Struct BufferManager 

pub struct BufferManager { /* private fields */ }

Manage the buffering necessary for driving ByteParser in an i/o agnostic manner

Implementations

impl BufferManager

pub fn with_initial_size(cap: usize) -> Self

Construct a BufferManager with cap byte size initially.

pub fn get_write_slice(&mut self) -> &mut [u8]

Get a writable byte slice for inserting new data

pub fn process_write<P, E>( &mut self, parser: P, readcnt: usize, ) -> Result<Outcome<P, P::Output>, E>

where P: ParserState<[u8]>, E: From<P::Error>,

Process newly inserted data

Diagram

            rstart-+           +-end
                   | _readcnt_ |
                   v/         \v
       +-----------+-----------+--------+
buffer | prev-kept | new       | uninit |
       +-----------+----+------+--------+
rslice |    consumed    | kept |
       +------+---------+------+--------+
rotate | kept | uninit                  |
       +------+-------------------------+

Trait Implementations

impl Debug for BufferManager

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BufferManager

fn default() -> BufferManager

Returns the “default value” for a type.