1static FORWARD_TABLE: &'static [u16] = &[
13 8364, 129, 8218, 402, 8222, 8230, 8224, 8225, 710, 8240, 352, 8249, 338,
14 141, 142, 143, 144, 8216, 8217, 8220, 8221, 8226, 8211, 8212, 732, 8482,
15 353, 8250, 339, 157, 158, 376, 160, 161, 162, 163, 164, 165, 166, 167, 168,
16 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
17 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198,
18 199, 200, 201, 202, 203, 204, 205, 206, 207, 286, 209, 210, 211, 212, 213,
19 214, 215, 216, 217, 218, 219, 220, 304, 350, 223, 224, 225, 226, 227, 228,
20 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 287, 241, 242, 243,
21 244, 245, 246, 247, 248, 249, 250, 251, 252, 305, 351, 255,
22];
23
24#[inline]
26pub fn forward(code: u8) -> u16 {
27 FORWARD_TABLE[(code - 0x80) as usize]
28}
29
30static BACKWARD_TABLE_LOWER: &'static [u8] = &[
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,
32 0, 0, 0, 0, 0, 0, 0, 0, 129, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 141, 142,
33 143, 144, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157, 158, 0, 160, 161, 162,
34 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177,
35 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192,
36 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
37 0, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 0, 0, 223,
38 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
39 239, 0, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 0, 0,
40 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
41 0, 0, 0, 0, 0, 0, 0, 208, 240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
42 0, 221, 253, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
43 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 140, 156, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
44 222, 254, 138, 154, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
45 0, 0, 0, 0, 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
46 0, 0, 0, 0, 0, 0, 131, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
47 0, 0, 136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
48 152, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 150,
49 151, 0, 0, 0, 145, 146, 130, 0, 147, 148, 132, 0, 134, 135, 149, 0, 0, 0,
50 133, 0, 0, 0, 0, 0, 0, 0, 0, 0, 137, 0, 0, 0, 0, 0, 0, 0, 0, 139, 155, 0,
51 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0,
52 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 153, 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,
54];
55
56static BACKWARD_TABLE_UPPER: &'static [u16] = &[
57 0, 0, 0, 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 0, 0, 0, 0, 0, 0, 0,
58 0, 0, 320, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
59 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,
60 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,
61 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,
62 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,
63 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,
64 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,
65 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,
66 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,
67 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 352, 384, 0, 0, 0, 416, 0, 0, 0, 448,
68];
69
70#[inline]
72pub fn backward(code: u32) -> u8 {
73 let offset = (code >> 5) as usize;
74 let offset = if offset < 266 {BACKWARD_TABLE_UPPER[offset] as usize} else {0};
75 BACKWARD_TABLE_LOWER[offset + ((code & 31) as usize)]
76}
77
78#[cfg(test)]
79single_byte_tests!(
80 mod = windows_1254
81);