simple parsing of resources
This commit is contained in:
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2405fa9bc1
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GPG Key ID:
596B2350DCD67504
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@ -5,12 +5,12 @@
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#include <memory>
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struct RegisteredResource {
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RegisteredResource(int i, const unsigned char* resourceStruct, const unsigned char* resourceName, const unsigned char* resourceData);
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RegisteredResource(int version, const unsigned char* resourceStruct, const unsigned char* resourceName, const unsigned char* resourceData);
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int i; // what is this? version? type? (always just 2?)
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int version;
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const unsigned char* resourceStruct;
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const unsigned char* resourceName;
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const unsigned char* resourceData;
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};
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std::map<uint64_t, std::shared_ptr<RegisteredResource>>* registeredResources = nullptr;
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extern std::map<uint64_t, std::shared_ptr<RegisteredResource>>* registeredResources;
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@ -1,30 +0,0 @@
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#pragma once
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#include <QDir>
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#include <QFileSystemModel>
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#include <QVector>
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class QFileInfo;
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class QtResourceModel : public QAbstractItemModel {
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public:
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QtResourceModel( const QDir& root, QObject* parent = nullptr );
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virtual ~QtResourceModel();
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virtual QModelIndex index(int, int, const QModelIndex&) const override;
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virtual QModelIndex parent(const QModelIndex&) const override;
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virtual int rowCount(const QModelIndex&) const override;
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virtual int columnCount(const QModelIndex&) const override;
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virtual QVariant data(const QModelIndex&, int) const override;
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private:
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using internalData = QFileInfo;
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QDir root;
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QVector<internalData*> internals;
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};
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@ -3,6 +3,9 @@
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#include <QMainWindow>
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#include <QString>
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#include <QStringRef>
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namespace Ui {
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class ResourceExplorer;
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}
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@ -15,6 +18,37 @@ public:
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~ResourceExplorer();
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private:
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struct MemoryMap {
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const unsigned char* begin;
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const unsigned char* end;
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QString path;
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};
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enum ResourceFlags {
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NoFlags = 0,
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Compressed = 1,
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Directory = 2
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};
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struct ResourceNode {
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QString name;
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ResourceFlags flags;
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uint32_t size;
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const unsigned char* start;
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uint16_t country;
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uint16_t language;
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uint64_t lastModTimeMS;
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uint32_t hash;
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std::vector<ResourceNode*> children;
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};
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using data = const unsigned char*;
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void rebuild();
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std::vector<MemoryMap> readMemoryMaps();
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std::vector<ResourceExplorer::ResourceNode*> parseResource(int version, data library, data names, data data );
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Ui::ResourceExplorer *ui;
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};
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@ -30,12 +30,11 @@ INCLUDEPATH += $$PWD/include/
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SOURCES += \
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src/injector.cpp \
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src/qtdebugger.cpp \
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src/qtresourcemodel.cpp \
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src/resourceexplorer.cpp
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HEADERS += \
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include/injector.cpp \
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include/qtdebugger.h \
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include/qtresourcemodel.h \
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include/resourceexplorer.h
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FORMS += \
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@ -10,8 +10,10 @@
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using registerFunc = bool (*) (int, const unsigned char*, const unsigned char*, const unsigned char*);
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RegisteredResource::RegisteredResource(int i, const unsigned char* resourceStruct, const unsigned char* resourceName, const unsigned char* resourceData) :
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i( i ), resourceStruct( resourceStruct ), resourceName( resourceName ), resourceData( resourceData ) { }
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std::map<uint64_t, std::shared_ptr<RegisteredResource>>* registeredResources = nullptr;
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RegisteredResource::RegisteredResource(int version, const unsigned char* resourceStruct, const unsigned char* resourceName, const unsigned char* resourceData) :
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version( version ), resourceStruct( resourceStruct ), resourceName( resourceName ), resourceData( resourceData ) { }
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int QApplication::exec() {
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// init debugger
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@ -1,97 +0,0 @@
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#include "qtresourcemodel.h"
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#include <QFileInfo>
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QtResourceModel::QtResourceModel( const QDir& root, QObject* parent ) :
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QAbstractItemModel( parent ),
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root( root.absolutePath() )
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{
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}
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QtResourceModel::~QtResourceModel() {
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for( internalData* inter : internals ) {
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delete inter;
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}
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internals.clear();
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}
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QModelIndex QtResourceModel::index(int row, int column, const QModelIndex& parent) const {
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if (!hasIndex(row, column, parent))
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return QModelIndex();
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internalData* parentItem;
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if (parent.isValid()) {
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parentItem = static_cast<internalData*>(parent.internalPointer());
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} else {
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parentItem = new internalData( root, "." );
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// internals.append( parentItem );
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}
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if (parentItem->isDir()) {
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QDir parentDir( parentItem->absolutePath() );
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QFileInfoList entrys = parentDir.entryInfoList(QDir::Filter::AllEntries, QDir::SortFlag::DirsFirst | QDir::SortFlag::Name );
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if ( entrys.size() < row ) {
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internalData* childItem = new internalData( entrys.at(row) );
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// internals.append( childItem );
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return createIndex(row, column, childItem);
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}
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}
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return QModelIndex();
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}
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QModelIndex QtResourceModel::parent(const QModelIndex& index) const {
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if (!index.isValid())
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return QModelIndex();
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internalData* childItem = static_cast<internalData*>(index.internalPointer());
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internalData* parentItem = new internalData( childItem->dir().absolutePath() );
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// internals.append( parentItem );
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if (parentItem->absolutePath() == root.absolutePath())
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return QModelIndex();
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return createIndex(0, 0, parentItem);
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}
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int QtResourceModel::rowCount(const QModelIndex& parent) const {
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if (parent.column() > 0)
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return 0;
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QDir parentDir;
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if( parent.isValid() ) {
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internalData* parentItem = static_cast<internalData*>(parent.internalPointer());
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if ( ! parentItem->isDir()) {
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return 0;
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}
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parentDir = QDir( parentItem->absolutePath() );
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} else {
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parentDir = root;
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}
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QFileInfoList entrys = parentDir.entryInfoList(QDir::Filter::AllEntries, QDir::SortFlag::DirsFirst | QDir::SortFlag::Name );
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return entrys.size();
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}
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int QtResourceModel::columnCount(const QModelIndex& parent) const {
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return 2;
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}
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QVariant QtResourceModel::data(const QModelIndex& index, int role) const {
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if (!index.isValid())
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return QVariant();
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internalData* item = static_cast<internalData*>( index.internalPointer() );
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if (role == Qt::DisplayRole) {
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if ( index.column() == 0)
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return QVariant( item->fileName() );
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if ( index.column() == 1)
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return QVariant( item->size() );
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}
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return QVariant();
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}
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@ -1,15 +1,207 @@
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#include "resourceexplorer.h"
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#include "ui_resourceexplorer.h"
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#include "qtresourcemodel.h"
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#include <QFile>
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#include <QFileInfo>
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#include <QDebug>
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ResourceExplorer::ResourceExplorer(QWidget *parent) : QMainWindow( parent ), ui(new Ui::ResourceExplorer) {
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#include <endian.h>
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#include <list>
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#include "injector.h"
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#pragma pack (push, 1)
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struct ResourceLibraryEntry {
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uint32_t nameOffset;
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uint16_t flags; // use ResourceFlags
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union Content {
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struct Directory {
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uint32_t childCount;
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uint32_t childOffset;
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} directory;
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struct File {
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uint16_t country;
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uint16_t language;
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uint32_t dataOffset;
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} file;
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} content;
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};
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struct ResourceLibraryEntryV2 : public ResourceLibraryEntry {
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uint64_t lastModTimeMS;
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};
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struct ResouceNameEntry {
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uint16_t length;
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uint32_t hash;
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// string content
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char str[0];
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};
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struct ResouceDataEntry {
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uint32_t length;
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char data[0];
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};
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#pragma pack (pop)
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ResourceExplorer::ResourceExplorer( QWidget* parent ) : QMainWindow( parent ), ui( new Ui::ResourceExplorer ) {
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this->ui->setupUi(this);
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QtResourceModel* model = new QtResourceModel( QDir( ":/" ), this );
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this->ui->treeView->setModel( model );
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this->rebuild();
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}
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ResourceExplorer::~ResourceExplorer() {
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delete this->ui;
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}
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void ResourceExplorer::rebuild() {
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this->ui->treeWidget->clear();
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if ( !registeredResources || registeredResources->empty() ) {
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QTreeWidgetItem* resItem = new QTreeWidgetItem();
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resItem->setText( 0, "No Resources Captured" );
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this->ui->treeWidget->addTopLevelItem( resItem );
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return;
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}
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std::vector<MemoryMap> memMaps = readMemoryMaps();
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for ( auto it : *registeredResources ) {
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// find correct memory map
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auto memMapIt = std::find_if(memMaps.cbegin(), memMaps.cend(), [c = it.second](const MemoryMap& mm) { return mm.begin < c->resourceStruct && mm.end > c->resourceStruct; } );
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QString fileName( "<file unknown>" );
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QString filePath( "" );
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if ( memMapIt != memMaps.cend() ) {
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fileName = QFileInfo( memMapIt->path ).fileName();
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filePath = memMapIt->path;
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}
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QTreeWidgetItem* resItem = new QTreeWidgetItem( );
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resItem->setText( 0, fileName );
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resItem->setToolTip( 0, filePath );
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std::shared_ptr<RegisteredResource> r = it.second;
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std::vector<ResourceNode*> resources = parseResource(r->version, r->resourceStruct, r->resourceName, r->resourceData);
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this->ui->treeWidget->addTopLevelItem( resItem );
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}
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}
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std::vector<ResourceExplorer::MemoryMap> ResourceExplorer::readMemoryMaps() {
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QFile maps("/proc/self/maps");
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if ( !maps.open( QIODevice::ReadOnly | QIODevice::Text ) ) {
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qWarning() << "failed to read MemoryMaps";
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return {};
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}
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// QTextStream stream(&maps);
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std::vector<MemoryMap> out;
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out.reserve( maps.size() / 100 ); // approximation of row count
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do {
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QString line = QString::fromUtf8( maps.readLine() );
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if( line.isEmpty() ) continue;
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QVector<QStringRef> parts = line.splitRef(' ', QString::SplitBehavior::SkipEmptyParts );
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if ( parts.size() != 6) {
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continue;
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}
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QVector<QStringRef> borders = parts.at(0).split('-');
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if ( borders.size() != 2) continue;
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bool ok = true;
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const unsigned char* begin = (const unsigned char*) borders.at( 0 ).toULongLong( &ok, 16);
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if ( !ok ) continue;
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const unsigned char* end = (const unsigned char*) borders.at( 1 ).toULongLong( &ok, 16);
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if ( !ok ) continue;
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if ( begin > end ) std::swap( begin, end );
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out.push_back( MemoryMap{ begin, end, parts.at( 5 ).toString().simplified() } );
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} while( !maps.atEnd() );
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return out;
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}
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static QString readUTF16String(const char16_t* ptr, uint32_t size) {
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char16_t* newptr = new char16_t[size];
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for ( uint32_t i = 0; i < size; ++i ) {
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newptr[i] = be16toh(ptr[i]);
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}
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QString out = QString::fromUtf16(newptr, size);
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delete[] newptr;
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return out;
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}
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std::vector<ResourceExplorer::ResourceNode*> ResourceExplorer::parseResource(int version, ResourceExplorer::data libraryIndex, ResourceExplorer::data names, ResourceExplorer::data data ) {
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std::vector<ResourceNode*> out;
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if ( version > 2 ) {
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qWarning() << "resource has unknown version: " << version;
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return out;
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}
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const uint32_t libraryOffset = ( version == 1 ) ? sizeof(ResourceLibraryEntry) : sizeof(ResourceLibraryEntryV2);
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using task_t = std::pair<uint32_t, std::vector<ResourceNode*>*>;
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std::list<task_t> pendingOffsets;
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pendingOffsets.push_back( {0, &out} );
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while ( pendingOffsets.size() > 0) {
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task_t task = pendingOffsets.front();
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uint32_t offset = task.first;
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pendingOffsets.pop_front();
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const ResourceLibraryEntryV2* entry = (const ResourceLibraryEntryV2*) &libraryIndex[ offset * libraryOffset ];
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ResourceNode* newNode = new ResourceNode();
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newNode->flags = (ResourceFlags) be16toh( entry->flags );
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if( offset == 0) {
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newNode->name = ":";
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newNode->hash = 0;
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} else {
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uint32_t nameOffset = be32toh(entry->nameOffset);
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uint16_t nameLen = be16toh(*(uint16_t*) (names + nameOffset));
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newNode->name = readUTF16String((const char16_t*) (names + nameOffset + 6), nameLen);
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newNode->hash = *((uint16_t*) ( names + nameOffset + 2));
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}
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if ( newNode->flags & ResourceFlags::Directory ) {
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// directory
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newNode->size = 0;
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newNode->country = 0;
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newNode->language = 0;
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uint32_t childCount = be32toh( entry->content.directory.childCount );
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uint32_t childOffset = be32toh( entry->content.directory.childOffset );
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for ( uint32_t i = 0; i < childCount; ++i ) {
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pendingOffsets.push_back( { i + childOffset, &(newNode->children) } );
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}
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} else {
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// file
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newNode->country = be16toh(entry->content.file.country);
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newNode->language = be16toh(entry->content.file.language);
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uint32_t dataOffset = be32toh(entry->content.file.dataOffset);
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const unsigned char* dataBegin = data + dataOffset;
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newNode->size = *((const uint32_t*) dataBegin);
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newNode->start = dataBegin + 4;
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}
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if ( version >= 2 ) {
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newNode->lastModTimeMS = entry->lastModTimeMS;
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}
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task.second->push_back( newNode );
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}
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return out;
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}
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@ -16,7 +16,27 @@
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<widget class="QWidget" name="centralwidget">
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<layout class="QGridLayout" name="gridLayout">
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<item row="0" column="0">
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<widget class="QTreeView" name="treeView"/>
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<widget class="QTreeWidget" name="treeWidget">
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<property name="columnCount">
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<number>2</number>
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</property>
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<attribute name="headerMinimumSectionSize">
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<number>50</number>
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</attribute>
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<attribute name="headerDefaultSectionSize">
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<number>200</number>
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</attribute>
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<column>
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<property name="text">
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<string notr="true">1</string>
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</property>
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</column>
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<column>
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<property name="text">
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<string notr="true">2</string>
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</property>
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</column>
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</widget>
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</item>
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</layout>
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</widget>
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