/*
 * 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.
 */
#if !defined(XALANUTF16TRANSCODER_HEADER_GUARD_1357924680)
#define XALANUTF16TRANSCODER_HEADER_GUARD_1357924680



// Base include file.  Must be first.
#include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>



// Base class header file...
#include <xalanc/PlatformSupport/XalanTranscodingServices.hpp>



XALAN_CPP_NAMESPACE_BEGIN



class XALAN_PLATFORMSUPPORT_EXPORT XalanUTF16Transcoder : public XalanOutputTranscoder
{
public:

    explicit
    XalanUTF16Transcoder(MemoryManager& theManager);

    static XalanUTF16Transcoder*
    create(MemoryManager& theManager);

    virtual
    ~XalanUTF16Transcoder();

    /**
     * Transcode data from UTF-16 to UTF-16.
     *
     * @param theSourceData The source data to transcode
     * @param theSourceCount The length of the source data.
     * @param theResult The error code, if any.
     * @param theTarget The target array for storing the transcoded data.
     * @param theTargetSize The number of characters that can be stored in the target.
     * @param theSourceCharsTranscoded The count of the source characters that were transcoded.
     * @param theTargetBytesUsed The number of characters stored in the target array
     * @return The result code.
     */
    virtual eCode
    transcode(
            const XalanDOMChar*     theSourceData,
            size_type                   theSourceCount,
            XalanXMLByte*           theTarget,
            size_type                   theTargetSize,
            size_type&                  theSourceCharsTranscoded,
            size_type&                  theTargetBytesUsed);

    /**
     * Transcode data from UTF-16 to UTF-16.
     *
     * @param theSourceData The source data to transcode
     * @param theSourceCount The length of the source data.
     * @param theResult The error code, if any.
     * @param theTarget The target array for storing the transcoded data.
     * @param theTargetSize The number of characters that can be stored in the target.
     * @param theSourceCharsTranscoded The count of the source characters that were transcoded.
     * @param theTargetBytesUsed The number of characters stored in the target array
     * @return The result code.
     */
    virtual eCode
    transcode(
            const XalanXMLByte*     theSourceData,
            size_type                   theSourceCount,
            XalanDOMChar*           theTarget,
            size_type                   theTargetSize,
            size_type&                  theSourceCharsTranscoded,
            size_type&                  theTargetBytesUsed,
            unsigned char*          theCharSizes);

    virtual bool
    canTranscodeTo(XalanUnicodeChar     theChar) const;

private:

    // Not implemented...
    XalanUTF16Transcoder(const XalanUTF16Transcoder&);

    XalanUTF16Transcoder&
    operator=(const XalanUTF16Transcoder&);
};



XALAN_CPP_NAMESPACE_END



#endif  // XALANUTF16TRANSCODER_HEADER_GUARD_1357924680
