/**
* Přečte celou petriho síť z reader a uloží ji do myPetriNet
* @param reader obsahuje stream reader s xml
* @return 0 Ok, jinak chyba
*/
int XMLHandler::readPetriNet(QXmlStreamReader *reader)
{
//reader->readNext(); //prectu zacatek dokumentu
while(!reader->atEnd() && !reader->hasError())
{
if(reader->isStartElement() && reader->name()=="petrinet")
{
myPetriNet->setName(reader->attributes().value("name").toString());
myPetriNet->setVersion(reader->attributes().value("version").toString());
myPetriNet->setAuthor(reader->attributes().value("author").toString());
while(!(reader->isEndElement() && reader->name() == "petrinet") &&
!reader->hasError())
{
if (reader->isStartElement())
{
if(reader->name() =="description")
{
myPetriNet->setDescription(reader->readElementText());
}
else if (reader->name() == "place" )
{
readPlace(reader);
}
else if (reader->name() == "transition")
{
readTransition(reader);
}
else if (reader->name() == "arc")
{
readArc(reader);
}
}
reader->readNext();
}
}
reader->readNext();
}
if (reader->hasError())
{
qDebug() << "reader->hasErrror()" << reader->errorString();
return -1;
}
reader->clear();
return 0;
}
Clip* XMLizer::readClip( QDomElement &element, QList<Source*> *sourcesList, Scene *scene, bool &readError )
{
QDomNodeList nodes = element.childNodes();
QString name;
double posInTrack = 0;
double startTime = 0;
double length = 0;
double speed = 1;
bool okName = false, okPos = false, okStart = false, okLen = false;
Clip *clip = NULL;
speed = element.attribute( "speed" ).toDouble();
if ( speed == 0.0 )
speed = 1.0;
for ( int i = 0; i < nodes.count(); ++i ) {
QDomElement e = nodes.at( i ).toElement();
if ( e.isNull() )
continue;
if ( e.tagName() == "Name" ) {
name = e.text();
okName = true;
}
else if ( e.tagName() == "PosInTrack" ) {
posInTrack = e.text().toDouble();
okPos = true;
}
else if ( e.tagName() == "StartTime" ) {
startTime = e.text().toDouble();
okStart = true;
}
else if ( e.tagName() == "Length" ) {
length = e.text().toDouble();
okLen = true;
}
}
if ( !( okName && okPos && okStart && okLen ) ) {
readError = true;
return clip;
}
// check if source exists and create clip
for ( int i = 0; i < sourcesList->count(); ++i ) {
if ( sourcesList->at(i)->getFileName() == name ) {
clip = scene->createClip( sourcesList->at(i), posInTrack, startTime, length );
break;
}
}
if ( !clip ) {
readError = true;
return clip;
}
clip->setSpeed( speed );
for ( int i = 0; i < nodes.count(); ++i ) {
QDomElement e = nodes.at( i ).toElement();
if ( e.isNull() )
continue;
if ( e.tagName() == "VideoFilter" ) {
QSharedPointer<Filter> f = readFilter( e, false, readError );
if ( !f.isNull() ) {
if ( f->getIdentifier() == "GLStabilize" ) {
GLStabilize *stab = (GLStabilize*)f.data();
stab->setSource( clip->getSource() );
}
clip->videoFilters.append( f.staticCast<GLFilter>() );
}
}
else if ( e.tagName() == "AudioFilter" ) {
QSharedPointer<Filter> f = readFilter( e, true, readError );
if ( !f.isNull() )
clip->audioFilters.append( f.staticCast<AudioFilter>() );
}
else if ( e.tagName() == "Transition" ) {
readTransition( e, clip, readError );
}
}
return clip;
}
