landing string branch; see bug #73786

git-svn-id: svn://10.0.0.236/trunk@91049 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/string/src/nsSharableString.cpp

@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is Mozilla.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications.  Portions created by Netscape Communications are
+ * Copyright (C) 2001 by Netscape Communications.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s): 
+ *   Scott Collins <scc@mozilla.org> (original author)
+ */
+
+//-------1---------2---------3---------4---------5---------6---------7---------8
+
+#include "nsCommonString.h"
+// #include "nsBufferHandleUtils.h"
+
+void
+nsCommonString::assign( const string_type& aReadable )
+  {
+    const nsSharedBufferHandle<char_type>* handle = aReadable.GetSharedBufferHandle();
+    if ( !handle )
+      handle = NS_AllocateContiguousHandleWithData(handle, aReadable, 1);
+    mBuffer = handle;
+  }
+
+const nsSharedBufferHandle<PRUnichar>*
+nsCommonString::GetSharedBufferHandle() const
+  {
+    return mBuffer.get();
+  }
+
+void
+nsCommonCString::assign( const string_type& aReadable )
+  {
+    const nsSharedBufferHandle<char_type>* handle = aReadable.GetSharedBufferHandle();
+    if ( !handle )
+      handle = NS_AllocateContiguousHandleWithData(handle, aReadable, 1);
+    mBuffer = handle;
+  }
+
+const nsSharedBufferHandle<char>*
+nsCommonCString::GetSharedBufferHandle() const
+  {
+    return mBuffer.get();
+  }
+