www.pudn.com > potemkin_sourceforPSP.rar > ISOFileSystem.h

#pragma once 
 
#include "FileSystem.h" 
 
#include "BlockDevices.h" 
 
 
class ISOFileSystem : public IFileSystem 
{ 
	struct TreeEntry 
	{ 
		TreeEntry(){} 
		~TreeEntry() 
		{ 
			for (unsigned int i=0; i children; 
	}; 
 
	struct OpenFileEntry 
	{ 
		TreeEntry *file; 
		unsigned int seekPos; 
		bool isRawSector; 
		u32 sectorStart; 
		u32 openSize; 
	}; 
	 
 
	typedef std::map EntryMap; 
	EntryMap entries; 
	IHandleAllocator *hAlloc; 
	TreeEntry *treeroot; 
	BlockDevice *blockDevice; 
 
	TreeEntry entireISO; 
 
	void ReadDirectory(u32 startsector, u32 dirsize, TreeEntry *root); 
	TreeEntry *GetFromPath(std::string path); 
 
public: 
	ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevice); 
	~ISOFileSystem(); 
	std::vector GetDirListing(std::string path); 
	u32      OpenFile(std::string filename, FileAccess access); 
	void     CloseFile(u32 handle); 
	size_t   ReadFile(u32 handle, u8 *pointer, s64 size); 
	size_t   WriteFile(u32 handle, const u8 *pointer, s64 size); 
	size_t   SeekFile(u32 handle, s32 position, FileMove type); 
	FileInfo GetFileInfo(std::string filename); 
	bool     OwnsHandle(u32 handle); 
};