Struct RarVM 

pub struct RarVM { /* private fields */ }

RAR VM state

Implementations

impl RarVM

pub fn new() -> Self

pub fn reset(&mut self)

Reset VM state

pub fn add_code( &mut self, first_byte: u8, code: &[u8], total_written: u64, window_mask: u32, ) -> bool

Add VM code and create filter total_written is the absolute total bytes written so far (not wrapped) window_mask is used to wrap block_start for window access

pub fn has_pending_filters(&self) -> bool

Check if there are pending filters

pub fn find_ready_filter(&self, total_written: u64) -> Option<(usize, u64)>

Find the earliest filter that is ready to execute (block_end <= total_written) Returns the index and block_start of the earliest ready filter

pub fn next_filter_pos(&self) -> Option<u64>

Get the next filter’s block start position

pub fn next_filter_end(&self) -> Option<u64>

Get the earliest filter end position (block_start + block_length)

pub fn peek_filter(&self) -> Option<&PreparedFilter>

Peek at the next filter without removing it

pub fn execute_filter_at_index( &mut self, filter_idx: usize, window: &[u8], window_mask: usize, total_written: u64, ) -> Option<(u64, &[u8])>

Execute pending filters on the sliding window buffer. total_written is the absolute total bytes written so far. window is the circular sliding window (read-only!). window_mask is used for wrapping. Returns (filter_end_position, filtered_data) if a filter was executed. The filtered data should be written directly to output, NOT back to window.

pub fn execute_filters( &mut self, buffer: &mut [u8], _write_pos: u64, ) -> Option<(usize, usize)>

Execute pending filters on the output buffer write_pos is the absolute total bytes written so far The buffer is the full output buffer, not the sliding window

Trait Implementations

impl Default for RarVM

fn default() -> Self

Returns the “default value” for a type.