File indexing completed on 2025-01-05 03:56:25

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2006-02-23
  * Description : item metadata interface - Xmp helpers.
  *
  * SPDX-FileCopyrightText: 2006-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2006-2013 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  * SPDX-FileCopyrightText: 2011      by Leif Huhn <leif at dkstat dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "dmetadata.h"
 
 // Qt includes
 
 #include <QLocale>
 
 // Local includes
 
 #include "metaenginesettings.h"
 #include "digikam_version.h"
 #include "digikam_globals.h"
 #include "digikam_debug.h"
 
 namespace Digikam
 {
 
 QVariant DMetadata::fromXmpList(const char* const xmpTagName) const
 {
     QVariant var = getXmpTagVariant(xmpTagName);
 
     if (var.isNull())
     {
 
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
 
         return QVariant(QMetaType(QMetaType::QStringList));
 
 #else
 
         return QVariant(QVariant::StringList);
 
 #endif
 
     }
 
     return var;
 }
 
 QVariant DMetadata::fromXmpLangAlt(const char* const xmpTagName) const
 {
     QVariant var = getXmpTagVariant(xmpTagName);
 
     if (var.isNull())
     {
 
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
 
         return QVariant(QMetaType(QMetaType::QVariantMap));
 
 #else
 
         return QVariant(QVariant::Map);
 
 #endif
 
     }
 
     return var;
 }
 
 bool DMetadata::addToXmpTagStringBag(const char* const xmpTagName, const QStringList& entriesToAdd) const
 {
     QStringList oldEntries = getXmpTagStringBag(xmpTagName, false);
     QStringList newEntries = entriesToAdd;
 
     // Create a list of keywords including old one which already exists.
 
     for (QStringList::const_iterator it = oldEntries.constBegin() ; it != oldEntries.constEnd() ; ++it )
     {
         if (!newEntries.contains(*it))
         {
             newEntries.append(*it);
         }
     }
 
     if (setXmpTagStringBag(xmpTagName, newEntries))
     {
         return true;
     }
 
     return false;
 }
 
 bool DMetadata::removeFromXmpTagStringBag(const char* const xmpTagName, const QStringList& entriesToRemove) const
 {
     QStringList currentEntries = getXmpTagStringBag(xmpTagName, false);
     QStringList newEntries;
 
     // Create a list of current keywords except those that shall be removed
 
     for (QStringList::const_iterator it = currentEntries.constBegin() ; it != currentEntries.constEnd() ; ++it )
     {
         if (!entriesToRemove.contains(*it))
         {
             newEntries.append(*it);
         }
     }
 
     if (setXmpTagStringBag(xmpTagName, newEntries))
     {
         return true;
     }
 
     return false;
 }
 
 QStringList DMetadata::getXmpKeywords() const
 {
     return (getXmpTagStringBag("Xmp.dc.subject", false));
 }
 
 bool DMetadata::setXmpKeywords(const QStringList& newKeywords) const
 {
     return setXmpTagStringBag("Xmp.dc.subject", newKeywords);
 }
 
 bool DMetadata::removeXmpKeywords(const QStringList& keywordsToRemove)
 {
     return removeFromXmpTagStringBag("Xmp.dc.subject", keywordsToRemove);
 }
 
 QStringList DMetadata::getXmpSubCategories() const
 {
     return (getXmpTagStringBag("Xmp.photoshop.SupplementalCategories", false));
 }
 
 bool DMetadata::setXmpSubCategories(const QStringList& newSubCategories) const
 {
     return addToXmpTagStringBag("Xmp.photoshop.SupplementalCategories", newSubCategories);
 }
 
 bool DMetadata::removeXmpSubCategories(const QStringList& subCategoriesToRemove)
 {
     return removeFromXmpTagStringBag("Xmp.photoshop.SupplementalCategories", subCategoriesToRemove);
 }
 
 QStringList DMetadata::getXmpSubjects() const
 {
     return (getXmpTagStringBag("Xmp.iptc.SubjectCode", false));
 }
 
 bool DMetadata::setXmpSubjects(const QStringList& newSubjects) const
 {
     return addToXmpTagStringBag("Xmp.iptc.SubjectCode", newSubjects);
 }
 
 bool DMetadata::removeXmpSubjects(const QStringList& subjectsToRemove)
 {
     return removeFromXmpTagStringBag("Xmp.iptc.SubjectCode", subjectsToRemove);
 }
 
 bool DMetadata::removeXmpTags(const QStringList& tagFilters)
 {
     MetaDataMap m = getXmpTagsDataList(tagFilters);
 
     if (m.isEmpty())
     {
         return false;
     }
 
     for (MetaDataMap::iterator it = m.begin() ; it != m.end() ; ++it)
     {
         removeXmpTag(it.key().toLatin1().constData());
     }
 
     return true;
 }
 
 } // namespace Digikam