X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1f905dc575e7fecaa80da130abb82d8c4370b095..761598d4e5b9f59bfc773e06f843c070d920f8b9:/src/common/fileconf.cpp?ds=inline diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp index 9a0f899135..3a25662db7 100644 --- a/src/common/fileconf.cpp +++ b/src/common/fileconf.cpp @@ -1,124 +1,374 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: fileconf.cpp +// Name: src/common/fileconf.cpp // Purpose: implementation of wxFileConfig derivation of wxConfig // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 07.04.98 (adapted from appconf.cpp) // RCS-ID: $Id$ // Copyright: (c) 1997 Karsten Ballüder & Vadim Zeitlin // Ballueder@usa.net -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -// ============================================================================ -// declarations -// ============================================================================ - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- + #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif //__BORLANDC__ +#if wxUSE_CONFIG && wxUSE_FILECONFIG + #ifndef WX_PRECOMP - #include - #include + #include "wx/string.h" + #include "wx/intl.h" #endif //WX_PRECOMP -#include -#include -#include -#include -#include -#include - -// _WINDOWS_ is defined when windows.h is included, -// __WINDOWS__ is defined for MS Windows compilation -#if defined(__WINDOWS__) && !defined(_WINDOWS_) - #include +#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/utils.h" // for wxGetHomeDir + +#if defined(__WXMAC__) + #include "wx/mac/private.h" // includes mac headers + #include "wx/filename.h" // for MacSetTypeAndCreator +#endif + +#if defined(__WXMSW__) + #include "wx/msw/private.h" #endif //windows.h +#if defined(__WXPM__) + #define INCL_DOS + #include +#endif #include #include +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- +#define CONST_CAST ((wxFileConfig *)this)-> + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +#ifndef MAX_PATH + #define MAX_PATH 512 +#endif + +#define FILECONF_TRACE_MASK _T("fileconf") + // ---------------------------------------------------------------------------- // global functions declarations // ---------------------------------------------------------------------------- -// is 'c' a valid character in group name? -// NB: APPCONF_IMMUTABLE_PREFIX and APPCONF_PATH_SEPARATOR must be valid chars, -// but _not_ ']' (group name delimiter) -inline bool IsValid(char c) { return isalnum(c) || strchr("_/-!.*%", c); } +// compare functions for sorting the arrays +static int LINKAGEMODE CompareEntries(wxFileConfigEntry *p1, wxFileConfigEntry *p2); +static int LINKAGEMODE CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2); // filter strings -static wxString FilterIn(const wxString& str); -static wxString FilterOut(const wxString& str); +static wxString FilterInValue(const wxString& str); +static wxString FilterOutValue(const wxString& str); + +static wxString FilterInEntryName(const wxString& str); +static wxString FilterOutEntryName(const wxString& str); + +// get the name to use in wxFileConfig ctor +static wxString GetAppName(const wxString& appname); // ============================================================================ -// implementation +// private classes // ============================================================================ // ---------------------------------------------------------------------------- -// static functions +// "template" array types +// ---------------------------------------------------------------------------- + +#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 + // ---------------------------------------------------------------------------- -wxString wxFileConfig::GetGlobalFileName(const char *szFile) +// wxFileConfigLineList +// ---------------------------------------------------------------------------- + +// we store all lines of the local config file as a linked list in memory +class wxFileConfigLineList { - wxString str; +public: + void SetNext(wxFileConfigLineList *pNext) { m_pNext = pNext; } + void SetPrev(wxFileConfigLineList *pPrev) { m_pPrev = pPrev; } - bool bNoExt = strchr(szFile, '.') == NULL; + // ctor + wxFileConfigLineList(const wxString& str, + wxFileConfigLineList *pNext = NULL) : m_strLine(str) + { SetNext(pNext); SetPrev(NULL); } - #ifdef __UNIX__ - str << "/etc/" << szFile; - if ( bNoExt ) - str << ".conf"; - #else // Windows - #ifndef _MAX_PATH - #define _MAX_PATH 512 - #endif + // next/prev nodes in the linked list + wxFileConfigLineList *Next() const { return m_pNext; } + wxFileConfigLineList *Prev() const { return m_pPrev; } - char szWinDir[_MAX_PATH]; - ::GetWindowsDirectory(szWinDir, _MAX_PATH); - str << szWinDir << "\\" << szFile; - if ( bNoExt ) - str << ".ini"; - #endif // UNIX/Win + // get/change lines text + void SetText(const wxString& str) { m_strLine = str; } + const wxString& Text() const { return m_strLine; } - return str; -} +private: + wxString m_strLine; // line contents + wxFileConfigLineList *m_pNext, // next node + *m_pPrev; // previous one + + DECLARE_NO_COPY_CLASS(wxFileConfigLineList) +}; + +// ---------------------------------------------------------------------------- +// wxFileConfigEntry: a name/value pair +// ---------------------------------------------------------------------------- + +class wxFileConfigEntry +{ +private: + wxFileConfigGroup *m_pParent; // group that contains us + + wxString m_strName, // entry name + m_strValue; // value + bool m_bImmutable:1, // can be overriden locally? + m_bHasValue:1; // set after first call to SetValue() + + int m_nLine; // used if m_pLine == NULL only + + // pointer to our line in the linked list or NULL if it was found in global + // file (which we don't modify) + wxFileConfigLineList *m_pLine; + +public: + wxFileConfigEntry(wxFileConfigGroup *pParent, + const wxString& strName, int nLine); + + // simple accessors + const wxString& Name() const { return m_strName; } + const wxString& Value() const { return m_strValue; } + wxFileConfigGroup *Group() const { return m_pParent; } + bool IsImmutable() const { return m_bImmutable; } + bool IsLocal() const { return m_pLine != 0; } + int Line() const { return m_nLine; } + wxFileConfigLineList * + GetLine() const { return m_pLine; } + + // modify entry attributes + void SetValue(const wxString& strValue, bool bUser = true); + void SetLine(wxFileConfigLineList *pLine); + + DECLARE_NO_COPY_CLASS(wxFileConfigEntry) +}; + +// ---------------------------------------------------------------------------- +// wxFileConfigGroup: container of entries and other groups +// ---------------------------------------------------------------------------- -wxString wxFileConfig::GetLocalFileName(const char *szFile) +class wxFileConfigGroup { - wxString str; +private: + wxFileConfig *m_pConfig; // config object we belong to + wxFileConfigGroup *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 + 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) + + // DeleteSubgroupByName helper + bool DeleteSubgroup(wxFileConfigGroup *pGroup); + + // used by Rename() + void UpdateGroupAndSubgroupsLines(); + +public: + // ctor + wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *); + + // dtor deletes all entries and subgroups also + ~wxFileConfigGroup(); + + // simple accessors + const wxString& Name() const { return m_strName; } + wxFileConfigGroup *Parent() const { return m_pParent; } + wxFileConfig *Config() const { return m_pConfig; } + + 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; + + // delete entry/subgroup, return false if doesn't exist + bool DeleteSubgroupByName(const wxChar *szName); + bool DeleteEntry(const wxChar *szName); + + // create new entry/subgroup returning pointer to newly created element + wxFileConfigGroup *AddSubgroup(const wxString& strName); + wxFileConfigEntry *AddEntry (const wxString& strName, int nLine = wxNOT_FOUND); + + void SetLine(wxFileConfigLineList *pLine); + + // rename: no checks are done to ensure that the name is unique! + void Rename(const wxString& newName); + + // + wxString GetFullName() const; - #ifdef __UNIX__ - const char *szHome = getenv("HOME"); - if ( szHome == NULL ) { - // we're homeless... - wxLogWarning("can't find user's HOME, using current directory."); - szHome = "."; + // get the last line belonging to an entry/subgroup of this group + wxFileConfigLineList *GetGroupLine(); // line which contains [group] + 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); + void SetLastGroup(wxFileConfigGroup *pGroup) + { m_pLastGroup = pGroup; } + + DECLARE_NO_COPY_CLASS(wxFileConfigGroup) +}; + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// static functions +// ---------------------------------------------------------------------------- +wxString wxFileConfig::GetGlobalDir() +{ + 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(__OS2__) + ULONG aulSysInfo[QSV_MAX] = {0}; + UINT drive; + APIRET rc; + + rc = DosQuerySysInfo( 1L, QSV_MAX, (PVOID)aulSysInfo, sizeof(ULONG)*QSV_MAX); + if (rc == 0) + { + drive = aulSysInfo[QSV_BOOT_DRIVE - 1]; + strDir.Printf(wxT("%c:\\OS2\\"), 'A'+drive-1); } - str << szHome << "/." << szFile; - #else // Windows - #ifdef __WIN32__ - const char *szHome = getenv("HOMEDRIVE"); - if ( szHome != NULL ) - str << szHome; - szHome = getenv("HOMEPATH"); - if ( szHome != NULL ) - str << szHome; - str << szFile; - if ( strchr(szFile, '.') == NULL ) - str << ".ini"; - #else // Win16 - // Win16 has no idea about home, so use the current directory instead - str << ".\\" << szFile; - #endif // WIN16/32 - #endif // UNIX/Win +#elif defined(__WXSTUBS__) + wxASSERT_MSG( false, wxT("TODO") ) ; +#elif defined(__DOS__) + // There's no such thing as global cfg dir in MS-DOS, let's return + // current directory (FIXME_MGL?) + strDir = wxT(".\\"); +#elif defined(__WXWINCE__) + strDir = wxT("\\Windows\\"); +#else // Windows + + wxChar szWinDir[MAX_PATH]; + ::GetWindowsDirectory(szWinDir, MAX_PATH); + + strDir = szWinDir; + strDir << wxT('\\'); +#endif // Unix/Windows + + return strDir; +} + +wxString wxFileConfig::GetLocalDir() +{ + wxString strDir; + +#if defined(__WXMAC__) || defined(__DOS__) + // no local dir concept on Mac OS 9 or MS-DOS + 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 + + return strDir; +} - return str; +wxString wxFileConfig::GetGlobalFileName(const wxChar *szFile) +{ + wxString str = GetGlobalDir(); + str << szFile; + + if ( wxStrchr(szFile, wxT('.')) == NULL ) +#if defined( __WXMAC__ ) + str << wxT(" Preferences") ; +#elif defined( __UNIX__ ) + str << wxT(".conf"); +#else // Windows + str << wxT(".ini"); +#endif // UNIX/Win + + return str; +} + +wxString wxFileConfig::GetLocalFileName(const wxChar *szFile) +{ +#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; + +#if defined(__WINDOWS__) || defined(__DOS__) + if ( wxStrchr(szFile, wxT('.')) == NULL ) + str << wxT(".ini"); +#endif + +#ifdef __WXMAC__ + str << wxT(" Preferences") ; +#endif + + return str; } // ---------------------------------------------------------------------------- @@ -127,155 +377,330 @@ wxString wxFileConfig::GetLocalFileName(const char *szFile) void wxFileConfig::Init() { - m_pCurrentGroup = - m_pRootGroup = new ConfigGroup(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. - m_bExpandEnvVars = TRUE; + // parse the global file + if ( !m_strGlobalFile.empty() && wxFile::Exists(m_strGlobalFile) ) + { + wxTextFile fileGlobal(m_strGlobalFile); - m_strPath.Empty(); + if ( fileGlobal.Open(m_conv/*ignored in ANSI build*/) ) + { + Parse(fileGlobal, false /* global */); + SetRootPath(); + } + else + { + wxLogWarning(_("can't open global configuration file '%s'."), m_strGlobalFile.c_str()); + } + } + + // parse the local file + if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) ) + { + wxTextFile fileLocal(m_strLocalFile); + if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) ) + { + Parse(fileLocal, true /* local */); + SetRootPath(); + } + else + { + wxLogWarning(_("can't open user configuration file '%s'."), m_strLocalFile.c_str() ); + } + } + + m_isDirty = false; } -wxFileConfig::wxFileConfig(const wxString& strLocal, const wxString& strGlobal) - : m_strLocalFile(strLocal), m_strGlobalFile(strGlobal) +// 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, wxMBConv& conv) + : wxConfigBase(::GetAppName(appName), vendorName, + strLocal, strGlobal, + style), + m_strLocalFile(strLocal), m_strGlobalFile(strGlobal), + m_conv(conv) { - Init(); + // Make up names for files if empty + if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) ) + m_strLocalFile = GetLocalFileName(GetAppName()); + + if ( m_strGlobalFile.empty() && (style & wxCONFIG_USE_GLOBAL_FILE) ) + m_strGlobalFile = GetGlobalFileName(GetAppName()); + + // Check if styles are not supplied, but filenames are, in which case + // add the correct styles. + if ( !m_strLocalFile.empty() ) + SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); + + if ( !m_strGlobalFile.empty() ) + 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.empty() && !wxIsAbsolutePath(m_strLocalFile) ) + { + const wxString strLocalOrig = m_strLocalFile; + m_strLocalFile = GetLocalDir(); + m_strLocalFile << strLocalOrig; + } - // it's not an error if (one of the) file(s) doesn't exist + if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) ) + { + const wxString strGlobalOrig = m_strGlobalFile; + m_strGlobalFile = GetGlobalDir(); + m_strGlobalFile << strGlobalOrig; + } + } - // parse the global file - if ( !strGlobal.IsEmpty() ) { - if ( wxFile::Exists(strGlobal) ) { - wxTextFile fileGlobal(strGlobal); + SetUmask(-1); - if ( fileGlobal.Open() ) { - Parse(fileGlobal, FALSE /* global */); - SetRootPath(); - } - else - wxLogWarning("Can't open global configuration file '%s'.", - strGlobal.c_str()); + Init(); +} + +#if wxUSE_STREAMS + +wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv) + : m_conv(conv) +{ + // always local_file when this constructor is called (?) + SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); + + m_pCurrentGroup = + 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; + + char buf[1024]; + do + { + inStream.Read(buf, WXSIZEOF(buf)-1); // leave room for the NULL + + const wxStreamError err = inStream.GetLastError(); + + if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF ) + { + wxLogError(_("Error reading config options.")); + break; + } + + // FIXME: this is broken because if we have part of multibyte + // character in the buffer (and another part hasn't been + // read yet) we're going to lose data because of conversion + // errors + buf[inStream.LastRead()] = '\0'; + strTmp += conv.cMB2WX(buf); + } + while ( !inStream.Eof() ); + + strTrans = wxTextBuffer::Translate(strTmp); } - } - // parse the local file - if ( wxFile::Exists(strLocal) ) { - wxTextFile fileLocal(strLocal); - if ( fileLocal.Open() ) { - Parse(fileLocal, TRUE /* local */); - SetRootPath(); + 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); + + int posLineStart = strTrans.Find(pEOL); + while ( posLineStart != -1 ) + { + wxString line(strTrans.Left(posLineStart)); + + memText.AddLine(line); + + strTrans = strTrans.Mid(posLineStart + EOLLen); + + posLineStart = strTrans.Find(pEOL); + } + + // also add whatever we have left in the translated string. + if ( !strTrans.empty() ) + memText.AddLine(strTrans); + + // Finally we can parse it all. + Parse(memText, true /* local */); + + SetRootPath(); + ResetDirty(); +} + +#endif // wxUSE_STREAMS + +void wxFileConfig::CleanUp() +{ + delete m_pRootGroup; + + wxFileConfigLineList *pCur = m_linesHead; + while ( pCur != NULL ) { + wxFileConfigLineList *pNext = pCur->Next(); + delete pCur; + pCur = pNext; } - else - wxLogWarning("Can't open user configuration file '%s'.", - strLocal.c_str()); - } } wxFileConfig::~wxFileConfig() { - Flush(); - delete m_pRootGroup; + Flush(); + + CleanUp(); } // ---------------------------------------------------------------------------- // parse a config file // ---------------------------------------------------------------------------- -void wxFileConfig::Parse(wxTextFile& file, bool bLocal) +void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal) { - const char *pStart; - const char *pEnd; - - for ( uint n = 0; n < file.GetLineCount(); n++ ) { + const wxChar *pStart; + const wxChar *pEnd; + wxString strLine; + + size_t nLineCount = buffer.GetLineCount(); + + for ( size_t n = 0; n < nLineCount; n++ ) + { + strLine = buffer[n]; + // add the line to linked list if ( bLocal ) - LineListAppend(file[n]); + { + LineListAppend(strLine); + + // let the root group have its start line as well + if ( !n ) + { + m_pCurrentGroup->SetLine(m_linesTail); + } + } + // skip leading spaces - for ( pStart = file[n]; isspace(*pStart); pStart++ ) + for ( pStart = strLine; wxIsspace(*pStart); pStart++ ) ; // skip blank/comment lines - if ( *pStart == '\0'|| *pStart == ';' || *pStart == '#' ) + if ( *pStart == wxT('\0')|| *pStart == wxT(';') || *pStart == wxT('#') ) continue; - if ( *pStart == '[' ) { // a new group + if ( *pStart == wxT('[') ) { // a new group pEnd = pStart; - while ( *++pEnd != ']' ) { - if ( !IsValid(*pEnd) && *pEnd != ' ' ) // allow spaces in group names - break; + while ( *++pEnd != wxT(']') ) { + if ( *pEnd == wxT('\\') ) { + // the next char is escaped, so skip it even if it is ']' + pEnd++; + } + + if ( *pEnd == wxT('\n') || *pEnd == wxT('\0') ) { + // we reached the end of line, break out of the loop + break; + } } - if ( *pEnd != ']' ) { - wxLogError("file '%s': unexpected character at line %d (missing ']'?)", - file.GetName(), n + 1); + if ( *pEnd != wxT(']') ) { + wxLogError(_("file '%s': unexpected character %c at line %d."), + buffer.GetName(), *pEnd, n + 1); continue; // skip this line } // group name here is always considered as abs path wxString strGroup; pStart++; - strGroup << APPCONF_PATH_SEPARATOR << wxString(pStart, pEnd - pStart); + strGroup << wxCONFIG_PATH_SEPARATOR + << FilterInEntryName(wxString(pStart, pEnd - pStart)); // will create it if doesn't yet exist 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; - while ( *++pEnd != '\0' && bCont ) { + bool bCont = true; + while ( *++pEnd != wxT('\0') && bCont ) { switch ( *pEnd ) { - case '#': - case ';': - bCont = FALSE; + case wxT('#'): + case wxT(';'): + bCont = false; break; - - case ' ': - case '\t': + + case wxT(' '): + case wxT('\t'): // ignore whitespace ('\n' impossible here) break; - + default: - wxLogWarning("file '%s', line %d: '%s' ignored after group header.", - file.GetName(), n + 1, pEnd); - bCont = FALSE; + wxLogWarning(_("file '%s', line %d: '%s' ignored after group header."), + buffer.GetName(), n + 1, pEnd); + bCont = false; } } } else { // a key - const char *pEnd = pStart; - while ( IsValid(*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) + pEnd++; + if ( !*pEnd ) { + // the error message will be given below anyhow + break; + } + } + pEnd++; + } - wxString strKey(pStart, pEnd); + wxString strKey(FilterInEntryName(wxString(pStart, pEnd).Trim())); // skip whitespace - while ( isspace(*pEnd) ) + while ( wxIsspace(*pEnd) ) pEnd++; - if ( *pEnd++ != '=' ) { - wxLogError("file '%s', line %d: '=' expected.", file.GetName(), n + 1); + if ( *pEnd++ != wxT('=') ) { + wxLogError(_("file '%s', line %d: '=' expected."), + buffer.GetName(), n + 1); } else { - ConfigEntry *pEntry = m_pCurrentGroup->FindEntry(strKey); + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(strKey); if ( pEntry == NULL ) { // new entry pEntry = m_pCurrentGroup->AddEntry(strKey, n); - - if ( bLocal ) - pEntry->SetLine(m_linesTail); } else { if ( bLocal && pEntry->IsImmutable() ) { // immutable keys can't be changed by user - wxLogWarning("file '%s', line %d: value for immutable key '%s' ignored.", - file.GetName(), n + 1, strKey.c_str()); + wxLogWarning(_("file '%s', line %d: value for immutable key '%s' ignored."), + buffer.GetName(), n + 1, strKey.c_str()); continue; } // the condition below catches the cases (a) and (b) but not (c): @@ -284,24 +709,24 @@ void wxFileConfig::Parse(wxTextFile& file, bool bLocal) // (c) key from global file now found in local one // which is exactly what we want. else if ( !bLocal || pEntry->IsLocal() ) { - wxLogWarning("file '%s', line %d: key '%s' was first found at line %d.", - file.GetName(), n + 1, strKey.c_str(), pEntry->Line()); + wxLogWarning(_("file '%s', line %d: key '%s' was first found at line %d."), + buffer.GetName(), n + 1, strKey.c_str(), pEntry->Line()); - if ( bLocal ) - pEntry->SetLine(m_linesTail); } } + if ( bLocal ) + pEntry->SetLine(m_linesTail); + // skip whitespace - while ( isspace(*pEnd) ) + while ( wxIsspace(*pEnd) ) pEnd++; - wxString strValue; - if (m_bExpandEnvVars) - strValue = ExpandEnvVars(FilterIn(pEnd)); - else - strValue = FilterIn(pEnd); - pEntry->SetValue(strValue, FALSE); + wxString value = pEnd; + if ( !(GetStyle() & wxCONFIG_USE_NO_ESCAPE_CHARACTERS) ) + value = FilterInValue(value); + + pEntry->SetValue(value, false); } } } @@ -313,255 +738,573 @@ void wxFileConfig::Parse(wxTextFile& file, 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() ) - return; + if ( strPath.empty() ) { + SetRootPath(); + return true; + } - if ( strPath[0] == APPCONF_PATH_SEPARATOR ) { - // absolute path - SplitPath(aParts, strPath); - } - else { - // relative path, combine with current one - wxString strFullPath = m_strPath; - strFullPath << APPCONF_PATH_SEPARATOR << strPath; - SplitPath(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 - uint n; - m_pCurrentGroup = m_pRootGroup; - for ( n = 0; n < aParts.Count(); n++ ) { - ConfigGroup *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.Count(); n++ ) { + wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]); + if ( pNextGroup == NULL ) + { + if ( !createMissingComponents ) + return false; + + pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]); + } - // recombine path parts in one variable - m_strPath.Empty(); - for ( n = 0; n < aParts.Count(); n++ ) { - m_strPath << APPCONF_PATH_SEPARATOR << aParts[n]; - } + m_pCurrentGroup = pNextGroup; + } + + // recombine path parts in one variable + m_strPath.Empty(); + for ( n = 0; n < aParts.Count(); n++ ) { + m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n]; + } + + return true; +} + +void wxFileConfig::SetPath(const wxString& strPath) +{ + DoSetPath(strPath, true /* create missing path components */); } // ---------------------------------------------------------------------------- // enumeration // ---------------------------------------------------------------------------- -bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) +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) +bool wxFileConfig::GetNextGroup (wxString& str, long& lIndex) const { - if ( uint(lIndex) < m_pCurrentGroup->Groups().Count() ) { - str = m_pCurrentGroup->Groups()[lIndex++]->Name(); - return TRUE; - } - else - return FALSE; + if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) { + str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name(); + return true; + } + else + return false; } -bool wxFileConfig::GetFirstEntry(wxString& str, long& lIndex) +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) +bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const { - if ( uint(lIndex) < m_pCurrentGroup->Entries().Count() ) { - str = m_pCurrentGroup->Entries()[lIndex++]->Name(); - return TRUE; - } - else - return FALSE; + if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) { + 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; + } + } + + 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; + } + } + + return n; } // ---------------------------------------------------------------------------- -// read/write values +// tests for existence // ---------------------------------------------------------------------------- -const char *wxFileConfig::Read(const char *szKey, - const char *szDefault) const +bool wxFileConfig::HasGroup(const wxString& strName) const { - PathChanger path(this, szKey); + // 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(); - ConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - return pEntry == NULL ? szDefault : pEntry->Value().c_str(); + wxFileConfig *self = wx_const_cast(wxFileConfig *, this); + const bool + rc = self->DoSetPath(strName, false /* don't create missing components */); + + self->SetPath(pathOld); + + return rc; } -bool wxFileConfig::Read(wxString *pstr, - const char *szKey, - const char *szDefault) const +bool wxFileConfig::HasEntry(const wxString& strName) const { - PathChanger path(this, szKey); + wxConfigPathChanger path(this, strName); - ConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - if (pEntry == NULL) { - *pstr = szDefault; - return FALSE; - } - else { - *pstr = pEntry->Value(); - return TRUE; - } + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); + return pEntry != NULL; } -bool wxFileConfig::Read(long *pl, const char *szKey, long lDefault) const +// ---------------------------------------------------------------------------- +// read/write values +// ---------------------------------------------------------------------------- + +bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const { - wxString str; - if ( Read(&str, szKey) ) { - *pl = atol(str); - return TRUE; - } - else { - *pl = lDefault; - return FALSE; - } + wxConfigPathChanger path(this, key); + + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); + if (pEntry == NULL) { + return false; + } + + *pStr = pEntry->Value(); + + return true; } -bool wxFileConfig::Write(const char *szKey, const char *szValue) +bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const { - PathChanger path(this, szKey); + wxString str; + if ( !Read(key, &str) ) + return false; - ConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - if ( pEntry == NULL ) - pEntry = m_pCurrentGroup->AddEntry(path.Name()); - pEntry->SetValue(szValue); + // extra spaces shouldn't prevent us from reading numeric values + str.Trim(); - return TRUE; + return str.ToLong(pl); } -bool wxFileConfig::Write(const char *szKey, long lValue) +bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue) { - // ltoa() is not ANSI :-( - char szBuf[40]; // should be good for sizeof(long) <= 16 (128 bits) - sprintf(szBuf, "%ld", lValue); - return Write(szKey, szBuf); + wxConfigPathChanger path(this, key); + wxString strName = path.Name(); + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Writing String '%s' = '%s' to Group '%s'"), + strName.c_str(), + szValue.c_str(), + GetPath().c_str() ); + + if ( strName.empty() ) + { + // setting the value of a group is an error + + 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, + _T(" Creating group %s"), + m_pCurrentGroup->Name().c_str() ); + + SetDirty(); + + // 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; + } + + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(strName); + + if ( pEntry == 0 ) + { + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Adding Entry %s"), + strName.c_str() ); + pEntry = m_pCurrentGroup->AddEntry(strName); + } + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Setting value %s"), + szValue.c_str() ); + pEntry->SetValue(szValue); + + SetDirty(); + } + + return true; +} + +bool wxFileConfig::DoWriteLong(const wxString& key, long lValue) +{ + return Write(key, wxString::Format(_T("%ld"), lValue)); } bool wxFileConfig::Flush(bool /* bCurrentOnly */) { - if ( LineListIsEmpty() || !m_pRootGroup->IsDirty() ) - return TRUE; + if ( !IsDirty() || !m_strLocalFile ) + return true; + + // set the umask if needed + wxCHANGE_UMASK(m_umask); wxTempFile file(m_strLocalFile); - if ( !file.IsOpened() ) { - wxLogError("Can't open user configuration file."); - return FALSE; + if ( !file.IsOpened() ) + { + wxLogError(_("can't open user configuration file.")); + return false; } // write all strings to file - for ( LineList *p = m_linesHead; p != NULL; p = p->Next() ) { - if ( !file.Write(p->Text() + wxTextFile::GetEOL()) ) { - wxLogError("Can't write user configuration file."); - return FALSE; + for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() ) + { + wxString line = p->Text(); + line += wxTextFile::GetEOL(); + if ( !file.Write(line, m_conv) ) + { + wxLogError(_("can't write user configuration file.")); + return false; } } - return file.Commit(); + if ( !file.Commit() ) + { + wxLogError(_("Failed to update user configuration file.")); + + return false; + } + + ResetDirty(); + +#if defined(__WXMAC__) + wxFileName(m_strLocalFile).MacSetTypeAndCreator('TEXT', 'ttxt'); +#endif // __WXMAC__ + + return true; +} + +#if wxUSE_STREAMS + +bool wxFileConfig::Save(wxOutputStream& os, 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 +// ---------------------------------------------------------------------------- + +bool wxFileConfig::RenameEntry(const wxString& oldName, + const wxString& newName) +{ + wxASSERT_MSG( !wxStrchr(oldName, wxCONFIG_PATH_SEPARATOR), + _T("RenameEntry(): paths are not supported") ); + + // check that the entry exists + wxFileConfigEntry *oldEntry = m_pCurrentGroup->FindEntry(oldName); + if ( !oldEntry ) + return false; + + // check that the new entry doesn't already exist + if ( m_pCurrentGroup->FindEntry(newName) ) + return false; + + // delete the old entry, create the new one + wxString value = oldEntry->Value(); + if ( !m_pCurrentGroup->DeleteEntry(oldName) ) + return false; + + SetDirty(); + + wxFileConfigEntry *newEntry = m_pCurrentGroup->AddEntry(newName); + newEntry->SetValue(value); + + return true; +} + +bool wxFileConfig::RenameGroup(const wxString& oldName, + const wxString& newName) +{ + // check that the group exists + wxFileConfigGroup *group = m_pCurrentGroup->FindSubgroup(oldName); + if ( !group ) + return false; + + // check that the new group doesn't already exist + if ( m_pCurrentGroup->FindSubgroup(newName) ) + return false; + + group->Rename(newName); + + SetDirty(); + + return true; } // ---------------------------------------------------------------------------- // delete groups/entries // ---------------------------------------------------------------------------- -bool wxFileConfig::DeleteEntry(const char *szKey, bool bGroupIfEmptyAlso) +bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso) { - PathChanger path(this, szKey); + 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 ) { - ConfigGroup *pGroup = m_pCurrentGroup; - SetPath(".."); // changes m_pCurrentGroup! - m_pCurrentGroup->DeleteSubgroup(pGroup->Name()); + wxFileConfigGroup *pGroup = m_pCurrentGroup; + SetPath(wxT("..")); // changes m_pCurrentGroup! + m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name()); } //else: never delete the root group } - return TRUE; + return true; } -bool wxFileConfig::DeleteGroup(const char *szKey) +bool wxFileConfig::DeleteGroup(const wxString& key) { - PathChanger path(this, szKey); + wxConfigPathChanger path(this, key); + + if ( !m_pCurrentGroup->DeleteSubgroupByName(path.Name()) ) + return false; - return m_pCurrentGroup->DeleteSubgroup(path.Name()); + SetDirty(); + + return true; } bool wxFileConfig::DeleteAll() { - const char *szFile = m_strLocalFile; - delete m_pRootGroup; - Init(); + CleanUp(); + + if ( !m_strLocalFile.empty() ) + { + if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 ) + { + wxLogSysError(_("can't delete user configuration file '%s'"), + m_strLocalFile.c_str()); + return false; + } - if ( remove(szFile) == -1 ) - wxLogSysError("Can't delete user configuration file '%s'", szFile); + m_strLocalFile = + m_strGlobalFile = wxEmptyString; + } - szFile = m_strGlobalFile; - if ( remove(szFile) ) - wxLogSysError("Can't delete system configuration file '%s'", szFile); + Init(); - return TRUE; + return true; } // ---------------------------------------------------------------------------- // linked list functions // ---------------------------------------------------------------------------- -// append a new line to the end of the list -wxFileConfig::LineList *wxFileConfig::LineListAppend(const wxString& str) + // append a new line to the end of the list + +wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str) { - LineList *pLine = new LineList(str); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" ** Adding Line '%s'"), + str.c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? 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); - } + m_linesTail = pLine; + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); + + 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) +{ + wxLogTrace( FILECONF_TRACE_MASK, + _T(" ** Inserting Line '%s' after '%s'"), + str.c_str(), + ((pLine) ? pLine->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? 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); + } + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); - m_linesTail = pLine; - return m_linesTail; + return pNewLine; } -// insert a new line after the given one -wxFileConfig::LineList *wxFileConfig::LineListInsert(const wxString& str, - LineList *pLine) +void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine) { - if ( pLine == NULL ) - return LineListAppend(str); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" ** Removing Line '%s'"), + pLine->Text().c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? 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? - LineList *pNewLine = new LineList(str, pLine->Next()); - pLine->SetNext(pNewLine); + if ( pNext == NULL ) + m_linesTail = pPrev; + else + pNext->SetPrev(pPrev); - return pNewLine; + if ( m_pRootGroup->GetGroupLine() == pLine ) + m_pRootGroup->SetLine(m_linesHead); + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" head: %s"), + ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" tail: %s"), + ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); + + delete pLine; } bool wxFileConfig::LineListIsEmpty() { - return m_linesHead == NULL; + return m_linesHead == NULL; } // ============================================================================ -// wxFileConfig::ConfigGroup +// wxFileConfig::wxFileConfigGroup // ============================================================================ // ---------------------------------------------------------------------------- @@ -569,25 +1312,26 @@ bool wxFileConfig::LineListIsEmpty() // ---------------------------------------------------------------------------- // ctor -wxFileConfig::ConfigGroup::ConfigGroup(wxFileConfig::ConfigGroup *pParent, +wxFileConfigGroup::wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *pConfig) - : m_strName(strName) + : m_aEntries(CompareEntries), + m_aSubgroups(CompareGroups), + m_strName(strName) { m_pConfig = pConfig; m_pParent = pParent; m_pLine = NULL; - m_bDirty = FALSE; - m_nLastEntry = - m_nLastGroup = NOT_FOUND; + m_pLastEntry = NULL; + m_pLastGroup = NULL; } // dtor deletes all children -wxFileConfig::ConfigGroup::~ConfigGroup() +wxFileConfigGroup::~wxFileConfigGroup() { // entries - uint n, nCount = m_aEntries.Count(); + size_t n, nCount = m_aEntries.Count(); for ( n = 0; n < nCount; n++ ) delete m_aEntries[n]; @@ -601,98 +1345,246 @@ wxFileConfig::ConfigGroup::~ConfigGroup() // line // ---------------------------------------------------------------------------- -void wxFileConfig::ConfigGroup::SetLine(LineList *pLine) +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, + _T("changing line for a non-root group?") ); - m_pLine = pLine; + m_pLine = pLine; } -// return the line which contains "[our name]" -wxFileConfig::LineList *wxFileConfig::ConfigGroup::GetGroupLine() +/* + This is a bit complicated, so let me explain it in details. All lines that + were read from the local file (the only one we will ever modify) are stored + in a (doubly) linked list. Our problem is to know at which position in this + list should we insert the new entries/subgroups. To solve it we keep three + variables for each group: m_pLine, m_pLastEntry and m_pLastGroup. + + m_pLine points to the line containing "[group_name]" + m_pLastEntry points to the last entry of this group in the local file. + m_pLastGroup subgroup + + Initially, they're NULL all three. When the group (an entry/subgroup) is read + from the local file, the corresponding variable is set. However, if the group + was read from the global file and then modified or created by the application + these variables are still NULL and we need to create the corresponding lines. + See the following functions (and comments preceding them) for the details of + how we do it. + + Also, when our last entry/group are deleted we need to find the new last + element - the code in DeleteEntry/Subgroup does this by backtracking the list + of lines until it either founds an entry/subgroup (and this is the new last + element) or the m_pLine of the group, in which case there are no more entries + (or subgroups) left and m_pLast becomes NULL. + + NB: This last problem could be avoided for entries if we added new entries + immediately after m_pLine, but in this case the entries would appear + backwards in the config file (OTOH, it's not that important) and as we + would still need to do it for the subgroups the code wouldn't have been + significantly less complicated. +*/ + +// Return the line which contains "[our name]". If we're still not in the list, +// add our line to it immediately after the last line of our parent group if we +// have it or in the very beginning if we're the root group. +wxFileConfigLineList *wxFileConfigGroup::GetGroupLine() { - if ( m_pLine == NULL ) { - // this group wasn't present in local config file, add it now - if ( Parent() != NULL ) { - wxString strFullName; - strFullName << "[" << GetFullName().c_str() + 1 << "]"; // +1: no '/' - m_pLine = m_pConfig->LineListInsert(strFullName, - Parent()->GetLastGroupLine()); - } - else { - // we're the root group, yet we were not in the local file => there were - // only comments and blank lines in config file or nothing at all - // we return NULL, so that LineListInsert() will do Append() + wxLogTrace( FILECONF_TRACE_MASK, + _T(" GetGroupLine() for Group '%s'"), + Name().c_str() ); + + if ( !m_pLine ) + { + wxLogTrace( FILECONF_TRACE_MASK, + _T(" 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, + _T(" 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 we can add a new subgroup) -wxFileConfig::LineList *wxFileConfig::ConfigGroup::GetLastGroupLine() +// Return the last line belonging to the subgroups of this group (after which +// we can add a new subgroup), if we don't have any subgroups or entries our +// 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_nLastGroup != NOT_FOUND ) { - return m_aSubgroups[m_nLastGroup]->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(); - // if we have any entries, our last line is the last entry - if ( m_nLastEntry != NOT_FOUND ) { - return m_aEntries[m_nLastEntry]->GetLine(); - } + wxASSERT_MSG( pLine, _T("last group must have !NULL associated line") ); - // nothing at all: last line is the first one - return GetGroupLine(); + return pLine; + } + + // 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 we can add a new entry) -wxFileConfig::LineList *wxFileConfig::ConfigGroup::GetLastEntryLine() +// return the last line belonging to the entries of this group (after which +// we can add a new entry), if we don't have any entries we will add the new +// one immediately after the group line itself. +wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine() { - if ( m_nLastEntry != NOT_FOUND ) - return m_aEntries[m_nLastEntry]->GetLine(); - else + wxLogTrace( FILECONF_TRACE_MASK, + _T(" GetLastEntryLine() for Group '%s'"), + Name().c_str() ); + + if ( m_pLastEntry ) + { + wxFileConfigLineList *pLine = m_pLastEntry->GetLine(); + + wxASSERT_MSG( pLine, _T("last entry must have !NULL associated line") ); + + 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, _T("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 // ---------------------------------------------------------------------------- -wxString wxFileConfig::ConfigGroup::GetFullName() const +void wxFileConfigGroup::UpdateGroupAndSubgroupsLines() +{ + // update the line of this group + wxFileConfigLineList *line = GetGroupLine(); + wxCHECK_RET( line, _T("a non root group must have a corresponding line!") ); + + // +1: skip the leading '/' + line->SetText(wxString::Format(_T("[%s]"), GetFullName().c_str() + 1)); + + + // also update all subgroups as they have this groups name in their lines + const size_t nCount = m_aSubgroups.Count(); + for ( size_t n = 0; n < nCount; n++ ) + { + m_aSubgroups[n]->UpdateGroupAndSubgroupsLines(); + } +} + +void wxFileConfigGroup::Rename(const wxString& newName) +{ + wxCHECK_RET( m_pParent, _T("the root group can't be renamed") ); + + m_strName = newName; + + // update the group lines recursively + UpdateGroupAndSubgroupsLines(); +} + +wxString wxFileConfigGroup::GetFullName() const { - if ( Parent() ) - return Parent()->GetFullName() + APPCONF_PATH_SEPARATOR + Name(); - else - return ""; + wxString fullname; + if ( Parent() ) + fullname = Parent()->GetFullName() + wxCONFIG_PATH_SEPARATOR + Name(); + + return fullname; } // ---------------------------------------------------------------------------- // find an item // ---------------------------------------------------------------------------- -wxFileConfig::ConfigEntry * -wxFileConfig::ConfigGroup::FindEntry(const char *szName) const +// use binary search because the array is sorted +wxFileConfigEntry * +wxFileConfigGroup::FindEntry(const wxChar *szName) const { - uint nCount = m_aEntries.Count(); - for ( uint n = 0; n < nCount; n++ ) { - if ( m_aEntries[n]->Name().IsSameAs(szName, APPCONF_CASE_SENSITIVE) ) - return m_aEntries[n]; + size_t i, + lo = 0, + hi = m_aEntries.Count(); + int res; + wxFileConfigEntry *pEntry; + + while ( lo < hi ) { + i = (lo + hi)/2; + pEntry = m_aEntries[i]; + + #if wxCONFIG_CASE_SENSITIVE + res = wxStrcmp(pEntry->Name(), szName); + #else + res = wxStricmp(pEntry->Name(), szName); + #endif + + if ( res > 0 ) + hi = i; + else if ( res < 0 ) + lo = i + 1; + else + return pEntry; } return NULL; } -wxFileConfig::ConfigGroup * -wxFileConfig::ConfigGroup::FindSubgroup(const char *szName) const +wxFileConfigGroup * +wxFileConfigGroup::FindSubgroup(const wxChar *szName) const { - uint nCount = m_aSubgroups.Count(); - for ( uint n = 0; n < nCount; n++ ) { - if ( m_aSubgroups[n]->Name().IsSameAs(szName, APPCONF_CASE_SENSITIVE) ) - return m_aSubgroups[n]; + size_t i, + lo = 0, + hi = m_aSubgroups.Count(); + int res; + wxFileConfigGroup *pGroup; + + while ( lo < hi ) { + i = (lo + hi)/2; + pGroup = m_aSubgroups[i]; + + #if wxCONFIG_CASE_SENSITIVE + res = wxStrcmp(pGroup->Name(), szName); + #else + res = wxStricmp(pGroup->Name(), szName); + #endif + + if ( res > 0 ) + hi = i; + else if ( res < 0 ) + lo = i + 1; + else + return pGroup; } return NULL; @@ -703,94 +1595,226 @@ wxFileConfig::ConfigGroup::FindSubgroup(const char *szName) const // ---------------------------------------------------------------------------- // create a new entry and add it to the current group -wxFileConfig::ConfigEntry * -wxFileConfig::ConfigGroup::AddEntry(const wxString& strName, int nLine) +wxFileConfigEntry *wxFileConfigGroup::AddEntry(const wxString& strName, int nLine) { - wxASSERT( FindEntry(strName) == NULL ); + wxASSERT( FindEntry(strName) == 0 ); - ConfigEntry *pEntry = new ConfigEntry(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 -wxFileConfig::ConfigGroup * -wxFileConfig::ConfigGroup::AddSubgroup(const wxString& strName) +wxFileConfigGroup *wxFileConfigGroup::AddSubgroup(const wxString& strName) { - wxASSERT( FindSubgroup(strName) == NULL ); + wxASSERT( FindSubgroup(strName) == 0 ); - ConfigGroup *pGroup = new ConfigGroup(this, strName, m_pConfig); - m_aSubgroups.Add(pGroup); + wxFileConfigGroup *pGroup = new wxFileConfigGroup(this, strName, m_pConfig); - return pGroup; + m_aSubgroups.Add(pGroup); + return pGroup; } // ---------------------------------------------------------------------------- // delete an item // ---------------------------------------------------------------------------- -bool wxFileConfig::ConfigGroup::DeleteSubgroup(const char *szName) -{ - uint n, nCount = m_aSubgroups.Count(); - for ( n = 0; n < nCount; n++ ) { - if ( m_aSubgroups[n]->Name().IsSameAs(szName, APPCONF_CASE_SENSITIVE) ) - break; - } +/* + The delete operations are _very_ slow if we delete the last item of this + group (see comments before GetXXXLineXXX functions for more details), + so it's much better to start with the first entry/group if we want to + delete several of them. + */ - if ( n == nCount ) - return FALSE; +bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName) +{ + wxFileConfigGroup * const pGroup = FindSubgroup(szName); - delete m_aSubgroups[n]; - m_aSubgroups.Remove(n); - return TRUE; + return pGroup ? DeleteSubgroup(pGroup) : false; } -bool wxFileConfig::ConfigGroup::DeleteEntry(const char *szName) +// Delete the subgroup and remove all references to it from +// other data structures. +bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup) { - uint n, nCount = m_aEntries.Count(); - for ( n = 0; n < nCount; n++ ) { - if ( m_aEntries[n]->Name().IsSameAs(szName, APPCONF_CASE_SENSITIVE) ) - break; - } + wxCHECK_MSG( pGroup, false, _T("deleting non existing group?") ); + + wxLogTrace( FILECONF_TRACE_MASK, + _T("Deleting group '%s' from '%s'"), + pGroup->Name().c_str(), + Name().c_str() ); + + wxLogTrace( FILECONF_TRACE_MASK, + _T(" (m_pLine) = prev: %p, this %p, next %p"), + ((m_pLine) ? m_pLine->Prev() : 0), + m_pLine, + ((m_pLine) ? m_pLine->Next() : 0) ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" text: '%s'"), + ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) ); + + // delete all entries... + size_t nCount = pGroup->m_aEntries.Count(); + + wxLogTrace(FILECONF_TRACE_MASK, + _T("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, + _T(" '%s'"), + pLine->Text().c_str() ); + m_pConfig->LineListRemove(pLine); + } + } - if ( n == nCount ) - return FALSE; + // ...and subgroups of this subgroup + nCount = pGroup->m_aSubgroups.Count(); + + wxLogTrace( FILECONF_TRACE_MASK, + _T("Removing %lu subgroups"), (unsigned long)nCount ); + + for ( size_t nGroup = 0; nGroup < nCount; nGroup++ ) + { + pGroup->DeleteSubgroup(pGroup->m_aSubgroups[0]); + } + + // and then finally the group itself + wxFileConfigLineList *pLine = pGroup->m_pLine; + if ( pLine ) + { + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Removing line for group '%s' : '%s'"), + pGroup->Name().c_str(), + pLine->Text().c_str() ); + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Removing from group '%s' : '%s'"), + Name().c_str(), + ((m_pLine) ? 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, + _T(" 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.Count(); + + m_pLastGroup = NULL; + for ( wxFileConfigLineList *pl = pLine->Prev(); + pl && pl != m_pLine && !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; + } + } + } + } + + m_pConfig->LineListRemove(pLine); + } + else + { + wxLogTrace( FILECONF_TRACE_MASK, + _T(" No line entry for Group '%s'?"), + pGroup->Name().c_str() ); + } - delete m_aEntries[n]; - m_aEntries.Remove(n); - return TRUE; + m_aSubgroups.Remove(pGroup); + delete pGroup; + + return true; } -// ---------------------------------------------------------------------------- -// -// ---------------------------------------------------------------------------- -void wxFileConfig::ConfigGroup::SetDirty() +bool wxFileConfigGroup::DeleteEntry(const wxChar *szName) { - m_bDirty = TRUE; - if ( Parent() != NULL ) // propagate upwards - Parent()->SetDirty(); + wxFileConfigEntry *pEntry = FindEntry(szName); + if ( !pEntry ) + { + // entry doesn't exist, nothing to do + return false; + } + + wxFileConfigLineList *pLine = pEntry->GetLine(); + if ( pLine != NULL ) { + // notice that we may do this test inside the previous "if" because the + // last entry's line is surely !NULL + if ( pEntry == m_pLastEntry ) { + // 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 + 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? + break; + } + + if ( pl == m_pLine ) { + wxASSERT( !pNewLast ); // how comes it has the same line as we? + + // we've reached the group line without finding any subgroups + m_pLastEntry = NULL; + } + else + m_pLastEntry = pNewLast; + } + + m_pConfig->LineListRemove(pLine); + } + + m_aEntries.Remove(pEntry); + delete pEntry; + + return true; } // ============================================================================ -// wxFileConfig::ConfigEntry +// wxFileConfig::wxFileConfigEntry // ============================================================================ // ---------------------------------------------------------------------------- // ctor // ---------------------------------------------------------------------------- -wxFileConfig::ConfigEntry::ConfigEntry(wxFileConfig::ConfigGroup *pParent, +wxFileConfigEntry::wxFileConfigEntry(wxFileConfigGroup *pParent, const wxString& strName, int nLine) : m_strName(strName) { + wxASSERT( !strName.empty() ); + m_pParent = pParent; m_nLine = nLine; m_pLine = NULL; - m_bDirty = FALSE; + m_bHasValue = false; - m_bImmutable = strName[0] == APPCONF_IMMUTABLE_PREFIX; + m_bImmutable = strName[0] == wxCONFIG_IMMUTABLE_PREFIX; if ( m_bImmutable ) m_strName.erase(0, 1); // remove first character } @@ -799,94 +1823,139 @@ wxFileConfig::ConfigEntry::ConfigEntry(wxFileConfig::ConfigGroup *pParent, // set value // ---------------------------------------------------------------------------- -void wxFileConfig::ConfigEntry::SetLine(LineList *pLine) +void wxFileConfigEntry::SetLine(wxFileConfigLineList *pLine) { if ( m_pLine != NULL ) { - wxLogWarning("Entry '%s' appears more than once in group '%s'", + wxLogWarning(_("entry '%s' appears more than once in group '%s'"), Name().c_str(), m_pParent->GetFullName().c_str()); } m_pLine = 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 wxFileConfig::ConfigEntry::SetValue(const wxString& strValue, bool bUser) +void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser) { - if ( bUser && IsImmutable() ) { - wxLogWarning("Attempt to change immutable key '%s' ignored.", - Name().c_str()); - return; - } + if ( bUser && IsImmutable() ) + { + wxLogWarning( _("attempt to change immutable key '%s' ignored."), + Name().c_str()); + return; + } - // do nothing if it's the same value - if ( strValue == m_strValue ) - 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; - m_strValue = strValue; + m_bHasValue = true; + m_strValue = strValue; - if ( bUser ) { - wxString strVal = FilterOut(strValue); - wxString strLine; - strLine << m_strName << " = " << strVal; + if ( bUser ) + { + wxString strValFiltered; - 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 == NOT_FOUND ); // consistency check + if ( Group()->Config()->GetStyle() & wxCONFIG_USE_NO_ESCAPE_CHARACTERS ) + { + strValFiltered = strValue; + } + else { + strValFiltered = FilterOutValue(strValue); + } + + wxString strLine; + strLine << FilterOutEntryName(m_strName) << wxT('=') << strValFiltered; - Group()->Config()->LineListInsert(strLine, Group()->GetLastEntryLine()); + 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); + } } +} - SetDirty(); - } +// ============================================================================ +// global functions +// ============================================================================ + +// ---------------------------------------------------------------------------- +// compare functions for array sorting +// ---------------------------------------------------------------------------- + +int CompareEntries(wxFileConfigEntry *p1, wxFileConfigEntry *p2) +{ + #if wxCONFIG_CASE_SENSITIVE + return wxStrcmp(p1->Name(), p2->Name()); + #else + return wxStricmp(p1->Name(), p2->Name()); + #endif } -void wxFileConfig::ConfigEntry::SetDirty() +int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2) { - m_bDirty = TRUE; - Group()->SetDirty(); + #if wxCONFIG_CASE_SENSITIVE + return wxStrcmp(p1->Name(), p2->Name()); + #else + return wxStricmp(p1->Name(), p2->Name()); + #endif } -// ============================================================================ -// global functions -// ============================================================================ +// ---------------------------------------------------------------------------- +// filter functions +// ---------------------------------------------------------------------------- -// undo FilterOut -wxString FilterIn(const wxString& str) +// undo FilterOutValue +static wxString FilterInValue(const wxString& str) { wxString strResult; + strResult.Alloc(str.Len()); - bool bQuoted = !str.IsEmpty() && str[0] == '"'; + bool bQuoted = !str.empty() && str[0] == '"'; - for ( uint n = bQuoted ? 1 : 0; n < str.Len(); n++ ) { - if ( str[n] == '\\' ) { + for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) { + if ( str[n] == wxT('\\') ) { switch ( str[++n] ) { - case 'n': - strResult += '\n'; + case wxT('n'): + strResult += wxT('\n'); break; - case 't': - strResult += '\t'; + case wxT('r'): + strResult += wxT('\r'); break; - case '\\': - strResult += '\\'; + case wxT('t'): + strResult += wxT('\t'); break; - case '"': - strResult += '"'; + case wxT('\\'): + strResult += wxT('\\'); + break; + + case wxT('"'): + strResult += wxT('"'); break; } } else { - if ( str[n] != '"' || !bQuoted ) + 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 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 } } @@ -895,34 +1964,44 @@ wxString FilterIn(const wxString& str) } // quote the string before writing it to file -wxString FilterOut(const wxString& str) +static wxString FilterOutValue(const wxString& str) { + if ( !str ) + return str; + wxString strResult; + strResult.Alloc(str.Len()); // quoting is necessary to preserve spaces in the beginning of the string - bool bQuote = isspace(str[0]) || str[0] == '"'; + bool bQuote = wxIsspace(str[0]) || str[0] == wxT('"'); if ( bQuote ) - strResult += '"'; + strResult += wxT('"'); - char c; - for ( uint n = 0; n < str.Len(); n++ ) { + wxChar c; + for ( size_t n = 0; n < str.Len(); n++ ) { switch ( str[n] ) { - case '\n': - c = 'n'; + case wxT('\n'): + c = wxT('n'); + break; + + case wxT('\r'): + c = wxT('r'); break; - case '\t': - c = 't'; + case wxT('\t'): + c = wxT('t'); break; - case '\\': - c = '\\'; + case wxT('\\'): + c = wxT('\\'); break; - case '"': - if ( bQuote ) - c = '"'; + case wxT('"'): + if ( bQuote ) { + c = wxT('"'); + break; + } //else: fall through default: @@ -931,11 +2010,69 @@ wxString FilterOut(const wxString& str) } // we get here only for special characters - strResult << '\\' << c; + strResult << wxT('\\') << c; } if ( bQuote ) - strResult += '"'; + strResult += wxT('"'); return strResult; } + +// undo FilterOutEntryName +static wxString FilterInEntryName(const wxString& str) +{ + wxString strResult; + strResult.Alloc(str.Len()); + + for ( const wxChar *pc = str.c_str(); *pc != '\0'; pc++ ) { + if ( *pc == wxT('\\') ) + pc++; + + strResult += *pc; + } + + return strResult; +} + +// sanitize entry or group name: insert '\\' before any special characters +static wxString FilterOutEntryName(const wxString& str) +{ + wxString strResult; + strResult.Alloc(str.Len()); + + for ( const wxChar *pc = str.c_str(); *pc != wxT('\0'); pc++ ) { + const wxChar c = *pc; + + // we explicitly allow some of "safe" chars and 8bit ASCII characters + // 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 ( +#if !wxUSE_UNICODE + ((unsigned char)c < 127) && +#endif // ANSI + !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%"), c) ) + { + strResult += wxT('\\'); + } + + strResult += c; + } + + return strResult; +} + +// we can't put ?: in the ctor initializer list because it confuses some +// broken compilers (Borland C++) +static wxString GetAppName(const wxString& appName) +{ + if ( !appName && wxTheApp ) + return wxTheApp->GetAppName(); + else + return appName; +} + +#endif // wxUSE_CONFIG