XSLTResultTarget.hpp

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/*
 * 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(XALAN_XSLTRESULTTARGET_HEADER_GUARD)
#define XALAN_XSLTRESULTTARGET_HEADER_GUARD
 
// Base include file.  Must be first.
#include "XSLTDefinitions.hpp"
 
 
 
#include <cstdio>
#include <iosfwd>
 
 
 
#include <xalanc/XalanDOM/XalanDOMString.hpp>
 
 
 
namespace XALAN_CPP_NAMESPACE {
 
 
 
class FormatterListener;
class Writer;
 
 
 
class XALAN_XSLT_EXPORT XSLTResultTarget
{
public:
 
    typedef std::ostream    StreamType;
 
    typedef std::FILE   FILE;
 
 
    explicit
    XSLTResultTarget(MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a file name.
     *
     * @param fileName valid system file name
     */
    XSLTResultTarget(const XalanDOMString&  fileName,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a file name.
     *
     * @param fileName valid system file name
     */
    XSLTResultTarget(const XalanDOMChar*    fileName,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a file name.
     *
     * @param fileName valid system file name
     */
    XSLTResultTarget(const char*    fileName,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a stream.
     *
     * @param byteStream a pointer to a std ostream for the output
     */
    XSLTResultTarget(StreamType*    theStream,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a stream.
     *
     * @param byteStream a reference to a std ostream for the output
     */
    XSLTResultTarget(StreamType&    theStream,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a character stream.
     *
     * @param characterStream pointer to character stream where the results
     *                        will be written
     */ 
    XSLTResultTarget(Writer*    characterStream,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a stream.
     *
     * @param characterStream pointer to character stream where the results
     *                        will be written
     */ 
    XSLTResultTarget(FILE*  characterStream,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    /**
     * Create a new output target with a FormatterListener.
     *
     * @param flistener A FormatterListener instance for result tree events.
     */
    XSLTResultTarget(FormatterListener&     flistener,
                    MemoryManager& theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
 
    XSLTResultTarget(const XSLTResultTarget& other,
                    MemoryManager&      theManager XALAN_DEFAULT_CONSTRUCTOR_MEMMGR);
    ~XSLTResultTarget();
 
    /**
     * Set the file name where the results will be written.
     *
     * @param fileName system identifier as a string
     */
    void
    setFileName(const char*     fileName)
    {
        if (fileName == 0)
        {
            m_fileName.clear();
        }
        else
        {
            m_fileName = fileName;
        }
    }
 
    /**
     * Set the file name where the results will be written.
     *
     * @param fileName system identifier as a string
     */
    void
    setFileName(const XalanDOMString&   fileName)
    {
        m_fileName = fileName;
    }
 
    /**
     * Get the file name where the results will be written to.
     * 
     * @return file name string
     */
    const XalanDOMString&
    getFileName() const
    {
        return m_fileName;
    }
 
    /**
     * Set the byte stream for this output target.
     *
     * @param byteStream pointer to byte stream that will contain the result
     *                   document
     */
    void
    setByteStream(StreamType*           byteStream)
    {
        m_byteStream = byteStream;
    }
 
    /**
     * Get the byte stream for this output target.
     *
     * @return pointer to byte stream, or null if none was supplied.
     */
    StreamType*
    getByteStream() const
    {
        return m_byteStream;
    }
 
    /** 
     * Set the character encoding, if known.
     *
     * @param encoding new encoding string
     */
    void
    setEncoding(const XalanDOMChar*     encoding)
    {
        if (encoding == 0)
        {
            m_encoding.clear();
        }
        else
        {
            m_encoding = encoding;
        }
    }
 
    /** 
     * Set the character encoding, if known.
     *
     * @param encoding new encoding string
     */
    void
    setEncoding(const XalanDOMString&   encoding)
    {
        m_encoding = encoding;
    }
 
    /**
     * Get the character encoding in use.
     *
     * @return encoding string, or empty string if none was supplied.
     */
    const XalanDOMString&
    getEncoding() const
    {
        return m_encoding;
    }
 
    /**
     * Set the character stream for this output target.
     *
     * @param characterStream pointer to character stream that will contain 
     *                        the result document
     */
    void
    setCharacterStream(Writer*  characterStream)
    {
        m_characterStream = characterStream;
    }
 
    /**
     * Get the character stream for this output target.
     *
     * @return pointer to character stream, or null if none was supplied.
     */
    Writer*
    getCharacterStream() const
    {
        return m_characterStream;
    }
 
    /**
     * Get the stream for this output target.
     *
     * @return pointer to stream, or null if none was supplied.
     */
    FILE*
    getStream() const
    {
        return m_stream;
    }
 
    /**
     * Set the stream for this output target.
     *
     * @theStream pointer to stream.
     */
    void
    setStream(FILE*     theStream)
    {
        m_stream = theStream;
    }
 
    /**
     * Set a FormatterListener to process the result tree events.
     *
     * @param handler pointer to new listener
     */
    void
    setFormatterListener(FormatterListener*     handler)
    {
        m_formatterListener = handler;
    }
 
    /**
     * Get the FormatterListener that will process the result tree events.
     *
     * @return pointer to new listener
     */
    FormatterListener*
    getFormatterListener() const
    {
        return m_formatterListener;
    }
 
private:
 
#if defined(XALAN_DEVELOPMENT)
    XSLTResultTarget();
    XSLTResultTarget(const XSLTResultTarget&);
#endif
 
    XalanDOMString          m_fileName;
 
    StreamType*             m_byteStream;
 
    XalanDOMString          m_encoding;
 
    Writer*                 m_characterStream;
 
    FormatterListener*      m_formatterListener;
 
    FILE*                   m_stream;
};
 
 
 
}
 
 
 
#endif  // XALAN_XSLTRESULTTARGET_HEADER_GUARD