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481 lines
15 KiB
481 lines
15 KiB
1 year ago
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<?php
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namespace Emojione;
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/**
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* Client for Emojione
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*/
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class Client implements ClientInterface
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{
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public $ascii = false; // convert ascii smileys?
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public $unicodeAlt = true; // use the unicode char as the alt attribute (makes copy and pasting the resulting text better)
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public $imageType = 'png'; // or svg
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public $cacheBustParam = '?v=2.2.5';
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public $sprites = false;
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public $imagePathPNG = '//cdn.jsdelivr.net/emojione/assets/png/';
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public $imagePathSVG = '//cdn.jsdelivr.net/emojione/assets/svg/';
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public $imagePathSVGSprites = './../../assets/sprites/emojione.sprites.svg';
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public $unicode_replaceWith = false;
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public $ignoredRegexp = '<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>';
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public $unicodeRegexp = '([*#0-9](?>\\xEF\\xB8\\x8F)?\\xE2\\x83\\xA3|\\xC2[\\xA9\\xAE]|\\xE2..(\\xF0\\x9F\\x8F[\\xBB-\\xBF])?(?>\\xEF\\xB8\\x8F)?|\\xE3(?>\\x80[\\xB0\\xBD]|\\x8A[\\x97\\x99])(?>\\xEF\\xB8\\x8F)?|\\xF0\\x9F(?>[\\x80-\\x86].(?>\\xEF\\xB8\\x8F)?|\\x87.\\xF0\\x9F\\x87.|..((\\xE2\\x80\\x8D\\xF0\\x9F\\x97\\xA8)|(\\xF0\\x9F\\x8F[\\xBB-\\xBF])|(\\xE2\\x80\\x8D\\xF0\\x9F\\x91[\\xA6-\\xA9]){2,3}|(\\xE2\\x80\\x8D\\xE2\\x9D\\xA4\\xEF\\xB8\\x8F\\xE2\\x80\\x8D\\xF0\\x9F..(\\xE2\\x80\\x8D\\xF0\\x9F\\x91[\\xA6-\\xA9])?))?))';
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public $shortcodeRegexp = ':([-+\\w]+):';
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protected $ruleset = null;
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public function __construct(RulesetInterface $ruleset = null)
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{
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if ( ! is_null($ruleset) )
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{
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$this->ruleset = $ruleset;
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}
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}
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// ##########################################
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// ######## core methods
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// ##########################################
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/**
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* First pass changes unicode characters into emoji markup.
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* Second pass changes any shortnames into emoji markup.
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*
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* @param string $string The input string.
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* @return string String with appropriate html for rendering emoji.
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*/
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public function toImage($string)
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{
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$string = $this->unicodeToImage($string);
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$string = $this->shortnameToImage($string);
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return $string;
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}
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/**
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* Uses toShort to transform all unicode into a standard shortname
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* then transforms the shortname into unicode.
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* This is done for standardization when converting several unicode types.
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*
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* @param string $string The input string.
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* @return string String with standardized unicode.
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*/
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public function unifyUnicode($string)
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{
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$string = $this->toShort($string);
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$string = $this->shortnameToUnicode($string);
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return $string;
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}
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/**
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* This will output unicode from shortname input.
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* If Client/$ascii is true it will also output unicode from ascii.
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* This is useful for sending emojis back to mobile devices.
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*
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* @param string $string The input string.
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* @return string String with unicode replacements.
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*/
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public function shortnameToUnicode($string)
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{
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$string = preg_replace_callback('/'.$this->ignoredRegexp.'|('.$this->shortcodeRegexp.')/Si', array($this, 'shortnameToUnicodeCallback'), $string);
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if ($this->ascii)
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{
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$ruleset = $this->getRuleset();
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$asciiRegexp = $ruleset->getAsciiRegexp();
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$string = preg_replace_callback('/'.$this->ignoredRegexp.'|((\\s|^)'.$asciiRegexp.'(?=\\s|$|[!,.?]))/S', array($this, 'asciiToUnicodeCallback'), $string);
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}
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return $string;
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}
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/**
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* This will replace shortnames with their ascii equivalent.
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* ex. :wink: --> ;^)
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* This is useful for systems that don't support unicode or images.
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*
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* @param string $string The input string.
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* @return string String with ascii replacements.
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*/
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public function shortnameToAscii($string)
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{
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$string = preg_replace_callback('/'.$this->ignoredRegexp.'|('.$this->shortcodeRegexp.')/Si', array($this, 'shortnameToAsciiCallback'), $string);
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return $string;
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}
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/**
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* This will output image markup (for png or svg) from shortname input.
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*
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* @param string $string The input string.
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* @return string String with appropriate html for rendering emoji.
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*/
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public function shortnameToImage($string)
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{
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$string = preg_replace_callback('/'.$this->ignoredRegexp.'|('.$this->shortcodeRegexp.')/Si', array($this, 'shortnameToImageCallback'), $string);
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if ($this->ascii)
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{
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$ruleset = $this->getRuleset();
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$asciiRegexp = $ruleset->getAsciiRegexp();
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$string = preg_replace_callback('/'.$this->ignoredRegexp.'|((\\s|^)'.$asciiRegexp.'(?=\\s|$|[!,.?]))/S', array($this, 'asciiToImageCallback'), $string);
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}
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return $string;
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}
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/**
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* This will return the shortname from unicode input.
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*
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* @param string $string The input string.
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* @return string shortname
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*/
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public function toShort($string)
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{
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return preg_replace_callback('/'.$this->ignoredRegexp.'|'.$this->unicodeRegexp.'/S', array($this, 'toShortCallback'), $string);
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}
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/**
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* This will output image markup (for png or svg) from unicode input.
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*
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* @param string $string The input string.
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* @return string String with appropriate html for rendering emoji.
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*/
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public function unicodeToImage($string)
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{
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return preg_replace_callback('/'.$this->ignoredRegexp.'|'.$this->unicodeRegexp.'/S', array($this, 'unicodeToImageCallback'), $string);
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}
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// ##########################################
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// ######## preg_replace callbacks
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// ##########################################
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string Ascii replacement result.
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*/
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public function shortnameToAsciiCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[1])) || (empty($m[1])))
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{
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return $m[0];
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}
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else
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{
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$ruleset = $this->getRuleset();
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$shortcode_replace = $ruleset->getShortcodeReplace();
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$ascii_replace = $ruleset->getAsciiReplace();
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$aflipped = array_flip($ascii_replace);
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$shortname = $m[0];
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if (!isset($shortcode_replace[$shortname]))
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{
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return $m[0];
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}
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$unicode = $shortcode_replace[$shortname];
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return isset($aflipped[$unicode]) ? $aflipped[$unicode] : $m[0];
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}
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}
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string Unicode replacement result.
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*/
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public function shortnameToUnicodeCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[1])) || (empty($m[1]))) {
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return $m[0];
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}
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else {
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$ruleset = $this->getRuleset();
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$unicode_replace = $ruleset->getUnicodeReplace();
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$shortname = $m[1];
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if (!array_key_exists($shortname, $unicode_replace)) {
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return $m[0];
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}
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$unicode = $unicode_replace[$shortname];
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return $unicode;
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}
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}
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string Image HTML replacement result.
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*/
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public function shortnameToImageCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[1])) || (empty($m[1]))) {
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return $m[0];
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}
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else {
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$ruleset = $this->getRuleset();
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$shortcode_replace = $ruleset->getShortcodeReplace();
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$shortname = $m[1];
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if (!isset($shortcode_replace[$shortname]))
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{
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return $m[0];
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}
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$unicode = $shortcode_replace[$shortname];
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$filename = $unicode;
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if ($this->unicodeAlt)
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{
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$alt = $this->convert($unicode);
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}
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else
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{
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$alt = $shortname;
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}
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if ($this->imageType == 'png')
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{
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if ($this->sprites)
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{
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return '<span class="emojione emojione-'.$unicode.'" title="'.htmlspecialchars($shortname).'">'.$alt.'</span>';
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}
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else
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{
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return '<img class="emojione" data-shortname="'.$shortname.'" alt="'.$alt.'" src="'.$this->imagePathPNG.$filename.'.png'.$this->cacheBustParam.'"/>';
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}
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}
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if ($this->sprites)
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{
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return '<svg class="emojione"><description>'.$alt.'</description><use xlink:href="'.$this->imagePathSVGSprites.'#emoji-'.$unicode.'"></use></svg>';
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}
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else
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{
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return '<object class="emojione" data="'.$this->imagePathSVG.$filename.'.svg'.$this->cacheBustParam.'" type="image/svg+xml" standby="'.$alt.'">'.$alt.'</object>';
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}
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}
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}
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string Unicode replacement result.
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*/
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public function asciiToUnicodeCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[3])) || (empty($m[3])))
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{
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return $m[0];
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}
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else
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{
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$ruleset = $this->getRuleset();
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$ascii_replace = $ruleset->getAsciiReplace();
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$shortname = $m[3];
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$unicode = $ascii_replace[$shortname];
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return $m[2].$this->convert($unicode);
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}
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}
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string Image HTML replacement result.
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*/
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public function asciiToImageCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[3])) || (empty($m[3])))
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{
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return $m[0];
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}
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else
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{
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$ruleset = $this->getRuleset();
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$ascii_replace = $ruleset->getAsciiReplace();
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$shortname = html_entity_decode($m[3]);
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$unicode = $ascii_replace[$shortname];
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// unicode char or shortname for the alt tag? (unicode is better for copying and pasting the resulting text)
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if ($this->unicodeAlt)
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{
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$alt = $this->convert($unicode);
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}
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else
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{
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$alt = htmlspecialchars($shortname);
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}
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if ($this->imageType == 'png')
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{
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if ($this->sprites)
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{
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return $m[2].'<span class="emojione emojione-'.$unicode.'" title="'.htmlspecialchars($shortname).'">'.$alt.'</span>';
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}
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else
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{
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return $m[2].'<img class="emojione" alt="'.$alt.'" src="'.$this->imagePathPNG.$unicode.'.png'.$this->cacheBustParam.'"/>';
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}
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}
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if ($this->sprites)
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{
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return $m[2].'<svg class="emojione"><description>'.$alt.'</description><use xlink:href="'.$this->imagePathSVGSprites.'#emoji-'.$unicode.'"></use></svg>';
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}
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else
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{
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return $m[2].'<object class="emojione" data="'.$this->imagePathSVG.$unicode.'.svg'.$this->cacheBustParam.'" type="image/svg+xml" standby="'.$alt.'">'.$alt.'</object>';
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}
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}
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}
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/**
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* @param array $m Results of preg_replace_callback().
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* @return string shortname result
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*/
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public function toShortCallback($m)
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{
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if ((!is_array($m)) || (!isset($m[1])) || (empty($m[1])))
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{
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return $m[0];
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}
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else
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{
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$ruleset = $this->getRuleset();
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$unicode_replace = $ruleset->getUnicodeReplace();
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$unicode = $m[1];
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if (!in_array($unicode, $unicode_replace))
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{
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$unicode .= "\xEF\xB8\x8F";
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if (!in_array($unicode, $unicode_replace))
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{
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$unicode = substr($m[1], 0, 4);
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if (!in_array($unicode, $unicode_replace))
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{
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return $m[0];
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}
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}
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}
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return array_search($unicode, $unicode_replace);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param array $m Results of preg_replace_callback().
|
||
|
|
* @return string Image HTML replacement result.
|
||
|
|
*/
|
||
|
|
public function unicodeToImageCallback($m)
|
||
|
|
{
|
||
|
|
if ((!is_array($m)) || (!isset($m[1])) || (empty($m[1])))
|
||
|
|
{
|
||
|
|
return $m[0];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$ruleset = $this->getRuleset();
|
||
|
|
$shortcode_replace = $ruleset->getShortcodeReplace();
|
||
|
|
$unicode_replace = $ruleset->getUnicodeReplace();
|
||
|
|
|
||
|
|
$unicode = $m[1];
|
||
|
|
|
||
|
|
if (!in_array($unicode, $unicode_replace))
|
||
|
|
{
|
||
|
|
$unicode .= "\xEF\xB8\x8F";
|
||
|
|
|
||
|
|
if (!in_array($unicode, $unicode_replace))
|
||
|
|
{
|
||
|
|
$unicode = substr($m[1], 0, 4);
|
||
|
|
|
||
|
|
if (!in_array($unicode, $unicode_replace))
|
||
|
|
{
|
||
|
|
return $m[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$shortname = array_search($unicode, $unicode_replace);
|
||
|
|
$filename = $shortcode_replace[$shortname];
|
||
|
|
|
||
|
|
if ($this->unicodeAlt)
|
||
|
|
{
|
||
|
|
$alt = $unicode;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$alt = $shortname;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->imageType == 'png')
|
||
|
|
{
|
||
|
|
if ($this->sprites)
|
||
|
|
{
|
||
|
|
return '<span class="emojione emojione-'.$filename.'" title="'.htmlspecialchars($shortname).'">'.$alt.'</span>';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return '<img class="emojione" alt="'.$alt.'" src="'.$this->imagePathPNG.$filename.'.png'.$this->cacheBustParam.'"/>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->sprites)
|
||
|
|
{
|
||
|
|
return '<svg class="emojione"><description>'.$alt.'</description><use xlink:href="'.$this->imagePathSVGSprites.'#emoji-'.$filename.'"></use></svg>';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return '<object class="emojione" data="'.$this->imagePathSVG.$filename.'.svg'.$this->cacheBustParam.'" type="image/svg+xml" standby="'.$alt.'">'.$alt.'</object>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ##########################################
|
||
|
|
// ######## helper methods
|
||
|
|
// ##########################################
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts from unicode to hexadecimal NCR.
|
||
|
|
*
|
||
|
|
* @param string $unicode unicode character/s
|
||
|
|
* @return string hexadecimal NCR
|
||
|
|
* */
|
||
|
|
public function convert($unicode)
|
||
|
|
{
|
||
|
|
if (stristr($unicode,'-'))
|
||
|
|
{
|
||
|
|
$pairs = explode('-',$unicode);
|
||
|
|
return '&#x'.implode(';&#x',$pairs).';';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return '&#x'.$unicode.';';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the Ruleset
|
||
|
|
*
|
||
|
|
* @return RulesetInterface The Ruleset
|
||
|
|
*/
|
||
|
|
public function getRuleset()
|
||
|
|
{
|
||
|
|
if ( $this->ruleset === null )
|
||
|
|
{
|
||
|
|
$this->ruleset = new Ruleset;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->ruleset;
|
||
|
|
}
|
||
|
|
}
|