X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7351db919a9dab89c951406bee859b5f3bb53f7a..7533ba252ba505f159f504a34877793fb32d8bca:/src/common/fileconf.cpp

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index e26936b7a5..c84e60de07 100644
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -746,13 +746,14 @@ 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 +773,13 @@ 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 +788,13 @@ 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 +871,20 @@ 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 +1122,13 @@ 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 +1351,11 @@ 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;
 }