User:Mike Dillon/Scripts/i18n.js

/*

 */

var wgMessageCache = {};
var wgFallbackLanguage;
function wfAddMsg(lang, key, value) {
if (!wgMessageCache[lang]) {
wgMessageCache[lang] = {};
}
wgMessageCache[lang][key.toLowerCase()] = value;
}
function wfMsgReal(key, forContent, args) {
function wfMsgGet(lang, key) {
if (!wgMessageCache[lang]) return null;
return wgMessageCache[lang][key.toLowerCase()];
}
// Bail out of the key is null
if (key == null) return null;
var msg = null;
// Look for message in user language
if (!forContent) {
msg = wfMsgGet(wgUserLanguage, key);
}
// Else, use content language
if (msg == null) {
msg = wfMsgGet(wgContentLanguage, key);
}
// Else, use fallback language
if (msg == null && wgFallbackLanguage) {
msg = wfMsgGet(wgFallbackLanguage, key);
}
// Else, use fallback text
if (msg == null) {
msg = "<" + key.toLowerCase() + ">";
}
// Replace positional placeholders (e.g. $1 or ${1})
if (args.length > 1) {
var re = /\$(?:([1-9]\d*)|\{([1-9]\d*)\})/g;
var m;
var toReplace = [];
while (m = re.exec(msg)) {
toReplace.push({
'pos': re.lastIndex - m[0].length,
'len': m[0].length,
'arg': m[1] || m[2]
});
}
var adjust = 0;
for (var n in toReplace) {
var replacement = args[toReplace[n].arg];
if (replacement == null) continue;
replacement = replacement.toString();
toReplace[n].pos += adjust;
msg = msg.substring(0, toReplace[n].pos)
+ replacement
+ msg.substring(toReplace[n].pos + toReplace[n].len);
adjust += replacement.length - toReplace[n].len;
}
}
return msg;
}
function wfMsg(key) {
return wfMsgReal(key, false, arguments);
}
function wfMsgForContent(key) {
return wfMsgReal(key, true, arguments);
}
/* 

*/