conditionalcommand.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */
 
#ifndef MUTATIONOFJB_CONDITIONALCOMMAND_H
#define MUTATIONOFJB_CONDITIONALCOMMAND_H
 
#include "mutationofjb/commands/command.h"
#include "common/scummsys.h"
#include "common/queue.h"
 
namespace MutationOfJB {
 
class ConditionalCommandParser : public CommandParser {
public:
    ConditionalCommandParser(bool firstHash = false) : _firstHash(firstHash) {}
    void transition(ScriptParseContext &parseCtx, Command *oldCommand, Command *newCommand, CommandParser *newCommandParser) override;
    void finish(ScriptParseContext &parseCtx) override;
protected:
    Common::Queue<char> _tags;
private:
    bool _firstHash;
};
 
class ConditionalCommand : public Command {
public:
    ConditionalCommand();
 
    Command *getTrueCommand() const;
    Command *getFalseCommand() const;
 
    void setTrueCommand(Command *command);
    void setFalseCommand(Command *command);
 
    Command *next() const override;
protected:
    Command *_trueCommand;
    Command *_falseCommand;
    bool _cachedResult;
};
 
}
 
#endif