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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; |
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293 |
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294 /* Special case for empty strings */ |
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295 if (len == 0) |
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296 Py_RETURN_FALSE; |
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297 |
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298 e = p + len; |
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299 for (; p < e; p++) { |
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300 if (!ISALNUM(*p)) |
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301 Py_RETURN_FALSE; |
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302 } |
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303 Py_RETURN_TRUE; |
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304 } |
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305 |
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306 |
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307 PyDoc_STRVAR_shared(_Py_isdigit__doc__, |
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308 "B.isdigit() -> bool\n\ |
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309 \n\ |
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310 Return True if all characters in B are digits\n\ |
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311 and there is at least one character in B, False otherwise."); |
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312 |
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313 PyObject* |
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314 _Py_bytes_isdigit(const char *cptr, Py_ssize_t len) |
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315 { |
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316 register const unsigned char *p |
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317 = (unsigned char *) cptr; |
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318 register const unsigned char *e; |
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319 |
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320 /* Shortcut for single character strings */ |
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321 if (len == 1 && ISDIGIT(*p)) |
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322 Py_RETURN_TRUE; |
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323 |
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324 /* Special case for empty strings */ |
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325 if (len == 0) |
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326 Py_RETURN_FALSE; |
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327 |
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328 e = p + len; |
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329 for (; p < e; p++) { |
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330 if (!ISDIGIT(*p)) |
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331 Py_RETURN_FALSE; |
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332 } |
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333 Py_RETURN_TRUE; |
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334 } |
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335 |
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336 |
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337 PyDoc_STRVAR_shared(_Py_islower__doc__, |
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338 "B.islower() -> bool\n\ |
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339 \n\ |
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340 Return True if all cased characters in B are lowercase and there is\n\ |
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341 at least one cased character in B, False otherwise."); |
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342 |
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343 PyObject* |
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344 _Py_bytes_islower(const char *cptr, Py_ssize_t len) |
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345 { |
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346 register const unsigned char *p |
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347 = (unsigned char *) cptr; |
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348 register const unsigned char *e; |
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349 int cased; |
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350 |
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351 /* Shortcut for single character strings */ |
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352 if (len == 1) |
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353 return PyBool_FromLong(ISLOWER(*p)); |
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354 |
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355 /* Special case for empty strings */ |
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356 if (len == 0) |
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357 Py_RETURN_FALSE; |
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358 |
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359 e = p + len; |
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360 cased = 0; |
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361 for (; p < e; p++) { |
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362 if (ISUPPER(*p)) |
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363 Py_RETURN_FALSE; |
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364 else if (!cased && ISLOWER(*p)) |
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365 cased = 1; |
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366 } |
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367 return PyBool_FromLong(cased); |
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368 } |
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369 |
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370 |
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371 PyDoc_STRVAR_shared(_Py_isupper__doc__, |
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372 "B.isupper() -> bool\n\ |
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373 \n\ |
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374 Return True if all cased characters in B are uppercase and there is\n\ |
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375 at least one cased character in B, False otherwise."); |
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376 |
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377 PyObject* |
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378 _Py_bytes_isupper(const char *cptr, Py_ssize_t len) |
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379 { |
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380 register const unsigned char *p |
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381 = (unsigned char *) cptr; |
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382 register const unsigned char *e; |
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383 int cased; |
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384 |
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385 /* Shortcut for single character strings */ |
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386 if (len == 1) |
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387 return PyBool_FromLong(ISUPPER(*p)); |
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388 |
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389 /* Special case for empty strings */ |
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390 if (len == 0) |
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391 Py_RETURN_FALSE; |
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392 |
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393 e = p + len; |
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394 cased = 0; |
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395 for (; p < e; p++) { |
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396 if (ISLOWER(*p)) |
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397 Py_RETURN_FALSE; |
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398 else if (!cased && ISUPPER(*p)) |
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399 cased = 1; |
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400 } |
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401 return PyBool_FromLong(cased); |
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402 } |
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403 |
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404 |
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405 PyDoc_STRVAR_shared(_Py_istitle__doc__, |
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406 "B.istitle() -> bool\n\ |
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407 \n\ |
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408 Return True if B is a titlecased string and there is at least one\n\ |
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409 character in B, i.e. uppercase characters may only follow uncased\n\ |
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410 characters and lowercase characters only cased ones. Return False\n\ |
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411 otherwise."); |
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412 |
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413 PyObject* |
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414 _Py_bytes_istitle(const char *cptr, Py_ssize_t len) |
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415 { |
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416 register const unsigned char *p |
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417 = (unsigned char *) cptr; |
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418 register const unsigned char *e; |
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419 int cased, previous_is_cased; |
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420 |
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421 /* Shortcut for single character strings */ |
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422 if (len == 1) |
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423 return PyBool_FromLong(ISUPPER(*p)); |
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424 |
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425 /* Special case for empty strings */ |
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426 if (len == 0) |
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427 Py_RETURN_FALSE; |
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428 |
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429 e = p + len; |
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430 cased = 0; |
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431 previous_is_cased = 0; |
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432 for (; p < e; p++) { |
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433 register const unsigned char ch = *p; |
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434 |
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435 if (ISUPPER(ch)) { |
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436 if (previous_is_cased) |
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437 Py_RETURN_FALSE; |
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438 previous_is_cased = 1; |
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439 cased = 1; |
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440 } |
|
441 else if (ISLOWER(ch)) { |
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442 if (!previous_is_cased) |
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443 Py_RETURN_FALSE; |
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444 previous_is_cased = 1; |
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445 cased = 1; |
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446 } |
|
447 else |
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448 previous_is_cased = 0; |
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449 } |
|
450 return PyBool_FromLong(cased); |
|
451 } |
|
452 |
|
453 |
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454 PyDoc_STRVAR_shared(_Py_lower__doc__, |
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455 "B.lower() -> copy of B\n\ |
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456 \n\ |
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457 Return a copy of B with all ASCII characters converted to lowercase."); |
|
458 |
|
459 void |
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460 _Py_bytes_lower(char *result, const char *cptr, Py_ssize_t len) |
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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 |