File indexing completed on 2024-05-12 15:55:21

 /* SPDX-FileCopyrightText: 2003-2010 Jesper K. Pedersen <blackie@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "ExactCategoryMatcher.h"
 
 #include <DB/ImageInfo.h>
 #include <kpabase/Logging.h>
 
 DB::ExactCategoryMatcher::ExactCategoryMatcher(const QString category)
     : m_category(category)
     , m_matcher(nullptr)
 {
 }
 
 DB::ExactCategoryMatcher::~ExactCategoryMatcher()
 {
     if (m_matcher) {
         delete m_matcher;
         m_matcher = nullptr;
     }
 }
 
 void DB::ExactCategoryMatcher::setMatcher(CategoryMatcher *subMatcher)
 {
     m_matcher = subMatcher;
     if (m_matcher)
         // always collect matched tags of _matcher:
         m_matcher->setShouldCreateMatchedSet(true);
 }
 
 bool DB::ExactCategoryMatcher::eval(ImageInfoPtr info, QMap<QString, StringSet> &alreadyMatched)
 {
     // it makes no sense to put one ExactCategoryMatcher into another, so we ignore alreadyMatched.
     Q_UNUSED(alreadyMatched);
 
     if (!m_matcher)
         return false;
 
     QMap<QString, StringSet> matchedTags;
 
     // first, do a regular match and collect all matched Tags.
     if (!m_matcher->eval(info, matchedTags))
         return false;
 
     // if the match succeeded, check if it is exact:
     for (const QString &item : info->itemsOfCategory(m_category))
         if (!matchedTags[m_category].contains(item))
             return false; // tag was not contained in matcher
     return true;
 }
 
 void DB::ExactCategoryMatcher::debug(int level) const
 {
     qCDebug(DBCategoryMatcherLog, "%sEXACT:", qPrintable(spaces(level)));
     m_matcher->debug(level + 1);
 }
 
 void DB::ExactCategoryMatcher::setShouldCreateMatchedSet(bool)
 {
     // no-op:
     // shouldCreateMatchedSet is already set to true for _matcher;
     // setting this to false would disable the ExactCategoryMatcher, so it is ignored.
 
     // only ExactCategoryMatcher ever calls setShouldCreateMatchedSet.
     // ExactCategoryMatcher are never stacked, so this can't be called.
     Q_ASSERT(false);
 }
 
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