File indexing completed on 2024-05-12 05:43:32 

0001 /*
0002     Copyright (C) 2013-2014 Volker Krause <vkrause@kde.org>
0003 
0004     This program is free software; you can redistribute it and/or modify it
0005     under the terms of the GNU Library General Public License as published by
0006     the Free Software Foundation; either version 2 of the License, or (at your
0007     option) any later version.
0008 
0009     This program is distributed in the hope that it will be useful, but WITHOUT
0010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
0012     License for more details.
0013 
0014     You should have received a copy of the GNU General Public License
0015     along with this program.  If not, see <https://www.gnu.org/licenses/>.
0016 */
0017 
0018 #ifndef ELFMODEL_H
0019 #define ELFMODEL_H
0020 
0021 #include "elfnodevariant.h"
0022 
0023 #include <QAbstractItemModel>
0024 
0025 class ElfFileSet;
0026 class ElfSection;
0027 class ElfSymbolTableEntry;
0028 class ElfGotEntry;
0029 class ElfPltEntry;
0030 class DwarfDie;
0031 
0032 /** Model for the ELF structure.
0033  *
0034  * Internal pointer is the ElfNodeVariant pointer containing the _parent_ for the node.
0035  */
0036 class ElfModel : public QAbstractItemModel
0037 {
0038     Q_OBJECT
0039 public:
0040     enum Role {
0041         SizeRole = Qt::UserRole + 1,
0042         DetailRole,
0043         FileRole,
0044         SectionRole,
0045         NodeUrl
0046     };
0047 
0048     explicit ElfModel(QObject* parent = nullptr);
0049     ~ElfModel();
0050 
0051     ElfFileSet* fileSet() const;
0052     void setFileSet(ElfFileSet* fileSet);
0053 
0054     QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
0055     int columnCount(const QModelIndex& parent = QModelIndex()) const override;
0056     int rowCount(const QModelIndex& parent = QModelIndex()) const override;
0057     QModelIndex parent(const QModelIndex& child) const override;
0058     QModelIndex index(int row, int column, const QModelIndex& parent) const override;
0059     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
0060 
0061     QModelIndex indexForNode(ElfSection* section) const;
0062     QModelIndex indexForNode(ElfSymbolTableEntry* symbol) const;
0063     QModelIndex indexForNode(ElfGotEntry *entry) const;
0064     QModelIndex indexForNode(ElfPltEntry *entry) const;
0065     QModelIndex indexForNode(DwarfDie* die) const;
0066     QModelIndex indexForUrl(const QUrl &url) const;
0067 
0068 private:
0069     friend class ParentVisitor;
0070 
0071     QModelIndex indexForNode(void* payload, ElfNodeVariant::Type type) const;
0072 
0073     void clearInternalPointerMap();
0074     ElfNodeVariant* variantForIndex(const QModelIndex &index) const;
0075     ElfNodeVariant contentForIndex(const QModelIndex& index) const;
0076     ElfNodeVariant* makeVariant(void* payload, ElfNodeVariant::Type type) const;
0077 
0078     QUrl urlForIndex(const QModelIndex &index) const;
0079 
0080 private:
0081     ElfFileSet *m_fileSet = nullptr;
0082     mutable QHash<void*, ElfNodeVariant*> m_internalPointerMap;
0083 
0084 };
0085 
0086 #endif // ELFMODEL_H