X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a3a584a7a6ade199990dd4463488e4bbf3545349..87f0b1323b7ac77f02133b836c8dfee63b0fd387:/src/common/fileconf.cpp diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp index 9b3412c6d9..4b63270320 100644 --- a/src/common/fileconf.cpp +++ b/src/common/fileconf.cpp @@ -1,83 +1,72 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: fileconf.cpp +// Name: src/common/fileconf.cpp // Purpose: implementation of wxFileConfig derivation of wxConfig // 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 /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "fileconf.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- +// For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ - #pragma hdrstop + #pragma hdrstop #endif //__BORLANDC__ -#if wxUSE_CONFIG +#if wxUSE_CONFIG && wxUSE_FILECONFIG #ifndef WX_PRECOMP - #include "wx/string.h" - #include "wx/intl.h" + #include "wx/dynarray.h" + #include "wx/string.h" + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/utils.h" // for wxGetHomeDir + #if wxUSE_STREAMS + #include "wx/stream.h" + #endif // wxUSE_STREAMS #endif //WX_PRECOMP -#include "wx/app.h" -#include "wx/dynarray.h" #include "wx/file.h" -#include "wx/log.h" #include "wx/textfile.h" #include "wx/memtext.h" #include "wx/config.h" #include "wx/fileconf.h" +#include "wx/filefn.h" -#if wxUSE_STREAMS - #include "wx/stream.h" -#endif // wxUSE_STREAMS +#include "wx/base64.h" -#include "wx/utils.h" // for wxGetHomeDir +#include "wx/stdpaths.h" -// _WINDOWS_ is defined when windows.h is included, -// __WXMSW__ is defined for MS Windows compilation -#if defined(__WXMSW__) && !defined(_WINDOWS_) - #include +#if defined(__WINDOWS__) + #include "wx/msw/private.h" #endif //windows.h #if defined(__WXPM__) - #define INCL_DOS - #include + #define INCL_DOS + #include #endif #include #include -// headers needed for umask() -#ifdef __UNIX__ - #include - #include -#endif // __UNIX__ - -// ---------------------------------------------------------------------------- -// macros -// ---------------------------------------------------------------------------- -#define CONST_CAST ((wxFileConfig *)this)-> - // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- #ifndef MAX_PATH - #define MAX_PATH 512 + #define MAX_PATH 512 #endif +#define FILECONF_TRACE_MASK wxT("fileconf") + // ---------------------------------------------------------------------------- // global functions declarations // ---------------------------------------------------------------------------- @@ -104,8 +93,15 @@ static wxString GetAppName(const wxString& appname); // "template" array types // ---------------------------------------------------------------------------- -WX_DEFINE_SORTED_EXPORTED_ARRAY(wxFileConfigEntry *, ArrayEntries); -WX_DEFINE_SORTED_EXPORTED_ARRAY(wxFileConfigGroup *, ArrayGroups); +#ifdef WXMAKINGDLL_BASE + WX_DEFINE_SORTED_USER_EXPORTED_ARRAY(wxFileConfigEntry *, ArrayEntries, + WXDLLIMPEXP_BASE); + WX_DEFINE_SORTED_USER_EXPORTED_ARRAY(wxFileConfigGroup *, ArrayGroups, + WXDLLIMPEXP_BASE); +#else + WX_DEFINE_SORTED_ARRAY(wxFileConfigEntry *, ArrayEntries); + WX_DEFINE_SORTED_ARRAY(wxFileConfigGroup *, ArrayGroups); +#endif // ---------------------------------------------------------------------------- // wxFileConfigLineList @@ -135,6 +131,8 @@ private: wxString m_strLine; // line contents wxFileConfigLineList *m_pNext, // next node *m_pPrev; // previous one + + wxDECLARE_NO_COPY_CLASS(wxFileConfigLineList); }; // ---------------------------------------------------------------------------- @@ -148,8 +146,7 @@ private: wxString m_strName, // entry name m_strValue; // value - bool m_bDirty:1, // changed since last read? - m_bImmutable:1, // can be overriden locally? + bool m_bImmutable:1, // can be overridden locally? m_bHasValue:1; // set after first call to SetValue() int m_nLine; // used if m_pLine == NULL only @@ -166,7 +163,6 @@ public: const wxString& Name() const { return m_strName; } const wxString& Value() const { return m_strValue; } wxFileConfigGroup *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; } @@ -174,9 +170,10 @@ public: GetLine() const { return m_pLine; } // modify entry attributes - void SetValue(const wxString& strValue, bool bUser = TRUE); - void SetDirty(); + void SetValue(const wxString& strValue, bool bUser = true); void SetLine(wxFileConfigLineList *pLine); + + wxDECLARE_NO_COPY_CLASS(wxFileConfigEntry); }; // ---------------------------------------------------------------------------- @@ -191,7 +188,6 @@ private: 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 wxFileConfigLineList *m_pLine; // pointer to our line in the linked list wxFileConfigEntry *m_pLastEntry; // last entry/subgroup of this group in the wxFileConfigGroup *m_pLastGroup; // local file (we insert new ones after it) @@ -199,6 +195,9 @@ private: // DeleteSubgroupByName helper bool DeleteSubgroup(wxFileConfigGroup *pGroup); + // used by Rename() + void UpdateGroupAndSubgroupsLines(); + public: // ctor wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *); @@ -210,26 +209,23 @@ public: const wxString& Name() const { return m_strName; } wxFileConfigGroup *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) - wxFileConfigGroup *FindSubgroup(const wxChar *szName) const; - wxFileConfigEntry *FindEntry (const wxChar *szName) const; + wxFileConfigGroup *FindSubgroup(const wxString& name) const; + wxFileConfigEntry *FindEntry (const wxString& name) const; - // delete entry/subgroup, return FALSE if doesn't exist - bool DeleteSubgroupByName(const wxChar *szName); - bool DeleteEntry(const wxChar *szName); + // delete entry/subgroup, return false if doesn't exist + bool DeleteSubgroupByName(const wxString& name); + bool DeleteEntry(const wxString& name); // create new entry/subgroup returning pointer to newly created element wxFileConfigGroup *AddSubgroup(const wxString& strName); wxFileConfigEntry *AddEntry (const wxString& strName, int nLine = wxNOT_FOUND); - // will also recursively set parent's dirty flag - void SetDirty(); void SetLine(wxFileConfigLineList *pLine); // rename: no checks are done to ensure that the name is unique! @@ -240,12 +236,16 @@ public: // get the last line belonging to an entry/subgroup of this group wxFileConfigLineList *GetGroupLine(); // line which contains [group] + // may be NULL for "/" only wxFileConfigLineList *GetLastEntryLine(); // after which our subgroups start wxFileConfigLineList *GetLastGroupLine(); // after which the next group starts // called by entries/subgroups when they're created/deleted - void SetLastEntry(wxFileConfigEntry *pEntry) { m_pLastEntry = pEntry; } - void SetLastGroup(wxFileConfigGroup *pGroup) { m_pLastGroup = pGroup; } + void SetLastEntry(wxFileConfigEntry *pEntry); + void SetLastGroup(wxFileConfigGroup *pGroup) + { m_pLastGroup = pGroup; } + + wxDECLARE_NO_COPY_CLASS(wxFileConfigGroup); }; // ============================================================================ @@ -255,380 +255,301 @@ public: // ---------------------------------------------------------------------------- // static functions // ---------------------------------------------------------------------------- -wxString wxFileConfig::GetGlobalDir() + +// this function modifies in place the given wxFileName object if it doesn't +// already have an extension +// +// note that it's slightly misnamed under Mac as there it doesn't add an +// extension but modifies the file name instead, so you shouldn't suppose that +// fn.HasExt() is true after it returns +static void AddConfFileExtIfNeeded(wxFileName& fn) { - wxString strDir; - - #ifdef __VMS__ // Note if __VMS is defined __UNIX is also defined - strDir = wxT("sys$manager:"); - #elif defined(__WXMAC__) - strDir = wxMacFindFolder( (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ; - #elif defined( __UNIX__ ) - strDir = wxT("/etc/"); - #elif defined(__WXPM__) - ULONG aulSysInfo[QSV_MAX] = {0}; - UINT drive; - APIRET rc; - - rc = DosQuerySysInfo( 1L, QSV_MAX, (PVOID)aulSysInfo, sizeof(ULONG)*QSV_MAX); - if (rc == 0) + if ( !fn.HasExt() ) { - drive = aulSysInfo[QSV_BOOT_DRIVE - 1]; - switch(drive) - { - case 1: - strDir = "A:\\OS2\\"; - break; - case 2: - strDir = "B:\\OS2\\"; - break; - case 3: - strDir = "C:\\OS2\\"; - break; - case 4: - strDir = "D:\\OS2\\"; - break; - case 5: - strDir = "E:\\OS2\\"; - break; - case 6: - strDir = "F:\\OS2\\"; - break; - case 7: - strDir = "G:\\OS2\\"; - break; - case 8: - strDir = "H:\\OS2\\"; - break; - case 9: - strDir = "I:\\OS2\\"; - break; - case 10: - strDir = "J:\\OS2\\"; - break; - case 11: - strDir = "K:\\OS2\\"; - break; - case 12: - strDir = "L:\\OS2\\"; - break; - case 13: - strDir = "M:\\OS2\\"; - break; - case 14: - strDir = "N:\\OS2\\"; - break; - case 15: - strDir = "O:\\OS2\\"; - break; - case 16: - strDir = "P:\\OS2\\"; - break; - case 17: - strDir = "Q:\\OS2\\"; - break; - case 18: - strDir = "R:\\OS2\\"; - break; - case 19: - strDir = "S:\\OS2\\"; - break; - case 20: - strDir = "T:\\OS2\\"; - break; - case 21: - strDir = "U:\\OS2\\"; - break; - case 22: - strDir = "V:\\OS2\\"; - break; - case 23: - strDir = "W:\\OS2\\"; - break; - case 24: - strDir = "X:\\OS2\\"; - break; - case 25: - strDir = "Y:\\OS2\\"; - break; - case 26: - strDir = "Z:\\OS2\\"; - break; - } +#if defined( __WXMAC__ ) + fn.SetName(fn.GetName() + wxT(" Preferences")); +#elif defined( __UNIX__ ) + fn.SetExt(wxT("conf")); +#else // Windows + fn.SetExt(wxT("ini")); +#endif // UNIX/Win } - #elif defined(__WXSTUBS__) - wxASSERT_MSG( FALSE, wxT("TODO") ) ; - #else // Windows - wxChar szWinDir[MAX_PATH]; - ::GetWindowsDirectory(szWinDir, MAX_PATH); - - strDir = szWinDir; - strDir << wxT('\\'); - #endif // Unix/Windows +} - return strDir; +wxString wxFileConfig::GetGlobalDir() +{ + return wxStandardPaths::Get().GetConfigDir(); } -wxString wxFileConfig::GetLocalDir() +wxString wxFileConfig::GetLocalDir(int style) { - wxString strDir; + wxUnusedVar(style); -#if defined(__WXMAC__) - // no local dir concept on Mac OS 9 - return GetGlobalDir() ; -#else - wxGetHomeDir(&strDir); - -# ifdef __UNIX__ -# ifdef __VMS - if (strDir.Last() != wxT(']')) -# endif - if (strDir.Last() != wxT('/')) strDir << wxT('/'); -# else - if (strDir.Last() != wxT('\\')) strDir << wxT('\\'); -# endif -#endif + wxStandardPathsBase& stdp = wxStandardPaths::Get(); - return strDir; + // it so happens that user data directory is a subdirectory of user config + // directory on all supported platforms, which explains why we use it here + return style & wxCONFIG_USE_SUBDIR ? stdp.GetUserDataDir() + : stdp.GetUserConfigDir(); } -wxString wxFileConfig::GetGlobalFileName(const wxChar *szFile) +wxFileName wxFileConfig::GetGlobalFile(const wxString& szFile) { - wxString str = GetGlobalDir(); - str << szFile; + wxFileName fn(GetGlobalDir(), szFile); - if ( wxStrchr(szFile, wxT('.')) == NULL ) - #if defined( __WXMAC__ ) - str << " Preferences"; - #elif defined( __UNIX__ ) - str << wxT(".conf"); - #else // Windows - str << wxT(".ini"); - #endif // UNIX/Win + AddConfFileExtIfNeeded(fn); - return str; + return fn; } -wxString wxFileConfig::GetLocalFileName(const wxChar *szFile) +wxFileName wxFileConfig::GetLocalFile(const wxString& szFile, int style) { -#ifdef __VMS__ // On VMS I saw the problem that the home directory was appended - // twice for the configuration file. Does that also happen for other - // platforms? - wxString str = wxT( '.' ); -#else - wxString str = GetLocalDir(); -#endif - - #if defined( __UNIX__ ) && !defined( __VMS ) && !defined( __WXMAC__ ) - str << wxT('.'); - #endif - - str << szFile; + wxFileName fn(GetLocalDir(style), szFile); - #ifdef __WXMSW__ - if ( wxStrchr(szFile, wxT('.')) == NULL ) - str << wxT(".ini"); - #endif +#if defined( __UNIX__ ) && !defined( __WXMAC__ ) + if ( !(style & wxCONFIG_USE_SUBDIR) ) + { + // dot-files under Unix start with, well, a dot (but OTOH they usually + // don't have any specific extension) + fn.SetName(wxT('.') + fn.GetName()); + } + else // we do append ".conf" extension to config files in subdirectories +#endif // defined( __UNIX__ ) && !defined( __WXMAC__ ) + { + AddConfFileExtIfNeeded(fn); + } - #ifdef __WXMAC__ - str << " Preferences"; - #endif - return str; + return fn; } // ---------------------------------------------------------------------------- // ctor // ---------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxFileConfig, wxConfigBase) void wxFileConfig::Init() { - m_pCurrentGroup = - m_pRootGroup = new wxFileConfigGroup(NULL, "", this); + m_pCurrentGroup = + m_pRootGroup = new wxFileConfigGroup(NULL, wxEmptyString, this); - m_linesHead = - m_linesTail = NULL; + m_linesHead = + m_linesTail = NULL; - // it's not an error if (one of the) file(s) doesn't exist + // It's not an error if (one of the) file(s) doesn't exist. - // parse the global file - if ( !m_strGlobalFile.IsEmpty() && wxFile::Exists(m_strGlobalFile) ) { - wxTextFile fileGlobal(m_strGlobalFile); + // parse the global file + if ( m_fnGlobalFile.IsOk() && m_fnGlobalFile.FileExists() ) + { + wxTextFile fileGlobal(m_fnGlobalFile.GetFullPath()); - if ( fileGlobal.Open() ) { - Parse(fileGlobal, FALSE /* global */); - SetRootPath(); + if ( fileGlobal.Open(*m_conv/*ignored in ANSI build*/) ) + { + Parse(fileGlobal, false /* global */); + SetRootPath(); + } + else + { + wxLogWarning(_("can't open global configuration file '%s'."), m_fnGlobalFile.GetFullPath().c_str()); + } } - else - wxLogWarning(_("can't open global configuration file '%s'."), - m_strGlobalFile.c_str()); - } - // parse the local file - if ( !m_strLocalFile.IsEmpty() && wxFile::Exists(m_strLocalFile) ) { - wxTextFile fileLocal(m_strLocalFile); - if ( fileLocal.Open() ) { - Parse(fileLocal, TRUE /* local */); - SetRootPath(); + // parse the local file + if ( m_fnLocalFile.IsOk() && m_fnLocalFile.FileExists() ) + { + wxTextFile fileLocal(m_fnLocalFile.GetFullPath()); + if ( fileLocal.Open(*m_conv/*ignored in ANSI build*/) ) + { + Parse(fileLocal, true /* local */); + SetRootPath(); + } + else + { + const wxString path = m_fnLocalFile.GetFullPath(); + wxLogWarning(_("can't open user configuration file '%s'."), + path.c_str()); + + if ( m_fnLocalFile.FileExists() ) + { + wxLogWarning(_("Changes won't be saved to avoid overwriting the existing file \"%s\""), + path.c_str()); + m_fnLocalFile.Clear(); + } + } } - else - wxLogWarning(_("can't open user configuration file '%s'."), - m_strLocalFile.c_str()); - } + + m_isDirty = false; } // constructor supports creation of wxFileConfig objects of any type wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName, const wxString& strLocal, const wxString& strGlobal, - long style) + long style, + const wxMBConv& conv) : wxConfigBase(::GetAppName(appName), vendorName, strLocal, strGlobal, style), - m_strLocalFile(strLocal), m_strGlobalFile(strGlobal) + m_fnLocalFile(strLocal), + m_fnGlobalFile(strGlobal), + m_conv(conv.Clone()) { - // Make up names for files if empty - if ( m_strLocalFile.IsEmpty() && (style & wxCONFIG_USE_LOCAL_FILE) ) - { - m_strLocalFile = GetLocalFileName(GetAppName()); - } + // Make up names for files if empty + if ( !m_fnLocalFile.IsOk() && (style & wxCONFIG_USE_LOCAL_FILE) ) + m_fnLocalFile = GetLocalFile(GetAppName(), style); - if ( m_strGlobalFile.IsEmpty() && (style & wxCONFIG_USE_GLOBAL_FILE) ) - { - m_strGlobalFile = GetGlobalFileName(GetAppName()); - } + if ( !m_fnGlobalFile.IsOk() && (style & wxCONFIG_USE_GLOBAL_FILE) ) + m_fnGlobalFile = GetGlobalFile(GetAppName()); - // Check if styles are not supplied, but filenames are, in which case - // add the correct styles. - if ( !m_strLocalFile.IsEmpty() ) - SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); + // Check if styles are not supplied, but filenames are, in which case + // add the correct styles. + if ( m_fnLocalFile.IsOk() ) + SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); - if ( !m_strGlobalFile.IsEmpty() ) - SetStyle(GetStyle() | wxCONFIG_USE_GLOBAL_FILE); + if ( m_fnGlobalFile.IsOk() ) + SetStyle(GetStyle() | wxCONFIG_USE_GLOBAL_FILE); - // if the path is not absolute, prepend the standard directory to it - // UNLESS wxCONFIG_USE_RELATIVE_PATH style is set - if ( !(style & wxCONFIG_USE_RELATIVE_PATH) ) - { - if ( !m_strLocalFile.IsEmpty() && !wxIsAbsolutePath(m_strLocalFile) ) - { - wxString strLocal = m_strLocalFile; - m_strLocalFile = GetLocalDir(); - m_strLocalFile << strLocal; - } + // if the path is not absolute, prepend the standard directory to it + // unless explicitly asked not to + if ( !(style & wxCONFIG_USE_RELATIVE_PATH) ) + { + if ( m_fnLocalFile.IsOk() ) + m_fnLocalFile.MakeAbsolute(GetLocalDir(style)); - if ( !m_strGlobalFile.IsEmpty() && !wxIsAbsolutePath(m_strGlobalFile) ) - { - wxString strGlobal = m_strGlobalFile; - m_strGlobalFile = GetGlobalDir(); - m_strGlobalFile << strGlobal; - } - } + if ( m_fnGlobalFile.IsOk() ) + m_fnGlobalFile.MakeAbsolute(GetGlobalDir()); + } - SetUmask(-1); + SetUmask(-1); - Init(); + Init(); } #if wxUSE_STREAMS -wxFileConfig::wxFileConfig(wxInputStream &inStream) +wxFileConfig::wxFileConfig(wxInputStream &inStream, const wxMBConv& conv) + : m_conv(conv.Clone()) { // always local_file when this constructor is called (?) SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); m_pCurrentGroup = - m_pRootGroup = new wxFileConfigGroup(NULL, "", this); + m_pRootGroup = new wxFileConfigGroup(NULL, wxEmptyString, this); m_linesHead = m_linesTail = NULL; - // translate everything to the current (platform-dependent) line - // termination character - wxString strTrans; - { - wxString strTmp; + // read the entire stream contents in memory + wxWxCharBuffer cbuf; + static const size_t chunkLen = 1024; - char buf[1024]; - while ( !inStream.Read(buf, WXSIZEOF(buf)).Eof() ) - strTmp += wxString(buf, inStream.LastRead()); + wxMemoryBuffer buf(chunkLen); + do + { + inStream.Read(buf.GetAppendBuf(chunkLen), chunkLen); + buf.UngetAppendBuf(inStream.LastRead()); - strTmp += wxString(buf, inStream.LastRead()); + const wxStreamError err = inStream.GetLastError(); - strTrans = wxTextBuffer::Translate(strTmp); + if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF ) + { + wxLogError(_("Error reading config options.")); + break; + } } + while ( !inStream.Eof() ); - wxMemoryText memText; - - // Now we can add the text to the memory text. To do this we extract line - // by line from the translated string, until we've reached the end. - // - // VZ: all this is horribly inefficient, we should do the translation on - // the fly in one pass saving both memory and time (TODO) - - const wxChar *pEOL = wxTextBuffer::GetEOL(wxTextBuffer::typeDefault); - const size_t EOLLen = wxStrlen(pEOL); +#if wxUSE_UNICODE + size_t len; + cbuf = conv.cMB2WC((char *)buf.GetData(), buf.GetDataLen() + 1, &len); + if ( !len && buf.GetDataLen() ) + { + wxLogError(_("Failed to read config options.")); + } +#else // !wxUSE_UNICODE + // no need for conversion + cbuf = wxCharBuffer::CreateNonOwned((char *)buf.GetData(), buf.GetDataLen()); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE - int posLineStart = strTrans.Find(pEOL); - while ( posLineStart != -1 ) + // parse the input contents if there is anything to parse + if ( cbuf ) { - wxString line(strTrans.Left(posLineStart)); + // now break it into lines + wxMemoryText memText; + for ( const wxChar *s = cbuf; ; ++s ) + { + const wxChar *e = s; + while ( *e != '\0' && *e != '\n' && *e != '\r' ) + ++e; - memText.AddLine(line); + // notice that we throw away the original EOL kind here, maybe we + // should preserve it? + if ( e != s ) + memText.AddLine(wxString(s, e)); - strTrans = strTrans.Mid(posLineStart + EOLLen); + if ( *e == '\0' ) + break; - posLineStart = strTrans.Find(pEOL); - } + // skip the second EOL byte if it's a DOS one + if ( *e == '\r' && e[1] == '\n' ) + ++e; - // also add whatever we have left in the translated string. - memText.AddLine(strTrans); + s = e; + } - // Finally we can parse it all. - Parse(memText, TRUE /* local */); + // Finally we can parse it all. + Parse(memText, true /* local */); + } SetRootPath(); + ResetDirty(); } #endif // wxUSE_STREAMS void wxFileConfig::CleanUp() { - delete m_pRootGroup; + delete m_pRootGroup; - wxFileConfigLineList *pCur = m_linesHead; - while ( pCur != NULL ) { - wxFileConfigLineList *pNext = pCur->Next(); - delete pCur; - pCur = pNext; - } + wxFileConfigLineList *pCur = m_linesHead; + while ( pCur != NULL ) { + wxFileConfigLineList *pNext = pCur->Next(); + delete pCur; + pCur = pNext; + } } wxFileConfig::~wxFileConfig() { - Flush(); + Flush(); - CleanUp(); + CleanUp(); + + delete m_conv; } // ---------------------------------------------------------------------------- // parse a config file // ---------------------------------------------------------------------------- -void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) +void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal) { - const wxChar *pStart; - const wxChar *pEnd; - wxString strLine; size_t nLineCount = buffer.GetLineCount(); - for ( size_t n = 0; n < nLineCount; n++ ) { - strLine = buffer[n]; + + for ( size_t n = 0; n < nLineCount; n++ ) + { + wxString strLine = buffer[n]; + // FIXME-UTF8: rewrite using iterators, without this buffer + wxWxCharBuffer buf(strLine.c_str()); + const wxChar *pStart; + const wxChar *pEnd; // add the line to linked list if ( bLocal ) LineListAppend(strLine); + // skip leading spaces - for ( pStart = strLine; wxIsspace(*pStart); pStart++ ) + for ( pStart = buf; wxIsspace(*pStart); pStart++ ) ; // skip blank/comment lines @@ -666,15 +587,19 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) SetPath(strGroup); if ( bLocal ) + { + if ( m_pCurrentGroup->Parent() ) + m_pCurrentGroup->Parent()->SetLastGroup(m_pCurrentGroup); m_pCurrentGroup->SetLine(m_linesTail); + } // check that there is nothing except comments left on this line - bool bCont = TRUE; + bool bCont = true; while ( *++pEnd != wxT('\0') && bCont ) { switch ( *pEnd ) { case wxT('#'): case wxT(';'): - bCont = FALSE; + bCont = false; break; case wxT(' '): @@ -685,13 +610,13 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) default: wxLogWarning(_("file '%s', line %d: '%s' ignored after group header."), buffer.GetName(), n + 1, pEnd); - bCont = FALSE; + bCont = false; } } } else { // a key - const wxChar *pEnd = pStart; - while ( *pEnd && *pEnd != wxT('=') && !wxIsspace(*pEnd) ) { + pEnd = pStart; + while ( *pEnd && *pEnd != wxT('=') /* && !wxIsspace(*pEnd)*/ ) { if ( *pEnd == wxT('\\') ) { // next character may be space or not - still take it because it's // quoted (unless there is nothing) @@ -705,7 +630,7 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) pEnd++; } - wxString strKey(FilterInEntryName(wxString(pStart, pEnd))); + wxString strKey(FilterInEntryName(wxString(pStart, pEnd).Trim())); // skip whitespace while ( wxIsspace(*pEnd) ) @@ -721,9 +646,6 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) if ( pEntry == NULL ) { // new entry pEntry = m_pCurrentGroup->AddEntry(strKey, n); - - if ( bLocal ) - pEntry->SetLine(m_linesTail); } else { if ( bLocal && pEntry->IsImmutable() ) { @@ -739,18 +661,23 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) // which is exactly what we want. else if ( !bLocal || pEntry->IsLocal() ) { wxLogWarning(_("file '%s', line %d: key '%s' was first found at line %d."), - buffer.GetName(), n + 1, strKey.c_str(), pEntry->Line()); + buffer.GetName(), (int)n + 1, strKey.c_str(), pEntry->Line()); - if ( bLocal ) - pEntry->SetLine(m_linesTail); } } + if ( bLocal ) + pEntry->SetLine(m_linesTail); + // skip whitespace while ( wxIsspace(*pEnd) ) pEnd++; - pEntry->SetValue(FilterInValue(pEnd), FALSE /* read from file */); + wxString value = pEnd; + if ( !(GetStyle() & wxCONFIG_USE_NO_ESCAPE_CHARACTERS) ) + value = FilterInValue(value); + + pEntry->SetValue(value, false); } } } @@ -762,45 +689,64 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) void wxFileConfig::SetRootPath() { - m_strPath.Empty(); - m_pCurrentGroup = m_pRootGroup; + m_strPath.Empty(); + m_pCurrentGroup = m_pRootGroup; } -void wxFileConfig::SetPath(const wxString& strPath) +bool +wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents) { - wxArrayString aParts; + wxArrayString aParts; - if ( strPath.IsEmpty() ) { - SetRootPath(); - return; - } + if ( strPath.empty() ) { + SetRootPath(); + return true; + } - if ( strPath[0] == wxCONFIG_PATH_SEPARATOR ) { - // absolute path - wxSplitPath(aParts, strPath); - } - else { - // relative path, combine with current one - wxString strFullPath = m_strPath; - strFullPath << wxCONFIG_PATH_SEPARATOR << strPath; - wxSplitPath(aParts, strFullPath); - } + if ( strPath[0] == wxCONFIG_PATH_SEPARATOR ) { + // absolute path + wxSplitPath(aParts, strPath); + } + else { + // relative path, combine with current one + wxString strFullPath = m_strPath; + strFullPath << wxCONFIG_PATH_SEPARATOR << strPath; + wxSplitPath(aParts, strFullPath); + } - // change current group - size_t n; - m_pCurrentGroup = m_pRootGroup; - for ( n = 0; n < aParts.Count(); n++ ) { - wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]); - if ( pNextGroup == NULL ) - pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]); - m_pCurrentGroup = pNextGroup; - } + // change current group + size_t n; + m_pCurrentGroup = m_pRootGroup; + for ( n = 0; n < aParts.GetCount(); n++ ) { + wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]); + if ( pNextGroup == NULL ) + { + if ( !createMissingComponents ) + return false; - // recombine path parts in one variable - m_strPath.Empty(); - for ( n = 0; n < aParts.Count(); n++ ) { - m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n]; - } + pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]); + } + + m_pCurrentGroup = pNextGroup; + } + + // recombine path parts in one variable + m_strPath.Empty(); + for ( n = 0; n < aParts.GetCount(); n++ ) { + m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n]; + } + + return true; +} + +void wxFileConfig::SetPath(const wxString& strPath) +{ + DoSetPath(strPath, true /* create missing path components */); +} + +const wxString& wxFileConfig::GetPath() const +{ + return m_strPath; } // ---------------------------------------------------------------------------- @@ -809,66 +755,70 @@ void wxFileConfig::SetPath(const wxString& strPath) bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) const { - lIndex = 0; - return GetNextGroup(str, lIndex); + lIndex = 0; + return GetNextGroup(str, lIndex); } bool wxFileConfig::GetNextGroup (wxString& str, long& lIndex) const { - if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) { - str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name(); - return TRUE; - } - else - return FALSE; + if ( size_t(lIndex) < m_pCurrentGroup->Groups().GetCount() ) { + str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name(); + return true; + } + else + return false; } bool wxFileConfig::GetFirstEntry(wxString& str, long& lIndex) const { - lIndex = 0; - return GetNextEntry(str, lIndex); + lIndex = 0; + return GetNextEntry(str, lIndex); } bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const { - if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) { - str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name(); - return TRUE; - } - else - return FALSE; + if ( size_t(lIndex) < m_pCurrentGroup->Entries().GetCount() ) { + str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name(); + return true; + } + else + return false; } size_t wxFileConfig::GetNumberOfEntries(bool bRecursive) const { - size_t n = m_pCurrentGroup->Entries().Count(); - if ( bRecursive ) { - wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup; - size_t nSubgroups = m_pCurrentGroup->Groups().Count(); - for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) { - CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup]; - n += GetNumberOfEntries(TRUE); - CONST_CAST m_pCurrentGroup = pOldCurrentGroup; + size_t n = m_pCurrentGroup->Entries().GetCount(); + if ( bRecursive ) { + wxFileConfig * const self = const_cast(this); + + wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup; + size_t nSubgroups = m_pCurrentGroup->Groups().GetCount(); + for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) { + self->m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup]; + n += GetNumberOfEntries(true); + self->m_pCurrentGroup = pOldCurrentGroup; + } } - } - return n; + return n; } size_t wxFileConfig::GetNumberOfGroups(bool bRecursive) const { - size_t n = m_pCurrentGroup->Groups().Count(); - if ( bRecursive ) { - wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup; - size_t nSubgroups = m_pCurrentGroup->Groups().Count(); - for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) { - CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup]; - n += GetNumberOfGroups(TRUE); - CONST_CAST m_pCurrentGroup = pOldCurrentGroup; + size_t n = m_pCurrentGroup->Groups().GetCount(); + if ( bRecursive ) { + wxFileConfig * const self = const_cast(this); + + wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup; + size_t nSubgroups = m_pCurrentGroup->Groups().GetCount(); + for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) { + self->m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup]; + n += GetNumberOfGroups(true); + self->m_pCurrentGroup = pOldCurrentGroup; + } } - } - return n; + return n; } // ---------------------------------------------------------------------------- @@ -877,172 +827,254 @@ size_t wxFileConfig::GetNumberOfGroups(bool bRecursive) const bool wxFileConfig::HasGroup(const wxString& strName) const { - wxConfigPathChanger path(this, strName); + // special case: DoSetPath("") does work as it's equivalent to DoSetPath("/") + // but there is no group with empty name so treat this separately + if ( strName.empty() ) + return false; + + const wxString pathOld = GetPath(); + + wxFileConfig *self = const_cast(this); + const bool + rc = self->DoSetPath(strName, false /* don't create missing components */); - wxFileConfigGroup *pGroup = m_pCurrentGroup->FindSubgroup(path.Name()); - return pGroup != NULL; + self->SetPath(pathOld); + + return rc; } -bool wxFileConfig::HasEntry(const wxString& strName) const +bool wxFileConfig::HasEntry(const wxString& entry) const { - wxConfigPathChanger path(this, strName); + // path is the part before the last "/" + wxString path = entry.BeforeLast(wxCONFIG_PATH_SEPARATOR); + + // except in the special case of "/keyname" when there is nothing before "/" + if ( path.empty() && *entry.c_str() == wxCONFIG_PATH_SEPARATOR ) + { + path = wxCONFIG_PATH_SEPARATOR; + } + + // change to the path of the entry if necessary and remember the old path + // to restore it later + wxString pathOld; + wxFileConfig * const self = const_cast(this); + if ( !path.empty() ) + { + pathOld = GetPath(); + if ( pathOld.empty() ) + pathOld = wxCONFIG_PATH_SEPARATOR; + + if ( !self->DoSetPath(path, false /* don't create if doesn't exist */) ) + { + return false; + } + } + + // check if the entry exists in this group + const bool exists = m_pCurrentGroup->FindEntry( + entry.AfterLast(wxCONFIG_PATH_SEPARATOR)) != NULL; - wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - return pEntry != NULL; + // restore the old path if we changed it above + if ( !pathOld.empty() ) + { + self->SetPath(pathOld); + } + + return exists; } // ---------------------------------------------------------------------------- // read/write values // ---------------------------------------------------------------------------- -bool wxFileConfig::Read(const wxString& key, - wxString* pStr) const +bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const { - wxConfigPathChanger path(this, key); + wxConfigPathChanger path(this, key); - wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - if (pEntry == NULL) { - return FALSE; - } + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); + if (pEntry == NULL) { + return false; + } - *pStr = ExpandEnvVars(pEntry->Value()); - return TRUE; + *pStr = pEntry->Value(); + + return true; } -bool wxFileConfig::Read(const wxString& key, - wxString* pStr, const wxString& defVal) const +bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const { - wxConfigPathChanger path(this, key); + wxString str; + if ( !Read(key, &str) ) + return false; - wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - bool ok; - if (pEntry == NULL) { - if( IsRecordingDefaults() ) - ((wxFileConfig *)this)->Write(key,defVal); - *pStr = ExpandEnvVars(defVal); - ok = FALSE; - } - else { - *pStr = ExpandEnvVars(pEntry->Value()); - ok = TRUE; - } + // extra spaces shouldn't prevent us from reading numeric values + str.Trim(); - return ok; + return str.ToLong(pl); } -bool wxFileConfig::Read(const wxString& key, long *pl) const +#if wxUSE_BASE64 + +bool wxFileConfig::DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const { - wxString str; - if ( !Read(key, & str) ) - { - return FALSE; - } + wxCHECK_MSG( buf, false, wxT("NULL buffer") ); + + wxString str; + if ( !Read(key, &str) ) + return false; - *pl = wxAtol(str); - return TRUE; + *buf = wxBase64Decode(str); + return true; } -bool wxFileConfig::Write(const wxString& key, const wxString& szValue) +#endif // wxUSE_BASE64 + +bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue) { - wxConfigPathChanger path(this, key); + wxConfigPathChanger path(this, key); + wxString strName = path.Name(); - wxString strName = path.Name(); - if ( strName.IsEmpty() ) { - // setting the value of a group is an error - wxASSERT_MSG( wxIsEmpty(szValue), wxT("can't set value of a group!") ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Writing String '%s' = '%s' to Group '%s'"), + strName.c_str(), + szValue.c_str(), + GetPath().c_str() ); - // ... except if it's empty in which case it's a way to force it's creation - m_pCurrentGroup->SetDirty(); + if ( strName.empty() ) + { + // setting the value of a group is an error - // this will add a line for this group if it didn't have it before - (void)m_pCurrentGroup->GetGroupLine(); - } - else { - // writing an entry - - // check that the name is reasonable - if ( strName[0u] == wxCONFIG_IMMUTABLE_PREFIX ) { - wxLogError(_("Config entry name cannot start with '%c'."), - wxCONFIG_IMMUTABLE_PREFIX); - return FALSE; + wxASSERT_MSG( szValue.empty(), wxT("can't set value of a group!") ); + + // ... except if it's empty in which case it's a way to force it's creation + + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Creating group %s"), + m_pCurrentGroup->Name().c_str() ); + + SetDirty(); + + // this will add a line for this group if it didn't have it before (or + // do nothing for the root but it's ok as it always exists anyhow) + (void)m_pCurrentGroup->GetGroupLine(); } + else + { + // writing an entry check that the name is reasonable + if ( strName[0u] == wxCONFIG_IMMUTABLE_PREFIX ) + { + wxLogError( _("Config entry name cannot start with '%c'."), + wxCONFIG_IMMUTABLE_PREFIX); + return false; + } - wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(strName); - if ( pEntry == NULL ) - pEntry = m_pCurrentGroup->AddEntry(strName); + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(strName); - pEntry->SetValue(szValue); - } + if ( pEntry == 0 ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Adding Entry %s"), + strName.c_str() ); + pEntry = m_pCurrentGroup->AddEntry(strName); + } + + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Setting value %s"), + szValue.c_str() ); + pEntry->SetValue(szValue); - return TRUE; + SetDirty(); + } + + return true; +} + +bool wxFileConfig::DoWriteLong(const wxString& key, long lValue) +{ + return Write(key, wxString::Format(wxT("%ld"), lValue)); } -bool wxFileConfig::Write(const wxString& key, long lValue) +#if wxUSE_BASE64 + +bool wxFileConfig::DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf) { - // ltoa() is not ANSI :-( - wxString buf; - buf.Printf(wxT("%ld"), lValue); - return Write(key, buf); + return Write(key, wxBase64Encode(buf)); } +#endif // wxUSE_BASE64 + bool wxFileConfig::Flush(bool /* bCurrentOnly */) { - if ( LineListIsEmpty() || !m_pRootGroup->IsDirty() || !m_strLocalFile ) - return TRUE; + if ( !IsDirty() || !m_fnLocalFile.GetFullPath() ) + return true; -#ifdef __UNIX__ // set the umask if needed - mode_t umaskOld = 0; - if ( m_umask != -1 ) - { - umaskOld = umask((mode_t)m_umask); - } -#endif // __UNIX__ + wxCHANGE_UMASK(m_umask); - wxTempFile file(m_strLocalFile); + wxTempFile file(m_fnLocalFile.GetFullPath()); - if ( !file.IsOpened() ) { + if ( !file.IsOpened() ) + { wxLogError(_("can't open user configuration file.")); - return FALSE; + return false; } // write all strings to file - for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() ) { - if ( !file.Write(p->Text() + wxTextFile::GetEOL()) ) { - wxLogError(_("can't write user configuration file.")); - return FALSE; - } + wxString filetext; + filetext.reserve(4096); + for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() ) + { + filetext << p->Text() << wxTextFile::GetEOL(); } - bool ret = file.Commit(); - -#if defined(__WXMAC__) - if ( ret ) + if ( !file.Write(filetext, *m_conv) ) { - FSSpec spec ; - - wxMacFilename2FSSpec( m_strLocalFile , &spec ) ; - FInfo finfo ; - if ( FSpGetFInfo( &spec , &finfo ) == noErr ) - { - finfo.fdType = 'TEXT' ; - finfo.fdCreator = 'ttxt' ; - FSpSetFInfo( &spec , &finfo ) ; - } + wxLogError(_("can't write user configuration file.")); + return false; } -#endif // __WXMAC__ -#ifdef __UNIX__ - // restore the old umask if we changed it - if ( m_umask != -1 ) + if ( !file.Commit() ) { - (void)umask(umaskOld); + wxLogError(_("Failed to update user configuration file.")); + + return false; } -#endif // __UNIX__ - return ret; + ResetDirty(); + +#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON + m_fnLocalFile.MacSetTypeAndCreator('TEXT', 'ttxt'); +#endif // __WXMAC__ + + return true; +} + +#if wxUSE_STREAMS + +bool wxFileConfig::Save(wxOutputStream& os, const wxMBConv& conv) +{ + // save unconditionally, even if not dirty + for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() ) + { + wxString line = p->Text(); + line += wxTextFile::GetEOL(); + + wxCharBuffer buf(line.mb_str(conv)); + if ( !os.Write(buf, strlen(buf)) ) + { + wxLogError(_("Error saving user configuration data.")); + + return false; + } + } + + ResetDirty(); + + return true; } +#endif // wxUSE_STREAMS + // ---------------------------------------------------------------------------- // renaming groups/entries // ---------------------------------------------------------------------------- @@ -1050,24 +1082,29 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */) bool wxFileConfig::RenameEntry(const wxString& oldName, const wxString& newName) { + wxASSERT_MSG( oldName.find(wxCONFIG_PATH_SEPARATOR) == wxString::npos, + wxT("RenameEntry(): paths are not supported") ); + // check that the entry exists wxFileConfigEntry *oldEntry = m_pCurrentGroup->FindEntry(oldName); if ( !oldEntry ) - return FALSE; + return false; // check that the new entry doesn't already exist if ( m_pCurrentGroup->FindEntry(newName) ) - return FALSE; + return false; // delete the old entry, create the new one wxString value = oldEntry->Value(); if ( !m_pCurrentGroup->DeleteEntry(oldName) ) - return FALSE; + return false; + + SetDirty(); wxFileConfigEntry *newEntry = m_pCurrentGroup->AddEntry(newName); newEntry->SetValue(value); - return TRUE; + return true; } bool wxFileConfig::RenameGroup(const wxString& oldName, @@ -1076,15 +1113,17 @@ bool wxFileConfig::RenameGroup(const wxString& oldName, // check that the group exists wxFileConfigGroup *group = m_pCurrentGroup->FindSubgroup(oldName); if ( !group ) - return FALSE; + return false; // check that the new group doesn't already exist if ( m_pCurrentGroup->FindSubgroup(newName) ) - return FALSE; + return false; group->Rename(newName); - return TRUE; + SetDirty(); + + return true; } // ---------------------------------------------------------------------------- @@ -1096,7 +1135,9 @@ bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso) wxConfigPathChanger path(this, key); if ( !m_pCurrentGroup->DeleteEntry(path.Name()) ) - return FALSE; + return false; + + SetDirty(); if ( bGroupIfEmptyAlso && m_pCurrentGroup->IsEmpty() ) { if ( m_pCurrentGroup != m_pRootGroup ) { @@ -1107,101 +1148,188 @@ bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso) //else: never delete the root group } - return TRUE; + return true; } bool wxFileConfig::DeleteGroup(const wxString& key) { - wxConfigPathChanger path(this, key); + wxConfigPathChanger path(this, RemoveTrailingSeparator(key)); - return m_pCurrentGroup->DeleteSubgroupByName(path.Name()); + if ( !m_pCurrentGroup->DeleteSubgroupByName(path.Name()) ) + return false; + + path.UpdateIfDeleted(); + + SetDirty(); + + return true; } bool wxFileConfig::DeleteAll() { CleanUp(); - if ( wxRemove(m_strLocalFile) == -1 ) - wxLogSysError(_("can't delete user configuration file '%s'"), m_strLocalFile.c_str()); + if ( m_fnLocalFile.IsOk() ) + { + if ( m_fnLocalFile.FileExists() && + !wxRemoveFile(m_fnLocalFile.GetFullPath()) ) + { + wxLogSysError(_("can't delete user configuration file '%s'"), + m_fnLocalFile.GetFullPath().c_str()); + return false; + } + } - m_strLocalFile = m_strGlobalFile = wxT(""); Init(); - return TRUE; + return true; } // ---------------------------------------------------------------------------- // linked list functions // ---------------------------------------------------------------------------- -// append a new line to the end of the list + // append a new line to the end of the list + wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str) { - wxFileConfigLineList *pLine = new wxFileConfigLineList(str); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" ** Adding Line '%s'"), + str.c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); + + wxFileConfigLineList *pLine = new wxFileConfigLineList(str); + + if ( m_linesTail == NULL ) + { + // list is empty + m_linesHead = pLine; + } + else + { + // adjust pointers + m_linesTail->SetNext(pLine); + pLine->SetPrev(m_linesTail); + } - if ( m_linesTail == NULL ) { - // list is empty - m_linesHead = pLine; - } - else { - // adjust pointers - m_linesTail->SetNext(pLine); - pLine->SetPrev(m_linesTail); - } + m_linesTail = pLine; + + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); - m_linesTail = pLine; - return m_linesTail; + return m_linesTail; } // insert a new line after the given one or in the very beginning if !pLine wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str, - wxFileConfigLineList *pLine) -{ - if ( pLine == m_linesTail ) - return LineListAppend(str); + wxFileConfigLineList *pLine) +{ + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" ** Inserting Line '%s' after '%s'"), + str.c_str(), + ((pLine) ? (const wxChar*)pLine->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); + + if ( pLine == m_linesTail ) + return LineListAppend(str); + + wxFileConfigLineList *pNewLine = new wxFileConfigLineList(str); + if ( pLine == NULL ) + { + // prepend to the list + pNewLine->SetNext(m_linesHead); + m_linesHead->SetPrev(pNewLine); + m_linesHead = pNewLine; + } + else + { + // insert before pLine + wxFileConfigLineList *pNext = pLine->Next(); + pNewLine->SetNext(pNext); + pNewLine->SetPrev(pLine); + pNext->SetPrev(pNewLine); + pLine->SetNext(pNewLine); + } - wxFileConfigLineList *pNewLine = new wxFileConfigLineList(str); - if ( pLine == NULL ) { - // prepend to the list - pNewLine->SetNext(m_linesHead); - m_linesHead->SetPrev(pNewLine); - m_linesHead = pNewLine; - } - else { - // insert before pLine - wxFileConfigLineList *pNext = pLine->Next(); - pNewLine->SetNext(pNext); - pNewLine->SetPrev(pLine); - pNext->SetPrev(pNewLine); - pLine->SetNext(pNewLine); - } + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); - return pNewLine; + return pNewLine; } void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine) { - wxFileConfigLineList *pPrev = pLine->Prev(), - *pNext = pLine->Next(); - - // first entry? - if ( pPrev == NULL ) - m_linesHead = pNext; - else - pPrev->SetNext(pNext); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" ** Removing Line '%s'"), + pLine->Text().c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); + + wxFileConfigLineList *pPrev = pLine->Prev(), + *pNext = pLine->Next(); + + // first entry? + + if ( pPrev == NULL ) + m_linesHead = pNext; + else + pPrev->SetNext(pNext); - // last entry? - if ( pNext == NULL ) - m_linesTail = pPrev; - else - pNext->SetPrev(pPrev); + // last entry? - delete pLine; + if ( pNext == NULL ) + m_linesTail = pPrev; + else + pNext->SetPrev(pPrev); + + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" head: %s"), + ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str() + : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" tail: %s"), + ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str() + : wxEmptyString) ); + + delete pLine; } bool wxFileConfig::LineListIsEmpty() { - return m_linesHead == NULL; + return m_linesHead == NULL; } // ============================================================================ @@ -1222,7 +1350,6 @@ wxFileConfigGroup::wxFileConfigGroup(wxFileConfigGroup *pParent, { m_pConfig = pConfig; m_pParent = pParent; - m_bDirty = FALSE; m_pLine = NULL; m_pLastEntry = NULL; @@ -1233,12 +1360,12 @@ wxFileConfigGroup::wxFileConfigGroup(wxFileConfigGroup *pParent, wxFileConfigGroup::~wxFileConfigGroup() { // entries - size_t n, nCount = m_aEntries.Count(); + size_t n, nCount = m_aEntries.GetCount(); for ( n = 0; n < nCount; n++ ) delete m_aEntries[n]; // subgroups - nCount = m_aSubgroups.Count(); + nCount = m_aSubgroups.GetCount(); for ( n = 0; n < nCount; n++ ) delete m_aSubgroups[n]; } @@ -1249,9 +1376,12 @@ wxFileConfigGroup::~wxFileConfigGroup() void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine) { - wxASSERT( m_pLine == NULL ); // shouldn't be called twice + // for a normal (i.e. not root) group this method shouldn't be called twice + // unless we are resetting the line + wxASSERT_MSG( !m_pParent || !m_pLine || !pLine, + wxT("changing line for a non-root group?") ); - m_pLine = pLine; + m_pLine = pLine; } /* @@ -1290,27 +1420,39 @@ void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine) // have it or in the very beginning if we're the root group. wxFileConfigLineList *wxFileConfigGroup::GetGroupLine() { - if ( m_pLine == NULL ) { - wxFileConfigGroup *pParent = Parent(); - - // this group wasn't present in local config file, add it now - if ( pParent != NULL ) { - wxString strFullName; - strFullName << wxT("[") - // +1: no '/' - << FilterOutEntryName(GetFullName().c_str() + 1) - << wxT("]"); - m_pLine = m_pConfig->LineListInsert(strFullName, - pParent->GetLastGroupLine()); - pParent->SetLastGroup(this); // we're surely after all the others - } - else { - // we return NULL, so that LineListInsert() will insert us in the - // very beginning + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" GetGroupLine() for Group '%s'"), + Name().c_str() ); + + if ( !m_pLine ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Getting Line item pointer") ); + + wxFileConfigGroup *pParent = Parent(); + + // this group wasn't present in local config file, add it now + if ( pParent ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" checking parent '%s'"), + pParent->Name().c_str() ); + + wxString strFullName; + + // add 1 to the name because we don't want to start with '/' + strFullName << wxT("[") + << FilterOutEntryName(GetFullName().c_str() + 1) + << wxT("]"); + m_pLine = m_pConfig->LineListInsert(strFullName, + pParent->GetLastGroupLine()); + pParent->SetLastGroup(this); // we're surely after all the others + } + //else: this is the root group and so we return NULL because we don't + // have any group line } - } - return m_pLine; + return m_pLine; } // Return the last line belonging to the subgroups of this group (after which @@ -1318,17 +1460,19 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine() // last line is the group line (m_pLine) itself. wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine() { - // if we have any subgroups, our last line is the last line of the last - // subgroup - if ( m_pLastGroup != NULL ) { - wxFileConfigLineList *pLine = m_pLastGroup->GetLastGroupLine(); + // if we have any subgroups, our last line is the last line of the last + // subgroup + if ( m_pLastGroup ) + { + wxFileConfigLineList *pLine = m_pLastGroup->GetLastGroupLine(); - wxASSERT( pLine != NULL ); // last group must have !NULL associated line - return pLine; - } + wxASSERT_MSG( pLine, wxT("last group must have !NULL associated line") ); + + return pLine; + } - // no subgroups, so the last line is the line of thelast entry (if any) - return GetLastEntryLine(); + // no subgroups, so the last line is the line of thelast entry (if any) + return GetLastEntryLine(); } // return the last line belonging to the entries of this group (after which @@ -1336,39 +1480,87 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine() // one immediately after the group line itself. wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine() { - if ( m_pLastEntry != NULL ) { - wxFileConfigLineList *pLine = m_pLastEntry->GetLine(); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" GetLastEntryLine() for Group '%s'"), + Name().c_str() ); - wxASSERT( pLine != NULL ); // last entry must have !NULL associated line - return pLine; - } + if ( m_pLastEntry ) + { + wxFileConfigLineList *pLine = m_pLastEntry->GetLine(); + + wxASSERT_MSG( pLine, wxT("last entry must have !NULL associated line") ); - // no entries: insert after the group header - return GetGroupLine(); + return pLine; + } + + // no entries: insert after the group header, if any + return GetGroupLine(); +} + +void wxFileConfigGroup::SetLastEntry(wxFileConfigEntry *pEntry) +{ + m_pLastEntry = pEntry; + + if ( !m_pLine ) + { + // the only situation in which a group without its own line can have + // an entry is when the first entry is added to the initially empty + // root pseudo-group + wxASSERT_MSG( !m_pParent, wxT("unexpected for non root group") ); + + // let the group know that it does have a line in the file now + m_pLine = pEntry->GetLine(); + } } // ---------------------------------------------------------------------------- // group name // ---------------------------------------------------------------------------- +void wxFileConfigGroup::UpdateGroupAndSubgroupsLines() +{ + // update the line of this group + wxFileConfigLineList *line = GetGroupLine(); + wxCHECK_RET( line, wxT("a non root group must have a corresponding line!") ); + + // +1: skip the leading '/' + line->SetText(wxString::Format(wxT("[%s]"), GetFullName().c_str() + 1)); + + + // also update all subgroups as they have this groups name in their lines + const size_t nCount = m_aSubgroups.GetCount(); + for ( size_t n = 0; n < nCount; n++ ) + { + m_aSubgroups[n]->UpdateGroupAndSubgroupsLines(); + } +} + void wxFileConfigGroup::Rename(const wxString& newName) { + wxCHECK_RET( m_pParent, wxT("the root group can't be renamed") ); + + if ( newName == m_strName ) + return; + + // we need to remove the group from the parent and it back under the new + // name to keep the parents array of subgroups alphabetically sorted + m_pParent->m_aSubgroups.Remove(this); + m_strName = newName; - wxFileConfigLineList *line = GetGroupLine(); - wxString strFullName; - strFullName << wxT("[") << (GetFullName().c_str() + 1) << wxT("]"); // +1: no '/' - line->SetText(strFullName); + m_pParent->m_aSubgroups.Add(this); - SetDirty(); + // update the group lines recursively + UpdateGroupAndSubgroupsLines(); } wxString wxFileConfigGroup::GetFullName() const { - if ( Parent() ) - return Parent()->GetFullName() + wxCONFIG_PATH_SEPARATOR + Name(); - else - return wxT(""); + wxString fullname; + if ( Parent() ) + fullname = Parent()->GetFullName() + wxCONFIG_PATH_SEPARATOR + Name(); + + return fullname; } // ---------------------------------------------------------------------------- @@ -1377,11 +1569,11 @@ wxString wxFileConfigGroup::GetFullName() const // use binary search because the array is sorted wxFileConfigEntry * -wxFileConfigGroup::FindEntry(const wxChar *szName) const +wxFileConfigGroup::FindEntry(const wxString& name) const { size_t i, lo = 0, - hi = m_aEntries.Count(); + hi = m_aEntries.GetCount(); int res; wxFileConfigEntry *pEntry; @@ -1390,9 +1582,9 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const pEntry = m_aEntries[i]; #if wxCONFIG_CASE_SENSITIVE - res = wxStrcmp(pEntry->Name(), szName); + res = pEntry->Name().compare(name); #else - res = wxStricmp(pEntry->Name(), szName); + res = pEntry->Name().CmpNoCase(name); #endif if ( res > 0 ) @@ -1407,11 +1599,11 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const } wxFileConfigGroup * -wxFileConfigGroup::FindSubgroup(const wxChar *szName) const +wxFileConfigGroup::FindSubgroup(const wxString& name) const { size_t i, lo = 0, - hi = m_aSubgroups.Count(); + hi = m_aSubgroups.GetCount(); int res; wxFileConfigGroup *pGroup; @@ -1420,9 +1612,9 @@ wxFileConfigGroup::FindSubgroup(const wxChar *szName) const pGroup = m_aSubgroups[i]; #if wxCONFIG_CASE_SENSITIVE - res = wxStrcmp(pGroup->Name(), szName); + res = pGroup->Name().compare(name); #else - res = wxStricmp(pGroup->Name(), szName); + res = pGroup->Name().CmpNoCase(name); #endif if ( res > 0 ) @@ -1441,27 +1633,25 @@ wxFileConfigGroup::FindSubgroup(const wxChar *szName) const // ---------------------------------------------------------------------------- // create a new entry and add it to the current group -wxFileConfigEntry * -wxFileConfigGroup::AddEntry(const wxString& strName, int nLine) +wxFileConfigEntry *wxFileConfigGroup::AddEntry(const wxString& strName, int nLine) { - wxASSERT( FindEntry(strName) == NULL ); + wxASSERT( FindEntry(strName) == 0 ); - wxFileConfigEntry *pEntry = new wxFileConfigEntry(this, strName, nLine); - m_aEntries.Add(pEntry); + wxFileConfigEntry *pEntry = new wxFileConfigEntry(this, strName, nLine); - return pEntry; + m_aEntries.Add(pEntry); + return pEntry; } // create a new group and add it to the current group -wxFileConfigGroup * -wxFileConfigGroup::AddSubgroup(const wxString& strName) +wxFileConfigGroup *wxFileConfigGroup::AddSubgroup(const wxString& strName) { - wxASSERT( FindSubgroup(strName) == NULL ); + wxASSERT( FindSubgroup(strName) == 0 ); - wxFileConfigGroup *pGroup = new wxFileConfigGroup(this, strName, m_pConfig); - m_aSubgroups.Add(pGroup); + wxFileConfigGroup *pGroup = new wxFileConfigGroup(this, strName, m_pConfig); - return pGroup; + m_aSubgroups.Add(pGroup); + return pGroup; } // ---------------------------------------------------------------------------- @@ -1475,82 +1665,135 @@ wxFileConfigGroup::AddSubgroup(const wxString& strName) delete several of them. */ -bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName) +bool wxFileConfigGroup::DeleteSubgroupByName(const wxString& name) { - return DeleteSubgroup(FindSubgroup(szName)); + wxFileConfigGroup * const pGroup = FindSubgroup(name); + + return pGroup ? DeleteSubgroup(pGroup) : false; } -// doesn't delete the subgroup itself, but does remove references to it from -// all other data structures (and normally the returned pointer should be -// deleted a.s.a.p. because there is nothing much to be done with it anyhow) +// Delete the subgroup and remove all references to it from +// other data structures. bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup) { - wxCHECK( pGroup != NULL, FALSE ); // deleting non existing group? + wxCHECK_MSG( pGroup, false, wxT("deleting non existing group?") ); - // delete all entries - size_t nCount = pGroup->m_aEntries.Count(); - for ( size_t nEntry = 0; nEntry < nCount; nEntry++ ) { - wxFileConfigLineList *pLine = pGroup->m_aEntries[nEntry]->GetLine(); - if ( pLine != NULL ) - m_pConfig->LineListRemove(pLine); - } + wxLogTrace( FILECONF_TRACE_MASK, + wxT("Deleting group '%s' from '%s'"), + pGroup->Name().c_str(), + Name().c_str() ); - // and subgroups of this sungroup - nCount = pGroup->m_aSubgroups.Count(); - for ( size_t nGroup = 0; nGroup < nCount; nGroup++ ) { - pGroup->DeleteSubgroup(pGroup->m_aSubgroups[0]); - } + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" (m_pLine) = prev: %p, this %p, next %p"), + m_pLine ? static_cast(m_pLine->Prev()) : 0, + static_cast(m_pLine), + m_pLine ? static_cast(m_pLine->Next()) : 0 ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" text: '%s'"), + m_pLine ? (const wxChar*)m_pLine->Text().c_str() + : wxEmptyString ); - wxFileConfigLineList *pLine = pGroup->m_pLine; - if ( pLine != NULL ) { - // notice that we may do this test inside the previous "if" because the - // last entry's line is surely !NULL - if ( pGroup == m_pLastGroup ) { - // our last entry is being deleted - find the last one which stays - wxASSERT( m_pLine != NULL ); // we have a subgroup with !NULL pLine... - - // go back until we find a subgroup or reach the group's line - wxFileConfigGroup *pNewLast = NULL; - size_t n, nSubgroups = m_aSubgroups.Count(); - wxFileConfigLineList *pl; - for ( pl = pLine->Prev(); pl != m_pLine; pl = pl->Prev() ) { - // is it our subgroup? - for ( n = 0; (pNewLast == NULL) && (n < nSubgroups); n++ ) { - // do _not_ call GetGroupLine! we don't want to add it to the local - // file if it's not already there - if ( m_aSubgroups[n]->m_pLine == m_pLine ) - pNewLast = m_aSubgroups[n]; + // delete all entries... + size_t nCount = pGroup->m_aEntries.GetCount(); + + wxLogTrace(FILECONF_TRACE_MASK, + wxT("Removing %lu entries"), (unsigned long)nCount ); + + for ( size_t nEntry = 0; nEntry < nCount; nEntry++ ) + { + wxFileConfigLineList *pLine = pGroup->m_aEntries[nEntry]->GetLine(); + + if ( pLine ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" '%s'"), + pLine->Text().c_str() ); + m_pConfig->LineListRemove(pLine); } + } - if ( pNewLast != NULL ) // found? - break; - } + // ...and subgroups of this subgroup + nCount = pGroup->m_aSubgroups.GetCount(); - if ( pl == m_pLine ) { - wxASSERT( !pNewLast ); // how comes it has the same line as we? + wxLogTrace( FILECONF_TRACE_MASK, + wxT("Removing %lu subgroups"), (unsigned long)nCount ); - // we've reached the group line without finding any subgroups - m_pLastGroup = NULL; - } - else - m_pLastGroup = pNewLast; + for ( size_t nGroup = 0; nGroup < nCount; nGroup++ ) + { + pGroup->DeleteSubgroup(pGroup->m_aSubgroups[0]); } - m_pConfig->LineListRemove(pLine); - } + // and then finally the group itself + wxFileConfigLineList *pLine = pGroup->m_pLine; + if ( pLine ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Removing line for group '%s' : '%s'"), + pGroup->Name().c_str(), + pLine->Text().c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Removing from group '%s' : '%s'"), + Name().c_str(), + ((m_pLine) ? (const wxChar*)m_pLine->Text().c_str() + : wxEmptyString) ); + + // notice that we may do this test inside the previous "if" + // because the last entry's line is surely !NULL + if ( pGroup == m_pLastGroup ) + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" Removing last group") ); + + // our last entry is being deleted, so find the last one which + // stays by going back until we find a subgroup or reach the + // group line + const size_t nSubgroups = m_aSubgroups.GetCount(); + + m_pLastGroup = NULL; + for ( wxFileConfigLineList *pl = pLine->Prev(); + pl && !m_pLastGroup; + pl = pl->Prev() ) + { + // does this line belong to our subgroup? + for ( size_t n = 0; n < nSubgroups; n++ ) + { + // do _not_ call GetGroupLine! we don't want to add it to + // the local file if it's not already there + if ( m_aSubgroups[n]->m_pLine == pl ) + { + m_pLastGroup = m_aSubgroups[n]; + break; + } + } + + if ( pl == m_pLine ) + break; + } + } - SetDirty(); + m_pConfig->LineListRemove(pLine); + } + else + { + wxLogTrace( FILECONF_TRACE_MASK, + wxT(" No line entry for Group '%s'?"), + pGroup->Name().c_str() ); + } - m_aSubgroups.Remove(pGroup); - delete pGroup; + m_aSubgroups.Remove(pGroup); + delete pGroup; - return TRUE; + return true; } -bool wxFileConfigGroup::DeleteEntry(const wxChar *szName) +bool wxFileConfigGroup::DeleteEntry(const wxString& name) { - wxFileConfigEntry *pEntry = FindEntry(szName); - wxCHECK( pEntry != NULL, FALSE ); // deleting non existing item? + wxFileConfigEntry *pEntry = FindEntry(name); + if ( !pEntry ) + { + // entry doesn't exist, nothing to do + return false; + } wxFileConfigLineList *pLine = pEntry->GetLine(); if ( pLine != NULL ) { @@ -1560,51 +1803,35 @@ bool wxFileConfigGroup::DeleteEntry(const wxChar *szName) // our last entry is being deleted - find the last one which stays wxASSERT( m_pLine != NULL ); // if we have an entry with !NULL pLine... - // go back until we find another entry or reach the group's line + // find the previous entry (if any) wxFileConfigEntry *pNewLast = NULL; - size_t n, nEntries = m_aEntries.Count(); - wxFileConfigLineList *pl; - for ( pl = pLine->Prev(); pl != m_pLine; pl = pl->Prev() ) { - // is it our subgroup? - for ( n = 0; (pNewLast == NULL) && (n < nEntries); n++ ) { - if ( m_aEntries[n]->GetLine() == m_pLine ) - pNewLast = m_aEntries[n]; - } - - if ( pNewLast != NULL ) // found? + const wxFileConfigLineList * const + pNewLastLine = m_pLastEntry->GetLine()->Prev(); + const size_t nEntries = m_aEntries.GetCount(); + for ( size_t n = 0; n < nEntries; n++ ) { + if ( m_aEntries[n]->GetLine() == pNewLastLine ) { + pNewLast = m_aEntries[n]; break; + } } - if ( pl == m_pLine ) { - wxASSERT( !pNewLast ); // how comes it has the same line as we? + // pNewLast can be NULL here -- it's ok and can happen if we have no + // entries left + m_pLastEntry = pNewLast; - // we've reached the group line without finding any subgroups - m_pLastEntry = NULL; - } - else - m_pLastEntry = pNewLast; + // For the root group only, we could be removing the first group line + // here, so update m_pLine to avoid keeping a dangling pointer. + if ( pLine == m_pLine ) + SetLine(NULL); } m_pConfig->LineListRemove(pLine); } - // we must be written back for the changes to be saved - SetDirty(); - m_aEntries.Remove(pEntry); delete pEntry; - return TRUE; -} - -// ---------------------------------------------------------------------------- -// -// ---------------------------------------------------------------------------- -void wxFileConfigGroup::SetDirty() -{ - m_bDirty = TRUE; - if ( Parent() != NULL ) // propagate upwards - Parent()->SetDirty(); + return true; } // ============================================================================ @@ -1619,14 +1846,13 @@ wxFileConfigEntry::wxFileConfigEntry(wxFileConfigGroup *pParent, int nLine) : m_strName(strName) { - wxASSERT( !strName.IsEmpty() ); + wxASSERT( !strName.empty() ); m_pParent = pParent; m_nLine = nLine; m_pLine = NULL; - m_bDirty = - m_bHasValue = FALSE; + m_bHasValue = false; m_bImmutable = strName[0] == wxCONFIG_IMMUTABLE_PREFIX; if ( m_bImmutable ) @@ -1648,50 +1874,57 @@ void wxFileConfigEntry::SetLine(wxFileConfigLineList *pLine) Group()->SetLastEntry(this); } -// second parameter is FALSE if we read the value from file and prevents the +// second parameter is false if we read the value from file and prevents the // entry from being marked as 'dirty' void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser) { - if ( bUser && IsImmutable() ) { - wxLogWarning(_("attempt to change immutable key '%s' ignored."), - Name().c_str()); - return; - } - - // do nothing if it's the same value: but don't test for it if m_bHasValue - // hadn't been set yet or we'd never write empty values to the file - if ( m_bHasValue && strValue == m_strValue ) - return; + if ( bUser && IsImmutable() ) + { + wxLogWarning( _("attempt to change immutable key '%s' ignored."), + Name().c_str()); + return; + } - m_bHasValue = TRUE; - m_strValue = strValue; + // do nothing if it's the same value: but don't test for it if m_bHasValue + // hadn't been set yet or we'd never write empty values to the file + if ( m_bHasValue && strValue == m_strValue ) + return; - if ( bUser ) { - wxString strVal = FilterOutValue(strValue); - wxString strLine; - strLine << FilterOutEntryName(m_strName) << wxT('=') << strVal; + m_bHasValue = true; + m_strValue = strValue; - if ( m_pLine != NULL ) { - // entry was read from the local config file, just modify the line - m_pLine->SetText(strLine); - } - else { - // add a new line to the file - wxASSERT( m_nLine == wxNOT_FOUND ); // consistency check + if ( bUser ) + { + wxString strValFiltered; - m_pLine = Group()->Config()->LineListInsert(strLine, - Group()->GetLastEntryLine()); - Group()->SetLastEntry(this); - } + if ( Group()->Config()->GetStyle() & wxCONFIG_USE_NO_ESCAPE_CHARACTERS ) + { + strValFiltered = strValue; + } + else { + strValFiltered = FilterOutValue(strValue); + } - SetDirty(); - } -} + wxString strLine; + strLine << FilterOutEntryName(m_strName) << wxT('=') << strValFiltered; -void wxFileConfigEntry::SetDirty() -{ - m_bDirty = TRUE; - Group()->SetDirty(); + if ( m_pLine ) + { + // entry was read from the local config file, just modify the line + m_pLine->SetText(strLine); + } + else // this entry didn't exist in the local file + { + // add a new line to the file: note that line returned by + // GetLastEntryLine() may be NULL if we're in the root group and it + // doesn't have any entries yet, but this is ok as passing NULL + // line to LineListInsert() means to prepend new line to the list + wxFileConfigLineList *line = Group()->GetLastEntryLine(); + m_pLine = Group()->Config()->LineListInsert(strLine, line); + + Group()->SetLastEntry(this); + } + } } // ============================================================================ @@ -1704,20 +1937,20 @@ void wxFileConfigEntry::SetDirty() int CompareEntries(wxFileConfigEntry *p1, wxFileConfigEntry *p2) { - #if wxCONFIG_CASE_SENSITIVE - return wxStrcmp(p1->Name(), p2->Name()); - #else - return wxStricmp(p1->Name(), p2->Name()); - #endif +#if wxCONFIG_CASE_SENSITIVE + return p1->Name().compare(p2->Name()); +#else + return p1->Name().CmpNoCase(p2->Name()); +#endif } int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2) { - #if wxCONFIG_CASE_SENSITIVE - return wxStrcmp(p1->Name(), p2->Name()); - #else - return wxStricmp(p1->Name(), p2->Name()); - #endif +#if wxCONFIG_CASE_SENSITIVE + return p1->Name().compare(p2->Name()); +#else + return p1->Name().CmpNoCase(p2->Name()); +#endif } // ---------------------------------------------------------------------------- @@ -1727,47 +1960,66 @@ int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2) // undo FilterOutValue static wxString FilterInValue(const wxString& str) { - wxString strResult; - strResult.Alloc(str.Len()); + wxString strResult; + if ( str.empty() ) + return strResult; - bool bQuoted = !str.IsEmpty() && str[0] == '"'; + strResult.reserve(str.length()); - for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) { - if ( str[n] == wxT('\\') ) { - switch ( str[++n] ) { - case wxT('n'): - strResult += wxT('\n'); - break; - - case wxT('r'): - strResult += wxT('\r'); - break; + wxString::const_iterator i = str.begin(); + const bool bQuoted = *i == '"'; + if ( bQuoted ) + ++i; - case wxT('t'): - strResult += wxT('\t'); - break; - - case wxT('\\'): - strResult += wxT('\\'); - break; - - case wxT('"'): - strResult += wxT('"'); - break; - } - } - else { - if ( str[n] != wxT('"') || !bQuoted ) - strResult += str[n]; - else if ( n != str.Len() - 1 ) { - wxLogWarning(_("unexpected \" at position %d in '%s'."), - n, str.c_str()); - } - //else: it's the last quote of a quoted string, ok + for ( const wxString::const_iterator end = str.end(); i != end; ++i ) + { + if ( *i == wxT('\\') ) + { + if ( ++i == end ) + { + wxLogWarning(_("trailing backslash ignored in '%s'"), str.c_str()); + break; + } + + switch ( (*i).GetValue() ) + { + case wxT('n'): + strResult += wxT('\n'); + break; + + case wxT('r'): + strResult += wxT('\r'); + break; + + case wxT('t'): + strResult += wxT('\t'); + break; + + case wxT('\\'): + strResult += wxT('\\'); + break; + + case wxT('"'): + strResult += wxT('"'); + break; + } + } + else // not a backslash + { + if ( *i != wxT('"') || !bQuoted ) + { + strResult += *i; + } + else if ( i != end - 1 ) + { + wxLogWarning(_("unexpected \" at position %d in '%s'."), + i - str.begin(), str.c_str()); + } + //else: it's the last quote of a quoted string, ok + } } - } - return strResult; + return strResult; } // quote the string before writing it to file @@ -1787,7 +2039,7 @@ static wxString FilterOutValue(const wxString& str) wxChar c; for ( size_t n = 0; n < str.Len(); n++ ) { - switch ( str[n] ) { + switch ( str[n].GetValue() ) { case wxT('\n'): c = wxT('n'); break; @@ -1833,8 +2085,11 @@ static wxString FilterInEntryName(const wxString& str) strResult.Alloc(str.Len()); for ( const wxChar *pc = str.c_str(); *pc != '\0'; pc++ ) { - if ( *pc == wxT('\\') ) - pc++; + if ( *pc == wxT('\\') ) { + // we need to test it here or we'd skip past the NUL in the loop line + if ( *++pc == wxT('\0') ) + break; + } strResult += *pc; } @@ -1849,14 +2104,22 @@ static wxString FilterOutEntryName(const wxString& str) strResult.Alloc(str.Len()); for ( const wxChar *pc = str.c_str(); *pc != wxT('\0'); pc++ ) { - wxChar c = *pc; + const wxChar c = *pc; // we explicitly allow some of "safe" chars and 8bit ASCII characters - // which will probably never have special meaning + // which will probably never have special meaning and with which we can't + // use isalnum() anyhow (in ASCII built, in Unicode it's just fine) + // // NB: note that wxCONFIG_IMMUTABLE_PREFIX and wxCONFIG_PATH_SEPARATOR // should *not* be quoted - if ( !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%"), c) && ((c & 0x80) == 0) ) + if ( +#if !wxUSE_UNICODE + ((unsigned char)c < 127) && +#endif // ANSI + !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%()"), c) ) + { strResult += wxT('\\'); + } strResult += c; } @@ -1875,4 +2138,3 @@ static wxString GetAppName(const wxString& appName) } #endif // wxUSE_CONFIG -