encoding_index_singlebyte/
windows_1251.rs

1// AUTOGENERATED FROM index-windows-1251.txt, ORIGINAL COMMENT FOLLOWS:
2//
3// For details on index index-windows-1251.txt see the Encoding Standard
4// https://encoding.spec.whatwg.org/
5//
6// Identifier: 7592ef921679ba168b00a9e9afa3b4eebd67bf13dc7e84c4b6e120de856826e0
7// Date: 2018-01-06
8
9#[allow(dead_code)] const X: u16 = 0xffff;
10
11const FORWARD_TABLE: &[u16] = &[
12    1026, 1027, 8218, 1107, 8222, 8230, 8224, 8225, 8364, 8240, 1033, 8249, 1034, 1036, 1035, 1039,
13    1106, 8216, 8217, 8220, 8221, 8226, 8211, 8212, 152, 8482, 1113, 8250, 1114, 1116, 1115, 1119,
14    160, 1038, 1118, 1032, 164, 1168, 166, 167, 1025, 169, 1028, 171, 172, 173, 174, 1031, 176,
15    177, 1030, 1110, 1169, 181, 182, 183, 1105, 8470, 1108, 187, 1112, 1029, 1109, 1111, 1040,
16    1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056,
17    1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072,
18    1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088,
19    1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103,
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    240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 0, 184, 144,
33    131, 186, 190, 179, 191, 188, 154, 156, 158, 157, 0, 162, 159, 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, 152, 0, 0, 0, 0, 0, 0, 0, 160,
35    0, 0, 0, 164, 0, 166, 167, 0, 169, 0, 171, 172, 173, 174, 0, 176, 177, 0, 0, 0, 181, 182, 183,
36    0, 0, 0, 187, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 165, 180, 0, 0, 0, 0, 0, 0, 0, 0,
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, 0,
38    0, 0, 0, 0, 0, 0, 136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 185,
39    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 153, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
40    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 150, 151, 0, 0, 0, 145, 146, 130, 0, 147, 148, 132, 0, 134, 135,
41    149, 0, 0, 0, 133, 0, 0, 0, 0, 0, 0, 0, 0, 0, 137, 0, 0, 0, 0, 0, 0, 0, 0, 139, 155, 0, 0, 0,
42    0, 0, 168, 128, 129, 170, 189, 178, 175, 163, 138, 140, 142, 141, 0, 161, 143, 192, 193, 194,
43    195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213,
44    214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,
45    233, 234, 235, 236, 237, 238, 239,
46]; // 401 entries
47
48#[cfg(not(feature = "no-optimized-legacy-encoding"))]
49const BACKWARD_TABLE_UPPER: &[u16] = &[
50    0, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 337, 64, 164, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
51    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,
52    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,
53    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,
54    0, 0, 0, 274, 0, 184, 0, 229,
55]; // 133 entries
56
57/// Returns the index pointer for code point `code` in this index.
58#[inline]
59#[cfg(not(feature = "no-optimized-legacy-encoding"))]
60pub fn backward(code: u32) -> u8 {
61    let offset = (code >> 6) as usize;
62    let offset = if offset < 133 {BACKWARD_TABLE_UPPER[offset] as usize} else {0};
63    BACKWARD_TABLE_LOWER[offset + ((code & 63) as usize)]
64}
65
66/// Returns the index pointer for code point `code` in this index.
67#[cfg(feature = "no-optimized-legacy-encoding")]
68pub fn backward(code: u32) -> u8 {
69    if code > 8482 || ((0x10005u32 >> (code >> 9)) & 1) == 0 { return 0; }
70    let code = code as u16;
71    for i in 0..0x80 {
72        if FORWARD_TABLE[i as usize] == code { return 0x80 + i; }
73    }
74    0
75}
76
77#[cfg(test)]
78encoding_index_tests::single_byte_tests! {
79}
encoding_index_singlebyte/windows_1251.rs

encoding_index_singlebyte/
windows_1251.rs
