_POOL *pool)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
for (;;) {
|
|
const char *next;
|
|
int tok = XmlAttributeValueTok(enc, ptr, end, &next);
|
|
switch (tok) {
|
|
case XML_TOK_NONE:
|
|
return XML_ERROR_NONE;
|
|
case XML_TOK_INVALID:
|
|
if (enc == encoding)
|
|
eventPtr = next;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_PARTIAL:
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_INVALID_TOKEN;
|
|
case XML_TOK_CHAR_REF:
|
|
{
|
|
XML_Char buf[XML_ENCODE_MAX];
|
|
int i;
|
|
int n = XmlCharRefNumber(enc, ptr);
|
|
if (n < 0) {
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_BAD_CHAR_REF;
|
|
}
|
|
if (!isCdata
|
|
&& n == 0x20 /* space */
|
|
&& (poolLength(pool) == 0 || poolLastChar(pool) == 0x20))
|
|
break;
|
|
n = XmlEncode(n, (ICHAR *)buf);
|
|
if (!n) {
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_BAD_CHAR_REF;
|
|
}
|
|
for (i = 0; i < n; i++) {
|
|
if (!poolAppendChar(pool, buf[i]))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
}
|
|
break;
|
|
case XML_TOK_DATA_CHARS:
|
|
if (!poolAppend(pool, enc, ptr, next))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
case XML_TOK_TRAILING_CR:
|
|
next = ptr + enc->minBytesPerChar;
|
|
/* fall through */
|
|
case XML_TOK_ATTRIBUTE_VALUE_S:
|
|
case XML_TOK_DATA_NEWLINE:
|
|
if (!isCdata && (poolLength(pool) == 0 || poolLastChar(pool) == 0x20))
|
|
break;
|
|
if (!poolAppendChar(pool, 0x20))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
case XML_TOK_ENTITY_REF:
|
|
{
|
|
const XML_Char *name;
|
|
ENTITY *entity;
|
|
char checkEntityDecl;
|
|
XML_Char ch = (XML_Char) XmlPredefinedEntityName(enc,
|
|
ptr + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (ch) {
|
|
if (!poolAppendChar(pool, ch))
|
|
return XML_ERROR_NO_MEMORY;
|
|
break;
|
|
}
|
|
name = poolStoreString(&temp2Pool, enc,
|
|
ptr + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!name)
|
|
return XML_ERROR_NO_MEMORY;
|
|
entity = (ENTITY *)lookup(parser, &dtd->generalEntities, name, 0);
|
|
poolDiscard(&temp2Pool);
|
|
/* First, determine if a check for an existing declaration is needed;
|
|
if yes, check that the entity exists, and that it is internal.
|
|
*/
|
|
if (pool == &dtd->pool) /* are we called from prolog? */
|
|
checkEntityDecl =
|
|
#ifdef XML_DTD
|
|
prologState.documentEntity &&
|
|
#endif /* XML_DTD */
|
|
(dtd->standalone
|
|
? !openInternalEntities
|
|
: !dtd->hasParamEntityRefs);
|
|
else /* if (pool == &tempPool): we are called from content */
|
|
checkEntityDecl = !dtd->hasParamEntityRefs || dtd->standalone;
|
|
if (checkEntityDecl) {
|
|
if (!entity)
|
|
return XML_ERROR_UNDEFINED_ENTITY;
|
|
else if (!entity->is_internal)
|
|
return XML_ERROR_ENTITY_DECLARED_IN_PE;
|
|
}
|
|
else if (!entity) {
|
|
/* Cannot report skipped entity here - see comments on
|
|
skippedEntityHandler.
|
|
if (skippedEntityHandler)
|
|
skippedEntityHandler(handlerArg, name, 0);
|
|
*/
|
|
/* Cannot call the default handler because this would be
|
|
out of sync with the call to the startElementHandler.
|
|
if ((pool == &tempPool) && defaultHandler)
|
|
reportDefault(parser, enc, ptr, next);
|
|
*/
|
|
break;
|
|
}
|
|
if (entity->open) {
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_RECURSIVE_ENTITY_REF;
|
|
}
|
|
if (entity->notation) {
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_BINARY_ENTITY_REF;
|
|
}
|
|
if (!entity->textPtr) {
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF;
|
|
}
|
|
else {
|
|
enum XML_Error result;
|
|
const XML_Char *textEnd = entity->textPtr + entity->textLen;
|
|
entity->open = XML_TRUE;
|
|
result = appendAttributeValue(parser, internalEncoding, isCdata,
|
|
(char *)entity->textPtr,
|
|
(char *)textEnd, pool);
|
|
entity->open = XML_FALSE;
|
|
if (result)
|
|
return result;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
if (enc == encoding)
|
|
eventPtr = ptr;
|
|
return XML_ERROR_UNEXPECTED_STATE;
|
|
}
|
|
ptr = next;
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
static enum XML_Error
|
|
storeEntityValue(XML_Parser parser,
|
|
const ENCODING *enc,
|
|
const char *entityTextPtr,
|
|
const char *entityTextEnd)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
STRING_POOL *pool = &(dtd->entityValuePool);
|
|
enum XML_Error result = XML_ERROR_NONE;
|
|
#ifdef XML_DTD
|
|
int oldInEntityValue = prologState.inEntityValue;
|
|
prologState.inEntityValue = 1;
|
|
#endif /* XML_DTD */
|
|
/* never return Null for the value argument in EntityDeclHandler,
|
|
since this would indicate an external entity; therefore we
|
|
have to make sure that entityValuePool.start is not null */
|
|
if (!pool->blocks) {
|
|
if (!poolGrow(pool))
|
|
return XML_ERROR_NO_MEMORY;
|
|
}
|
|
|
|
for (;;) {
|
|
const char *next;
|
|
int tok = XmlEntityValueTok(enc, entityTextPtr, entityTextEnd, &next);
|
|
switch (tok) {
|
|
case XML_TOK_PARAM_ENTITY_REF:
|
|
#ifdef XML_DTD
|
|
if (isParamEntity || enc != encoding) {
|
|
const XML_Char *name;
|
|
ENTITY *entity;
|
|
name = poolStoreString(&tempPool, enc,
|
|
entityTextPtr + enc->minBytesPerChar,
|
|
next - enc->minBytesPerChar);
|
|
if (!name) {
|
|
result = XML_ERROR_NO_MEMORY;
|
|
goto endEntityValue;
|
|
}
|
|
entity = (ENTITY *)lookup(parser, &dtd->paramEntities, name, 0);
|
|
poolDiscard(&tempPool);
|
|
if (!entity) {
|
|
/* not a well-formedness error - see XML 1.0: WFC Entity Declared */
|
|
/* cannot report skipped entity here - see comments on
|
|
skippedEntityHandler
|
|
if (skippedEntityHandler)
|
|
skippedEntityHandler(handlerArg, name, 0);
|
|
*/
|
|
dtd->keepProcessing = dtd->standalone;
|
|
goto endEntityValue;
|
|
}
|
|
if (entity->open) {
|
|
if (enc == encoding)
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_RECURSIVE_ENTITY_REF;
|
|
goto endEntityValue;
|
|
}
|
|
if (entity->systemId) {
|
|
if (externalEntityRefHandler) {
|
|
dtd->paramEntityRead = XML_FALSE;
|
|
entity->open = XML_TRUE;
|
|
if (!externalEntityRefHandler(externalEntityRefHandlerArg,
|
|
0,
|
|
entity->base,
|
|
entity->systemId,
|
|
entity->publicId)) {
|
|
entity->open = XML_FALSE;
|
|
result = XML_ERROR_EXTERNAL_ENTITY_HANDLING;
|
|
goto endEntityValue;
|
|
}
|
|
entity->open = XML_FALSE;
|
|
if (!dtd->paramEntityRead)
|
|
dtd->keepProcessing = dtd->standalone;
|
|
}
|
|
else
|
|
dtd->keepProcessing = dtd->standalone;
|
|
}
|
|
else {
|
|
entity->open = XML_TRUE;
|
|
result = storeEntityValue(parser,
|
|
internalEncoding,
|
|
(char *)entity->textPtr,
|
|
(char *)(entity->textPtr
|
|
+ entity->textLen));
|
|
entity->open = XML_FALSE;
|
|
if (result)
|
|
goto endEntityValue;
|
|
}
|
|
break;
|
|
}
|
|
#endif /* XML_DTD */
|
|
/* In the internal subset, PE references are not legal
|
|
within markup declarations, e.g entity values in this case. */
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_PARAM_ENTITY_REF;
|
|
goto endEntityValue;
|
|
case XML_TOK_NONE:
|
|
result = XML_ERROR_NONE;
|
|
goto endEntityValue;
|
|
case XML_TOK_ENTITY_REF:
|
|
case XML_TOK_DATA_CHARS:
|
|
if (!poolAppend(pool, enc, entityTextPtr, next)) {
|
|
result = XML_ERROR_NO_MEMORY;
|
|
goto endEntityValue;
|
|
}
|
|
break;
|
|
case XML_TOK_TRAILING_CR:
|
|
next = entityTextPtr + enc->minBytesPerChar;
|
|
/* fall through */
|
|
case XML_TOK_DATA_NEWLINE:
|
|
if (pool->end == pool->ptr && !poolGrow(pool)) {
|
|
result = XML_ERROR_NO_MEMORY;
|
|
goto endEntityValue;
|
|
}
|
|
*(pool->ptr)++ = 0xA;
|
|
break;
|
|
case XML_TOK_CHAR_REF:
|
|
{
|
|
XML_Char buf[XML_ENCODE_MAX];
|
|
int i;
|
|
int n = XmlCharRefNumber(enc, entityTextPtr);
|
|
if (n < 0) {
|
|
if (enc == encoding)
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_BAD_CHAR_REF;
|
|
goto endEntityValue;
|
|
}
|
|
n = XmlEncode(n, (ICHAR *)buf);
|
|
if (!n) {
|
|
if (enc == encoding)
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_BAD_CHAR_REF;
|
|
goto endEntityValue;
|
|
}
|
|
for (i = 0; i < n; i++) {
|
|
if (pool->end == pool->ptr && !poolGrow(pool)) {
|
|
result = XML_ERROR_NO_MEMORY;
|
|
goto endEntityValue;
|
|
}
|
|
*(pool->ptr)++ = buf[i];
|
|
}
|
|
}
|
|
break;
|
|
case XML_TOK_PARTIAL:
|
|
if (enc == encoding)
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_INVALID_TOKEN;
|
|
goto endEntityValue;
|
|
case XML_TOK_INVALID:
|
|
if (enc == encoding)
|
|
eventPtr = next;
|
|
result = XML_ERROR_INVALID_TOKEN;
|
|
goto endEntityValue;
|
|
default:
|
|
if (enc == encoding)
|
|
eventPtr = entityTextPtr;
|
|
result = XML_ERROR_UNEXPECTED_STATE;
|
|
goto endEntityValue;
|
|
}
|
|
entityTextPtr = next;
|
|
}
|
|
endEntityValue:
|
|
#ifdef XML_DTD
|
|
prologState.inEntityValue = oldInEntityValue;
|
|
#endif /* XML_DTD */
|
|
return result;
|
|
}
|
|
|
|
static void FASTCALL
|
|
normalizeLines(XML_Char *s)
|
|
{
|
|
XML_Char *p;
|
|
for (;; s++) {
|
|
if (*s == XML_T('\0'))
|
|
return;
|
|
if (*s == 0xD)
|
|
break;
|
|
}
|
|
p = s;
|
|
do {
|
|
if (*s == 0xD) {
|
|
*p++ = 0xA;
|
|
if (*++s == 0xA)
|
|
s++;
|
|
}
|
|
else
|
|
*p++ = *s++;
|
|
} while (*s);
|
|
*p = XML_T('\0');
|
|
}
|
|
|
|
static int
|
|
reportProcessingInstruction(XML_Parser parser, const ENCODING *enc,
|
|
const char *start, const char *end)
|
|
{
|
|
const XML_Char *target;
|
|
XML_Char *data;
|
|
const char *tem;
|
|
if (!processingInstructionHandler) {
|
|
if (defaultHandler)
|
|
reportDefault(parser, enc, start, end);
|
|
return 1;
|
|
}
|
|
start += enc->minBytesPerChar * 2;
|
|
tem = start + XmlNameLength(enc, start);
|
|
target = poolStoreString(&tempPool, enc, start, tem);
|
|
if (!target)
|
|
return 0;
|
|
poolFinish(&tempPool);
|
|
data = poolStoreString(&tempPool, enc,
|
|
XmlSkipS(enc, tem),
|
|
end - enc->minBytesPerChar*2);
|
|
if (!data)
|
|
return 0;
|
|
normalizeLines(data);
|
|
processingInstructionHandler(handlerArg, target, data);
|
|
poolClear(&tempPool);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
reportComment(XML_Parser parser, const ENCODING *enc,
|
|
const char *start, const char *end)
|
|
{
|
|
XML_Char *data;
|
|
if (!commentHandler) {
|
|
if (defaultHandler)
|
|
reportDefault(parser, enc, start, end);
|
|
return 1;
|
|
}
|
|
data = poolStoreString(&tempPool,
|
|
enc,
|
|
start + enc->minBytesPerChar * 4,
|
|
end - enc->minBytesPerChar * 3);
|
|
if (!data)
|
|
return 0;
|
|
normalizeLines(data);
|
|
commentHandler(handlerArg, data);
|
|
poolClear(&tempPool);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
reportDefault(XML_Parser parser, const ENCODING *enc,
|
|
const char *s, const char *end)
|
|
{
|
|
if (MUST_CONVERT(enc, s)) {
|
|
enum XML_Convert_Result convert_res;
|
|
const char **eventPP;
|
|
const char **eventEndPP;
|
|
if (enc == encoding) {
|
|
eventPP = &eventPtr;
|
|
eventEndPP = &eventEndPtr;
|
|
}
|
|
else {
|
|
eventPP = &(openInternalEntities->internalEventPtr);
|
|
eventEndPP = &(openInternalEntities->internalEventEndPtr);
|
|
}
|
|
do {
|
|
ICHAR *dataPtr = (ICHAR *)dataBuf;
|
|
convert_res = XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd);
|
|
*eventEndPP = s;
|
|
defaultHandler(handlerArg, dataBuf, (int)(dataPtr - (ICHAR *)dataBuf));
|
|
*eventPP = s;
|
|
} while ((convert_res != XML_CONVERT_COMPLETED) && (convert_res != XML_CONVERT_INPUT_INCOMPLETE));
|
|
}
|
|
else
|
|
defaultHandler(handlerArg, (XML_Char *)s, (int)((XML_Char *)end - (XML_Char *)s));
|
|
}
|
|
|
|
|
|
static int
|
|
defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata,
|
|
XML_Bool isId, const XML_Char *value, XML_Parser parser)
|
|
{
|
|
DEFAULT_ATTRIBUTE *att;
|
|
if (value || isId) {
|
|
/* The handling of default attributes gets messed up if we have
|
|
a default which duplicates a non-default. */
|
|
int i;
|
|
for (i = 0; i < type->nDefaultAtts; i++)
|
|
if (attId == type->defaultAtts[i].id)
|
|
return 1;
|
|
if (isId && !type->idAtt && !attId->xmlns)
|
|
type->idAtt = attId;
|
|
}
|
|
if (type->nDefaultAtts == type->allocDefaultAtts) {
|
|
if (type->allocDefaultAtts == 0) {
|
|
type->allocDefaultAtts = 8;
|
|
type->defaultAtts = (DEFAULT_ATTRIBUTE *)MALLOC(type->allocDefaultAtts
|
|
* sizeof(DEFAULT_ATTRIBUTE));
|
|
if (!type->defaultAtts)
|
|
return 0;
|
|
}
|
|
else {
|
|
DEFAULT_ATTRIBUTE *temp;
|
|
int count = type->allocDefaultAtts * 2;
|
|
temp = (DEFAULT_ATTRIBUTE *)
|
|
REALLOC(type->defaultAtts, (count * sizeof(DEFAULT_ATTRIBUTE)));
|
|
if (temp == NULL)
|
|
return 0;
|
|
type->allocDefaultAtts = count;
|
|
type->defaultAtts = temp;
|
|
}
|
|
}
|
|
att = type->defaultAtts + type->nDefaultAtts;
|
|
att->id = attId;
|
|
att->value = value;
|
|
att->isCdata = isCdata;
|
|
if (!isCdata)
|
|
attId->maybeTokenized = XML_TRUE;
|
|
type->nDefaultAtts += 1;
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
const XML_Char *name;
|
|
for (name = elementType->name; *name; name++) {
|
|
if (*name == XML_T(ASCII_COLON)) {
|
|
PREFIX *prefix;
|
|
const XML_Char *s;
|
|
for (s = elementType->name; s != name; s++) {
|
|
if (!poolAppendChar(&dtd->pool, *s))
|
|
return 0;
|
|
}
|
|
if (!poolAppendChar(&dtd->pool, XML_T('\0')))
|
|
return 0;
|
|
prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&dtd->pool),
|
|
sizeof(PREFIX));
|
|
if (!prefix)
|
|
return 0;
|
|
if (prefix->name == poolStart(&dtd->pool))
|
|
poolFinish(&dtd->pool);
|
|
else
|
|
poolDiscard(&dtd->pool);
|
|
elementType->prefix = prefix;
|
|
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static ATTRIBUTE_ID *
|
|
getAttributeId(XML_Parser parser, const ENCODING *enc,
|
|
const char *start, const char *end)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
ATTRIBUTE_ID *id;
|
|
const XML_Char *name;
|
|
if (!poolAppendChar(&dtd->pool, XML_T('\0')))
|
|
return NULL;
|
|
name = poolStoreString(&dtd->pool, enc, start, end);
|
|
if (!name)
|
|
return NULL;
|
|
/* skip quotation mark - its storage will be re-used (like in name[-1]) */
|
|
++name;
|
|
id = (ATTRIBUTE_ID *)lookup(parser, &dtd->attributeIds, name, sizeof(ATTRIBUTE_ID));
|
|
if (!id)
|
|
return NULL;
|
|
if (id->name != name)
|
|
poolDiscard(&dtd->pool);
|
|
else {
|
|
poolFinish(&dtd->pool);
|
|
if (!ns)
|
|
;
|
|
else if (name[0] == XML_T(ASCII_x)
|
|
&& name[1] == XML_T(ASCII_m)
|
|
&& name[2] == XML_T(ASCII_l)
|
|
&& name[3] == XML_T(ASCII_n)
|
|
&& name[4] == XML_T(ASCII_s)
|
|
&& (name[5] == XML_T('\0') || name[5] == XML_T(ASCII_COLON))) {
|
|
if (name[5] == XML_T('\0'))
|
|
id->prefix = &dtd->defaultPrefix;
|
|
else
|
|
id->prefix = (PREFIX *)lookup(parser, &dtd->prefixes, name + 6, sizeof(PREFIX));
|
|
id->xmlns = XML_TRUE;
|
|
}
|
|
else {
|
|
int i;
|
|
for (i = 0; name[i]; i++) {
|
|
/* attributes without prefix are *not* in the default namespace */
|
|
if (name[i] == XML_T(ASCII_COLON)) {
|
|
int j;
|
|
for (j = 0; j < i; j++) {
|
|
if (!poolAppendChar(&dtd->pool, name[j]))
|
|
return NULL;
|
|
}
|
|
if (!poolAppendChar(&dtd->pool, XML_T('\0')))
|
|
return NULL;
|
|
id->prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&dtd->pool),
|
|
sizeof(PREFIX));
|
|
if (!id->prefix)
|
|
return NULL;
|
|
if (id->prefix->name == poolStart(&dtd->pool))
|
|
poolFinish(&dtd->pool);
|
|
else
|
|
poolDiscard(&dtd->pool);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return id;
|
|
}
|
|
|
|
#define CONTEXT_SEP XML_T(ASCII_FF)
|
|
|
|
static const XML_Char *
|
|
getContext(XML_Parser parser)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
HASH_TABLE_ITER iter;
|
|
XML_Bool needSep = XML_FALSE;
|
|
|
|
if (dtd->defaultPrefix.binding) {
|
|
int i;
|
|
int len;
|
|
if (!poolAppendChar(&tempPool, XML_T(ASCII_EQUALS)))
|
|
return NULL;
|
|
len = dtd->defaultPrefix.binding->uriLen;
|
|
if (namespaceSeparator)
|
|
len--;
|
|
for (i = 0; i < len; i++)
|
|
if (!poolAppendChar(&tempPool, dtd->defaultPrefix.binding->uri[i]))
|
|
return NULL;
|
|
needSep = XML_TRUE;
|
|
}
|
|
|
|
hashTableIterInit(&iter, &(dtd->prefixes));
|
|
for (;;) {
|
|
int i;
|
|
int len;
|
|
const XML_Char *s;
|
|
PREFIX *prefix = (PREFIX *)hashTableIterNext(&iter);
|
|
if (!prefix)
|
|
break;
|
|
if (!prefix->binding)
|
|
continue;
|
|
if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP))
|
|
return NULL;
|
|
for (s = prefix->name; *s; s++)
|
|
if (!poolAppendChar(&tempPool, *s))
|
|
return NULL;
|
|
if (!poolAppendChar(&tempPool, XML_T(ASCII_EQUALS)))
|
|
return NULL;
|
|
len = prefix->binding->uriLen;
|
|
if (namespaceSeparator)
|
|
len--;
|
|
for (i = 0; i < len; i++)
|
|
if (!poolAppendChar(&tempPool, prefix->binding->uri[i]))
|
|
return NULL;
|
|
needSep = XML_TRUE;
|
|
}
|
|
|
|
|
|
hashTableIterInit(&iter, &(dtd->generalEntities));
|
|
for (;;) {
|
|
const XML_Char *s;
|
|
ENTITY *e = (ENTITY *)hashTableIterNext(&iter);
|
|
if (!e)
|
|
break;
|
|
if (!e->open)
|
|
continue;
|
|
if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP))
|
|
return NULL;
|
|
for (s = e->name; *s; s++)
|
|
if (!poolAppendChar(&tempPool, *s))
|
|
return 0;
|
|
needSep = XML_TRUE;
|
|
}
|
|
|
|
if (!poolAppendChar(&tempPool, XML_T('\0')))
|
|
return NULL;
|
|
return tempPool.start;
|
|
}
|
|
|
|
static XML_Bool
|
|
setContext(XML_Parser parser, const XML_Char *context)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
const XML_Char *s = context;
|
|
|
|
while (*context != XML_T('\0')) {
|
|
if (*s == CONTEXT_SEP || *s == XML_T('\0')) {
|
|
ENTITY *e;
|
|
if (!poolAppendChar(&tempPool, XML_T('\0')))
|
|
return XML_FALSE;
|
|
e = (ENTITY *)lookup(parser, &dtd->generalEntities, poolStart(&tempPool), 0);
|
|
if (e)
|
|
e->open = XML_TRUE;
|
|
if (*s != XML_T('\0'))
|
|
s++;
|
|
context = s;
|
|
poolDiscard(&tempPool);
|
|
}
|
|
else if (*s == XML_T(ASCII_EQUALS)) {
|
|
PREFIX *prefix;
|
|
if (poolLength(&tempPool) == 0)
|
|
prefix = &dtd->defaultPrefix;
|
|
else {
|
|
if (!poolAppendChar(&tempPool, XML_T('\0')))
|
|
return XML_FALSE;
|
|
prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&tempPool),
|
|
sizeof(PREFIX));
|
|
if (!prefix)
|
|
return XML_FALSE;
|
|
if (prefix->name == poolStart(&tempPool)) {
|
|
prefix->name = poolCopyString(&dtd->pool, prefix->name);
|
|
if (!prefix->name)
|
|
return XML_FALSE;
|
|
}
|
|
poolDiscard(&tempPool);
|
|
}
|
|
for (context = s + 1;
|
|
*context != CONTEXT_SEP && *context != XML_T('\0');
|
|
context++)
|
|
if (!poolAppendChar(&tempPool, *context))
|
|
return XML_FALSE;
|
|
if (!poolAppendChar(&tempPool, XML_T('\0')))
|
|
return XML_FALSE;
|
|
if (addBinding(parser, prefix, NULL, poolStart(&tempPool),
|
|
&inheritedBindings) != XML_ERROR_NONE)
|
|
return XML_FALSE;
|
|
poolDiscard(&tempPool);
|
|
if (*context != XML_T('\0'))
|
|
++context;
|
|
s = context;
|
|
}
|
|
else {
|
|
if (!poolAppendChar(&tempPool, *s))
|
|
return XML_FALSE;
|
|
s++;
|
|
}
|
|
}
|
|
return XML_TRUE;
|
|
}
|
|
|
|
static void FASTCALL
|
|
normalizePublicId(XML_Char *publicId)
|
|
{
|
|
XML_Char *p = publicId;
|
|
XML_Char *s;
|
|
for (s = publicId; *s; s++) {
|
|
switch (*s) {
|
|
case 0x20:
|
|
case 0xD:
|
|
case 0xA:
|
|
if (p != publicId && p[-1] != 0x20)
|
|
*p++ = 0x20;
|
|
break;
|
|
default:
|
|
*p++ = *s;
|
|
}
|
|
}
|
|
if (p != publicId && p[-1] == 0x20)
|
|
--p;
|
|
*p = XML_T('\0');
|
|
}
|
|
|
|
static DTD *
|
|
dtdCreate(const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
DTD *p = (DTD *)ms->malloc_fcn(sizeof(DTD));
|
|
if (p == NULL)
|
|
return p;
|
|
poolInit(&(p->pool), ms);
|
|
poolInit(&(p->entityValuePool), ms);
|
|
hashTableInit(&(p->generalEntities), ms);
|
|
hashTableInit(&(p->elementTypes), ms);
|
|
hashTableInit(&(p->attributeIds), ms);
|
|
hashTableInit(&(p->prefixes), ms);
|
|
#ifdef XML_DTD
|
|
p->paramEntityRead = XML_FALSE;
|
|
hashTableInit(&(p->paramEntities), ms);
|
|
#endif /* XML_DTD */
|
|
p->defaultPrefix.name = NULL;
|
|
p->defaultPrefix.binding = NULL;
|
|
|
|
p->in_eldecl = XML_FALSE;
|
|
p->scaffIndex = NULL;
|
|
p->scaffold = NULL;
|
|
p->scaffLevel = 0;
|
|
p->scaffSize = 0;
|
|
p->scaffCount = 0;
|
|
p->contentStringLen = 0;
|
|
|
|
p->keepProcessing = XML_TRUE;
|
|
p->hasParamEntityRefs = XML_FALSE;
|
|
p->standalone = XML_FALSE;
|
|
return p;
|
|
}
|
|
|
|
static void
|
|
dtdReset(DTD *p, const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
HASH_TABLE_ITER iter;
|
|
hashTableIterInit(&iter, &(p->elementTypes));
|
|
for (;;) {
|
|
ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter);
|
|
if (!e)
|
|
break;
|
|
if (e->allocDefaultAtts != 0)
|
|
ms->free_fcn(e->defaultAtts);
|
|
}
|
|
hashTableClear(&(p->generalEntities));
|
|
#ifdef XML_DTD
|
|
p->paramEntityRead = XML_FALSE;
|
|
hashTableClear(&(p->paramEntities));
|
|
#endif /* XML_DTD */
|
|
hashTableClear(&(p->elementTypes));
|
|
hashTableClear(&(p->attributeIds));
|
|
hashTableClear(&(p->prefixes));
|
|
poolClear(&(p->pool));
|
|
poolClear(&(p->entityValuePool));
|
|
p->defaultPrefix.name = NULL;
|
|
p->defaultPrefix.binding = NULL;
|
|
|
|
p->in_eldecl = XML_FALSE;
|
|
|
|
ms->free_fcn(p->scaffIndex);
|
|
p->scaffIndex = NULL;
|
|
ms->free_fcn(p->scaffold);
|
|
p->scaffold = NULL;
|
|
|
|
p->scaffLevel = 0;
|
|
p->scaffSize = 0;
|
|
p->scaffCount = 0;
|
|
p->contentStringLen = 0;
|
|
|
|
p->keepProcessing = XML_TRUE;
|
|
p->hasParamEntityRefs = XML_FALSE;
|
|
p->standalone = XML_FALSE;
|
|
}
|
|
|
|
static void
|
|
dtdDestroy(DTD *p, XML_Bool isDocEntity, const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
HASH_TABLE_ITER iter;
|
|
hashTableIterInit(&iter, &(p->elementTypes));
|
|
for (;;) {
|
|
ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter);
|
|
if (!e)
|
|
break;
|
|
if (e->allocDefaultAtts != 0)
|
|
ms->free_fcn(e->defaultAtts);
|
|
}
|
|
hashTableDestroy(&(p->generalEntities));
|
|
#ifdef XML_DTD
|
|
hashTableDestroy(&(p->paramEntities));
|
|
#endif /* XML_DTD */
|
|
hashTableDestroy(&(p->elementTypes));
|
|
hashTableDestroy(&(p->attributeIds));
|
|
hashTableDestroy(&(p->prefixes));
|
|
poolDestroy(&(p->pool));
|
|
poolDestroy(&(p->entityValuePool));
|
|
if (isDocEntity) {
|
|
ms->free_fcn(p->scaffIndex);
|
|
ms->free_fcn(p->scaffold);
|
|
}
|
|
ms->free_fcn(p);
|
|
}
|
|
|
|
/* Do a deep copy of the DTD. Return 0 for out of memory, non-zero otherwise.
|
|
The new DTD has already been initialized.
|
|
*/
|
|
static int
|
|
dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
HASH_TABLE_ITER iter;
|
|
|
|
/* Copy the prefix table. */
|
|
|
|
hashTableIterInit(&iter, &(oldDtd->prefixes));
|
|
for (;;) {
|
|
const XML_Char *name;
|
|
const PREFIX *oldP = (PREFIX *)hashTableIterNext(&iter);
|
|
if (!oldP)
|
|
break;
|
|
name = poolCopyString(&(newDtd->pool), oldP->name);
|
|
if (!name)
|
|
return 0;
|
|
if (!lookup(oldParser, &(newDtd->prefixes), name, sizeof(PREFIX)))
|
|
return 0;
|
|
}
|
|
|
|
hashTableIterInit(&iter, &(oldDtd->attributeIds));
|
|
|
|
/* Copy the attribute id table. */
|
|
|
|
for (;;) {
|
|
ATTRIBUTE_ID *newA;
|
|
const XML_Char *name;
|
|
const ATTRIBUTE_ID *oldA = (ATTRIBUTE_ID *)hashTableIterNext(&iter);
|
|
|
|
if (!oldA)
|
|
break;
|
|
/* Remember to allocate the scratch byte before the name. */
|
|
if (!poolAppendChar(&(newDtd->pool), XML_T('\0')))
|
|
return 0;
|
|
name = poolCopyString(&(newDtd->pool), oldA->name);
|
|
if (!name)
|
|
return 0;
|
|
++name;
|
|
newA = (ATTRIBUTE_ID *)lookup(oldParser, &(newDtd->attributeIds), name,
|
|
sizeof(ATTRIBUTE_ID));
|
|
if (!newA)
|
|
return 0;
|
|
newA->maybeTokenized = oldA->maybeTokenized;
|
|
if (oldA->prefix) {
|
|
newA->xmlns = oldA->xmlns;
|
|
if (oldA->prefix == &oldDtd->defaultPrefix)
|
|
newA->prefix = &newDtd->defaultPrefix;
|
|
else
|
|
newA->prefix = (PREFIX *)lookup(oldParser, &(newDtd->prefixes),
|
|
oldA->prefix->name, 0);
|
|
}
|
|
}
|
|
|
|
/* Copy the element type table. */
|
|
|
|
hashTableIterInit(&iter, &(oldDtd->elementTypes));
|
|
|
|
for (;;) {
|
|
int i;
|
|
ELEMENT_TYPE *newE;
|
|
const XML_Char *name;
|
|
const ELEMENT_TYPE *oldE = (ELEMENT_TYPE *)hashTableIterNext(&iter);
|
|
if (!oldE)
|
|
break;
|
|
name = poolCopyString(&(newDtd->pool), oldE->name);
|
|
if (!name)
|
|
return 0;
|
|
newE = (ELEMENT_TYPE *)lookup(oldParser, &(newDtd->elementTypes), name,
|
|
sizeof(ELEMENT_TYPE));
|
|
if (!newE)
|
|
return 0;
|
|
if (oldE->nDefaultAtts) {
|
|
newE->defaultAtts = (DEFAULT_ATTRIBUTE *)
|
|
ms->malloc_fcn(oldE->nDefaultAtts * sizeof(DEFAULT_ATTRIBUTE));
|
|
if (!newE->defaultAtts) {
|
|
return 0;
|
|
}
|
|
}
|
|
if (oldE->idAtt)
|
|
newE->idAtt = (ATTRIBUTE_ID *)
|
|
lookup(oldParser, &(newDtd->attributeIds), oldE->idAtt->name, 0);
|
|
newE->allocDefaultAtts = newE->nDefaultAtts = oldE->nDefaultAtts;
|
|
if (oldE->prefix)
|
|
newE->prefix = (PREFIX *)lookup(oldParser, &(newDtd->prefixes),
|
|
oldE->prefix->name, 0);
|
|
for (i = 0; i < newE->nDefaultAtts; i++) {
|
|
newE->defaultAtts[i].id = (ATTRIBUTE_ID *)
|
|
lookup(oldParser, &(newDtd->attributeIds), oldE->defaultAtts[i].id->name, 0);
|
|
newE->defaultAtts[i].isCdata = oldE->defaultAtts[i].isCdata;
|
|
if (oldE->defaultAtts[i].value) {
|
|
newE->defaultAtts[i].value
|
|
= poolCopyString(&(newDtd->pool), oldE->defaultAtts[i].value);
|
|
if (!newE->defaultAtts[i].value)
|
|
return 0;
|
|
}
|
|
else
|
|
newE->defaultAtts[i].value = NULL;
|
|
}
|
|
}
|
|
|
|
/* Copy the entity tables. */
|
|
if (!copyEntityTable(oldParser,
|
|
&(newDtd->generalEntities),
|
|
&(newDtd->pool),
|
|
&(oldDtd->generalEntities)))
|
|
return 0;
|
|
|
|
#ifdef XML_DTD
|
|
if (!copyEntityTable(oldParser,
|
|
&(newDtd->paramEntities),
|
|
&(newDtd->pool),
|
|
&(oldDtd->paramEntities)))
|
|
return 0;
|
|
newDtd->paramEntityRead = oldDtd->paramEntityRead;
|
|
#endif /* XML_DTD */
|
|
|
|
newDtd->keepProcessing = oldDtd->keepProcessing;
|
|
newDtd->hasParamEntityRefs = oldDtd->hasParamEntityRefs;
|
|
newDtd->standalone = oldDtd->standalone;
|
|
|
|
/* Don't want deep copying for scaffolding */
|
|
newDtd->in_eldecl = oldDtd->in_eldecl;
|
|
newDtd->scaffold = oldDtd->scaffold;
|
|
newDtd->contentStringLen = oldDtd->contentStringLen;
|
|
newDtd->scaffSize = oldDtd->scaffSize;
|
|
newDtd->scaffLevel = oldDtd->scaffLevel;
|
|
newDtd->scaffIndex = oldDtd->scaffIndex;
|
|
|
|
return 1;
|
|
} /* End dtdCopy */
|
|
|
|
static int
|
|
copyEntityTable(XML_Parser oldParser,
|
|
HASH_TABLE *newTable,
|
|
STRING_POOL *newPool,
|
|
const HASH_TABLE *oldTable)
|
|
{
|
|
HASH_TABLE_ITER iter;
|
|
const XML_Char *cachedOldBase = NULL;
|
|
const XML_Char *cachedNewBase = NULL;
|
|
|
|
hashTableIterInit(&iter, oldTable);
|
|
|
|
for (;;) {
|
|
ENTITY *newE;
|
|
const XML_Char *name;
|
|
const ENTITY *oldE = (ENTITY *)hashTableIterNext(&iter);
|
|
if (!oldE)
|
|
break;
|
|
name = poolCopyString(newPool, oldE->name);
|
|
if (!name)
|
|
return 0;
|
|
newE = (ENTITY *)lookup(oldParser, newTable, name, sizeof(ENTITY));
|
|
if (!newE)
|
|
return 0;
|
|
if (oldE->systemId) {
|
|
const XML_Char *tem = poolCopyString(newPool, oldE->systemId);
|
|
if (!tem)
|
|
return 0;
|
|
newE->systemId = tem;
|
|
if (oldE->base) {
|
|
if (oldE->base == cachedOldBase)
|
|
newE->base = cachedNewBase;
|
|
else {
|
|
cachedOldBase = oldE->base;
|
|
tem = poolCopyString(newPool, cachedOldBase);
|
|
if (!tem)
|
|
return 0;
|
|
cachedNewBase = newE->base = tem;
|
|
}
|
|
}
|
|
if (oldE->publicId) {
|
|
tem = poolCopyString(newPool, oldE->publicId);
|
|
if (!tem)
|
|
return 0;
|
|
newE->publicId = tem;
|
|
}
|
|
}
|
|
else {
|
|
const XML_Char *tem = poolCopyStringN(newPool, oldE->textPtr,
|
|
oldE->textLen);
|
|
if (!tem)
|
|
return 0;
|
|
newE->textPtr = tem;
|
|
newE->textLen = oldE->textLen;
|
|
}
|
|
if (oldE->notation) {
|
|
const XML_Char *tem = poolCopyString(newPool, oldE->notation);
|
|
if (!tem)
|
|
return 0;
|
|
newE->notation = tem;
|
|
}
|
|
newE->is_param = oldE->is_param;
|
|
newE->is_internal = oldE->is_internal;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#define INIT_POWER 6
|
|
|
|
static XML_Bool FASTCALL
|
|
keyeq(KEY s1, KEY s2)
|
|
{
|
|
for (; *s1 == *s2; s1++, s2++)
|
|
if (*s1 == 0)
|
|
return XML_TRUE;
|
|
return XML_FALSE;
|
|
}
|
|
|
|
static size_t
|
|
keylen(KEY s)
|
|
{
|
|
size_t len = 0;
|
|
for (; *s; s++, len++);
|
|
return len;
|
|
}
|
|
|
|
static void
|
|
copy_salt_to_sipkey(XML_Parser parser, struct sipkey * key)
|
|
{
|
|
key->k[0] = 0;
|
|
key->k[1] = get_hash_secret_salt(parser);
|
|
}
|
|
|
|
static unsigned long FASTCALL
|
|
hash(XML_Parser parser, KEY s)
|
|
{
|
|
struct siphash state;
|
|
struct sipkey key;
|
|
(void)sip_tobin;
|
|
(void)sip24_valid;
|
|
copy_salt_to_sipkey(parser, &key);
|
|
sip24_init(&state, &key);
|
|
sip24_update(&state, s, keylen(s) * sizeof(XML_Char));
|
|
return (unsigned long)sip24_final(&state);
|
|
}
|
|
|
|
static NAMED *
|
|
lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize)
|
|
{
|
|
size_t i;
|
|
if (table->size == 0) {
|
|
size_t tsize;
|
|
if (!createSize)
|
|
return NULL;
|
|
table->power = INIT_POWER;
|
|
/* table->size is a power of 2 */
|
|
table->size = (size_t)1 << INIT_POWER;
|
|
tsize = table->size * sizeof(NAMED *);
|
|
table->v = (NAMED **)table->mem->malloc_fcn(tsize);
|
|
if (!table->v) {
|
|
table->size = 0;
|
|
return NULL;
|
|
}
|
|
memset(table->v, 0, tsize);
|
|
i = hash(parser, name) & ((unsigned long)table->size - 1);
|
|
}
|
|
else {
|
|
unsigned long h = hash(parser, name);
|
|
unsigned long mask = (unsigned long)table->size - 1;
|
|
unsigned char step = 0;
|
|
i = h & mask;
|
|
while (table->v[i]) {
|
|
if (keyeq(name, table->v[i]->name))
|
|
return table->v[i];
|
|
if (!step)
|
|
step = PROBE_STEP(h, mask, table->power);
|
|
i < step ? (i += table->size - step) : (i -= step);
|
|
}
|
|
if (!createSize)
|
|
return NULL;
|
|
|
|
/* check for overflow (table is half full) */
|
|
if (table->used >> (table->power - 1)) {
|
|
unsigned char newPower = table->power + 1;
|
|
size_t newSize = (size_t)1 << newPower;
|
|
unsigned long newMask = (unsigned long)newSize - 1;
|
|
size_t tsize = newSize * sizeof(NAMED *);
|
|
NAMED **newV = (NAMED **)table->mem->malloc_fcn(tsize);
|
|
if (!newV)
|
|
return NULL;
|
|
memset(newV, 0, tsize);
|
|
for (i = 0; i < table->size; i++)
|
|
if (table->v[i]) {
|
|
unsigned long newHash = hash(parser, table->v[i]->name);
|
|
size_t j = newHash & newMask;
|
|
step = 0;
|
|
while (newV[j]) {
|
|
if (!step)
|
|
step = PROBE_STEP(newHash, newMask, newPower);
|
|
j < step ? (j += newSize - step) : (j -= step);
|
|
}
|
|
newV[j] = table->v[i];
|
|
}
|
|
table->mem->free_fcn(table->v);
|
|
table->v = newV;
|
|
table->power = newPower;
|
|
table->size = newSize;
|
|
i = h & newMask;
|
|
step = 0;
|
|
while (table->v[i]) {
|
|
if (!step)
|
|
step = PROBE_STEP(h, newMask, newPower);
|
|
i < step ? (i += newSize - step) : (i -= step);
|
|
}
|
|
}
|
|
}
|
|
table->v[i] = (NAMED *)table->mem->malloc_fcn(createSize);
|
|
if (!table->v[i])
|
|
return NULL;
|
|
memset(table->v[i], 0, createSize);
|
|
table->v[i]->name = name;
|
|
(table->used)++;
|
|
return table->v[i];
|
|
}
|
|
|
|
static void FASTCALL
|
|
hashTableClear(HASH_TABLE *table)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < table->size; i++) {
|
|
table->mem->free_fcn(table->v[i]);
|
|
table->v[i] = NULL;
|
|
}
|
|
table->used = 0;
|
|
}
|
|
|
|
static void FASTCALL
|
|
hashTableDestroy(HASH_TABLE *table)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < table->size; i++)
|
|
table->mem->free_fcn(table->v[i]);
|
|
table->mem->free_fcn(table->v);
|
|
}
|
|
|
|
static void FASTCALL
|
|
hashTableInit(HASH_TABLE *p, const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
p->power = 0;
|
|
p->size = 0;
|
|
p->used = 0;
|
|
p->v = NULL;
|
|
p->mem = ms;
|
|
}
|
|
|
|
static void FASTCALL
|
|
hashTableIterInit(HASH_TABLE_ITER *iter, const HASH_TABLE *table)
|
|
{
|
|
iter->p = table->v;
|
|
iter->end = iter->p + table->size;
|
|
}
|
|
|
|
static NAMED * FASTCALL
|
|
hashTableIterNext(HASH_TABLE_ITER *iter)
|
|
{
|
|
while (iter->p != iter->end) {
|
|
NAMED *tem = *(iter->p)++;
|
|
if (tem)
|
|
return tem;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void FASTCALL
|
|
poolInit(STRING_POOL *pool, const XML_Memory_Handling_Suite *ms)
|
|
{
|
|
pool->blocks = NULL;
|
|
pool->freeBlocks = NULL;
|
|
pool->start = NULL;
|
|
pool->ptr = NULL;
|
|
pool->end = NULL;
|
|
pool->mem = ms;
|
|
}
|
|
|
|
static void FASTCALL
|
|
poolClear(STRING_POOL *pool)
|
|
{
|
|
if (!pool->freeBlocks)
|
|
pool->freeBlocks = pool->blocks;
|
|
else {
|
|
BLOCK *p = pool->blocks;
|
|
while (p) {
|
|
BLOCK *tem = p->next;
|
|
p->next = pool->freeBlocks;
|
|
pool->freeBlocks = p;
|
|
p = tem;
|
|
}
|
|
}
|
|
pool->blocks = NULL;
|
|
pool->start = NULL;
|
|
pool->ptr = NULL;
|
|
pool->end = NULL;
|
|
}
|
|
|
|
static void FASTCALL
|
|
poolDestroy(STRING_POOL *pool)
|
|
{
|
|
BLOCK *p = pool->blocks;
|
|
while (p) {
|
|
BLOCK *tem = p->next;
|
|
pool->mem->free_fcn(p);
|
|
p = tem;
|
|
}
|
|
p = pool->freeBlocks;
|
|
while (p) {
|
|
BLOCK *tem = p->next;
|
|
pool->mem->free_fcn(p);
|
|
p = tem;
|
|
}
|
|
}
|
|
|
|
static XML_Char *
|
|
poolAppend(STRING_POOL *pool, const ENCODING *enc,
|
|
const char *ptr, const char *end)
|
|
{
|
|
if (!pool->ptr && !poolGrow(pool))
|
|
return NULL;
|
|
for (;;) {
|
|
const enum XML_Convert_Result convert_res = XmlConvert(enc, &ptr, end, (ICHAR **)&(pool->ptr), (ICHAR *)pool->end);
|
|
if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE))
|
|
break;
|
|
if (!poolGrow(pool))
|
|
return NULL;
|
|
}
|
|
return pool->start;
|
|
}
|
|
|
|
static const XML_Char * FASTCALL
|
|
poolCopyString(STRING_POOL *pool, const XML_Char *s)
|
|
{
|
|
do {
|
|
if (!poolAppendChar(pool, *s))
|
|
return NULL;
|
|
} while (*s++);
|
|
s = pool->start;
|
|
poolFinish(pool);
|
|
return s;
|
|
}
|
|
|
|
static const XML_Char *
|
|
poolCopyStringN(STRING_POOL *pool, const XML_Char *s, int n)
|
|
{
|
|
if (!pool->ptr && !poolGrow(pool))
|
|
return NULL;
|
|
for (; n > 0; --n, s++) {
|
|
if (!poolAppendChar(pool, *s))
|
|
return NULL;
|
|
}
|
|
s = pool->start;
|
|
poolFinish(pool);
|
|
return s;
|
|
}
|
|
|
|
static const XML_Char * FASTCALL
|
|
poolAppendString(STRING_POOL *pool, const XML_Char *s)
|
|
{
|
|
while (*s) {
|
|
if (!poolAppendChar(pool, *s))
|
|
return NULL;
|
|
s++;
|
|
}
|
|
return pool->start;
|
|
}
|
|
|
|
static XML_Char *
|
|
poolStoreString(STRING_POOL *pool, const ENCODING *enc,
|
|
const char *ptr, const char *end)
|
|
{
|
|
if (!poolAppend(pool, enc, ptr, end))
|
|
return NULL;
|
|
if (pool->ptr == pool->end && !poolGrow(pool))
|
|
return NULL;
|
|
*(pool->ptr)++ = 0;
|
|
return pool->start;
|
|
}
|
|
|
|
static size_t
|
|
poolBytesToAllocateFor(int blockSize)
|
|
{
|
|
/* Unprotected math would be:
|
|
** return offsetof(BLOCK, s) + blockSize * sizeof(XML_Char);
|
|
**
|
|
** Detect overflow, avoiding _signed_ overflow undefined behavior
|
|
** For a + b * c we check b * c in isolation first, so that addition of a
|
|
** on top has no chance of making us accept a small non-negative number
|
|
*/
|
|
const size_t stretch = sizeof(XML_Char); /* can be 4 bytes */
|
|
|
|
if (blockSize <= 0)
|
|
return 0;
|
|
|
|
if (blockSize > (int)(INT_MAX / stretch))
|
|
return 0;
|
|
|
|
{
|
|
const int stretchedBlockSize = blockSize * (int)stretch;
|
|
const int bytesToAllocate = (int)(
|
|
offsetof(BLOCK, s) + (unsigned)stretchedBlockSize);
|
|
if (bytesToAllocate < 0)
|
|
return 0;
|
|
|
|
return (size_t)bytesToAllocate;
|
|
}
|
|
}
|
|
|
|
static XML_Bool FASTCALL
|
|
poolGrow(STRING_POOL *pool)
|
|
{
|
|
if (pool->freeBlocks) {
|
|
if (pool->start == 0) {
|
|
pool->blocks = pool->freeBlocks;
|
|
pool->freeBlocks = pool->freeBlocks->next;
|
|
pool->blocks->next = NULL;
|
|
pool->start = pool->blocks->s;
|
|
pool->end = pool->start + pool->blocks->size;
|
|
pool->ptr = pool->start;
|
|
return XML_TRUE;
|
|
}
|
|
if (pool->end - pool->start < pool->freeBlocks->size) {
|
|
BLOCK *tem = pool->freeBlocks->next;
|
|
pool->freeBlocks->next = pool->blocks;
|
|
pool->blocks = pool->freeBlocks;
|
|
pool->freeBlocks = tem;
|
|
memcpy(pool->blocks->s, pool->start,
|
|
(pool->end - pool->start) * sizeof(XML_Char));
|
|
pool->ptr = pool->blocks->s + (pool->ptr - pool->start);
|
|
pool->start = pool->blocks->s;
|
|
pool->end = pool->start + pool->blocks->size;
|
|
return XML_TRUE;
|
|
}
|
|
}
|
|
if (pool->blocks && pool->start == pool->blocks->s) {
|
|
BLOCK *temp;
|
|
int blockSize = (int)((unsigned)(pool->end - pool->start)*2U);
|
|
size_t bytesToAllocate;
|
|
|
|
if (blockSize < 0)
|
|
return XML_FALSE;
|
|
|
|
bytesToAllocate = poolBytesToAllocateFor(blockSize);
|
|
if (bytesToAllocate == 0)
|
|
return XML_FALSE;
|
|
|
|
temp = (BLOCK *)
|
|
pool->mem->realloc_fcn(pool->blocks, (unsigned)bytesToAllocate);
|
|
if (temp == NULL)
|
|
return XML_FALSE;
|
|
pool->blocks = temp;
|
|
pool->blocks->size = blockSize;
|
|
pool->ptr = pool->blocks->s + (pool->ptr - pool->start);
|
|
pool->start = pool->blocks->s;
|
|
pool->end = pool->start + blockSize;
|
|
}
|
|
else {
|
|
BLOCK *tem;
|
|
int blockSize = (int)(pool->end - pool->start);
|
|
size_t bytesToAllocate;
|
|
|
|
if (blockSize < 0)
|
|
return XML_FALSE;
|
|
|
|
if (blockSize < INIT_BLOCK_SIZE)
|
|
blockSize = INIT_BLOCK_SIZE;
|
|
else {
|
|
/* Detect overflow, avoiding _signed_ overflow undefined behavior */
|
|
if ((int)((unsigned)blockSize * 2U) < 0) {
|
|
return XML_FALSE;
|
|
}
|
|
blockSize *= 2;
|
|
}
|
|
|
|
bytesToAllocate = poolBytesToAllocateFor(blockSize);
|
|
if (bytesToAllocate == 0)
|
|
return XML_FALSE;
|
|
|
|
tem = (BLOCK *)pool->mem->malloc_fcn(bytesToAllocate);
|
|
if (!tem)
|
|
return XML_FALSE;
|
|
tem->size = blockSize;
|
|
tem->next = pool->blocks;
|
|
pool->blocks = tem;
|
|
if (pool->ptr != pool->start)
|
|
memcpy(tem->s, pool->start,
|
|
(pool->ptr - pool->start) * sizeof(XML_Char));
|
|
pool->ptr = tem->s + (pool->ptr - pool->start);
|
|
pool->start = tem->s;
|
|
pool->end = tem->s + blockSize;
|
|
}
|
|
return XML_TRUE;
|
|
}
|
|
|
|
static int FASTCALL
|
|
nextScaffoldPart(XML_Parser parser)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
CONTENT_SCAFFOLD * me;
|
|
int next;
|
|
|
|
if (!dtd->scaffIndex) {
|
|
dtd->scaffIndex = (int *)MALLOC(groupSize * sizeof(int));
|
|
if (!dtd->scaffIndex)
|
|
return -1;
|
|
dtd->scaffIndex[0] = 0;
|
|
}
|
|
|
|
if (dtd->scaffCount >= dtd->scaffSize) {
|
|
CONTENT_SCAFFOLD *temp;
|
|
if (dtd->scaffold) {
|
|
temp = (CONTENT_SCAFFOLD *)
|
|
REALLOC(dtd->scaffold, dtd->scaffSize * 2 * sizeof(CONTENT_SCAFFOLD));
|
|
if (temp == NULL)
|
|
return -1;
|
|
dtd->scaffSize *= 2;
|
|
}
|
|
else {
|
|
temp = (CONTENT_SCAFFOLD *)MALLOC(INIT_SCAFFOLD_ELEMENTS
|
|
* sizeof(CONTENT_SCAFFOLD));
|
|
if (temp == NULL)
|
|
return -1;
|
|
dtd->scaffSize = INIT_SCAFFOLD_ELEMENTS;
|
|
}
|
|
dtd->scaffold = temp;
|
|
}
|
|
next = dtd->scaffCount++;
|
|
me = &dtd->scaffold[next];
|
|
if (dtd->scaffLevel) {
|
|
CONTENT_SCAFFOLD *parent = &dtd->scaffold[dtd->scaffIndex[dtd->scaffLevel-1]];
|
|
if (parent->lastchild) {
|
|
dtd->scaffold[parent->lastchild].nextsib = next;
|
|
}
|
|
if (!parent->childcnt)
|
|
parent->firstchild = next;
|
|
parent->lastchild = next;
|
|
parent->childcnt++;
|
|
}
|
|
me->firstchild = me->lastchild = me->childcnt = me->nextsib = 0;
|
|
return next;
|
|
}
|
|
|
|
static void
|
|
build_node(XML_Parser parser,
|
|
int src_node,
|
|
XML_Content *dest,
|
|
XML_Content **contpos,
|
|
XML_Char **strpos)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
dest->type = dtd->scaffold[src_node].type;
|
|
dest->quant = dtd->scaffold[src_node].quant;
|
|
if (dest->type == XML_CTYPE_NAME) {
|
|
const XML_Char *src;
|
|
dest->name = *strpos;
|
|
src = dtd->scaffold[src_node].name;
|
|
for (;;) {
|
|
*(*strpos)++ = *src;
|
|
if (!*src)
|
|
break;
|
|
src++;
|
|
}
|
|
dest->numchildren = 0;
|
|
dest->children = NULL;
|
|
}
|
|
else {
|
|
unsigned int i;
|
|
int cn;
|
|
dest->numchildren = dtd->scaffold[src_node].childcnt;
|
|
dest->children = *contpos;
|
|
*contpos += dest->numchildren;
|
|
for (i = 0, cn = dtd->scaffold[src_node].firstchild;
|
|
i < dest->numchildren;
|
|
i++, cn = dtd->scaffold[cn].nextsib) {
|
|
build_node(parser, cn, &(dest->children[i]), contpos, strpos);
|
|
}
|
|
dest->name = NULL;
|
|
}
|
|
}
|
|
|
|
static XML_Content *
|
|
build_model (XML_Parser parser)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
XML_Content *ret;
|
|
XML_Content *cpos;
|
|
XML_Char * str;
|
|
int allocsize = (dtd->scaffCount * sizeof(XML_Content)
|
|
+ (dtd->contentStringLen * sizeof(XML_Char)));
|
|
|
|
ret = (XML_Content *)MALLOC(allocsize);
|
|
if (!ret)
|
|
return NULL;
|
|
|
|
str = (XML_Char *) (&ret[dtd->scaffCount]);
|
|
cpos = &ret[1];
|
|
|
|
build_node(parser, 0, ret, &cpos, &str);
|
|
return ret;
|
|
}
|
|
|
|
static ELEMENT_TYPE *
|
|
getElementType(XML_Parser parser,
|
|
const ENCODING *enc,
|
|
const char *ptr,
|
|
const char *end)
|
|
{
|
|
DTD * const dtd = _dtd; /* save one level of indirection */
|
|
const XML_Char *name = poolStoreString(&dtd->pool, enc, ptr, end);
|
|
ELEMENT_TYPE *ret;
|
|
|
|
if (!name)
|
|
return NULL;
|
|
ret = (ELEMENT_TYPE *) lookup(parser, &dtd->elementTypes, name, sizeof(ELEMENT_TYPE));
|
|
if (!ret)
|
|
return NULL;
|
|
if (ret->name != name)
|
|
poolDiscard(&dtd->pool);
|
|
else {
|
|
poolFinish(&dtd->pool);
|
|
if (!setElementTypePrefix(parser, ret))
|
|
return NULL;
|
|
}
|
|
return ret;
|
|
}
|