// Finds the track named \a searchTrack in the music library \a library. Throws XmlTree::ChildNotFoundExc() if none is found.
const XmlTree& findTrackNamed( const XmlTree &library, const std::string &searchTrack )
{
for( XmlTree::ConstIter trackIter = library.begin("album/track"); trackIter != library.end(); ++trackIter ) {
if( trackIter->getValue() == searchTrack )
return *trackIter;
}
// failed to find a track named 'searchTrack'
throw XmlTree::ExcChildNotFound( library, searchTrack );
}
void FlickrTestApp::setup()
{
glEnable( GL_TEXTURE_2D );
const XmlTree xml( loadUrl( Url( "http://api.flickr.com/services/feeds/groups_pool.gne?id=1423039@N24&lang=en-us&format=rss_200" ) ) );
for( XmlTree::ConstIter item = xml.begin( "rss/channel/item" ); item != xml.end(); ++item ) {
mUrls.push_back( item->getChild( "media:content" ).getAttributeValue<Url>( "url" ) );
}
createTextureFromURL();
lastTime = getElapsedSeconds();
activeTex = 0;
}
WarpList Warp::readSettings( const DataSourceRef &source )
{
XmlTree doc;
WarpList warps;
// try to load the specified xml file
try {
doc = XmlTree( source );
}
catch( ... ) {
return warps;
}
// check if this is a valid file
bool isWarp = doc.hasChild( "warpconfig" );
if( !isWarp ) return warps;
//
if( isWarp ) {
// get first profile
XmlTree profileXml = doc.getChild( "warpconfig/profile" );
// iterate maps
for( XmlTree::ConstIter child = profileXml.begin( "map" ); child != profileXml.end(); ++child ) {
XmlTree warpXml = child->getChild( "warp" );
// create warp of the correct type
std::string method = warpXml.getAttributeValue<std::string>( "method", "unknown" );
if( method == "bilinear" ) {
WarpBilinearRef warp( new WarpBilinear() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
else if( method == "perspective" ) {
WarpPerspectiveRef warp( new WarpPerspective() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
else if( method == "perspectivebilinear" ) {
WarpPerspectiveBilinearRef warp( new WarpPerspectiveBilinear() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
}
}
return warps;
}
void EarthquakeApp::parseEarthquakes( const string &url )
{
const XmlTree xml( loadUrl( Url( url ) ) );
for( XmlTree::ConstIter itemIter = xml.begin( "feed/entry" ); itemIter != xml.end(); ++itemIter ) {
string titleLine( itemIter->getChild( "title" ).getValue() );
size_t firstComma = titleLine.find( ',' );
float magnitude = fromString<float>( titleLine.substr( titleLine.find( ' ' ) + 1, firstComma - 2 ) );
string title = titleLine.substr( firstComma + 2 );
istringstream locationString( itemIter->getChild( "georss:point" ).getValue() );
Vec2f locationVector;
locationString >> locationVector.x >> locationVector.y;
mEarth.addQuake( locationVector.x, locationVector.y, magnitude, title );
}
console() << xml << std::endl;
//mEarth.addQuake( 37.7f, -122.0f, 8.6f, "San Francisco" );
}
void ConfigDict::loadXML(DataSourceRef source)
{
XmlTree doc;
try {
doc = XmlTree(source);
} catch(rapidxml::parse_error &e) {
LOG_ERROR("ConfigDict::loadXML - couldnt parse XML data ("<<
"error: "<< e.what() <<" "<<
"file: "<< source->getFilePathHint() <<
")");
}
XmlTree root = *doc.begin();
for(XmlTree::ConstIter setting = root.begin(); setting != root.end(); ++setting)
{
string key = setting->getTag();
string value = setting->getValue();
settings.insert(std::pair<string,string>(key, value) );
}
}
void XMLTestApp::setup()
{
XmlTree doc( loadFile( getAssetPath( "library.xml" ) ) );
XmlTree musicLibrary( doc.getChild( "library" ) );
for( XmlTree::ConstIter item = doc.begin("library/album"); item != doc.end(); ++item ) {
console() << "Node: " << item->getTag() << " Value: " << item->getValue() << endl;
}
for( XmlTree::ConstIter track = doc.begin("library/album/track"); track != doc.end(); ++track )
console() << track->getValue() << endl;
assert( (musicLibrary / "album")["musician"] == "John Coltrane" );
// test that /one/two is equivalent to one/two
vector<string> noLeadingSeparator, leadingSeparator;
for( XmlTree::ConstIter track = doc.begin("library/album/track"); track != doc.end(); ++track )
noLeadingSeparator.push_back( track->getValue() );
for( XmlTree::ConstIter track = doc.begin("/library/album/track"); track != doc.end(); ++track )
leadingSeparator.push_back( track->getValue() );
assert( noLeadingSeparator == leadingSeparator );
XmlTree firstAlbum = doc.getChild( "library/album" );
for( XmlTree::Iter child = firstAlbum.begin(); child != firstAlbum.end(); ++child ) {
console() << "Tag: " << child->getTag() << " Value: " << child->getValue() << endl;
}
console() << doc.getChild( "library/owner/city" );
XmlTree ownerCity = doc.getChild( "///library/////owner/city" );
console() << "Path: " << ownerCity.getPath() << " Value: " << ownerCity.getValue() << std::endl;
console() << doc;
console() << findTrackNamed( doc.getChild( "library" ), "Wolf" );
// Whoops - assignment by value doesn't modifying the original XmlTree
XmlTree firstTrackCopy = doc.getChild( "/library/album/track" );
firstTrackCopy.setValue( "Replacement name" );
console() << doc.getChild( "/library/album/track" ) << std::endl;
XmlTree &firstTrackRef = doc.getChild( "/library/album/track" );
firstTrackRef.setValue( "Replacement name" );
console() << doc.getChild( "/library/album/track" ) << std::endl;
XmlTree albumCopy = copyFirstAlbum( doc / "library" );
console() << ( albumCopy / "track" ).getPath() << std::endl; // should print 'newRoot/track'
// This code only works in VC2010
/* std::for_each( doc.begin( "library/album" ), doc.end(), []( const XmlTree &child ) {
app::console() << child.getChild( "title" ).getValue() << std::endl;
} );*/
}
void CanvasComponent::initFromXml(const XmlTree& xml, bool createNodes)
{
id = xml.getAttributeValue<int>("id");
// when loading a patch, update globalID so future
// nodes will be created with a unique id
if (globalComponentID <= id) {
// increment global id so each component will have a unique id
globalComponentID = id+1;
}
setName(xml.getAttributeValue<std::string>("name"));
Vec2f pos = Vec2f(xml.getAttributeValue<float>("position.x"), xml.getAttributeValue<float>("position.y"));
Vec2f size = Vec2f(xml.getAttributeValue<float>("size.x"), xml.getAttributeValue<float>("size.y"));
canvasRect = Rectf(pos, pos+size);
setSize(size);
showInputPlus = xml.getAttributeValue<bool>("showInputPlus");
showOutputPlus = xml.getAttributeValue<bool>("showOutputPlus");
if (createNodes)
{
// add inputs and outputs
XmlTree inputNodesTree = xml.getChild("InputNodes");
for(XmlTree::ConstIter iter = inputNodesTree.begin(); iter != inputNodesTree.end(); ++iter)
{
if (iter->getTag() == "Node") {
addInputNodeFromXml(iter->getChild(""));
}
}
XmlTree outputNodesTree = xml.getChild("OutputNodes");
for(XmlTree::ConstIter iter = outputNodesTree.begin(); iter != outputNodesTree.end(); ++iter)
{
if (iter->getTag() == "Node") {
addOutputNodeFromXml(iter->getChild(""));
}
}
}
}
