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https://github.com/mongodb/mongo.git
synced 2024-11-30 17:10:48 +01:00
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
#include "engine_v8.h"
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#include "v8_wrapper.h"
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#include "v8_utils.h"
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namespace mongo {
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V8ScriptEngine::V8ScriptEngine()
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: _handleScope() , _globalTemplate( ObjectTemplate::New() ) {
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}
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V8ScriptEngine::~V8ScriptEngine(){
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}
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void ScriptEngine::setup(){
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if ( !globalScriptEngine ){
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globalScriptEngine = new V8ScriptEngine();
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}
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}
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V8Scope::V8Scope( V8ScriptEngine * engine )
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: _handleScope(),
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_context( Context::New( 0 , engine->_globalTemplate ) ) ,
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_scope( _context ) ,
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_global( _context->Global() ){
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}
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V8Scope::~V8Scope(){
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}
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Handle< Value > V8Scope::nativeCallback( const Arguments &args ) {
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Local< External > f = External::Cast( *args.Callee()->Get( v8::String::New( "_native_function" ) ) );
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NativeFunction function = ( NativeFunction )( f->Value() );
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BSONObjBuilder b;
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for( int i = 0; i < args.Length(); ++i ) {
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stringstream ss;
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ss << i;
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v8ToMongoElement( b, v8::String::New( "foo" ), ss.str(), args[ i ] );
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}
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BSONObj ret;
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try {
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ret = function( b.done() );
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} catch( const std::exception &e ) {
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return v8::ThrowException(v8::String::New(e.what()));
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} catch( ... ) {
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return v8::ThrowException(v8::String::New("unknown exception"));
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}
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return mongoToV8Element( ret.firstElement() );
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}
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void V8Scope::setNumber( const char * field , double val ){
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_global->Set( v8::String::New( field ) , v8::Number::New( val ) );
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}
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void V8Scope::setString( const char * field , const char * val ){
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_global->Set( v8::String::New( field ) , v8::String::New( val ) );
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}
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void V8Scope::setBoolean( const char * field , bool val ){
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_global->Set( v8::String::New( field ) , v8::Boolean::New( val ) );
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}
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double V8Scope::getNumber( const char *field ){
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return _global->Get( v8::String::New( field ) )->ToNumber()->Value();
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}
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string V8Scope::getString( const char *field ){
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return toSTLString( _global->Get( v8::String::New( field ) ) );
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}
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bool V8Scope::getBoolean( const char *field ){
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return _global->Get( v8::String::New( field ) )->ToBoolean()->Value();
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}
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} // namespace mongo
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