wxWidgets/include/wx/richtext/richtextxml.h
Paul Cornett c5faf9cfac Avoid passing float argument for "%f" printf specifier
"%f" takes a double. Eliminates some -Wdouble-promotion warnings.
2020-04-21 11:59:36 -07:00

243 lines
9.8 KiB
Objective-C

/////////////////////////////////////////////////////////////////////////////
// Name: wx/richtext/richtextxml.h
// Purpose: XML and HTML I/O for wxRichTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 2005-09-30
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_RICHTEXTXML_H_
#define _WX_RICHTEXTXML_H_
/*!
* Includes
*/
#include "wx/hashmap.h"
#include "wx/richtext/richtextbuffer.h"
#include "wx/richtext/richtextstyles.h"
#if wxUSE_RICHTEXT && wxUSE_XML
/*!
@class wxRichTextXMLHelper
A utility class to help with XML import/export, that can be used outside
saving a buffer if needed.
*/
class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHelper: public wxObject
{
public:
wxRichTextXMLHelper() { Init(); }
wxRichTextXMLHelper(const wxString& enc) { Init(); SetupForSaving(enc); }
~wxRichTextXMLHelper();
void Init();
void SetupForSaving(const wxString& enc);
void Clear();
void SetFileEncoding(const wxString& encoding) { m_fileEncoding = encoding; }
const wxString& GetFileEncoding() const { return m_fileEncoding; }
// Convert a colour to a 6-digit hex string
static wxString ColourToHexString(const wxColour& col);
// Convert 6-digit hex string to a colour
static wxColour HexStringToColour(const wxString& hex);
static wxString MakeString(const int& v) { return wxString::Format(wxT("%d"), v); }
static wxString MakeString(const long& v) { return wxString::Format(wxT("%ld"), v); }
static wxString MakeString(const double& v) { return wxString::Format(wxS("%.2f"), v); }
static wxString MakeString(const wxString& s) { return s; }
static wxString MakeString(const wxColour& col) { return wxT("#") + ColourToHexString(col); }
static bool HasParam(wxXmlNode* node, const wxString& param);
static wxXmlNode *GetParamNode(wxXmlNode* node, const wxString& param);
static wxString GetNodeContent(wxXmlNode *node);
static wxString GetParamValue(wxXmlNode *node, const wxString& param);
static wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString);
static wxXmlNode* FindNode(wxXmlNode* node, const wxString& name);
static wxString AttributeToXML(const wxString& str);
static bool RichTextFixFaceName(wxString& facename);
static long ColourStringToLong(const wxString& colStr);
static wxTextAttrDimension ParseDimension(const wxString& dimStr);
// Make a string from the given property. This can be overridden for custom variants.
virtual wxString MakeStringFromProperty(const wxVariant& var);
// Create a proprty from the string read from the XML file.
virtual wxVariant MakePropertyFromString(const wxString& name, const wxString& value, const wxString& type);
// Import properties
virtual bool ImportProperties(wxRichTextProperties& properties, wxXmlNode* node);
virtual bool ImportStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
virtual bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
// Get flags, as per handler flags
int GetFlags() const { return m_flags; }
void SetFlags(int flags) { m_flags = flags; }
#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
// write string to output
static void OutputString(wxOutputStream& stream, const wxString& str,
wxMBConv *convMem, wxMBConv *convFile);
static void OutputIndentation(wxOutputStream& stream, int indent);
// Same as above, but create entities first.
// Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
wxMBConv *convMem, wxMBConv *convFile);
void OutputString(wxOutputStream& stream, const wxString& str);
void OutputStringEnt(wxOutputStream& stream, const wxString& str);
static void AddString(wxString& str, const int& v) { str << wxString::Format(wxT("%d"), v); }
static void AddString(wxString& str, const long& v) { str << wxString::Format(wxT("%ld"), v); }
static void AddString(wxString& str, const double& v) { str << wxString::Format(wxS("%.2f"), v); }
static void AddString(wxString& str, const wxChar* s) { str << s; }
static void AddString(wxString& str, const wxString& s) { str << s; }
static void AddString(wxString& str, const wxColour& col) { str << wxT("#") << ColourToHexString(col); }
static void AddAttribute(wxString& str, const wxString& name, const int& v);
static void AddAttribute(wxString& str, const wxString& name, const long& v);
static void AddAttribute(wxString& str, const wxString& name, const double& v);
static void AddAttribute(wxString& str, const wxString& name, const wxChar* s);
static void AddAttribute(wxString& str, const wxString& name, const wxString& s);
static void AddAttribute(wxString& str, const wxString& name, const wxColour& col);
static void AddAttribute(wxString& str, const wxString& name, const wxTextAttrDimension& dim);
static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrDimensions& dims);
static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrBorder& border);
static void AddAttribute(wxString& str, const wxString& rootName, const wxTextAttrBorders& borders);
/// Create a string containing style attributes
static wxString AddAttributes(const wxRichTextAttr& attr, bool isPara = false);
/// Create a string containing style attributes, plus further object 'attributes' (shown, id)
static wxString AddAttributes(wxRichTextObject* obj, bool isPara = false);
virtual bool ExportStyleDefinition(wxOutputStream& stream, wxRichTextStyleDefinition* def, int level);
virtual bool WriteProperties(wxOutputStream& stream, const wxRichTextProperties& properties, int level);
#endif
#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
static void AddAttribute(wxXmlNode* node, const wxString& name, const int& v);
static void AddAttribute(wxXmlNode* node, const wxString& name, const long& v);
static void AddAttribute(wxXmlNode* node, const wxString& name, const double& v);
static void AddAttribute(wxXmlNode* node, const wxString& name, const wxString& s);
static void AddAttribute(wxXmlNode* node, const wxString& name, const wxColour& col);
static void AddAttribute(wxXmlNode* node, const wxString& name, const wxTextAttrDimension& dim);
static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrDimensions& dims);
static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrBorder& border);
static void AddAttribute(wxXmlNode* node, const wxString& rootName, const wxTextAttrBorders& borders);
static bool AddAttributes(wxXmlNode* node, wxRichTextAttr& attr, bool isPara = false);
static bool AddAttributes(wxXmlNode* node, wxRichTextObject* obj, bool isPara = false);
virtual bool ExportStyleDefinition(wxXmlNode* parent, wxRichTextStyleDefinition* def);
// Write the properties
virtual bool WriteProperties(wxXmlNode* node, const wxRichTextProperties& properties);
#endif
public:
#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
// Used during saving
wxMBConv* m_convMem;
wxMBConv* m_convFile;
bool m_deleteConvFile;
#endif
wxString m_fileEncoding;
int m_flags;
};
/*!
@class wxRichTextXMLHandler
Implements XML loading and saving. Two methods of saving are included:
writing directly to a text stream, and populating an wxXmlDocument
before writing it. The former method is considerably faster, so we favour
that one, even though the code is a little less elegant.
*/
class WXDLLIMPEXP_FWD_XML wxXmlNode;
class WXDLLIMPEXP_FWD_XML wxXmlDocument;
class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
{
wxDECLARE_DYNAMIC_CLASS(wxRichTextXMLHandler);
public:
wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
: wxRichTextFileHandler(name, ext, type)
{ Init(); }
void Init();
#if wxUSE_STREAMS
#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
/// Recursively export an object
bool ExportXML(wxOutputStream& stream, wxRichTextObject& obj, int level);
#endif
#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
bool ExportXML(wxXmlNode* parent, wxRichTextObject& obj);
#endif
/// Recursively import an object
bool ImportXML(wxRichTextBuffer* buffer, wxRichTextObject* obj, wxXmlNode* node);
#endif
/// Creates an object given an XML element name
virtual wxRichTextObject* CreateObjectForXMLName(wxRichTextObject* parent, const wxString& name) const;
/// Can we save using this handler?
virtual bool CanSave() const wxOVERRIDE { return true; }
/// Can we load using this handler?
virtual bool CanLoad() const wxOVERRIDE { return true; }
/// Returns the XML helper object, implementing functionality
/// that can be reused elsewhere.
wxRichTextXMLHelper& GetHelper() { return m_helper; }
// Implementation
/**
Call with XML node name, C++ class name so that wxRTC can read in the node.
If you add a custom object, call this.
*/
static void RegisterNodeName(const wxString& nodeName, const wxString& className) { sm_nodeNameToClassMap[nodeName] = className; }
/**
Cleans up the mapping between node name and C++ class.
*/
static void ClearNodeToClassMap() { sm_nodeNameToClassMap.clear(); }
protected:
#if wxUSE_STREAMS
virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) wxOVERRIDE;
virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) wxOVERRIDE;
#endif
wxRichTextXMLHelper m_helper;
static wxStringToStringHashMap sm_nodeNameToClassMap;
};
#endif
// wxUSE_RICHTEXT && wxUSE_XML
#endif
// _WX_RICHTEXTXML_H_