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//
// SAXParserTest.cpp
//
// Created by Setsu on 8/5/2010.
// Copyright 2010 RoundSquare Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
//----------------------------------------
// include
//----------------------------------------
#include <Poco/Logger.h>
#include <Poco/PatternFormatter.h>
#include <Poco/FormattingChannel.h>
#include <Poco/ConsoleChannel.h>
#include <Poco/SAX/SAXParser.h>
#include <Poco/SAX/ContentHandler.h>
#include <Poco/SAX/LexicalHandler.h>
#include <Poco/SAX/Attributes.h>
#include <Poco/SAX/Locator.h>
#include <Poco/Exception.h>
#include <Poco/Format.h>
#include <string>
#include "ScopedLogMessage.h"
//----------------------------------------
// const
//----------------------------------------
const std::string kXMLString =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
" <head>\n"
" <title>Sample HTML</title>\n"
" <meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\"/>\n"
" <link href=\"css/styles.css\" rel=\"stylesheet\" type=\"text/css\"/>\n"
" </head>\n"
" <body>This is a sample.</body>\n"
"</html>\n";
//----------------------------------------
// MyHandler
//----------------------------------------
class MyHandler : public Poco::XML::ContentHandler, public Poco::XML::LexicalHandler
{
public:
MyHandler(ScopedLogMessage& msg) :
m_pLocator(0)
, m_Msg(msg)
{
}
// ContentHandler
void setDocumentLocator(const Poco::XML::Locator* loc)
{
m_pLocator = loc;
}
void startDocument()
{
where("startDocument");
}
void endDocument()
{
where("endDocument");
}
void startElement(const Poco::XML::XMLString& uri, const Poco::XML::XMLString& localName, const Poco::XML::XMLString& qname, const Poco::XML::Attributes& attributes)
{
where("startElement");
m_Msg.Message(Poco::format(" uri: %s", uri));
m_Msg.Message(Poco::format(" localName: %s", localName));
m_Msg.Message(Poco::format(" qname: %s", qname));
if(0 != attributes.getLength())
{
m_Msg.Message(" Attributes: ");
for(int i=0; i<attributes.getLength(); ++i)
{
m_Msg.Message(Poco::format(" %s=\"%s\"", attributes.getLocalName(i), attributes.getValue(i)));
}
}
}
void endElement(const Poco::XML::XMLString& uri, const Poco::XML::XMLString& localName, const Poco::XML::XMLString& qname)
{
where("endElement");
}
void characters(const Poco::XML::XMLChar ch[], int start, int length)
{
int myStart = start;
int myLength = length;
while((0 != myLength) && (('\n' == ch[myStart]) || ('\t' == ch[myStart])))
{
++myStart;
--myLength;
}
if(0 != myLength)
{
where("characters");
m_Msg.Message(std::string(ch + myStart, myLength));
}
}
void ignorableWhitespace(const Poco::XML::XMLChar ch[], int start, int length)
{
where("ignorableWhitespace");
}
void processingInstruction(const Poco::XML::XMLString& target, const Poco::XML::XMLString& data)
{
where("processingInstruction");
m_Msg.Message(Poco::format(" target=%s, data=%s", target, data));
}
void startPrefixMapping(const Poco::XML::XMLString& prefix, const Poco::XML::XMLString& uri)
{
where("startPrefixMapping");
m_Msg.Message(Poco::format(" prefix=%s, uri=%s", prefix, uri));
}
void endPrefixMapping(const Poco::XML::XMLString& prefix)
{
where("endPrefixMapping");
m_Msg.Message(Poco::format(" prefix=%s", prefix));
}
void skippedEntity(const Poco::XML::XMLString& name)
{
where("skippedEntity");
m_Msg.Message(Poco::format(" name=%s", name));
}
// LexicalHandler
void startDTD(const Poco::XML::XMLString& name, const Poco::XML::XMLString& publicId, const Poco::XML::XMLString& systemId)
{
where("startDTD");
}
void endDTD()
{
where("endDTD");
}
void startEntity(const Poco::XML::XMLString& name)
{
where("startEntity");
}
void endEntity(const Poco::XML::XMLString& name)
{
where("endEntity");
}
void startCDATA()
{
where("startCDATA");
}
void endCDATA()
{
where("endCDATA");
}
void comment(const Poco::XML::XMLChar ch[], int start, int length)
{
where("comment");
}
protected:
void where(const std::string& meth)
{
if(m_pLocator)
{
m_Msg.Message(Poco::format("- %s (line %i, col %i)",
meth,
m_pLocator->getLineNumber(),
m_pLocator->getColumnNumber()));
}
else
{
m_Msg.Message(Poco::format("- %s", meth));
}
}
private:
const Poco::XML::Locator* m_pLocator;
ScopedLogMessage& m_Msg;
};
//----------------------------------------
// TestSAXParser
//----------------------------------------
void TestSAXParser(ScopedLogMessage& msg, const std::string& xml)
{
msg.Message("--- original xml ---\n" + xml);
MyHandler handler(msg);
Poco::XML::SAXParser parser;
parser.setFeature(Poco::XML::XMLReader::FEATURE_NAMESPACES, true);
parser.setFeature(Poco::XML::XMLReader::FEATURE_NAMESPACE_PREFIXES, true);
parser.setContentHandler(&handler);
parser.setProperty(Poco::XML::XMLReader::PROPERTY_LEXICAL_HANDLER, static_cast<Poco::XML::LexicalHandler*>(&handler));
try
{
msg.Message("--- parsed ---");
parser.parseString(kXMLString);
}
catch(Poco::Exception& exc)
{
msg.Message(exc.displayText());
}
}
//----------------------------------------
// PrepareConsoleLogger
//----------------------------------------
void PrepareConsoleLogger(const std::string& name, int level=Poco::Message::PRIO_INFORMATION)
{
Poco::FormattingChannel* pFCConsole = new Poco::FormattingChannel(new Poco::PatternFormatter("%t"));
pFCConsole->setChannel(new Poco::ConsoleChannel);
pFCConsole->open();
Poco::Logger::create(name, pFCConsole, level);
}
//----------------------------------------
// main
//----------------------------------------
int main(int /*argc*/, char** /*argv*/)
{
PrepareConsoleLogger(Poco::Logger::ROOT, Poco::Message::PRIO_INFORMATION);
ScopedLogMessage msg("SAXParserTest ", "start", "end");
TestSAXParser(msg, kXMLString);
return 0;
} |
