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2019-10-09 14:43:26 +09:00
parent f667eb1500
commit 107263d061
4 changed files with 17 additions and 19 deletions
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src/sammo/StringUtil.php
+14 -13
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@@ -183,19 +183,20 @@ class StringUtil
}
public static function uniord(string $c) {
if (ord($c{0}) >=0 && ord($c{0}) <= 127)
return ord($c{0});
if (ord($c{0}) >= 192 && ord($c{0}) <= 223)
return (ord($c{0})-192)*64 + (ord($c{1})-128);
if (ord($c{0}) >= 224 && ord($c{0}) <= 239)
return (ord($c{0})-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128);
if (ord($c{0}) >= 240 && ord($c{0}) <= 247)
return (ord($c{0})-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128);
if (ord($c{0}) >= 248 && ord($c{0}) <= 251)
return (ord($c{0})-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 + (ord($c{3})-128)*64 + (ord($c{4})-128);
if (ord($c{0}) >= 252 && ord($c{0}) <= 253)
return (ord($c{0})-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 + (ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128);
if (ord($c{0}) >= 254 && ord($c{0}) <= 255) // error
$c0 = ord($c{0});
if ($c0 >=0 && $c0 <= 127)
return $c0;
if ($c0 >= 192 && $c0 <= 223)
return ($c0-192)*64 + (ord($c{1})-128);
if ($c0 >= 224 && $c0 <= 239)
return ($c0-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128);
if ($c0 >= 240 && $c0 <= 247)
return ($c0-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128);
if ($c0 >= 248 && $c0 <= 251)
return ($c0-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 + (ord($c{3})-128)*64 + (ord($c{4})-128);
if ($c0 >= 252 && $c0 <= 253)
return ($c0-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 + (ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128);
if ($c0 >= 254 && $c0 <= 255) // error
return FALSE;
return 0;
}