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ios.hh

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 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 #include <vaucanson/config/system.hh>
00019 
00020 #if not defined (VCSN_XML_IOS_HH) and VCSN_INCLUDE_XML()
00021 # define VCSN_XML_IOS_HH
00022 
00023 # ifndef VCSN_USE_XML
00024 #  error Vaucanson XML support is disabled.
00025 # endif
00026 
00027 # include <xercesc/util/BinInputStream.hpp>
00028 # include <xercesc/sax/InputSource.hpp>
00029 # include <iostream>
00030 
00031 namespace vcsn
00032 {
00033     namespace xml
00034     {
00035       class BinCxxInputStream : public xercesc::BinInputStream
00036       {
00037       private:
00038         std::istream* _in;
00039         unsigned int _pos;
00040 
00041       public:
00042         BinCxxInputStream(std::istream* in) : _in(in), _pos(0) { }
00043         virtual unsigned int curPos() const;
00044         virtual unsigned readBytes (XMLByte *const toFill,
00045                                     const unsigned int maxToRead);
00046       };
00047 
00048       class CxxInputSource : public xercesc::InputSource
00049       {
00050       private:
00051         std::istream* _in;
00052 
00053       public:
00054         CxxInputSource(std::istream* in) : InputSource(), _in(in) {}
00055         virtual BinCxxInputStream* makeStream() const;
00056       };
00057     }
00058 }
00059 
00060 # include <vaucanson/xml/ios.hxx>
00061 
00062 #endif // ! VCSN_XML_IOS_HH && VCSN_INCLUDE_XML()

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