Subversion Repositories oidplus

<?php

namespace RobRichards\XMLSecLibs\Utils;

class XPath

{

    const ALPHANUMERIC = '\w\d';

    const NUMERIC = '\d';

    const LETTERS = '\w';

    const EXTENDED_ALPHANUMERIC = '\w\d\s\-_:\.';

    const SINGLE_QUOTE = '\'';

    const DOUBLE_QUOTE = '"';

    const ALL_QUOTES = '[\'"]';

    /**

     * Filter an attribute value for save inclusion in an XPath query.

     *

     * @param string $value The value to filter.

     * @param string $quotes The quotes used to delimit the value in the XPath query.

     *

     * @return string The filtered attribute value.

     */

    public static function filterAttrValue($value, $quotes = self::ALL_QUOTES)

    {

        return preg_replace('#'.$quotes.'#', '', $value);

    }

    /**

     * Filter an attribute name for save inclusion in an XPath query.

     *

     * @param string $name The attribute name to filter.

     * @param mixed $allow The set of characters to allow. Can be one of the constants provided by this class, or a

     * custom regex excluding the '#' character (used as delimiter).

     *

     * @return string The filtered attribute name.

     */

    public static function filterAttrName($name, $allow = self::EXTENDED_ALPHANUMERIC)

    {

        return preg_replace('#[^'.$allow.']#', '', $name);

    }

}