void JsonTestApp::setup()
{
JsonTree value( "key", "value" );
console() << value << endl;
JsonTree doc( loadResource( RES_JSON ) );
JsonTree musicLibrary( doc.getChild( "library" ) );
JsonTree owner = doc.getChild( "library.owner" );
for( JsonTree::ConstIter item = owner.begin(); item != owner.end(); ++item ) {
console() << "Node: " << item->getKey() << " Value: " << item->getValue<string>() << endl;
}
JsonTree tracks = doc.getChild( "library.albums[0].tracks" );
for( JsonTree::ConstIter track = tracks.begin(); track != tracks.end(); ++track ) {
console() << track->getChild( "id" ).getValue<int>() << endl;
}
for( JsonTree::ConstIter trackIt = tracks.begin(); trackIt != tracks.end(); ++trackIt ) {
JsonTree track = * trackIt;
console() << track["id"].getValue<int>() << endl;
}
JsonTree firstAlbum = doc.getChild( "library.albums[0]" );
for( JsonTree::Iter child = firstAlbum.begin(); child != firstAlbum.end(); ++child ) {
if ( !child->hasChildren() ) {
console() << "Key: " << child->getKey() << " Value: " << child->getValue<string>() << endl;
}
}
console() << doc.getChild( "library.owner" );
JsonTree &ownerCity = doc.getChild( "library.owner.city" );
string s = ownerCity.getPath();
console() << "Path: " << ownerCity.getPath() << "\n Value: " << ownerCity.getValue<string>() << std::endl;
console() << doc;
JsonTree firstTrackCopy = doc.getChild( "library.albums[0].tracks[0].title" );
firstTrackCopy = JsonTree( firstTrackCopy.getKey(), string( "Replacement name" ) );
console() << doc.getChild( "library.albums[0].tracks[0]['title']" ) << std::endl;
JsonTree &firstTrackRef = doc.getChild( "library.albums[0].tracks[2].title" );
console() << firstTrackRef.getPath() << std::endl;
firstTrackRef = JsonTree( firstTrackRef.getKey(), string( "Replacement name" ) );
console() << doc.getChild( "library.albums[0].tracks[0].title" ) << std::endl;
try {
JsonTree invalid( "%%%%%%%%" );
} catch ( JsonTree::ExcJsonParserError ex ) {
console() << ex.what() << std::endl;
}
}
void JsonBag::load()
{
if( ! fs::exists( mJsonFilePath ) )
return;
try {
JsonTree doc( loadFile( mJsonFilePath ) );
if( doc.hasChild( "version" ) ) {
mVersion = doc.getChild( "version" ).getValue<int>();
}
for( JsonTree::ConstIter groupIt = doc.begin(); groupIt != doc.end(); ++groupIt ) {
auto& jsonGroup = *groupIt;
auto groupName = jsonGroup.getKey();
if( mItems.count( groupName ) ) {
auto groupItems = mItems.at( groupName );
for( JsonTree::ConstIter item = jsonGroup.begin(); item != jsonGroup.end(); ++item ) {
const auto& name = item->getKey();
if( groupItems.count( name ) ) {
groupItems.at( name )->load( item );
} else {
CI_LOG_E( "No item named " + name );
}
}
}
else if( groupName != "version" ) {
CI_LOG_E( "No group named " + groupName );
}
}
}
catch( const JsonTree::ExcJsonParserError& ) {
CI_LOG_E( "Failed to parse json file." );
}
mIsLoaded = true;
}