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// v8_wrapper.cpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if defined(_WIN32)
/** this is a hack - v8stdint.h defined uint16_t etc. on _WIN32 only, and that collides with
our usage of boost */
#include "boost/cstdint.hpp"
using namespace boost;
#define V8STDINT_H_
#endif
#include "v8_wrapper.h"
#include "v8_utils.h"
#include "v8_db.h"
#include "engine_v8.h"
#include <iostream>
using namespace std;
using namespace v8;
namespace mongo {
#define DDD(x)
// --- object wrapper ---
class WrapperHolder {
public:
WrapperHolder( V8Scope* scope, const BSONObj * o , bool readOnly , bool iDelete )
: _scope(scope), _o(o), _readOnly( readOnly ), _iDelete( iDelete ) {
}
~WrapperHolder() {
if ( _o && _iDelete ) {
delete _o;
}
_o = 0;
}
v8::Handle<v8::Value> get( v8::Local<v8::String> name ) {
const string& s = toSTLString( name );
const BSONElement& e = _o->getField( s );
return _scope->mongoToV8Element(e);
}
V8Scope* _scope;
const BSONObj * _o;
bool _readOnly;
bool _iDelete;
};
WrapperHolder * createWrapperHolder( V8Scope* scope, const BSONObj * o , bool readOnly , bool iDelete ) {
return new WrapperHolder( scope, o , readOnly , iDelete );
}
WrapperHolder * getWrapper( v8::Handle<v8::Object> o ) {
Handle<v8::Value> t = o->GetRealNamedProperty( v8::String::New( "_wrapper" ) );
assert( t->IsExternal() );
Local<External> c = External::Cast( *t );
WrapperHolder * w = (WrapperHolder*)(c->Value());
assert( w );
return w;
}
Handle<Value> wrapperCons(V8Scope* scope, const Arguments& args) {
if ( ! ( args.Length() == 1 && args[0]->IsExternal() ) )
return v8::ThrowException( v8::String::New( "wrapperCons needs 1 External arg" ) );
args.This()->Set( v8::String::New( "_wrapper" ) , args[0] );
return v8::Undefined();
}
v8::Handle<v8::Value> wrapperGetHandler( v8::Local<v8::String> name, const v8::AccessorInfo &info) {
return getWrapper( info.This() )->get( name );
}
v8::Handle<v8::FunctionTemplate> getObjectWrapperTemplate(V8Scope* scope) {
v8::Handle<v8::FunctionTemplate> t = scope->createV8Function(wrapperCons);
t->InstanceTemplate()->SetNamedPropertyHandler( wrapperGetHandler );
return t;
}
}
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