56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
'use strict';
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const assert = require('assert'),
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path = require('path');
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class DataLayout {
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constructor(localRoot, dirMap) {
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assert.strictEqual(typeof localRoot, 'string');
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assert(Array.isArray(dirMap), 'Expecting layout to be an array');
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this._localRoot = localRoot;
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this._dirMap = dirMap;
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this._remoteRegexps = dirMap.map((l) => new RegExp('^\\./' + l.remoteDir + '/?'));
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this._localRegexps = dirMap.map((l) => new RegExp('^' + l.localDir + '/?'));
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}
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toLocalPath(remoteName) {
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assert.strictEqual(typeof remoteName, 'string');
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for (let i = 0; i < this._remoteRegexps.length; i++) {
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if (!remoteName.match(this._remoteRegexps[i])) continue;
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return remoteName.replace(this._remoteRegexps[i], this._dirMap[i].localDir + '/'); // make paths absolute
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}
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return remoteName.replace(new RegExp('^\\.'), this._localRoot);
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}
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toRemotePath(localName) {
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assert.strictEqual(typeof localName, 'string');
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for (let i = 0; i < this._localRegexps.length; i++) {
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if (!localName.match(this._localRegexps[i])) continue;
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return localName.replace(this._localRegexps[i], './' + this._dirMap[i].remoteDir + '/'); // make paths relative
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}
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return localName.replace(new RegExp('^' + this._localRoot + '/?'), './');
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}
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localRoot() {
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return this._localRoot;
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}
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getBasename() { // used to generate cache file names
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return path.basename(this._localRoot);
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}
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toString() {
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return JSON.stringify({ localRoot: this._localRoot, layout: this._dirMap });
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}
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localPaths() {
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return [ this._localRoot ].concat(this._dirMap.map((l) => l.localDir));
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}
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directoryMap() {
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return this._dirMap;
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}
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static fromString(str) {
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const obj = JSON.parse(str);
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return new DataLayout(obj.localRoot, obj.layout);
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}
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}
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exports = module.exports = DataLayout;
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