812 lines
32 KiB
C++
812 lines
32 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2013 Werner Schweer and others
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "importxmlfirstpass.h"
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#include "musicxmlsupport.h"
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#include "libmscore/fraction.h"
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#include "libmscore/mscore.h"
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#include "libmscore/timesig.h"
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namespace Ms {
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/****************************************************************************
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**
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** begin code copied and adapted from MuseScores xml.cpp
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**
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****************************************************************************/
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//---------------------------------------------------------
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// printDomElementPath
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//---------------------------------------------------------
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static QString domElementPath(const QDomElement e)
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{
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QString s;
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QDomNode dn(e);
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while (!dn.parentNode().isNull()) {
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dn = dn.parentNode();
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const QDomElement& ee = dn.toElement();
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const QString k(ee.tagName());
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if (!s.isEmpty())
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s += ":";
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s += k;
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}
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return s;
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}
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//---------------------------------------------------------
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// domError
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//---------------------------------------------------------
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static void aaadomError(const QDomElement e)
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{
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QString m;
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QString s = domElementPath(e);
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/*
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if (!docName.isEmpty())
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m = QString("<%1>:").arg(docName);
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*/
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int ln = e.lineNumber();
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if (ln != -1)
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m += QString("line:%1 ").arg(ln);
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int col = e.columnNumber();
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if (col != -1)
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m += QString("col:%1 ").arg(col);
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m += QString("%1: Unknown Node <%2>, type %3").arg(s).arg(e.tagName()).arg(e.nodeType());
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if (e.isText())
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m += QString(" text node <%1>").arg(e.toText().data());
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qDebug("%s", qPrintable(m));
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}
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/****************************************************************************
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**
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** end code copied and adapted from MuseScores xml.cpp
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**
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****************************************************************************/
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/****************************************************************************
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**
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** begin code copied and adapted from MuseScores importxml.cpp
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**
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****************************************************************************/
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//---------------------------------------------------------
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// local defines for debug output
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//---------------------------------------------------------
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// #define DEBUG_VOICE_MAPPER true
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// #define DEBUG_TICK true
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//---------------------------------------------------------
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// noteDurationAsFraction
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//---------------------------------------------------------
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/**
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Determine note duration as fraction based on type, dots and tuplet.
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Also return duration as fraction (calculated from the <duration> element).
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Input e is the note element.
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If chord or grace, duration is 0.
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*/
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static Fraction noteDurationAsFraction(const int divisions, QDomElement e, Fraction& duration, QString& noteDurDesc)
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{
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int actualNotes = 0;
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bool chord = false;
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int dots = 0;
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bool grace = false;
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int normalNotes = 0;
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bool rest = false;
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QString type;
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noteDurDesc = "";
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for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
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if (e.tagName() == "chord")
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chord = true;
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else if (e.tagName() == "dot")
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dots++;
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else if (e.tagName() == "duration") {
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duration = MxmlSupport::durationAsFraction(divisions, e);
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}
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else if (e.tagName() == "grace")
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grace = true;
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else if (e.tagName() == "rest")
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rest = true;
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else if (e.tagName() == "time-modification") {
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for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
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if (ee.tagName() == "actual-notes") {
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bool ok;
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actualNotes = MxmlSupport::stringToInt(ee.text(), &ok);
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if (!ok || divisions <= 0)
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qDebug("MusicXml-Import: bad actual-notes value: <%s>",
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qPrintable(ee.text()));
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}
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if (ee.tagName() == "normal-notes") {
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bool ok;
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normalNotes = MxmlSupport::stringToInt(ee.text(), &ok);
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if (!ok || divisions <= 0)
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qDebug("MusicXml-Import: bad normal-notes value: <%s>",
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qPrintable(ee.text()));
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}
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}
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}
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else if (e.tagName() == "type")
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type = e.text();
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}
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// if chord or grace, duration is 0
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if (chord || grace) {
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// overrule duration
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duration = Fraction(0, 1);
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// return 0/1
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return Fraction(0, 1);
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}
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// printable representations for specified and calculated duration
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// specified duration
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noteDurDesc += "dur ";
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noteDurDesc += duration.print();
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// calculated duration
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noteDurDesc += " calcdur '";
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noteDurDesc += MxmlSupport::noteTypeToFraction(type).print();
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for (int i = 0; i < dots; ++i) noteDurDesc += ".";
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if (actualNotes || normalNotes) noteDurDesc += QString(" norm/act %1/%2").arg(normalNotes).arg(actualNotes);
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// calculate note duration as fraction based on type, dots, normal and actual notes
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Fraction f = MxmlSupport::calculateFraction(type, dots, normalNotes, actualNotes);
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noteDurDesc += " -> ";
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if (f.isValid())
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noteDurDesc += f.print();
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else
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noteDurDesc += "invalid";
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noteDurDesc += "'";
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#ifdef DEBUG_TICK
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qDebug("time-in-fraction: %s", qPrintable(noteDurDesc));
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#endif
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if (rest && (type == "" || type == "whole"))
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// accept typeless and "whole" measure rests
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return duration;
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return f;
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}
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//---------------------------------------------------------
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// moveTick
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//---------------------------------------------------------
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/**
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Move tick by amount specified in the element e, which must be
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a forward, backup or note.
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*/
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// TODO: error handling for invalid <duration>
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// either here or in durationAsFraction
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static void aaamoveTick(Fraction& tick, Fraction& maxtick,
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const int divisions, const QDomElement e,
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Fraction& duration, QString& noteDurDesc, QString& errorStr)
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{
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if (e.tagName() == "forward") {
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for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
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if (ee.tagName() == "duration") {
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Fraction f = MxmlSupport::durationAsFraction(divisions, ee);
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#ifdef DEBUG_TICK
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qDebug("forward %s", qPrintable(f.print()));
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#endif
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tick += f;
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if (tick > maxtick)
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maxtick = tick;
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}
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else if (ee.tagName() == "voice")
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;
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else if (ee.tagName() == "staff")
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;
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else
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aaadomError(ee);
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}
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}
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else if (e.tagName() == "backup") {
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for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
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if (ee.tagName() == "duration") {
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Fraction f = MxmlSupport::durationAsFraction(divisions, ee);
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#ifdef DEBUG_TICK
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qDebug("backup %s", qPrintable(f.print()));
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#endif
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if (f > tick) {
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tick = 0;
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errorStr = "backup beyond start of measure";
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noteDurDesc = f.print();
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}
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else
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tick -= f;
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}
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else
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aaadomError(ee);
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}
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}
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else if (e.tagName() == "note") {
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Fraction fraction = noteDurationAsFraction(divisions, e, duration, noteDurDesc);
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#ifdef DEBUG_TICK
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qDebug("note %s %s", qPrintable(fraction.print()), qPrintable(duration.print()));
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#endif
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// determine new tick, prefer specified duration over calculated duration
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if (duration.isValid() && fraction.isValid()) {
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if (duration != fraction)
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errorStr = "calculated duration not equal to specified duration";
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tick += duration;
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}
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else if (duration.isValid()) {
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errorStr = "calculated duration invalid, using specified duration";
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tick += duration;
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}
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else if (fraction.isValid()) {
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errorStr = "specified duration invalid, using calculated duration";
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tick += fraction;
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}
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else
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errorStr = "calculated and specified duration invalid";
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if (tick > maxtick)
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maxtick = tick;
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}
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}
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MusicXmlPart::MusicXmlPart(QString id, QString name)
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: id(id), name(name)
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{
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// nothing yet
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}
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void MusicXmlPart::addMeasureNumberAndDuration(QString measureNumber, Fraction measureDuration)
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{
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measureNumbers.append(measureNumber);
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measureDurations.append(measureDuration);
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}
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Fraction MusicXmlPart::measureDuration(int i) const
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{
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if (i >= 0 && i < measureDurations.size())
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return measureDurations.at(i);
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return Fraction(0, 0); // return invalid fraction
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}
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QString MusicXmlPart::toString() const
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{
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QString res;
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res = QString("part id '%1' name '%2'\n").arg(id).arg(name);
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for (VoiceList::const_iterator i = voicelist.constBegin(); i != voicelist.constEnd(); ++i) {
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res += QString("voice %1 map staff data %2\n")
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.arg(i.key() + 1)
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.arg(i.value().toString());
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}
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for (int i = 0; i < measureNumbers.size(); ++i) {
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if (i > 0)
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res += "\n";
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res += QString("measure %1 duration %2 (%3)")
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.arg(measureNumbers.at(i))
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.arg(measureDurations.at(i).print())
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.arg(measureDurations.at(i).ticks());
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}
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return res;
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}
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MxmlReaderFirstPass::MxmlReaderFirstPass()
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{
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qDebug("MxmlReaderFirstPass::MxmlReaderFirstPass()");
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}
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// allocate MuseScore staff to MusicXML voices
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// for each staff, allocate at most VOICES voices to the staff
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//
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// for regular (non-overlapping) voices:
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// 1) assign voice to a staff (allocateStaves)
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// 2) assign voice numbers (allocateVoices)
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// due to cross-staving, it is not a priori clear to which staff
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// a voice has to be assigned
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// allocate ordered by number of chordrests in the MusicXML voice
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//
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// for overlapping voices:
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// 1) assign voice to staves it is found in (allocateStaves)
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// 2) assign voice numbers (allocateVoices)
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static void allocateStaves(VoiceList& vcLst)
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{
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// initialize
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int voicesAllocated[MAX_STAVES]; // number of voices allocated on each staff
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for (int i = 0; i < MAX_STAVES; ++i)
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voicesAllocated[i] = 0;
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// handle regular (non-overlapping) voices
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// note: outer loop executed vcLst.size() times, as each inner loop handles exactly one item
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for (int i = 0; i < vcLst.size(); ++i) {
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// find the regular voice containing the highest number of chords and rests that has not been handled yet
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int max = 0;
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QString key;
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for (VoiceList::const_iterator j = vcLst.constBegin(); j != vcLst.constEnd(); ++j) {
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if (!j.value().overlaps() && j.value().numberChordRests() > max && j.value().staff() == -1) {
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max = j.value().numberChordRests();
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key = j.key();
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}
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}
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if (key != "") {
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int prefSt = vcLst.value(key).preferredStaff();
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if (voicesAllocated[prefSt] < VOICES) {
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vcLst[key].setStaff(prefSt);
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voicesAllocated[prefSt]++;
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}
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else
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// out of voices: mark as used but not allocated
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vcLst[key].setStaff(-2);
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}
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}
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// handle overlapping voices
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// for every staff allocate remaining voices (if space allows)
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// the ones with the highest number of chords and rests get allocated first
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for (int h = 0; h < MAX_STAVES; ++h) {
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// note: middle loop executed vcLst.size() times, as each inner loop handles exactly one item
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for (int i = 0; i < vcLst.size(); ++i) {
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// find the overlapping voice containing the highest number of chords and rests that has not been handled yet
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int max = 0;
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QString key;
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for (VoiceList::const_iterator j = vcLst.constBegin(); j != vcLst.constEnd(); ++j) {
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if (j.value().overlaps() && j.value().numberChordRests(h) > max && j.value().staffAlloc(h) == -1) {
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max = j.value().numberChordRests(h);
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key = j.key();
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}
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}
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if (key != "") {
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int prefSt = h;
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if (voicesAllocated[prefSt] < VOICES) {
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vcLst[key].setStaffAlloc(prefSt, 1);
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voicesAllocated[prefSt]++;
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}
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else
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// out of voices: mark as used but not allocated
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vcLst[key].setStaffAlloc(prefSt, -2);
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}
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}
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}
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}
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// allocate MuseScore voice to MusicXML voices
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// for each staff, the voices are number 1, 2, 3, 4
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// in the same order they are numbered in the MusicXML file
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static void allocateVoices(VoiceList& vcLst)
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{
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int nextVoice[MAX_STAVES]; // number of voices allocated on each staff
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for (int i = 0; i < MAX_STAVES; ++i)
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nextVoice[i] = 0;
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// handle regular (non-overlapping) voices
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// a voice is allocated on one specific staff
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for (VoiceList::const_iterator i = vcLst.constBegin(); i != vcLst.constEnd(); ++i) {
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int staff = i.value().staff();
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QString key = i.key();
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if (staff >= 0) {
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vcLst[key].setVoice(nextVoice[staff]);
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nextVoice[staff]++;
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}
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}
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// handle overlapping voices
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// each voice may be in every staff
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for (VoiceList::const_iterator i = vcLst.constBegin(); i != vcLst.constEnd(); ++i) {
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for (int j = 0; j < MAX_STAVES; ++j) {
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int staffAlloc = i.value().staffAlloc(j);
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QString key = i.key();
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if (staffAlloc >= 0) {
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vcLst[key].setVoice(j, nextVoice[j]);
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nextVoice[j]++;
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}
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}
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}
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}
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// copy the overlap data from the overlap detector to the voice list
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static void copyOverlapData(VoiceOverlapDetector& vod, VoiceList& vcLst)
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{
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for (VoiceList::const_iterator i = vcLst.constBegin(); i != vcLst.constEnd(); ++i) {
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QString key = i.key();
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if (vod.stavesOverlap(key))
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vcLst[key].setOverlap(true);
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}
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}
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//---------------------------------------------------------
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// determineTimeSig
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//---------------------------------------------------------
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/**
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Determine the time signature based on \a beats, \a beatType and \a timeSymbol.
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Sets return parameters \a st, \a bts, \a btp.
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Return true if OK, false on error.
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*/
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static bool determineTimeSig(const QString beats, const QString beatType, const QString timeSymbol,
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TimeSigType& st, int& bts, int& btp)
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{
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// initialize
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st = TSIG_NORMAL;
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bts = 0; // the beats (max 4 separated by "+") as integer
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btp = 0; // beat-type as integer
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// determine if timesig is valid
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if (beats == "2" && beatType == "2" && timeSymbol == "cut") {
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st = TSIG_ALLA_BREVE;
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bts = 2;
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btp = 2;
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return true;
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}
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else if (beats == "4" && beatType == "4" && timeSymbol == "common") {
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st = TSIG_FOUR_FOUR;
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bts = 4;
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btp = 4;
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return true;
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}
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else {
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if (!timeSymbol.isEmpty()) {
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qDebug("ImportMusicXml: time symbol <%s> not recognized with beats=%s and beat-type=%s",
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qPrintable(timeSymbol), qPrintable(beats), qPrintable(beatType));
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return false;
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}
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btp = beatType.toInt();
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QStringList list = beats.split("+");
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for (int i = 0; i < list.size(); i++)
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bts += list.at(i).toInt();
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}
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return true;
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}
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/**
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Setup the voice mapper for a MusicXML part.
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In: e is the "part" node
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*/
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void MxmlReaderFirstPass::initVoiceMapperAndMapVoices(QDomElement e, int partNr)
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{
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VoiceOverlapDetector vod;
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int loc_divisions = -1;
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Fraction loc_tick;
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Fraction loc_maxtick;
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QString beats = "";
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QString beatType = "";
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int timeSigLen = -1; // measure length in ticks according to the last timesig read
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// count number of chordrests on each MusicXML staff
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for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
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if (e.tagName() == "measure") {
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Fraction measureStartTick = loc_tick;
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QString measureNumber = e.attribute("number");
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vod.newMeasure();
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for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
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if (ee.tagName() == "attributes") {
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for (QDomElement eee = ee.firstChildElement(); !eee.isNull(); eee = eee.nextSiblingElement()) {
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if (eee.tagName() == "divisions") {
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bool ok;
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loc_divisions = MxmlSupport::stringToInt(eee.text(), &ok);
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if (!ok || loc_divisions <= 0)
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qDebug("MusicXml-Import: bad divisions value: <%s>",
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qPrintable(eee.text()));
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#ifdef DEBUG_TICK
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qDebug("measurelength loc_divisions %d", loc_divisions);
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#endif
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}
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else if (eee.tagName() == "time") {
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for (QDomElement eeee = eee.firstChildElement(); !eeee.isNull(); eeee = eeee.nextSiblingElement()) {
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if (eeee.tagName() == "beats")
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|
beats = eeee.text();
|
|
else if (eeee.tagName() == "beat-type") {
|
|
beatType = eeee.text();
|
|
}
|
|
else if (eeee.tagName() == "senza-misura")
|
|
;
|
|
else
|
|
domError(eeee);
|
|
}
|
|
if (beats != "" && beatType != "") {
|
|
TimeSigType st = TSIG_NORMAL;
|
|
int bts = 0; // the beats (max 4 separated by "+") as integer
|
|
int btp = 0; // beat-type as integer
|
|
#ifdef DEBUG_TICK
|
|
qDebug("measurelength beats %s beattype %s",
|
|
qPrintable(beats), qPrintable(beatType));
|
|
#endif
|
|
if (determineTimeSig(beats, beatType, "", st, bts, btp)) {
|
|
Fraction f(bts, btp);
|
|
timeSigLen = f.ticks();
|
|
#ifdef DEBUG_TICK
|
|
qDebug("measurelength fraction %s len %d",
|
|
qPrintable(f.print()), timeSigLen);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// most of following tags can only be handled if duration is valid
|
|
if (loc_divisions > 0) {
|
|
if (ee.tagName() == "note") {
|
|
bool chord = false;
|
|
bool grace = false;
|
|
QString voice = "1"; // correct default for missing voice
|
|
QString pitch = " ";
|
|
int staff = 0; // correct default for missing staff
|
|
bool rest = false;
|
|
for (QDomElement eee = ee.firstChildElement(); !eee.isNull(); eee = eee.nextSiblingElement()) {
|
|
QString tag(eee.tagName());
|
|
QString s(eee.text());
|
|
if (tag == "chord")
|
|
chord = true;
|
|
else if (tag == "grace")
|
|
grace = true;
|
|
else if (tag == "voice")
|
|
voice = s;
|
|
else if (tag == "staff")
|
|
staff = s.toInt() - 1;
|
|
else if (tag == "pitch")
|
|
; // TODO pitch = parsePitch(eee);
|
|
else if (tag == "rest")
|
|
rest = true;
|
|
}
|
|
if (rest)
|
|
pitch = "rest";
|
|
if (!chord) {
|
|
// count the chords (only the first note in a chord is counted)
|
|
if (0 <= staff && staff < MAX_STAVES) {
|
|
if (!parts[partNr].voicelist.contains(voice)) {
|
|
VoiceDesc vs;
|
|
parts[partNr].voicelist.insert(voice, vs);
|
|
}
|
|
parts[partNr].voicelist[voice].incrChordRests(staff);
|
|
}
|
|
// determine note length for voice overlap detection
|
|
if (!grace) {
|
|
Fraction startTick = loc_tick; // start tick for the last note
|
|
Fraction duration;
|
|
QString noteDurDesc;
|
|
QString errorStr;
|
|
aaamoveTick(loc_tick, loc_maxtick, loc_divisions, ee,
|
|
duration, noteDurDesc, errorStr);
|
|
// TODO: migrate voice overlap detector to Fraction
|
|
vod.addNote(startTick.ticks(), loc_tick.ticks(), voice, staff);
|
|
}
|
|
}
|
|
}
|
|
else if (ee.tagName() == "backup") {
|
|
Fraction dummyFr;
|
|
QString noteDurDesc;
|
|
QString errorStr;
|
|
aaamoveTick(loc_tick, loc_maxtick, loc_divisions, ee, dummyFr, noteDurDesc, errorStr);
|
|
}
|
|
else if (ee.tagName() == "forward") {
|
|
QString dummyStr;
|
|
Fraction dummyFr;
|
|
QString errorStr;
|
|
aaamoveTick(loc_tick, loc_maxtick, loc_divisions, ee, dummyFr, dummyStr, errorStr);
|
|
}
|
|
}
|
|
}
|
|
// debug vod
|
|
// vod.dump();
|
|
// copy overlap data from vod to voicelist
|
|
copyOverlapData(vod, parts[partNr].voicelist);
|
|
|
|
// set measure number and duration
|
|
Fraction fMeasureDuration;
|
|
if (measureStartTick.isValid() && loc_maxtick.isValid()) {
|
|
fMeasureDuration = loc_maxtick - measureStartTick;
|
|
fMeasureDuration.reduce();
|
|
}
|
|
|
|
// fix for PDFtoMusic Pro v1.3.0d Build BF4E (which sometimes generates empty measures)
|
|
// if no valid length found and length according to time signature is known,
|
|
// use length according to time signature
|
|
// TODO: use fraction instead of timeSigLen
|
|
if (fMeasureDuration.isZero() && timeSigLen > 0)
|
|
fMeasureDuration = Fraction::fromTicks(timeSigLen);
|
|
|
|
// if necessary, round up to an integral number of 1/64s,
|
|
// to comply with MuseScores actual measure length constraints
|
|
// TODO: calculate in fraction
|
|
int length = fMeasureDuration.ticks();
|
|
if ((length % (MScore::division/16)) != 0) {
|
|
int correctedLength = ((length / (MScore::division/16)) + 1) * (MScore::division/16);
|
|
fMeasureDuration = Fraction::fromTicks(correctedLength);
|
|
}
|
|
|
|
parts[partNr].addMeasureNumberAndDuration(measureNumber, fMeasureDuration);
|
|
|
|
} // e.tagName() == "measure"
|
|
}
|
|
|
|
// allocate MuseScore staff to MusicXML voices
|
|
allocateStaves(parts[partNr].voicelist);
|
|
// allocate MuseScore voice to MusicXML voices
|
|
allocateVoices(parts[partNr].voicelist);
|
|
|
|
// debug: print results
|
|
/*
|
|
qDebug("voiceMapperStats: new staff");
|
|
for (VoiceList::const_iterator i = parts[partNr].voicelist.constBegin();
|
|
i != parts[partNr].voicelist.constEnd(); ++i) {
|
|
qDebug("voiceMapperStats: voice %s staff data %s",
|
|
qPrintable(i.key()), qPrintable(i.value().toString()));
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------
|
|
// determineMeasureLength
|
|
//---------------------------------------------------------
|
|
|
|
/**
|
|
Determine the length in ticks of each measure in all parts.
|
|
Return false on error.
|
|
*/
|
|
|
|
// TODO set measurelength in fraction
|
|
|
|
bool MxmlReaderFirstPass::determineMeasureLength(QVector<int>& ml) const
|
|
{
|
|
ml.clear();
|
|
|
|
// determine number of measures: max number of measures in any part
|
|
int nMeasures = 0;
|
|
for (int j = 0; j < parts.size(); ++j) {
|
|
int nMeasPartJ = parts.at(j).nMeasures();
|
|
if (nMeasPartJ > nMeasures)
|
|
nMeasures = nMeasPartJ;
|
|
}
|
|
|
|
// determine max length of a specific measure in all parts
|
|
for (int i = 0; i < nMeasures; ++i) {
|
|
Fraction maxMeasDur;
|
|
for (int j = 0; j < parts.size(); ++j) {
|
|
if (i < parts.at(j).nMeasures()) {
|
|
Fraction measDurPartJ = parts.at(j).measureDuration(i);
|
|
if (measDurPartJ > maxMeasDur)
|
|
maxMeasDur = measDurPartJ;
|
|
}
|
|
}
|
|
// qDebug("determineMeasureLength() measure %d %s (%d)", i, qPrintable(maxMeasDur.print()), maxMeasDur.ticks());
|
|
ml.append(maxMeasDur.ticks());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
VoiceList MxmlReaderFirstPass::getVoiceList(const int i) const
|
|
{
|
|
if (i >= 0 && i < nParts())
|
|
return parts.at(i).voicelist;
|
|
else
|
|
return VoiceList();
|
|
}
|
|
|
|
|
|
VoiceList MxmlReaderFirstPass::getVoiceList(const QString id) const
|
|
{
|
|
for (int i = 0; i < nParts(); ++i) {
|
|
if (parts.at(i).getId() == id)
|
|
return parts.at(i).voicelist;
|
|
}
|
|
return VoiceList();
|
|
}
|
|
|
|
|
|
Score::FileError MxmlReaderFirstPass::setContent(QIODevice* d)
|
|
{
|
|
int line;
|
|
int column;
|
|
QString err;
|
|
|
|
if (!doc.setContent(d, false, &err, &line, &column)) {
|
|
QString s = QT_TRANSLATE_NOOP("file", "error at line %1 column %2: %3\n");
|
|
MScore::lastError = s.arg(line).arg(column).arg(err);
|
|
return Score::FILE_BAD_FORMAT;
|
|
}
|
|
|
|
// return OK
|
|
return Score::FILE_NO_ERROR;
|
|
}
|
|
|
|
|
|
// parse the part
|
|
// in: e is the "part" node
|
|
// equivalent to MuseScores xmlPart
|
|
|
|
void MxmlReaderFirstPass::parsePart(const QDomElement e, QString& /* partName */, int partNr)
|
|
{
|
|
initVoiceMapperAndMapVoices(e, partNr);
|
|
}
|
|
|
|
|
|
// parse the part list
|
|
// in: e is the "part-list" node
|
|
// creates the parts and for each part sets id and name
|
|
|
|
void MxmlReaderFirstPass::parsePartList(QDomElement e)
|
|
{
|
|
QString partId;
|
|
QString partName;
|
|
for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
|
|
if (e.tagName() == "score-part") {
|
|
partId = e.attribute("id");
|
|
for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
|
|
if (ee.tagName() == "part-name")
|
|
partName = ee.text();
|
|
else {
|
|
; // ignore
|
|
}
|
|
}
|
|
parts.append(MusicXmlPart(partId, partName));
|
|
}
|
|
else {
|
|
; // ignore
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// parse the file
|
|
|
|
void MxmlReaderFirstPass::parseFile()
|
|
{
|
|
qDebug("MxmlReaderFirstPass::parseFile() begin");
|
|
QTime t;
|
|
t.start();
|
|
// get the root element
|
|
QDomElement e = doc.documentElement();
|
|
|
|
// read the score
|
|
int partNr = 0; // part number while reading parts
|
|
qDebug("part list");
|
|
for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
|
|
if (e.tagName() == "part") {
|
|
QString partName = e.attribute("id");
|
|
parsePart(e, partName, partNr);
|
|
++partNr;
|
|
qDebug("part %d id '%s'", partNr, qPrintable(partName));
|
|
}
|
|
else if (e.tagName() == "part-list") {
|
|
parsePartList(e);
|
|
}
|
|
else {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
// debug: print results
|
|
/*
|
|
for (int i = 0; i < parts.size(); ++i) {
|
|
qDebug("part %d\n%s", i + 1, qPrintable(parts.at(i).toString()));
|
|
}
|
|
*/
|
|
|
|
qDebug("Parsing time elapsed: %d ms", t.elapsed());
|
|
qDebug("MxmlReaderFirstPass::parseFile() end");
|
|
}
|
|
}
|
|
|