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Enhanced Name slugification
I had some issues with accented characters in Book name. Here is a stronger slugification routine. Perhaps should be more callable generic service ?
This commit is contained in:
Eric Cappannelli
GitHub
parent
a74a8ee483
commit
4cc0460d78
@ -675,19 +675,249 @@ class EntityRepo
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$this->permissionService->buildJointPermissionsForEntities($collection);
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}
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/**
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/**
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* Format a name as a url slug.
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* @param $name
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* @return string
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*/
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protected function nameToSlug($name)
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{
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$name = $this->remove_accents($name);
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$slug = str_replace(' ', '-', strtolower($name));
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$slug = preg_replace('/[\+\/\\\?\@\}\{\.\,\=\[\]\#\&\!\*\'\;\:\$\%]/', '', $slug);
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if ($slug === "") $slug = substr(md5(rand(1, 500)), 0, 5);
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return $slug;
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}
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/**
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* Checks to see if a string is utf8 encoded.
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*
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* NOTE: This function checks for 5-Byte sequences, UTF8
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* has Bytes Sequences with a maximum length of 4.
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*
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* @author bmorel at ssi dot fr (modified)
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*
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* @param string $str The string to be checked
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* @return bool True if $str fits a UTF-8 model, false otherwise.
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*/
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protected function seems_utf8($str)
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{
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$length = strlen($str);
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for ($i = 0; $i < $length; $i++) {
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$c = ord($str[$i]);
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if ($c < 0x80)
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$n = 0; # 0bbbbbbb
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elseif (($c & 0xE0) == 0xC0)
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$n = 1; # 110bbbbb
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elseif (($c & 0xF0) == 0xE0)
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$n = 2; # 1110bbbb
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elseif (($c & 0xF8) == 0xF0)
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$n = 3; # 11110bbb
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elseif (($c & 0xFC) == 0xF8)
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$n = 4; # 111110bb
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elseif (($c & 0xFE) == 0xFC)
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$n = 5; # 1111110b
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else
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return false;
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# Does not match any model
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for ($j = 0; $j < $n; $j++) { # n bytes matching 10bbbbbb follow ?
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if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
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return false;
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}
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}
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return true;
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}
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/**
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* Converts all accent characters to ASCII characters.
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*
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* If there are no accent characters, then the string given is just returned.
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*
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* @param string $string Text that might have accent characters
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* @return string Filtered string with replaced "nice" characters.
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*/
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protected function remove_accents($string)
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{
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if (!preg_match('/[\x80-\xff]/', $string))
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return $string;
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if (self::seems_utf8($string)) {
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$chars = array(
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// Decompositions for Latin-1 Supplement
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chr(195) . chr(128) => 'A', chr(195) . chr(129) => 'A',
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chr(195) . chr(130) => 'A', chr(195) . chr(131) => 'A',
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chr(195) . chr(132) => 'A', chr(195) . chr(133) => 'A',
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chr(195) . chr(135) => 'C', chr(195) . chr(136) => 'E',
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chr(195) . chr(137) => 'E', chr(195) . chr(138) => 'E',
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chr(195) . chr(139) => 'E', chr(195) . chr(140) => 'I',
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chr(195) . chr(141) => 'I', chr(195) . chr(142) => 'I',
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chr(195) . chr(143) => 'I', chr(195) . chr(145) => 'N',
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chr(195) . chr(146) => 'O', chr(195) . chr(147) => 'O',
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chr(195) . chr(148) => 'O', chr(195) . chr(149) => 'O',
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chr(195) . chr(150) => 'O', chr(195) . chr(153) => 'U',
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chr(195) . chr(154) => 'U', chr(195) . chr(155) => 'U',
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chr(195) . chr(156) => 'U', chr(195) . chr(157) => 'Y',
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chr(195) . chr(159) => 's', chr(195) . chr(160) => 'a',
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chr(195) . chr(161) => 'a', chr(195) . chr(162) => 'a',
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chr(195) . chr(163) => 'a', chr(195) . chr(164) => 'a',
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chr(195) . chr(165) => 'a', chr(195) . chr(167) => 'c',
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chr(195) . chr(168) => 'e', chr(195) . chr(169) => 'e',
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chr(195) . chr(170) => 'e', chr(195) . chr(171) => 'e',
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chr(195) . chr(172) => 'i', chr(195) . chr(173) => 'i',
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chr(195) . chr(174) => 'i', chr(195) . chr(175) => 'i',
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chr(195) . chr(177) => 'n', chr(195) . chr(178) => 'o',
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chr(195) . chr(179) => 'o', chr(195) . chr(180) => 'o',
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chr(195) . chr(181) => 'o', chr(195) . chr(182) => 'o',
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chr(195) . chr(182) => 'o', chr(195) . chr(185) => 'u',
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chr(195) . chr(186) => 'u', chr(195) . chr(187) => 'u',
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chr(195) . chr(188) => 'u', chr(195) . chr(189) => 'y',
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chr(195) . chr(191) => 'y',
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// Decompositions for Latin Extended-A
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chr(196) . chr(128) => 'A', chr(196) . chr(129) => 'a',
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chr(196) . chr(130) => 'A', chr(196) . chr(131) => 'a',
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chr(196) . chr(132) => 'A', chr(196) . chr(133) => 'a',
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chr(196) . chr(134) => 'C', chr(196) . chr(135) => 'c',
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chr(196) . chr(136) => 'C', chr(196) . chr(137) => 'c',
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chr(196) . chr(138) => 'C', chr(196) . chr(139) => 'c',
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chr(196) . chr(140) => 'C', chr(196) . chr(141) => 'c',
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chr(196) . chr(142) => 'D', chr(196) . chr(143) => 'd',
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chr(196) . chr(144) => 'D', chr(196) . chr(145) => 'd',
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chr(196) . chr(146) => 'E', chr(196) . chr(147) => 'e',
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chr(196) . chr(148) => 'E', chr(196) . chr(149) => 'e',
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chr(196) . chr(150) => 'E', chr(196) . chr(151) => 'e',
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chr(196) . chr(152) => 'E', chr(196) . chr(153) => 'e',
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chr(196) . chr(154) => 'E', chr(196) . chr(155) => 'e',
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chr(196) . chr(156) => 'G', chr(196) . chr(157) => 'g',
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chr(196) . chr(158) => 'G', chr(196) . chr(159) => 'g',
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chr(196) . chr(160) => 'G', chr(196) . chr(161) => 'g',
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chr(196) . chr(162) => 'G', chr(196) . chr(163) => 'g',
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chr(196) . chr(164) => 'H', chr(196) . chr(165) => 'h',
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chr(196) . chr(166) => 'H', chr(196) . chr(167) => 'h',
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chr(196) . chr(168) => 'I', chr(196) . chr(169) => 'i',
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chr(196) . chr(170) => 'I', chr(196) . chr(171) => 'i',
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chr(196) . chr(172) => 'I', chr(196) . chr(173) => 'i',
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chr(196) . chr(174) => 'I', chr(196) . chr(175) => 'i',
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chr(196) . chr(176) => 'I', chr(196) . chr(177) => 'i',
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chr(196) . chr(178) => 'IJ', chr(196) . chr(179) => 'ij',
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chr(196) . chr(180) => 'J', chr(196) . chr(181) => 'j',
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chr(196) . chr(182) => 'K', chr(196) . chr(183) => 'k',
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chr(196) . chr(184) => 'k', chr(196) . chr(185) => 'L',
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chr(196) . chr(186) => 'l', chr(196) . chr(187) => 'L',
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chr(196) . chr(188) => 'l', chr(196) . chr(189) => 'L',
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chr(196) . chr(190) => 'l', chr(196) . chr(191) => 'L',
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chr(197) . chr(128) => 'l', chr(197) . chr(129) => 'L',
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chr(197) . chr(130) => 'l', chr(197) . chr(131) => 'N',
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chr(197) . chr(132) => 'n', chr(197) . chr(133) => 'N',
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chr(197) . chr(134) => 'n', chr(197) . chr(135) => 'N',
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chr(197) . chr(136) => 'n', chr(197) . chr(137) => 'N',
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chr(197) . chr(138) => 'n', chr(197) . chr(139) => 'N',
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chr(197) . chr(140) => 'O', chr(197) . chr(141) => 'o',
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chr(197) . chr(142) => 'O', chr(197) . chr(143) => 'o',
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chr(197) . chr(144) => 'O', chr(197) . chr(145) => 'o',
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chr(197) . chr(146) => 'OE', chr(197) . chr(147) => 'oe',
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chr(197) . chr(148) => 'R', chr(197) . chr(149) => 'r',
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chr(197) . chr(150) => 'R', chr(197) . chr(151) => 'r',
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chr(197) . chr(152) => 'R', chr(197) . chr(153) => 'r',
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chr(197) . chr(154) => 'S', chr(197) . chr(155) => 's',
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chr(197) . chr(156) => 'S', chr(197) . chr(157) => 's',
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chr(197) . chr(158) => 'S', chr(197) . chr(159) => 's',
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chr(197) . chr(160) => 'S', chr(197) . chr(161) => 's',
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chr(197) . chr(162) => 'T', chr(197) . chr(163) => 't',
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chr(197) . chr(164) => 'T', chr(197) . chr(165) => 't',
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chr(197) . chr(166) => 'T', chr(197) . chr(167) => 't',
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chr(197) . chr(168) => 'U', chr(197) . chr(169) => 'u',
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chr(197) . chr(170) => 'U', chr(197) . chr(171) => 'u',
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chr(197) . chr(172) => 'U', chr(197) . chr(173) => 'u',
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chr(197) . chr(174) => 'U', chr(197) . chr(175) => 'u',
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chr(197) . chr(176) => 'U', chr(197) . chr(177) => 'u',
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chr(197) . chr(178) => 'U', chr(197) . chr(179) => 'u',
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chr(197) . chr(180) => 'W', chr(197) . chr(181) => 'w',
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chr(197) . chr(182) => 'Y', chr(197) . chr(183) => 'y',
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chr(197) . chr(184) => 'Y', chr(197) . chr(185) => 'Z',
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chr(197) . chr(186) => 'z', chr(197) . chr(187) => 'Z',
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chr(197) . chr(188) => 'z', chr(197) . chr(189) => 'Z',
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chr(197) . chr(190) => 'z', chr(197) . chr(191) => 's',
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// Euro Sign
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chr(226) . chr(130) . chr(172) => 'E',
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// GBP (Pound) Sign
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chr(194) . chr(163) => '');
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$string = strtr($string, $chars);
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} else {
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// Assume ISO-8859-1 if not UTF-8
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$chars['in'] = chr(128) . chr(131) . chr(138) . chr(142) . chr(154) . chr(158)
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. chr(159) . chr(162) . chr(165) . chr(181) . chr(192) . chr(193) . chr(194)
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. chr(195) . chr(196) . chr(197) . chr(199) . chr(200) . chr(201) . chr(202)
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. chr(203) . chr(204) . chr(205) . chr(206) . chr(207) . chr(209) . chr(210)
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. chr(211) . chr(212) . chr(213) . chr(214) . chr(216) . chr(217) . chr(218)
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. chr(219) . chr(220) . chr(221) . chr(224) . chr(225) . chr(226) . chr(227)
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. chr(228) . chr(229) . chr(231) . chr(232) . chr(233) . chr(234) . chr(235)
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. chr(236) . chr(237) . chr(238) . chr(239) . chr(241) . chr(242) . chr(243)
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. chr(244) . chr(245) . chr(246) . chr(248) . chr(249) . chr(250) . chr(251)
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. chr(252) . chr(253) . chr(255);
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$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
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$string = strtr($string, $chars['in'], $chars['out']);
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$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
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$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
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$string = str_replace($double_chars['in'], $double_chars['out'], $string);
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}
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return $string;
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}
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/**
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* Encode the Unicode values to be used in the URI.
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*
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* @param string $utf8_string
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* @param int $length Max length of the string
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* @return string String with Unicode encoded for URI.
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*/
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protected function utf8_uri_encode($utf8_string, $length = 0)
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{
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$unicode = '';
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$values = array();
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$num_octets = 1;
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$unicode_length = 0;
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$string_length = strlen($utf8_string);
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for ($i = 0; $i < $string_length; $i++) {
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$value = ord($utf8_string[$i]);
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if ($value < 128) {
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if ($length && ($unicode_length >= $length))
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break;
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$unicode .= chr($value);
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$unicode_length++;
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} else {
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if (count($values) == 0)
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$num_octets = ($value < 224) ? 2 : 3;
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$values[] = $value;
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if ($length && ($unicode_length + ($num_octets * 3)) > $length)
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break;
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if (count($values) == $num_octets) {
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if ($num_octets == 3) {
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$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
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$unicode_length += 9;
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} else {
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$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
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$unicode_length += 6;
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}
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$values = array();
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$num_octets = 1;
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}
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}
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}
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return $unicode;
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}
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/**
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* Publish a draft page to make it a normal page.
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* Sets the slug and updates the content.
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