templates/lib/variable.h

/*
  This file is part of the Grantlee template system.

  Copyright (c) 2009,2010 Stephen Kelly <steveire@gmail.com>

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either version
  2.1 of the Licence, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef GRANTLEE_VARIABLE_H
#define GRANTLEE_VARIABLE_H

#include "grantlee_templates_export.h"

#include <QtCore/QVariant>

namespace Grantlee
{
class Context;

class VariablePrivate;


class GRANTLEE_TEMPLATES_EXPORT Variable
{
public:
  Variable();

  explicit Variable(const QString &var);

  Variable(const Variable &other);

  ~Variable();

  Variable &operator=(const Variable &other);

  bool isValid() const;

  bool isTrue(Context *c) const;

  QVariant resolve(Context *c) const;

  bool isConstant() const;

  bool isLocalized() const;

  QVariant literal() const;

  QStringList lookups() const;

private:
  Q_DECLARE_PRIVATE(Variable)
  VariablePrivate *const d_ptr;
};
}

#endif