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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Scribunto\Engines\LuaCommon; |
| 4 | |
| 5 | use MediaWiki\Json\FormatJson; |
| 6 | use MediaWiki\MainConfigNames; |
| 7 | use MediaWiki\MediaWikiServices; |
| 8 | use MediaWiki\Parser\CoreTagHooks; |
| 9 | |
| 10 | class TextLibrary extends LibraryBase { |
| 11 | // Matches Lua mw.text constants |
| 12 | private const JSON_PRESERVE_KEYS = 1; |
| 13 | private const JSON_TRY_FIXING = 2; |
| 14 | private const JSON_PRETTY = 4; |
| 15 | |
| 16 | public function register() { |
| 17 | $lib = [ |
| 18 | 'unstrip' => [ $this, 'textUnstrip' ], |
| 19 | 'unstripNoWiki' => [ $this, 'textUnstripNoWiki' ], |
| 20 | 'killMarkers' => [ $this, 'killMarkers' ], |
| 21 | 'getEntityTable' => [ $this, 'getEntityTable' ], |
| 22 | 'jsonEncode' => [ $this, 'jsonEncode' ], |
| 23 | 'jsonDecode' => [ $this, 'jsonDecode' ], |
| 24 | ]; |
| 25 | $opts = [ |
| 26 | 'comma' => wfMessage( 'comma-separator' )->inContentLanguage()->text(), |
| 27 | 'and' => wfMessage( 'and' )->inContentLanguage()->text() . |
| 28 | wfMessage( 'word-separator' )->inContentLanguage()->text(), |
| 29 | 'ellipsis' => wfMessage( 'ellipsis' )->inContentLanguage()->text(), |
| 30 | 'nowiki_protocols' => [], |
| 31 | ]; |
| 32 | |
| 33 | $urlProtocols = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::UrlProtocols ); |
| 34 | foreach ( $urlProtocols as $prot ) { |
| 35 | if ( substr( $prot, -1 ) === ':' ) { |
| 36 | // To convert the protocol into a case-insensitive Lua pattern, |
| 37 | // we need to replace letters with a character class like [Xx] |
| 38 | // and insert a '%' before various punctuation. |
| 39 | $prot = preg_replace_callback( '/([a-zA-Z])|([()^$%.\[\]*+?-])/', static function ( $m ) { |
| 40 | if ( $m[1] ) { |
| 41 | return '[' . strtoupper( $m[1] ) . strtolower( $m[1] ) . ']'; |
| 42 | } else { |
| 43 | return '%' . $m[2]; |
| 44 | } |
| 45 | }, substr( $prot, 0, -1 ) ); |
| 46 | $opts['nowiki_protocols']["($prot):"] = '%1:'; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | return $this->getEngine()->registerInterface( 'mw.text.lua', $lib, $opts ); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Handler for textUnstrip |
| 55 | * @internal |
| 56 | * @param string $s |
| 57 | * @return string[] |
| 58 | */ |
| 59 | public function textUnstrip( $s ) { |
| 60 | $this->checkType( 'unstrip', 1, $s, 'string' ); |
| 61 | $stripState = $this->getParser()->getStripState(); |
| 62 | return [ $stripState->killMarkers( $stripState->unstripNoWiki( $s ) ) ]; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @param string $text |
| 67 | * @return string |
| 68 | */ |
| 69 | public function processNoWikis( string $text ): string { |
| 70 | $content = preg_replace( "#</?nowiki[^>]*>#i", '', $text ); |
| 71 | return $content ? CoreTagHooks::nowiki( $content, [], $this->getParser() )[0] : ''; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Handler for textUnstripNoWiki |
| 76 | * @internal |
| 77 | * @param string $s |
| 78 | * @param bool $getOrigTextWhenPreprocessing |
| 79 | * @return string[] |
| 80 | */ |
| 81 | public function textUnstripNoWiki( $s, $getOrigTextWhenPreprocessing ) { |
| 82 | $this->checkType( 'unstripNoWiki', 1, $s, 'string' ); |
| 83 | if ( !$getOrigTextWhenPreprocessing ) { |
| 84 | return [ $this->getParser()->getStripState()->replaceNoWikis( $s, [ $this, "processNowikis" ] ) ]; |
| 85 | } else { |
| 86 | return [ $this->getParser()->getStripState()->unstripNoWiki( $s ) ]; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Handler for killMarkers |
| 92 | * @internal |
| 93 | * @param string $s |
| 94 | * @return string[] |
| 95 | */ |
| 96 | public function killMarkers( $s ) { |
| 97 | $this->checkType( 'killMarkers', 1, $s, 'string' ); |
| 98 | return [ $this->getParser()->getStripState()->killMarkers( $s ) ]; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Handler for getEntityTable |
| 103 | * @internal |
| 104 | * @return array[] |
| 105 | */ |
| 106 | public function getEntityTable() { |
| 107 | $table = array_flip( |
| 108 | get_html_translation_table( HTML_ENTITIES, ENT_QUOTES | ENT_HTML5, "UTF-8" ) |
| 109 | ); |
| 110 | return [ $table ]; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Handler for jsonEncode |
| 115 | * @internal |
| 116 | * @param mixed $value |
| 117 | * @param string|int $flags |
| 118 | * @return string[] |
| 119 | */ |
| 120 | public function jsonEncode( $value, $flags ) { |
| 121 | $this->checkTypeOptional( 'mw.text.jsonEncode', 2, $flags, 'number', 0 ); |
| 122 | $flags = (int)$flags; |
| 123 | if ( !( $flags & self::JSON_PRESERVE_KEYS ) && is_array( $value ) ) { |
| 124 | $value = self::reindexArrays( $value, true ); |
| 125 | } |
| 126 | $ret = FormatJson::encode( $value, (bool)( $flags & self::JSON_PRETTY ), FormatJson::ALL_OK ); |
| 127 | if ( $ret === false ) { |
| 128 | throw new LuaError( 'mw.text.jsonEncode: Unable to encode value' ); |
| 129 | } |
| 130 | return [ $ret ]; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Handler for jsonDecode |
| 135 | * @internal |
| 136 | * @param string $s |
| 137 | * @param string|int $flags |
| 138 | * @return array |
| 139 | */ |
| 140 | public function jsonDecode( $s, $flags ) { |
| 141 | $this->checkType( 'mw.text.jsonDecode', 1, $s, 'string' ); |
| 142 | $this->checkTypeOptional( 'mw.text.jsonDecode', 2, $flags, 'number', 0 ); |
| 143 | $flags = (int)$flags; |
| 144 | $opts = FormatJson::FORCE_ASSOC; |
| 145 | if ( $flags & self::JSON_TRY_FIXING ) { |
| 146 | $opts |= FormatJson::TRY_FIXING; |
| 147 | } |
| 148 | $status = FormatJson::parse( $s, $opts ); |
| 149 | if ( !$status->isOk() ) { |
| 150 | throw new LuaError( 'mw.text.jsonDecode: ' . $status->getMessage()->text() ); |
| 151 | } |
| 152 | $val = $status->getValue(); |
| 153 | if ( !( $flags & self::JSON_PRESERVE_KEYS ) && is_array( $val ) ) { |
| 154 | $val = self::reindexArrays( $val, false ); |
| 155 | } |
| 156 | return [ $val ]; |
| 157 | } |
| 158 | |
| 159 | /** Recursively reindex array with integer keys to 0-based or 1-based |
| 160 | * @param array $arr |
| 161 | * @param bool $isEncoding |
| 162 | * @return array |
| 163 | * @internal |
| 164 | */ |
| 165 | public static function reindexArrays( array $arr, $isEncoding ) { |
| 166 | if ( $isEncoding ) { |
| 167 | ksort( $arr, SORT_NUMERIC ); |
| 168 | $next = 1; |
| 169 | } else { |
| 170 | $next = 0; |
| 171 | } |
| 172 | $isSequence = true; |
| 173 | foreach ( $arr as $k => &$v ) { |
| 174 | if ( is_array( $v ) ) { |
| 175 | $v = self::reindexArrays( $v, $isEncoding ); |
| 176 | } |
| 177 | |
| 178 | if ( $isSequence ) { |
| 179 | if ( is_int( $k ) ) { |
| 180 | $isSequence = $next++ === $k; |
| 181 | } elseif ( $isEncoding && ctype_digit( $k ) ) { |
| 182 | // json_decode currently doesn't return integer keys for {} |
| 183 | $isSequence = $next++ === (int)$k; |
| 184 | } else { |
| 185 | $isSequence = false; |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | if ( $isSequence ) { |
| 190 | if ( $isEncoding ) { |
| 191 | return array_values( $arr ); |
| 192 | } else { |
| 193 | return $arr ? array_combine( range( 1, count( $arr ) ), $arr ) : $arr; |
| 194 | } |
| 195 | } |
| 196 | return $arr; |
| 197 | } |
| 198 | |
| 199 | } |