compression/
lib.rs

1#![cfg_attr(docsrs, feature(doc_cfg))]
2#![allow(
3    clippy::doc_markdown,
4    clippy::missing_const_for_fn,
5    clippy::missing_errors_doc,
6    clippy::module_name_repetitions,
7    clippy::must_use_candidate,
8    clippy::use_self
9)]
10#![doc = include_str!("../README.md")]
11
12#[cfg(not(target_os = "macos"))]
13compile_error!("compression only supports macOS");
14
15mod aa_archive_stream;
16mod aa_byte_stream;
17mod aa_entry_blob;
18mod aa_entry_stream;
19mod aa_field_key;
20mod aa_header;
21mod compression_decode;
22mod compression_encode;
23mod compression_stream;
24mod aea;
25mod error;
26mod ffi;
27#[cfg(feature = "raw-ffi")]
28pub mod raw_ffi;
29pub(crate) mod util;
30
31pub use aa_archive_stream::{
32    ArchiveStream, CustomArchiveStreamCallbacks, EntryMessageData, EntryMessageEvent,
33    EntryMessageHandler,
34};
35pub use aa_byte_stream::{
36    ArchiveCompressionAlgorithm, ArchiveFlags, ByteStream, CustomByteStreamCallbacks,
37    DEFAULT_FILE_MODE, OPEN_CREATE,
38    OPEN_READ_ONLY, OPEN_READ_WRITE, OPEN_TRUNCATE, OPEN_WRITE_ONLY,
39};
40pub use aa_entry_blob::{
41    AccessControlEntry, AceFlagSet, AcePermSet, AceQualifierType, AceTag, EntryAclBlob,
42    EntryXatBlob, NamedBlobEntry,
43};
44pub use aa_entry_stream::{EntryAttributes, EntryMessage, PathList};
45pub use aa_field_key::{FieldKey, FieldKeySet};
46pub use aa_header::{
47    BlobDescription, EntryType, FieldType, HashFunction, HashValue, Header, HeaderFieldValue,
48    Timespec,
49};
50pub use compression_decode::{
51    compression_decode_buffer, compression_decode_scratch_buffer_size, decompress,
52};
53pub use compression_encode::{
54    compress, compression_encode_buffer, compression_encode_scratch_buffer_size,
55};
56pub use compression_stream::{CompressionStream, Decoder, Encoder, StreamOperation};
57pub use aea::{
58    AeaAuthData, AeaChecksumMode, AeaCiphersuite, AeaContext, AeaContextField,
59    AeaContextFieldRepresentation, AeaEncryptionMode, AeaPadding, AeaProfile,
60    AeaSignatureMode,
61};
62pub use error::{CompressionError, Result};
63
64#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
65pub enum Algorithm {
66    Lz4,
67    Zlib,
68    Lzma,
69    Lz4Raw,
70    Brotli,
71    Lzfse,
72    Lzbitmap,
73}
74
75impl Algorithm {
76    pub const ALL: [Self; 5] = [Self::Lz4, Self::Zlib, Self::Lzma, Self::Brotli, Self::Lzfse];
77    pub const BUFFER_ALL: [Self; 7] = [
78        Self::Lz4,
79        Self::Zlib,
80        Self::Lzma,
81        Self::Lz4Raw,
82        Self::Brotli,
83        Self::Lzfse,
84        Self::Lzbitmap,
85    ];
86
87    pub const fn supports_streams(self) -> bool {
88        !matches!(self, Self::Lz4Raw | Self::Lzbitmap)
89    }
90
91    pub(crate) const fn as_raw(self) -> u32 {
92        match self {
93            Self::Lz4 => 0x100,
94            Self::Zlib => 0x205,
95            Self::Lzma => 0x306,
96            Self::Lz4Raw => 0x101,
97            Self::Brotli => 0xB02,
98            Self::Lzfse => 0x801,
99            Self::Lzbitmap => 0x702,
100        }
101    }
102}
compression/lib.rs

compression/
lib.rs
