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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/rust/bitreader/README.md | |
parent | Initial commit. (diff) | |
download | thunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.tar.xz thunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/bitreader/README.md')
-rw-r--r-- | third_party/rust/bitreader/README.md | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/rust/bitreader/README.md b/third_party/rust/bitreader/README.md new file mode 100644 index 0000000000..640071bf23 --- /dev/null +++ b/third_party/rust/bitreader/README.md @@ -0,0 +1,27 @@ +# BitReader + +BitReader is a helper type to extract strings of bits from a slice of bytes. + +[](https://crates.io/crates/bitreader) +[](https://docs.rs/bitreader) +[](https://travis-ci.org/irauta/bitreader) + +Here is how you read first a single bit, then three bits and finally four bits from a byte buffer: + + use bitreader::BitReader; + + let slice_of_u8 = &[0b1000_1111]; + let mut reader = BitReader::new(slice_of_u8); + + // You obviously should use try! or some other error handling mechanism here + let a_single_bit = reader.read_u8(1).unwrap(); // 1 + let more_bits = reader.read_u8(3).unwrap(); // 0 + let last_bits_of_byte = reader.read_u8(4).unwrap(); // 0b1111 + +You can naturally read bits from longer buffer of data than just a single byte. + +As you read bits, the internal cursor of BitReader moves on along the stream of bits. Big endian format is assumed when reading the multi-byte values. BitReader supports reading maximum of 64 bits at a time (with read_u64). + +## License + +Licensed under the Apache License, Version 2.0 or the MIT license, at your option. |