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# ios.hh

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    00001 // ios.hh: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 2004, 2005, 2006, 2008, 2009 The Vaucanson Group.
    00006 //
    00007 // This program is free software; you can redistribute it and/or
    00008 // modify it under the terms of the GNU General Public License
    00009 // as published by the Free Software Foundation; either version 2
    00010 // of the License, or (at your option) any later version.
    00011 //
    00012 // The complete GNU General Public Licence Notice can be found as the
    00013 // `COPYING' file in the root directory.
    00014 //
    00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
    00016 //
    00017
    00018 #ifndef VCSN_XML_INTERNAL_IOS_HH
    00019 # define VCSN_XML_INTERNAL_IOS_HH
    00020
    00029 # include <iostream>
    00030
    00031 # include <xercesc/dom/DOM.hpp>
    00032 # include <xercesc/util/BinInputStream.hpp>
    00033 # include <xercesc/sax/InputSource.hpp>
    00034 # include <xercesc/framework/XMLFormatter.hpp>
    00035
    00037 # if (XERCES_VERSION_MAJOR == 2)
    00038 #  define XMLSize_t unsigned int
    00039 #  define XERCES_FILEPOS XMLSize_t
    00040 # elif (XERCES_VERSION_MAJOR > 2)
    00041 #  define XERCES_FILEPOS XMLFilePos
    00042 # else
    00043 #  error "Unsupported Xerces-C++ major version (too old)."
    00044 # endif
    00045
    00046 XERCES_CPP_NAMESPACE_BEGIN
    00047
    00055 template<class Ostream>
    00056 class XMLPARSER_EXPORT XMLXercesStream : public XMLFormatTarget
    00057 {
    00058 public:
    00059
    00062   XMLXercesStream(std::ostream& os) : os_(os) {};
    00063   ~XMLXercesStream() {};
    00065
    00069   virtual void writeChars(const XMLByte* const toWrite,
    00070                           const XMLSize_t,
    00071                           XMLFormatter* const);
    00072
    00073   virtual void flush() {};
    00074
    00075 private:
    00079   XMLXercesStream(const XMLXercesStream&);
    00080   XMLXercesStream& operator=(const XMLXercesStream&);
    00081
    00082   Ostream&      os_;
    00083 };
    00084
    00085 XERCES_CPP_NAMESPACE_END
    00086
    00087 namespace vcsn
    00088 {
    00089   namespace xml
    00090   {
    00091     class BinCxxInputStream : public xercesc::BinInputStream
    00092     {
    00093     private:
    00094       std::istream* _in;
    00095       unsigned int _pos;
    00096
    00097     public:
    00098       BinCxxInputStream(std::istream* in) : _in(in), _pos(0) { }
    00099       virtual XERCES_FILEPOS curPos() const;
    00100       virtual XMLSize_t readBytes(XMLByte *const toFill,
    00101                                   const XMLSize_t maxToRead);
    00102       virtual const XMLCh* getContentType () const { return 0; }
    00103     };
    00104
    00105     class CxxInputSource : public xercesc::InputSource
    00106     {
    00107     private:
    00108       std::istream* _in;
    00109
    00110     public:
    00111       CxxInputSource(std::istream* in) : InputSource(), _in(in) {}
    00112       virtual BinCxxInputStream* makeStream() const;
    00113     };
    00114
    00115     void print_xml(std::ostream& out,
    00116                    xercesc::DOMImplementation* impl,
    00117                    xercesc::DOMElement* root);
    00118
    00119   } // ! xml
    00120
    00121 } // ! vcsn
    00122
    00123 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00124 # include <vaucanson/xml/internal/ios.hxx>
    00125 # endif // !VCSN_USE_INTERFACE_ONLY || VCSN_USE_LIB
    00126
    00127 #endif // ! VCSN_XML_IOS_HH