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117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
//engine_v8.h
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/* Copyright 2009 10gen Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <vector>
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#include "engine.h"
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#include <v8.h>
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using namespace v8;
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namespace mongo {
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class V8ScriptEngine;
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class V8Scope : public Scope {
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public:
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V8Scope( V8ScriptEngine * engine );
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~V8Scope();
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virtual void reset();
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virtual void init( BSONObj * data );
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virtual void localConnect( const char * dbName );
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virtual void externalSetup();
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v8::Handle<v8::Value> get( const char * field ); // caller must create context and handle scopes
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virtual double getNumber( const char *field );
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virtual int getNumberInt( const char *field );
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virtual long long getNumberLongLong( const char *field );
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virtual string getString( const char *field );
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virtual bool getBoolean( const char *field );
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virtual BSONObj getObject( const char *field );
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virtual int type( const char *field );
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virtual void setNumber( const char *field , double val );
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virtual void setString( const char *field , const char * val );
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virtual void setBoolean( const char *field , bool val );
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virtual void setElement( const char *field , const BSONElement& e );
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virtual void setObject( const char *field , const BSONObj& obj , bool readOnly);
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virtual void setThis( const BSONObj * obj );
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virtual ScriptingFunction _createFunction( const char * code );
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Local< v8::Function > __createFunction( const char * code );
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virtual int invoke( ScriptingFunction func , const BSONObj& args, int timeoutMs = 0 , bool ignoreReturn = false );
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virtual bool exec( const string& code , const string& name , bool printResult , bool reportError , bool assertOnError, int timeoutMs );
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virtual string getError(){ return _error; }
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virtual void injectNative( const char *field, NativeFunction func );
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void gc();
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Handle< Context > context() const { return _context; }
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private:
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void _startCall();
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static Handle< Value > nativeCallback( const Arguments &args );
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static Handle< Value > loadCallback( const Arguments &args );
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V8ScriptEngine * _engine;
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Persistent<Context> _context;
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Persistent<v8::Object> _global;
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string _error;
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vector< Persistent<Value> > _funcs;
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v8::Persistent<v8::Object> _this;
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v8::Persistent<v8::Function> _wrapper;
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enum ConnectState { NOT , LOCAL , EXTERNAL };
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ConnectState _connectState;
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};
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class V8ScriptEngine : public ScriptEngine {
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public:
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V8ScriptEngine();
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virtual ~V8ScriptEngine();
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virtual Scope * createScope(){ return new V8Scope( this ); }
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virtual void runTest(){}
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bool utf8Ok() const { return true; }
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class V8Unlocker : public Unlocker {
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v8::Unlocker u_;
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};
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virtual auto_ptr<Unlocker> newThreadUnlocker() { return auto_ptr< Unlocker >( new V8Unlocker ); }
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private:
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friend class V8Scope;
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};
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extern ScriptEngine * globalScriptEngine;
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}
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