src/www/js/langcode.js: functions for converting language codes

factored out from src/www/translator/translator.js

1 files changed, 27 insertions, 0 deletions

diff --git a/src/www/js/langcode.js b/src/www/js/langcode.js
new file mode 100644
index 000000000..5a41a59d3
--- /dev/null
+++ b/src/www/js/langcode.js
@@ -0,0 +1,27 @@
+// Language names and ISO-639 codes (both 3-letter and 2-letter codes)
+// See http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
+
+function lang1(namecode2) {
+    function lang(code,name,code2) {return {code:code, name:name, code2:code2}}
+    var nc=namecode2.split(":")
+    var name=nc[0]
+    var ws=name.split("/")
+    var code2=nc.length>1 ? nc[1] : ""
+    return ws.length==1 ? lang(name.substr(0,3),name,code2)
+	                : lang(ws[0],ws[1],code2)
+}
+
+var languages = // [ISO-639-2 code "/"] language name ":" ISO 639-1 code
+    map(lang1,"Amharic:am Arabic:ar Bulgarian:bg Catalan:ca Chinese:zh Danish:da Dutch:nl English:en Finnish:fi French:fr German:de Greek:el Hindi:hi Ina/Interlingua:ia Italian:it Jpn/Japanese:ja Latin:la Norwegian:nb Polish:pl Ron/Romanian:ro Russian:ru Spanish:es Swedish:sv Thai:th Turkish:tr Urdu:ur".split(" "))
+
+var langname={}
+var langcode2={}
+var langcode3={}
+for(var i in languages) {
+    langname[languages[i].code]=languages[i].name
+    langcode2[languages[i].code]=languages[i].code2
+    langcode3[languages[i].code2]=languages[i].code
+}
+
+function concname(code) { return langname[code] || code; }
+function alangcode(code) { return langcode2[code] || code; }