try to clear the device/logical unit fog; remove unused and unsupported (an assertion...

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

diff --git a/src/msw/regconf.cpp b/src/msw/regconf.cpp
index 4684ba918867d222c0e6ac1e1dcb943b18bae9fe..363987830b781998034fb8baf9d8c0e4e1088e53 100644 (file)
--- a/src/msw/regconf.cpp
+++ b/src/msw/regconf.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        msw/regconf.cpp
+// Name:        src/msw/regconf.cpp
 // Purpose:
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -13,22 +13,21 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-  #include  "wx/string.h"
-  #include  "wx/intl.h"
-#endif //WX_PRECOMP
-
-#include "wx/event.h"
-#include "wx/app.h"
-#include "wx/log.h"
-
-#if wxUSE_CONFIG
+#if wxUSE_CONFIG && wxUSE_REGKEY
 
 #include "wx/config.h"
 
+#ifndef WX_PRECOMP
+    #include  "wx/string.h"
+    #include  "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/event.h"
+    #include "wx/app.h"
+#endif //WX_PRECOMP
+
 #include "wx/msw/registry.h"
 #include "wx/msw/regconf.h"
 
@@ -54,6 +53,11 @@ bool TryGetValue(const wxRegKey& key, const wxString& str, long *plVal)
   return key.IsOpened() && key.HasValue(str) && key.QueryValue(str, plVal);
 }
 
+bool TryGetValue(const wxRegKey& key, const wxString& str, wxMemoryBuffer &plVal)
+{
+  return key.IsOpened() && key.HasValue(str) && key.QueryValue(str, plVal);
+}
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -61,6 +65,7 @@ bool TryGetValue(const wxRegKey& key, const wxString& str, long *plVal)
 // ----------------------------------------------------------------------------
 // ctor/dtor
 // ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxRegConfig, wxConfigBase)
 
 // create the config object which stores its data under HKCU\vendor\app and, if
 // style & wxCONFIG_USE_GLOBAL_FILE, under HKLM\vendor\app
@@ -76,9 +81,9 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
   // the convention is to put the programs keys under <vendor>\<appname>
   // (but it can be overriden by specifying the pathes explicitly in strLocal
   // and/or strGlobal)
-  if ( strLocal.IsEmpty() || (strGlobal.IsEmpty() && bDoUseGlobal) )
+  if ( strLocal.empty() || (strGlobal.empty() && bDoUseGlobal) )
   {
-    if ( vendorName.IsEmpty() )
+    if ( vendorName.empty() )
     {
       if ( wxTheApp )
         strRoot = wxTheApp->GetVendorName();
@@ -89,12 +94,12 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
     }
 
     // no '\\' needed if no vendor name
-    if ( !strRoot.IsEmpty() )
+    if ( !strRoot.empty() )
     {
       strRoot += '\\';
     }
 
-    if ( appName.IsEmpty() )
+    if ( appName.empty() )
     {
       wxCHECK_RET( wxTheApp, wxT("No application name in wxRegConfig ctor!") );
       strRoot << wxTheApp->GetAppName();
@@ -106,7 +111,7 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
   }
   //else: we don't need to do all the complicated stuff above
 
-  wxString str = strLocal.IsEmpty() ? strRoot : strLocal;
+  wxString str = strLocal.empty() ? strRoot : strLocal;
 
   // as we're going to change the name of these keys fairly often and as
   // there are only few of wxRegConfig objects (usually 1), we can allow
@@ -122,7 +127,7 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
 
   if ( bDoUseGlobal )
   {
-    str = strGlobal.IsEmpty() ? strRoot : strGlobal;
+    str = strGlobal.empty() ? strRoot : strGlobal;
 
     m_keyGlobalRoot.ReserveMemoryForName(MEMORY_PREALLOC);
     m_keyGlobal.ReserveMemoryForName(MEMORY_PREALLOC);
@@ -171,7 +176,7 @@ void wxRegConfig::SetPath(const wxString& strPath)
 
         // because GetPath() returns "" when we're at root, we must understand
         // empty string as "/"
-        if ( strPath.IsEmpty() || (strPath[0] == wxCONFIG_PATH_SEPARATOR) ) {
+        if ( strPath.empty() || (strPath[0] == wxCONFIG_PATH_SEPARATOR) ) {
             // absolute path
             wxSplitPath(aParts, strPath);
         }
@@ -620,6 +625,40 @@ bool wxRegConfig::DoReadLong(const wxString& key, long *plResult) const
   return false;
 }
 
+bool wxRegConfig::DoReadBinary(const wxString& key, wxMemoryBuffer *buf) const
+{
+    wxCHECK_MSG( buf, false, _T("wxRegConfig::Read(): NULL param") );
+
+  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(), *buf) ) {
+      if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
+        wxLogWarning(wxT("User value for immutable key '%s' ignored."),
+                   path.Name().c_str());
+      }
+
+      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(), *buf)) ||
+       (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *buf)) ) {
+    return true;
+  }
+
+  return false;
+}
+
 bool wxRegConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
   wxConfigPathChanger path(this, key);
@@ -644,6 +683,18 @@ bool wxRegConfig::DoWriteLong(const wxString& key, long lValue)
   return LocalKey().SetValue(path.Name(), lValue);
 }
 
+bool wxRegConfig::DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf)
+{
+  wxConfigPathChanger path(this, key);
+
+  if ( IsImmutable(path.Name()) ) {
+    wxLogError(wxT("Can't change immutable entry '%s'."), path.Name().c_str());
+    return false;
+  }
+
+  return LocalKey().SetValue(path.Name(), buf);
+}
+
 // ----------------------------------------------------------------------------
 // renaming
 // ----------------------------------------------------------------------------
@@ -698,9 +749,20 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
 
 bool wxRegConfig::DeleteGroup(const wxString& key)
 {
-  wxConfigPathChanger path(this, key);
+  wxConfigPathChanger path(this, RemoveTrailingSeparator(key));
 
-  return m_keyLocal.Exists() ? LocalKey().DeleteKey(path.Name()) : true;
+  if ( !m_keyLocal.Exists() )
+  {
+      // nothing to do
+      return true;
+  }
+
+  if ( !LocalKey().DeleteKey(path.Name()) )
+      return false;
+
+  path.UpdateIfDeleted();
+
+  return true;
 }
 
 bool wxRegConfig::DeleteAll()
@@ -718,5 +780,4 @@ bool wxRegConfig::DeleteAll()
   return bOk;
 }
 
-#endif
-  // wxUSE_CONFIG
+#endif // wxUSE_CONFIG && wxUSE_REGKEY