function.h

Go to the documentation of this file.

/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef AURORA_ACTIONSCRIPT_FUNCTION_H
#define AURORA_ACTIONSCRIPT_FUNCTION_H

#include <vector>

#include <boost/function.hpp>

#include "src/aurora/actionscript/variable.h"
#include "src/aurora/actionscript/asbuffer.h"

namespace Aurora {

namespace ActionScript {

class Function;

typedef boost::shared_ptr<Function> FunctionPtr;

class Function : public Object {
public:
    Function(bool preloadThisFlag, bool preloadSuperFlag, bool preloadRootFlag);

    bool getPreloadThisFlag();
    bool getPreloadSuperFlag();
    bool getPreloadRootFlag();

    virtual Variable operator()(AVM &avm) = 0;

private:
    bool _preloadThisFlag;
    bool _preloadSuperFlag;
    bool _preloadRootFlag;
};

class ScriptedFunction : public Function {
public:
    ScriptedFunction(
            Common::SeekableReadStream *as,
            std::vector<Common::UString> constantPool,
            bool preloadThisFlag,
            bool preloadSuperFlag,
            bool preloadRootFlag
    );
    ~ScriptedFunction();

    Variable operator()(AVM &avm);

private:
    Common::SeekableReadStream *_stream;
    ASBuffer _buffer;
};

class NativeFunction : public Function {
public:
    NativeFunction(boost::function<Variable(AVM &)> function, bool preloadThisFlag, bool preloadSuperFlag, bool preloadRootFlag);

    Variable operator()(AVM &avm);

private:
    boost::function<Variable(AVM &)> _function;
};

class DummyFunction : public Function {
public:
    DummyFunction();

    Variable operator()(AVM &UNUSED(avm)){ return Variable(); };
};

} // End of namespace ActionScript

} // End of namespace Aurora

#endif // AURORA_ACTIONSCRIPT_FUNCTION_H