secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/XML256TableTranscoder.hpp
changeset 0 ba25891c3a9e
child 1 c42dffbd5b4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/XML256TableTranscoder.hpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,163 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (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.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * $Id: XML256TableTranscoder.hpp 568078 2007-08-21 11:43:25Z amassari $
+ */
+
+
+#ifndef XML256TABLETRANSCODER_HPP
+#define XML256TABLETRANSCODER_HPP
+
+#include <xercesc/util/TransService.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+//
+//  This class implements the functionality of a common type of transcoder
+//  for an 8 bit, single byte encoding based on a set of 'to' and 'from'
+//  translation tables. Actual derived classes are trivial and just have to
+//  provide us with pointers to their tables and we do all the work.
+//
+class XMLUTIL_EXPORT XML256TableTranscoder : public XMLTranscoder
+{
+public :
+    // -----------------------------------------------------------------------
+    //  Public constructors and destructor
+    // -----------------------------------------------------------------------
+    virtual ~XML256TableTranscoder();
+
+
+    // -----------------------------------------------------------------------
+    //  The virtual transcoding interface
+    // -----------------------------------------------------------------------
+    virtual unsigned int transcodeFrom
+    (
+        const   XMLByte* const          srcData
+        , const unsigned int            srcCount
+        ,       XMLCh* const            toFill
+        , const unsigned int            maxChars
+        ,       unsigned int&           bytesEaten
+        ,       unsigned char* const    charSizes
+    );
+
+    virtual unsigned int transcodeTo
+    (
+        const   XMLCh* const    srcData
+        , const unsigned int    srcCount
+        ,       XMLByte* const  toFill
+        , const unsigned int    maxBytes
+        ,       unsigned int&   charsEaten
+        , const UnRepOpts       options
+    );
+
+    virtual bool canTranscodeTo
+    (
+        const   unsigned int    toCheck
+    )   const;
+
+
+protected :
+    // -----------------------------------------------------------------------
+    //  Hidden constructors
+    // -----------------------------------------------------------------------
+    XML256TableTranscoder
+    (
+        const   XMLCh* const                        encodingName
+        , const unsigned int                        blockSize
+        , const XMLCh* const                        fromTable
+        , const XMLTransService::TransRec* const    toTable
+        , const unsigned int                        toTableSize
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
+    );
+
+
+    // -----------------------------------------------------------------------
+    //  Protected helper methods
+    // -----------------------------------------------------------------------
+    XMLByte xlatOneTo
+    (
+        const   XMLCh       toXlat
+    )   const;
+
+
+private :
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    XML256TableTranscoder();
+    XML256TableTranscoder(const XML256TableTranscoder&);
+    XML256TableTranscoder& operator=(const XML256TableTranscoder&);
+
+
+    // -----------------------------------------------------------------------
+    //  Private data members
+    //
+    //  fFromTable
+    //      This is the 'from' table that we were given during construction.
+    //      It is a 256 entry table of XMLCh chars. Each entry is the
+    //      Unicode code point for the external encoding point of that value.
+    //      So fFromTable[N] is the Unicode translation of code point N of
+    //      the source encoding.
+    //
+    //      We don't own this table, we just refer to it. It is assumed that
+    //      the table is static, for performance reasons.
+    //
+    //  fToSize
+    //      The 'to' table is variable sized. This indicates how many records
+    //      are in it.
+    //
+    //  fToTable
+    //      This is a variable sized table of TransRec structures. It must
+    //      be sorted by the intCh field, i.e. the XMLCh field. It is searched
+    //      binarily to find the record for a particular Unicode char. Then
+    //      that record's extch field is the translation record.
+    //
+    //      We don't own this table, we just refer to it. It is assumed that
+    //      the table is static, for performance reasons.
+    //
+    //      NOTE: There may be dups of the extCh field, since there might be
+    //      multiple Unicode code points which map to the same external code
+    //      point. Normally this won't happen, since the parser assumes that
+    //      internalization is normalized, but we have to be prepared to do
+    //      the right thing if some client code gives us non-normalized data
+    //      itself.
+    // -----------------------------------------------------------------------
+    const XMLCh*                        fFromTable;
+    unsigned int                        fToSize;
+    const XMLTransService::TransRec*    fToTable;
+};
+
+XERCES_CPP_NAMESPACE_END
+
+#endif