X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6ad0a7d52fc2a0ec7a434d1c7edb6e00d09853a4..e887bad5f3a10f5b0c1f173c34c694dda283d0cf:/src/common/fileconf.cpp

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 0c3912dbdb..07da5e6ff2 100644
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -42,6 +42,8 @@
 #include  "wx/fileconf.h"
 #include  "wx/filefn.h"
 
+#include "wx/base64.h"
+
 #include  "wx/stdpaths.h"
 
 #if defined(__WXMAC__)
@@ -222,12 +224,12 @@ public:
   bool  IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); }
 
   // find entry/subgroup (NULL if not found)
-  wxFileConfigGroup *FindSubgroup(const wxChar *szName) const;
-  wxFileConfigEntry *FindEntry   (const wxChar *szName) const;
+  wxFileConfigGroup *FindSubgroup(const wxString& name) const;
+  wxFileConfigEntry *FindEntry   (const wxString& name) const;
 
   // delete entry/subgroup, return false if doesn't exist
-  bool DeleteSubgroupByName(const wxChar *szName);
-  bool DeleteEntry(const wxChar *szName);
+  bool DeleteSubgroupByName(const wxString& name);
+  bool DeleteEntry(const wxString& name);
 
   // create new entry/subgroup returning pointer to newly created element
   wxFileConfigGroup *AddSubgroup(const wxString& strName);
@@ -370,7 +372,16 @@ void wxFileConfig::Init()
         }
         else
         {
-            wxLogWarning(_("can't open user configuration file '%s'."),  m_fnLocalFile.GetFullPath().c_str() );
+            const wxString path = m_fnLocalFile.GetFullPath();
+            wxLogWarning(_("can't open user configuration file '%s'."),
+                         path.c_str());
+
+            if ( m_fnLocalFile.FileExists() )
+            {
+                wxLogWarning(_("Changes won't be saved to avoid overwriting the existing file \"%s\""),
+                             path.c_str());
+                m_fnLocalFile.Clear();
+            }
         }
     }
 
@@ -435,71 +446,61 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, const wxMBConv& conv)
     m_linesTail = NULL;
 
     // read the entire stream contents in memory
-    wxString str;
-    {
-        static const size_t chunkLen = 1024;
+    wxWxCharBuffer cbuf;
+    static const size_t chunkLen = 1024;
 
-        wxMemoryBuffer buf(chunkLen);
-        do
-        {
-            inStream.Read(buf.GetAppendBuf(chunkLen), chunkLen);
-            buf.UngetAppendBuf(inStream.LastRead());
+    wxMemoryBuffer buf(chunkLen);
+    do
+    {
+        inStream.Read(buf.GetAppendBuf(chunkLen), chunkLen);
+        buf.UngetAppendBuf(inStream.LastRead());
 
-            const wxStreamError err = inStream.GetLastError();
+        const wxStreamError err = inStream.GetLastError();
 
-            if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF )
-            {
-                wxLogError(_("Error reading config options."));
-                break;
-            }
+        if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF )
+        {
+            wxLogError(_("Error reading config options."));
+            break;
         }
-        while ( !inStream.Eof() );
+    }
+    while ( !inStream.Eof() );
 
 #if wxUSE_UNICODE
-        size_t len;
-        str = conv.cMB2WC((char *)buf.GetData(), buf.GetDataLen(), &len);
-        if ( !len && buf.GetDataLen() )
-        {
-            wxLogError(_("Failed to read config options."));
-        }
+    size_t len;
+    cbuf = conv.cMB2WC((char *)buf.GetData(), buf.GetDataLen() + 1, &len);
+    if ( !len && buf.GetDataLen() )
+    {
+        wxLogError(_("Failed to read config options."));
+    }
 #else // !wxUSE_UNICODE
-        // no need for conversion
-        str.assign((char *)buf.GetData(), buf.GetDataLen());
+    // no need for conversion
+    cbuf = wxCharBuffer::CreateNonOwned((char *)buf.GetData());
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
-    }
-
 
-    // translate everything to the current (platform-dependent) line
-    // termination character
-    str = wxTextBuffer::Translate(str);
 
+    // now break it into lines
     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 = str.Find(pEOL);
-    while ( posLineStart != -1 )
+    for ( const wxChar *s = cbuf; ; ++s )
     {
-        wxString line(str.Left(posLineStart));
+        const wxChar *e = s;
+        while ( *e != '\0' && *e != '\n' && *e != '\r' )
+            ++e;
+
+        // notice that we throw away the original EOL kind here, maybe we
+        // should preserve it?
+        if ( e != s )
+            memText.AddLine(wxString(s, e));
 
-        memText.AddLine(line);
+        if ( *e == '\0' )
+            break;
 
-        str = str.Mid(posLineStart + EOLLen);
+        // skip the second EOL byte if it's a DOS one
+        if ( *e == '\r' && e[1] == '\n' )
+            ++e;
 
-        posLineStart = str.Find(pEOL);
+        s = e;
     }
 
-    // also add whatever we have left in the translated string.
-    if ( !str.empty() )
-        memText.AddLine(str);
-
     // Finally we can parse it all.
     Parse(memText, true /* local */);
 
@@ -536,15 +537,16 @@ wxFileConfig::~wxFileConfig()
 
 void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal)
 {
-  const wxChar *pStart;
-  const wxChar *pEnd;
-  wxString strLine;
 
   size_t nLineCount = buffer.GetLineCount();
 
   for ( size_t n = 0; n < nLineCount; n++ )
   {
-    strLine = buffer[n];
+    wxString strLine = buffer[n];
+    // FIXME-UTF8: rewrite using iterators, without this buffer
+    wxWxCharBuffer buf(strLine.c_str());
+    const wxChar *pStart;
+    const wxChar *pEnd;
 
     // add the line to linked list
     if ( bLocal )
@@ -560,7 +562,7 @@ void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal)
 
 
     // skip leading spaces
-    for ( pStart = strLine; wxIsspace(*pStart); pStart++ )
+    for ( pStart = buf; wxIsspace(*pStart); pStart++ )
       ;
 
     // skip blank/comment lines
@@ -915,6 +917,22 @@ bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
     return str.ToLong(pl);
 }
 
+#if wxUSE_BASE64
+
+bool wxFileConfig::DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const
+{
+    wxCHECK_MSG( buf, false, _T("NULL buffer") );
+
+    wxString str;
+    if ( !Read(key, &str) )
+        return false;
+
+    *buf = wxBase64Decode(str.ToAscii());
+    return true;
+}
+
+#endif // wxUSE_BASE64
+
 bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
     wxConfigPathChanger     path(this, key);
@@ -980,6 +998,15 @@ bool wxFileConfig::DoWriteLong(const wxString& key, long lValue)
   return Write(key, wxString::Format(_T("%ld"), lValue));
 }
 
+#if wxUSE_BASE64
+
+bool wxFileConfig::DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf)
+{
+  return Write(key, wxBase64Encode(buf));
+}
+
+#endif // wxUSE_BASE64
+
 bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 {
   if ( !IsDirty() || !m_fnLocalFile.GetFullPath() )
@@ -1059,7 +1086,7 @@ bool wxFileConfig::Save(wxOutputStream& os, const wxMBConv& conv)
 bool wxFileConfig::RenameEntry(const wxString& oldName,
                                const wxString& newName)
 {
-    wxASSERT_MSG( !wxStrchr(oldName, wxCONFIG_PATH_SEPARATOR),
+    wxASSERT_MSG( oldName.find(wxCONFIG_PATH_SEPARATOR) == wxString::npos,
                    _T("RenameEntry(): paths are not supported") );
 
     // check that the entry exists
@@ -1148,7 +1175,8 @@ bool wxFileConfig::DeleteAll()
 
   if ( m_fnLocalFile.IsOk() )
   {
-      if ( m_fnLocalFile.FileExists() && wxRemove(m_fnLocalFile.GetFullPath()) == -1 )
+      if ( m_fnLocalFile.FileExists() &&
+           !wxRemoveFile(m_fnLocalFile.GetFullPath()) )
       {
           wxLogSysError(_("can't delete user configuration file '%s'"),
                         m_fnLocalFile.GetFullPath().c_str());
@@ -1548,7 +1576,7 @@ wxString wxFileConfigGroup::GetFullName() const
 
 // use binary search because the array is sorted
 wxFileConfigEntry *
-wxFileConfigGroup::FindEntry(const wxChar *szName) const
+wxFileConfigGroup::FindEntry(const wxString& name) const
 {
   size_t i,
        lo = 0,
@@ -1561,9 +1589,9 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const
     pEntry = m_aEntries[i];
 
     #if wxCONFIG_CASE_SENSITIVE
-      res = wxStrcmp(pEntry->Name(), szName);
+      res = pEntry->Name().compare(name);
     #else
-      res = wxStricmp(pEntry->Name(), szName);
+      res = pEntry->Name().CmpNoCase(name);
     #endif
 
     if ( res > 0 )
@@ -1578,7 +1606,7 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const
 }
 
 wxFileConfigGroup *
-wxFileConfigGroup::FindSubgroup(const wxChar *szName) const
+wxFileConfigGroup::FindSubgroup(const wxString& name) const
 {
   size_t i,
        lo = 0,
@@ -1591,9 +1619,9 @@ wxFileConfigGroup::FindSubgroup(const wxChar *szName) const
     pGroup = m_aSubgroups[i];
 
     #if wxCONFIG_CASE_SENSITIVE
-      res = wxStrcmp(pGroup->Name(), szName);
+      res = pGroup->Name().compare(name);
     #else
-      res = wxStricmp(pGroup->Name(), szName);
+      res = pGroup->Name().CmpNoCase(name);
     #endif
 
     if ( res > 0 )
@@ -1644,9 +1672,9 @@ wxFileConfigGroup *wxFileConfigGroup::AddSubgroup(const wxString& strName)
   delete several of them.
  */
 
-bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName)
+bool wxFileConfigGroup::DeleteSubgroupByName(const wxString& name)
 {
-    wxFileConfigGroup * const pGroup = FindSubgroup(szName);
+    wxFileConfigGroup * const pGroup = FindSubgroup(name);
 
     return pGroup ? DeleteSubgroup(pGroup) : false;
 }
@@ -1765,9 +1793,9 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
     return true;
 }
 
-bool wxFileConfigGroup::DeleteEntry(const wxChar *szName)
+bool wxFileConfigGroup::DeleteEntry(const wxString& name)
 {
-  wxFileConfigEntry *pEntry = FindEntry(szName);
+  wxFileConfigEntry *pEntry = FindEntry(name);
   if ( !pEntry )
   {
       // entry doesn't exist, nothing to do
@@ -1920,18 +1948,18 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser)
 int CompareEntries(wxFileConfigEntry *p1, wxFileConfigEntry *p2)
 {
 #if wxCONFIG_CASE_SENSITIVE
-    return wxStrcmp(p1->Name(), p2->Name());
+    return p1->Name().compare(p2->Name());
 #else
-    return wxStricmp(p1->Name(), p2->Name());
+    return p1->Name().CmpNoCase(p2->Name());
 #endif
 }
 
 int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2)
 {
 #if wxCONFIG_CASE_SENSITIVE
-    return wxStrcmp(p1->Name(), p2->Name());
+    return p1->Name().compare(p2->Name());
 #else
-    return wxStricmp(p1->Name(), p2->Name());
+    return p1->Name().CmpNoCase(p2->Name());
 #endif
 }
 
@@ -1942,47 +1970,66 @@ int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2)
 // undo FilterOutValue
 static wxString FilterInValue(const wxString& str)
 {
-  wxString strResult;
-  strResult.Alloc(str.Len());
+    wxString strResult;
+    if ( str.empty() )
+        return strResult;
 
-  bool bQuoted = !str.empty() && str[0] == '"';
+    strResult.reserve(str.length());
 
-  for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) {
-    if ( str[n] == wxT('\\') ) {
-      switch ( str[++n].GetValue() ) {
-        case wxT('n'):
-          strResult += wxT('\n');
-          break;
+    wxString::const_iterator i = str.begin();
+    const bool bQuoted = *i == '"';
+    if ( bQuoted )
+        ++i;
 
-        case wxT('r'):
-          strResult += wxT('\r');
-          break;
+    for ( const wxString::const_iterator end = str.end(); i != end; ++i )
+    {
+        if ( *i == wxT('\\') )
+        {
+            if ( ++i == end )
+            {
+                wxLogWarning(_("trailing backslash ignored in '%s'"), str.c_str());
+                break;
+            }
 
-        case wxT('t'):
-          strResult += wxT('\t');
-          break;
+            switch ( (*i).GetValue() )
+            {
+                case wxT('n'):
+                    strResult += wxT('\n');
+                    break;
 
-        case wxT('\\'):
-          strResult += wxT('\\');
-          break;
+                case wxT('r'):
+                    strResult += wxT('\r');
+                    break;
 
-        case wxT('"'):
-          strResult += wxT('"');
-          break;
-      }
-    }
-    else {
-      if ( str[n] != wxT('"') || !bQuoted )
-        strResult += str[n];
-      else if ( n != str.Len() - 1 ) {
-        wxLogWarning(_("unexpected \" at position %d in '%s'."),
-                     n, str.c_str());
-      }
-      //else: it's the last quote of a quoted string, ok
+                case wxT('t'):
+                    strResult += wxT('\t');
+                    break;
+
+                case wxT('\\'):
+                    strResult += wxT('\\');
+                    break;
+
+                case wxT('"'):
+                    strResult += wxT('"');
+                    break;
+            }
+        }
+        else // not a backslash
+        {
+            if ( *i != wxT('"') || !bQuoted )
+            {
+                strResult += *i;
+            }
+            else if ( i != end - 1 )
+            {
+                wxLogWarning(_("unexpected \" at position %d in '%s'."),
+                             i - str.begin(), str.c_str());
+            }
+            //else: it's the last quote of a quoted string, ok
+        }
     }
-  }
 
-  return strResult;
+    return strResult;
 }
 
 // quote the string before writing it to file