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<?php |
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/** |
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* |
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* Topic Preview |
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* |
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* @copyright (c) 2014 Matt Friedman |
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* @license GNU General Public License, version 2 (GPL-2.0) |
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* |
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*/ |
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namespace vse\topicpreview\core; |
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class trim_tools |
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{ |
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/** @var \phpbb\config\config */ |
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protected $config; |
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/** @var \phpbb\textformatter\s9e\utils */ |
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protected $text_formatter_utils; |
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/** @var string|array BBcodes to be removed */ |
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protected $strip_bbcodes; |
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/** |
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* Constructor |
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* |
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* @param \phpbb\config\config $config |
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* @param \phpbb\textformatter\s9e\utils $text_formatter_utils |
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* @access public |
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*/ |
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public function __construct(\phpbb\config\config $config, \phpbb\textformatter\s9e\utils $text_formatter_utils = null) |
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{ |
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$this->config = $config; |
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$this->text_formatter_utils = $text_formatter_utils; |
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} |
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/** |
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* Trim and clean text |
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* |
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* @param string $message Message text |
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* @param int $length The length to trim text to |
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* @return string Trimmed message text |
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* @access protected |
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*/ |
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public function trim_text($message, $length) |
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{ |
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$message = $this->remove_markup($message); |
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if (utf8_strlen($message) <= $length) |
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{ |
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return $this->tp_nl2br($message); |
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} |
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// trim the text to the last whitespace character before the cut-off |
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$message = preg_replace('/\s+?(\S+)?$/', '', utf8_substr($message, 0, $length)); |
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return $this->tp_nl2br($message) . '...'; |
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} |
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/** |
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* Strip BBCodes, tags and links from text |
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* |
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* @param string $message Message text |
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* @return string Cleaned message text |
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* @access protected |
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*/ |
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protected function remove_markup($message) |
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{ |
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$message = smiley_text($message, true); // display smileys as text :) |
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$message = $this->remove_bbcode_contents($message); |
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static $patterns = array(); |
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if (empty($patterns)) |
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{ |
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// RegEx patterns based on Topic Text Hover Mod by RMcGirr83 |
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$patterns = array( |
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'#<!-- [lmw] --><a class="postlink[^>]*>(.*<\/a[^>]*>)?<!-- [lmw] -->#Usi', // Magic URLs |
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'#<[^>]*>(.*<[^>]*>)?#Usi', // HTML code |
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'#\[/?[^\[\]]+\]#mi', // All BBCode tags |
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'#(http|https|ftp|mailto)(:|\&\#58;)\/\/[^\s]+#i', // Remaining URLs |
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'#"#', // Possible un-encoded quotes from older board conversions |
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'#[ \t]{2,}#' // Multiple spaces #[\s]+# |
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); |
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} |
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return trim(preg_replace($patterns, ' ', $message)); |
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} |
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/** |
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* Strip special BBCodes and their contents |
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* |
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* @param string $message Message text |
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* @return string Stripped message text |
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* @access protected |
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*/ |
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protected function remove_bbcode_contents($message) |
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{ |
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if ($this->text_formatter_utils == null) |
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{ |
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return $this->strip_bbcode_contents($message); |
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} |
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if (!isset($this->strip_bbcodes)) |
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{ |
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$this->strip_bbcodes = (!empty($this->config['topic_preview_strip_bbcodes'])) ? explode('|', $this->config['topic_preview_strip_bbcodes']) : array(); |
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array_unshift($this->strip_bbcodes, 'flash'); |
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} |
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foreach ($this->strip_bbcodes as $bbcode) |
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{ |
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$message = $this->text_formatter_utils->remove_bbcode($message, $bbcode); |
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} |
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return $message; |
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} |
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/** |
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* Strip special BBCodes and their contents |
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* Uses recursion to handle nested BBCodes |
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* |
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* @param string $message Message text |
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* @return string Stripped message text |
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* @access protected |
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*/ |
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protected function strip_bbcode_contents($message) |
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{ |
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if (!isset($this->strip_bbcodes)) |
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{ |
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$strip_bbcodes = (!empty($this->config['topic_preview_strip_bbcodes'])) ? 'flash|' . trim($this->config['topic_preview_strip_bbcodes']) : 'flash'; |
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$this->strip_bbcodes = '#\[(' . $strip_bbcodes . ')[^\[\]]*\]((?:(?!\[\1[^\[\]]*\]).)*)\[\/\1[^\[\]]*\]#Usi'; |
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} |
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if (preg_match($this->strip_bbcodes, $message)) |
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{ |
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return $this->strip_bbcode_contents(preg_replace($this->strip_bbcodes, '', $message)); |
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} |
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return $message; |
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} |
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/** |
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* Convert and preserve line breaks |
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* |
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* @param string $message Message text |
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* @return string Message text with line breaks |
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* @access protected |
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*/ |
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protected function tp_nl2br($message) |
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{ |
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// http://stackoverflow.com/questions/816085/removing-redundant-line-breaks-with-regular-expressions |
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return nl2br(preg_replace('/(?:(?:\r\n|\r|\n)\s*){2}/s', "\n\n", $message)); |
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} |
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} |
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iMattPro /
topicpreview
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This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.