Manages a file reading stream from a file source, such as a plugin's zip or folder contents.
~FileSource()
FileSource(const string&in filename)
FileSource(const IO::FileSource&in)
uint64 Size()
uint64
bool EOF()
bool
void SetPos(uint64 pos)
uint64 Pos()
MemoryBuffer@ Read(uint64 size)
MemoryBuffer@
string ReadLine()
string
string ReadToEnd()