analitzautils.h

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/*************************************************************************************
 *  Copyright (C) 2007-2009 by Aleix Pol <aleixpol@kde.org>                          *
 *                                                                                   *
 *  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 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *
 *************************************************************************************/

#ifndef ANALITZAUTILS_H
#define ANALITZAUTILS_H

#include <QStringList>
#include "object.h"
#include "analitzaexport.h"

namespace Analitza
{
class Object;
class Container;
class Variables;
class Expression;
class Apply;
class List;
class Operator;
}

namespace AnalitzaUtils
{
    
    void ANALITZA_EXPORT objectWalker(const Analitza::Expression& o, const QByteArray& prefix=QByteArray());
    
    QVariant ANALITZA_EXPORT expressionToVariant(const Analitza::Expression& res);
    
    Analitza::Expression ANALITZA_EXPORT variantToExpression(const QVariant& v);
    
    QString ANALITZA_EXPORT generateDependencyGraph(const Analitza::Variables* v);
    
    bool hasTheVar(const QSet<QString>& vars, const Analitza::Object * o);
    bool hasTheVar(const QSet<QString>& vars, const Analitza::Apply * a);
    bool hasTheVar(const QSet<QString>& vars, const Analitza::Container * c);
    
    bool isLambda(const Analitza::Object* o);
    ANALITZA_EXPORT QStringList dependencies(const Analitza::Object* o, const QStringList& scope);
    
    bool hasVars(const Analitza::Object* o,
                    const QStringList& bvars=QStringList());
    
    bool equalTree(const Analitza::Object * o1, const Analitza::Object * o2);
    
    void objectWalker(const Analitza::Object* o, const QByteArray& prefix=QByteArray());
    
    QString listToString(const Analitza::List* list);
    
    Analitza::Object* replaceDepth(int depth, Analitza::Object* tree, Analitza::Object* towhat);
    
    int countDepth(int depth, const Analitza::Object* tree);
}

#endif // ANALITZAUTILS_H