92 lines
3.9 KiB
C
92 lines
3.9 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: include/wx/msw/iniconf.h
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// Purpose: INI-file based wxConfigBase implementation
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 27.07.98
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _INICONF_H
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#define _INICONF_H
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// ----------------------------------------------------------------------------
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// wxIniConfig is a wxConfig implementation which uses MS Windows INI files to
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// store the data. Because INI files don't really support arbitrary nesting of
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// groups, we do the following:
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// (1) in win.ini file we store all entries in the [vendor] section and
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// the value group1/group2/key is mapped to the value group1_group2_key
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// in this section, i.e. all path separators are replaced with underscore
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// (2) in appname.ini file we map group1/group2/group3/key to the entry
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// group2_group3_key in [group1]
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//
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// Of course, it might lead to indesirable results if '_' is also used in key
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// names (i.e. group/key is the same as group_key) and also GetPath() result
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// may be not what you would expect it to be.
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//
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// Another limitation: the keys and section names are never case-sensitive
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// which might differ from wxFileConfig it it was compiled with
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// wxCONFIG_CASE_SENSITIVE option.
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// ----------------------------------------------------------------------------
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// for this class, "local" file is the file appname.ini and the global file
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// is the [vendor] subsection of win.ini (default for "vendor" is to be the
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// same as appname). The file name (strAppName parameter) may, in fact,
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// contain the full path to the file. If it doesn't, the file is searched for
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// in the Windows directory.
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class wxIniConfig : public wxConfigBase
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{
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public:
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// ctor & dtor
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// if strAppName doesn't contain the extension and is not an absolute path,
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// ".ini" is appended to it. if strVendor is empty, it's taken to be the
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// same as strAppName.
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wxIniConfig(const wxString& strAppName, const wxString& strVendor = "");
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virtual ~wxIniConfig();
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// implement inherited pure virtual functions
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virtual void SetPath(const wxString& strPath);
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virtual const wxString& GetPath() const;
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virtual bool GetFirstGroup(wxString& str, long& lIndex) const;
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virtual bool GetNextGroup (wxString& str, long& lIndex) const;
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virtual bool GetFirstEntry(wxString& str, long& lIndex) const;
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virtual bool GetNextEntry (wxString& str, long& lIndex) const;
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virtual uint GetNumberOfEntries(bool bRecursive = FALSE) const;
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virtual uint GetNumberOfGroups(bool bRecursive = FALSE) const;
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virtual bool HasGroup(const wxString& strName) const;
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virtual bool HasEntry(const wxString& strName) const;
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// return TRUE if the current group is empty
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bool IsEmpty() const;
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virtual bool Read(wxString *pstr, const char *szKey,
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const char *szDefault = 0) const;
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virtual const char *Read(const char *szKey,
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const char *szDefault = 0) const;
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virtual bool Read(long *pl, const char *szKey, long lDefault) const;
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virtual long Read(const char *szKey, long lDefault) const;
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virtual bool Write(const char *szKey, const char *szValue);
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virtual bool Write(const char *szKey, long lValue);
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virtual bool Flush(bool bCurrentOnly = FALSE);
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virtual bool DeleteEntry(const char *szKey, bool bGroupIfEmptyAlso);
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virtual bool DeleteGroup(const char *szKey);
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virtual bool DeleteAll();
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private:
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// helpers
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wxString GetPrivateKeyName(const char *szKey) const;
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wxString GetKeyName(const char *szKey) const;
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wxString m_strAppName, // name of the private INI file
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m_strVendor; // name of our section in WIN.INI
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wxString m_strGroup, // current group in appname.ini file
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m_strPath; // the rest of the path (no trailing '_'!)
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};
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#endif //_INICONF_H
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