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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
This file is Copyright 2006
D. Michael McIntyre <[email protected]>
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 "PresetGroup.h"
#include "misc/Debug.h"
#include "misc/Strings.h"
#include "gui/general/ClefIndex.h"
#include "base/Exception.h"
#include "CategoryElement.h"
#include <tdelocale.h>
#include <kstddirs.h>
#include <tdeglobal.h>
#include <tqfile.h>
#include <tqfileinfo.h>
#include <tqregexp.h>
#include <tqstring.h>
namespace Rosegarden
{
PresetGroup::PresetGroup() :
m_errorString(i18n("unknown error")),
m_elCategoryName(""),
m_elInstrumentName(""),
m_elClef(0),
m_elTranspose(0),
m_elLowAm(0),
m_elHighAm(0),
m_elLowPro(0),
m_elHighPro(0),
m_lastCategory( -1),
m_currentCategory( -1),
m_lastInstrument( -1),
m_currentInstrument( -1),
m_name(false),
m_clef(false),
m_transpose(false),
m_amateur(false),
m_pro(false)
{
m_presetDirectory = TDEGlobal::dirs()->findResource("appdata", "presets/");
TQString language = TDEGlobal::locale()->language();
TQString presetFileName = TQString("%1/presets-%2.xml")
.arg(m_presetDirectory).arg(language);
if (!TQFileInfo(presetFileName).isReadable()) {
RG_DEBUG << "Failed to open " << presetFileName << endl;
language.replace(TQRegExp("_.*$"), "");
presetFileName = TQString("%1/presets-%2.xml")
.arg(m_presetDirectory).arg(language);
if (!TQFileInfo(presetFileName).isReadable()) {
RG_DEBUG << "Failed to open " << presetFileName << endl;
presetFileName = TQString("%1/presets.xml")
.arg(m_presetDirectory);
if (!TQFileInfo(presetFileName).isReadable()) {
RG_DEBUG << "Failed to open " << presetFileName << endl;
throw PresetFileReadFailed
(qstrtostr(i18n("Can't open preset file %1").
arg(presetFileName)));
}
}
}
TQFile presetFile(presetFileName);
TQXmlInputSource source(presetFile);
TQXmlSimpleReader reader;
reader.setContentHandler(this);
reader.setErrorHandler(this);
bool ok = reader.parse(source);
presetFile.close();
if (!ok) {
throw PresetFileReadFailed(qstrtostr(m_errorString));
}
}
PresetGroup::~PresetGroup()
{
//!!! do I have anything to do here?
}
bool
PresetGroup::startElement(const TQString &, const TQString &,
const TQString &qName,
const TQXmlAttributes &attributes)
{
TQString lcName = qName.lower();
// RG_DEBUG << "PresetGroup::startElement: processing starting element: " << lcName << endl;
if (lcName == "category") {
TQString s = attributes.value("name");
if (!s.isNull()) {
m_elCategoryName = s;
// increment the current category number
m_lastCategory = m_currentCategory;
m_currentCategory++;
// reset the instrument counter going into the new category
m_lastInstrument = -1;
m_currentInstrument = -1;
RG_DEBUG << "PresetGroup::startElement: adding category " << m_elCategoryName << " last: "
<< m_lastCategory << " curr: " << m_currentCategory << endl;
// add new CategoryElement to m_categories, in order to contain
// subsequent PresetElements
CategoryElement ce(m_elCategoryName);
m_categories.push_back(ce);
}
} else if (lcName == "instrument") {
TQString s = attributes.value("name");
if (!s.isNull()) {
m_elInstrumentName = s;
m_name = true;
// increment the current instrument number
m_lastInstrument = m_currentInstrument;
m_currentInstrument++;
}
} else if (lcName == "clef") {
TQString s = attributes.value("type");
if (!s.isNull()) {
m_elClef = clefNameToClefIndex(s);
m_clef = true;
}
} else if (lcName == "transpose") {
TQString s = attributes.value("value");
if (!s.isNull()) {
m_elTranspose = s.toInt();
m_transpose = true;
}
} else if (lcName == "range") {
TQString s = attributes.value("class");
if (s == "amateur") {
s = attributes.value("low");
if (!s.isNull()) {
m_elLowAm = s.toInt();
m_amateur = true;
}
s = attributes.value("high");
if (!s.isNull() && m_amateur) {
m_elHighAm = s.toInt();
} else {
return false;
}
} else if (s == "professional") {
s = attributes.value("low");
if (!s.isNull()) {
m_pro = true;
m_elLowPro = s.toInt();
}
s = attributes.value("high");
if (!s.isNull() && m_pro) {
m_elHighPro = s.toInt();
} else {
return false;
}
} else {
return false;
}
}
// RG_DEBUG << "PresetGroup::startElement(): accumulating flags:" << endl
// << " name: " << (m_name ? "true" : "false") << endl
// << " clef: " << (m_clef ? "true" : "false") << endl
// << "transpose: " << (m_transpose ? "true" : "false") << endl
// << " am. rng: " << (m_amateur ? "true" : "false") << endl
// << " pro rng: " << (m_pro ? "true" : "false") << endl;
// once we have assembled all the bits, create a new PresetElement
if (m_name && m_clef && m_transpose && m_amateur && m_pro) {
m_categories[m_currentCategory].addPreset(m_elInstrumentName,
m_elClef,
m_elTranspose,
m_elHighAm,
m_elLowAm,
m_elHighPro,
m_elLowPro);
// increment the current instrument
//!!! (is this ever going to be needed?)
m_lastInstrument = m_currentInstrument;
m_currentInstrument++;
// reset the "do we have a whole preset yet?" flags
m_name = false;
m_clef = false;
m_transpose = false;
m_amateur = false;
m_pro = false;
}
return true;
} // startElement
bool
PresetGroup::error(const TQXmlParseException& exception)
{
RG_DEBUG << "PresetGroup::error(): jubilation and glee, we have an error, whee!" << endl;
m_errorString = TQString("%1 at line %2, column %3: %4")
.arg(exception.message())
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(m_errorString);
return TQXmlDefaultHandler::error(exception);
}
bool
PresetGroup::fatalError(const TQXmlParseException& exception)
{
RG_DEBUG << "PresetGroup::fatalError(): double your jubilation, and triple your glee, a fatal error doth it be!" << endl;
m_errorString = TQString("%1 at line %2, column %3: %4")
.arg(exception.message())
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(m_errorString);
return TQXmlDefaultHandler::fatalError(exception);
}
}
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