<?php /** * @file include/Smilies.php * @brief This file contains the Smilies class which contains functions to handle smiles * * @todo Use the shortcodes from here: * https://github.com/iamcal/emoji-data/blob/master/emoji_pretty.json?raw=true * https://raw.githubusercontent.com/emojione/emojione/master/extras/alpha-codes/eac.json?raw=true * https://github.com/johannhof/emoji-helper/blob/master/data/emoji.json?raw=true * * Have also a look here: * https://www.webpagefx.com/tools/emoji-cheat-sheet/ */ use Friendica\App; use Friendica\Core\Config; use Friendica\Core\PConfig; use Friendica\Core\System; /** * This class contains functions to handle smiles */ class Smilies { /** * @brief Replaces/adds the emoticon list * * This function should be used whenever emoticons are added * * @param array $b Array of emoticons * @param string $smiley The text smilie * @param string $representation The replacement */ public static function add(&$b, $smiley, $representation) { $found = array_search($smiley, $b['texts']); if (!is_int($found)) { $b['texts'][] = $smiley; $b['icons'][] = $representation; } else { $b['icons'][$found] = $representation; } } /** * @brief Function to list all smilies * * Get an array of all smilies, both internal and from addons. * * @return array * 'texts' => smilie shortcut * 'icons' => icon in html * * @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array) */ public static function get_list() { $texts = array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':-P', ':-p', ':-"', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O', ':-O', '\\o/', 'o.O', 'O.o', 'o_O', 'O_o', ":'(", ":-!", ":-/", ":-[", "8-)", ':beer', ':homebrew', ':coffee', ':facepalm', ':like', ':dislike', '~friendica', 'red#', 'red#matrix' ); $icons = array( '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-heart.gif" alt="<3" title="<3" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-brokenheart.gif" alt="</3" title="</3" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-brokenheart.gif" alt="<\\3" title="<\\3" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-smile.gif" alt=":-)" title=":-)" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-wink.gif" alt=";-)" title=";-)" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-frown.gif" alt=":-(" title=":-(" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-tongue-out.gif" alt=":-P" title=":-P" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-tongue-out.gif" alt=":-p" title=":-P" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-\" title=":-\" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-\" title=":-\" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-x" title=":-x" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-kiss.gif" alt=":-X" title=":-X" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-laughing.gif" alt=":-D" title=":-D" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt="8-|" title="8-|" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt="8-O" title="8-O" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-surprised.gif" alt=":-O" title="8-O" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-thumbsup.gif" alt="\\o/" title="\\o/" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="o.O" title="o.O" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="O.o" title="O.o" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="o_O" title="o_O" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-Oo.gif" alt="O_o" title="O_o" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-cry.gif" alt=":\'(" title=":\'("/>', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" title=":-!" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-undecided.gif" alt=":-/" title=":-/" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-embarassed.gif" alt=":-[" title=":-[" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-cool.gif" alt="8-)" title="8-)" />', '<img class="smiley" src="' . System::baseUrl() . '/images/beer_mug.gif" alt=":beer" title=":beer" />', '<img class="smiley" src="' . System::baseUrl() . '/images/beer_mug.gif" alt=":homebrew" title=":homebrew" />', '<img class="smiley" src="' . System::baseUrl() . '/images/coffee.gif" alt=":coffee" title=":coffee" />', '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-facepalm.gif" alt=":facepalm" title=":facepalm" />', '<img class="smiley" src="' . System::baseUrl() . '/images/like.gif" alt=":like" title=":like" />', '<img class="smiley" src="' . System::baseUrl() . '/images/dislike.gif" alt=":dislike" title=":dislike" />', '<a href="https://friendi.ca">~friendica <img class="smiley" src="' . System::baseUrl() . '/images/friendica-16.png" alt="~friendica" title="~friendica" /></a>', '<a href="http://redmatrix.me/">red<img class="smiley" src="' . System::baseUrl() . '/images/rm-16.png" alt="red#" title="red#" />matrix</a>', '<a href="http://redmatrix.me/">red<img class="smiley" src="' . System::baseUrl() . '/images/rm-16.png" alt="red#matrix" title="red#matrix" />matrix</a>' ); $params = array('texts' => $texts, 'icons' => $icons); call_hooks('smilie', $params); return $params; } /** * @brief Replaces text emoticons with graphical images * * It is expected that this function will be called using HTML text. * We will escape text between HTML pre and code blocks from being * processed. * * At a higher level, the bbcode [nosmile] tag can be used to prevent this * function from being executed by the prepare_text() routine when preparing * bbcode source for HTML display * * @param string $s Text that should be replaced * @param boolean $sample * @param boolean $no_images Only replace emoticons without images * * @return string HML Output of the Smilie */ public static function replace($s, $sample = false, $no_images = false) { if(intval(Config::get('system','no_smilies')) || (local_user() && intval(PConfig::get(local_user(),'system','no_smilies')))) return $s; $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','self::encode',$s); $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','self::encode',$s); $params = self::get_list(); if ($no_images) { $cleaned = array('texts' => array(), 'icons' => array()); $icons = $params['icons']; foreach ($icons AS $key => $icon) { if (!strstr($icon, '<img ')) { $cleaned['texts'][] = $params['texts'][$key]; $cleaned['icons'][] = $params['icons'][$key]; } } $params = $cleaned; } $params['string'] = $s; if($sample) { $s = '<div class="smiley-sample">'; for($x = 0; $x < count($params['texts']); $x ++) { $s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>'; } } else { $params['string'] = preg_replace_callback('/<(3+)/','self::preg_heart',$params['string']); $s = str_replace($params['texts'],$params['icons'],$params['string']); } $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','self::decode',$s); $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','self::decode',$s); return $s; } private static function encode($m) { return(str_replace($m[1],base64url_encode($m[1]),$m[0])); } private static function decode($m) { return(str_replace($m[1],base64url_decode($m[1]),$m[0])); } /** * @brief expand <3333 to the correct number of hearts * * @param string $x * @return string HTML Output * * @todo: Rework because it doesn't work correctly */ private static function preg_heart($x) { if(strlen($x[1]) == 1) return $x[0]; $t = ''; for($cnt = 0; $cnt < strlen($x[1]); $cnt ++) $t .= '<img class="smiley" src="' . System::baseUrl() . '/images/smiley-heart.gif" alt="<3" />'; $r = str_replace($x[0],$t,$x[0]); return $r; } }