encoding_index_singlebyte/
windows_874.rs

1// AUTOGENERATED FROM index-windows-874.txt, ORIGINAL COMMENT FOLLOWS:
2//
3// For details on index index-windows-874.txt see the Encoding Standard
4// https://encoding.spec.whatwg.org/
5//
6// Identifier: b416583ce125e38474381b31b401a98b19ecf2e57e0998e78a1e18b14894905d
7// Date: 2018-01-06
8
9#[allow(dead_code)] const X: u16 = 0xffff;
10
11const FORWARD_TABLE: &[u16] = &[
12    8364, 129, 130, 131, 132, 8230, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 8216,
13    8217, 8220, 8221, 8226, 8211, 8212, 152, 153, 154, 155, 156, 157, 158, 159, 160, 3585, 3586,
14    3587, 3588, 3589, 3590, 3591, 3592, 3593, 3594, 3595, 3596, 3597, 3598, 3599, 3600, 3601, 3602,
15    3603, 3604, 3605, 3606, 3607, 3608, 3609, 3610, 3611, 3612, 3613, 3614, 3615, 3616, 3617, 3618,
16    3619, 3620, 3621, 3622, 3623, 3624, 3625, 3626, 3627, 3628, 3629, 3630, 3631, 3632, 3633, 3634,
17    3635, 3636, 3637, 3638, 3639, 3640, 3641, 3642, X, X, X, X, 3647, 3648, 3649, 3650, 3651, 3652,
18    3653, 3654, 3655, 3656, 3657, 3658, 3659, 3660, 3661, 3662, 3663, 3664, 3665, 3666, 3667, 3668,
19    3669, 3670, 3671, 3672, 3673, 3674, 3675, X, X, X, X,
20]; // 128 entries
21
22/// Returns the index code point for pointer `code` in this index.
23#[inline]
24pub fn forward(code: u8) -> u16 {
25    FORWARD_TABLE[(code - 0x80) as usize]
26}
27
28#[cfg(not(feature = "no-optimized-legacy-encoding"))]
29const BACKWARD_TABLE_LOWER: &[u8] = &[
30    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
31    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
32    224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242,
33    243, 244, 245, 246, 247, 248, 249, 250, 251, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
34    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0,
35    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 129, 130, 131, 132, 0, 134, 135, 136, 137, 138,
36    139, 140, 141, 142, 143, 144, 0, 0, 0, 0, 0, 0, 0, 152, 153, 154, 155, 156, 157, 158, 159, 160,
37    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
38    150, 151, 0, 0, 0, 145, 146, 0, 0, 147, 148, 0, 0, 0, 0, 149, 0, 0, 0, 133, 0, 0, 0, 0, 0, 0,
39    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 161, 162, 163, 164, 165, 166, 167,
40    168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186,
41    187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
42    206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 0, 0, 0, 0, 223,
43]; // 327 entries
44
45#[cfg(not(feature = "no-optimized-legacy-encoding"))]
46const BACKWARD_TABLE_UPPER: &[u16] = &[
47    0, 0, 155, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
48    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 263, 64, 0, 0, 0, 0,
49    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
50    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
51    0, 0, 200, 0, 92,
52]; // 131 entries
53
54/// Returns the index pointer for code point `code` in this index.
55#[inline]
56#[cfg(not(feature = "no-optimized-legacy-encoding"))]
57pub fn backward(code: u32) -> u8 {
58    let offset = (code >> 6) as usize;
59    let offset = if offset < 131 {BACKWARD_TABLE_UPPER[offset] as usize} else {0};
60    BACKWARD_TABLE_LOWER[offset + ((code & 63) as usize)]
61}
62
63/// Returns the index pointer for code point `code` in this index.
64#[cfg(feature = "no-optimized-legacy-encoding")]
65pub fn backward(code: u32) -> u8 {
66    if code > 8364 || ((0x10081u32 >> (code >> 9)) & 1) == 0 { return 0; }
67    let code = code as u16;
68    for i in 0..0x80 {
69        if FORWARD_TABLE[i as usize] == code { return 0x80 + i; }
70    }
71    0
72}
73
74#[cfg(test)]
75encoding_index_tests::single_byte_tests! {
76}
encoding_index_singlebyte/windows_874.rs

encoding_index_singlebyte/
windows_874.rs
