1: <?php
 2: /**
 3:  * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 4:  * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 5:  *
 6:  * Licensed under The MIT License
 7:  * For full copyright and license information, please see the LICENSE.txt
 8:  * Redistributions of files must retain the above copyright notice.
 9:  *
10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
11:  * @link          https://cakephp.org CakePHP(tm) Project
12:  * @since         3.0.0
13:  * @license       https://opensource.org/licenses/mit-license.php MIT License
14:  */
15: namespace Cake\I18n\Formatter;
16: 
17: use Aura\Intl\Exception\CannotFormat;
18: use Aura\Intl\Exception\CannotInstantiateFormatter;
19: use Aura\Intl\FormatterInterface;
20: use MessageFormatter;
21: 
22: /**
23:  * A formatter that will interpolate variables using the MessageFormatter class
24:  */
25: class IcuFormatter implements FormatterInterface
26: {
27: 
28:     /**
29:      * Returns a string with all passed variables interpolated into the original
30:      * message. Variables are interpolated using the MessageFormatter class.
31:      *
32:      * @param string $locale The locale in which the message is presented.
33:      * @param string|array $message The message to be translated
34:      * @param array $vars The list of values to interpolate in the message
35:      * @return string The formatted message
36:      * @throws \Aura\Intl\Exception\CannotFormat
37:      * @throws \Aura\Intl\Exception\CannotInstantiateFormatter
38:      */
39:     public function format($locale, $message, array $vars)
40:     {
41:         unset($vars['_singular'], $vars['_count']);
42: 
43:         return $this->_formatMessage($locale, $message, $vars);
44:     }
45: 
46:     /**
47:      * Does the actual formatting using the MessageFormatter class
48:      *
49:      * @param string $locale The locale in which the message is presented.
50:      * @param string|array $message The message to be translated
51:      * @param array $vars The list of values to interpolate in the message
52:      * @return string The formatted message
53:      * @throws \Aura\Intl\Exception\CannotInstantiateFormatter if any error occurred
54:      * while parsing the message
55:      * @throws \Aura\Intl\Exception\CannotFormat If any error related to the passed
56:      * variables is found
57:      */
58:     protected function _formatMessage($locale, $message, $vars)
59:     {
60:         if ($message === '') {
61:             return $message;
62:         }
63:         // Using procedural style as it showed twice as fast as
64:         // its counterpart in PHP 5.5
65:         $result = MessageFormatter::formatMessage($locale, $message, $vars);
66: 
67:         if ($result === false) {
68:             // The user might be interested in what went wrong, so replay the
69:             // previous action using the object oriented style to figure out
70:             $formatter = new MessageFormatter($locale, $message);
71:             if (!$formatter) {
72:                 throw new CannotInstantiateFormatter(intl_get_error_message(), intl_get_error_code());
73:             }
74: 
75:             $formatter->format($vars);
76:             throw new CannotFormat($formatter->getErrorMessage(), $formatter->getErrorCode());
77:         }
78: 
79:         return $result;
80:     }
81: }
82: