| 1 | #include "Python.h"
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| 2 | #include "bytes_methods.h"
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| 3 |
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| 4 | /* Our own locale-independent ctype.h-like macros */
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| 5 |
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| 6 | const unsigned int _Py_ctype_table[256] = {
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| 7 | 0, /* 0x0 '\x00' */
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| 8 | 0, /* 0x1 '\x01' */
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| 9 | 0, /* 0x2 '\x02' */
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| 10 | 0, /* 0x3 '\x03' */
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| 11 | 0, /* 0x4 '\x04' */
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| 12 | 0, /* 0x5 '\x05' */
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| 13 | 0, /* 0x6 '\x06' */
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| 14 | 0, /* 0x7 '\x07' */
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| 15 | 0, /* 0x8 '\x08' */
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| 16 | FLAG_SPACE, /* 0x9 '\t' */
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| 17 | FLAG_SPACE, /* 0xa '\n' */
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| 18 | FLAG_SPACE, /* 0xb '\v' */
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| 19 | FLAG_SPACE, /* 0xc '\f' */
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| 20 | FLAG_SPACE, /* 0xd '\r' */
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| 21 | 0, /* 0xe '\x0e' */
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| 22 | 0, /* 0xf '\x0f' */
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| 23 | 0, /* 0x10 '\x10' */
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| 24 | 0, /* 0x11 '\x11' */
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| 25 | 0, /* 0x12 '\x12' */
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| 26 | 0, /* 0x13 '\x13' */
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| 27 | 0, /* 0x14 '\x14' */
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| 28 | 0, /* 0x15 '\x15' */
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| 29 | 0, /* 0x16 '\x16' */
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| 30 | 0, /* 0x17 '\x17' */
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| 31 | 0, /* 0x18 '\x18' */
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| 32 | 0, /* 0x19 '\x19' */
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| 33 | 0, /* 0x1a '\x1a' */
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| 34 | 0, /* 0x1b '\x1b' */
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| 35 | 0, /* 0x1c '\x1c' */
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| 36 | 0, /* 0x1d '\x1d' */
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| 37 | 0, /* 0x1e '\x1e' */
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| 38 | 0, /* 0x1f '\x1f' */
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| 39 | FLAG_SPACE, /* 0x20 ' ' */
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| 40 | 0, /* 0x21 '!' */
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| 41 | 0, /* 0x22 '"' */
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| 42 | 0, /* 0x23 '#' */
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| 43 | 0, /* 0x24 '$' */
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| 44 | 0, /* 0x25 '%' */
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| 45 | 0, /* 0x26 '&' */
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| 46 | 0, /* 0x27 "'" */
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| 47 | 0, /* 0x28 '(' */
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| 48 | 0, /* 0x29 ')' */
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| 49 | 0, /* 0x2a '*' */
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| 50 | 0, /* 0x2b '+' */
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| 51 | 0, /* 0x2c ',' */
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| 52 | 0, /* 0x2d '-' */
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| 53 | 0, /* 0x2e '.' */
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| 54 | 0, /* 0x2f '/' */
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| 55 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x30 '0' */
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| 56 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x31 '1' */
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| 57 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x32 '2' */
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| 58 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x33 '3' */
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| 59 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x34 '4' */
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| 60 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x35 '5' */
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| 61 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x36 '6' */
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| 62 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x37 '7' */
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| 63 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x38 '8' */
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| 64 | FLAG_DIGIT|FLAG_XDIGIT, /* 0x39 '9' */
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| 65 | 0, /* 0x3a ':' */
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| 66 | 0, /* 0x3b ';' */
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| 67 | 0, /* 0x3c '<' */
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| 68 | 0, /* 0x3d '=' */
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| 69 | 0, /* 0x3e '>' */
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| 70 | 0, /* 0x3f '?' */
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| 71 | 0, /* 0x40 '@' */
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| 72 | FLAG_UPPER|FLAG_XDIGIT, /* 0x41 'A' */
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| 73 | FLAG_UPPER|FLAG_XDIGIT, /* 0x42 'B' */
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| 74 | FLAG_UPPER|FLAG_XDIGIT, /* 0x43 'C' */
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| 75 | FLAG_UPPER|FLAG_XDIGIT, /* 0x44 'D' */
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| 76 | FLAG_UPPER|FLAG_XDIGIT, /* 0x45 'E' */
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| 77 | FLAG_UPPER|FLAG_XDIGIT, /* 0x46 'F' */
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| 78 | FLAG_UPPER, /* 0x47 'G' */
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| 79 | FLAG_UPPER, /* 0x48 'H' */
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| 80 | FLAG_UPPER, /* 0x49 'I' */
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| 81 | FLAG_UPPER, /* 0x4a 'J' */
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| 82 | FLAG_UPPER, /* 0x4b 'K' */
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| 83 | FLAG_UPPER, /* 0x4c 'L' */
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| 84 | FLAG_UPPER, /* 0x4d 'M' */
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| 85 | FLAG_UPPER, /* 0x4e 'N' */
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| 86 | FLAG_UPPER, /* 0x4f 'O' */
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| 87 | FLAG_UPPER, /* 0x50 'P' */
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| 88 | FLAG_UPPER, /* 0x51 'Q' */
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| 89 | FLAG_UPPER, /* 0x52 'R' */
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| 90 | FLAG_UPPER, /* 0x53 'S' */
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| 91 | FLAG_UPPER, /* 0x54 'T' */
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| 92 | FLAG_UPPER, /* 0x55 'U' */
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| 93 | FLAG_UPPER, /* 0x56 'V' */
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| 94 | FLAG_UPPER, /* 0x57 'W' */
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| 95 | FLAG_UPPER, /* 0x58 'X' */
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| 96 | FLAG_UPPER, /* 0x59 'Y' */
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| 97 | FLAG_UPPER, /* 0x5a 'Z' */
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| 98 | 0, /* 0x5b '[' */
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| 99 | 0, /* 0x5c '\\' */
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| 100 | 0, /* 0x5d ']' */
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| 101 | 0, /* 0x5e '^' */
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| 102 | 0, /* 0x5f '_' */
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| 103 | 0, /* 0x60 '`' */
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| 104 | FLAG_LOWER|FLAG_XDIGIT, /* 0x61 'a' */
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| 105 | FLAG_LOWER|FLAG_XDIGIT, /* 0x62 'b' */
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| 106 | FLAG_LOWER|FLAG_XDIGIT, /* 0x63 'c' */
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| 107 | FLAG_LOWER|FLAG_XDIGIT, /* 0x64 'd' */
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| 108 | FLAG_LOWER|FLAG_XDIGIT, /* 0x65 'e' */
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| 109 | FLAG_LOWER|FLAG_XDIGIT, /* 0x66 'f' */
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| 110 | FLAG_LOWER, /* 0x67 'g' */
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| 111 | FLAG_LOWER, /* 0x68 'h' */
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| 112 | FLAG_LOWER, /* 0x69 'i' */
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| 113 | FLAG_LOWER, /* 0x6a 'j' */
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| 114 | FLAG_LOWER, /* 0x6b 'k' */
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| 115 | FLAG_LOWER, /* 0x6c 'l' */
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| 116 | FLAG_LOWER, /* 0x6d 'm' */
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| 117 | FLAG_LOWER, /* 0x6e 'n' */
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| 118 | FLAG_LOWER, /* 0x6f 'o' */
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| 119 | FLAG_LOWER, /* 0x70 'p' */
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| 120 | FLAG_LOWER, /* 0x71 'q' */
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| 121 | FLAG_LOWER, /* 0x72 'r' */
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| 122 | FLAG_LOWER, /* 0x73 's' */
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| 123 | FLAG_LOWER, /* 0x74 't' */
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| 124 | FLAG_LOWER, /* 0x75 'u' */
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| 125 | FLAG_LOWER, /* 0x76 'v' */
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| 126 | FLAG_LOWER, /* 0x77 'w' */
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| 127 | FLAG_LOWER, /* 0x78 'x' */
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| 128 | FLAG_LOWER, /* 0x79 'y' */
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| 129 | FLAG_LOWER, /* 0x7a 'z' */
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| 130 | 0, /* 0x7b '{' */
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| 131 | 0, /* 0x7c '|' */
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| 132 | 0, /* 0x7d '}' */
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| 133 | 0, /* 0x7e '~' */
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| 134 | 0, /* 0x7f '\x7f' */
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| 135 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 136 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 137 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 138 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 139 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 140 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 141 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 142 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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| 143 | };
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| 144 |
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| 145 |
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| 146 | const unsigned char _Py_ctype_tolower[256] = {
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| 147 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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| 148 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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| 149 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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| 150 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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| 151 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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| 152 | 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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| 153 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
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| 154 | 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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| 155 | 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
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| 156 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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| 157 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
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| 158 | 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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| 159 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
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| 160 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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| 161 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
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| 162 | 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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| 163 | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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| 164 | 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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| 165 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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| 166 | 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
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| 167 | 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
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| 168 | 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
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| 169 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
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| 170 | 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
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| 171 | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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| 172 | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
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| 173 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
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| 174 | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
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| 175 | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
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| 176 | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
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| 177 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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| 178 | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
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| 179 | };
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| 180 |
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| 181 | const unsigned char _Py_ctype_toupper[256] = {
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| 182 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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| 183 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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| 184 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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| 185 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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| 186 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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| 187 | 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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| 188 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
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| 189 | 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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| 190 | 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
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| 191 | 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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| 192 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
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| 193 | 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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| 194 | 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
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| 195 | 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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| 196 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
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| 197 | 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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| 198 | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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| 199 | 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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| 200 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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| 201 | 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
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| 202 | 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
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| 203 | 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
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| 204 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
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| 205 | 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
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| 206 | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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| 207 | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
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| 208 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
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| 209 | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
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| 210 | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
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| 211 | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
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| 212 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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| 213 | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
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| 214 | };
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| 215 |
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| 216 |
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| 217 | PyDoc_STRVAR_shared(_Py_isspace__doc__,
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| 218 | "B.isspace() -> bool\n\
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| 219 | \n\
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| 220 | Return True if all characters in B are whitespace\n\
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| 221 | and there is at least one character in B, False otherwise.");
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| 222 |
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| 223 | PyObject*
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| 224 | _Py_bytes_isspace(const char *cptr, Py_ssize_t len)
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| 225 | {
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| 226 | register const unsigned char *p
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| 227 | = (unsigned char *) cptr;
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| 228 | register const unsigned char *e;
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| 229 |
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| 230 | /* Shortcut for single character strings */
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| 231 | if (len == 1 && ISSPACE(*p))
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| 232 | Py_RETURN_TRUE;
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| 233 |
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| 234 | /* Special case for empty strings */
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| 235 | if (len == 0)
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| 236 | Py_RETURN_FALSE;
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| 237 |
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| 238 | e = p + len;
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| 239 | for (; p < e; p++) {
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| 240 | if (!ISSPACE(*p))
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| 241 | Py_RETURN_FALSE;
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| 242 | }
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| 243 | Py_RETURN_TRUE;
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| 244 | }
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| 245 |
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| 246 |
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| 247 | PyDoc_STRVAR_shared(_Py_isalpha__doc__,
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| 248 | "B.isalpha() -> bool\n\
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| 249 | \n\
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| 250 | Return True if all characters in B are alphabetic\n\
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| 251 | and there is at least one character in B, False otherwise.");
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| 252 |
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| 253 | PyObject*
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| 254 | _Py_bytes_isalpha(const char *cptr, Py_ssize_t len)
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| 255 | {
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| 256 | register const unsigned char *p
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| 257 | = (unsigned char *) cptr;
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| 258 | register const unsigned char *e;
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| 259 |
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| 260 | /* Shortcut for single character strings */
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| 261 | if (len == 1 && ISALPHA(*p))
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| 262 | Py_RETURN_TRUE;
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| 263 |
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| 264 | /* Special case for empty strings */
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| 265 | if (len == 0)
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| 266 | Py_RETURN_FALSE;
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| 267 |
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| 268 | e = p + len;
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| 269 | for (; p < e; p++) {
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| 270 | if (!ISALPHA(*p))
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| 271 | Py_RETURN_FALSE;
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| 272 | }
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| 273 | Py_RETURN_TRUE;
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| 274 | }
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| 275 |
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| 276 |
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| 277 | PyDoc_STRVAR_shared(_Py_isalnum__doc__,
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| 278 | "B.isalnum() -> bool\n\
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| 279 | \n\
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| 280 | Return True if all characters in B are alphanumeric\n\
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| 281 | and there is at least one character in B, False otherwise.");
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| 282 |
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| 283 | PyObject*
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| 284 | _Py_bytes_isalnum(const char *cptr, Py_ssize_t len)
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| 285 | {
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| 286 | register const unsigned char *p
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| 287 | = (unsigned char *) cptr;
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| 288 | register const unsigned char *e;
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| 289 |
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| 290 | /* Shortcut for single character strings */
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| 291 | if (len == 1 && ISALNUM(*p))
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|---|
| 292 | Py_RETURN_TRUE;
|
|---|
| 293 |
|
|---|
| 294 | /* Special case for empty strings */
|
|---|
| 295 | if (len == 0)
|
|---|
| 296 | Py_RETURN_FALSE;
|
|---|
| 297 |
|
|---|
| 298 | e = p + len;
|
|---|
| 299 | for (; p < e; p++) {
|
|---|
| 300 | if (!ISALNUM(*p))
|
|---|
| 301 | Py_RETURN_FALSE;
|
|---|
| 302 | }
|
|---|
| 303 | Py_RETURN_TRUE;
|
|---|
| 304 | }
|
|---|
| 305 |
|
|---|
| 306 |
|
|---|
| 307 | PyDoc_STRVAR_shared(_Py_isdigit__doc__,
|
|---|
| 308 | "B.isdigit() -> bool\n\
|
|---|
| 309 | \n\
|
|---|
| 310 | Return True if all characters in B are digits\n\
|
|---|
| 311 | and there is at least one character in B, False otherwise.");
|
|---|
| 312 |
|
|---|
| 313 | PyObject*
|
|---|
| 314 | _Py_bytes_isdigit(const char *cptr, Py_ssize_t len)
|
|---|
| 315 | {
|
|---|
| 316 | register const unsigned char *p
|
|---|
| 317 | = (unsigned char *) cptr;
|
|---|
| 318 | register const unsigned char *e;
|
|---|
| 319 |
|
|---|
| 320 | /* Shortcut for single character strings */
|
|---|
| 321 | if (len == 1 && ISDIGIT(*p))
|
|---|
| 322 | Py_RETURN_TRUE;
|
|---|
| 323 |
|
|---|
| 324 | /* Special case for empty strings */
|
|---|
| 325 | if (len == 0)
|
|---|
| 326 | Py_RETURN_FALSE;
|
|---|
| 327 |
|
|---|
| 328 | e = p + len;
|
|---|
| 329 | for (; p < e; p++) {
|
|---|
| 330 | if (!ISDIGIT(*p))
|
|---|
| 331 | Py_RETURN_FALSE;
|
|---|
| 332 | }
|
|---|
| 333 | Py_RETURN_TRUE;
|
|---|
| 334 | }
|
|---|
| 335 |
|
|---|
| 336 |
|
|---|
| 337 | PyDoc_STRVAR_shared(_Py_islower__doc__,
|
|---|
| 338 | "B.islower() -> bool\n\
|
|---|
| 339 | \n\
|
|---|
| 340 | Return True if all cased characters in B are lowercase and there is\n\
|
|---|
| 341 | at least one cased character in B, False otherwise.");
|
|---|
| 342 |
|
|---|
| 343 | PyObject*
|
|---|
| 344 | _Py_bytes_islower(const char *cptr, Py_ssize_t len)
|
|---|
| 345 | {
|
|---|
| 346 | register const unsigned char *p
|
|---|
| 347 | = (unsigned char *) cptr;
|
|---|
| 348 | register const unsigned char *e;
|
|---|
| 349 | int cased;
|
|---|
| 350 |
|
|---|
| 351 | /* Shortcut for single character strings */
|
|---|
| 352 | if (len == 1)
|
|---|
| 353 | return PyBool_FromLong(ISLOWER(*p));
|
|---|
| 354 |
|
|---|
| 355 | /* Special case for empty strings */
|
|---|
| 356 | if (len == 0)
|
|---|
| 357 | Py_RETURN_FALSE;
|
|---|
| 358 |
|
|---|
| 359 | e = p + len;
|
|---|
| 360 | cased = 0;
|
|---|
| 361 | for (; p < e; p++) {
|
|---|
| 362 | if (ISUPPER(*p))
|
|---|
| 363 | Py_RETURN_FALSE;
|
|---|
| 364 | else if (!cased && ISLOWER(*p))
|
|---|
| 365 | cased = 1;
|
|---|
| 366 | }
|
|---|
| 367 | return PyBool_FromLong(cased);
|
|---|
| 368 | }
|
|---|
| 369 |
|
|---|
| 370 |
|
|---|
| 371 | PyDoc_STRVAR_shared(_Py_isupper__doc__,
|
|---|
| 372 | "B.isupper() -> bool\n\
|
|---|
| 373 | \n\
|
|---|
| 374 | Return True if all cased characters in B are uppercase and there is\n\
|
|---|
| 375 | at least one cased character in B, False otherwise.");
|
|---|
| 376 |
|
|---|
| 377 | PyObject*
|
|---|
| 378 | _Py_bytes_isupper(const char *cptr, Py_ssize_t len)
|
|---|
| 379 | {
|
|---|
| 380 | register const unsigned char *p
|
|---|
| 381 | = (unsigned char *) cptr;
|
|---|
| 382 | register const unsigned char *e;
|
|---|
| 383 | int cased;
|
|---|
| 384 |
|
|---|
| 385 | /* Shortcut for single character strings */
|
|---|
| 386 | if (len == 1)
|
|---|
| 387 | return PyBool_FromLong(ISUPPER(*p));
|
|---|
| 388 |
|
|---|
| 389 | /* Special case for empty strings */
|
|---|
| 390 | if (len == 0)
|
|---|
| 391 | Py_RETURN_FALSE;
|
|---|
| 392 |
|
|---|
| 393 | e = p + len;
|
|---|
| 394 | cased = 0;
|
|---|
| 395 | for (; p < e; p++) {
|
|---|
| 396 | if (ISLOWER(*p))
|
|---|
| 397 | Py_RETURN_FALSE;
|
|---|
| 398 | else if (!cased && ISUPPER(*p))
|
|---|
| 399 | cased = 1;
|
|---|
| 400 | }
|
|---|
| 401 | return PyBool_FromLong(cased);
|
|---|
| 402 | }
|
|---|
| 403 |
|
|---|
| 404 |
|
|---|
| 405 | PyDoc_STRVAR_shared(_Py_istitle__doc__,
|
|---|
| 406 | "B.istitle() -> bool\n\
|
|---|
| 407 | \n\
|
|---|
| 408 | Return True if B is a titlecased string and there is at least one\n\
|
|---|
| 409 | character in B, i.e. uppercase characters may only follow uncased\n\
|
|---|
| 410 | characters and lowercase characters only cased ones. Return False\n\
|
|---|
| 411 | otherwise.");
|
|---|
| 412 |
|
|---|
| 413 | PyObject*
|
|---|
| 414 | _Py_bytes_istitle(const char *cptr, Py_ssize_t len)
|
|---|
| 415 | {
|
|---|
| 416 | register const unsigned char *p
|
|---|
| 417 | = (unsigned char *) cptr;
|
|---|
| 418 | register const unsigned char *e;
|
|---|
| 419 | int cased, previous_is_cased;
|
|---|
| 420 |
|
|---|
| 421 | /* Shortcut for single character strings */
|
|---|
| 422 | if (len == 1)
|
|---|
| 423 | return PyBool_FromLong(ISUPPER(*p));
|
|---|
| 424 |
|
|---|
| 425 | /* Special case for empty strings */
|
|---|
| 426 | if (len == 0)
|
|---|
| 427 | Py_RETURN_FALSE;
|
|---|
| 428 |
|
|---|
| 429 | e = p + len;
|
|---|
| 430 | cased = 0;
|
|---|
| 431 | previous_is_cased = 0;
|
|---|
| 432 | for (; p < e; p++) {
|
|---|
| 433 | register const unsigned char ch = *p;
|
|---|
| 434 |
|
|---|
| 435 | if (ISUPPER(ch)) {
|
|---|
| 436 | if (previous_is_cased)
|
|---|
| 437 | Py_RETURN_FALSE;
|
|---|
| 438 | previous_is_cased = 1;
|
|---|
| 439 | cased = 1;
|
|---|
| 440 | }
|
|---|
| 441 | else if (ISLOWER(ch)) {
|
|---|
| 442 | if (!previous_is_cased)
|
|---|
| 443 | Py_RETURN_FALSE;
|
|---|
| 444 | previous_is_cased = 1;
|
|---|
| 445 | cased = 1;
|
|---|
| 446 | }
|
|---|
| 447 | else
|
|---|
| 448 | previous_is_cased = 0;
|
|---|
| 449 | }
|
|---|
| 450 | return PyBool_FromLong(cased);
|
|---|
| 451 | }
|
|---|
| 452 |
|
|---|
| 453 |
|
|---|
| 454 | PyDoc_STRVAR_shared(_Py_lower__doc__,
|
|---|
| 455 | "B.lower() -> copy of B\n\
|
|---|
| 456 | \n\
|
|---|
| 457 | Return a copy of B with all ASCII characters converted to lowercase.");
|
|---|
| 458 |
|
|---|
| 459 | void
|
|---|
| 460 | _Py_bytes_lower(char *result, const char *cptr, Py_ssize_t len)
|
|---|
| 461 | {
|
|---|
| 462 | Py_ssize_t i;
|
|---|
| 463 |
|
|---|
| 464 | /*
|
|---|
| 465 | newobj = PyString_FromStringAndSize(NULL, len);
|
|---|
| 466 | if (!newobj)
|
|---|
| 467 | return NULL;
|
|---|
| 468 |
|
|---|
| 469 | s = PyString_AS_STRING(newobj);
|
|---|
| 470 | */
|
|---|
| 471 |
|
|---|
| 472 | Py_MEMCPY(result, cptr, len);
|
|---|
| 473 |
|
|---|
| 474 | for (i = 0; i < len; i++) {
|
|---|
| 475 | int c = Py_CHARMASK(result[i]);
|
|---|
| 476 | if (ISUPPER(c))
|
|---|
| 477 | result[i] = TOLOWER(c);
|
|---|
| 478 | }
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 |
|
|---|
| 482 | PyDoc_STRVAR_shared(_Py_upper__doc__,
|
|---|
| 483 | "B.upper() -> copy of B\n\
|
|---|
| 484 | \n\
|
|---|
| 485 | Return a copy of B with all ASCII characters converted to uppercase.");
|
|---|
| 486 |
|
|---|
| 487 | void
|
|---|
| 488 | _Py_bytes_upper(char *result, const char *cptr, Py_ssize_t len)
|
|---|
| 489 | {
|
|---|
| 490 | Py_ssize_t i;
|
|---|
| 491 |
|
|---|
| 492 | /*
|
|---|
| 493 | newobj = PyString_FromStringAndSize(NULL, len);
|
|---|
| 494 | if (!newobj)
|
|---|
| 495 | return NULL;
|
|---|
| 496 |
|
|---|
| 497 | s = PyString_AS_STRING(newobj);
|
|---|
| 498 | */
|
|---|
| 499 |
|
|---|
| 500 | Py_MEMCPY(result, cptr, len);
|
|---|
| 501 |
|
|---|
| 502 | for (i = 0; i < len; i++) {
|
|---|
| 503 | int c = Py_CHARMASK(result[i]);
|
|---|
| 504 | if (ISLOWER(c))
|
|---|
| 505 | result[i] = TOUPPER(c);
|
|---|
| 506 | }
|
|---|
| 507 | }
|
|---|
| 508 |
|
|---|
| 509 |
|
|---|
| 510 | PyDoc_STRVAR_shared(_Py_title__doc__,
|
|---|
| 511 | "B.title() -> copy of B\n\
|
|---|
| 512 | \n\
|
|---|
| 513 | Return a titlecased version of B, i.e. ASCII words start with uppercase\n\
|
|---|
| 514 | characters, all remaining cased characters have lowercase.");
|
|---|
| 515 |
|
|---|
| 516 | void
|
|---|
| 517 | _Py_bytes_title(char *result, char *s, Py_ssize_t len)
|
|---|
| 518 | {
|
|---|
| 519 | Py_ssize_t i;
|
|---|
| 520 | int previous_is_cased = 0;
|
|---|
| 521 |
|
|---|
| 522 | /*
|
|---|
| 523 | newobj = PyString_FromStringAndSize(NULL, len);
|
|---|
| 524 | if (newobj == NULL)
|
|---|
| 525 | return NULL;
|
|---|
| 526 | s_new = PyString_AsString(newobj);
|
|---|
| 527 | */
|
|---|
| 528 | for (i = 0; i < len; i++) {
|
|---|
| 529 | int c = Py_CHARMASK(*s++);
|
|---|
| 530 | if (ISLOWER(c)) {
|
|---|
| 531 | if (!previous_is_cased)
|
|---|
| 532 | c = TOUPPER(c);
|
|---|
| 533 | previous_is_cased = 1;
|
|---|
| 534 | } else if (ISUPPER(c)) {
|
|---|
| 535 | if (previous_is_cased)
|
|---|
| 536 | c = TOLOWER(c);
|
|---|
| 537 | previous_is_cased = 1;
|
|---|
| 538 | } else
|
|---|
| 539 | previous_is_cased = 0;
|
|---|
| 540 | *result++ = c;
|
|---|
| 541 | }
|
|---|
| 542 | }
|
|---|
| 543 |
|
|---|
| 544 |
|
|---|
| 545 | PyDoc_STRVAR_shared(_Py_capitalize__doc__,
|
|---|
| 546 | "B.capitalize() -> copy of B\n\
|
|---|
| 547 | \n\
|
|---|
| 548 | Return a copy of B with only its first character capitalized (ASCII).");
|
|---|
| 549 |
|
|---|
| 550 | void
|
|---|
| 551 | _Py_bytes_capitalize(char *result, char *s, Py_ssize_t len)
|
|---|
| 552 | {
|
|---|
| 553 | Py_ssize_t i;
|
|---|
| 554 |
|
|---|
| 555 | /*
|
|---|
| 556 | newobj = PyString_FromStringAndSize(NULL, len);
|
|---|
| 557 | if (newobj == NULL)
|
|---|
| 558 | return NULL;
|
|---|
| 559 | s_new = PyString_AsString(newobj);
|
|---|
| 560 | */
|
|---|
| 561 | if (0 < len) {
|
|---|
| 562 | int c = Py_CHARMASK(*s++);
|
|---|
| 563 | if (ISLOWER(c))
|
|---|
| 564 | *result = TOUPPER(c);
|
|---|
| 565 | else
|
|---|
| 566 | *result = c;
|
|---|
| 567 | result++;
|
|---|
| 568 | }
|
|---|
| 569 | for (i = 1; i < len; i++) {
|
|---|
| 570 | int c = Py_CHARMASK(*s++);
|
|---|
| 571 | if (ISUPPER(c))
|
|---|
| 572 | *result = TOLOWER(c);
|
|---|
| 573 | else
|
|---|
| 574 | *result = c;
|
|---|
| 575 | result++;
|
|---|
| 576 | }
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 |
|
|---|
| 580 | PyDoc_STRVAR_shared(_Py_swapcase__doc__,
|
|---|
| 581 | "B.swapcase() -> copy of B\n\
|
|---|
| 582 | \n\
|
|---|
| 583 | Return a copy of B with uppercase ASCII characters converted\n\
|
|---|
| 584 | to lowercase ASCII and vice versa.");
|
|---|
| 585 |
|
|---|
| 586 | void
|
|---|
| 587 | _Py_bytes_swapcase(char *result, char *s, Py_ssize_t len)
|
|---|
| 588 | {
|
|---|
| 589 | Py_ssize_t i;
|
|---|
| 590 |
|
|---|
| 591 | /*
|
|---|
| 592 | newobj = PyString_FromStringAndSize(NULL, len);
|
|---|
| 593 | if (newobj == NULL)
|
|---|
| 594 | return NULL;
|
|---|
| 595 | s_new = PyString_AsString(newobj);
|
|---|
| 596 | */
|
|---|
| 597 | for (i = 0; i < len; i++) {
|
|---|
| 598 | int c = Py_CHARMASK(*s++);
|
|---|
| 599 | if (ISLOWER(c)) {
|
|---|
| 600 | *result = TOUPPER(c);
|
|---|
| 601 | }
|
|---|
| 602 | else if (ISUPPER(c)) {
|
|---|
| 603 | *result = TOLOWER(c);
|
|---|
| 604 | }
|
|---|
| 605 | else
|
|---|
| 606 | *result = c;
|
|---|
| 607 | result++;
|
|---|
| 608 | }
|
|---|
| 609 | }
|
|---|
| 610 |
|
|---|
