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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* saxparser.h
*
* Tue Jul 22 16:26:21 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <string>
#include <unordered_map>
#include <expat.h>
#include <fstream>
class SAXParser
{
public:
SAXParser();
virtual ~SAXParser();
//! Parses the data from the file.
virtual int parseFile(const std::string& filename);
//! Parses all the data in the buffer.
virtual int parseString(const std::string& str,
const std::string& xml_source_name = "");
protected:
using attr_t = std::unordered_map<std::string, std::string>;
virtual void characterData(const std::string& data) {}
virtual void startTag(const std::string& name, const attr_t& attr) {}
virtual void endTag(const std::string& name) {}
virtual void parseError(const std::string& buf,
const std::string& error,
const std::string& xml_source_name,
std::size_t lineno);
private:
XML_Parser parser;
std::string filename;
static void characterHandler(void* parser, const XML_Char* cData, int len);
static void startHandler(void* parser, const char* el, const char** attr);
static void endHandler(void* parser, const char* el);
};
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