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therubyracer/ext/v8/v8_object.cpp
2011-05-10 09:36:33 -05:00

122 lines
3.7 KiB
C++

#include "v8_handle.h"
#include "v8_weakref.h"
#include "v8_object.h"
#include "v8_value.h"
#include "v8_template.h"
#include "v8_external.h"
using namespace v8;
#include <cstdio>
namespace {
VALUE ObjectClass;
Persistent<Object>& unwrap(VALUE object) {
return rr_v8_handle<Object>(object);
}
VALUE Get(VALUE self, VALUE key) {
HandleScope handles;
Persistent<Object> obj(unwrap(self));
if (rb_obj_is_kind_of(key, rb_cNumeric)) {
return rr_v82rb(obj->Get(NUM2UINT(key)));
} else {
return rr_v82rb(obj->Get(rr_rb2v8(key)->ToString()));
}
}
VALUE New(VALUE rbclass) {
HandleScope handles;
if (!Context::InContext()) {
rb_raise(rb_eScriptError, "Object::New() called without an entered Context");
return Qnil;
}
return rr_v8_handle_new(rbclass, Object::New());
}
VALUE Set(VALUE self, VALUE key, VALUE value) {
HandleScope handles;
Persistent<Object> obj = unwrap(self);
if (rb_obj_is_kind_of(key, rb_cNumeric)) {
return rr_v82rb(obj->Set(NUM2UINT(key), rr_rb2v8(value)));
} else {
return rr_v82rb(obj->Set(rr_rb2v8(key), rr_rb2v8(value)));
}
}
VALUE GetPropertyNames(VALUE self) {
HandleScope handles;
Persistent<Object> object = unwrap(self);
Local<Value> names = object->GetPropertyNames();
return rr_v82rb(names);
}
VALUE GetIdentityHash(VALUE self) {
return rr_v82rb(unwrap(self)->GetIdentityHash());
}
VALUE SetHiddenValue(VALUE self, VALUE key, VALUE value) {
HandleScope scope;
if (Context::InContext()) {
unwrap(self)->SetHiddenValue(rr_rb2v8(key)->ToString(), rr_rb2v8(value));
} else {
rb_raise(rb_eScriptError, "Object::SetHiddenValue() called without an entered Context");
}
return Qnil;
}
VALUE GetHiddenValue(VALUE self, VALUE key) {
HandleScope scope;
return rr_v82rb(unwrap(self)->GetHiddenValue(rr_rb2v8(key)->ToString()));
}
VALUE GetPrototype(VALUE self) {
HandleScope scope;
return rr_v82rb(unwrap(self)->GetPrototype());
}
VALUE SetPrototype(VALUE self, VALUE prototype) {
HandleScope scope;
Handle<Value> proto(rr_rb2v8(prototype));
return rr_v82rb(unwrap(self)->SetPrototype(rr_rb2v8(prototype)));
}
}
VALUE rr_v8_object_class() {
return ObjectClass;
}
void rr_init_object() {
ObjectClass = rr_define_class("Object", rr_v8_value_class());
rr_define_singleton_method(ObjectClass, "New", New, 0);
rr_define_method(ObjectClass, "Get", Get, 1);
rr_define_method(ObjectClass, "Set", Set, 2);
rr_define_method(ObjectClass, "GetPropertyNames", GetPropertyNames, 0);
rr_define_method(ObjectClass, "GetIdentityHash", GetIdentityHash, 0);
rr_define_method(ObjectClass, "GetHiddenValue", GetHiddenValue, 1);
rr_define_method(ObjectClass, "SetHiddenValue", SetHiddenValue, 2);
rr_define_method(ObjectClass, "GetPrototype", GetPrototype, 0);
rr_define_method(ObjectClass, "SetPrototype", SetPrototype, 1);
}
VALUE rr_reflect_v8_object_as(Handle<Value> value, VALUE ruby_class) {
Handle<Object> object = Handle<Object>::Cast(value);
VALUE handle;
v8_weakref* backref;
Local<Value> holder = object->GetHiddenValue(String::NewSymbol("TheRubyRacer::Backref"));
if (holder.IsEmpty()) {
handle = rr_v8_handle_new(ruby_class, object);
backref = new v8_weakref(handle);
object->SetHiddenValue(String::NewSymbol("TheRubyRacer::Backref"), backref->external);
} else {
backref = (v8_weakref*)External::Unwrap(holder);
handle = backref->get();
if (!RTEST(handle)) {
handle = rr_v8_handle_new(ruby_class, object);
backref->set(handle);
}
}
return handle;
}
VALUE rr_reflect_v8_object(Handle<Value> value) {
return rr_reflect_v8_object_as(value, ObjectClass);
}