69 lines
1.5 KiB
PHP
69 lines
1.5 KiB
PHP
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<?php
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namespace dokuwiki\Parsing\ParserMode;
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class Acronym extends AbstractMode
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{
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// A list
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protected $acronyms = array();
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protected $pattern = '';
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/**
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* Acronym constructor.
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*
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* @param string[] $acronyms
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*/
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public function __construct($acronyms)
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{
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usort($acronyms, array($this,'compare'));
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$this->acronyms = $acronyms;
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}
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/** @inheritdoc */
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public function preConnect()
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{
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if (!count($this->acronyms)) return;
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$bound = '[\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]';
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$acronyms = array_map(['\\dokuwiki\\Parsing\\Lexer\\Lexer', 'escape'], $this->acronyms);
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$this->pattern = '(?<=^|'.$bound.')(?:'.join('|', $acronyms).')(?='.$bound.')';
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}
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/** @inheritdoc */
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public function connectTo($mode)
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{
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if (!count($this->acronyms)) return;
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if (strlen($this->pattern) > 0) {
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$this->Lexer->addSpecialPattern($this->pattern, $mode, 'acronym');
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}
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}
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/** @inheritdoc */
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public function getSort()
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{
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return 240;
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}
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/**
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* sort callback to order by string length descending
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*
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* @param string $a
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* @param string $b
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*
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* @return int
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*/
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protected function compare($a, $b)
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{
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$a_len = strlen($a);
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$b_len = strlen($b);
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if ($a_len > $b_len) {
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return -1;
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} elseif ($a_len < $b_len) {
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return 1;
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}
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return 0;
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}
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}
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