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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* macroheaderparser.h
*
* Wed Jul 22 08:42:23 CEST 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Pracro 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 General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef __PRACRO_MACROHEADERPARSER_H__
#define __PRACRO_MACROHEADERPARSER_H__
#include "saxparser.h"
#include "template.h"
/**
* Partial macro parser.
* This class is used to parse only the first tag of a macro xml file.
* The parser will run about 10 times faster than the one parsing the entire file
* (see the MacroParser class) and can be used to make a list of which macros are in
* which files.
* This class inherits the SAXParser baseclass.
* Use the parse() method to run the parser, and collect the result via the
* getMacro() method.
* If the file does not contain a macro, or the files is not a valid xml file, an
* Exception will be thrown.
*/
class MacroHeaderParser : public SAXParser {
public:
/**
* Constructor.
* @param macrofile A std::string containing the name of the file to parse.
*/
MacroHeaderParser(std::string macrofile);
/**
* Destructor.
* Frees the allocated Macro* (if any).
*/
~MacroHeaderParser();
/**
* Overloaded parser callback method.
*/
void startTag(std::string name, std::map< std::string, std::string> attributes);
/**
* Overloaded parser callback method.
*/
void parseError(char *buf, size_t len, std::string error, int lineno);
/**
* Get a pointer to the parsed macro.
* NOTE: The allocated memory for the macro is owned by the parser, and will be
* freed upon parser deletion.
* @return A pointer to the macro or NULL on error.
*/
Macro *getMacro();
protected:
/**
* Overloaded parser callback method.
*/
int readData(char *data, size_t size);
private:
int fd;
Macro *m;
std::string file;
// Error callback function.
void error(const char* fmt, ...);
};
#endif/*__PRACRO_MACROHEADERPARSER_H__*/
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