From 25346879b74f67de9074a28d51d1fceb3166d1cb Mon Sep 17 00:00:00 2001
From: Petr Skoda <skodak@moodle.org>
Date: Tue, 20 Apr 2010 08:36:22 +0000
Subject: [PATCH] MDL-22085 support for iso-639-1

---
 lang/en/langconfig.php |  1 +
 lib/moodlelib.php      | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/lang/en/langconfig.php b/lang/en/langconfig.php
index 691fe72d57b..4006cef3602 100644
--- a/lang/en/langconfig.php
+++ b/lang/en/langconfig.php
@@ -27,6 +27,7 @@ $string['alphabet'] = 'A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z';
 $string['backupnameformat'] = '%Y%m%d-%H%M';
 $string['decsep'] = '.';
 $string['firstdayofweek'] = '0';
+$string['iso6391'] = 'en';
 $string['iso6392'] = 'eng';
 $string['listsep'] = ',';
 $string['locale'] = 'en_AU.UTF-8';
diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index b05e7a0d6fd..e7665cbdbd1 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -6055,19 +6055,49 @@ class core_string_manager implements string_manager {
      * @param string $lang moodle translation language, NULL means use current
      * @param string $standard language list standard
      *    - iso6392: three-letter language code (ISO 639-2/T) => translated name
+     *    - iso6391: two-letter langauge code (ISO 639-1) => translated name
      * @return array language code => translated name
      */
-    public function get_list_of_languages($lang = NULL, $standard = 'iso6392') {
+    public function get_list_of_languages($lang = NULL, $standard = 'iso6391') {
         if ($lang === NULL) {
             $lang = current_language();
         }
+
         if ($standard === 'iso6392') {
             $langs = $this->load_component_strings('core_iso6392', $lang);
             ksort($langs);
             return $langs;
+
+        } else if ($standard === 'iso6391') {
+            $langs2 = $this->load_component_strings('core_iso6392', $lang);
+            static $mapping = array('aar' => 'aa', 'abk' => 'ab', 'afr' => 'af', 'aka' => 'ak', 'sqi' => 'sq', 'amh' => 'am', 'ara' => 'ar', 'arg' => 'an', 'hye' => 'hy',
+                'asm' => 'as', 'ava' => 'av', 'ave' => 'ae', 'aym' => 'ay', 'aze' => 'az', 'bak' => 'ba', 'bam' => 'bm', 'eus' => 'eu', 'bel' => 'be', 'ben' => 'bn', 'bih' => 'bh',
+                'bis' => 'bi', 'bos' => 'bs', 'bre' => 'br', 'bul' => 'bg', 'mya' => 'my', 'cat' => 'ca', 'cha' => 'ch', 'che' => 'ce', 'zho' => 'zh', 'chu' => 'cu', 'chv' => 'cv',
+                'cor' => 'kw', 'cos' => 'co', 'cre' => 'cr', 'ces' => 'cs', 'dan' => 'da', 'div' => 'dv', 'nld' => 'nl', 'dzo' => 'dz', 'eng' => 'en', 'epo' => 'eo', 'est' => 'et',
+                'ewe' => 'ee', 'fao' => 'fo', 'fij' => 'fj', 'fin' => 'fi', 'fra' => 'fr', 'fry' => 'fy', 'ful' => 'ff', 'kat' => 'ka', 'deu' => 'de', 'gla' => 'gd', 'gle' => 'ga',
+                'glg' => 'gl', 'glv' => 'gv', 'ell' => 'el', 'grn' => 'gn', 'guj' => 'gu', 'hat' => 'ht', 'hau' => 'ha', 'heb' => 'he', 'her' => 'hz', 'hin' => 'hi', 'hmo' => 'ho',
+                'hrv' => 'hr', 'hun' => 'hu', 'ibo' => 'ig', 'isl' => 'is', 'ido' => 'io', 'iii' => 'ii', 'iku' => 'iu', 'ile' => 'ie', 'ina' => 'ia', 'ind' => 'id', 'ipk' => 'ik',
+                'ita' => 'it', 'jav' => 'jv', 'jpn' => 'ja', 'kal' => 'kl', 'kan' => 'kn', 'kas' => 'ks', 'kau' => 'kr', 'kaz' => 'kk', 'khm' => 'km', 'kik' => 'ki', 'kin' => 'rw',
+                'kir' => 'ky', 'kom' => 'kv', 'kon' => 'kg', 'kor' => 'ko', 'kua' => 'kj', 'kur' => 'ku', 'lao' => 'lo', 'lat' => 'la', 'lav' => 'lv', 'lim' => 'li', 'lin' => 'ln',
+                'lit' => 'lt', 'ltz' => 'lb', 'lub' => 'lu', 'lug' => 'lg', 'mkd' => 'mk', 'mah' => 'mh', 'mal' => 'ml', 'mri' => 'mi', 'mar' => 'mr', 'msa' => 'ms', 'mlg' => 'mg',
+                'mlt' => 'mt', 'mon' => 'mn', 'nau' => 'na', 'nav' => 'nv', 'nbl' => 'nr', 'nde' => 'nd', 'ndo' => 'ng', 'nep' => 'ne', 'nno' => 'nn', 'nob' => 'nb', 'nor' => 'no',
+                'nya' => 'ny', 'oci' => 'oc', 'oji' => 'oj', 'ori' => 'or', 'orm' => 'om', 'oss' => 'os', 'pan' => 'pa', 'fas' => 'fa', 'pli' => 'pi', 'pol' => 'pl', 'por' => 'pt',
+                'pus' => 'ps', 'que' => 'qu', 'roh' => 'rm', 'ron' => 'ro', 'run' => 'rn', 'rus' => 'ru', 'sag' => 'sg', 'san' => 'sa', 'sin' => 'si', 'slk' => 'sk', 'slv' => 'sl',
+                'sme' => 'se', 'smo' => 'sm', 'sna' => 'sn', 'snd' => 'sd', 'som' => 'so', 'sot' => 'st', 'spa' => 'es', 'srd' => 'sc', 'srp' => 'sr', 'ssw' => 'ss', 'sun' => 'su',
+                'swa' => 'sw', 'swe' => 'sv', 'tah' => 'ty', 'tam' => 'ta', 'tat' => 'tt', 'tel' => 'te', 'tgk' => 'tg', 'tgl' => 'tl', 'tha' => 'th', 'bod' => 'bo', 'tir' => 'ti',
+                'ton' => 'to', 'tsn' => 'tn', 'tso' => 'ts', 'tuk' => 'tk', 'tur' => 'tr', 'twi' => 'tw', 'uig' => 'ug', 'ukr' => 'uk', 'urd' => 'ur', 'uzb' => 'uz', 'ven' => 've',
+                'vie' => 'vi', 'vol' => 'vo', 'cym' => 'cy', 'wln' => 'wa', 'wol' => 'wo', 'xho' => 'xh', 'yid' => 'yi', 'yor' => 'yo', 'zha' => 'za', 'zul' => 'zu');
+            $langs1 = array();
+            foreach ($mapping as $c2=>$c1) {
+                $langs1[$c1] = $langs2[$c2];
+            }
+            ksort($langs1);
+            return $langs1;
+
         } else {
             debugging('Unsupported $standard parameter in get_list_of_languages() method: '.$standard);
         }
+
         return array();
     }
 
-- 
2.43.0