## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.6

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# XalanOutputStream.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
    00003  *
    00004  *
    00005  * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
    00006  * reserved.
    00007  *
    00008  * Redistribution and use in source and binary forms, with or without
    00009  * modification, are permitted provided that the following conditions
    00010  * are met:
    00011  *
    00012  * 1. Redistributions of source code must retain the above copyright
    00013  *    notice, this list of conditions and the following disclaimer.
    00014  *
    00015  * 2. Redistributions in binary form must reproduce the above copyright
    00016  *    notice, this list of conditions and the following disclaimer in
    00017  *    the documentation and/or other materials provided with the
    00018  *    distribution.
    00019  *
    00020  * 3. The end-user documentation included with the redistribution,
    00021  *    if any, must include the following acknowledgment:
    00022  *       "This product includes software developed by the
    00023  *        Apache Software Foundation (http://www.apache.org/)."
    00024  *    Alternately, this acknowledgment may appear in the software itself,
    00025  *    if and wherever such third-party acknowledgments normally appear.
    00026  *
    00027  * 4. The names "Xalan" and "Apache Software Foundation" must
    00028  *    not be used to endorse or promote products derived from this
    00029  *    software without prior written permission. For written
    00030  *    permission, please contact apache@apache.org.
    00031  *
    00032  * 5. Products derived from this software may not be called "Apache",
    00033  *    nor may "Apache" appear in their name, without prior written
    00034  *    permission of the Apache Software Foundation.
    00035  *
    00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    00044  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00047  * SUCH DAMAGE.
    00048  * ====================================================================
    00049  *
    00050  * This software consists of voluntary contributions made by many
    00051  * individuals on behalf of the Apache Software Foundation and was
    00052  * originally based on software copyright (c) 1999, International
    00053  * Business Machines, Inc., http://www.ibm.com.  For more
    00054  * information on the Apache Software Foundation, please see
    00055  * <http://www.apache.org/>.
    00056  */
    00057 #if !defined(XALANOUTPUTSTREAM_HEADER_GUARD_1357924680)
    00058 #define XALANOUTPUTSTREAM_HEADER_GUARD_1357924680
    00059
    00060
    00061
    00062 // Base include file.  Must be first.
    00063 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
    00064
    00065
    00066
    00067 #include <vector>
    00068
    00069
    00070
    00071 #include <xalanc/XalanDOM/XalanDOMString.hpp>
    00072
    00073
    00074
    00075 #include <xalanc/PlatformSupport/XSLException.hpp>
    00076
    00077
    00078
    00079 XALAN_CPP_NAMESPACE_BEGIN
    00080
    00081
    00082
    00083 class XalanOutputTranscoder;
    00084
    00085
    00086
    00087 class XALAN_PLATFORMSUPPORT_EXPORT XalanOutputStream
    00088 {
    00089 public :
    00090
    00091     enum { eDefaultBufferSize = 512, eDefaultTranscoderBlockSize = 1024 };
    00092
    00093
    00094 #if defined(XALAN_NO_STD_NAMESPACE)
    00095     typedef vector<XalanDOMChar>        BufferType;
    00096
    00097     typedef vector<char>                TranscodeVectorType;
    00098 #else
    00099     typedef std::vector<XalanDOMChar>   BufferType;
    00100
    00101     typedef std::vector<char>           TranscodeVectorType;
    00102 #endif
    00103
    00104     typedef BufferType::size_type   size_type;
    00105
    00113     explicit
    00114     XalanOutputStream(
    00115             BufferType::size_type           theBufferSize = eDefaultBufferSize,
    00116             TranscodeVectorType::size_type  theTranscoderBlockSize = eDefaultTranscoderBlockSize,
    00117             bool                            fThrowTranscodeException = true);
    00118
    00119     virtual
    00120     ~XalanOutputStream();
    00121
    00122     static const XalanDOMChar*
    00123     defaultNewlineString()
    00124     {
    00125 #if defined(XALAN_NEWLINE_IS_CRLF)
    00126         return s_nlCRString;
    00127 #else
    00128         return s_nlString;
    00129 #endif
    00130     }
    00131
    00135     virtual void
    00136     newline();
    00137
    00141     virtual const XalanDOMChar*
    00142     getNewlineString() const;
    00143
    00147     void
    00148     flush()
    00149     {
    00150         flushBuffer();
    00151
    00152         doFlush();
    00153     }
    00154
    00161     void
    00162     write(char  theChar)
    00163     {
    00164         write(&theChar, 1);
    00165     }
    00166
    00173     void
    00174     write(XalanDOMChar  theChar)
    00175     {
    00176         assert(m_bufferSize > 0);
    00177
    00178         if (m_buffer.size() == m_bufferSize)
    00179         {
    00180             flushBuffer();
    00181         }
    00182
    00183         m_buffer.push_back(theChar);
    00184     }
    00185
    00193     void
    00194     write(const char*   theBuffer)
    00195     {
    00196         assert(theBuffer != 0);
    00197         assert(m_buffer.empty() == true);
    00198
    00199         write(theBuffer, length(theBuffer));
    00200     }
    00201
    00208     void
    00209     write(const XalanDOMChar*   theBuffer)
    00210     {
    00211         write(theBuffer, length(theBuffer));
    00212     }
    00213
    00222     void
    00223     write(
    00224             const char*     theBuffer,
    00225             size_type       theBufferLength)
    00226     {
    00227         assert(theBuffer != 0);
    00228         assert(m_buffer.empty() == true);
    00229
    00230         writeData(theBuffer,
    00231                   theBufferLength);
    00232     }
    00233
    00241     void
    00242     write(
    00243             const XalanDOMChar*     theBuffer,
    00244             size_type               theBufferLength);
    00245
    00251     const XalanDOMString&
    00252     getOutputEncoding() const
    00253     {
    00254         return m_encoding;
    00255     }
    00256
    00262     void
    00263     setOutputEncoding(const XalanDOMString&     theEncoding);
    00264
    00271     bool
    00272     canTranscodeTo(unsigned int     theChar) const;
    00273
    00274     const XalanOutputTranscoder*
    00275     getTranscoder() const
    00276     {
    00277         return m_transcoder;
    00278     }
    00279
    00289     bool
    00290     getThrowTranscodeException() const
    00291     {
    00292         return m_throwTranscodeException;
    00293     }
    00294
    00304     void
    00305     setThrowTranscodeException(bool flag)
    00306     {
    00307         m_throwTranscodeException = flag;
    00308     }
    00309
    00315     void
    00316     setBufferSize(BufferType::size_type     theBufferSize);
    00317
    00318
    00319     class XALAN_PLATFORMSUPPORT_EXPORT XalanOutputStreamException : public XSLException
    00320     {
    00321     public:
    00322
    00323         XalanOutputStreamException(
    00324             const XalanDOMString&   theMessage,
    00325             const XalanDOMString&   theType);
    00326
    00327         virtual
    00328         ~XalanOutputStreamException();
    00329     };
    00330
    00331     class XALAN_PLATFORMSUPPORT_EXPORT UnknownEncodingException : public XalanOutputStreamException
    00332     {
    00333     public:
    00334
    00335         explicit
    00336         UnknownEncodingException();
    00337
    00338         virtual
    00339         ~UnknownEncodingException();
    00340     };
    00341
    00342     class XALAN_PLATFORMSUPPORT_EXPORT UnsupportedEncodingException : public XalanOutputStreamException
    00343     {
    00344     public:
    00345
    00346         UnsupportedEncodingException(const XalanDOMString&  theEncoding);
    00347
    00348         virtual
    00349         ~UnsupportedEncodingException();
    00350
    00351         const XalanDOMString&
    00352         getEncoding() const
    00353         {
    00354             return m_encoding;
    00355         }
    00356
    00357     private:
    00358
    00359         const XalanDOMString    m_encoding;
    00360     };
    00361
    00362     class XALAN_PLATFORMSUPPORT_EXPORT TranscoderInternalFailureException : public XalanOutputStreamException
    00363     {
    00364     public:
    00365
    00366         TranscoderInternalFailureException(const XalanDOMString&    theEncoding);
    00367
    00368         virtual
    00369         ~TranscoderInternalFailureException();
    00370
    00371         const XalanDOMString&
    00372         getEncoding() const
    00373         {
    00374             return m_encoding;
    00375         }
    00376
    00377     private:
    00378
    00379         const XalanDOMString    m_encoding;
    00380     };
    00381
    00382     class XALAN_PLATFORMSUPPORT_EXPORT TranscodingException : public XalanOutputStreamException
    00383     {
    00384     public:
    00385
    00386         explicit
    00387         TranscodingException();
    00388
    00389         virtual
    00390         ~TranscodingException();
    00391     };
    00392
    00393 protected:
    00394
    00402     void
    00403     transcode(
    00404             const XalanDOMChar*     theBuffer,
    00405             size_type               theBufferLength,
    00406             TranscodeVectorType&    theDestination);
    00407
    00414     virtual void
    00415     writeData(
    00416             const char*     theBuffer,
    00417             size_type       theBufferLength) = 0;
    00418
    00422     virtual void
    00423     doFlush() = 0;
    00424
    00425     static const XalanDOMChar               s_nlString[];
    00426     static const XalanDOMChar               s_nlCRString[];
    00427
    00428     static const XalanDOMString::size_type  s_nlStringLength;
    00429     static const XalanDOMString::size_type  s_nlCRStringLength;
    00430
    00431 private:
    00432
    00433     // These are not implemented...
    00434     XalanOutputStream(const XalanOutputStream&);
    00435
    00436     XalanOutputStream&
    00437     operator=(const XalanOutputStream&);
    00438
    00439     bool
    00440     operator==(const XalanOutputStream&) const;
    00441
    00442     // Utility functions...
    00443     void
    00444     flushBuffer();
    00445
    00446     void
    00447     doWrite(
    00448             const XalanDOMChar*     theBuffer,
    00449             size_t                  theBufferLength);
    00450
    00451
    00452     const TranscodeVectorType::size_type    m_transcoderBlockSize;
    00453
    00454     XalanOutputTranscoder*                  m_transcoder;
    00455
    00456     BufferType::size_type                   m_bufferSize;
    00457
    00458     BufferType                              m_buffer;
    00459
    00460     XalanDOMString                          m_encoding;
    00461
    00462     bool                                    m_writeAsUTF16;
    00463
    00464     bool                                    m_throwTranscodeException;
    00465
    00466     TranscodeVectorType                     m_transcodingBuffer;
    00467 };
    00468
    00469
    00470
    00471 XALAN_CPP_NAMESPACE_END
    00472
    00473
    00474
    00475 #endif  // XALANOUTPUTSTREAM_HEADER_GUARD_1357924680

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Xalan-C++ XSLT Processor Version 1.6 Copyright © 2000, 2001, 2002, 2003 The Apache Software Foundation. All Rights Reserved.