www.pudn.com > potemkin_sourceforPSP.rar > MetaFileSystem.cpp

#include "stdafx.h" 
#include "MetaFileSystem.h" 
 
 
IFileSystem *MetaFileSystem::GetHandleOwner(u32 handle) 
{ 
	for (unsigned int i=0; iOwnsHandle(handle)) 
			return fileSystems[i].system; //got it! 
	}	 
	//none found? 
	return 0; 
} 
 
bool MetaFileSystem::MapFilePath(std::string inpath, std::string &outpath, IFileSystem **system) 
{ 
	for (unsigned int i=0; iOpenFile(of, access); 
	} 
	else 
	{ 
		return 0; 
	} 
} 
 
FileInfo MetaFileSystem::GetFileInfo(std::string filename) 
{ 
	std::string of; 
	IFileSystem *system; 
	if (MapFilePath(filename, of, &system)) 
	{ 
		return system->GetFileInfo(of); 
	} 
	else 
	{ 
		FileInfo bogus; // TODO 
		return bogus;  
	} 
} 
 
std::vector MetaFileSystem::GetDirListing(std::string path) 
{ 
	std::string of; 
	IFileSystem *system; 
	if (MapFilePath(path, of, &system)) 
	{ 
		return system->GetDirListing(of); 
	} 
	else 
	{ 
		std::vector empty; 
		return empty; 
	} 
} 
 
 
void MetaFileSystem::CloseFile(u32 handle) 
{ 
	IFileSystem *sys = GetHandleOwner(handle); 
	if (sys) 
		sys->CloseFile(handle); 
} 
 
size_t MetaFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) 
{ 
	IFileSystem *sys = GetHandleOwner(handle); 
	if (sys) 
		return sys->ReadFile(handle,pointer,size); 
	else 
		return 0; 
} 
 
size_t MetaFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) 
{ 
	IFileSystem *sys = GetHandleOwner(handle); 
	if (sys) 
		return sys->WriteFile(handle,pointer,size); 
	else 
		return 0; 
} 
 
size_t MetaFileSystem::SeekFile(u32 handle, s32 position, FileMove type) 
{ 
	IFileSystem *sys = GetHandleOwner(handle); 
	if (sys) 
		return sys->SeekFile(handle,position,type); 
	else 
		return 0; 
}