File indexing completed on 2024-05-12 05:43:31

 /*
     Copyright (C) 2015 Volker Krause <vkrause@kde.org>
 
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This program 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 Library General Public
     License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include "fileusermodel.h"
 
 #include <elf/elffileset.h>
 
 
 FileUserModel::FileUserModel(QObject* parent): QAbstractListModel(parent)
 {
 }
 
 FileUserModel::~FileUserModel() = default;
 
 void FileUserModel::setFile(ElfFileSet* fileSet, ElfFile *usedFile)
 {
     beginResetModel();
     const auto l = [](FileUserModel* m) { m->endResetModel(); };
     const auto endReset = std::unique_ptr<FileUserModel, decltype(l)>(this, l);
 
     m_fileSet = fileSet;
     m_usedFile = usedFile;
     m_users.clear();
     if (!m_fileSet || !m_usedFile)
         return;
 
     if (!usedFile->dynamicSection())
         return;
     auto soName = usedFile->dynamicSection()->soName();
     if (soName.isEmpty())
         soName = usedFile->fileName().toUtf8();
 
     for (int i = 0; i < fileSet->size(); ++i) {
         const auto file = fileSet->file(i);
         if (!file->dynamicSection())
             continue;
         foreach (const auto &dep, file->dynamicSection()->neededLibraries()) {
             if (dep == soName)
                 m_users.push_back(i);
         }
     }
 }
 
 ElfFile* FileUserModel::usedFile() const
 {
     return m_usedFile;
 }
 
 QVariant FileUserModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid() || !m_fileSet)
         return {};
 
     switch (role) {
         case Qt::DisplayRole:
             return m_fileSet->file(m_users.at(index.row()))->displayName();
         case FileRole:
             return QVariant::fromValue(m_fileSet->file(m_users.at(index.row())));
     }
 
     return {};
 }
 
 int FileUserModel::rowCount(const QModelIndex& parent) const
 {
     if (parent.isValid() || !m_fileSet)
         return 0;
 
     return m_users.size();
 }
 
 QVariant FileUserModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if (role == Qt::DisplayRole && orientation == Qt::Horizontal)
         return tr("Users");
     return QAbstractItemModel::headerData(section, orientation, role);
 }