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<?php |
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namespace Mos\TextFilter; |
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/** |
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* Shortcode to format when working with text. |
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* |
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*/ |
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trait TShortcode |
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{ |
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/** |
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* Shortcode to quicker format text as HTML. |
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* |
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* @param string $text text to be converted. |
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* |
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* @return string the formatted text. |
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*/ |
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public function shortCode($text) |
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{ |
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/* Needs PHP 7 |
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$patternsAndCallbacks = [ |
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"/\[(FIGURE)[\s+](.+)\]/" => function ($match) { |
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return self::ShortCodeFigure($matches[2]); |
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}, |
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"/(```([\w]*))\n([^`]*)```[\n]{1}/s" => function ($match) { |
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return $this->syntaxHighlightGeSHi($matches[3], $matches[2]); |
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}, |
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]; |
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return preg_replace_callback_array($patternsAndCallbacks, $text); |
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*/ |
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$patterns = [ |
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"/\[(FIGURE)[\s+](.+)\]/", |
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//'/\[(YOUTUBE) src=(.+) width=(.+) caption=(.+)\]/', |
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"/\[(YOUTUBE)[\s+](.+)\]/", |
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"/\[(ASCIINEMA)[\s+](.+)\]/", |
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"/(```)([\w]*)\n([^`]*)```[\n]{1}/s", |
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'/\[(INFO)\]/', |
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'/\[(\/INFO)\]/', |
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]; |
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return preg_replace_callback( |
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$patterns, |
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function ($matches) { |
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switch ($matches[1]) { |
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case "FIGURE": |
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return self::shortCodeFigure($matches[2]); |
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break; |
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case "YOUTUBE": |
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return self::shortCodeYoutube($matches[2]); |
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break; |
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case "ASCIINEMA": |
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return self::shortCodeAsciinema($matches[2]); |
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break; |
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case "```": |
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return $this->syntaxHighlightGeSHi($matches[3], $matches[2]); |
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break; |
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case 'INFO': |
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return "<div class='info' markdown=1>"; |
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break; |
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case '/INFO': |
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return "</div>"; |
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break; |
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default: |
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return "{$matches[1]} is unknown shortcode."; |
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} |
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}, |
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$text |
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); |
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} |
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/** |
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* Init shortcode handling by preparing the option list to an array, |
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* for those using arguments. |
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* |
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* @param string $options for the shortcode. |
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* |
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* @return array with all the options. |
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*/ |
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public static function shortCodeInit($options) |
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{ |
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preg_match_all('/[a-zA-Z0-9]+="[^"]+"|\S+/', $options, $matches); |
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$res = array(); |
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foreach ($matches[0] as $match) { |
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$pos = strpos($match, '='); |
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if ($pos === false) { |
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$res[$match] = true; |
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} else { |
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$key = substr($match, 0, $pos); |
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$val = trim(substr($match, $pos+1), '"'); |
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$res[$key] = $val; |
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} |
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} |
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return $res; |
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} |
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/** |
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* Shortcode for [YOUTUBE]. |
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* |
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* Usage example: [YOUTUBE src=id-for-the-tube width=630 caption=""] |
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* |
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* @param string $options for the shortcode. |
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* |
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* @return array with all the options. |
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*/ |
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public static function shortCodeYoutube($options) |
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{ |
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$options= array_merge( |
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[ |
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"src" => null, |
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"width" => null, |
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"caption" => null, |
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"ratio" => 16/9 |
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], |
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self::ShortCodeInit($options) |
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); |
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extract($options, EXTR_SKIP); |
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$caption = t("Figure: !CAPTION", ["!CAPTION" => $caption]); |
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$height = ceil($width / $ratio); |
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// @codingStandardsIgnoreStart |
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$html = <<<EOD |
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<figure> |
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<iframe width="$width" height="$height" src="http://www.youtube.com/embed/$src" frameborder="0" allowfullscreen></iframe> |
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<figcaption markdown=1>{$caption}</figcaption> |
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</figure> |
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EOD; |
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// @codingStandardsIgnoreEnd |
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return $html; |
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} |
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/** |
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* Shortcode for <figure>. |
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* |
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* Usage example: [FIGURE src="img/home/me.jpg" caption="Me" alt="Bild på mig" nolink="nolink"] |
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* |
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* @param string $options for the shortcode. |
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* |
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* @return array with all the options. |
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*/ |
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public static function shortCodeFigure($options) |
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{ |
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// Merge incoming options with default and expose as variables |
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$options= array_merge( |
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[ |
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"id" => null, |
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"class" => null, |
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"src" => null, |
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"title" => null, |
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"alt" => null, |
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"caption" => null, |
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"href" => null, |
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"nolink" => false, |
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], |
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self::ShortCodeInit($options) |
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); |
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extract($options, EXTR_SKIP); |
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$id = $id ? " id=\"$id\"" : null; |
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$class = $class ? " class=\"figure $class\"" : " class=\"figure\""; |
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$title = $title ? " title=\"$title\"" : null; |
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if (!$alt && $caption) { |
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$alt = $caption; |
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} |
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if (!$href) { |
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$pos = strpos($src, "?"); |
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$href = $pos ? substr($src, 0, $pos) : $src; |
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} |
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$start = null; |
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$end = null; |
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if (!$nolink) { |
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$start = "<a href=\"{$href}\">"; |
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$end = "</a>"; |
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} |
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$html = <<<EOD |
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<figure{$id}{$class}> |
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{$start}<img src="{$src}" alt="{$alt}"{$title}/>{$end} |
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<figcaption markdown=1>{$caption}</figcaption> |
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</figure> |
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EOD; |
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return $html; |
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} |
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/** |
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* Shortcode for [asciinema]. |
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* |
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* @param string $code the code to process. |
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* @param string $options for the shortcode. |
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* @return array with all the options. |
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*/ |
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public static function shortCodeAsciinema($options) |
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{ |
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// Merge incoming options with default and expose as variables |
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$options= array_merge( |
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[ |
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"id" => null, |
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"class" => null, |
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"src" => null, |
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"title" => null, |
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"caption" => null, |
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], |
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self::ShortCodeInit($options) |
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); |
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extract($options, EXTR_SKIP); |
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$id = $id ? " id=\"$id\"" : null; |
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$class = $class ? " class=\"figure asciinema $class\"" : " class=\"figure asciinema\""; |
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$title = $title ? " title=\"$title\"" : null; |
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$html = <<<EOD |
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<figure{$id}{$class}$title> |
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<script type="text/javascript" src="https://asciinema.org/a/{$src}.js" id="asciicast-{$src}" async></script> |
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<figcaption markdown=1>{$caption}</figcaption> |
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</figure> |
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EOD; |
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return $html; |
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} |
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/** |
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* Shortcode for including a SVG-image inside a <figure>. |
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* |
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* @param string $code the code to process. |
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* @param string $options for the shortcode. |
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* @return array with all the options. |
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*/ |
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/* public static function ShortCodeSVGFigure($options) { |
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// Merge incoming options with default and expose as variables |
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$options= array_merge( |
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[ |
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"id" => null, |
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"class" => null, |
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"src" => null, |
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"title" => null, |
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"alt" => null, |
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"caption" => null, |
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"href" => null, |
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"nolink" => false, |
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//'path' => null, |
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], |
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self::ShortCodeInit($options) |
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); |
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extract($options, EXTR_SKIP); |
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$id = $id ? " id=\"$id\"" : null; |
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$class = $class ? " class=\"figure $class\"" : " class=\"figure\""; |
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$title = $title ? " title=\"$title\"" : null; |
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if (!$alt && $caption) { |
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$alt = $caption; |
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} |
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if (!$href) { |
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$pos = strpos($src, "?"); |
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$href = $pos ? substr($src, 0, $pos) : $src; |
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} |
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$start = null; |
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$end = null; |
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if (!$nolink) { |
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$start = "<a href=\"{$href}\">"; |
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$end = "</a>"; |
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} |
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// Import the file containing the svg-image |
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/* |
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$svg = null; |
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if($path[0] != '/') { |
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$path = self::$dir . '/' . $path; |
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} |
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if(is_file($path)) { |
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$svg = file_get_contents($path); |
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} |
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else { |
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$svg = "No such file: $path"; |
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} |
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$html = <<<EOD |
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<figure{$id}{$class}> |
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{$svg} |
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<figcaption markdown=1>{$caption}</figcaption> |
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</figure> |
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EOD;*/ |
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/* |
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$html = <<<EOD |
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<figure{$id}{$class}> |
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{$start}<img src="{$src}" alt="{$alt}"{$title}/>{$end} |
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<figcaption markdown=1>{$caption}</figcaption> |
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</figure> |
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EOD; |
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return $html;*/ |
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/* } |
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*/ |
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/** |
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* Shorttags to to quicker format text as HTML. |
327
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* |
328
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* @param string text text to be converted. |
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* @return string the formatted text. |
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*/ |
331
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/*public static function ShortTags($text) { |
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$callback = function($matches) { |
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switch($matches[1]) { |
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case 'IMG': |
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$caption = t('Image: '); |
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$pos = strpos($matches[2], '?'); |
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$href = $pos ? substr($matches[2], 0, $pos) : $matches[2]; |
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$src = htmlspecialchars($matches[2]); |
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return <<<EOD |
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<figure> |
341
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<a href='{$href}'><img src='{$src}' alt='{$matches[3]}' /></a> |
342
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<figcaption markdown=1>{$caption}{$matches[3]}</figcaption> |
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</figure> |
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EOD; |
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case 'IMG2': |
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$caption = null; //t('Image: '); |
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$pos = strpos($matches[2], '?'); |
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$href = $pos ? substr($matches[2], 0, $pos) : $matches[2]; |
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$src = htmlspecialchars($matches[2]); |
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return <<<EOD |
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<figure class="{$matches[4]}"> |
353
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<a href='{$href}'><img src='{$src}' alt='{$matches[3]}' /></a> |
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<figcaption markdown=1>{$caption}{$matches[3]}</figcaption> |
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</figure> |
356
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EOD; |
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case 'BOOK': |
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$isbn = $matches[2]; |
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$stores = array( |
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'BTH' => "http://bth.summon.serialssolutions.com/?#!/search?ho=t&q={$isbn}", |
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'Libris' => "http://libris.kb.se/hitlist?q={$isbn}", |
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'Google Books' => "http://books.google.com/books?q={$isbn}", |
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'Bokus' => "http://www.bokus.com/bok/{$isbn}", |
364
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'Adlibris' => "http://www.adlibris.com/se/product.aspx?isbn={$isbn}", |
365
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'Amazon' => "http://www.amazon.com/s/ref=nb_ss?url=field-keywords={$isbn}", |
366
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'Barnes&Noble' => "http://search.barnesandnoble.com/booksearch/ISBNInquiry.asp?r=1&IF=N&EAN={$isbn}", |
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|
|
|
); |
368
|
|
|
$html = null; |
369
|
|
|
foreach($stores as $key => $val) { |
370
|
|
|
$html .= "<a href='$val'>$key</a> • "; |
371
|
|
|
} |
372
|
|
|
return substr($html, 0, -8); |
373
|
|
|
break; |
374
|
|
|
|
375
|
|
|
case 'YOUTUBE': |
376
|
|
|
$caption = t('Figure: '); |
377
|
|
|
$height = ceil($matches[3] / (16/9)); |
378
|
|
|
return <<<EOD |
379
|
|
|
<figure> |
380
|
|
|
<iframe width='{$matches[3]}' height='{$height}' src="http://www.youtube.com/embed/{$matches[2]}" frameborder="0" |
381
|
|
|
allowfullscreen></iframe> |
382
|
|
|
<figcaption>{$caption}{$matches[4]}</figcaption> |
383
|
|
|
</figure> |
384
|
|
|
EOD; |
385
|
|
|
break; |
386
|
|
|
|
387
|
|
|
case 'syntax=': return CTextFilter::SyntaxHighlightGeSHi($matches[3], $matches[2]); break; |
388
|
|
|
case '```': return CTextFilter::SyntaxHighlightGeSHi($matches[3], $matches[2]); break; |
389
|
|
|
//case 'syntax=': return "<pre>" . highlight_string($matches[3], true) . "</pre>"; break; |
390
|
|
|
//case 'INCL': include($matches[2]); break; |
391
|
|
|
case 'INFO': return "<div class='info' markdown=1>"; break; |
392
|
|
|
case '/INFO': return "</div>"; break; |
393
|
|
|
case 'BASEURL': return CLydia::Instance()->request->base_url; break; |
394
|
|
|
case 'FIGURE': return CTextFilter::ShortCodeFigure($matches[2]); break; |
395
|
|
|
case 'FIGURE-SVG': return CTextFilter::ShortCodeSVGFigure($matches[2]); break; |
396
|
|
|
case 'ASCIINEMA': return CTextFilter::ShortCodeAsciinema($matches[2]); break; |
397
|
|
|
default: return "{$matches[1]} IS UNKNOWN SHORTTAG."; break; |
398
|
|
|
} |
399
|
|
|
}; |
400
|
|
|
$patterns = array( |
401
|
|
|
'#\[(BASEURL)\]#', |
402
|
|
|
//'/\[(AUTHOR) name=(.+) email=(.+) url=(.+)\]/', |
403
|
|
|
'/\[(FIGURE)[\s+](.+)\]/', |
404
|
|
|
'/\[(FIGURE-SVG)[\s+](.+)\]/', |
405
|
|
|
'/\[(ASCIINEMA)[\s+](.+)\]/', |
406
|
|
|
'/\[(IMG) src=(.+) alt=(.+)\]/', |
407
|
|
|
'/\[(IMG2) src=(.+) alt="(.+)" class="(.+)"\]/', |
408
|
|
|
'/\[(BOOK) isbn=(.+)\]/', |
409
|
|
|
'/\[(YOUTUBE) src=(.+) width=(.+) caption=(.+)\]/', |
410
|
|
|
'/~~~(syntax=)(php|html|html5|css|sql|javascript|bash)\n([^~]+)\n~~~/s', |
411
|
|
|
'/(```)(php|html|html5|css|sql|javascript|bash|text|txt|python)\n([^`]+)\n```/s', |
412
|
|
|
//'/\[(INCL)/s*([^\]+)/', |
413
|
|
|
'#\[(INFO)\]#', '#\[(/INFO)\]#', |
414
|
|
|
); |
415
|
|
|
|
416
|
|
|
$ret = preg_replace_callback($patterns, $callback, $text); |
417
|
|
|
return $ret; |
418
|
|
|
} |
419
|
|
|
*/ |
420
|
|
|
} |
421
|
|
|
|
The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.