MuseScore/libmscore/xml.cpp
Werner Schweer 1f9ccfcdce add libmscore
git-subtree-dir: libmscore
git-subtree-mainline: 412ca45401
git-subtree-split: 6047361bd0
2012-05-26 14:54:47 +02:00

662 lines
21 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: xml.cpp 5568 2012-04-22 10:08:43Z wschweer $
//
// Copyright (C) 2002-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "xml.h"
#include "layoutbreak.h"
QString docName;
//---------------------------------------------------------
// compareProperty
//---------------------------------------------------------
template <class T>
bool compareProperty(void* val, void* defaultVal)
{
return (defaultVal == 0) || (*(T*)val != *(T*)defaultVal);
}
//---------------------------------------------------------
// Xml
//---------------------------------------------------------
Xml::Xml()
{
stack.clear();
curTick = 0;
curTrack = -1;
tickDiff = 0;
trackDiff = 0;
clipboardmode = false;
excerptmode = false;
tupletId = 1;
beamId = 1;
spannerId = 1;
writeOmr = true;
}
Xml::Xml(QIODevice* device)
: QTextStream(device)
{
setCodec("utf8");
stack.clear();
curTick = 0;
curTrack = -1;
tickDiff = 0;
trackDiff = 0;
clipboardmode = false;
excerptmode = false;
tupletId = 1;
beamId = 1;
spannerId = 1;
writeOmr = true;
}
//---------------------------------------------------------
// pTag
//---------------------------------------------------------
void Xml::pTag(const char* name, Placement place)
{
const char* tags[] = {
"auto", "above", "below", "left"
};
tag(name, tags[int(place)]);
}
//---------------------------------------------------------
// readPlacement
//---------------------------------------------------------
Placement readPlacement(const QDomElement& e)
{
const QString& s(e.text());
if (s == "auto" || s == "0")
return PLACE_AUTO;
if (s == "above" || s == "1")
return PLACE_ABOVE;
if (s == "below" || s == "2")
return PLACE_BELOW;
if (s == "left" || s == "3")
return PLACE_LEFT;
qDebug("unknown placement value <%s>\n", qPrintable(s));
return PLACE_AUTO;
}
//---------------------------------------------------------
// fTag
//---------------------------------------------------------
void Xml::fTag(const char* name, const Fraction& f)
{
tagE(QString("%1 z=\"%2\" n=\"%3\"").arg(name).arg(f.numerator()).arg(f.denominator()));
}
//---------------------------------------------------------
// readFraction
//---------------------------------------------------------
Fraction readFraction(const QDomElement& e)
{
qreal z = e.attribute("z", "0.0").toDouble();
qreal n = e.attribute("n", "0.0").toDouble();
return Fraction(z, n);
}
//---------------------------------------------------------
// putLevel
//---------------------------------------------------------
void Xml::putLevel()
{
int level = stack.size();
for (int i = 0; i < level * 2; ++i)
*this << ' ';
}
//---------------------------------------------------------
// header
//---------------------------------------------------------
void Xml::header()
{
*this << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
}
//---------------------------------------------------------
// stag
// <mops attribute="value">
//---------------------------------------------------------
void Xml::stag(const QString& s)
{
putLevel();
*this << '<' << s << '>' << endl;
stack.append(s.split(' ')[0]);
}
//---------------------------------------------------------
// etag
// </mops>
//---------------------------------------------------------
void Xml::etag()
{
putLevel();
*this << "</" << stack.takeLast() << '>' << endl;
}
//---------------------------------------------------------
// tagE
// <mops attribute="value"/>
//---------------------------------------------------------
void Xml::tagE(const char* format, ...)
{
va_list args;
va_start(args, format);
putLevel();
*this << '<';
char buffer[BS];
vsnprintf(buffer, BS, format, args);
*this << buffer;
va_end(args);
*this << "/>" << endl;
}
//---------------------------------------------------------
// tagE
//---------------------------------------------------------
void Xml::tagE(const QString& s)
{
putLevel();
*this << '<' << s << "/>\n";
}
//---------------------------------------------------------
// ntag
// <mops> without newline
//---------------------------------------------------------
void Xml::ntag(const char* name)
{
putLevel();
*this << "<" << name << ">";
}
//---------------------------------------------------------
// netag
// </mops> without indentation
//---------------------------------------------------------
void Xml::netag(const char* s)
{
*this << "</" << s << '>' << endl;
}
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Xml::tag(P_ID id, QVariant data, QVariant defaultData)
{
if (data == defaultData)
return;
const char* name = propertyName(id);
if (name == 0)
return;
switch(propertyType(id)) {
case T_BOOL:
case T_SUBTYPE:
case T_INT:
case T_SREAL:
case T_REAL:
case T_SCALE:
case T_POINT:
case T_SIZE:
case T_COLOR:
tag(name, data);
break;
#if 0
case T_FRACTION:
fTag(name, *(Fraction*)data);
break;
#endif
case T_DIRECTION:
switch(Direction(data.toInt())) {
case UP:
tag(name, QVariant("up"));
break;
case DOWN:
tag(name, QVariant("down"));
break;
case AUTO:
break;
}
break;
case T_DIRECTION_H:
switch(DirectionH(data.toInt())) {
case DH_LEFT:
tag(name, QVariant("left"));
break;
case DH_RIGHT:
tag(name, QVariant("right"));
break;
case DH_AUTO:
break;
}
break;
case T_LAYOUT_BREAK:
switch(LayoutBreakType(data.toInt())) {
case LAYOUT_BREAK_LINE:
tag(name, QVariant("line"));
break;
case LAYOUT_BREAK_PAGE:
tag(name, QVariant("page"));
break;
case LAYOUT_BREAK_SECTION:
tag(name, QVariant("section"));
break;
}
break;
case T_VALUE_TYPE:
switch(ValueType(data.toInt())) {
case OFFSET_VAL:
tag(name, QVariant("offset"));
break;
case USER_VAL:
tag(name, QVariant("user"));
break;
}
break;
default:
abort();
}
}
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Xml::tag(P_ID id, void* data, void* defaultVal)
{
const char* name = propertyName(id);
if (name == 0)
return;
switch(propertyType(id)) {
case T_BOOL:
if (compareProperty<bool>(data, defaultVal))
tag(name, QVariant(*(bool*)data));
break;
case T_SUBTYPE:
case T_INT:
if (compareProperty<int>(data, defaultVal))
tag(name, QVariant(*(int*)data));
break;
case T_SREAL:
case T_REAL:
if (compareProperty<qreal>(data, defaultVal))
tag(name, QVariant(*(qreal*)data));
break;
case T_FRACTION:
if (compareProperty<Fraction>(data, defaultVal))
fTag(name, *(Fraction*)data);
break;
case T_SCALE:
case T_POINT:
if (compareProperty<QPointF>(data, defaultVal))
tag(name, QVariant(*(QPointF*)data));
break;
case T_SIZE:
if (compareProperty<QSizeF>(data, defaultVal))
tag(name, QVariant(*(QSizeF*)data));
break;
case T_COLOR:
if (compareProperty<QColor>(data, defaultVal))
tag(name, QVariant(*(QColor*)data));
break;
case T_DIRECTION:
if (compareProperty<Direction>(data, defaultVal)) {
switch(Direction(*(Direction*)data)) {
case UP:
tag(name, QVariant("up"));
break;
case DOWN:
tag(name, QVariant("down"));
break;
case AUTO:
break;
}
}
break;
case T_DIRECTION_H:
if (compareProperty<DirectionH>(data, defaultVal)) {
switch(DirectionH(*(DirectionH*)data)) {
case DH_LEFT:
tag(name, QVariant("left"));
break;
case DH_RIGHT:
tag(name, QVariant("right"));
break;
case DH_AUTO:
break;
}
}
break;
case T_LAYOUT_BREAK:
if (compareProperty<LayoutBreakType>(data, defaultVal)) {
switch(*(LayoutBreakType*)data) {
case LAYOUT_BREAK_LINE:
tag(name, QVariant("line"));
break;
case LAYOUT_BREAK_PAGE:
tag(name, QVariant("page"));
break;
case LAYOUT_BREAK_SECTION:
tag(name, QVariant("section"));
break;
}
}
break;
case T_VALUE_TYPE:
if (compareProperty<ValueType>(data, defaultVal)) {
switch(*(ValueType*)data) {
case OFFSET_VAL:
tag(name, QVariant("offset"));
break;
case USER_VAL:
tag(name, QVariant("user"));
break;
}
}
break;
}
}
//---------------------------------------------------------
// tag
// <mops>value</mops>
//---------------------------------------------------------
void Xml::tag(const char* name, QVariant data, QVariant defaultData)
{
if (data != defaultData)
tag(QString(name), data);
}
void Xml::tag(const QString& name, QVariant data)
{
QString ename(name.split(' ')[0]);
putLevel();
switch(data.type()) {
case QVariant::Bool:
case QVariant::Char:
case QVariant::Int:
case QVariant::UInt:
*this << "<" << name << ">";
*this << data.toInt();
*this << "</" << ename << ">\n";
break;
case QVariant::Double:
*this << "<" << name << ">";
*this << data.value<double>();
*this << "</" << ename << ">\n";
break;
case QVariant::String:
*this << "<" << name << ">";
*this << xmlString(data.value<QString>());
*this << "</" << ename << ">\n";
break;
case QVariant::Color:
{
QColor color(data.value<QColor>());
*this << QString("<%1 r=\"%2\" g=\"%3\" b=\"%4\"/>\n").arg(name).arg(color.red()).arg(color.green()).arg(color.blue());
}
break;
case QVariant::Rect:
{
QRect r(data.value<QRect>());
*this << QString("<%1 x=\"%2\" y=\"%3\" w=\"%4\" h=\"%5\"/>\n").arg(name).arg(r.x()).arg(r.y()).arg(r.width()).arg(r.height());
}
break;
case QVariant::RectF:
{
QRectF r(data.value<QRectF>());
*this << QString("<%1 x=\"%2\" y=\"%3\" w=\"%4\" h=\"%5\"/>\n").arg(name).arg(r.x()).arg(r.y()).arg(r.width()).arg(r.height());
}
break;
case QVariant::PointF:
{
QPointF p(data.value<QPointF>());
*this << QString("<%1 x=\"%2\" y=\"%3\"/>\n").arg(name).arg(p.x()).arg(p.y());
}
break;
case QVariant::SizeF:
{
QSizeF p(data.value<QSizeF>());
*this << QString("<%1 w=\"%2\" h=\"%3\"/>\n").arg(name).arg(p.width()).arg(p.height());
}
break;
default:
qDebug("Xml::tag: unsupported type %d\n", data.type());
// abort();
break;
}
}
void Xml::tag(const char* name, const QWidget* g)
{
tag(name, QRect(g->pos(), g->size()));
}
//---------------------------------------------------------
// xmlString
//---------------------------------------------------------
QString Xml::xmlString(const QString& ss)
{
QString s(ss);
s.replace('&', "&amp;");
s.replace('<', "&lt;");
s.replace('>', "&gt;");
s.replace('\'', "&apos;");
s.replace('"', "&quot;");
return s;
}
//---------------------------------------------------------
// dump
//---------------------------------------------------------
void Xml::dump(int len, const unsigned char* p)
{
putLevel();
int col = 0;
setFieldWidth(5);
setNumberFlags(numberFlags() | QTextStream::ShowBase);
setIntegerBase(16);
for (int i = 0; i < len; ++i, ++col) {
if (col >= 16) {
setFieldWidth(0);
*this << endl;
col = 0;
putLevel();
setFieldWidth(5);
}
*this << (p[i] & 0xff);
}
if (col)
*this << endl << dec;
setFieldWidth(0);
setIntegerBase(10);
}
//---------------------------------------------------------
// readPoint
//---------------------------------------------------------
QPointF readPoint(const QDomElement& e)
{
QPointF p;
p.setX(e.attribute("x", "0.0").toDouble());
p.setY(e.attribute("y", "0.0").toDouble());
return p;
}
//---------------------------------------------------------
// readColor
//---------------------------------------------------------
QColor readColor(const QDomElement& e)
{
QColor c;
c.setRed(e.attribute("r").toInt());
c.setGreen(e.attribute("g").toInt());
c.setBlue(e.attribute("b").toInt());
return c;
}
//---------------------------------------------------------
// readSize
//---------------------------------------------------------
QSizeF readSize(const QDomElement& e)
{
QSizeF p;
p.setWidth(e.attribute("w", "0.0").toDouble());
p.setHeight(e.attribute("h", "0.0").toDouble());
return p;
}
//---------------------------------------------------------
// readRectF
//---------------------------------------------------------
QRectF readRectF(const QDomElement& e)
{
QRectF p;
p.setX(e.attribute("x", "0.0").toDouble());
p.setY(e.attribute("y", "0.0").toDouble());
p.setWidth(e.attribute("w", "0.0").toDouble());
p.setHeight(e.attribute("h", "0.0").toDouble());
return p;
}
//---------------------------------------------------------
// printDomElementPath
//---------------------------------------------------------
static QString domElementPath(const QDomElement& e)
{
QString s;
QDomNode dn(e);
while (!dn.parentNode().isNull()) {
dn = dn.parentNode();
const QDomElement& e = dn.toElement();
const QString k(e.tagName());
if (!s.isEmpty())
s += ":";
s += k;
}
return s;
}
//---------------------------------------------------------
// domError
//---------------------------------------------------------
void domError(const QDomElement& e)
{
QString m;
QString s = domElementPath(e);
if (!docName.isEmpty())
m = QString("<%1>:").arg(docName);
int ln = e.lineNumber();
if (ln != -1)
m += QString("line:%1 ").arg(ln);
int col = e.columnNumber();
if (col != -1)
m += QString("col:%1 ").arg(col);
m += QString("%1: Unknown Node <%2>, type %3").arg(s).arg(e.tagName()).arg(e.nodeType());
if (e.isText())
m += QString(" text node <%1>").arg(e.toText().data());
qDebug("%s", qPrintable(m));
}
//---------------------------------------------------------
// domNotImplemented
//---------------------------------------------------------
void domNotImplemented(const QDomElement& e)
{
if (!MScore::debugMode)
return;
QString s = domElementPath(e);
if (!docName.isEmpty())
qDebug("<%s>:", qPrintable(docName));
qDebug("%s: Node not implemented: <%s>, type %d\n",
qPrintable(s), qPrintable(e.tagName()), e.nodeType());
if (e.isText())
qDebug(" text node <%s>\n", qPrintable(e.toText().data()));
}
//---------------------------------------------------------
// htmlToString
//---------------------------------------------------------
void Xml::htmlToString(const QDomElement& e, int level, QString* s)
{
*s += QString("<%1").arg(e.tagName());
QDomNamedNodeMap map = e.attributes();
int n = map.size();
for (int i = 0; i < n; ++i) {
QDomAttr a = map.item(i).toAttr();
*s += QString(" %1=\"%2\"").arg(a.name()).arg(a.value());
}
*s += ">";
++level;
for (QDomNode ee = e.firstChild(); !ee.isNull(); ee = ee.nextSibling()) {
if (ee.nodeType() == QDomNode::ElementNode)
htmlToString(ee.toElement(), level, s);
else if (ee.nodeType() == QDomNode::TextNode)
*s += Qt::escape(ee.toText().data());
}
*s += QString("</%1>").arg(e.tagName());
--level;
}
QString Xml::htmlToString(const QDomElement& e)
{
QString s;
htmlToString(e, 0, &s);
return s;
}
//---------------------------------------------------------
// writeHtml
//---------------------------------------------------------
void Xml::writeHtml(const QString& s)
{
QStringList sl(s.split("\n"));
//
// remove first line from html (DOCTYPE...)
//
for (int i = 1; i < sl.size(); ++i)
*this << sl[i] << "\n";
}