<?php

/**
 * Validates a Percentage as defined by the CSS spec.
 */
class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef
{
    /**
     * Instance to defer number validation to.
     * @type HTMLPurifier_AttrDef_CSS_Number
     */
    protected $number_def;

    /**
     * @param bool $non_negative Whether to forbid negative values
     */
    public function __construct($non_negative = false)
    {
        $this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative);
    }

    /**
     * @param string $string
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool|string
     */
    public function validate($string, $config, $context)
    {
        $string = $this->parseCDATA($string);

        if ($string === '') {
            return false;
        }
        $length = strlen($string);
        if ($length === 1) {
            return false;
        }
        if ($string[$length - 1] !== '%') {
            return false;
        }

        $number = substr($string, 0, $length - 1);
        $number = $this->number_def->validate($number, $config, $context);

        if ($number === false) {
            return false;
        }
        return "$number%";
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTQ0MDA5MjgwMTg4OTQ5OSAzODgwMzEyNzEyNDMxNjAwIDg0NjkwMTQzOTcyMTQxOTY=