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:      * Returns a string with all passed variables interpolated into the original
29:      * message. Variables are interpolated using the MessageFormatter class.
30:      *
31:      * @param string $locale The locale in which the message is presented.
32:      * @param string|array $message The message to be translated
33:      * @param array $vars The list of values to interpolate in the message
34:      * @return string The formatted message
35:      * @throws \Aura\Intl\Exception\CannotFormat
36:      * @throws \Aura\Intl\Exception\CannotInstantiateFormatter
37:      */
38:     public function format($locale, $message, array $vars)
39:     {
40:         unset($vars['_singular'], $vars['_count']);
41: 
42:         return $this->_formatMessage($locale, $message, $vars);
43:     }
44: 
45:     /**
46:      * Does the actual formatting using the MessageFormatter class
47:      *
48:      * @param string $locale The locale in which the message is presented.
49:      * @param string|array $message The message to be translated
50:      * @param array $vars The list of values to interpolate in the message
51:      * @return string The formatted message
52:      * @throws \Aura\Intl\Exception\CannotInstantiateFormatter if any error occurred
53:      * while parsing the message
54:      * @throws \Aura\Intl\Exception\CannotFormat If any error related to the passed
55:      * variables is found
56:      */
57:     protected function _formatMessage($locale, $message, $vars)
58:     {
59:         if ($message === '') {
60:             return $message;
61:         }
62:         // Using procedural style as it showed twice as fast as
63:         // its counterpart in PHP 5.5
64:         $result = MessageFormatter::formatMessage($locale, $message, $vars);
65: 
66:         if ($result === false) {
67:             // The user might be interested in what went wrong, so replay the
68:             // previous action using the object oriented style to figure out
69:             $formatter = new MessageFormatter($locale, $message);
70:             if (!$formatter) {
71:                 throw new CannotInstantiateFormatter(intl_get_error_message(), intl_get_error_code());
72:             }
73: 
74:             $formatter->format($vars);
75:             throw new CannotFormat($formatter->getErrorMessage(), $formatter->getErrorCode());
76:         }
77: 
78:         return $result;
79:     }
80: }
81: