pofile/lib/po.js
2011-12-21 22:50:01 -08:00

77 lines
1.6 KiB
JavaScript

var fs = require('fs');
var PO = function() {
this.headers = {};
this.items = [];
};
PO.prototype.write = function(filename) {
};
PO.load = function(filename, callback) {
fs.readFile(filename, 'utf-8', function(err, data){
if (err) throw err;
var po = new PO
, parts = data.split(/\n\n/)
, headers = parts.shift().split(/\n/);
headers.forEach(function(header){
if (header.match(/^"/)) {
var p = header.split(/:/, 2);
po.headers[p[0].trim()] = p[1].trim();
}
});
parts.forEach(function(part){
var item = PO.Item.parse(part);
po.items.push(item);
});
callback(po);
});
};
PO.Item = function() {
this.msgid = null;
this.references = [];
this.msgid_plural = null;
this.msgstr = [];
};
PO.Item.parse = function(chunk) {
var item = new PO.Item();
var parts = chunk.split(/\nmsg/);
var extract = function(string) {
var lines = string.split(/\n/);
var value = '';
lines.forEach(function(line){
var p = line.split(/"/); p.shift(); p.pop();
value += "\n" + p.join('"');
});
return value.trim();
};
parts.forEach(function(part){
if (part.match(/^#:/)) {
item.references.push(part.replace(/^#:\s/, ''));
}
else if (part.match(/^id\s/)) {
item.msgid = extract(part);
}
else if (part.match(/id_plural/)) {
item.msgid_plural = extract(part);
}
else if (part.match(/str/)) {
item.msgstr.push(extract(part));
}
});
return item;
};
PO.load('extras.po', function(po){
//console.log(po);
});