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#ifndef PARSER_H

#define PARSER_H



#include <QColor>

#include <QStringList>



enum ErrorLevel {NoError,Warning,Aborted};



class Command;

class TreeItem;



class Parser

{

public:

    Parser();

    void parseAtom (QString input);

    QString getAtom();

    QString getCommand();

    QStringList getParameters();

    int parCount();

    QString errorMessage();

    QString errorDescription();

    ErrorLevel errorLevel();

    void setError (ErrorLevel level,const QString &description);

    void resetError();

    bool checkParameters(TreeItem *selti);

    bool checkParCount (const int &index);

    bool checkParIsInt (const int &index);

    bool checkParIsDouble (const int &index);

    int parInt (bool &,const uint &index);

    QString parString(bool &ok,const int &index);

    bool parBool (bool &ok, const int &index);

    QColor parColor (bool &ok, const int &index);

    double parDouble (bool &ok, const int &index);



    void setScript (const QString &);

    QString getScript();

    void execute();

    bool next();



    QStringList getCommands(); 



protected:

    QStringList findParameters(const QString &s);

    bool nextParenthesisContents(

            const QString &s, 

            int &leftParenthesis, 

            int &rightParenthesis, 

            QString &contents);



private:

    void initParser();

    void initAtom();



    QString input;

    QString atom;

    QString com;

    QStringList paramList;

    int current;

    QString script;



    QString errMessage;

    QString errDescription;

    ErrorLevel errLevel;

};



#endif