encoding-index-singlebyte 1.20141219.2

Index tables for various single-byte character encodings
// AUTOGENERATED FROM index-iso-8859-7.txt, ORIGINAL COMMENT FOLLOWS:
//
// Any copyright is dedicated to the Public Domain.
// https://creativecommons.org/publicdomain/zero/1.0/
//
// For details on index index-iso-8859-7.txt see the Encoding Standard
// https://encoding.spec.whatwg.org/
//
// Identifier: f53d8aeba36314ef950eef02ffcf11dff540638ce27dfe7a86b6ccc6875afb24
// Date: 2014-12-19

static FORWARD_TABLE: &'static [u16] = &[
    128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
    143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157,
    158, 159, 160, 8216, 8217, 163, 8364, 8367, 166, 167, 168, 169, 890, 171,
    172, 173, 65535, 8213, 176, 177, 178, 179, 900, 901, 902, 183, 904, 905,
    906, 187, 908, 189, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920,
    921, 922, 923, 924, 925, 926, 927, 928, 929, 65535, 931, 932, 933, 934,
    935, 936, 937, 938, 939, 940, 941, 942, 943, 944, 945, 946, 947, 948, 949,
    950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960, 961, 962, 963, 964,
    965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 65535,
];

/// Returns the index code point for pointer `code` in this index.
#[inline]
#[stable]
pub fn forward(code: u8) -> u16 {
    FORWARD_TABLE[(code - 0x80) as usize]
}

static BACKWARD_TABLE_LOWER: &'static [u8] = &[
    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, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
    139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 0, 0, 163, 0, 0, 166, 167, 168, 169, 0,
    171, 172, 173, 0, 0, 176, 177, 178, 179, 0, 0, 0, 183, 0, 0, 0, 187, 0,
    189, 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, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 180, 181, 182, 0, 184, 185,
    186, 0, 188, 0, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201,
    202, 203, 204, 205, 206, 207, 208, 209, 0, 211, 212, 213, 214, 215, 216,
    217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231,
    232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246,
    247, 248, 249, 250, 251, 252, 253, 254, 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, 0, 0, 0, 0, 0,
    0, 175, 0, 0, 161, 162, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 164, 0, 0, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];

static BACKWARD_TABLE_UPPER: &'static [u16] = &[
    0, 0, 0, 0, 32, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 96, 128, 160, 192, 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, 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, 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, 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, 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, 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, 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, 0, 224, 0, 0, 0, 0, 256,
];

/// Returns the index pointer for code point `code` in this index.
#[inline]
#[stable]
pub fn backward(code: u32) -> u8 {
    let offset = (code >> 5) as usize;
    let offset = if offset < 262 {BACKWARD_TABLE_UPPER[offset] as usize} else {0};
    BACKWARD_TABLE_LOWER[offset + ((code & 31) as usize)]
}

#[cfg(test)]
single_byte_tests!(
    mod = iso_8859_7
);