X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4040a396cb22fdaa2db0f79bd782218cd814a540..eebb8902d970787df1e70b83e011ce051ebead21:/include/wx/fileconf.h diff --git a/include/wx/fileconf.h b/include/wx/fileconf.h index e9d45d9e11..c3dfb5d772 100644 --- a/include/wx/fileconf.h +++ b/include/wx/fileconf.h @@ -1,30 +1,26 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: fileconf.h +// Name: wx/fileconf.h // Purpose: wxFileConfig derivation of wxConfigBase // Author: Vadim Zeitlin // Modified by: // Created: 07.04.98 (adapted from appconf.cpp) // RCS-ID: $Id$ -// Copyright: (c) 1997 Karsten Ballüder & Vadim Zeitlin +// Copyright: (c) 1997 Karsten Ballueder & Vadim Zeitlin // Ballueder@usa.net -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _FILECONF_H #define _FILECONF_H -#ifdef __GNUG__ -#pragma interface "fileconf.h" -#endif - #include "wx/defs.h" -#ifdef wxUSE_CONFIG +#if wxUSE_CONFIG -#include "wx/confbase.h" #include "wx/textfile.h" #include "wx/string.h" - +#include "wx/confbase.h" +#include "wx/filename.h" // ---------------------------------------------------------------------------- // wxFileConfig @@ -90,12 +86,20 @@ in the entries it reads: for example, if you have an entry score_file = $HOME/.score a call to Read(&str, "score_file") will return a complete path to .score file - unless the expansion was previousle disabled with SetExpandEnvVars(FALSE) call + unless the expansion was previously disabled with SetExpandEnvVars(false) call (it's on by default, the current status can be retrieved with IsExpandingEnvVars function). */ +class WXDLLIMPEXP_FWD_BASE wxFileConfigGroup; +class WXDLLIMPEXP_FWD_BASE wxFileConfigEntry; +class WXDLLIMPEXP_FWD_BASE wxFileConfigLineList; + +#if wxUSE_STREAMS +class WXDLLIMPEXP_FWD_BASE wxInputStream; +class WXDLLIMPEXP_FWD_BASE wxOutputStream; +#endif // wxUSE_STREAMS -class WXDLLEXPORT wxFileConfig : public wxConfigBase +class WXDLLIMPEXP_BASE wxFileConfig : public wxConfigBase { public: // construct the "standard" full name for global (system-wide) and @@ -106,121 +110,104 @@ public: // Unix /etc/file.ext ~/.file // Win %windir%\file.ext %USERPROFILE%\file.ext // - // where file is the basename of szFile, ext is it's extension + // where file is the basename of szFile, ext is its extension // or .conf (Unix) or .ini (Win) if it has none - static wxString GetGlobalFileName(const char *szFile); - static wxString GetLocalFileName(const char *szFile); + static wxFileName GetGlobalFile(const wxString& szFile); + static wxFileName GetLocalFile(const wxString& szFile, int style = 0); - // ctor & dtor + static wxString GetGlobalFileName(const wxString& szFile) + { + return GetGlobalFile(szFile).GetFullPath(); + } -#if 0 - // the names of local and global (if not disabled) config files are - // constructed using Get{Local|Global}FileName functions described above - // (szAppName is just the (short) name of your application) - wxFileConfig(const char *szAppName, bool bLocalOnly = FALSE); - // this ctor allows you to specify custom names for both files (if strGlobal - // isn't a full path, it's considered to be relative to the standard - // directory, i.e. /etc under Unix and %windir% under Windows, if strLocal - // is not an absolute path, it's considered to be relative to the user's - // directory). If either of strings is empty, the corresponding file is not - // used. - wxFileConfig(const wxString& strLocal, const wxString& strGlobal); -#endif + static wxString GetLocalFileName(const wxString& szFile, int style = 0) + { + return GetLocalFile(szFile, style).GetFullPath(); + } - // New constructor: one size fits all. Specify wxCONFIG_USE_LOCAL_FILE - // or wxCONFIG_USE_GLOBAL_FILE to say which files should be used. - wxFileConfig(const wxString& appName, const wxString& vendorName = "", - const wxString& localFilename = "", const wxString& globalFilename = "", - long style = wxCONFIG_USE_LOCAL_FILE); + // ctor & dtor + // New constructor: one size fits all. Specify wxCONFIG_USE_LOCAL_FILE or + // wxCONFIG_USE_GLOBAL_FILE to say which files should be used. + wxFileConfig(const wxString& appName = wxEmptyString, + const wxString& vendorName = wxEmptyString, + const wxString& localFilename = wxEmptyString, + const wxString& globalFilename = wxEmptyString, + long style = wxCONFIG_USE_LOCAL_FILE | wxCONFIG_USE_GLOBAL_FILE, + const wxMBConv& conv = wxConvAuto()); + +#if wxUSE_STREAMS + // ctor that takes an input stream. + wxFileConfig(wxInputStream &inStream, const wxMBConv& conv = wxConvAuto()); +#endif // wxUSE_STREAMS // dtor will save unsaved data virtual ~wxFileConfig(); + // under Unix, set the umask to be used for the file creation, do nothing + // under other systems +#ifdef __UNIX__ + void SetUmask(int mode) { m_umask = mode; } +#else // !__UNIX__ + void SetUmask(int WXUNUSED(mode)) { } +#endif // __UNIX__/!__UNIX__ + // implement inherited pure virtual functions virtual void SetPath(const wxString& strPath); - virtual const wxString& GetPath() const { return m_strPath; } + virtual const wxString& GetPath() const; virtual bool GetFirstGroup(wxString& str, long& lIndex) const; virtual bool GetNextGroup (wxString& str, long& lIndex) const; virtual bool GetFirstEntry(wxString& str, long& lIndex) const; virtual bool GetNextEntry (wxString& str, long& lIndex) const; - virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const; - virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const; + virtual size_t GetNumberOfEntries(bool bRecursive = false) const; + virtual size_t GetNumberOfGroups(bool bRecursive = false) const; virtual bool HasGroup(const wxString& strName) const; virtual bool HasEntry(const wxString& strName) const; - virtual bool Read(const wxString& key, wxString *pStr) const; - virtual bool Read(const wxString& key, wxString *pStr, const wxString& defValue) const; - virtual bool Read(const wxString& key, long *pl) const; - - // The following are necessary to satisfy the compiler - wxString Read(const wxString& key, const wxString& defVal) const - { return wxConfigBase::Read(key, defVal); } - bool Read(const wxString& key, long *pl, long defVal) const - { return wxConfigBase::Read(key, pl, defVal); } - long Read(const wxString& key, long defVal) const - { return wxConfigBase::Read(key, defVal); } - bool Read(const wxString& key, int *pi, int defVal) const - { return wxConfigBase::Read(key, pi, defVal); } - bool Read(const wxString& key, int *pi) const - { return wxConfigBase::Read(key, pi); } - bool Read(const wxString& key, double* val) const - { return wxConfigBase::Read(key, val); } - bool Read(const wxString& key, double* val, double defVal) const - { return wxConfigBase::Read(key, val, defVal); } - - virtual bool Write(const wxString& key, const wxString& szValue); - virtual bool Write(const wxString& key, long lValue); - - virtual bool Flush(bool bCurrentOnly = FALSE); - - virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso); - virtual bool DeleteGroup(const wxString& szKey); - virtual bool DeleteAll(); - -public: - // fwd decl - class ConfigGroup; - class ConfigEntry; - - // we store all lines of the local config file as a linked list in memory - class LineList - { - public: - void SetNext(LineList *pNext) { m_pNext = pNext; } - void SetPrev(LineList *pPrev) { m_pPrev = pPrev; } - - // ctor - LineList(const wxString& str, LineList *pNext = (LineList *) NULL) : m_strLine(str) - { SetNext(pNext); SetPrev((LineList *) NULL); } + virtual bool Flush(bool bCurrentOnly = false); - // - LineList *Next() const { return m_pNext; } - LineList *Prev() const { return m_pPrev; } + virtual bool RenameEntry(const wxString& oldName, const wxString& newName); + virtual bool RenameGroup(const wxString& oldName, const wxString& newName); - // - void SetText(const wxString& str) { m_strLine = str; } - const wxString& Text() const { return m_strLine; } + virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = true); + virtual bool DeleteGroup(const wxString& szKey); + virtual bool DeleteAll(); - private: - wxString m_strLine; // line contents - LineList *m_pNext, // next node - *m_pPrev; // previous one - }; + // additional, wxFileConfig-specific, functionality +#if wxUSE_STREAMS + // save the entire config file text to the given stream, note that the text + // won't be saved again in dtor when Flush() is called if you use this method + // as it won't be "changed" any more + virtual bool Save(wxOutputStream& os, const wxMBConv& conv = wxConvAuto()); +#endif // wxUSE_STREAMS +public: // functions to work with this list - LineList *LineListAppend(const wxString& str); - LineList *LineListInsert(const wxString& str, - LineList *pLine); // NULL => Prepend() - void LineListRemove(LineList *pLine); + wxFileConfigLineList *LineListAppend(const wxString& str); + wxFileConfigLineList *LineListInsert(const wxString& str, + wxFileConfigLineList *pLine); // NULL => Prepend() + void LineListRemove(wxFileConfigLineList *pLine); bool LineListIsEmpty(); +protected: + virtual bool DoReadString(const wxString& key, wxString *pStr) const; + virtual bool DoReadLong(const wxString& key, long *pl) const; +#if wxUSE_BASE64 + virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const; +#endif // wxUSE_BASE64 + + virtual bool DoWriteString(const wxString& key, const wxString& szValue); + virtual bool DoWriteLong(const wxString& key, long lValue); +#if wxUSE_BASE64 + virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf); +#endif // wxUSE_BASE64 + private: - // GetXXXFileame helpers: return ('/' terminated) directory names + // GetXXXFileName helpers: return ('/' terminated) directory names static wxString GetGlobalDir(); - static wxString GetLocalDir(); + static wxString GetLocalDir(int style = 0); // common part of all ctors (assumes that m_str{Local|Global}File are already // initialized @@ -230,125 +217,47 @@ private: void CleanUp(); // parse the whole file - void Parse(wxTextFile& file, bool bLocal); + void Parse(const wxTextBuffer& buffer, bool bLocal); // the same as SetPath("/") void SetRootPath(); + // real SetPath() implementation, returns true if path could be set or false + // if path doesn't exist and createMissingComponents == false + bool DoSetPath(const wxString& strPath, bool createMissingComponents); + + // set/test the dirty flag + void SetDirty() { m_isDirty = true; } + void ResetDirty() { m_isDirty = false; } + bool IsDirty() const { return m_isDirty; } + + // member variables // ---------------- - LineList *m_linesHead, // head of the linked list - *m_linesTail; // tail + wxFileConfigLineList *m_linesHead, // head of the linked list + *m_linesTail; // tail - wxString m_strLocalFile, // local file name passed to ctor - m_strGlobalFile; // global - wxString m_strPath; // current path (not '/' terminated) + wxFileName m_fnLocalFile, // local file name passed to ctor + m_fnGlobalFile; // global + wxString m_strPath; // current path (not '/' terminated) - ConfigGroup *m_pRootGroup, // the top (unnamed) group - *m_pCurrentGroup; // the current group + wxFileConfigGroup *m_pRootGroup, // the top (unnamed) group + *m_pCurrentGroup; // the current group -//protected: --- if wxFileConfig::ConfigEntry is not public, functions in -// ConfigGroup such as Find/AddEntry can't return "ConfigEntry *" -public: - WX_DEFINE_SORTED_ARRAY(ConfigEntry *, ArrayEntries); - WX_DEFINE_SORTED_ARRAY(ConfigGroup *, ArrayGroups); + wxMBConv *m_conv; - class ConfigEntry - { - private: - ConfigGroup *m_pParent; // group that contains us - wxString m_strName, // entry name - m_strValue; // value - bool m_bDirty, // changed since last read? - m_bImmutable; // can be overriden locally? - int m_nLine; // used if m_pLine == NULL only - LineList *m_pLine; // pointer to our line in the linked list - // or NULL if it was found in global file - - public: - ConfigEntry(ConfigGroup *pParent, const wxString& strName, int nLine); - - // simple accessors - const wxString& Name() const { return m_strName; } - const wxString& Value() const { return m_strValue; } - ConfigGroup *Group() const { return m_pParent; } - bool IsDirty() const { return m_bDirty; } - bool IsImmutable() const { return m_bImmutable; } - bool IsLocal() const { return m_pLine != 0; } - int Line() const { return m_nLine; } - LineList *GetLine() const { return m_pLine; } - - // modify entry attributes - void SetValue(const wxString& strValue, bool bUser = TRUE); - void SetDirty(); - void SetLine(LineList *pLine); - }; - - class ConfigGroup - { - private: - wxFileConfig *m_pConfig; // config object we belong to - ConfigGroup *m_pParent; // parent group (NULL for root group) - ArrayEntries m_aEntries; // entries in this group - ArrayGroups m_aSubgroups; // subgroups - wxString m_strName; // group's name - bool m_bDirty; // if FALSE => all subgroups are not dirty - LineList *m_pLine; // pointer to our line in the linked list - ConfigEntry *m_pLastEntry; // last entry/subgroup of this group in the - ConfigGroup *m_pLastGroup; // local file (we insert new ones after it) - - // DeleteSubgroupByName helper - bool DeleteSubgroup(ConfigGroup *pGroup); - - public: - // ctor - ConfigGroup(ConfigGroup *pParent, const wxString& strName, wxFileConfig *); - - // dtor deletes all entries and subgroups also - ~ConfigGroup(); - - // simple accessors - const wxString& Name() const { return m_strName; } - ConfigGroup *Parent() const { return m_pParent; } - wxFileConfig *Config() const { return m_pConfig; } - bool IsDirty() const { return m_bDirty; } - - const ArrayEntries& Entries() const { return m_aEntries; } - const ArrayGroups& Groups() const { return m_aSubgroups; } - bool IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); } - - // find entry/subgroup (NULL if not found) - ConfigGroup *FindSubgroup(const char *szName) const; - ConfigEntry *FindEntry (const char *szName) const; - - // delete entry/subgroup, return FALSE if doesn't exist - bool DeleteSubgroupByName(const char *szName); - bool DeleteEntry(const char *szName); - - // create new entry/subgroup returning pointer to newly created element - ConfigGroup *AddSubgroup(const wxString& strName); - ConfigEntry *AddEntry (const wxString& strName, int nLine = NOT_FOUND); - - // will also recursively set parent's dirty flag - void SetDirty(); - void SetLine(LineList *pLine); - - // - wxString GetFullName() const; - - // get the last line belonging to an entry/subgroup of this group - LineList *GetGroupLine(); // line which contains [group] - LineList *GetLastEntryLine(); // after which our subgroups start - LineList *GetLastGroupLine(); // after which the next group starts - - // called by entries/subgroups when they're created/deleted - void SetLastEntry(ConfigEntry *pEntry) { m_pLastEntry = pEntry; } - void SetLastGroup(ConfigGroup *pGroup) { m_pLastGroup = pGroup; } - }; +#ifdef __UNIX__ + int m_umask; // the umask to use for file creation +#endif // __UNIX__ + + bool m_isDirty; // if true, we have unsaved changes + + wxDECLARE_NO_COPY_CLASS(wxFileConfig); + DECLARE_ABSTRACT_CLASS(wxFileConfig) }; #endif - // wxUSE_CONFIG + // wxUSE_CONFIG #endif //_FILECONF_H