extends.h

/*
  This file is part of the Cutelee 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 EXTENDSNODE_H
#define EXTENDSNODE_H
 
#include "node.h"
#include "template.h"
 
namespace Cutelee
{
class Parser;
}
 
class BlockNode;
 
using namespace Cutelee;
 
class ExtendsNodeFactory : public AbstractNodeFactory
{
  Q_OBJECT
public:
  ExtendsNodeFactory(QObject *parent = {});
 
  Node *getNode(const QString &tagContent, Parser *p) const override;
};
 
class ExtendsNode : public Node
{
  Q_OBJECT
public:
  ExtendsNode(const FilterExpression &fe, QObject *parent = {});
  ~ExtendsNode() override;
 
  void setNodeList(const NodeList &list);
 
  void render(OutputStream *stream, Context *c) const override;
 
  void appendNode(Node *node);
 
  Template getParent(Context *c) const;
 
  bool mustBeFirst() override { return true; }
 
private:
  FilterExpression m_filterExpression;
  NodeList m_list;
  QHash<QString, BlockNode *> m_blocks;
};
 
#endif