bool ParseContext::handleStartElement(QXmlStreamReader &r)
{
const QStringRef name = r.name();
const Element e = element(name);
if (e == VariableElement) {
m_currentVariableName = r.readElementText();
return false;
}
if (!ParseContext::isValueElement(e))
return false;
const QXmlStreamAttributes attributes = r.attributes();
const QString key = attributes.hasAttribute(keyAttribute) ?
attributes.value(keyAttribute).toString() : QString();
switch (e) {
case SimpleValueElement:
// This reads away the end element, so, handle end element right here.
m_valueStack.push_back(ParseValueStackEntry(readSimpleValue(r, attributes), key));
return handleEndElement(name);
case ListValueElement:
m_valueStack.push_back(ParseValueStackEntry(QVariant::List, key));
break;
case MapValueElement:
m_valueStack.push_back(ParseValueStackEntry(QVariant::Map, key));
break;
default:
break;
}
return false;
}
bool XMLParser::parse()
{
const char *node;
int type;
if( !m_pReader ) return false;
m_errors = false;
while( (type = xml_ReaderNextNode( m_pReader, &node )) > 0 )
{
if( m_errors ) return false;
switch( type )
{
case XML_READER_STARTELEM:
{
// Read the attributes
AttrList_t attributes;
const char *name, *value;
while( (name = xml_ReaderNextAttr( m_pReader, &value )) != NULL )
attributes[strdup(name)] = strdup(value);
handleBeginElement( node, attributes );
map<const char*, const char*, ltstr> ::iterator it =
attributes.begin();
while( it != attributes.end() )
{
free( (char *)it->first );
free( (char *)it->second );
++it;
}
break;
}
// End element
case XML_READER_ENDELEM:
{
handleEndElement( node );
break;
}
}
}
return (type == 0 && !m_errors );
}
void MScoreTextToMXML::write(Xml& xml)
{
//qDebug("MScoreTextToMXML::write()");
QXmlStreamReader r(text);
bool firstTime = true; // write additional attributes only the first time characters are written
while (!r.atEnd()) {
// do processing
r.readNext();
if(r.isCharacters()) {
//qDebug("old %s", qPrintable(charFormat2QString(oldFormat)));
//qDebug("new %s", qPrintable(charFormat2QString(newFormat)));
QString formatAttr = updateFormat();
//qDebug("old %s", qPrintable(charFormat2QString(oldFormat)));
//qDebug("new %s", qPrintable(charFormat2QString(newFormat)));
//qDebug("Characters '%s'", qPrintable(r.text().toString()));
xml.tag(tagname + (firstTime ? attribs : "") + formatAttr, r.text().toString());
firstTime = false;
}
else if(r.isEndElement()) {
//qDebug("EndElem '%s'", qPrintable(r.name().toString()));
handleEndElement(r);
}
else if(r.isStartElement()) {
/*
qDebug("StartElem '%s'", qPrintable(r.name().toString()));
if (r.name() == "font")
qDebug(" face='%s' size='%s'",
qPrintable(r.attributes().value("face").toString()),
qPrintable(r.attributes().value("size").toString()));
*/
handleStartElement(r);
}
}
if (r.hasError()) {
// do error handling
qDebug("Error %s", qPrintable(r.errorString()));
}
}
bool ParseContext::handleStartElement(QXmlStreamReader &r)
{
const QStringRef name = r.name();
const Element e = element(name);
if (e == VariableElement) {
m_currentVariableName = r.readElementText();
return false;
}
if (!ParseContext::isValueElement(e))
return false;
const QXmlStreamAttributes attributes = r.attributes();
const QString key = attributes.hasAttribute(keyAttribute) ?
attributes.value(keyAttribute).toString() : QString();
switch (e) {
case SimpleValueElement: {
// This reads away the end element, so, handle end element right here.
const QVariant v = readSimpleValue(r, attributes);
if (!v.isValid()) {
qWarning() << ParseContext::formatWarning(r, QString::fromLatin1("Failed to read element \"%1\".").arg(name.toString()));
return false;
}
m_valueStack.push_back(ParseValueStackEntry(v, key));
return handleEndElement(name);
}
case ListValueElement:
m_valueStack.push_back(ParseValueStackEntry(QVariant::List, key));
break;
case MapValueElement:
m_valueStack.push_back(ParseValueStackEntry(QVariant::Map, key));
break;
default:
break;
}
return false;
}
bool XMLParser::parse()
{
if( !m_pReader )
{
return false;
}
m_errors = false;
int ret = xmlTextReaderRead( m_pReader );
while (ret == 1)
{
if( m_errors )
{
return false;
}
// Get the node type
int type = xmlTextReaderNodeType( m_pReader );
switch (type )
{
// Error
case -1:
return false;
break;
// Begin element
case 1:
{
// Read the element name
const xmlChar *eltName = xmlTextReaderConstName( m_pReader );
if( !eltName )
{
return false;
}
// Read the attributes
AttrList_t attributes;
while( xmlTextReaderMoveToNextAttribute( m_pReader ) == 1 )
{
const xmlChar *name = xmlTextReaderConstName( m_pReader );
const xmlChar *value = xmlTextReaderConstValue( m_pReader );
if( !name || !value )
{
return false;
}
attributes[(const char*)name] = (const char*)value;
}
handleBeginElement( (const char*)eltName, attributes);
break;
}
// End element
case 15:
// Read the element name
const xmlChar *eltName = xmlTextReaderConstName( m_pReader );
if( !eltName )
{
return false;
}
handleEndElement( (const char*)eltName );
break;
}
ret = xmlTextReaderRead( m_pReader );
}
return (ret == 0 && !m_errors );
}
