Struct lzzzz::lz4_hc::Compressor

pub struct Compressor<'a> { /* private fields */ }

Streaming LZ4_HC compressor.

Example

use lzzzz::{lz4, lz4_hc};

let data = b"The quick brown fox jumps over the lazy dog.";
let mut buf = [0u8; 256];

// The slice should have enough capacity.
assert!(buf.len() >= lz4::max_compressed_size(data.len()));

let mut comp = lz4_hc::Compressor::new()?;
let len = comp.next(data, &mut buf)?;
let compressed = &buf[..len];

Implementations

impl<'a> Compressor<'a>

pub fn new() -> Result<Self>

Creates a new Compressor.

pub fn with_dict<D>(dict: D) -> Result<Self> where
    D: Into<Cow<'a, [u8]>>, 

Creates a new Compressor with a dictionary.

pub fn set_compression_level(&mut self, level: i32)

Sets the compression level.

pub fn set_favor_dec_speed(&mut self, dec_speed: FavorDecSpeed)

Sets the decompression speed mode flag.

pub fn next(&mut self, src: &[u8], dst: &mut [u8]) -> Result<usize>

Performs LZ4_HC streaming compression.

Returns the number of bytes written into the destination buffer.

pub fn next_partial<T>(
    &mut self,
    src: &mut Cursor<T>,
    dst: &mut [u8]
) -> Result<usize> where
    T: AsRef<[u8]>, 

Compresses data until the destination slice fills up.

Returns the number of bytes written into the destination buffer.

pub fn next_to_vec(&mut self, src: &[u8], dst: &mut Vec<u8>) -> Result<usize>

Appends a compressed frame to Vec.

Returns the number of bytes appended to the given Vec<u8>.