destream_json 0.15.0

Library for decoding & encoding a JSON stream
Documentation 
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pub const COLON: &[u8] = b":";
pub const COMMA: &[u8] = b",";
pub const DECIMAL: &[u8] = b".";
pub const E: &[u8] = b"e";
pub const ESCAPE: &[u8] = b"\\";
pub const FALSE: &[u8] = b"false";
pub const TRUE: &[u8] = b"true";
pub const LIST_BEGIN: &[u8] = b"[";
pub const LIST_END: &[u8] = b"]";
pub const NULL: &[u8] = b"null";
pub const MAP_BEGIN: &[u8] = b"{";
pub const MAP_END: &[u8] = b"}";
pub const NUMERIC: [u8; 15] = [
    b'0', b'1', b'2', b'3', b'4', b'5', b'6', b'7', b'8', b'9', b'0', b'-', b'e', b'E', b'.',
];
pub const QUOTE: &[u8] = b"\"";

// Lookup table of bytes that must be escaped. A value of true at
// index i means that byte i requires an escape sequence in the input.
// taken from
// https://github.com/serde-rs/json/blob/4a0be88b5ac6cda971a52df9f027b551fe566347/src/read.rs#L789
pub static ESCAPE_CHARS: [bool; 256] = {
    const CT: bool = true; // control character \x00..=\x1F
    const QU: bool = true; // quote \x22
    const BS: bool = true; // backslash \x5C
    const __: bool = false; // allow unescaped
    [
        //   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
        CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, // 0
        CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, CT, // 1
        __, __, QU, __, __, __, __, __, __, __, __, __, __, __, __, __, // 2
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 3
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 4
        __, __, __, __, __, __, __, __, __, __, __, __, BS, __, __, __, // 5
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 6
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 7
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 8
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 9
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // A
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // B
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // C
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // D
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // E
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // F
    ]
};

pub static HEX: [u8; 256] = {
    const __: u8 = 255; // not a hex digit
    [
        //   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 0
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 1
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 2
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, __, __, __, __, __, __, // 3
        __, 10, 11, 12, 13, 14, 15, __, __, __, __, __, __, __, __, __, // 4
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 5
        __, 10, 11, 12, 13, 14, 15, __, __, __, __, __, __, __, __, __, // 6
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 7
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 8
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // 9
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // A
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // B
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // C
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // D
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // E
        __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, // F
    ]
};