saxparser.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// SAXParser.cpp
//
// $Id: //poco/Main/XML/src/SAXParser.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "SAX/SAXParser.h"
#include "SAX/SAXException.h"
#include "SAX/EntityResolverImpl.h"
#include "SAX/InputSource.h"
#include "XML/NamespaceStrategy.h"
#include <sstream>


XML_BEGIN


SAXParser::SAXParser():
	_namespaces(true),
	_namespacePrefixes(false)
{
}


SAXParser::SAXParser(const XMLString& encoding):
	_engine(encoding),
	_namespaces(true),
	_namespacePrefixes(false)
{
}


SAXParser::~SAXParser()
{
}


void SAXParser::setEncoding(const XMLString& encoding)
{
	_engine.setEncoding(encoding);
}

	
const XMLString& SAXParser::getEncoding() const
{
	return _engine.getEncoding();
}


void SAXParser::addEncoding(const XMLString& name, Foundation::TextEncoding* pEncoding)
{
	_engine.addEncoding(name, pEncoding);
}


void SAXParser::setEntityResolver(EntityResolver* pResolver)
{
	_engine.setEntityResolver(pResolver);
}


EntityResolver* SAXParser::getEntityResolver() const
{
	return _engine.getEntityResolver();
}


void SAXParser::setDTDHandler(DTDHandler* pDTDHandler)
{
	_engine.setDTDHandler(pDTDHandler);
}


DTDHandler* SAXParser::getDTDHandler() const
{
	return _engine.getDTDHandler();
}


void SAXParser::setContentHandler(ContentHandler* pContentHandler)
{
	_engine.setContentHandler(pContentHandler);
}


ContentHandler* SAXParser::getContentHandler() const
{
	return _engine.getContentHandler();
}


void SAXParser::setErrorHandler(ErrorHandler* pErrorHandler)
{
	_engine.setErrorHandler(pErrorHandler);
}


ErrorHandler* SAXParser::getErrorHandler() const
{
	return _engine.getErrorHandler();
}


void SAXParser::setFeature(const XMLString& featureId, bool state)
{
	if (featureId == XMLReader::FEATURE_VALIDATION || featureId == XMLReader::FEATURE_STRING_INTERNING)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_VALIDATION));
	else if (featureId == XMLReader::FEATURE_EXTERNAL_GENERAL_ENTITIES)
		_engine.setExternalGeneralEntities(state);
	else if (featureId == XMLReader::FEATURE_EXTERNAL_PARAMETER_ENTITIES)
		_engine.setExternalParameterEntities(state);
	else if (featureId == XMLReader::FEATURE_NAMESPACES)
		_namespaces = state;
	else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
		_namespacePrefixes = state;
	else throw SAXNotRecognizedException(fromXMLString(featureId));
}


bool SAXParser::getFeature(const XMLString& featureId) const
{
	if (featureId == XMLReader::FEATURE_VALIDATION || featureId == XMLReader::FEATURE_STRING_INTERNING)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_VALIDATION));
	else if (featureId == XMLReader::FEATURE_EXTERNAL_GENERAL_ENTITIES)
		return _engine.getExternalGeneralEntities();
	else if (featureId == XMLReader::FEATURE_EXTERNAL_PARAMETER_ENTITIES)
		return _engine.getExternalParameterEntities();
	else if (featureId == XMLReader::FEATURE_NAMESPACES)
		return _namespaces;
	else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
		return _namespacePrefixes;
	else throw SAXNotRecognizedException(fromXMLString(featureId));
}


void SAXParser::setProperty(const XMLString& propertyId, const XMLString& value)
{
	if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER || propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
		throw SAXNotSupportedException(std::string("property does not take a string value: ") + fromXMLString(propertyId));
	else
		throw SAXNotRecognizedException(fromXMLString(propertyId));
}


void SAXParser::setProperty(const XMLString& propertyId, void* value)
{
	if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
		_engine.setDeclHandler(reinterpret_cast<DeclHandler*>(value));
	else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
		_engine.setLexicalHandler(reinterpret_cast<LexicalHandler*>(value));
	else throw SAXNotRecognizedException(fromXMLString(propertyId));
}


void* SAXParser::getProperty(const XMLString& propertyId) const
{
	if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
		return _engine.getDeclHandler();
	else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
		return _engine.getLexicalHandler();
	else throw SAXNotSupportedException(fromXMLString(propertyId));
}


void SAXParser::parse(InputSource* pInputSource)
{
	if (pInputSource->getByteStream() || pInputSource->getCharacterStream())
	{
		setupParse();
		_engine.parse(pInputSource);
	}
	else parse(pInputSource->getSystemId());
}


void SAXParser::parse(const XMLString& systemId)
{
	setupParse();
	EntityResolverImpl entityResolver;
	InputSource* pInputSource = entityResolver.resolveEntity(0, systemId);
	if (pInputSource)
	{
		try
		{
			_engine.parse(pInputSource);
		}
		catch (...)
		{
			entityResolver.releaseInputSource(pInputSource);
			throw;
		}
		entityResolver.releaseInputSource(pInputSource);
	}
	else throw XMLException("Cannot resolve system identifier", systemId);
}


void SAXParser::parseString(const std::string& xml)
{
	std::istringstream istr(xml);
	InputSource src(istr);
	parse(&src);
}


void SAXParser::setupParse()
{
	if (_namespaces && !_namespacePrefixes)
		_engine.setNamespaceStrategy(new NoNamespacePrefixesStrategy);
	else if (_namespaces && _namespacePrefixes)
		_engine.setNamespaceStrategy(new NamespacePrefixesStrategy);
	else
		_engine.setNamespaceStrategy(new NoNamespacesStrategy);
}


XML_END