Experimental reader prototype

Need optimization in further version

include/RDI.h

@@ -63,6 +63,10 @@ namespace RDI {
 	RDI_EXTERN std::string getSectionName( unsigned char id );
 	RDI_EXTERN unsigned int getSectionOffset( unsigned char id );
 
+	RDI_EXTERN unsigned int getDirectoryElementCount( std::string path );
+	RDI_EXTERN std::vector<std::string> getDirectoryElements( std::string path );
+	RDI_EXTERN bool isElementDirectory( std::string path );
+
 	/**
 	 * @brief	Clean up global resources.
 	 */

src/DatEntry.cpp

@@ -29,13 +29,14 @@ FileEntry::~FileEntry() {}
 DirectoryEntry::DirectoryEntry( std::string name ) {
 	this->name = name;
 	this->fFlags.raw = 0;
-	this->fFlags.sectionRootDir = 1;
+	this->rootDir = true;
 	vSubFiles = new std::vector<DatEntry*>;
 }
 
 DirectoryEntry::DirectoryEntry( std::string name, DAT_FILE_FLAGS fFlags ) {
 	this->name = name;
 	this->fFlags.raw = fFlags.raw;
+	this->rootDir = false;
 	vSubFiles = new std::vector<DatEntry*>;
 }
 
@@ -46,7 +47,11 @@ DirectoryEntry::DirectoryEntry( std::string name, DAT_FILE_FLAGS fFlags, DatEntr
 	AddEntry(hFileEntry);
 }
 
-DirectoryEntry::~DirectoryEntry() {}
+DirectoryEntry::~DirectoryEntry() {
+	for ( DatEntry* e : *vSubFiles )
+		delete e;
+	delete vSubFiles;
+}
 
 /*std::string DirectoryEntry::toString() {
 

src/DatEntry.h

@@ -20,12 +20,13 @@ namespace RDI {
 
 typedef union u_file_flags {
 	struct {
+		// LSB
 		unsigned short unknown0:1;
 		unsigned short isFile:1;
 		unsigned short unknown1:5;
 		unsigned short isDirectory:1;
-		unsigned short unknown2:7;
-		unsigned short sectionRootDir:1;
+		unsigned short unknown2:8;
+		// MSB
 	};
 	unsigned short raw;
 } DAT_FILE_FLAGS;
@@ -36,14 +37,18 @@ class DatEntry {
 public:
 	virtual ~DatEntry() = 0;
 	virtual bool isDirectory() = 0;
+	virtual bool isRootDirectory() = 0;
 	//virtual std::string toString() = 0;
 	virtual unsigned int getSize() = 0;
 
+	std::string getName() { return name; };
+
 protected:
 	std::string name;
 	DAT_FILE_FLAGS fFlags;
 };
 
+inline DatEntry::~DatEntry() {}
 
 class FileEntry : public DatEntry {
 public:
@@ -54,6 +59,7 @@ public:
 
 	//std::string toString();
 	bool isDirectory() { return false; }
+	bool isRootDirectory() { return false; }
 	unsigned int getSize() { return size; }
 
 private:
@@ -71,12 +77,15 @@ public:
 
 	void ClearLinkedFiles();
 	void AddEntry( DatEntry* hFileEntry );
+	std::vector<DatEntry*> getFiles() { return *vSubFiles; }
 
 	//std::string toString();
 	bool isDirectory() { return true; }
+	bool isRootDirectory() { return rootDir; }
 	unsigned int getSize() { return vSubFiles->size(); }
 
 private:
+	bool rootDir;
 	std::vector<DatEntry*> *vSubFiles;
 };
 

src/RDI.cpp

@@ -13,9 +13,11 @@
 
 #include <iostream>
 #include <string>
+#include <vector>
 #include <fstream>
 #include "config.h"
 #include "RDat.h"
+#include "DatEntry.h"
 #include "RDI.h"
 
 
@@ -36,6 +38,7 @@ void RDI::CreateRDatHandler( std::string roguePath ){
 	//return hRDat;
 }
 
+
 unsigned char RDI::getSectionCount() {
 	if (hRDat == nullptr) return 0;
 	else return hRDat->getDataSectionCount();
@@ -51,6 +54,47 @@ unsigned int RDI::getSectionOffset( unsigned char id ) {
 	else return hRDat->getDataSectionOffset(id);
 }
 
+
+unsigned int RDI::getDirectoryElementCount( std::string path ) {
+	DirectoryEntry* result = nullptr;
+
+	if (path.empty()) return 0;
+
+	result = dynamic_cast<DirectoryEntry *>(hRDat->getElement(boost::filesystem::path(path)));
+
+	if (result == nullptr) return 0;
+	else return result->getSize();
+}
+
+std::vector<std::string> RDI::getDirectoryElements( std::string path ) {
+	DirectoryEntry* de = nullptr;
+	std::vector<std::string> elementsNameArray;
+	elementsNameArray.clear();
+
+	if (!path.empty()) {
+		de = dynamic_cast<DirectoryEntry *>(hRDat->getElement(boost::filesystem::path(path)));
+
+		if (de != nullptr && de->isDirectory()) {
+			for (DatEntry* de2 : de->getFiles())
+				elementsNameArray.push_back(de2->getName());
+		}
+	}
+
+	return elementsNameArray;
+}
+
+bool RDI::isElementDirectory( std::string path ) {
+	DatEntry* result = nullptr;
+
+	if (path.empty()) return false;
+
+	result = hRDat->getElement(boost::filesystem::path(path));
+
+	if (result == nullptr) return false;
+	else return (result->isDirectory() || result->isRootDirectory());
+}
+
+
 void RDI::DestroyRDatHandler(){
 	if (hRDat) delete hRDat;
 }

src/RDat.cpp

@@ -50,6 +50,9 @@ RDat::RDat( string fPath ) {
 }
 
 RDat::~RDat() {
+	for ( DirectoryEntry* de : *pFTRoot )
+		delete de;
+	delete pFTRoot;
 	free(rDatPtr);
 	delete pDatSection;
 }
@@ -129,15 +132,16 @@ RDI_RESULT RDat::ProcessFilesTree() {
 	MEMFILE pFileDescriptors = nullptr;
 
 	// Create new root files tree. One per data section.
-	pFTRoot = new std::vector<DirectoryEntry*>(cDatSection);
+	pFTRoot = new std::vector<DirectoryEntry*>;
+	pFTRoot->clear();
 	for ( i = 0; i < cDatSection; i++ ) {
 		curDir = new DirectoryEntry(pDatSection->at(i).name);
 		pFTRoot->push_back(curDir);
 
 		// Recalculate files descriptor offset for current section.
 		pFileDescriptors = rDatPtr + pDatSection->at(i).offset +
-				((T_DAT_SECTION*)rDatPtr + pDatSection->at(i).offset)->file_headers_offset;
-		curEntriesCount = (((T_DAT_SECTION*)rDatPtr + pDatSection->at(i).offset)->file_headers_size) / 32;
+				((T_DAT_SECTION*)(rDatPtr + pDatSection->at(i).offset))->file_headers_offset;
+		curEntriesCount = (((T_DAT_SECTION*)(rDatPtr + pDatSection->at(i).offset))->file_headers_size) / 32;
 
 		// Process arborescente in recursive method.
 		ProcessDirectoryContents(curDir, pFileDescriptors, curEntriesCount, rDatPtr + pDatSection->at(i).offset);
@@ -157,22 +161,24 @@ RDI_RESULT RDat::ProcessDirectoryContents( DirectoryEntry* pCurDir, MEMFILE pDes
 	if ( count == 0) return RDI_ERROR_PROCESS;
 
 	for ( i = 0; i < count; i++ ) {
-		curEntryFlags.raw = ((T_FILE_HEADER*)pDesc)->flags;
+		curEntryFlags.raw = ((T_FILE_HEADER*)(pDesc + i * sizeof(T_FILE_HEADER)))->flags;
 
 		tmpStr.clear();
-		tmpStr.append(((T_FILE_HEADER*)pDesc)->name);
+		tmpStr.append(((T_FILE_HEADER*)(pDesc + i * sizeof(T_FILE_HEADER)))->name);
 
 		// Test for file or directory
 		if (!curEntryFlags.isDirectory) {
-			newFile = new FileEntry(tmpStr, curEntryFlags, ((T_FILE_HEADER*)pDesc)->datas_size, pSectionStart + ((T_FILE_HEADER*)pDesc)->datas_offset);
+			newFile = new FileEntry(tmpStr, curEntryFlags,
+					((T_FILE_HEADER*)(pDesc + i * sizeof(T_FILE_HEADER)))->datas_size,
+					pSectionStart + ((T_FILE_HEADER*)(pDesc + i * sizeof(T_FILE_HEADER)))->datas_offset);
 			pCurDir->AddEntry(newFile);
 		} else {
 			newDir = new DirectoryEntry(tmpStr, curEntryFlags);
 			pCurDir->AddEntry(newDir);
 
 			ProcessDirectoryContents(newDir,
-					pDesc + i * sizeof(T_FILE_HEADER),
-					(((T_FILE_HEADER*)pCurDir)->dir_entries_size - sizeof(T_FILE_HEADER)) / sizeof(T_FILE_HEADER),
+					pDesc + (i + 1) * sizeof(T_FILE_HEADER),
+					(((T_FILE_HEADER*)(pDesc + i * sizeof(T_FILE_HEADER)))->dir_entries_size - sizeof(T_FILE_HEADER)) / sizeof(T_FILE_HEADER),
 					pSectionStart);
 		}
 	}
@@ -180,4 +186,51 @@ RDI_RESULT RDat::ProcessDirectoryContents( DirectoryEntry* pCurDir, MEMFILE pDes
 	return RDI_OK;
 }
 
+DatEntry *RDat::getElement( boost::filesystem::path virtualDirPath ) {
+	bool skip = false;
+	boost::filesystem::path newPath;
+
+	for ( DatEntry* de : *pFTRoot ) {
+		if (virtualDirPath.size() == 1 || virtualDirPath.begin() == --virtualDirPath.end()) {
+			if (de->getName() == virtualDirPath.filename().string())
+				return de;
+		} else {
+			if (de->getName() == virtualDirPath.begin()->string()) {
+				for (auto& sp : virtualDirPath) {
+									if (skip)
+										newPath.append(sp);
+									skip = true;
+								}
+				return SearchSectionForEntry(dynamic_cast<DirectoryEntry *>(de), newPath);
+			}
+		}
+	}
+
+	return nullptr;
+}
+
+DatEntry *RDat::SearchSectionForEntry( DirectoryEntry *curDir, boost::filesystem::path virtualDirPath ) {
+	bool skip = false;
+	boost::filesystem::path newPath;
+
+	for ( DatEntry* e : curDir->getFiles() ) {
+		if (virtualDirPath.size() == 1 || virtualDirPath.begin() == --virtualDirPath.end()) {
+			if (e->getName() == virtualDirPath.filename().string())
+				return e;
+		} else {
+			if (e->isDirectory() && (e->getName() == virtualDirPath.begin()->string())) {
+				for (auto& sp : virtualDirPath) {
+					if (skip)
+						newPath.append(sp);
+					skip = true;
+				}
+				//TODO: add safety when trying to access inside a file
+				return SearchSectionForEntry(dynamic_cast<DirectoryEntry *>(e), newPath);
+			}
+		}
+	}
+
+	return nullptr;
+}
+
 }

src/RDat.h

@@ -39,6 +39,8 @@ public:
 	std::string getDataSectionName( unsigned char id );
 	unsigned int getDataSectionOffset( unsigned char id );
 
+	DatEntry *getElement( boost::filesystem::path virtualDirPath );
+
 private:
 	std::string workingDir = ".";
 
@@ -59,6 +61,9 @@ private:
 			MEMFILE pSectionStart
 		);
 
+	/* Tree manipulation/parse methods */
+	DatEntry *SearchSectionForEntry( DirectoryEntry *curDir, boost::filesystem::path virtualDirPath);
+
 };
 
 } /* namespace RDI */

tools/RDIdebug.cpp

@@ -8,11 +8,17 @@
  */
 
 #include <iostream>
+#include <string>
+#include <boost/filesystem.hpp>
 #include <RDI.h>
 
 
+void PrintVirtualDirectoryContents( boost::filesystem::path, std::string );
+
 int main( int argc, char *argv[] ) {
 	unsigned int i;
+	boost::filesystem::path pathBuilder;
+	std::string prefix;
 
 	printf("Using RDI lib v%s\n\n", RDI::getLibVersion().c_str());
 	//cout << "Using RDI lib v" << RDI::getLibVersion() << endl << endl;
@@ -28,7 +34,42 @@ int main( int argc, char *argv[] ) {
 		printf("  -Section %d offset: 0x%X\n", i, RDI::getSectionOffset(i));
 	}
 
+	//prefix.append("\t");
+	prefix.append("  ");
+	printf("\nSections files root:\n");
+	for ( i = 0; i < RDI::getSectionCount(); i++ ) {
+		printf("%s:\n", RDI::getSectionName(i).c_str());		// Print root trees
+
+		pathBuilder.clear();
+		pathBuilder.concat(RDI::getSectionName(i));
+
+		PrintVirtualDirectoryContents(pathBuilder, prefix);
+	}
+
 	RDI::DestroyRDatHandler();
 
 	return 0;
 }
+
+void PrintVirtualDirectoryContents( boost::filesystem::path path, std::string outPrefix ) {
+	auto curDirElementsName = RDI::getDirectoryElements(path.string());
+	auto newPath = boost::filesystem::path(path);
+	auto newOutPrefix = std::string(outPrefix);
+
+	for ( std::string eName : curDirElementsName ) {
+		newPath.clear();
+		newPath.concat(path);
+		newOutPrefix.clear();
+		newOutPrefix.append(outPrefix);
+
+		newPath.append(eName);
+		if (RDI::isElementDirectory(newPath.string())) {
+			printf("%s%s:\n", outPrefix.c_str(), eName.c_str());
+			//newOutPrefix.append("\t");
+			newOutPrefix.append("  ");
+			PrintVirtualDirectoryContents(newPath, newOutPrefix);
+		} else {
+			printf("%s%s\n", newOutPrefix.c_str(), eName.c_str());
+		}
+	}
+}