enigma-bbs/core/asset.js

56 lines
907 B
JavaScript

/* jslint node: true */
'use strict';
var Config = require('./config.js').config;
var _ = require('lodash');
var assert = require('assert');
exports.parseAsset = parseAsset;
exports.getArtAsset = getArtAsset;
var ALL_ASSETS = [
'art',
'menu',
'method',
'systemMethod',
'prompt',
];
var ASSET_RE = new RegExp('\\@(' + ALL_ASSETS.join('|') + ')\\:([\\w\\d\\.]*)(?:\\/([\\w\\d\\_]+))*');
function parseAsset(s) {
var m = ASSET_RE.exec(s);
if(m) {
var result = { type : m[1] };
if(m[3]) {
result.location = m[2];
result.asset = m[3];
} else {
result.asset = m[2];
}
return result;
}
}
function getArtAsset(art, cb) {
if(!_.isString(art)) {
return null;
}
if('@' === art[0]) {
var artAsset = parseAsset(art);
assert('art' === artAsset.type || 'method' === artAsset.type);
return artAsset;
} else {
return {
type : 'art',
asset : art,
};
}
}