Committing in .

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

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index e26936b7a53f9fade04c545232ee16a21c01dd4d..022a830255062a0ad495db9e1edc9e4be3433d71 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:
@@ -10,10 +10,6 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "fileconf.h"
-#endif
-
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
@@ -275,7 +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;
@@ -454,16 +450,16 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
     {
         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.empty() && !wxIsAbsolutePath(m_strGlobalFile) )
         {
-            wxString strGlobal = m_strGlobalFile;
+            const wxString strGlobalOrig = m_strGlobalFile;
             m_strGlobalFile = GetGlobalDir();
-            m_strGlobalFile << strGlobal;
+            m_strGlobalFile << strGlobalOrig;
         }
     }
 
@@ -576,7 +572,7 @@ wxFileConfig::~wxFileConfig()
 // 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;
@@ -668,7 +664,7 @@ 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
@@ -746,13 +742,14 @@ void wxFileConfig::SetRootPath()
   m_pCurrentGroup = m_pRootGroup;
 }
 
-void wxFileConfig::SetPath(const wxString& strPath)
+bool
+wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
 {
   wxArrayString aParts;
 
   if ( strPath.empty() ) {
     SetRootPath();
-    return;
+    return true;
   }
 
   if ( strPath[0] == wxCONFIG_PATH_SEPARATOR ) {
@@ -772,7 +769,13 @@ void wxFileConfig::SetPath(const wxString& strPath)
   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]);
+    }
+
     m_pCurrentGroup = pNextGroup;
   }
 
@@ -781,6 +784,13 @@ void wxFileConfig::SetPath(const wxString& strPath)
   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 */);
 }
 
 // ----------------------------------------------------------------------------
@@ -857,10 +867,20 @@ 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();
 
-  wxFileConfigGroup *pGroup = m_pCurrentGroup->FindSubgroup(path.Name());
-  return pGroup != NULL;
+  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::HasEntry(const wxString& strName) const
@@ -1098,12 +1118,13 @@ 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;
       SetPath(wxT(".."));  // changes m_pCurrentGroup!
-      if ( m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name()) )
-          SetDirty();
+      m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name());
     }
     //else: never delete the root group
   }
@@ -1326,8 +1347,11 @@ wxFileConfigGroup::~wxFileConfigGroup()
 
 void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
 {
-    // shouldn't be called twice unless we are resetting the line
-    wxASSERT( m_pLine == 0 || pLine == 0 );
+    // 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;
 }
 
@@ -2052,4 +2076,3 @@ static wxString GetAppName(const wxString& appName)
 }
 
 #endif // wxUSE_CONFIG
-