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- Veröffentlicht
- 28.08.2024
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MapFilter.php
001 <?php
002
003 /**
004 * @package s9e\TextFormatter
005 * @copyright Copyright (c) 2010-2022 The s9e authors
006 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
007 */
008 namespace s9e\TextFormatter\Configurator\Items\AttributeFilters;
009
010 use InvalidArgumentException;
011 use s9e\TextFormatter\Configurator\Helpers\RegexpBuilder;
012 use s9e\TextFormatter\Configurator\Items\Regexp;
013
014 class MapFilter extends AbstractMapFilter
015 {
016 /**
017 * Constructor
018 *
019 * @param array $map Associative array in the form [word => replacement]
020 * @param bool $caseSensitive Whether this map is case-sensitive
021 * @param bool $strict Whether this map is strict (values with no match are invalid)
022 */
023 public function __construct(array $map = null, $caseSensitive = false, $strict = false)
024 {
025 parent::__construct('s9e\\TextFormatter\\Parser\\AttributeFilters\\MapFilter::filter');
026
027 $this->resetParameters();
028 $this->addParameterByName('attrValue');
029 $this->addParameterByName('map');
030 $this->setJS('MapFilter.filter');
031
032 if (isset($map))
033 {
034 $this->setMap($map, $caseSensitive, $strict);
035 }
036 }
037
038 /**
039 * Set the content of this map
040 *
041 * @param array $map Associative array in the form [word => replacement]
042 * @param bool $caseSensitive Whether this map is case-sensitive
043 * @param bool $strict Whether this map is strict (values with no match are invalid)
044 * @return void
045 */
046 public function setMap(array $map, $caseSensitive = false, $strict = false)
047 {
048 if (!is_bool($caseSensitive))
049 {
050 throw new InvalidArgumentException('Argument 2 passed to ' . __METHOD__ . ' must be a boolean');
051 }
052
053 if (!is_bool($strict))
054 {
055 throw new InvalidArgumentException('Argument 3 passed to ' . __METHOD__ . ' must be a boolean');
056 }
057
058 // Reset the template safeness marks for the new map
059 $this->resetSafeness();
060
061 // If the map is strict, we can assess its safeness
062 if ($strict)
063 {
064 $this->assessSafeness($map);
065 }
066
067 // Group values by keys
068 $valueKeys = [];
069 foreach ($map as $key => $value)
070 {
071 $valueKeys[$value][] = $key;
072 }
073
074 // Now create a regexp and an entry in the map for each group
075 $map = [];
076 foreach ($valueKeys as $value => $keys)
077 {
078 $regexp = RegexpBuilder::fromList(
079 $keys,
080 [
081 'delimiter' => '/',
082 'caseInsensitive' => !$caseSensitive
083 ]
084 );
085 $regexp = '/^' . $regexp . '$/D';
086
087 // Add the case-insensitive flag if applicable
088 if (!$caseSensitive)
089 {
090 $regexp .= 'i';
091 }
092
093 // Add the Unicode flag if the regexp isn't purely ASCII
094 if (!preg_match('#^[[:ascii:]]*$#D', $regexp))
095 {
096 $regexp .= 'u';
097 }
098
099 // Add the [regexp,value] pair to the map
100 $map[] = [new Regexp($regexp), $value];
101 }
102
103 // If the "strict" option is enabled, a catch-all regexp which replaces the value with FALSE
104 // is appended to the list
105 if ($strict)
106 {
107 $map[] = [new Regexp('//'), false];
108 }
109
110 // Record the map in this filter's variables
111 $this->vars['map'] = $map;
112 }
113 }