Struct FileReader 

pub struct FileReader<'a, B: BlockIo> { /* private fields */ }

Buffered file reader for streaming large files

Provides a seek/read interface for files that may be too large to load entirely into memory.

Implementations

impl<'a, B: BlockIo> FileReader<'a, B>

pub fn new(block_io: &'a mut B, file: FileEntry) -> Self

Create new file reader

pub fn read(&mut self, buffer: &mut [u8]) -> Result<usize>

Read bytes from current position

Returns number of bytes read (may be less than buffer size at EOF)

pub fn seek(&mut self, pos: u64)

Seek to absolute position

pub fn seek_relative(&mut self, offset: i64)

Seek relative to current position

pub fn position(&self) -> u64

Get current position

pub fn size(&self) -> u64

Get file size

pub fn is_eof(&self) -> bool

Check if at end of file

pub fn remaining(&self) -> u64

Get remaining bytes