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/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "ScriptVal.h"
#include "js/jsapi.h"
struct Unrooter
{
Unrooter(JSContext* cx) : cx(cx) { }
void operator()(jsval* p) { JS_RemoveValueRoot(cx, p); delete p; }
JSContext* cx;
};
CScriptValRooted::CScriptValRooted(JSContext* cx, jsval val)
{
jsval* p = new jsval(val);
JS_AddNamedValueRoot(cx, p, "CScriptValRooted");
m_Val = boost::shared_ptr<jsval>(p, Unrooter(cx));
}
CScriptValRooted::CScriptValRooted(JSContext* cx, CScriptVal val)
{
jsval* p = new jsval(val.get());
JS_AddNamedValueRoot(cx, p, "CScriptValRooted");
m_Val = boost::shared_ptr<jsval>(p, Unrooter(cx));
}
jsval CScriptValRooted::get() const
{
if (!m_Val)
return JSVAL_VOID;
return *m_Val;
}
jsval& CScriptValRooted::getRef() const
{
ENSURE(m_Val);
return *m_Val;
}
bool CScriptValRooted::undefined() const
{
return (!m_Val || JSVAL_IS_VOID(*m_Val));
}
bool CScriptValRooted::uninitialised() const
{
return !m_Val;
}
AutoJSIdArray::AutoJSIdArray(JSContext* cx, JSIdArray* ida) :
m_Context(cx), m_IdArray(ida)
{
}
AutoJSIdArray::~AutoJSIdArray()
{
if (m_IdArray)
JS_DestroyIdArray(m_Context, m_IdArray);
}
JSIdArray* AutoJSIdArray::get() const
{
return m_IdArray;
}
size_t AutoJSIdArray::length() const
{
ENSURE(m_IdArray);
return m_IdArray->length;
}
jsid AutoJSIdArray::operator[](size_t i) const
{
ENSURE(m_IdArray);
ENSURE(i < (size_t)m_IdArray->length);
return m_IdArray->vector[i];
}
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