Added GUI part of AppTraits for OS/2.

[wxWidgets.git] / src / msw / regconf.cpp

diff --git a/src/msw/regconf.cpp b/src/msw/regconf.cpp
index 4b9844cfbf6c361a8862e92da2e8b4b28a389d9a..c7b7a470e60c3648793b5cf8c65d2f16114c0591 100644 (file)
--- a/src/msw/regconf.cpp
+++ b/src/msw/regconf.cpp
@@ -6,10 +6,10 @@
 // Created:     27.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     27.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "regconf.h"
 #endif
 
 #pragma implementation "regconf.h"
 #endif
 


@@ -43,7 +43,7 @@
 // ----------------------------------------------------------------------------
 
 // we put our data in HKLM\SOFTWARE_KEY\appname
 // ----------------------------------------------------------------------------
 
 // we put our data in HKLM\SOFTWARE_KEY\appname

-#define SOFTWARE_KEY    wxString("Software\\")
+#define SOFTWARE_KEY    wxString(wxT("Software\\"))

 
 // ----------------------------------------------------------------------------
 // global functions
 
 // ----------------------------------------------------------------------------
 // global functions


@@ -124,7 +124,7 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
   m_keyLocal.ReserveMemoryForName(MEMORY_PREALLOC);
 
   m_keyLocalRoot.SetName(wxRegKey::HKCU, SOFTWARE_KEY + str);
   m_keyLocal.ReserveMemoryForName(MEMORY_PREALLOC);
 
   m_keyLocalRoot.SetName(wxRegKey::HKCU, SOFTWARE_KEY + str);

-  m_keyLocal.SetName(m_keyLocalRoot, _T(""));
+  m_keyLocal.SetName(m_keyLocalRoot, wxEmptyString);

 
   if ( bDoUseGlobal )
   {
 
   if ( bDoUseGlobal )
   {


@@ -134,7 +134,7 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
     m_keyGlobal.ReserveMemoryForName(MEMORY_PREALLOC);
 
     m_keyGlobalRoot.SetName(wxRegKey::HKLM, SOFTWARE_KEY + str);
     m_keyGlobal.ReserveMemoryForName(MEMORY_PREALLOC);
 
     m_keyGlobalRoot.SetName(wxRegKey::HKLM, SOFTWARE_KEY + str);

-    m_keyGlobal.SetName(m_keyGlobalRoot, _T(""));
+    m_keyGlobal.SetName(m_keyGlobalRoot, wxEmptyString);

   }
 
   // Create() will Open() if key already exists
   }
 
   // Create() will Open() if key already exists


@@ -221,7 +221,11 @@ void wxRegConfig::SetPath(const wxString& strPath)
         {
             strFullPath.reserve(2*m_strPath.length());
 
         {
             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
         }
 
         // simplify it: we need to handle ".." here


@@ -241,7 +245,8 @@ void wxRegConfig::SetPath(const wxString& strPath)
         size_t len = strFullPath.length();
         const wxChar *end = src + len;
 
         size_t len = strFullPath.length();
         const wxChar *end = src + len;
 

-        wxChar *dst = m_strPath.GetWriteBuf(len);
+        wxStringBufferLength buf(m_strPath, len);
+        wxChar *dst = buf;

         wxChar *start = dst;
 
         for ( ; src < end; src++, dst++ )
         wxChar *start = dst;
 
         for ( ; src < end; src++, dst++ )


@@ -270,6 +275,7 @@ void wxRegConfig::SetPath(const wxString& strPath)
                             // check the boundary condition below
 
                             // this is more efficient than strrchr()
                             // check the boundary condition below
 
                             // this is more efficient than strrchr()

+                            dst--;

                             while ( *dst != wxCONFIG_PATH_SEPARATOR )
                             {
                                 dst--;
                             while ( *dst != wxCONFIG_PATH_SEPARATOR )
                             {
                                 dst--;


@@ -284,10 +290,13 @@ void wxRegConfig::SetPath(const wxString& strPath)
                             posLastSlash = -1;
                         }
 
                             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") );
 
                         wxASSERT_MSG( *dst == wxCONFIG_PATH_SEPARATOR,
                                       _T("error in wxRegConfig::SetPath") );
 

+                        // stay at the same position
+                        dst--;
+

                         // we killed one
                         totalSlashes--;
                     }
                         // we killed one
                         totalSlashes--;
                     }


@@ -305,8 +314,12 @@ void wxRegConfig::SetPath(const wxString& strPath)
 
                         totalSlashes++;
                     }
 
                         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
                 }
             }
             else // normal character


@@ -325,8 +338,7 @@ void wxRegConfig::SetPath(const wxString& strPath)
         }
 
         *dst = _T('\0');
         }
 
         *dst = _T('\0');

-
-        m_strPath.UngetWriteBuf(dst - start);
+        buf.SetLength(dst - start);

     }
 
 #ifdef WX_DEBUG_SET_PATH
     }
 
 #ifdef WX_DEBUG_SET_PATH


@@ -338,21 +350,25 @@ void wxRegConfig::SetPath(const wxString& strPath)
 
     // registry APIs want backslashes instead of slashes
     wxString strRegPath;
 
     // 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();
+        wxStringBufferLength buf(strRegPath, len);
+        wxChar *dst = buf;

 
 

-    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);
+        buf.SetLength(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
 
     // 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


@@ -543,44 +559,10 @@ wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
 // reading/writing
 // ----------------------------------------------------------------------------
 
 // 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;
-    }
-  }
-
-  // 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;
-}
+    wxCHECK_MSG( pStr, FALSE, _T("wxRegConfig::Read(): NULL param") );

 
 

-bool wxRegConfig::Read(const wxString& key, wxString *pStr,
-                       const wxString& szDefault) const
-{

   wxConfigPathChanger path(this, key);
 
   bool bQueryGlobal = TRUE;
   wxConfigPathChanger path(this, key);
 
   bool bQueryGlobal = TRUE;


@@ -605,25 +587,19 @@ 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)) ) {
   // 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;
   }
     return TRUE;
   }

-  else {
-    if ( IsRecordingDefaults() ) {
-      ((wxRegConfig*)this)->Write(key, szDefault);
-    }
-
-    // default value
-    *pStr = szDefault;
-  }
-
-  *pStr = wxConfigBase::ExpandEnvVars(*pStr);

 
   return FALSE;
 }
 
 
   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;
   wxConfigPathChanger path(this, key);
 
   bool bQueryGlobal = TRUE;


@@ -650,10 +626,11 @@ bool wxRegConfig::Read(const wxString& key, long *plResult) const
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
     return TRUE;
   }
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
     return TRUE;
   }

+

   return FALSE;
 }
 
   return FALSE;
 }
 

-bool wxRegConfig::Write(const wxString& key, const wxString& szValue)
+bool wxRegConfig::DoWriteString(const wxString& key, const wxString& szValue)

 {
   wxConfigPathChanger path(this, key);
 
 {
   wxConfigPathChanger path(this, key);
 


@@ -665,7 +642,7 @@ bool wxRegConfig::Write(const wxString& key, const wxString& szValue)
   return LocalKey().SetValue(path.Name(), 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);
 
 {
   wxConfigPathChanger path(this, key);
 


@@ -691,34 +668,7 @@ bool wxRegConfig::RenameEntry(const wxString& oldName, const wxString& newName)
     if ( HasEntry(newName) )
         return FALSE;
 
     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)
 }
 
 bool wxRegConfig::RenameGroup(const wxString& oldName, const wxString& newName)


@@ -731,11 +681,7 @@ bool wxRegConfig::RenameGroup(const wxString& oldName, const wxString& newName)
     if ( HasGroup(newName) )
         return FALSE;
 
     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);

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


@@ -751,7 +697,7 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool WXUNUSED(bGroupIfEmpty
 
     if ( m_keyLocal.IsEmpty() ) {
       wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
 
     if ( m_keyLocal.IsEmpty() ) {
       wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);

-      SetPath("..");  // changes m_keyLocal
+      SetPath(_T(".."));  // changes m_keyLocal

       return LocalKey().DeleteKey(strKey);
     }
   }
       return LocalKey().DeleteKey(strKey);
     }
   }