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