X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1f3943e0276719ed5fc94bb93765df69f91ba10c..647b8e379ed0f470f0f643fe816ba872be41541d:/src/msw/regconf.cpp

diff --git a/src/msw/regconf.cpp b/src/msw/regconf.cpp
index 01f2468803..d9c5fd5aae 100644
--- a/src/msw/regconf.cpp
+++ b/src/msw/regconf.cpp
@@ -43,7 +43,7 @@
 // ----------------------------------------------------------------------------
 
 // we put our data in HKLM\SOFTWARE_KEY\appname
-#define SOFTWARE_KEY    wxString("Software\\")
+#define SOFTWARE_KEY    wxString(wxT("Software\\"))
 
 // ----------------------------------------------------------------------------
 // global functions
@@ -221,7 +221,11 @@ void wxRegConfig::SetPath(const wxString& strPath)
         {
             strFullPath.reserve(2*m_strPath.length());
 
-            strFullPath << m_strPath << wxCONFIG_PATH_SEPARATOR << strPath;
+            strFullPath << m_strPath;
+            if ( strFullPath.Len() == 0 || 
+                 strFullPath.Last() != wxCONFIG_PATH_SEPARATOR )
+                strFullPath << wxCONFIG_PATH_SEPARATOR; 
+            strFullPath << strPath;
         }
 
         // simplify it: we need to handle ".." here
@@ -270,6 +274,7 @@ void wxRegConfig::SetPath(const wxString& strPath)
                             // check the boundary condition below
 
                             // this is more efficient than strrchr()
+                            dst--;
                             while ( *dst != wxCONFIG_PATH_SEPARATOR )
                             {
                                 dst--;
@@ -284,10 +289,13 @@ void wxRegConfig::SetPath(const wxString& strPath)
                             posLastSlash = -1;
                         }
 
-                        // this shouldn't happen
+                        // we must have found a slash one way or another!
                         wxASSERT_MSG( *dst == wxCONFIG_PATH_SEPARATOR,
                                       _T("error in wxRegConfig::SetPath") );
 
+                        // stay at the same position
+                        dst--;
+
                         // we killed one
                         totalSlashes--;
                     }
@@ -305,8 +313,12 @@ void wxRegConfig::SetPath(const wxString& strPath)
 
                         totalSlashes++;
                     }
-                    //else: nothing to do, we squeeze several subseuquent
-                    //      slashes into one
+                    else // previous char was a slash too
+                    {
+                        // squeeze several subsequent slashes into one: i.e.
+                        // just ignore this one
+                        dst--;
+                    }
                 }
             }
             else // normal character
@@ -338,21 +350,24 @@ void wxRegConfig::SetPath(const wxString& strPath)
 
     // registry APIs want backslashes instead of slashes
     wxString strRegPath;
-    size_t len = m_strPath.length();
+    if ( !m_strPath.empty() )
+    {
+        size_t len = m_strPath.length();
 
-    const wxChar *src = m_strPath.c_str();
-    wxChar *dst = strRegPath.GetWriteBuf(len);
+        const wxChar *src = m_strPath.c_str();
+        wxChar *dst = strRegPath.GetWriteBuf(len);
 
-    const wxChar *end = src + len;
-    for ( ; src < end; src++, dst++ )
-    {
-        if ( *src == wxCONFIG_PATH_SEPARATOR )
-            *dst = _T('\\');
-        else
-            *dst = *src;
-    }
+        const wxChar *end = src + len;
+        for ( ; src < end; src++, dst++ )
+        {
+            if ( *src == wxCONFIG_PATH_SEPARATOR )
+                *dst = _T('\\');
+            else
+                *dst = *src;
+        }
 
-    strRegPath.UngetWriteBuf(len);
+        strRegPath.UngetWriteBuf(len);
+    }
 
     // this is not needed any longer as we don't create keys unnecessarily any
     // more (now it is done on demand, i.e. only when they're going to contain
@@ -464,7 +479,7 @@ bool wxRegConfig::GetNextEntry(wxString& str, long& lIndex) const
   return bOk;
 }
 
-size_t wxRegConfig::GetNumberOfEntries(bool bRecursive) const
+size_t wxRegConfig::GetNumberOfEntries(bool WXUNUSED(bRecursive)) const
 {
   size_t nEntries = 0;
 
@@ -481,7 +496,7 @@ size_t wxRegConfig::GetNumberOfEntries(bool bRecursive) const
   return nEntries;
 }
 
-size_t wxRegConfig::GetNumberOfGroups(bool bRecursive) const
+size_t wxRegConfig::GetNumberOfGroups(bool WXUNUSED(bRecursive)) const
 {
   size_t nGroups = 0;
 
@@ -543,44 +558,10 @@ wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
 // reading/writing
 // ----------------------------------------------------------------------------
 
-bool wxRegConfig::Read(const wxString& key, wxString *pStr) const
+bool wxRegConfig::DoReadString(const wxString& key, wxString *pStr) const
 {
-  wxConfigPathChanger path(this, key);
-
-  bool bQueryGlobal = TRUE;
-
-  // if immutable key exists in global key we must check that it's not
-  // overriden by the local key with the same name
-  if ( IsImmutable(path.Name()) ) {
-    if ( TryGetValue(m_keyGlobal, path.Name(), *pStr) ) {
-      if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
-        wxLogWarning(wxT("User value for immutable key '%s' ignored."),
-                   path.Name().c_str());
-      }
-     *pStr = wxConfigBase::ExpandEnvVars(*pStr);
-      return TRUE;
-    }
-    else {
-      // don't waste time - it's not there anyhow
-      bQueryGlobal = FALSE;
-    }
-  }
+    wxCHECK_MSG( pStr, FALSE, _T("wxRegConfig::Read(): NULL param") );
 
-  // first try local key
-  if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
-       (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
-    // nothing to do
-
-    *pStr = wxConfigBase::ExpandEnvVars(*pStr);
-    return TRUE;
-  }
-
-  return FALSE;
-}
-
-bool wxRegConfig::Read(const wxString& key, wxString *pStr,
-                       const wxString& szDefault) const
-{
   wxConfigPathChanger path(this, key);
 
   bool bQueryGlobal = TRUE;
@@ -605,25 +586,19 @@ bool wxRegConfig::Read(const wxString& key, wxString *pStr,
   // first try local key
   if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
-    *pStr = wxConfigBase::ExpandEnvVars(*pStr);
     return TRUE;
   }
-  else {
-    if ( IsRecordingDefaults() ) {
-      ((wxRegConfig*)this)->Write(key, szDefault);
-    }
-
-    // default value
-    *pStr = szDefault;
-  }
-
-  *pStr = wxConfigBase::ExpandEnvVars(*pStr);
 
   return FALSE;
 }
 
-bool wxRegConfig::Read(const wxString& key, long *plResult) const
+// this exactly reproduces the string version above except for ExpandEnvVars(),
+// we really should avoid this code duplication somehow...
+
+bool wxRegConfig::DoReadLong(const wxString& key, long *plResult) const
 {
+    wxCHECK_MSG( plResult, FALSE, _T("wxRegConfig::Read(): NULL param") );
+
   wxConfigPathChanger path(this, key);
 
   bool bQueryGlobal = TRUE;
@@ -650,10 +625,11 @@ bool wxRegConfig::Read(const wxString& key, long *plResult) const
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
     return TRUE;
   }
+
   return FALSE;
 }
 
-bool wxRegConfig::Write(const wxString& key, const wxString& szValue)
+bool wxRegConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
   wxConfigPathChanger path(this, key);
 
@@ -665,7 +641,7 @@ bool wxRegConfig::Write(const wxString& key, const wxString& szValue)
   return LocalKey().SetValue(path.Name(), szValue);
 }
 
-bool wxRegConfig::Write(const wxString& key, long lValue)
+bool wxRegConfig::DoWriteLong(const wxString& key, long lValue)
 {
   wxConfigPathChanger path(this, key);
 
@@ -691,34 +667,7 @@ bool wxRegConfig::RenameEntry(const wxString& oldName, const wxString& newName)
     if ( HasEntry(newName) )
         return FALSE;
 
-    // delete the old entry and create the new one - but do in the reverse
-    // order to not lose the data if Create() fails
-
-    bool ok;
-    if ( m_keyLocal.IsNumericValue(oldName) )
-    {
-        long val;
-        ok = m_keyLocal.QueryValue(oldName, &val) &&
-             m_keyLocal.SetValue(newName, val);
-    }
-    else
-    {
-        wxString val;
-        ok = m_keyLocal.QueryValue(oldName, val) &&
-             m_keyLocal.SetValue(newName, val);
-    }
-
-    if ( !ok )
-        return FALSE;
-
-    if ( !m_keyLocal.DeleteValue(oldName) )
-    {
-        m_keyLocal.DeleteValue(newName);
-
-        return FALSE;
-    }
-
-    return TRUE;
+    return m_keyLocal.RenameValue(oldName, newName);
 }
 
 bool wxRegConfig::RenameGroup(const wxString& oldName, const wxString& newName)
@@ -731,17 +680,13 @@ bool wxRegConfig::RenameGroup(const wxString& oldName, const wxString& newName)
     if ( HasGroup(newName) )
         return FALSE;
 
-    // TODO there is no way to rename a registry key - we must do a deep copy
-    //      ourselves
-    wxFAIL_MSG(wxT("Registry key renaming not implemented"));
-
-    return FALSE;
+    return wxRegKey(m_keyLocal, oldName).Rename(newName);
 }
 
 // ----------------------------------------------------------------------------
 // deleting
 // ----------------------------------------------------------------------------
-bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
+bool wxRegConfig::DeleteEntry(const wxString& value, bool WXUNUSED(bGroupIfEmptyAlso))
 {
   wxConfigPathChanger path(this, value);
 
@@ -751,7 +696,7 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
 
     if ( m_keyLocal.IsEmpty() ) {
       wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
-      SetPath("..");  // changes m_keyLocal
+      SetPath(_T(".."));  // changes m_keyLocal
       return LocalKey().DeleteKey(strKey);
     }
   }