X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/608299859db6a162b7346b39235f8bf95da90acf..bd1a4a99fc1bec4ac5d0b14379dc5345d6ce3253:/src/common/fileconf.cpp diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp index 442fb4fc15..70676fa8ed 100644 --- a/src/common/fileconf.cpp +++ b/src/common/fileconf.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: fileconf.cpp +// Name: src/common/fileconf.cpp // Purpose: implementation of wxFileConfig derivation of wxConfig // Author: Vadim Zeitlin // Modified by: @@ -10,10 +10,6 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "fileconf.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -49,6 +45,7 @@ #if defined(__WXMAC__) #include "wx/mac/private.h" // includes mac headers + #include "wx/filename.h" // for MacSetTypeAndCreator #endif #if defined(__WXMSW__) @@ -75,6 +72,8 @@ #define MAX_PATH 512 #endif +#define FILECONF_TRACE_MASK _T("fileconf") + // ---------------------------------------------------------------------------- // global functions declarations // ---------------------------------------------------------------------------- @@ -154,8 +153,7 @@ 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 overriden locally? m_bHasValue:1; // set after first call to SetValue() int m_nLine; // used if m_pLine == NULL only @@ -172,7 +170,6 @@ 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; } @@ -181,7 +178,6 @@ public: // modify entry attributes void SetValue(const wxString& strValue, bool bUser = true); - void SetDirty(); void SetLine(wxFileConfigLineList *pLine); DECLARE_NO_COPY_CLASS(wxFileConfigEntry) @@ -199,7 +195,6 @@ 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) @@ -207,6 +202,9 @@ private: // DeleteSubgroupByName helper bool DeleteSubgroup(wxFileConfigGroup *pGroup); + // used by Rename() + void UpdateGroupAndSubgroupsLines(); + public: // ctor wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *); @@ -218,7 +216,6 @@ 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; } @@ -236,8 +233,6 @@ public: 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! @@ -276,7 +271,7 @@ wxString wxFileConfig::GetGlobalDir() strDir = wxMacFindFolder( (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ; #elif defined( __UNIX__ ) strDir = wxT("/etc/"); -#elif defined(__WXPM__) +#elif defined(__OS2__) ULONG aulSysInfo[QSV_MAX] = {0}; UINT drive; APIRET rc; @@ -292,8 +287,11 @@ wxString wxFileConfig::GetGlobalDir() #elif defined(__DOS__) // There's no such thing as global cfg dir in MS-DOS, let's return // current directory (FIXME_MGL?) - return wxT(".\\"); + strDir = wxT(".\\"); +#elif defined(__WXWINCE__) + strDir = wxT("\\Windows\\"); #else // Windows + wxChar szWinDir[MAX_PATH]; ::GetWindowsDirectory(szWinDir, MAX_PATH); @@ -310,18 +308,22 @@ wxString wxFileConfig::GetLocalDir() #if defined(__WXMAC__) || defined(__DOS__) // no local dir concept on Mac OS 9 or MS-DOS - return GetGlobalDir() ; + strDir << 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 + #ifdef __UNIX__ + if ( + (strDir.Last() != wxT('/')) + #ifdef __VMS + && (strDir.Last() != wxT(']')) + #endif + ) + strDir << wxT('/'); + #else + if (strDir.Last() != wxT('\\')) + strDir << wxT('\\'); + #endif #endif return strDir; @@ -380,7 +382,7 @@ wxString wxFileConfig::GetLocalFileName(const wxChar *szFile) void wxFileConfig::Init() { m_pCurrentGroup = - m_pRootGroup = new wxFileConfigGroup(NULL, wxT(""), this); + m_pRootGroup = new wxFileConfigGroup(NULL, wxEmptyString, this); m_linesHead = m_linesTail = NULL; @@ -388,7 +390,7 @@ void wxFileConfig::Init() // 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) ) + if ( !m_strGlobalFile.empty() && wxFile::Exists(m_strGlobalFile) ) { wxTextFile fileGlobal(m_strGlobalFile); @@ -404,7 +406,7 @@ void wxFileConfig::Init() } // parse the local file - if ( !m_strLocalFile.IsEmpty() && wxFile::Exists(m_strLocalFile) ) + if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) ) { wxTextFile fileLocal(m_strLocalFile); if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) ) @@ -417,6 +419,8 @@ void wxFileConfig::Init() wxLogWarning(_("can't open user configuration file '%s'."), m_strLocalFile.c_str() ); } } + + m_isDirty = false; } // constructor supports creation of wxFileConfig objects of any type @@ -430,36 +434,36 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName, m_conv(conv) { // Make up names for files if empty - if ( m_strLocalFile.IsEmpty() && (style & wxCONFIG_USE_LOCAL_FILE) ) + if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) ) m_strLocalFile = GetLocalFileName(GetAppName()); - if ( m_strGlobalFile.IsEmpty() && (style & wxCONFIG_USE_GLOBAL_FILE) ) + 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.IsEmpty() ) + if ( !m_strLocalFile.empty() ) SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); - if ( !m_strGlobalFile.IsEmpty() ) + 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.IsEmpty() && !wxIsAbsolutePath(m_strLocalFile) ) + if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) ) { - wxString strLocal = m_strLocalFile; + const wxString strLocalOrig = m_strLocalFile; m_strLocalFile = GetLocalDir(); - m_strLocalFile << strLocal; + m_strLocalFile << strLocalOrig; } - if ( !m_strGlobalFile.IsEmpty() && !wxIsAbsolutePath(m_strGlobalFile) ) + if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) ) { - wxString strGlobal = m_strGlobalFile; + const wxString strGlobalOrig = m_strGlobalFile; m_strGlobalFile = GetGlobalDir(); - m_strGlobalFile << strGlobal; + m_strGlobalFile << strGlobalOrig; } } @@ -477,7 +481,7 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv) SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE); m_pCurrentGroup = - m_pRootGroup = new wxFileConfigGroup(NULL, wxT(""), this); + m_pRootGroup = new wxFileConfigGroup(NULL, wxEmptyString, this); m_linesHead = m_linesTail = NULL; @@ -491,7 +495,7 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv) char buf[1024]; do { - inStream.Read(buf, WXSIZEOF(buf)); + inStream.Read(buf, WXSIZEOF(buf)-1); // leave room for the NULL const wxStreamError err = inStream.GetLastError(); @@ -501,7 +505,12 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv) break; } - strTmp.append(wxConvertMB2WX(buf), inStream.LastRead()); + // 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() ); @@ -532,40 +541,42 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv) } // also add whatever we have left in the translated string. - memText.AddLine(strTrans); + 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; + 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(); } // ---------------------------------------------------------------------------- // 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; @@ -582,7 +593,7 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) { LineListAppend(strLine); - // let the root group have it start line as well + // let the root group have its start line as well if ( !n ) { m_pCurrentGroup->SetLine(m_linesTail); @@ -657,7 +668,7 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal) } } else { // a key - const wxChar *pEnd = pStart; + pEnd = pStart; while ( *pEnd && *pEnd != wxT('=') /* && !wxIsspace(*pEnd)*/ ) { if ( *pEnd == wxT('\\') ) { // next character may be space or not - still take it because it's @@ -731,45 +742,59 @@ 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.Count(); 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.Count(); n++ ) { + m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n]; + } + + return true; +} + +void wxFileConfig::SetPath(const wxString& strPath) +{ + DoSetPath(strPath, true /* create missing path components */); } // ---------------------------------------------------------------------------- @@ -778,66 +803,66 @@ 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().Count() ) { + 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().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; + 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; + 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().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; + return n; } // ---------------------------------------------------------------------------- @@ -846,18 +871,28 @@ 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 = wx_const_cast(wxFileConfig *, 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 { - wxConfigPathChanger path(this, strName); + wxConfigPathChanger path(this, strName); - wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); - return pEntry != NULL; + wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name()); + return pEntry != NULL; } // ---------------------------------------------------------------------------- @@ -866,16 +901,16 @@ bool wxFileConfig::HasEntry(const wxString& strName) 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 = pEntry->Value(); + *pStr = pEntry->Value(); - return true; + return true; } bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const @@ -895,25 +930,25 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue) wxConfigPathChanger path(this, key); wxString strName = path.Name(); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" Writing String '%s' = '%s' to Group '%s'"), strName.c_str(), szValue.c_str(), GetPath().c_str() ); - if ( strName.IsEmpty() ) + if ( strName.empty() ) { // setting the value of a group is an error - wxASSERT_MSG( wxIsEmpty(szValue), wxT("can't set value of a group!") ); + 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( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" Creating group %s"), m_pCurrentGroup->Name().c_str() ); - m_pCurrentGroup->SetDirty(); + SetDirty(); // this will add a line for this group if it didn't have it before @@ -921,9 +956,7 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue) } else { - // writing an entry - // check that the name is reasonable - + // writing an entry check that the name is reasonable if ( strName[0u] == wxCONFIG_IMMUTABLE_PREFIX ) { wxLogError( _("Config entry name cannot start with '%c'."), @@ -935,16 +968,18 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue) if ( pEntry == 0 ) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" Adding Entry %s"), strName.c_str() ); pEntry = m_pCurrentGroup->AddEntry(strName); } - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" Setting value %s"), szValue.c_str() ); pEntry->SetValue(szValue); + + SetDirty(); } return true; @@ -957,7 +992,7 @@ bool wxFileConfig::DoWriteLong(const wxString& key, long lValue) bool wxFileConfig::Flush(bool /* bCurrentOnly */) { - if ( LineListIsEmpty() || !m_pRootGroup->IsDirty() || !m_strLocalFile ) + if ( !IsDirty() || !m_strLocalFile ) return true; // set the umask if needed @@ -990,6 +1025,8 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */) return false; } + ResetDirty(); + #if defined(__WXMAC__) wxFileName(m_strLocalFile).MacSetTypeAndCreator('TEXT', 'ttxt'); #endif // __WXMAC__ @@ -997,6 +1034,32 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */) 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 // ---------------------------------------------------------------------------- @@ -1004,6 +1067,9 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */) 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 ) @@ -1018,6 +1084,8 @@ bool wxFileConfig::RenameEntry(const wxString& oldName, if ( !m_pCurrentGroup->DeleteEntry(oldName) ) return false; + SetDirty(); + wxFileConfigEntry *newEntry = m_pCurrentGroup->AddEntry(newName); newEntry->SetValue(value); @@ -1038,6 +1106,8 @@ bool wxFileConfig::RenameGroup(const wxString& oldName, group->Rename(newName); + SetDirty(); + return true; } @@ -1052,6 +1122,8 @@ bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso) if ( !m_pCurrentGroup->DeleteEntry(path.Name()) ) return false; + SetDirty(); + if ( bGroupIfEmptyAlso && m_pCurrentGroup->IsEmpty() ) { if ( m_pCurrentGroup != m_pRootGroup ) { wxFileConfigGroup *pGroup = m_pCurrentGroup; @@ -1068,20 +1140,31 @@ bool wxFileConfig::DeleteGroup(const wxString& key) { wxConfigPathChanger path(this, key); - return m_pCurrentGroup->DeleteSubgroupByName(path.Name()); + if ( !m_pCurrentGroup->DeleteSubgroupByName(path.Name()) ) + return false; + + SetDirty(); + + return true; } bool wxFileConfig::DeleteAll() { CleanUp(); - if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 ) + if ( !m_strLocalFile.empty() ) { - wxLogSysError(_("can't delete user configuration file '%s'"), m_strLocalFile.c_str()); - return false; + if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 ) + { + wxLogSysError(_("can't delete user configuration file '%s'"), + m_strLocalFile.c_str()); + return false; + } + + m_strLocalFile = + m_strGlobalFile = wxEmptyString; } - m_strLocalFile = m_strGlobalFile = wxT(""); Init(); return true; @@ -1095,13 +1178,13 @@ bool wxFileConfig::DeleteAll() wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" ** Adding Line '%s'"), str.c_str() ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" head: %s"), ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1121,10 +1204,10 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str) m_linesTail = pLine; - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" head: %s"), ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1135,14 +1218,14 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str) wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str, wxFileConfigLineList *pLine) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" ** Inserting Line '%s' after '%s'"), str.c_str(), ((pLine) ? pLine->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" head: %s"), ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1167,10 +1250,10 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str, pLine->SetNext(pNewLine); } - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" head: %s"), ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1179,13 +1262,13 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str, void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" ** Removing Line '%s'"), pLine->Text().c_str() ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" head: %s"), ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1206,10 +1289,13 @@ void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine) else pNext->SetPrev(pPrev); - wxLogTrace( _T("wxFileConfig"), + 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( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" tail: %s"), ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) ); @@ -1239,7 +1325,6 @@ wxFileConfigGroup::wxFileConfigGroup(wxFileConfigGroup *pParent, { m_pConfig = pConfig; m_pParent = pParent; - m_bDirty = false; m_pLine = NULL; m_pLastEntry = NULL; @@ -1266,7 +1351,11 @@ wxFileConfigGroup::~wxFileConfigGroup() void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine) { - wxASSERT( m_pLine == 0 ); // 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; } @@ -1306,13 +1395,13 @@ void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine) // have it or in the very beginning if we're the root group. wxFileConfigLineList *wxFileConfigGroup::GetGroupLine() { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" GetGroupLine() for Group '%s'"), Name().c_str() ); if ( !m_pLine ) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" Getting Line item pointer") ); wxFileConfigGroup *pParent = Parent(); @@ -1320,7 +1409,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine() // this group wasn't present in local config file, add it now if ( pParent ) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" checking parent '%s'"), pParent->Name().c_str() ); @@ -1366,7 +1455,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine() // one immediately after the group line itself. wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine() { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" GetLastEntryLine() for Group '%s'"), Name().c_str() ); @@ -1403,30 +1492,41 @@ void wxFileConfigGroup::SetLastEntry(wxFileConfigEntry *pEntry) // group name // ---------------------------------------------------------------------------- -void wxFileConfigGroup::Rename(const wxString& newName) +void wxFileConfigGroup::UpdateGroupAndSubgroupsLines() { - wxCHECK_RET( m_pParent, _T("the root group can't be renamed") ); + // update the line of this group + wxFileConfigLineList *line = GetGroupLine(); + wxCHECK_RET( line, _T("a non root group must have a corresponding line!") ); - m_strName = newName; + // +1: skip the leading '/' + line->SetText(wxString::Format(_T("[%s]"), GetFullName().c_str() + 1)); - // +1: no leading '/' - wxString strFullName; - strFullName << wxT("[") << (GetFullName().c_str() + 1) << wxT("]"); - wxFileConfigLineList *line = GetGroupLine(); - wxCHECK_RET( line, _T("a non root group must have a corresponding line!") ); + // 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") ); - line->SetText(strFullName); + m_strName = newName; - 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; } // ---------------------------------------------------------------------------- @@ -1544,121 +1644,91 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup) { wxCHECK_MSG( pGroup, false, _T("deleting non existing group?") ); - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T("Deleting group '%s' from '%s'"), pGroup->Name().c_str(), Name().c_str() ); - wxLogTrace( _T("wxFileConfig"), + 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( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" text: '%s'"), ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) ); - // delete all entries + // delete all entries... size_t nCount = pGroup->m_aEntries.Count(); - wxLogTrace(_T("wxFileConfig"), - _T("Removing %lu Entries"), - (unsigned long)nCount ); + 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(); + wxFileConfigLineList *pLine = pGroup->m_aEntries[nEntry]->GetLine(); - if ( pLine != 0 ) + if ( pLine ) { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" '%s'"), pLine->Text().c_str() ); m_pConfig->LineListRemove(pLine); } } - // and subgroups of this subgroup - + // ...and subgroups of this subgroup nCount = pGroup->m_aSubgroups.Count(); - wxLogTrace( _T("wxFileConfig"), - _T("Removing %lu SubGroups"), - (unsigned long)nCount ); + 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]); } - // finally the group itself - - wxFileConfigLineList *pLine = pGroup->m_pLine; - - if ( pLine != 0 ) + // and then finally the group itself + wxFileConfigLineList *pLine = pGroup->m_pLine; + if ( pLine ) { - wxLogTrace( _T("wxFileConfig"), - _T(" Removing line entry for Group '%s' : '%s'"), + wxLogTrace( FILECONF_TRACE_MASK, + _T(" Removing line for group '%s' : '%s'"), pGroup->Name().c_str(), pLine->Text().c_str() ); - wxLogTrace( _T("wxFileConfig"), - _T(" Removing from Group '%s' : '%s'"), + 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 - + // 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( _T("wxFileConfig"), - _T(" ------- Removing last group -------") ); - - // our last entry is being deleted, so find the last one which stays. - // go back until we find a subgroup or reach the group's line, unless - // we are the root group, which we'll notice shortly. - - wxFileConfigGroup *pNewLast = 0; - size_t nSubgroups = m_aSubgroups.Count(); - wxFileConfigLineList *pl; - - for ( pl = pLine->Prev(); pl != m_pLine; pl = pl->Prev() ) + 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() ) { - // is it our subgroup? - - for ( size_t n = 0; (pNewLast == 0) && (n < nSubgroups); n++ ) + // 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 == m_pLine ) - pNewLast = m_aSubgroups[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 ( pNewLast != 0 ) // found? - break; - } - - if ( pl == m_pLine || m_pParent == 0 ) - { - wxLogTrace( _T("wxFileConfig"), - _T(" ------- No previous group found -------") ); - - wxASSERT_MSG( !pNewLast || m_pLine == 0, - _T("how comes it has the same line as we?") ); - - // we've reached the group line without finding any subgroups, - // or realised we removed the last group from the root. - - m_pLastGroup = 0; - } - else - { - wxLogTrace( _T("wxFileConfig"), - _T(" ------- Last Group set to '%s' -------"), - pNewLast->Name().c_str() ); - - m_pLastGroup = pNewLast; } } @@ -1666,13 +1736,11 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup) } else { - wxLogTrace( _T("wxFileConfig"), + wxLogTrace( FILECONF_TRACE_MASK, _T(" No line entry for Group '%s'?"), pGroup->Name().c_str() ); } - SetDirty(); - m_aSubgroups.Remove(pGroup); delete pGroup; @@ -1682,7 +1750,11 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup) bool wxFileConfigGroup::DeleteEntry(const wxChar *szName) { wxFileConfigEntry *pEntry = FindEntry(szName); - wxCHECK( pEntry != NULL, false ); // deleting non existing item? + if ( !pEntry ) + { + // entry doesn't exist, nothing to do + return false; + } wxFileConfigLineList *pLine = pEntry->GetLine(); if ( pLine != NULL ) { @@ -1720,25 +1792,12 @@ bool wxFileConfigGroup::DeleteEntry(const wxChar *szName) 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(); -} - // ============================================================================ // wxFileConfig::wxFileConfigEntry // ============================================================================ @@ -1751,13 +1810,12 @@ 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_bImmutable = strName[0] == wxCONFIG_IMMUTABLE_PREFIX; @@ -1791,10 +1849,8 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser) 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 - + // 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; @@ -1803,7 +1859,7 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser) if ( bUser ) { - wxString strValFiltered; + wxString strValFiltered; if ( Group()->Config()->GetStyle() & wxCONFIG_USE_NO_ESCAPE_CHARACTERS ) { @@ -1823,23 +1879,18 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser) } else // this entry didn't exist in the local file { - // add a new line to the 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(); } } -void wxFileConfigEntry::SetDirty() -{ - m_bDirty = true; - Group()->SetDirty(); -} - // ============================================================================ // global functions // ============================================================================ @@ -1876,7 +1927,7 @@ 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 ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) { if ( str[n] == wxT('\\') ) { @@ -1979,8 +2030,11 @@ 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 == _T('\0') ) + break; + } strResult += *pc; } @@ -2029,6 +2083,3 @@ static wxString GetAppName(const wxString& appName) } #endif // wxUSE_CONFIG - - -// vi:sts=4:sw=4:et