pictcode / lib / Cake / I18n / Multibyte.php @ 0b1b8047
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * Multibyte handling methods.
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| 4 | *
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| 5 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 6 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 7 | *
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| 8 | * Licensed under The MIT License
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| 9 | * For full copyright and license information, please see the LICENSE.txt
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| 10 | * Redistributions of files must retain the above copyright notice.
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| 11 | *
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| 12 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 13 | * @link http://cakephp.org CakePHP(tm) Project
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| 14 | * @package Cake.I18n
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| 15 | * @since CakePHP(tm) v 1.2.0.6833
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| 16 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 17 | */
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| 18 | |||
| 19 | /**
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| 20 | * Multibyte handling methods.
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| 21 | *
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| 22 | * @package Cake.I18n
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| 23 | */
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| 24 | class Multibyte { |
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| 25 | |||
| 26 | /**
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| 27 | * Holds the case folding values
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| 28 | *
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| 29 | * @var array
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| 30 | */
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| 31 | protected static $_caseFold = array(); |
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| 32 | |||
| 33 | /**
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| 34 | * Holds an array of Unicode code point ranges
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| 35 | *
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| 36 | * @var array
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| 37 | */
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| 38 | protected static $_codeRange = array(); |
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| 39 | |||
| 40 | /**
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| 41 | * Holds the current code point range
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| 42 | *
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| 43 | * @var string
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| 44 | */
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| 45 | protected static $_table = null; |
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| 46 | |||
| 47 | /**
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| 48 | * Converts a multibyte character string
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| 49 | * to the decimal value of the character
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| 50 | *
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| 51 | * @param string $string String to convert.
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| 52 | * @return array
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| 53 | */
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| 54 | public static function utf8($string) { |
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| 55 | $map = array(); |
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| 56 | |||
| 57 | $values = array(); |
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| 58 | $find = 1; |
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| 59 | $length = strlen($string); |
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| 60 | |||
| 61 | for ($i = 0; $i < $length; $i++) { |
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| 62 | $value = ord($string[$i]); |
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| 63 | |||
| 64 | if ($value < 128) { |
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| 65 | $map[] = $value; |
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| 66 | } else {
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| 67 | if (empty($values)) { |
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| 68 | $find = ($value < 224) ? 2 : 3; |
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| 69 | } |
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| 70 | $values[] = $value; |
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| 71 | |||
| 72 | if (count($values) === $find) { |
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| 73 | if ($find == 3) { |
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| 74 | $map[] = (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64); |
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| 75 | } else {
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| 76 | $map[] = (($values[0] % 32) * 64) + ($values[1] % 64); |
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| 77 | } |
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| 78 | $values = array(); |
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| 79 | $find = 1; |
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| 80 | } |
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| 81 | } |
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| 82 | } |
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| 83 | return $map; |
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| 84 | } |
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| 85 | |||
| 86 | /**
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| 87 | * Converts the decimal value of a multibyte character string
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| 88 | * to a string
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| 89 | *
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| 90 | * @param array $array Values array.
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| 91 | * @return string
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| 92 | */
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| 93 | public static function ascii($array) { |
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| 94 | $ascii = ''; |
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| 95 | |||
| 96 | foreach ($array as $utf8) { |
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| 97 | if ($utf8 < 128) { |
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| 98 | $ascii .= chr($utf8); |
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| 99 | } elseif ($utf8 < 2048) { |
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| 100 | $ascii .= chr(192 + (($utf8 - ($utf8 % 64)) / 64)); |
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| 101 | $ascii .= chr(128 + ($utf8 % 64)); |
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| 102 | } else {
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| 103 | $ascii .= chr(224 + (($utf8 - ($utf8 % 4096)) / 4096)); |
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| 104 | $ascii .= chr(128 + ((($utf8 % 4096) - ($utf8 % 64)) / 64)); |
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| 105 | $ascii .= chr(128 + ($utf8 % 64)); |
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| 106 | } |
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| 107 | } |
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| 108 | return $ascii; |
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| 109 | } |
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| 110 | |||
| 111 | /**
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| 112 | * Find position of first occurrence of a case-insensitive string.
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| 113 | *
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| 114 | * @param string $haystack The string from which to get the position of the first occurrence of $needle.
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| 115 | * @param string $needle The string to find in $haystack.
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| 116 | * @param int $offset The position in $haystack to start searching.
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| 117 | * @return int|bool The numeric position of the first occurrence of $needle in the $haystack string,
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| 118 | * or false if $needle is not found.
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| 119 | */
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| 120 | public static function stripos($haystack, $needle, $offset = 0) { |
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| 121 | if (Multibyte::checkMultibyte($haystack)) { |
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| 122 | $haystack = Multibyte::strtoupper($haystack); |
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| 123 | $needle = Multibyte::strtoupper($needle); |
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| 124 | return Multibyte::strpos($haystack, $needle, $offset); |
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| 125 | } |
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| 126 | return stripos($haystack, $needle, $offset); |
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| 127 | } |
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| 128 | |||
| 129 | /**
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| 130 | * Finds first occurrence of a string within another, case insensitive.
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| 131 | *
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| 132 | * @param string $haystack The string from which to get the first occurrence of $needle.
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| 133 | * @param string $needle The string to find in $haystack.
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| 134 | * @param bool $part Determines which portion of $haystack this function returns.
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| 135 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
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| 136 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
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| 137 | * Default value is false.
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| 138 | * @return int|bool The portion of $haystack, or false if $needle is not found.
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| 139 | */
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| 140 | public static function stristr($haystack, $needle, $part = false) { |
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| 141 | $php = (PHP_VERSION < 5.3); |
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| 142 | |||
| 143 | if (($php && $part) || Multibyte::checkMultibyte($haystack)) { |
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| 144 | $check = Multibyte::strtoupper($haystack); |
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| 145 | $check = Multibyte::utf8($check); |
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| 146 | $found = false; |
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| 147 | |||
| 148 | $haystack = Multibyte::utf8($haystack); |
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| 149 | $haystackCount = count($haystack); |
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| 150 | |||
| 151 | $needle = Multibyte::strtoupper($needle); |
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| 152 | $needle = Multibyte::utf8($needle); |
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| 153 | $needleCount = count($needle); |
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| 154 | |||
| 155 | $parts = array(); |
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| 156 | $position = 0; |
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| 157 | |||
| 158 | while (($found === false) && ($position < $haystackCount)) { |
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| 159 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
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| 160 | for ($i = 1; $i < $needleCount; $i++) { |
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| 161 | if ($needle[$i] !== $check[$position + $i]) { |
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| 162 | break;
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| 163 | } |
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| 164 | } |
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| 165 | if ($i === $needleCount) { |
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| 166 | $found = true; |
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| 167 | } |
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| 168 | } |
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| 169 | if (!$found) { |
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| 170 | $parts[] = $haystack[$position]; |
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| 171 | unset($haystack[$position]); |
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| 172 | } |
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| 173 | $position++;
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| 174 | } |
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| 175 | |||
| 176 | if ($found && $part && !empty($parts)) { |
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| 177 | return Multibyte::ascii($parts); |
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| 178 | } elseif ($found && !empty($haystack)) { |
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| 179 | return Multibyte::ascii($haystack); |
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| 180 | } |
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| 181 | return false; |
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| 182 | } |
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| 183 | |||
| 184 | if (!$php) { |
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| 185 | return stristr($haystack, $needle, $part); |
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| 186 | } |
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| 187 | return stristr($haystack, $needle); |
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| 188 | } |
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| 189 | |||
| 190 | /**
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| 191 | * Get string length.
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| 192 | *
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| 193 | * @param string $string The string being checked for length.
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| 194 | * @return int The number of characters in string $string
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| 195 | */
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| 196 | public static function strlen($string) { |
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| 197 | if (Multibyte::checkMultibyte($string)) { |
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| 198 | $string = Multibyte::utf8($string); |
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| 199 | return count($string); |
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| 200 | } |
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| 201 | return strlen($string); |
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| 202 | } |
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| 203 | |||
| 204 | /**
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| 205 | * Find position of first occurrence of a string.
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| 206 | *
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| 207 | * @param string $haystack The string being checked.
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| 208 | * @param string $needle The position counted from the beginning of haystack.
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| 209 | * @param int $offset The search offset. If it is not specified, 0 is used.
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| 210 | * @return int|bool The numeric position of the first occurrence of $needle in the $haystack string.
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| 211 | * If $needle is not found, it returns false.
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| 212 | */
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| 213 | public static function strpos($haystack, $needle, $offset = 0) { |
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| 214 | if (Multibyte::checkMultibyte($haystack)) { |
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| 215 | $found = false; |
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| 216 | |||
| 217 | $haystack = Multibyte::utf8($haystack); |
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| 218 | $haystackCount = count($haystack); |
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| 219 | |||
| 220 | $needle = Multibyte::utf8($needle); |
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| 221 | $needleCount = count($needle); |
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| 222 | |||
| 223 | $position = $offset; |
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| 224 | |||
| 225 | while (($found === false) && ($position < $haystackCount)) { |
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| 226 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
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| 227 | for ($i = 1; $i < $needleCount; $i++) { |
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| 228 | if ($needle[$i] !== $haystack[$position + $i]) { |
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| 229 | break;
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| 230 | } |
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| 231 | } |
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| 232 | if ($i === $needleCount) { |
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| 233 | $found = true; |
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| 234 | $position--;
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| 235 | } |
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| 236 | } |
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| 237 | $position++;
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| 238 | } |
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| 239 | if ($found) { |
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| 240 | return $position; |
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| 241 | } |
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| 242 | return false; |
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| 243 | } |
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| 244 | return strpos($haystack, $needle, $offset); |
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| 245 | } |
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| 246 | |||
| 247 | /**
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| 248 | * Finds the last occurrence of a character in a string within another.
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| 249 | *
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| 250 | * @param string $haystack The string from which to get the last occurrence of $needle.
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| 251 | * @param string $needle The string to find in $haystack.
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| 252 | * @param bool $part Determines which portion of $haystack this function returns.
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| 253 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
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| 254 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
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| 255 | * Default value is false.
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| 256 | * @return string|bool The portion of $haystack. or false if $needle is not found.
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| 257 | */
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| 258 | public static function strrchr($haystack, $needle, $part = false) { |
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| 259 | $check = Multibyte::utf8($haystack); |
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| 260 | $found = false; |
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| 261 | |||
| 262 | $haystack = Multibyte::utf8($haystack); |
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| 263 | $haystackCount = count($haystack); |
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| 264 | |||
| 265 | $matches = array_count_values($check); |
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| 266 | |||
| 267 | $needle = Multibyte::utf8($needle); |
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| 268 | $needleCount = count($needle); |
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| 269 | |||
| 270 | $parts = array(); |
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| 271 | $position = 0; |
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| 272 | |||
| 273 | while (($found === false) && ($position < $haystackCount)) { |
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| 274 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
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| 275 | for ($i = 1; $i < $needleCount; $i++) { |
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| 276 | if ($needle[$i] !== $check[$position + $i]) { |
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| 277 | if ($needle[$i] === $check[($position + $i) - 1]) { |
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| 278 | $found = true; |
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| 279 | } |
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| 280 | unset($parts[$position - 1]); |
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| 281 | $haystack = array_merge(array($haystack[$position]), $haystack); |
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| 282 | break;
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| 283 | } |
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| 284 | } |
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| 285 | if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
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| 286 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
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| 287 | } elseif ($i === $needleCount) { |
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| 288 | $found = true; |
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| 289 | } |
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| 290 | } |
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| 291 | |||
| 292 | if (!$found && isset($haystack[$position])) { |
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| 293 | $parts[] = $haystack[$position]; |
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| 294 | unset($haystack[$position]); |
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| 295 | } |
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| 296 | $position++;
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| 297 | } |
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| 298 | |||
| 299 | if ($found && $part && !empty($parts)) { |
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| 300 | return Multibyte::ascii($parts); |
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| 301 | } elseif ($found && !empty($haystack)) { |
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| 302 | return Multibyte::ascii($haystack); |
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| 303 | } |
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| 304 | return false; |
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| 305 | } |
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| 306 | |||
| 307 | /**
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| 308 | * Finds the last occurrence of a character in a string within another, case insensitive.
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| 309 | *
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| 310 | * @param string $haystack The string from which to get the last occurrence of $needle.
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| 311 | * @param string $needle The string to find in $haystack.
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| 312 | * @param bool $part Determines which portion of $haystack this function returns.
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| 313 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
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| 314 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
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| 315 | * Default value is false.
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| 316 | * @return string|bool The portion of $haystack. or false if $needle is not found.
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| 317 | */
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| 318 | public static function strrichr($haystack, $needle, $part = false) { |
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| 319 | $check = Multibyte::strtoupper($haystack); |
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| 320 | $check = Multibyte::utf8($check); |
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| 321 | $found = false; |
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| 322 | |||
| 323 | $haystack = Multibyte::utf8($haystack); |
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| 324 | $haystackCount = count($haystack); |
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| 325 | |||
| 326 | $matches = array_count_values($check); |
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| 327 | |||
| 328 | $needle = Multibyte::strtoupper($needle); |
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| 329 | $needle = Multibyte::utf8($needle); |
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| 330 | $needleCount = count($needle); |
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| 331 | |||
| 332 | $parts = array(); |
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| 333 | $position = 0; |
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| 334 | |||
| 335 | while (($found === false) && ($position < $haystackCount)) { |
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| 336 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
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| 337 | for ($i = 1; $i < $needleCount; $i++) { |
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| 338 | if ($needle[$i] !== $check[$position + $i]) { |
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| 339 | if ($needle[$i] === $check[($position + $i) - 1]) { |
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| 340 | $found = true; |
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| 341 | } |
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| 342 | unset($parts[$position - 1]); |
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| 343 | $haystack = array_merge(array($haystack[$position]), $haystack); |
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| 344 | break;
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| 345 | } |
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| 346 | } |
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| 347 | if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
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| 348 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
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| 349 | } elseif ($i === $needleCount) { |
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| 350 | $found = true; |
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| 351 | } |
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| 352 | } |
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| 353 | |||
| 354 | if (!$found && isset($haystack[$position])) { |
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| 355 | $parts[] = $haystack[$position]; |
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| 356 | unset($haystack[$position]); |
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| 357 | } |
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| 358 | $position++;
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| 359 | } |
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| 360 | |||
| 361 | if ($found && $part && !empty($parts)) { |
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| 362 | return Multibyte::ascii($parts); |
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| 363 | } elseif ($found && !empty($haystack)) { |
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| 364 | return Multibyte::ascii($haystack); |
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| 365 | } |
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| 366 | return false; |
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| 367 | } |
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| 368 | |||
| 369 | /**
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| 370 | * Finds position of last occurrence of a string within another, case insensitive
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| 371 | *
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| 372 | * @param string $haystack The string from which to get the position of the last occurrence of $needle.
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| 373 | * @param string $needle The string to find in $haystack.
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| 374 | * @param int $offset The position in $haystack to start searching.
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| 375 | * @return int|bool The numeric position of the last occurrence of $needle in the $haystack string,
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| 376 | * or false if $needle is not found.
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| 377 | */
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| 378 | public static function strripos($haystack, $needle, $offset = 0) { |
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| 379 | if (Multibyte::checkMultibyte($haystack)) { |
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| 380 | $found = false; |
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| 381 | $haystack = Multibyte::strtoupper($haystack); |
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| 382 | $haystack = Multibyte::utf8($haystack); |
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| 383 | $haystackCount = count($haystack); |
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| 384 | |||
| 385 | $matches = array_count_values($haystack); |
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| 386 | |||
| 387 | $needle = Multibyte::strtoupper($needle); |
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| 388 | $needle = Multibyte::utf8($needle); |
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| 389 | $needleCount = count($needle); |
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| 390 | |||
| 391 | $position = $offset; |
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| 392 | |||
| 393 | while (($found === false) && ($position < $haystackCount)) { |
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| 394 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
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| 395 | for ($i = 1; $i < $needleCount; $i++) { |
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| 396 | if ($needle[$i] !== $haystack[$position + $i]) { |
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| 397 | if ($needle[$i] === $haystack[($position + $i) - 1]) { |
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| 398 | $position--;
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| 399 | $found = true; |
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| 400 | continue;
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| 401 | } |
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| 402 | } |
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| 403 | } |
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| 404 | |||
| 405 | if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
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| 406 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
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| 407 | } elseif ($i === $needleCount) { |
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| 408 | $found = true; |
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| 409 | $position--;
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| 410 | } |
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| 411 | } |
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| 412 | $position++;
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| 413 | } |
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| 414 | return ($found) ? $position : false; |
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| 415 | } |
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| 416 | return strripos($haystack, $needle, $offset); |
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| 417 | } |
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| 418 | |||
| 419 | /**
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| 420 | * Find position of last occurrence of a string in a string.
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| 421 | *
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| 422 | * @param string $haystack The string being checked, for the last occurrence of $needle.
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| 423 | * @param string $needle The string to find in $haystack.
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| 424 | * @param int $offset May be specified to begin searching an arbitrary number of characters into the string.
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| 425 | * Negative values will stop searching at an arbitrary point prior to the end of the string.
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| 426 | * @return int|bool The numeric position of the last occurrence of $needle in the $haystack string.
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| 427 | * If $needle is not found, it returns false.
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| 428 | */
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| 429 | public static function strrpos($haystack, $needle, $offset = 0) { |
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| 430 | if (Multibyte::checkMultibyte($haystack)) { |
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| 431 | $found = false; |
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| 432 | |||
| 433 | $haystack = Multibyte::utf8($haystack); |
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| 434 | $haystackCount = count($haystack); |
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| 435 | |||
| 436 | $matches = array_count_values($haystack); |
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| 437 | |||
| 438 | $needle = Multibyte::utf8($needle); |
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| 439 | $needleCount = count($needle); |
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| 440 | |||
| 441 | $position = $offset; |
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| 442 | |||
| 443 | while (($found === false) && ($position < $haystackCount)) { |
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| 444 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
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| 445 | for ($i = 1; $i < $needleCount; $i++) { |
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| 446 | if ($needle[$i] !== $haystack[$position + $i]) { |
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| 447 | if ($needle[$i] === $haystack[($position + $i) - 1]) { |
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| 448 | $position--;
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| 449 | $found = true; |
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| 450 | continue;
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| 451 | } |
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| 452 | } |
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| 453 | } |
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| 454 | |||
| 455 | if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
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| 456 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
||
| 457 | } elseif ($i === $needleCount) { |
||
| 458 | $found = true; |
||
| 459 | $position--;
|
||
| 460 | } |
||
| 461 | } |
||
| 462 | $position++;
|
||
| 463 | } |
||
| 464 | return ($found) ? $position : false; |
||
| 465 | } |
||
| 466 | return strrpos($haystack, $needle, $offset); |
||
| 467 | } |
||
| 468 | |||
| 469 | /**
|
||
| 470 | * Finds first occurrence of a string within another
|
||
| 471 | *
|
||
| 472 | * @param string $haystack The string from which to get the first occurrence of $needle.
|
||
| 473 | * @param string $needle The string to find in $haystack
|
||
| 474 | * @param bool $part Determines which portion of $haystack this function returns.
|
||
| 475 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
|
||
| 476 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
|
||
| 477 | * Default value is FALSE.
|
||
| 478 | * @return string|bool The portion of $haystack, or true if $needle is not found.
|
||
| 479 | */
|
||
| 480 | public static function strstr($haystack, $needle, $part = false) { |
||
| 481 | $php = (PHP_VERSION < 5.3); |
||
| 482 | |||
| 483 | if (($php && $part) || Multibyte::checkMultibyte($haystack)) { |
||
| 484 | $check = Multibyte::utf8($haystack); |
||
| 485 | $found = false; |
||
| 486 | |||
| 487 | $haystack = Multibyte::utf8($haystack); |
||
| 488 | $haystackCount = count($haystack); |
||
| 489 | |||
| 490 | $needle = Multibyte::utf8($needle); |
||
| 491 | $needleCount = count($needle); |
||
| 492 | |||
| 493 | $parts = array(); |
||
| 494 | $position = 0; |
||
| 495 | |||
| 496 | while (($found === false) && ($position < $haystackCount)) { |
||
| 497 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
||
| 498 | for ($i = 1; $i < $needleCount; $i++) { |
||
| 499 | if ($needle[$i] !== $check[$position + $i]) { |
||
| 500 | break;
|
||
| 501 | } |
||
| 502 | } |
||
| 503 | if ($i === $needleCount) { |
||
| 504 | $found = true; |
||
| 505 | } |
||
| 506 | } |
||
| 507 | if (!$found) { |
||
| 508 | $parts[] = $haystack[$position]; |
||
| 509 | unset($haystack[$position]); |
||
| 510 | } |
||
| 511 | $position++;
|
||
| 512 | } |
||
| 513 | |||
| 514 | if ($found && $part && !empty($parts)) { |
||
| 515 | return Multibyte::ascii($parts); |
||
| 516 | } elseif ($found && !empty($haystack)) { |
||
| 517 | return Multibyte::ascii($haystack); |
||
| 518 | } |
||
| 519 | return false; |
||
| 520 | } |
||
| 521 | |||
| 522 | if (!$php) { |
||
| 523 | return strstr($haystack, $needle, $part); |
||
| 524 | } |
||
| 525 | return strstr($haystack, $needle); |
||
| 526 | } |
||
| 527 | |||
| 528 | /**
|
||
| 529 | * Make a string lowercase
|
||
| 530 | *
|
||
| 531 | * @param string $string The string being lowercased.
|
||
| 532 | * @return string with all alphabetic characters converted to lowercase.
|
||
| 533 | */
|
||
| 534 | public static function strtolower($string) { |
||
| 535 | $utf8Map = Multibyte::utf8($string); |
||
| 536 | |||
| 537 | $length = count($utf8Map); |
||
| 538 | $lowerCase = array(); |
||
| 539 | |||
| 540 | for ($i = 0; $i < $length; $i++) { |
||
| 541 | $char = $utf8Map[$i]; |
||
| 542 | |||
| 543 | if ($char < 128) { |
||
| 544 | $str = strtolower(chr($char)); |
||
| 545 | $strlen = strlen($str); |
||
| 546 | for ($ii = 0; $ii < $strlen; $ii++) { |
||
| 547 | $lower = ord(substr($str, $ii, 1)); |
||
| 548 | } |
||
| 549 | $lowerCase[] = $lower; |
||
| 550 | $matched = true; |
||
| 551 | } else {
|
||
| 552 | $matched = false; |
||
| 553 | $keys = static::_find($char, 'upper'); |
||
| 554 | |||
| 555 | if (!empty($keys)) { |
||
| 556 | foreach ($keys as $key => $value) { |
||
| 557 | if ($keys[$key]['upper'] == $char && count($keys[$key]['lower'][0]) === 1) { |
||
| 558 | $lowerCase[] = $keys[$key]['lower'][0]; |
||
| 559 | $matched = true; |
||
| 560 | break 1; |
||
| 561 | } |
||
| 562 | } |
||
| 563 | } |
||
| 564 | } |
||
| 565 | if ($matched === false) { |
||
| 566 | $lowerCase[] = $char; |
||
| 567 | } |
||
| 568 | } |
||
| 569 | return Multibyte::ascii($lowerCase); |
||
| 570 | } |
||
| 571 | |||
| 572 | /**
|
||
| 573 | * Make a string uppercase
|
||
| 574 | *
|
||
| 575 | * @param string $string The string being uppercased.
|
||
| 576 | * @return string with all alphabetic characters converted to uppercase.
|
||
| 577 | */
|
||
| 578 | public static function strtoupper($string) { |
||
| 579 | $utf8Map = Multibyte::utf8($string); |
||
| 580 | |||
| 581 | $length = count($utf8Map); |
||
| 582 | $replaced = array(); |
||
| 583 | $upperCase = array(); |
||
| 584 | |||
| 585 | for ($i = 0; $i < $length; $i++) { |
||
| 586 | $char = $utf8Map[$i]; |
||
| 587 | |||
| 588 | if ($char < 128) { |
||
| 589 | $str = strtoupper(chr($char)); |
||
| 590 | $strlen = strlen($str); |
||
| 591 | for ($ii = 0; $ii < $strlen; $ii++) { |
||
| 592 | $upper = ord(substr($str, $ii, 1)); |
||
| 593 | } |
||
| 594 | $upperCase[] = $upper; |
||
| 595 | $matched = true; |
||
| 596 | |||
| 597 | } else {
|
||
| 598 | $matched = false; |
||
| 599 | $keys = static::_find($char); |
||
| 600 | $keyCount = count($keys); |
||
| 601 | |||
| 602 | if (!empty($keys)) { |
||
| 603 | foreach ($keys as $key => $value) { |
||
| 604 | $matched = false; |
||
| 605 | $replace = 0; |
||
| 606 | if ($length > 1 && count($keys[$key]['lower']) > 1) { |
||
| 607 | $j = 0; |
||
| 608 | |||
| 609 | for ($ii = 0, $count = count($keys[$key]['lower']); $ii < $count; $ii++) { |
||
| 610 | $nextChar = $utf8Map[$i + $ii]; |
||
| 611 | |||
| 612 | if (isset($nextChar) && ($nextChar == $keys[$key]['lower'][$j + $ii])) { |
||
| 613 | $replace++;
|
||
| 614 | } |
||
| 615 | } |
||
| 616 | if ($replace == $count) { |
||
| 617 | $upperCase[] = $keys[$key]['upper']; |
||
| 618 | $replaced = array_merge($replaced, array_values($keys[$key]['lower'])); |
||
| 619 | $matched = true; |
||
| 620 | break 1; |
||
| 621 | } |
||
| 622 | } elseif ($length > 1 && $keyCount > 1) { |
||
| 623 | $j = 0; |
||
| 624 | for ($ii = 1; $ii < $keyCount; $ii++) { |
||
| 625 | $nextChar = $utf8Map[$i + $ii - 1]; |
||
| 626 | |||
| 627 | if (in_array($nextChar, $keys[$ii]['lower'])) { |
||
| 628 | |||
| 629 | for ($jj = 0, $count = count($keys[$ii]['lower']); $jj < $count; $jj++) { |
||
| 630 | $nextChar = $utf8Map[$i + $jj]; |
||
| 631 | |||
| 632 | if (isset($nextChar) && ($nextChar == $keys[$ii]['lower'][$j + $jj])) { |
||
| 633 | $replace++;
|
||
| 634 | } |
||
| 635 | } |
||
| 636 | if ($replace == $count) { |
||
| 637 | $upperCase[] = $keys[$ii]['upper']; |
||
| 638 | $replaced = array_merge($replaced, array_values($keys[$ii]['lower'])); |
||
| 639 | $matched = true; |
||
| 640 | break 2; |
||
| 641 | } |
||
| 642 | } |
||
| 643 | } |
||
| 644 | } |
||
| 645 | if ($keys[$key]['lower'][0] == $char) { |
||
| 646 | $upperCase[] = $keys[$key]['upper']; |
||
| 647 | $matched = true; |
||
| 648 | break 1; |
||
| 649 | } |
||
| 650 | } |
||
| 651 | } |
||
| 652 | } |
||
| 653 | if ($matched === false && !in_array($char, $replaced, true)) { |
||
| 654 | $upperCase[] = $char; |
||
| 655 | } |
||
| 656 | } |
||
| 657 | return Multibyte::ascii($upperCase); |
||
| 658 | } |
||
| 659 | |||
| 660 | /**
|
||
| 661 | * Count the number of substring occurrences
|
||
| 662 | *
|
||
| 663 | * @param string $haystack The string being checked.
|
||
| 664 | * @param string $needle The string being found.
|
||
| 665 | * @return int The number of times the $needle substring occurs in the $haystack string.
|
||
| 666 | */
|
||
| 667 | public static function substrCount($haystack, $needle) { |
||
| 668 | $count = 0; |
||
| 669 | $haystack = Multibyte::utf8($haystack); |
||
| 670 | $haystackCount = count($haystack); |
||
| 671 | $matches = array_count_values($haystack); |
||
| 672 | $needle = Multibyte::utf8($needle); |
||
| 673 | $needleCount = count($needle); |
||
| 674 | |||
| 675 | if ($needleCount === 1 && isset($matches[$needle[0]])) { |
||
| 676 | return $matches[$needle[0]]; |
||
| 677 | } |
||
| 678 | |||
| 679 | for ($i = 0; $i < $haystackCount; $i++) { |
||
| 680 | if (isset($needle[0]) && $needle[0] === $haystack[$i]) { |
||
| 681 | for ($ii = 1; $ii < $needleCount; $ii++) { |
||
| 682 | if ($needle[$ii] === $haystack[$i + 1]) { |
||
| 683 | if ((isset($needle[$ii + 1]) && $haystack[$i + 2]) && $needle[$ii + 1] !== $haystack[$i + 2]) { |
||
| 684 | $count--;
|
||
| 685 | } else {
|
||
| 686 | $count++;
|
||
| 687 | } |
||
| 688 | } |
||
| 689 | } |
||
| 690 | } |
||
| 691 | } |
||
| 692 | return $count; |
||
| 693 | } |
||
| 694 | |||
| 695 | /**
|
||
| 696 | * Get part of string
|
||
| 697 | *
|
||
| 698 | * @param string $string The string being checked.
|
||
| 699 | * @param int $start The first position used in $string.
|
||
| 700 | * @param int $length The maximum length of the returned string.
|
||
| 701 | * @return string The portion of $string specified by the $string and $length parameters.
|
||
| 702 | */
|
||
| 703 | public static function substr($string, $start, $length = null) { |
||
| 704 | if ($start === 0 && $length === null) { |
||
| 705 | return $string; |
||
| 706 | } |
||
| 707 | |||
| 708 | $string = Multibyte::utf8($string); |
||
| 709 | |||
| 710 | for ($i = 1; $i <= $start; $i++) { |
||
| 711 | unset($string[$i - 1]); |
||
| 712 | } |
||
| 713 | |||
| 714 | if ($length === null || count($string) < $length) { |
||
| 715 | return Multibyte::ascii($string); |
||
| 716 | } |
||
| 717 | $string = array_values($string); |
||
| 718 | |||
| 719 | $value = array(); |
||
| 720 | for ($i = 0; $i < $length; $i++) { |
||
| 721 | $value[] = $string[$i]; |
||
| 722 | } |
||
| 723 | return Multibyte::ascii($value); |
||
| 724 | } |
||
| 725 | |||
| 726 | /**
|
||
| 727 | * Prepare a string for mail transport, using the provided encoding
|
||
| 728 | *
|
||
| 729 | * @param string $string value to encode
|
||
| 730 | * @param string $charset charset to use for encoding. defaults to UTF-8
|
||
| 731 | * @param string $newline Newline string.
|
||
| 732 | * @return string
|
||
| 733 | */
|
||
| 734 | public static function mimeEncode($string, $charset = null, $newline = "\r\n") { |
||
| 735 | if (!Multibyte::checkMultibyte($string) && strlen($string) < 75) { |
||
| 736 | return $string; |
||
| 737 | } |
||
| 738 | |||
| 739 | if (empty($charset)) { |
||
| 740 | $charset = Configure::read('App.encoding'); |
||
| 741 | } |
||
| 742 | $charset = strtoupper($charset); |
||
| 743 | |||
| 744 | $start = '=?' . $charset . '?B?'; |
||
| 745 | $end = '?='; |
||
| 746 | $spacer = $end . $newline . ' ' . $start; |
||
| 747 | |||
| 748 | $length = 75 - strlen($start) - strlen($end); |
||
| 749 | $length = $length - ($length % 4); |
||
| 750 | if ($charset === 'UTF-8') { |
||
| 751 | $parts = array(); |
||
| 752 | $maxchars = floor(($length * 3) / 4); |
||
| 753 | $stringLength = strlen($string); |
||
| 754 | while ($stringLength > $maxchars) { |
||
| 755 | $i = (int)$maxchars; |
||
| 756 | $test = ord($string[$i]); |
||
| 757 | while ($test >= 128 && $test <= 191) { |
||
| 758 | $i--;
|
||
| 759 | $test = ord($string[$i]); |
||
| 760 | } |
||
| 761 | $parts[] = base64_encode(substr($string, 0, $i)); |
||
| 762 | $string = substr($string, $i); |
||
| 763 | $stringLength = strlen($string); |
||
| 764 | } |
||
| 765 | $parts[] = base64_encode($string); |
||
| 766 | $string = implode($spacer, $parts); |
||
| 767 | } else {
|
||
| 768 | $string = chunk_split(base64_encode($string), $length, $spacer); |
||
| 769 | $string = preg_replace('/' . preg_quote($spacer) . '$/', '', $string); |
||
| 770 | } |
||
| 771 | return $start . $string . $end; |
||
| 772 | } |
||
| 773 | |||
| 774 | /**
|
||
| 775 | * Return the Code points range for Unicode characters
|
||
| 776 | *
|
||
| 777 | * @param int $decimal Decimal value.
|
||
| 778 | * @return string
|
||
| 779 | */
|
||
| 780 | protected static function _codepoint($decimal) { |
||
| 781 | if ($decimal > 128 && $decimal < 256) { |
||
| 782 | $return = '0080_00ff'; // Latin-1 Supplement |
||
| 783 | } elseif ($decimal < 384) { |
||
| 784 | $return = '0100_017f'; // Latin Extended-A |
||
| 785 | } elseif ($decimal < 592) { |
||
| 786 | $return = '0180_024F'; // Latin Extended-B |
||
| 787 | } elseif ($decimal < 688) { |
||
| 788 | $return = '0250_02af'; // IPA Extensions |
||
| 789 | } elseif ($decimal >= 880 && $decimal < 1024) { |
||
| 790 | $return = '0370_03ff'; // Greek and Coptic |
||
| 791 | } elseif ($decimal < 1280) { |
||
| 792 | $return = '0400_04ff'; // Cyrillic |
||
| 793 | } elseif ($decimal < 1328) { |
||
| 794 | $return = '0500_052f'; // Cyrillic Supplement |
||
| 795 | } elseif ($decimal < 1424) { |
||
| 796 | $return = '0530_058f'; // Armenian |
||
| 797 | } elseif ($decimal >= 7680 && $decimal < 7936) { |
||
| 798 | $return = '1e00_1eff'; // Latin Extended Additional |
||
| 799 | } elseif ($decimal < 8192) { |
||
| 800 | $return = '1f00_1fff'; // Greek Extended |
||
| 801 | } elseif ($decimal >= 8448 && $decimal < 8528) { |
||
| 802 | $return = '2100_214f'; // Letterlike Symbols |
||
| 803 | } elseif ($decimal < 8592) { |
||
| 804 | $return = '2150_218f'; // Number Forms |
||
| 805 | } elseif ($decimal >= 9312 && $decimal < 9472) { |
||
| 806 | $return = '2460_24ff'; // Enclosed Alphanumerics |
||
| 807 | } elseif ($decimal >= 11264 && $decimal < 11360) { |
||
| 808 | $return = '2c00_2c5f'; // Glagolitic |
||
| 809 | } elseif ($decimal < 11392) { |
||
| 810 | $return = '2c60_2c7f'; // Latin Extended-C |
||
| 811 | } elseif ($decimal < 11520) { |
||
| 812 | $return = '2c80_2cff'; // Coptic |
||
| 813 | } elseif ($decimal >= 65280 && $decimal < 65520) { |
||
| 814 | $return = 'ff00_ffef'; // Halfwidth and Fullwidth Forms |
||
| 815 | } else {
|
||
| 816 | $return = false; |
||
| 817 | } |
||
| 818 | static::$_codeRange[$decimal] = $return; |
||
| 819 | return $return; |
||
| 820 | } |
||
| 821 | |||
| 822 | /**
|
||
| 823 | * Find the related code folding values for $char
|
||
| 824 | *
|
||
| 825 | * @param int $char decimal value of character
|
||
| 826 | * @param string $type Type 'lower' or 'upper'. Defaults to 'lower'.
|
||
| 827 | * @return array
|
||
| 828 | */
|
||
| 829 | protected static function _find($char, $type = 'lower') { |
||
| 830 | $found = array(); |
||
| 831 | if (!isset(static::$_codeRange[$char])) { |
||
| 832 | $range = static::_codepoint($char); |
||
| 833 | if ($range === false) { |
||
| 834 | return array(); |
||
| 835 | } |
||
| 836 | if (!Configure::configured('_cake_core_')) { |
||
| 837 | App::uses('PhpReader', 'Configure'); |
||
| 838 | Configure::config('_cake_core_', new PhpReader(CAKE . 'Config' . DS)); |
||
| 839 | } |
||
| 840 | Configure::load('unicode' . DS . 'casefolding' . DS . $range, '_cake_core_'); |
||
| 841 | static::$_caseFold[$range] = Configure::read($range); |
||
| 842 | Configure::delete($range); |
||
| 843 | } |
||
| 844 | |||
| 845 | if (!static::$_codeRange[$char]) { |
||
| 846 | return array(); |
||
| 847 | } |
||
| 848 | static::$_table = static::$_codeRange[$char]; |
||
| 849 | $count = count(static::$_caseFold[static::$_table]); |
||
| 850 | |||
| 851 | for ($i = 0; $i < $count; $i++) { |
||
| 852 | if ($type === 'lower' && static::$_caseFold[static::$_table][$i][$type][0] === $char) { |
||
| 853 | $found[] = static::$_caseFold[static::$_table][$i]; |
||
| 854 | } elseif ($type === 'upper' && static::$_caseFold[static::$_table][$i][$type] === $char) { |
||
| 855 | $found[] = static::$_caseFold[static::$_table][$i]; |
||
| 856 | } |
||
| 857 | } |
||
| 858 | return $found; |
||
| 859 | } |
||
| 860 | |||
| 861 | /**
|
||
| 862 | * Check the $string for multibyte characters
|
||
| 863 | *
|
||
| 864 | * @param string $string Value to test.
|
||
| 865 | * @return bool
|
||
| 866 | */
|
||
| 867 | public static function checkMultibyte($string) { |
||
| 868 | $length = strlen($string); |
||
| 869 | |||
| 870 | for ($i = 0; $i < $length; $i++) { |
||
| 871 | $value = ord(($string[$i])); |
||
| 872 | if ($value > 128) { |
||
| 873 | return true; |
||
| 874 | } |
||
| 875 | } |
||
| 876 | return false; |
||
| 877 | } |
||
| 878 | |||
| 879 | } |