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/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
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 "NoteStyleFileReader.h"
#include <string>
#include "NoteStyle.h"
#include <tqfileinfo.h>
#include <tqdir.h>
#include <tdeglobal.h>
#include <kstddirs.h>
#include <tdelocale.h>
#include "misc/Strings.h"
#include "NotationStrings.h"
#include "misc/Debug.h"
namespace Rosegarden {
NoteStyleFileReader::NoteStyleFileReader(std::string name) :
m_style(new NoteStyle(name)),
m_haveNote(false)
{
TQString styleDirectory =
TDEGlobal::dirs()->findResource("appdata", "styles/");
TQString styleFileName =
TQString("%1/%2.xml").arg(styleDirectory).arg(strtoqstr(name));
TQFileInfo fileInfo(styleFileName);
if (!fileInfo.isReadable()) {
throw StyleFileReadFailed
(qstrtostr(i18n("Can't open style file %1").arg(styleFileName)));
}
TQFile styleFile(styleFileName);
TQXmlInputSource source(styleFile);
TQXmlSimpleReader reader;
reader.setContentHandler(this);
reader.setErrorHandler(this);
bool ok = reader.parse(source);
styleFile.close();
if (!ok) {
throw StyleFileReadFailed(qstrtostr(m_errorString));
}
}
bool
NoteStyleFileReader::startElement(const TQString &, const TQString &,
const TQString &qName,
const TQXmlAttributes &attributes)
{
TQString lcName = qName.lower();
if (lcName == "rosegarden-note-style") {
TQString s = attributes.value("base-style");
if (!s.isNull()) m_style->setBaseStyle(qstrtostr(s));
} else if (lcName == "note") {
m_haveNote = true;
TQString s = attributes.value("type");
if (!s) {
m_errorString = i18n("type is a required attribute of note");
return false;
}
try {
Note::Type type = NotationStrings::getNoteForName(s).getNoteType();
if (!setFromAttributes(type, attributes)) return false;
} catch (NotationStrings::MalformedNoteName n) {
m_errorString = i18n("Unrecognised note name %1").arg(s);
return false;
}
} else if (lcName == "global") {
if (m_haveNote) {
m_errorString = i18n("global element must precede note elements");
return false;
}
for (Note::Type type = Note::Shortest; type <= Note::Longest; ++type) {
if (!setFromAttributes(type, attributes)) return false;
}
}
return true;
}
bool
NoteStyleFileReader::setFromAttributes(Note::Type type,
const TQXmlAttributes &attributes)
{
TQString s;
bool haveShape = false;
s = attributes.value("shape");
if (!s.isNull()) {
m_style->setShape(type, qstrtostr(s.lower()));
haveShape = true;
}
s = attributes.value("charname");
if (!s.isNull()) {
if (haveShape) {
m_errorString = i18n("global and note elements may have shape "
"or charname attribute, but not both");
return false;
}
m_style->setShape(type, NoteStyle::CustomCharName);
m_style->setCharName(type, qstrtostr(s));
}
s = attributes.value("filled");
if (!s.isNull()) m_style->setFilled(type, s.lower() == "true");
s = attributes.value("stem");
if (!s.isNull()) m_style->setStem(type, s.lower() == "true");
s = attributes.value("flags");
if (!s.isNull()) m_style->setFlagCount(type, s.toInt());
s = attributes.value("slashes");
if (!s.isNull()) m_style->setSlashCount(type, s.toInt());
NoteStyle::HFixPoint hfix;
NoteStyle::VFixPoint vfix;
m_style->getStemFixPoints(type, hfix, vfix);
bool haveHFix = false;
bool haveVFix = false;
s = attributes.value("hfixpoint");
if (!s.isNull()) {
s = s.lower();
haveHFix = true;
if (s == "normal") hfix = NoteStyle::Normal;
else if (s == "central") hfix = NoteStyle::Central;
else if (s == "reversed") hfix = NoteStyle::Reversed;
else haveHFix = false;
}
s = attributes.value("vfixpoint");
if (!s.isNull()) {
s = s.lower();
haveVFix = true;
if (s == "near") vfix = NoteStyle::Near;
else if (s == "middle") vfix = NoteStyle::Middle;
else if (s == "far") vfix = NoteStyle::Far;
else haveVFix = false;
}
if (haveHFix || haveVFix) {
m_style->setStemFixPoints(type, hfix, vfix);
// otherwise they inherit from base style, so avoid setting here
}
return true;
}
}
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