<?php
/**
 * Wombat LaTeX
 *
 * @package WB
 * @subpackage LaTeX
 */


/**
 * ValueAce: Base
 *
 * @version 0.1.0
 * @package WB
 * @subpackage LaTeX
 */
class WBLaTeX_Ute extends WBStdClass
{
    /**
     * Quote String for TeX
     *
     * @param mixed $var
     */
    public function quote($var)
    {
        // don't force string replace on numbers
        if (is_numeric($var)) {
            return $var;
        }

        // string replace
        $replace    =   array(
                        '<=>'       => '$\\Leftrightarrow$',
                        '<='        => '$\\Leftarrow$',
                        '=>'        => '$\\Rightarrow$',
                        '"'         =>  "''",
                        "\r\n"      => "\n",
                        '%'         => '\\%',
                        '&nbsp;'    => '~',
                        "\xE2\x80\xAF"          =>  '~', // Narrow No-Break Space (NNBSP)
                        '&'         => '\\&',
                        '_'         => '\\_',
                        // '€'         => '\\EUR',
                        '°'         => '{\\textdegree}',
                        '&reg;'     => '®',
                        '&lt;'      => '<',
                        '&gt;'      => '>',
                        '&ge;'      => '$\ge$',
                        '&le;'      => '$\le$',
                        '&shy;'     => '\\-',
                        '≈'         => '$\\approx$',
                        json_decode("\u200b")   => '\\-',
                        "\xE2\x80\x8B"          =>  '\\-'
                    );

        $sear   =   array_keys($replace);
        $repl   =   array_values($replace);
        $var    =    str_replace($sear, $repl, $var);
        return $var;
    }
}