wallet-core/node_modules/po2json/lib/parse.js
2016-10-10 03:43:44 +02:00

107 lines
3.2 KiB
JavaScript

/**
* Parse PO buffer to JSON
*
* @param {Buffer|String} buffer - Buffer PO object or unicode string with PO data
* @param {Object} [options]
* @return {Object|String} Translation JSON
*/
module.exports = function(buffer, options) {
// Setup options and load in defaults
options = options || {};
var defaults = {
pretty: false,
fuzzy: false,
stringify: false,
format: 'raw',
domain: 'messages',
charset: 'utf8'
};
for (var property in defaults) {
options[property] = 'undefined' !== typeof options[property] ? options[property] : defaults[property];
}
// Parse the PO file
var parsed = require('gettext-parser').po.parse( buffer, defaults.charset );
// Create gettext/Jed compatible JSON from parsed data
var result = {},
contexts = parsed.translations;
Object.keys(contexts).forEach(function (context) {
var translations = parsed.translations[context];
var pluralForms = parsed.headers ? parsed.headers['plural-forms'] : '';
Object.keys(translations).forEach(function (key, i) {
var t = translations[key],
translationKey = context.length ? context + '\u0004' + key : key,
fuzzy = t.comments && t.comments.flag && t.comments.flag.match(/fuzzy/) !== null;
if (!fuzzy || options.fuzzy) {
if (options.format === 'mf') {
result[translationKey] = t.msgstr[0];
} else {
if(pluralForms == 'nplurals=1; plural=0;') {
msgstr = t.msgid_plural ? [t.msgstr] : t.msgstr
result[translationKey] = [ t.msgid_plural ? t.msgid_plural : null ].concat(msgstr);
} else {
result[translationKey] = [ t.msgid_plural ? t.msgid_plural : null ].concat(t.msgstr);
}
}
}
// In the case of fuzzy or empty messages, use msgid(/msgid_plural)
if (options['fallback-to-msgid'] && (fuzzy && !options.fuzzy || t.msgstr[0] === '')) {
if (options.format === 'mf') {
result[translationKey] = key;
} else {
result[translationKey] = [ t.msgid_plural ? t.msgid_plural : null ]
.concat(t.msgid_plural ? [key, t.msgid_plural] : [key]);
}
}
});
});
// Attach headers (overwrites any empty translation keys that may have somehow gotten in)
if (parsed.headers) {
result[''] = parsed.headers;
}
if (options.format === 'mf') {
delete result[''];
}
// Make JSON fully Jed-compatible
if (options.format.indexOf('jed') === 0) {
var jed = {
domain: options.domain,
locale_data: {}
};
if (options.format === 'jed1.x'){
for (var key in result) {
if (result.hasOwnProperty(key) && key !== ''){
for (var i = 2; i < result[key].length; i++){
if ('' === result[key][i]){
result[key][i] = result[key][0];
}
}
result[key].shift();
}
}
}
jed.locale_data[options.domain] = result;
jed.locale_data[options.domain][''] = {
domain: options.domain,
plural_forms: result['']['plural-forms'],
lang: result['']['language']
};
result = jed;
}
return options.stringify ? JSON.stringify( result, null, options.pretty ? ' ' : null ) : result;
}