<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\Locale\Stub;

/**

 * Provides fake static versions of the global functions in the intl extension

 *

 * @author Bernhard Schussek <bernhard.schussek@symfony.com>

 */

abstract class StubIntl

{

    /**

     * Indicates that no error occurred

     * @var integer

     */

    const U_ZERO_ERROR = 0;

    /**

     * Indicates that an invalid argument was passed

     * @var integer

     */

    const U_ILLEGAL_ARGUMENT_ERROR = 1;

    /**

     * Indicates that the parse() operation failed

     * @var integer

     */

    const U_PARSE_ERROR = 9;

    /**

     * All known error codes

     * @var array

     */

    private static $errorCodes = array(

        self::U_ZERO_ERROR,

        self::U_ILLEGAL_ARGUMENT_ERROR,

        self::U_PARSE_ERROR,

    );

    /**

     * The error messages of all known error codes

     * @var array

     */

    private static $errorMessages = array(

        self::U_ZERO_ERROR => 'U_ZERO_ERROR',

        self::U_ILLEGAL_ARGUMENT_ERROR => 'datefmt_format: takes either an array  or an integer timestamp value : U_ILLEGAL_ARGUMENT_ERROR',

        self::U_PARSE_ERROR => 'Date parsing failed: U_PARSE_ERROR',

    );

    /**

     * The error code of the last operation

     * @var integer

     */

    private static $errorCode = self::U_ZERO_ERROR;

    /**

     * Returns whether the error code indicates a failure

     *

     * @param  integer $errorCode The error code returned by StubIntl::getErrorCode()

     * @return Boolean

     */

    static public function isFailure($errorCode) {

        return in_array($errorCode, static::$errorCodes, true)

            && $errorCode !== self::U_ZERO_ERROR;

    }

    /**

     * Returns the error code of the last operation

     *

     * Returns StubIntl::U_ZERO_ERROR if no error occurred.

     *

     * @return integer

     */

    static public function getErrorCode() {

        return static::$errorCode;

    }

    /**

     * Returns the error message of the last operation

     *

     * Returns "U_ZERO_ERROR" if no error occurred.

     *

     * @return string

     */

    static public function getErrorMessage() {

        return static::$errorMessages[static::$errorCode];

    }

    /**

     * Sets the current error code

     *

     * @param  integer $code  One of the error constants in this class

     * @throws \InvalidArgumentException  If the code is not one of the error

     *                                    constants in this class

     */

    static public function setErrorCode($code) {

        if (!isset(static::$errorMessages[$code])) {

            throw new \InvalidArgumentException(sprintf('No such error code: "%s"', $code));

        }

        static::$errorCode = $code;

    }

}