domserializer.cpp

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

//
// DOMSerializer.cpp
//
// $Id: //poco/Main/XML/src/DOMSerializer.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 "DOM/DOMSerializer.h"
#include "DOM/Document.h"
#include "DOM/DocumentType.h"
#include "DOM/DocumentFragment.h"
#include "DOM/Element.h"
#include "DOM/Attr.h"
#include "DOM/Text.h"
#include "DOM/CDATASection.h"
#include "DOM/Comment.h"
#include "DOM/ProcessingInstruction.h"
#include "DOM/Entity.h"
#include "DOM/Notation.h"
#include "DOM/NamedNodeMap.h"
#include "DOM/AutoPtr.h"
#include "SAX/EntityResolver.h"
#include "SAX/DTDHandler.h"
#include "SAX/ContentHandler.h"
#include "SAX/LexicalHandler.h"
#include "SAX/AttributesImpl.h"
#include "SAX/ErrorHandler.h"
#include "SAX/SAXException.h"


XML_BEGIN


const XMLString DOMSerializer::CDATA = toXMLString("CDATA");


DOMSerializer::DOMSerializer():
	_pEntityResolver(0),
	_pDTDHandler(0),
	_pContentHandler(0),
	_pErrorHandler(0),
	_pDeclHandler(0),
	_pLexicalHandler(0)
{
}


DOMSerializer::~DOMSerializer()
{
}


void DOMSerializer::setEntityResolver(EntityResolver* pEntityResolver)
{
	_pEntityResolver = pEntityResolver;
}


EntityResolver* DOMSerializer::getEntityResolver() const
{
	return _pEntityResolver;
}


void DOMSerializer::setDTDHandler(DTDHandler* pDTDHandler)
{
	_pDTDHandler = pDTDHandler;
}


DTDHandler* DOMSerializer::getDTDHandler() const
{
	return _pDTDHandler;
}


void DOMSerializer::setContentHandler(ContentHandler* pContentHandler)
{
	_pContentHandler = pContentHandler;
}


ContentHandler* DOMSerializer::getContentHandler() const
{
	return _pContentHandler;
}


void DOMSerializer::setErrorHandler(ErrorHandler* pErrorHandler)
{
	_pErrorHandler = pErrorHandler;
}


ErrorHandler* DOMSerializer::getErrorHandler() const
{
	return _pErrorHandler;
}


void DOMSerializer::setFeature(const XMLString& featureId, bool state)
{
	if (featureId == XMLReader::FEATURE_NAMESPACES)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_NAMESPACES));
	else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_NAMESPACE_PREFIXES));
	else
		throw SAXNotRecognizedException(fromXMLString(featureId));
}


bool DOMSerializer::getFeature(const XMLString& featureId) const
{
	if (featureId == XMLReader::FEATURE_NAMESPACES)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_NAMESPACES));
	else if (featureId == XMLReader::FEATURE_NAMESPACE_PREFIXES)
		throw SAXNotSupportedException(fromXMLString(XMLReader::FEATURE_NAMESPACE_PREFIXES));
	else
		throw SAXNotRecognizedException(fromXMLString(featureId));
}


void DOMSerializer::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 DOMSerializer::setProperty(const XMLString& propertyId, void* value)
{
	if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
		_pDeclHandler = reinterpret_cast<DeclHandler*>(value);
	else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
		_pLexicalHandler = reinterpret_cast<LexicalHandler*>(value);
	else throw SAXNotRecognizedException(fromXMLString(propertyId));
}


void* DOMSerializer::getProperty(const XMLString& propertyId) const
{
	if (propertyId == XMLReader::PROPERTY_DECLARATION_HANDLER)
		return _pDeclHandler;
	else if (propertyId == XMLReader::PROPERTY_LEXICAL_HANDLER)
		return _pLexicalHandler;
	else throw SAXNotSupportedException(fromXMLString(propertyId));
}


void DOMSerializer::serialize(const Node* pNode)
{
	poco_check_ptr (pNode);

	handleNode(pNode);
}


void DOMSerializer::parse(InputSource* pSource)
{
	throw XMLException("The DOMSerializer cannot parse an InputSource");
}


void DOMSerializer::parse(const XMLString& systemId)
{
	throw XMLException("The DOMSerializer cannot parse from a system identifier");
}


void DOMSerializer::iterate(const Node* pNode) const
{
	while (pNode)
	{
		handleNode(pNode);
		pNode = pNode->nextSibling();
	}
}


void DOMSerializer::handleNode(const Node* pNode) const
{
	switch (pNode->nodeType())
	{
	case Node::ELEMENT_NODE:
		handleElement(static_cast<const Element*>(pNode)); 
		break;
	case Node::TEXT_NODE:
		handleCharacterData(static_cast<const Text*>(pNode)); 
		break;
	case Node::CDATA_SECTION_NODE:
		handleCDATASection(static_cast<const CDATASection*>(pNode)); 
		break;
	case Node::ENTITY_NODE:
		handleEntity(static_cast<const Entity*>(pNode));
		break;
	case Node::PROCESSING_INSTRUCTION_NODE:
		handlePI(static_cast<const ProcessingInstruction*>(pNode)); 
		break;
	case Node::COMMENT_NODE:
		handleComment(static_cast<const Comment*>(pNode)); 
		break;
	case Node::DOCUMENT_NODE:
		handleDocument(static_cast<const Document*>(pNode)); 
		break;
	case Node::DOCUMENT_TYPE_NODE:
		handleDocumentType(static_cast<const DocumentType*>(pNode));
		break;
	case Node::DOCUMENT_FRAGMENT_NODE:
		handleFragment(static_cast<const DocumentFragment*>(pNode));
		break;
	case Node::NOTATION_NODE:
		handleNotation(static_cast<const Notation*>(pNode));
		break;
	}
}


void DOMSerializer::handleElement(const Element* pElement) const
{
	if (_pContentHandler) 
	{
		AutoPtr<NamedNodeMap> pAttrs = pElement->attributes();
		AttributesImpl saxAttrs;
		for (unsigned long i = 0; i < pAttrs->length(); ++i)
		{
			Attr* pAttr = static_cast<Attr*>(pAttrs->item(i));
			saxAttrs.addAttribute(pAttr->namespaceURI(), pAttr->localName(), pAttr->nodeName(), CDATA, pAttr->value(), pAttr->specified());
		}
		_pContentHandler->startElement(pElement->namespaceURI(), pElement->localName(), pElement->tagName(), saxAttrs);
	}
	iterate(pElement->firstChild());
	if (_pContentHandler)
		_pContentHandler->endElement(pElement->namespaceURI(), pElement->localName(), pElement->tagName());
}


void DOMSerializer::handleCharacterData(const Text* pText) const
{
	if (_pContentHandler)
	{
		const XMLString& data = pText->data();
		_pContentHandler->characters(data.c_str(), 0, (int) data.length());
	}
}


void DOMSerializer::handleComment(const Comment* pComment) const
{
	if (_pLexicalHandler)
	{
		const XMLString& data = pComment->data();
		_pLexicalHandler->comment(data.c_str(), 0, (int) data.length());
	}
}


void DOMSerializer::handlePI(const ProcessingInstruction* pPI) const
{
	if (_pContentHandler) _pContentHandler->processingInstruction(pPI->target(), pPI->data());
}


void DOMSerializer::handleCDATASection(const CDATASection* pCDATA) const
{
	if (_pLexicalHandler) _pLexicalHandler->startCDATA();
	handleCharacterData(pCDATA);
	if (_pLexicalHandler) _pLexicalHandler->endCDATA();
}


void DOMSerializer::handleDocument(const Document* pDocument) const
{
	if (_pContentHandler) _pContentHandler->startDocument();
	const DocumentType* pDoctype = pDocument->doctype();
	if (pDoctype) handleDocumentType(pDoctype);
	iterate(pDocument->firstChild());
	if (_pContentHandler) _pContentHandler->endDocument();
}


void DOMSerializer::handleDocumentType(const DocumentType* pDocumentType) const
{
	if (_pLexicalHandler) _pLexicalHandler->startDTD(pDocumentType->name(), pDocumentType->publicId(), pDocumentType->systemId());
	iterate(pDocumentType->firstChild());
	if (_pLexicalHandler) _pLexicalHandler->endDTD();
}


void DOMSerializer::handleFragment(const DocumentFragment* pFragment) const
{
	iterate(pFragment->firstChild());
}


void DOMSerializer::handleNotation(const Notation* pNotation) const
{
	if (_pDTDHandler) _pDTDHandler->notationDecl(pNotation->nodeName(), &pNotation->publicId(), &pNotation->systemId());
}


void DOMSerializer::handleEntity(const Entity* pEntity) const
{
	if (_pDTDHandler) _pDTDHandler->unparsedEntityDecl(pEntity->nodeName(), &pEntity->publicId(), pEntity->systemId(), pEntity->notationName());
}


XML_END