132 lines
2.7 KiB
JavaScript
132 lines
2.7 KiB
JavaScript
/* jslint node: true */
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'use strict';
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// ENiGMA½
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const Config = require('./config.js').get;
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const StatLog = require('./stat_log.js');
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// deps
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const _ = require('lodash');
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const assert = require('assert');
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exports.parseAsset = parseAsset;
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exports.getAssetWithShorthand = getAssetWithShorthand;
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exports.getArtAsset = getArtAsset;
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exports.getModuleAsset = getModuleAsset;
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exports.resolveConfigAsset = resolveConfigAsset;
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exports.resolveSystemStatAsset = resolveSystemStatAsset;
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exports.getViewPropertyAsset = getViewPropertyAsset;
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const ALL_ASSETS = [
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'art',
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'menu',
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'method',
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'userModule',
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'systemMethod',
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'systemModule',
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'prompt',
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'config',
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'sysStat',
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];
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const ASSET_RE = new RegExp(
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'^@(' + ALL_ASSETS.join('|') + ')' + /:(?:([^:]+):)?([A-Za-z0-9_\-.]+)$/.source
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);
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function parseAsset(s) {
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const m = ASSET_RE.exec(s);
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if (m) {
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const result = { type: m[1] };
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if (m[3]) {
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result.asset = m[3];
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if (m[2]) {
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result.location = m[2];
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}
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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 getAssetWithShorthand(spec, defaultType) {
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if (!_.isString(spec)) {
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return null;
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}
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if ('@' === spec[0]) {
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const asset = parseAsset(spec);
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assert(_.isString(asset.type));
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return asset;
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}
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return {
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type: defaultType,
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asset: spec,
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};
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}
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function getArtAsset(spec) {
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const asset = getAssetWithShorthand(spec, 'art');
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if (!asset) {
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return null;
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}
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assert(['art', 'method'].indexOf(asset.type) > -1);
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return asset;
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}
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function getModuleAsset(spec) {
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const asset = getAssetWithShorthand(spec, 'systemModule');
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if (!asset) {
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return null;
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}
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assert(['userModule', 'systemModule'].includes(asset.type));
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return asset;
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}
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function resolveConfigAsset(spec) {
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const asset = parseAsset(spec);
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if (asset) {
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assert('config' === asset.type);
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const path = asset.asset.split('.');
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let conf = Config();
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for (let i = 0; i < path.length; ++i) {
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if (_.isUndefined(conf[path[i]])) {
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return spec;
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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 spec;
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}
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}
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function resolveSystemStatAsset(spec) {
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const asset = parseAsset(spec);
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if (!asset) {
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return spec;
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}
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assert('sysStat' === asset.type);
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return StatLog.getSystemStat(asset.asset) || spec;
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}
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function getViewPropertyAsset(src) {
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if (!_.isString(src) || '@' !== src.charAt(0)) {
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return null;
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}
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return parseAsset(src);
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}
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