1: <?php
  2: /**
  3:  * Interface to NLS configuration.
  4:  *
  5:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
  6:  *
  7:  * See the enclosed file COPYING for license information (LGPL). If you
  8:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
  9:  *
 10:  * @author   Michael Slusarz <slusarz@horde.org>
 11:  * @category Horde
 12:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
 13:  * @package  Core
 14:  */
 15: class Horde_Registry_Nlsconfig
 16: {
 17:     /**
 18:      * The cached configuration data.
 19:      *
 20:      * @var array
 21:      */
 22:     protected $_config;
 23: 
 24:     /**
 25:      */
 26:     public function __get($name)
 27:     {
 28:         /* These entries can be cached in the session. */
 29:         $cached = array(
 30:             'curr_charset',
 31:             'curr_default',
 32:             'curr_emails',
 33:             'curr_multibyte',
 34:             'curr_rtl'
 35:         );
 36: 
 37:         if (in_array($name, $cached) &&
 38:             $GLOBALS['session']->exists('horde', 'nls/' . $name)) {
 39:             return $GLOBALS['session']->get('horde', 'nls/' . $name);
 40:         }
 41: 
 42:         if (!isset($this->_config)) {
 43:             $this->_config = Horde::loadConfiguration('nls.php', 'horde_nls_config', 'horde');
 44:         }
 45: 
 46:         switch ($name) {
 47:         case 'aliases':
 48:         case 'charsets':
 49:         case 'encodings':
 50:         case 'emails':
 51:         case 'languages':
 52:         case 'multibyte':
 53:         case 'rtl':
 54:         case 'spelling':
 55:             $ret = isset($this->_config[$name])
 56:                 ? $this->_config[$name]
 57:                 : array();
 58:             break;
 59: 
 60:         case 'charsets_sort':
 61:             $ret = $this->charsets;
 62:             natcasesort($ret);
 63:             break;
 64: 
 65:         case 'curr_charset':
 66:             /* Return charset for the current language. */
 67:             $ret = isset($this->_config['charsets'][$GLOBALS['language']])
 68:                 ? $this->_config['charsets'][$GLOBALS['language']]
 69:                 : null;
 70:             break;
 71: 
 72:         case 'curr_default':
 73:             /* The default langauge, as specified by the config file. */
 74:             $ret = isset($this->_config['defaults']['language'])
 75:                 ? $this->_config['defaults']['language']
 76:                 : null;
 77:             break;
 78: 
 79:         case 'curr_emails':
 80:             /* Return e-mail charset for the current language. */
 81:             $ret = isset($this->_config['emails'][$GLOBALS['language']])
 82:                 ? $this->_config['emails'][$GLOBALS['language']]
 83:                 : null;
 84:             break;
 85: 
 86:         case 'curr_multibyte':
 87:             /* Is the current language charset multibyte? */
 88:             $ret = isset($this->_config['multibyte'][$GLOBALS['registry']->getLanguageCharset()]);
 89:             break;
 90: 
 91:         case 'curr_rtl':
 92:             /* Is the current language RTL? */
 93:             $ret = isset($this->_config['rtl'][$GLOBALS['language']]);
 94:             break;
 95: 
 96:         case 'encodings_sort':
 97:             $ret = $this->encodings;
 98:             asort($ret);
 99:             break;
100: 
101:         default:
102:             $ret = null;
103:             break;
104:         }
105: 
106:         if (in_array($name, $cached)) {
107:             $GLOBALS['session']->set('horde', 'nls/' . $name, $ret);
108:         }
109: 
110:         return $ret;
111:     }
112: 
113:     /**
114:      * Check whether a language string is valid.
115:      *
116:      * @param string $lang  The language to check.
117:      *
118:      * @return boolean  Whether the language is valid.
119:      */
120:     public function validLang($lang)
121:     {
122:         if (!$GLOBALS['session']->exists('horde', 'nls/valid_' . $lang)) {
123:             $GLOBALS['session']->set('horde', 'nls/valid_' . $lang, isset($this->languages[$lang]));
124:         }
125: 
126:         return $GLOBALS['session']->get('horde', 'nls/valid_' . $lang);
127:     }
128: 
129: }
130: