Crate varing

Expand description

varing

Protobuf’s varint encoding/decoding for LEB128 friendly types with full const context operations supports.

LoC

§Installation

[dependencies]
varing = "0.5"

§Optional Features

arbitrary-int: Support encode/decode arbitrary-int types by using LEB128.
bnum: Support encode/decode bnum types by using LEB128.
chrono: Support encode/decode chrono types by using LEB128 (not fully compatible in const context).
chrono-tz: Support encode/decode chrono-tz types by using LEB128.
ethereum-types: Support encode/decode ethereum-types types by using LEB128.
num-complex: Support encode/decode num-complex types by using LEB128.
num-rational: Support encode/decode num-rational types by using LEB128.
primitive-types: Support encode/decode primitive-types types by using LEB128.
ruint: Support encode/decode ruint types by using LEB128 (not compatible in const context).
time: Support encode/decode time types by using LEB128.

§Testing

This crate is tested with the quickcheck crate and cargo fuzz (including all optional features).

§License

varing is under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE, LICENSE-MIT for details.

Modules§

arbitrary_intarbitrary-int: LEB128 encoding/decoding for u1, u2 .. u127
bnumbnum_0_13: LEB128 encoding/decoding for bnum types.
chronochrono_0_4: LEB128 encoding/decoding for chrono types.
chrono_tzchrono-tz_0_10: LEB128 encoding/decoding for chrono-tz types.
ethereum_typesethereum-types_0_15: LEB128 encoding/decoding for ethereum-types types.
num_complexnum-complex_0_4: LEB128 encoding/decoding for num-complex types.
num_rationalnum-rational_0_4: LEB128 encoding/decoding for num-rational types.
primitive_typesprimitive-types_0_13: LEB128 encoding/decoding for primitive-types types.
timetime_0_3: LEB128 encoding/decoding for time types.
utils: Utilities for encoding and decoding LEB128 variable length integers.

Enums§

DecodeError: Decoding varint error.
EncodeError: Encode varint error

Traits§

Varint: A trait for types that can be encoded as variable-length integers (varints).

Functions§

consume_varint: Calculates the number of bytes occupied by a varint encoded value in the buffer.
decode_char: Decodes a char in LEB128 encoded format from the buffer.
decode_duration: Decodes a Duration in LEB128 encoded format from the buffer.
decode_i8_varint: Decodes an u8 in LEB128 encoded format from the buffer.
decode_i16_varint: Decodes an u16 in LEB128 encoded format from the buffer.
decode_i32_varint: Decodes an u32 in LEB128 encoded format from the buffer.
decode_i64_varint: Decodes an u64 in LEB128 encoded format from the buffer.
decode_i128_varint: Decodes an u128 in LEB128 encoded format from the buffer.
decode_u8_varint: Decodes an i8 in LEB128 encoded format from the buffer.
decode_u16_varint: Decodes an i16 in LEB128 encoded format from the buffer.
decode_u32_varint: Decodes an i32 in LEB128 encoded format from the buffer.
decode_u64_varint: Decodes an i64 in LEB128 encoded format from the buffer.
decode_u128_varint: Decodes an i128 in LEB128 encoded format from the buffer.
encode_char: Encodes a char value into LEB128 variable length format, and writes it to the buffer.
encode_char_to: Encodes a char value into LEB128 variable length format, and writes it to the buffer.
encode_duration: Encodes a Duration value into LEB128 variable length format, and writes it to the buffer.
encode_duration_to: Encodes a Duration value into LEB128 variable length format, and writes it to the buffer.
encode_i8_varint: Encodes an i8 value into LEB128 variable length format, and writes it to the buffer.
encode_i8_varint_to: Encodes an i8 value into LEB128 variable length format, and writes it to the buffer.
encode_i16_varint: Encodes an i16 value into LEB128 variable length format, and writes it to the buffer.
encode_i16_varint_to: Encodes an i16 value into LEB128 variable length format, and writes it to the buffer.
encode_i32_varint: Encodes an i32 value into LEB128 variable length format, and writes it to the buffer.
encode_i32_varint_to: Encodes an i32 value into LEB128 variable length format, and writes it to the buffer.
encode_i64_varint: Encodes an i64 value into LEB128 variable length format, and writes it to the buffer.
encode_i64_varint_to: Encodes an i64 value into LEB128 variable length format, and writes it to the buffer.
encode_i128_varint: Encodes an i128 value into LEB128 variable length format, and writes it to the buffer.
encode_i128_varint_to: Encodes an i128 value into LEB128 variable length format, and writes it to the buffer.
encode_u8_varint: Encodes an u8 value into LEB128 variable length format, and writes it to the buffer.
encode_u8_varint_to: Encodes an u8 value into LEB128 variable length format, and writes it to the buffer.
encode_u16_varint: Encodes an u16 value into LEB128 variable length format, and writes it to the buffer.
encode_u16_varint_to: Encodes an u16 value into LEB128 variable length format, and writes it to the buffer.
encode_u32_varint: Encodes an u32 value into LEB128 variable length format, and writes it to the buffer.
encode_u32_varint_to: Encodes an u32 value into LEB128 variable length format, and writes it to the buffer.
encode_u64_varint: Encodes an u64 value into LEB128 variable length format, and writes it to the buffer.
encode_u64_varint_to: Encodes an u64 value into LEB128 variable length format, and writes it to the buffer.
encode_u128_varint: Encodes an u128 value into LEB128 variable length format, and writes it to the buffer.
encode_u128_varint_to: Encodes an u128 value into LEB128 variable length format, and writes it to the buffer.
encoded_char_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range char::ENCODED_LEN_RANGE.
encoded_duration_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range Duration::ENCODED_LEN_RANGE.
encoded_i8_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of i8::ENCODED_LEN_RANGE.
encoded_i16_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of i16::ENCODED_LEN_RANGE.
encoded_i32_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of i32::ENCODED_LEN_RANGE.
encoded_i64_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range i64::ENCODED_LEN_RANGE.
encoded_i128_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range i128::ENCODED_LEN_RANGE.
encoded_u8_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of u8::ENCODED_LEN_RANGE.
encoded_u16_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of u16::ENCODED_LEN_RANGE.
encoded_u32_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range of u32::ENCODED_LEN_RANGE.
encoded_u64_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range u64::ENCODED_LEN_RANGE.
encoded_u128_varint_len: Returns the encoded length of the value in LEB128 variable length format. The returned value will be in range u128::ENCODED_LEN_RANGE.

Type Aliases§

CharBuffer: A buffer for storing LEB128 encoded char value.

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