<?php

/**
 * Validates a keyword against a list of valid values.
 * @warning The case-insensitive compare of this function uses PHP's
 *          built-in strtolower and ctype_lower functions, which may
 *          cause problems with international comparisons
 */
class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
{
    /**
     * Lookup table of valid values.
     * @type array
     * @todo Make protected
     */
    public $valid_values = [];

    /**
     * Bool indicating whether or not enumeration is case sensitive.
     * @note In general this is always case insensitive.
     */
    protected $case_sensitive = false;

    /**
     * @param array $valid_values List of valid values
     * @param bool $case_sensitive Whether or not case sensitive
     */
    public function __construct($valid_values = [], $case_sensitive = false)
    {
        $this->valid_values = array_flip($valid_values);
        $this->case_sensitive = $case_sensitive;
    }

    /**
     * @param string $string
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool|string
     */
    public function validate($string, $config, $context)
    {
        $string = trim($string);
        if (!$this->case_sensitive) {
            // we may want to do full case-insensitive libraries
            $string = ctype_lower($string) ? $string : strtolower($string);
        }
        $result = isset($this->valid_values[$string]);

        return $result ? $string : false;
    }

    /**
     * @param string $string In form of comma-delimited list of case-insensitive
     *      valid values. Example: "foo,bar,baz". Prepend "s:" to make
     *      case sensitive
     * @return HTMLPurifier_AttrDef_Enum
     */
    public function make($string)
    {
        if (strlen($string) > 2 && $string[0] == 's' && $string[1] == ':') {
            $string = substr($string, 2);
            $sensitive = true;
        } else {
            $sensitive = false;
        }
        $values = explode(',', $string);
        return new HTMLPurifier_AttrDef_Enum($values, $sensitive);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjExNjMwNzUwNjM1MDU5MiA1NzMxNDQzMTEyODQxOTQzIDI3ODcyNTcwMDQzNDQzOTg=