1. use a manifest constant wxNO_LEN instead of -1 for lengths everywhere

[wxWidgets.git] / src / common / fileconf.cpp

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 3ede1c004a2f4ee0f58ec7e42b356c2364936bfc..1b0eb091a3d7e7be5d1d8973a03a907f055e6936 100644 (file)
--- 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:
 // Purpose:     implementation of wxFileConfig derivation of wxConfig
 // Author:      Vadim Zeitlin
 // Modified by:


@@ -271,7 +271,7 @@ wxString wxFileConfig::GetGlobalDir()
     strDir = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
 #elif defined( __UNIX__ )
     strDir = wxT("/etc/");
     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;
     ULONG aulSysInfo[QSV_MAX] = {0};
     UINT drive;
     APIRET rc;


@@ -287,7 +287,7 @@ 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?)
 #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
 #elif defined(__WXWINCE__)
     strDir = wxT("\\Windows\\");
 #else // Windows


@@ -308,18 +308,22 @@ wxString wxFileConfig::GetLocalDir()
 
 #if defined(__WXMAC__) || defined(__DOS__)
     // no local dir concept on Mac OS 9 or MS-DOS
 
 #if defined(__WXMAC__) || defined(__DOS__)
     // no local dir concept on Mac OS 9 or MS-DOS

-    return GetGlobalDir() ;
+    strDir << GetGlobalDir() ;

 #else
     wxGetHomeDir(&strDir);
 
 #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;
 #endif
 
     return strDir;


@@ -390,7 +394,7 @@ void wxFileConfig::Init()
     {
         wxTextFile fileGlobal(m_strGlobalFile);
 
     {
         wxTextFile fileGlobal(m_strGlobalFile);
 

-        if ( fileGlobal.Open(m_conv/*ignored in ANSI build*/) )
+        if ( fileGlobal.Open(*m_conv/*ignored in ANSI build*/) )

         {
             Parse(fileGlobal, false /* global */);
             SetRootPath();
         {
             Parse(fileGlobal, false /* global */);
             SetRootPath();


@@ -405,7 +409,7 @@ void wxFileConfig::Init()
     if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) )
     {
         wxTextFile fileLocal(m_strLocalFile);
     if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) )
     {
         wxTextFile fileLocal(m_strLocalFile);

-        if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) )
+        if ( fileLocal.Open(*m_conv/*ignored in ANSI build*/) )

         {
             Parse(fileLocal, true /* local */);
             SetRootPath();
         {
             Parse(fileLocal, true /* local */);
             SetRootPath();


@@ -422,12 +426,13 @@ void wxFileConfig::Init()
 // constructor supports creation of wxFileConfig objects of any type
 wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
                            const wxString& strLocal, const wxString& 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)
+                           long style,
+                           const wxMBConv& conv)

             : wxConfigBase(::GetAppName(appName), vendorName,
                            strLocal, strGlobal,
                            style),
               m_strLocalFile(strLocal), m_strGlobalFile(strGlobal),
             : wxConfigBase(::GetAppName(appName), vendorName,
                            strLocal, strGlobal,
                            style),
               m_strLocalFile(strLocal), m_strGlobalFile(strGlobal),

-              m_conv(conv)
+              m_conv(conv.Clone())

 {
     // Make up names for files if empty
     if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) )
 {
     // Make up names for files if empty
     if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) )


@@ -450,16 +455,16 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
     {
         if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) )
         {
     {
         if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) )
         {

-            wxString strLocal = m_strLocalFile;
+            const wxString strLocalOrig = m_strLocalFile;

             m_strLocalFile = GetLocalDir();
             m_strLocalFile = GetLocalDir();

-            m_strLocalFile << strLocal;
+            m_strLocalFile << strLocalOrig;

         }
 
         if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) )
         {
         }
 
         if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) )
         {

-            wxString strGlobal = m_strGlobalFile;
+            const wxString strGlobalOrig = m_strGlobalFile;

             m_strGlobalFile = GetGlobalDir();
             m_strGlobalFile = GetGlobalDir();

-            m_strGlobalFile << strGlobal;
+            m_strGlobalFile << strGlobalOrig;

         }
     }
 
         }
     }
 


@@ -470,8 +475,8 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
 
 #if wxUSE_STREAMS
 
 
 #if wxUSE_STREAMS
 

-wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
-            : m_conv(conv)
+wxFileConfig::wxFileConfig(wxInputStream &inStream, const wxMBConv& conv)
+            : m_conv(conv.Clone())

 {
     // always local_file when this constructor is called (?)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 {
     // always local_file when this constructor is called (?)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);


@@ -551,28 +556,28 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
 
 void wxFileConfig::CleanUp()
 {
 
 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()
 {
 }
 
 wxFileConfig::~wxFileConfig()
 {

-  Flush();
+    Flush();

 
 

-  CleanUp();
+    CleanUp();

 }
 
 // ----------------------------------------------------------------------------
 // parse a config file
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // 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;
 {
   const wxChar *pStart;
   const wxChar *pEnd;


@@ -664,7 +669,7 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
       }
     }
     else {                        // a key
       }
     }
     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
       while ( *pEnd && *pEnd != wxT('=') /* && !wxIsspace(*pEnd)*/ ) {
         if ( *pEnd == wxT('\\') ) {
           // next character may be space or not - still take it because it's


@@ -738,59 +743,59 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
 
 void wxFileConfig::SetRootPath()
 {
 
 void wxFileConfig::SetRootPath()
 {

-  m_strPath.Empty();
-  m_pCurrentGroup = m_pRootGroup;
+    m_strPath.Empty();
+    m_pCurrentGroup = m_pRootGroup;

 }
 
 bool
 wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
 {
 }
 
 bool
 wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
 {

-  wxArrayString aParts;
+    wxArrayString aParts;

 
 

-  if ( strPath.empty() ) {
-    SetRootPath();
-    return true;
-  }
+    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 )
-    {
-      if ( !createMissingComponents )
-        return false;
+    // 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]);
-    }
+            pNextGroup = m_pCurrentGroup->AddSubgroup(aParts[n]);
+        }

 
 

-    m_pCurrentGroup = pNextGroup;
-  }
+        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];
-  }
+    // 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;
+    return true;

 }
 
 void wxFileConfig::SetPath(const wxString& strPath)
 {
 }
 
 void wxFileConfig::SetPath(const wxString& strPath)
 {

-  DoSetPath(strPath, true /* create missing path components */);
+    DoSetPath(strPath, true /* create missing path components */);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -799,66 +804,66 @@ void wxFileConfig::SetPath(const wxString& strPath)
 
 bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) const
 {
 
 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
 {
 }
 
 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
 {
 }
 
 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
 {
 }
 
 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 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 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;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -867,28 +872,28 @@ size_t wxFileConfig::GetNumberOfGroups(bool bRecursive) const
 
 bool wxFileConfig::HasGroup(const wxString& strName) const
 {
 
 bool wxFileConfig::HasGroup(const wxString& strName) const
 {

-  // 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;
+    // 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();
+    const wxString pathOld = GetPath();

 
 

-  wxFileConfig *self = wx_const_cast(wxFileConfig *, this);
-  const bool
-    rc = self->DoSetPath(strName, false /* don't create missing components */);
+    wxFileConfig *self = wx_const_cast(wxFileConfig *, this);
+    const bool
+        rc = self->DoSetPath(strName, false /* don't create missing components */);

 
 

-  self->SetPath(pathOld);
+    self->SetPath(pathOld);

 
 

-  return rc;
+    return rc;

 }
 
 bool wxFileConfig::HasEntry(const wxString& strName) const
 {
 }
 
 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;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -897,16 +902,16 @@ bool wxFileConfig::HasEntry(const wxString& strName) const
 
 bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const
 {
 
 bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const
 {

-  wxConfigPathChanger path(this, key);
+    wxConfigPathChanger path(this, key);

 
 

-  wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
-  if (pEntry == NULL) {
-    return false;
-  }
+    wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
+    if (pEntry == NULL) {
+        return false;
+    }

 
 

-  *pStr = pEntry->Value();
+    *pStr = pEntry->Value();

 
 

-  return true;
+    return true;

 }
 
 bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
 }
 
 bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const


@@ -1007,7 +1012,7 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
   {
     wxString line = p->Text();
     line += wxTextFile::GetEOL();
   {
     wxString line = p->Text();
     line += wxTextFile::GetEOL();

-    if ( !file.Write(line, m_conv) )
+    if ( !file.Write(line, *m_conv) )

     {
       wxLogError(_("can't write user configuration file."));
       return false;
     {
       wxLogError(_("can't write user configuration file."));
       return false;


@@ -1032,7 +1037,7 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 
 #if wxUSE_STREAMS
 
 
 #if wxUSE_STREAMS
 

-bool wxFileConfig::Save(wxOutputStream& os, wxMBConv& conv)
+bool wxFileConfig::Save(wxOutputStream& os, const wxMBConv& conv)

 {
     // save unconditionally, even if not dirty
     for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() )
 {
     // save unconditionally, even if not dirty
     for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() )


@@ -1156,9 +1161,6 @@ bool wxFileConfig::DeleteAll()
                         m_strLocalFile.c_str());
           return false;
       }
                         m_strLocalFile.c_str());
           return false;
       }

-
-      m_strLocalFile =
-      m_strGlobalFile = wxEmptyString;

   }
 
   Init();
   }
 
   Init();


@@ -2026,8 +2028,11 @@ static wxString FilterInEntryName(const wxString& str)
   strResult.Alloc(str.Len());
 
   for ( const wxChar *pc = str.c_str(); *pc != '\0'; pc++ ) {
   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;
   }
 
     strResult += *pc;
   }


@@ -2076,4 +2081,3 @@ static wxString GetAppName(const wxString& appName)
 }
 
 #endif // wxUSE_CONFIG
 }
 
 #endif // wxUSE_CONFIG

-