e107inc/e107

<?php


/**
 *
 */
class e_emote
{

    private $search = array();
    private $replace = array();
    public $emotes;
    private $singleSearch = array();
    private $singleReplace = array();

    public function __construct()
    {

        $pref = e107::getPref();

        if(empty($pref['emotepack']))
        {
            $pref['emotepack'] = 'default';
            e107::getConfig('emote')->clearPrefCache('emote');
            e107::getConfig('core')->set('emotepack', 'default')->save(false, true, false);
        }

        $this->emotes = e107::getConfig('emote')->getPref();

        if(empty($this->emotes))
        {
            return;
        }

        $base = defined('e_HTTP_STATIC') && is_string(e_HTTP_STATIC) ? e_HTTP_STATIC : SITEURLBASE;

        foreach($this->emotes as $key => $value)
        {

            $value = trim($value);

            if($value)
            {    // Only 'activate' emote if there's a substitution string set


                $key = preg_replace("#!(\w{3,}?)$#si", ".\\1", $key);
                // Next two probably to sort out legacy issues - may not be required any more
                //    $key = preg_replace("#_(\w{3})$#", ".\\1", $key);

                $key = str_replace('!', '_', $key);

                $filename = e_IMAGE . 'emotes/' . $pref['emotepack'] . '/' . $key;


                $fileloc = $base . e_IMAGE_ABS . 'emotes/' . $pref['emotepack'] . '/' . $key;

                $alt = str_replace(array('.png', '.gif', '.jpg'), '', $key);

                if(file_exists($filename))
                {
                    $tmp = explode(' ', $value);
                    foreach($tmp as $code)
                    {
                        $img = "<img class='e-emoticon' src='" . $fileloc . "' alt=\"" . $alt . '"  />';

                        $this->search[] = "\n" . $code;
                        $this->replace[] = "\n" . $img;

                        $this->search[] = ' ' . $code;
                        $this->replace[] = ' ' . $img;

                        $this->search[] = '>' . $code; // Fix for emote within html.
                        $this->replace[] = '>' . $img;

                        $this->singleSearch[] = $code;
                        $this->singleReplace[] = $img;

                    }
                }
            }
            else
            {
                unset($this->emotes[$key]);
            }


        }

        //    print_a($this->regSearch);
        //    print_a($this->regReplace);

    }

    /**
     * Return a list of the available emoticons.
     * @return array
     */
    public function getList()
    {

        return $this->emotes;
    }

    /**
     * @param $text
     * @return string
     */
    public function filterEmotes($text)
    {

        if(empty($text))
        {
            return '';
        }

        if(!empty($this->singleSearch) && (strlen($text) < 12) && in_array($text, $this->singleSearch)) // just one emoticon with no space, line-break or html tags around it.
        {
            return str_replace($this->singleSearch, $this->singleReplace, $text);
        }

        return str_replace($this->search, $this->replace, $text);

    }


    /**
     * @param $text
     * @return string|string[]
     */
    public function filterEmotesRev($text)
    {

        return str_replace($this->replace, $this->search, $text);
    }

}