File indexing completed on 2024-05-12 15:55:22 

0001 /* SPDX-FileCopyrightText: 2003-2010 Jesper K. Pedersen <blackie@kde.org>
0002 
0003    SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005 
0006 #ifndef NEGATIONCATEGORYMATCHER_H
0007 #define NEGATIONCATEGORYMATCHER_H
0008 
0009 #include "CategoryMatcher.h"
0010 
0011 namespace DB
0012 {
0013 
0014 /**
0015  * NegationCategoryMatcher matches, if (and only if) its child matcher does not match.
0016  *
0017  * This is not a standard ContainerCategoryMatcher, because it always has exactly one child.
0018  */
0019 class NegationCategoryMatcher : public CategoryMatcher
0020 {
0021 public:
0022     explicit NegationCategoryMatcher(CategoryMatcher *child);
0023     ~NegationCategoryMatcher() override;
0024     bool eval(ImageInfoPtr, QMap<QString, StringSet> &alreadyMatched) override;
0025     void debug(int level) const override;
0026     void setShouldCreateMatchedSet(bool b) override;
0027 
0028 private:
0029     CategoryMatcher *m_child;
0030 };
0031 }
0032 
0033 #endif // NEGATIONCATEGORYMATCHER_H
0034 
0035 // vi:expandtab:tabstop=4 shiftwidth=4: