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/***************************************************************************
* Copyright (C) 2014 by Renaud Guezennec *
* http://renaudguezennec.homelinux.org/accueil,3.html *
* *
* This file is part of DiceParser *
* *
* DiceParser 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. *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef DICEPARSER_H
#define DICEPARSER_H
#include <QString>
#include <QMap>
#include "node/executionnode.h"
#include "node/dicerollernode.h"
#include "validator.h"
#include "range.h"
#include "booleancondition.h"
#include "parsingtoolbox.h"
/**
* @mainpage DiceParser
*
* The grammar is something like this:
*
* Command =: Expression | ScalarOperator Expression
* Expression =: number | number Dice | Command
* Dice =: DiceOperator Number(faces)
* DiceOperator =: D
* ScalarOperator =: [x,-,*,x,/]
* number =: [0-9]+
*
*/
class Dice;
/**
* @brief The DiceParser class facade class, it receives a command and return a DiceResult class (not yet implemented).
*/
class DiceParser
{
public:
/**
* @brief The DiceOperator enum gathering all dice operators
*/
enum DiceOperator {D};
/**
* @brief The OptionOperator enum gathering all options availables for result.
*/
enum OptionOperator {KeepAndExplose,Keep,Reroll,Explosing,Sort,Count,RerollAndAdd};
/**
* @brief DiceParser default constructor
*/
DiceParser();
/**
* @brief parseLine, method to call for starting the dice roll. It will parse the command and run the execution tree.
* @param str dice command
* @return bool every thing is fine or not
*/
bool parseLine(QString str);
/**
* @brief Start running the execution tree
*
*/
void Start();
/**
* @brief displayResult
*/
QString displayResult();
bool readExpression(QString& str,ExecutionNode* & node);
private:
/**
* @brief readDice
* @param str
* @return
*/
bool readDice(QString& str,ExecutionNode* & node);
/**
* @brief readDiceOperator
* @return
*/
bool readDiceOperator(QString&,DiceOperator&);
/**
* @brief readDiceExpression
* @param node
* @return
*/
bool readDiceExpression(QString&,ExecutionNode* & node);
/**
* @brief readOperator
* @return
*/
bool readOperator(QString&,ExecutionNode* previous);
/**
* @brief setCurrentNode
* @param node
*/
ExecutionNode* getLatestNode(ExecutionNode* node);
/**
* @brief DiceParser::readCommand
* @param str
* @param node
* @return
*/
bool readCommand(QString& str,ExecutionNode* & node);
/**
* @brief readOption
*/
bool readOption(QString&,ExecutionNode* node, bool hasDice = true);
DiceRollerNode* addRollDiceNode(qint64 faces,ExecutionNode*);
bool readOperand(QString&,ExecutionNode* & node);
bool readInstructionOperator(QChar c);
private:
QMap<QString,DiceOperator>* m_mapDiceOp;
QMap<QString,OptionOperator>* m_OptionOp;
QMap<QString,QString>* m_aliasMap;
QList<QString>* m_commandList;
ExecutionNode* m_start;
ExecutionNode* m_current;
QString m_command;
ParsingToolBox* m_parsingToolbox;
};
/**
* @brief The Dice class is a basic class to store dice. (May not be required any more).
*/
class Dice
{
public:
DiceParser::DiceOperator m_diceOp;
int m_faces;
};
#endif // DICEPARSER_H
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