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215
XML/samples/SAXParser/src/SAXParser.cpp
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215
XML/samples/SAXParser/src/SAXParser.cpp
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//
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// SAXParser.cpp
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//
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// $Id: //poco/1.1.0/XML/samples/SAXParser/src/SAXParser.cpp#2 $
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//
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// This sample demonstrates the SAXParser class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "SAX/SAXParser.h"
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#include "SAX/ContentHandler.h"
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#include "SAX/LexicalHandler.h"
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#include "SAX/Attributes.h"
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#include "SAX/Locator.h"
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#include "Foundation/Exception.h"
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#include <iostream>
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using XML::SAXParser;
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using XML::XMLReader;
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using XML::XMLString;
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using XML::XMLChar;
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using XML::ContentHandler;
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using XML::LexicalHandler;
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using XML::Attributes;
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using XML::Locator;
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class MyHandler: public ContentHandler, public LexicalHandler
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{
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public:
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MyHandler():
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_pLocator(0)
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{
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}
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// ContentHandler
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void setDocumentLocator(const Locator* loc)
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{
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_pLocator = loc;
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}
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void startDocument()
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{
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where("startDocument");
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}
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void endDocument()
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{
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where("endDocument");
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}
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void startElement(const XMLString& uri, const XMLString& localName, const XMLString& qname, const Attributes& attributes)
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{
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where("startElement");
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std::cout << "uri: " << uri << std::endl
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<< "localName: " << localName << std::endl
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<< "qname: " << qname << std::endl;
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std::cout << "Attributes: " << std::endl;
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for (int i = 0; i < attributes.getLength(); ++i)
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{
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std::cout << attributes.getLocalName(i) << "=" << attributes.getValue(i) << std::endl;
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}
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}
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void endElement(const XMLString& uri, const XMLString& localName, const XMLString& qname)
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{
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where("endElement");
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}
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void characters(const XMLChar ch[], int start, int length)
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{
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where("characters");
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std::cout << std::string(ch + start, length) << std::endl;
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}
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void ignorableWhitespace(const XMLChar ch[], int start, int length)
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{
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where("ignorableWhitespace");
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}
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void processingInstruction(const XMLString& target, const XMLString& data)
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{
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where("processingInstruction");
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std::cout << "target=" << target << ", data=" << data << std::endl;
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}
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void startPrefixMapping(const XMLString& prefix, const XMLString& uri)
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{
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where("startPrefixMapping");
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std::cout << "prefix=" << prefix << " uri=" << uri << std::endl;
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}
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void endPrefixMapping(const XMLString& prefix)
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{
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where("endPrefixMapping");
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std::cout << "prefix=" << prefix << std::endl;
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}
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void skippedEntity(const XMLString& name)
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{
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where("skippedEntity");
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std::cout << "name=" << name << std::endl;
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}
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// LexicalHandler
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void startDTD(const XMLString& name, const XMLString& publicId, const XMLString& systemId)
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{
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where("startDTD");
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}
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void endDTD()
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{
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where("endDTD");
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}
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void startEntity(const XMLString& name)
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{
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where("startEntity");
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}
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void endEntity(const XMLString& name)
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{
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where("endEntity");
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}
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void startCDATA()
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{
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where("startCDATA");
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}
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void endCDATA()
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{
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where("endCDATA");
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}
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void comment(const XMLChar ch[], int start, int length)
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{
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where("comment");
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}
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protected:
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void where(const std::string& meth)
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{
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std::cout << "*** " << meth;
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if (_pLocator)
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{
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std::cout << " in "
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<< _pLocator->getSystemId()
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<< ", line " << _pLocator->getLineNumber()
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<< ", col " << _pLocator->getColumnNumber()
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<< std::endl;
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}
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}
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private:
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const Locator* _pLocator;
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};
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int main(int argc, char** argv)
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{
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// parse an XML document and print the generated SAX events
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if (argc < 2)
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{
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std::cout << "usage: " << argv[0] << ": <xmlfile>" << std::endl;
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return 1;
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}
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MyHandler handler;
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SAXParser parser;
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parser.setFeature(XMLReader::FEATURE_NAMESPACES, true);
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parser.setFeature(XMLReader::FEATURE_NAMESPACE_PREFIXES, true);
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parser.setContentHandler(&handler);
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parser.setProperty(XMLReader::PROPERTY_LEXICAL_HANDLER, static_cast<LexicalHandler*>(&handler));
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try
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{
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parser.parse(argv[1]);
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}
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catch (Foundation::Exception& e)
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{
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std::cerr << e.displayText() << std::endl;
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return 2;
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}
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return 0;
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}
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