Legacy textparse class removed. Separate emote and profanity classes.

e107_handlers/e_profanity_class.php

@@ -0,0 +1,80 @@
+<?php
+
+
+class e_profanity
+{
+
+	protected $profanityList;
+	private $pref;
+
+	public function __construct()
+	{
+
+		$this->pref = e107::getPref();
+
+		if(empty($this->pref['profanity_words']))
+		{
+			return null;
+		}
+
+		$words = explode(',', $this->pref['profanity_words']);
+		$word_array = array();
+		foreach($words as $word)
+		{
+			$word = trim($word);
+			if($word != '')
+			{
+				$word_array[] = $word;
+				if(strpos($word, '&#036;') !== false)
+				{
+					$word_array[] = str_replace('&#036;', '\$', $word);        // Special case - '$' may be 'in clear' or as entity
+				}
+			}
+		}
+		if(count($word_array))
+		{
+			$this->profanityList = str_replace('#', '\#', implode("\b|\b", $word_array));        // We can get entities in the string - confuse the regex delimiters
+		}
+		unset($words);
+
+		return true;
+	}
+
+	/**
+	 * @param $text
+	 * @return string|string[]|null
+	 */
+	public function filterProfanities($text)
+	{
+
+		if(empty($this->profanityList))
+		{
+			return $text;
+		}
+
+		if(!empty($this->pref['profanity_replace']))
+		{
+			return preg_replace("#\b" . $this->profanityList . "\b#is", $this->pref['profanity_replace'], $text);
+		}
+
+		return preg_replace_callback("#\b" . $this->profanityList . "\b#is", array($this, 'replaceProfanities'), $text);
+	}
+
+	/**
+	 *
+	 * @param $matches
+	 * @return string|string[]|null
+	 */
+	public function replaceProfanities($matches)
+	{
+
+		/*!
+		@function replaceProfanities callback
+		@abstract replaces vowels in profanity words with stars
+		@param text string - text string to be filtered
+		@result filtered text
+		*/
+
+		return preg_replace('#a|e|i|o|u#i', '*', $matches[0]);
+	}
+}