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Spider Monkey: basic enumerator and conversion for BSONObj

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This commit is contained in:
Eliot Horowitz 2009-05-06 12:48:19 -04:00
parent 2d12856284
commit 7ebae06974
3 changed files with 62 additions and 20 deletions
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3
dbtests/jstests.cpp
View File

@ -155,7 +155,8 @@ namespace JSTests {
BSONObj o = BSON( "x" << 17 );
s->setObject( "blah" , o );
ASSERT_EQUALS( o.toString() , s->getObject( "blah" ).toString() );
out = s->getObject( "blah" );
ASSERT_EQUALS( 17 , out["x"].number() );
delete s;
}

74
scripting/engine_spidermonkey.cpp
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@ -8,22 +8,6 @@ namespace mongo {
boost::thread_specific_ptr<SMScope> currentScope( dontDeleteScope );
void bson_finalize( JSContext * cx , JSObject * obj ){
BSONObj * o = (BSONObj*)JS_GetPrivate( cx , obj );
if ( o ){
delete o;
JS_SetPrivate( cx , obj , 0 );
}
}
static JSClass bson_ro_class = {
"bson_object" , JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, (JSResolveOp)(&resolveBSONField) , JS_ConvertStub, bson_finalize ,
JSCLASS_NO_OPTIONAL_MEMBERS
};
class Convertor {
public:
Convertor( JSContext * cx ){
@ -67,7 +51,7 @@ namespace mongo {
JSIdArray * properties = JS_Enumerate( _context , o );
assert( properties );
cout << "num properties: " << properties->length << endl;
for ( jsint i=0; i<properties->length; i++ ){
jsid id = properties->vector[i];
jsval nameval;
@ -192,6 +176,62 @@ namespace mongo {
JSContext * _context;
};
void bson_finalize( JSContext * cx , JSObject * obj ){
BSONObj * o = (BSONObj*)JS_GetPrivate( cx , obj );
if ( o ){
delete o;
JS_SetPrivate( cx , obj , 0 );
}
}
JSBool bson_enumerate( JSContext *cx, JSObject *obj, JSIterateOp enum_op, jsval *statep, jsid *idp ){
if ( enum_op == JSENUMERATE_INIT ){
BSONObjIterator * it = new BSONObjIterator( ((BSONObj*)JS_GetPrivate( cx , obj ))->getOwned() );
*statep = PRIVATE_TO_JSVAL( it );
if ( idp )
*idp = JSVAL_ZERO;
return JS_TRUE;
}
BSONObjIterator * it = (BSONObjIterator*)JSVAL_TO_PRIVATE( *statep );
if ( enum_op == JSENUMERATE_NEXT ){
if ( it->more() ){
BSONElement e = it->next();
if ( e.eoo() ){
*statep = 0;
}
else {
Convertor c(cx);
assert( JS_ValueToId( cx , c.toval( e.fieldName() ) , idp ) );
}
}
else {
*statep = 0;
}
return JS_TRUE;
}
if ( enum_op == JSENUMERATE_DESTROY ){
delete it;
}
uassert( "don't know what to do with this op" , 0 );
return JS_FALSE;
}
JSClass bson_ro_class = {
"bson_object" , JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE | JSCLASS_NEW_ENUMERATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
(JSEnumerateOp)bson_enumerate, (JSResolveOp)(&resolveBSONField) , JS_ConvertStub, bson_finalize ,
JSCLASS_NO_OPTIONAL_MEMBERS
};
static JSClass global_class = {
"global", JSCLASS_GLOBAL_FLAGS,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,

1
scripting/engine_spidermonkey.h
View File

@ -20,6 +20,7 @@
namespace mongo {
class SMScope;
extern JSClass bson_ro_class;
// internal things
void dontDeleteScope( SMScope * s ){}