/*

* Nexus.js - The next-gen JavaScript platform

* Copyright (C) 2016 Abdullah A. Hassan <abdullah@webtomizer.com>

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*

*/

#include <iostream>

#include "util.h"

#include "scoped_string.h"

#include "value.h"

JSObjectRef NX::JSBindFunction(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject,

size_t argumentCount, const JSValueRef arguments[], JSValueRef * exception)

{

NX::ScopedString strFunction("Function");

NX::ScopedString strBind("bind");

JSObjectRef proto = JSValueToObject(ctx, JSObjectGetPrototype(ctx, JSValueToObject(ctx, JSObjectGetProperty(ctx, JSContextGetGlobalObject(ctx), strFunction, exception), exception)), exception);

JSValueRef bind = JSObjectGetProperty(ctx, proto, strBind, exception);

if (exception && *exception)

return nullptr;

std::vector<JSValueRef> args;

args.emplace_back(thisObject);

for(std::size_t i = 0; i < argumentCount; i++)

args.push_back(arguments[i]);

return JSValueToObject(ctx,

JSObjectCallAsFunction(ctx, JSValueToObject(ctx, bind, exception), function, args.size(), &args[0], exception), exception);

}

JSObjectRef NX::JSCopyObjectShallow(JSContextRef source, JSContextRef dest, JSObjectRef object, JSValueRef * exception) {

JSValueProtect(source, object);

JSClassRef emptyClass = JSClassCreate(&kJSClassDefinitionEmpty);

JSObjectRef ret = JSObjectMake(dest, emptyClass, nullptr);

JSClassRelease(emptyClass);

JSPropertyNameArrayRef namesArray = JSObjectCopyPropertyNames(source, object);

std::size_t count = JSPropertyNameArrayGetCount(namesArray);

for(std::size_t i = 0; i < count; i++) {

JSStringRef propertyName = JSPropertyNameArrayGetNameAtIndex(namesArray, i);

JSObjectSetProperty(dest,

ret,

propertyName,

JSObjectGetProperty(source, object, propertyName, nullptr),

kJSPropertyAttributeNone,

nullptr

);

}

JSPropertyNameArrayRelease(namesArray);

JSValueUnprotect(source, object);

return ret;

}

JSValueRef NX::JSWrapException (JSContextRef ctx, const std::exception & e, JSValueRef * exception)

{

NX::Value message(ctx, e.what());

JSValueRef args[] { message.value(), nullptr };

if (exception)

*exception = JSObjectMakeError(ctx, 1, args, nullptr);

return JSValueMakeUndefined(ctx);

}