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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* sessionheaderparser.h
*
* Thu Aug 9 09:06:32 CEST 2012
* Copyright 2012 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_SESSIONHEADERPARSER_H__
#define __PRACRO_SESSIONHEADERPARSER_H__
#include "saxparser.h"
/**
* Partial session parser.
* This class is used to parse only the first tag of a session xml file.
* The parser will run about 10 times faster than the one parsing the entire
* file (see the SessionParser class) and can be used to find a
* patientid/template match.
* This class inherits the SAXParser baseclass.
* Use the parse() method to run the parser, and collect the result via the
* getPatientID() and getTemplate() methods.
* If the file does not contain a session, or the file is not a valid xml file,
* an Exception is thrown.
*/
class SessionHeaderParser : public SAXParser {
public:
class Header {
public:
std::string patientid;
std::string templ;
std::string id;
};
/**
* Constructor.
* @param sessionfile A std::string containing the name of the file to parse.
*/
SessionHeaderParser(std::string sessionfile);
/**
* Destructor.
*/
~SessionHeaderParser();
/**
* Overloaded parser callback method.
*/
void startTag(std::string name, attributes_t &attr);
/**
* Overloaded parser callback method.
*/
void parseError(const 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.
*/
Header getHeader();
protected:
/**
* Overloaded parser callback method.
*/
int readData(char *data, size_t size);
private:
int fd;
bool done;
Header header;
std::string file;
// Error callback function.
void error(const char* fmt, ...);
};
#endif/*__PRACRO_SESSIONHEADERPARSER_H__*/
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