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/****************************************************************************
** $Id: qt/examples/xmlquotes/quoteparser.cpp 2.3.1 edited 2001-01-26 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "quoteparser.h"
QuoteHandler::QuoteHandler()
{
}
QuoteHandler::~QuoteHandler()
{
}
QStringList QuoteHandler::quotes()
{
return quoteList;
}
QString QuoteHandler::errorProtocol()
{
return errorProt;
}
bool QuoteHandler::startDocument()
{
// at the beginning of parsing: do some initialization
quoteList.clear();
errorProt = "";
state = StateInit;
return TRUE;
}
bool QuoteHandler::startElement( const QString&, const QString&, const QString& qName, const QXmlAttributes& atts )
{
// do different actions depending on the name of the tag and the
// state you are in
if ( qName == "quotations" && state == StateInit ) {
state = StateDocument;
} else if ( qName == "quote" && state == StateDocument ) {
state = StateQuote;
// add a new quote to the end of the list
QString tmp;
quoteList.append( tmp );
// add some nice header
quoteList.last() += "<b>Saying " +
QString::number( quoteList.count() ) +
"</b><br>"
"<hr><br><br>"
"<big>";
// a quote can have a author and a reference
author = atts.value( "author" );
reference = atts.value( "reference" );
} else if ( qName == "line" && state == StateQuote ) {
state = StateLine;
} else if ( qName == "heading" && state == StateQuote ) {
state = StateHeading;
// headings should be bold
quoteList.last() += "<b>";
} else if ( qName == "p" && state == StateQuote ) {
state = StateP;
// start tag
quoteList.last() += "</p>";
} else {
// error
return FALSE;
}
return TRUE;
}
bool QuoteHandler::endElement( const QString&, const QString&, const QString& )
{
// "pop" the state and do some actions
switch ( state ) {
case StateQuote:
state = StateDocument;
// add closing tags and author and reference
quoteList.last() += "</big><br><br>"
"<center><i>-- ";
if ( author.isEmpty() )
quoteList.last() += "Unknown";
else
quoteList.last() += author;
if ( !reference.isEmpty() )
quoteList.last() += ", \"" + reference + "\"";
quoteList.last() += "</i></center><i>";
break;
case StateLine:
state = StateQuote;
// force line break
quoteList.last() += "<br>";
break;
case StateHeading:
state = StateQuote;
// closing tag
quoteList.last() += "</b><br>";
break;
case StateP:
state = StateQuote;
// closing tag
quoteList.last() += "</p>";
break;
default:
// do nothing
break;
}
return TRUE;
}
bool QuoteHandler::characters( const QString& ch )
{
// we are not interested in whitespaces
QString ch_simplified = ch.simplifyWhiteSpace();
if ( ch_simplified.isEmpty() )
return TRUE;
switch ( state ) {
case StateQuote:
case StateLine:
case StateHeading:
case StateP:
quoteList.last() += ch_simplified;
break;
default:
return FALSE;
}
return TRUE;
}
QString QuoteHandler::errorString()
{
return "the document is not in the quote file format";
}
bool QuoteHandler::fatalError( const QXmlParseException& exception )
{
errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n" )
.arg( exception.message() )
.arg( exception.lineNumber() )
.arg( exception.columnNumber() );
return QXmlDefaultHandler::fatalError( exception );
}
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