forked from 0ad/0ad
Ykkrosh
f39f279132
Handle AIProxy entirely through scripts. Support structured clones of script values. Improve performance. Support multiple script contexts sharing a runtime. Use a separate context per AI player. This was SVN commit r8866.
101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SCRIPTVAL
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#define INCLUDED_SCRIPTVAL
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#include "ScriptTypes.h"
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#include <boost/shared_ptr.hpp>
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/**
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* A trivial wrapper around a jsval. Used to avoid template overload ambiguities
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* with jsval (which is just an integer), for any code that uses
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* ScriptInterface::ToJSVal or ScriptInterface::FromJSVal
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*/
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class CScriptVal
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{
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public:
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CScriptVal() : m_Val(JSVAL_VOID) { }
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CScriptVal(jsval val) : m_Val(val) { }
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/**
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* Returns the current value.
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*/
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const jsval& get() const { return m_Val; }
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/**
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* Returns whether the value is JSVAL_VOID.
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*/
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bool undefined() const { return JSVAL_IS_VOID(m_Val) ? true : false; }
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private:
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jsval m_Val;
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};
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class CScriptValRooted
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{
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public:
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CScriptValRooted() { }
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CScriptValRooted(JSContext* cx, jsval val);
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CScriptValRooted(JSContext* cx, CScriptVal val);
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/**
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* Returns the current value (or JSVAL_VOID if uninitialised).
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*/
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jsval get() const;
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/**
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* Returns reference to the current value.
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* Fails if the value is not yet initialised.
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*/
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jsval& getRef() const;
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/**
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* Returns whether the value is uninitialised or is JSVAL_VOID.
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*/
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bool undefined() const;
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/**
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* Returns whether the value is uninitialised.
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*/
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bool uninitialised() const;
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private:
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boost::shared_ptr<jsval> m_Val;
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};
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/**
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* RAII wrapper for JSIdArray*
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*/
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class AutoJSIdArray
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{
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NONCOPYABLE(AutoJSIdArray);
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public:
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AutoJSIdArray(JSContext* cx, JSIdArray* ida);
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~AutoJSIdArray();
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JSIdArray* get() const;
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size_t length() const;
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jsid operator[](size_t i) const;
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private:
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JSContext* m_Context;
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JSIdArray* m_IdArray;
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};
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#endif // INCLUDED_SCRIPTVAL
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