ulxr_xmlparse_base.h

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/***************************************************************************
                    ulxr_xmlparse_base.h  -  parse xml files
                             -------------------
    begin                : Fri Jan 09 2004
    copyright            : (C) 2002-2007 by Ewald Arnold
    email                : ulxmlrpcpp@ewald-arnold.de

    $Id: ulxr_xmlparse_base.h 940 2006-12-30 18:22:05Z ewald-arnold $

 ***************************************************************************/

/**************************************************************************
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 ***************************************************************************/

#ifndef ULXR_XMLPARSE_BASE
#define ULXR_XMLPARSE_BASE

#ifdef HAVE_XMLPARSE_H
#include <xmlparse.h>
#else
#include <expat.h>
#undef  XMLPARSEAPI
#define XMLPARSEAPI
#endif

#include <ulxmlrpcpp/ulxmlrpcpp.h>  // always first header

#include <stack>


namespace ulxr {


class ULXR_API_DECL0 XmlParserBase
{
 public:

   XmlParserBase();

   virtual ~XmlParserBase();

   bool isComplete() const;

   void setComplete(bool comp);

   virtual int parse(const char* buffer, int len, int isFinal) = 0;

   virtual unsigned getErrorCode() const = 0;

   virtual CppString getErrorString(unsigned code) const = 0;

   virtual int getCurrentLineNumber() const = 0;

   virtual int mapToFaultCode(int xpatcode) const = 0;

   enum State
   {
     eNone,               
     eUnknown,            
     eXmlParserLast       
   };

  class ULXR_API_DECL0 ParserState
  {
   public:

     ParserState (unsigned st);

     virtual ~ParserState();

     unsigned getParserState() const;

     unsigned getPrevParserState() const;

     void setPrevParserState(unsigned prev);

     virtual CppString getStateName() const;

     void appendCharData(const XML_Char *s, int len);

     void appendCharData(const std::string &s);

     CppString getCharData() const;

   private:

     ParserState(const ParserState&); // forbid this
     ParserState& operator= (const ParserState&);

     CppString  cdata;
     unsigned   state;
     unsigned   prevstate;
  };

 protected:

   void clearStates();

 protected:

   std::stack<ParserState*>  states;

 private:

   bool complete;
};


}  // namespace ulxr


#endif // ULXR_XMLPARSE_BASE

---