/// Conversion module to convert a String to IBM codepage 437 pub fn to_string(input: &[u8]) -> String { input.iter().map(|c| to_char(*c)).collect() } pub fn from_string(input: &str) -> Vec { input.chars().map(|c| from_char(c)).collect() } fn to_char(input: u8) -> char { let output = match input { 0x00 => 0x0000, 0x01 => 0x0001, 0x02 => 0x0002, 0x03 => 0x0003, 0x04 => 0x0004, 0x05 => 0x0005, 0x06 => 0x0006, 0x07 => 0x0007, 0x08 => 0x0008, 0x09 => 0x0009, 0x0a => 0x000a, 0x0b => 0x000b, 0x0c => 0x000c, 0x0d => 0x000d, 0x0e => 0x000e, 0x0f => 0x000f, 0x10 => 0x0010, 0x11 => 0x0011, 0x12 => 0x0012, 0x13 => 0x0013, 0x14 => 0x0014, 0x15 => 0x0015, 0x16 => 0x0016, 0x17 => 0x0017, 0x18 => 0x0018, 0x19 => 0x0019, 0x1a => 0x001a, 0x1b => 0x001b, 0x1c => 0x001c, 0x1d => 0x001d, 0x1e => 0x001e, 0x1f => 0x001f, 0x20 => 0x0020, 0x21 => 0x0021, 0x22 => 0x0022, 0x23 => 0x0023, 0x24 => 0x0024, 0x25 => 0x0025, 0x26 => 0x0026, 0x27 => 0x0027, 0x28 => 0x0028, 0x29 => 0x0029, 0x2a => 0x002a, 0x2b => 0x002b, 0x2c => 0x002c, 0x2d => 0x002d, 0x2e => 0x002e, 0x2f => 0x002f, 0x30 => 0x0030, 0x31 => 0x0031, 0x32 => 0x0032, 0x33 => 0x0033, 0x34 => 0x0034, 0x35 => 0x0035, 0x36 => 0x0036, 0x37 => 0x0037, 0x38 => 0x0038, 0x39 => 0x0039, 0x3a => 0x003a, 0x3b => 0x003b, 0x3c => 0x003c, 0x3d => 0x003d, 0x3e => 0x003e, 0x3f => 0x003f, 0x40 => 0x0040, 0x41 => 0x0041, 0x42 => 0x0042, 0x43 => 0x0043, 0x44 => 0x0044, 0x45 => 0x0045, 0x46 => 0x0046, 0x47 => 0x0047, 0x48 => 0x0048, 0x49 => 0x0049, 0x4a => 0x004a, 0x4b => 0x004b, 0x4c => 0x004c, 0x4d => 0x004d, 0x4e => 0x004e, 0x4f => 0x004f, 0x50 => 0x0050, 0x51 => 0x0051, 0x52 => 0x0052, 0x53 => 0x0053, 0x54 => 0x0054, 0x55 => 0x0055, 0x56 => 0x0056, 0x57 => 0x0057, 0x58 => 0x0058, 0x59 => 0x0059, 0x5a => 0x005a, 0x5b => 0x005b, 0x5c => 0x005c, 0x5d => 0x005d, 0x5e => 0x005e, 0x5f => 0x005f, 0x60 => 0x0060, 0x61 => 0x0061, 0x62 => 0x0062, 0x63 => 0x0063, 0x64 => 0x0064, 0x65 => 0x0065, 0x66 => 0x0066, 0x67 => 0x0067, 0x68 => 0x0068, 0x69 => 0x0069, 0x6a => 0x006a, 0x6b => 0x006b, 0x6c => 0x006c, 0x6d => 0x006d, 0x6e => 0x006e, 0x6f => 0x006f, 0x70 => 0x0070, 0x71 => 0x0071, 0x72 => 0x0072, 0x73 => 0x0073, 0x74 => 0x0074, 0x75 => 0x0075, 0x76 => 0x0076, 0x77 => 0x0077, 0x78 => 0x0078, 0x79 => 0x0079, 0x7a => 0x007a, 0x7b => 0x007b, 0x7c => 0x007c, 0x7d => 0x007d, 0x7e => 0x007e, 0x7f => 0x007f, 0x80 => 0x00c7, 0x81 => 0x00fc, 0x82 => 0x00e9, 0x83 => 0x00e2, 0x84 => 0x00e4, 0x85 => 0x00e0, 0x86 => 0x00e5, 0x87 => 0x00e7, 0x88 => 0x00ea, 0x89 => 0x00eb, 0x8a => 0x00e8, 0x8b => 0x00ef, 0x8c => 0x00ee, 0x8d => 0x00ec, 0x8e => 0x00c4, 0x8f => 0x00c5, 0x90 => 0x00c9, 0x91 => 0x00e6, 0x92 => 0x00c6, 0x93 => 0x00f4, 0x94 => 0x00f6, 0x95 => 0x00f2, 0x96 => 0x00fb, 0x97 => 0x00f9, 0x98 => 0x00ff, 0x99 => 0x00d6, 0x9a => 0x00dc, 0x9b => 0x00a2, 0x9c => 0x00a3, 0x9d => 0x00a5, 0x9e => 0x20a7, 0x9f => 0x0192, 0xa0 => 0x00e1, 0xa1 => 0x00ed, 0xa2 => 0x00f3, 0xa3 => 0x00fa, 0xa4 => 0x00f1, 0xa5 => 0x00d1, 0xa6 => 0x00aa, 0xa7 => 0x00ba, 0xa8 => 0x00bf, 0xa9 => 0x2310, 0xaa => 0x00ac, 0xab => 0x00bd, 0xac => 0x00bc, 0xad => 0x00a1, 0xae => 0x00ab, 0xaf => 0x00bb, 0xb0 => 0x2591, 0xb1 => 0x2592, 0xb2 => 0x2593, 0xb3 => 0x2502, 0xb4 => 0x2524, 0xb5 => 0x2561, 0xb6 => 0x2562, 0xb7 => 0x2556, 0xb8 => 0x2555, 0xb9 => 0x2563, 0xba => 0x2551, 0xbb => 0x2557, 0xbc => 0x255d, 0xbd => 0x255c, 0xbe => 0x255b, 0xbf => 0x2510, 0xc0 => 0x2514, 0xc1 => 0x2534, 0xc2 => 0x252c, 0xc3 => 0x251c, 0xc4 => 0x2500, 0xc5 => 0x253c, 0xc6 => 0x255e, 0xc7 => 0x255f, 0xc8 => 0x255a, 0xc9 => 0x2554, 0xca => 0x2569, 0xcb => 0x2566, 0xcc => 0x2560, 0xcd => 0x2550, 0xce => 0x256c, 0xcf => 0x2567, 0xd0 => 0x2568, 0xd1 => 0x2564, 0xd2 => 0x2565, 0xd3 => 0x2559, 0xd4 => 0x2558, 0xd5 => 0x2552, 0xd6 => 0x2553, 0xd7 => 0x256b, 0xd8 => 0x256a, 0xd9 => 0x2518, 0xda => 0x250c, 0xdb => 0x2588, 0xdc => 0x2584, 0xdd => 0x258c, 0xde => 0x2590, 0xdf => 0x2580, 0xe0 => 0x03b1, 0xe1 => 0x00df, 0xe2 => 0x0393, 0xe3 => 0x03c0, 0xe4 => 0x03a3, 0xe5 => 0x03c3, 0xe6 => 0x00b5, 0xe7 => 0x03c4, 0xe8 => 0x03a6, 0xe9 => 0x0398, 0xea => 0x03a9, 0xeb => 0x03b4, 0xec => 0x221e, 0xed => 0x03c6, 0xee => 0x03b5, 0xef => 0x2229, 0xf0 => 0x2261, 0xf1 => 0x00b1, 0xf2 => 0x2265, 0xf3 => 0x2264, 0xf4 => 0x2320, 0xf5 => 0x2321, 0xf6 => 0x00f7, 0xf7 => 0x2248, 0xf8 => 0x00b0, 0xf9 => 0x2219, 0xfa => 0x00b7, 0xfb => 0x221a, 0xfc => 0x207f, 0xfd => 0x00b2, 0xfe => 0x25a0, 0xff => 0x00a0, _ => 0xfffd, }; ::std::char::from_u32(output).unwrap() } fn from_char(input: char) -> u8 { let output = match input as u32 { 0x0000 => 0x00, 0x0001 => 0x01, 0x0002 => 0x02, 0x0003 => 0x03, 0x0004 => 0x04, 0x0005 => 0x05, 0x0006 => 0x06, 0x0007 => 0x07, 0x0008 => 0x08, 0x0009 => 0x09, 0x000a => 0x0a, 0x000b => 0x0b, 0x000c => 0x0c, 0x000d => 0x0d, 0x000e => 0x0e, 0x000f => 0x0f, 0x0010 => 0x10, 0x0011 => 0x11, 0x0012 => 0x12, 0x0013 => 0x13, 0x0014 => 0x14, 0x0015 => 0x15, 0x0016 => 0x16, 0x0017 => 0x17, 0x0018 => 0x18, 0x0019 => 0x19, 0x001a => 0x1a, 0x001b => 0x1b, 0x001c => 0x1c, 0x001d => 0x1d, 0x001e => 0x1e, 0x001f => 0x1f, 0x0020 => 0x20, 0x0021 => 0x21, 0x0022 => 0x22, 0x0023 => 0x23, 0x0024 => 0x24, 0x0025 => 0x25, 0x0026 => 0x26, 0x0027 => 0x27, 0x0028 => 0x28, 0x0029 => 0x29, 0x002a => 0x2a, 0x002b => 0x2b, 0x002c => 0x2c, 0x002d => 0x2d, 0x002e => 0x2e, 0x002f => 0x2f, 0x0030 => 0x30, 0x0031 => 0x31, 0x0032 => 0x32, 0x0033 => 0x33, 0x0034 => 0x34, 0x0035 => 0x35, 0x0036 => 0x36, 0x0037 => 0x37, 0x0038 => 0x38, 0x0039 => 0x39, 0x003a => 0x3a, 0x003b => 0x3b, 0x003c => 0x3c, 0x003d => 0x3d, 0x003e => 0x3e, 0x003f => 0x3f, 0x0040 => 0x40, 0x0041 => 0x41, 0x0042 => 0x42, 0x0043 => 0x43, 0x0044 => 0x44, 0x0045 => 0x45, 0x0046 => 0x46, 0x0047 => 0x47, 0x0048 => 0x48, 0x0049 => 0x49, 0x004a => 0x4a, 0x004b => 0x4b, 0x004c => 0x4c, 0x004d => 0x4d, 0x004e => 0x4e, 0x004f => 0x4f, 0x0050 => 0x50, 0x0051 => 0x51, 0x0052 => 0x52, 0x0053 => 0x53, 0x0054 => 0x54, 0x0055 => 0x55, 0x0056 => 0x56, 0x0057 => 0x57, 0x0058 => 0x58, 0x0059 => 0x59, 0x005a => 0x5a, 0x005b => 0x5b, 0x005c => 0x5c, 0x005d => 0x5d, 0x005e => 0x5e, 0x005f => 0x5f, 0x0060 => 0x60, 0x0061 => 0x61, 0x0062 => 0x62, 0x0063 => 0x63, 0x0064 => 0x64, 0x0065 => 0x65, 0x0066 => 0x66, 0x0067 => 0x67, 0x0068 => 0x68, 0x0069 => 0x69, 0x006a => 0x6a, 0x006b => 0x6b, 0x006c => 0x6c, 0x006d => 0x6d, 0x006e => 0x6e, 0x006f => 0x6f, 0x0070 => 0x70, 0x0071 => 0x71, 0x0072 => 0x72, 0x0073 => 0x73, 0x0074 => 0x74, 0x0075 => 0x75, 0x0076 => 0x76, 0x0077 => 0x77, 0x0078 => 0x78, 0x0079 => 0x79, 0x007a => 0x7a, 0x007b => 0x7b, 0x007c => 0x7c, 0x007d => 0x7d, 0x007e => 0x7e, 0x007f => 0x7f, 0x00c7 => 0x80, 0x00fc => 0x81, 0x00e9 => 0x82, 0x00e2 => 0x83, 0x00e4 => 0x84, 0x00e0 => 0x85, 0x00e5 => 0x86, 0x00e7 => 0x87, 0x00ea => 0x88, 0x00eb => 0x89, 0x00e8 => 0x8a, 0x00ef => 0x8b, 0x00ee => 0x8c, 0x00ec => 0x8d, 0x00c4 => 0x8e, 0x00c5 => 0x8f, 0x00c9 => 0x90, 0x00e6 => 0x91, 0x00c6 => 0x92, 0x00f4 => 0x93, 0x00f6 => 0x94, 0x00f2 => 0x95, 0x00fb => 0x96, 0x00f9 => 0x97, 0x00ff => 0x98, 0x00d6 => 0x99, 0x00dc => 0x9a, 0x00a2 => 0x9b, 0x00a3 => 0x9c, 0x00a5 => 0x9d, 0x20a7 => 0x9e, 0x0192 => 0x9f, 0x00e1 => 0xa0, 0x00ed => 0xa1, 0x00f3 => 0xa2, 0x00fa => 0xa3, 0x00f1 => 0xa4, 0x00d1 => 0xa5, 0x00aa => 0xa6, 0x00ba => 0xa7, 0x00bf => 0xa8, 0x2310 => 0xa9, 0x00ac => 0xaa, 0x00bd => 0xab, 0x00bc => 0xac, 0x00a1 => 0xad, 0x00ab => 0xae, 0x00bb => 0xaf, 0x2591 => 0xb0, 0x2592 => 0xb1, 0x2593 => 0xb2, 0x2502 => 0xb3, 0x2524 => 0xb4, 0x2561 => 0xb5, 0x2562 => 0xb6, 0x2556 => 0xb7, 0x2555 => 0xb8, 0x2563 => 0xb9, 0x2551 => 0xba, 0x2557 => 0xbb, 0x255d => 0xbc, 0x255c => 0xbd, 0x255b => 0xbe, 0x2510 => 0xbf, 0x2514 => 0xc0, 0x2534 => 0xc1, 0x252c => 0xc2, 0x251c => 0xc3, 0x2500 => 0xc4, 0x253c => 0xc5, 0x255e => 0xc6, 0x255f => 0xc7, 0x255a => 0xc8, 0x2554 => 0xc9, 0x2569 => 0xca, 0x2566 => 0xcb, 0x2560 => 0xcc, 0x2550 => 0xcd, 0x256c => 0xce, 0x2567 => 0xcf, 0x2568 => 0xd0, 0x2564 => 0xd1, 0x2565 => 0xd2, 0x2559 => 0xd3, 0x2558 => 0xd4, 0x2552 => 0xd5, 0x2553 => 0xd6, 0x256b => 0xd7, 0x256a => 0xd8, 0x2518 => 0xd9, 0x250c => 0xda, 0x2588 => 0xdb, 0x2584 => 0xdc, 0x258c => 0xdd, 0x2590 => 0xde, 0x2580 => 0xdf, 0x03b1 => 0xe0, 0x00df => 0xe1, 0x0393 => 0xe2, 0x03c0 => 0xe3, 0x03a3 => 0xe4, 0x03c3 => 0xe5, 0x00b5 => 0xe6, 0x03c4 => 0xe7, 0x03a6 => 0xe8, 0x0398 => 0xe9, 0x03a9 => 0xea, 0x03b4 => 0xeb, 0x221e => 0xec, 0x03c6 => 0xed, 0x03b5 => 0xee, 0x2229 => 0xef, 0x2261 => 0xf0, 0x00b1 => 0xf1, 0x2265 => 0xf2, 0x2264 => 0xf3, 0x2320 => 0xf4, 0x2321 => 0xf5, 0x00f7 => 0xf6, 0x2248 => 0xf7, 0x00b0 => 0xf8, 0x2219 => 0xf9, 0x00b7 => 0xfa, 0x221a => 0xfb, 0x207f => 0xfc, 0x00b2 => 0xfd, 0x25a0 => 0xfe, 0x00a0 => 0xff, _ => 0x3f, // For safety, us the question mark '?' }; output } #[cfg(test)] mod test { #[test] fn to_char_valid() { for i in ::std::iter::range_inclusive(0x00, 0xFF) { super::to_char(i); } } }