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// -*- c-basic-offset: 4 -*-
/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral right of the authors to claim authorship of this work
has been asserted.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "ChordXmlHandler.h"
#include "misc/Debug.h"
namespace Rosegarden
{
ChordXmlHandler::ChordXmlHandler(Guitar::ChordMap& map)
: ProgressReporter(0),
m_chordMap(map)
{
}
ChordXmlHandler::~ChordXmlHandler()
{
}
bool ChordXmlHandler::startDocument()
{
// nothing to do ?
return true;
}
bool ChordXmlHandler::startElement(const QString& namespaceURI,
const QString& localName,
const QString& qName,
const QXmlAttributes& atts)
{
QString lcName = qName.lower();
if (lcName == "chordset") {
// start new chord set
m_currentRoot = atts.value("root").stripWhiteSpace();
} else if (lcName == "chord") {
m_currentChord = Guitar::Chord(m_currentRoot);
if (atts.index("ext") >= 0)
m_currentChord.setExt(atts.value("ext").stripWhiteSpace());
if (atts.index("user") >= 0) {
QString userVal = atts.value("user").stripWhiteSpace().lower();
bool res = (userVal == "yes" || userVal == "1" || userVal == "true");
m_currentChord.setUserChord(res);
} else {
m_currentChord.setUserChord(false);
}
} else if (lcName == "fingering") {
m_inFingering = true;
}
return true;
}
bool ChordXmlHandler::endElement(const QString& namespaceURI,
const QString& localName,
const QString& qName)
{
QString lcName = qName.lower();
if (lcName == "fingering") {
m_inFingering = false;
m_chordMap.insert(m_currentChord);
NOTATION_DEBUG << "ChordXmlHandler::endElement (fingering) : adding chord " << m_currentChord << endl;
} else if (lcName == "chord") {
// adding is done after each parsing of fingering
//
// m_chordMap.insert(m_currentChord);
}
return true;
}
bool ChordXmlHandler::characters(const QString& ch)
{
QString ch2 = ch.simplifyWhiteSpace();
if (!ch2.isEmpty() && m_inFingering) {
if (!parseFingering(ch2))
return false;
}
return true;
}
bool ChordXmlHandler::endDocument()
{
return true;
}
bool ChordXmlHandler::parseFingering(const QString& ch) {
QString errString;
Guitar::Fingering fingering = Guitar::Fingering::parseFingering(ch, errString);
if (m_errorString.isEmpty()) {
NOTATION_DEBUG << "ChordXmlHandler::parseFingering : fingering " << ch << endl;
m_currentChord.setFingering(fingering);
return true;
} else {
m_errorString = errString;
return false;
}
}
bool
ChordXmlHandler::error(const QXmlParseException& exception)
{
m_errorString = QString("%1 at line %2, column %3")
.arg(exception.message())
.arg(exception.lineNumber())
.arg(exception.columnNumber());
return QXmlDefaultHandler::error( exception );
}
bool
ChordXmlHandler::fatalError(const QXmlParseException& exception)
{
m_errorString = QString("%1 at line %2, column %3")
.arg(exception.message())
.arg(exception.lineNumber())
.arg(exception.columnNumber());
return QXmlDefaultHandler::fatalError( exception );
}
}
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