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import xmljs from 'xml-js'; |
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import Store from '../Model/Store'; |
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import debugRenderer from 'debug'; |
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import {autoCast, castString} from '../lib/utils'; |
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let debug = debugRenderer('icls:parser:icls'); |
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export default class IclsParser { |
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constructor () { |
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this._store = new Store(); |
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} |
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_convertToUnderstandable (xml) { |
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return xmljs.xml2js(xml); |
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} |
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_buildTree (iclsXmlObj) { |
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let rootNode = iclsXmlObj.elements[0]; |
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this._readTree(rootNode); |
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} |
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_readTree (el, ancestors = []) { |
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if (Array.isArray(el)) { |
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for (let element of el) { |
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this._readTree(element, ancestors); |
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} |
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return; |
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} |
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this._parseSchemeNode(el, ancestors); |
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this._parseOptionNode(el, ancestors); |
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this._parseColorNode(el, ancestors); |
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this._parseAttributeNode(el, ancestors); |
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this._parseChildNodes(el, ancestors); |
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} |
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_prepareNodeValues (values) { |
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return Object.keys(values).reduce((accumulator, curr) => { |
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accumulator[castString(curr)] = autoCast(values[curr]); |
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return accumulator; |
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}, {}); |
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} |
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_parseSchemeNode (el, ancestors) { |
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if (el.name !== 'scheme' || el.attributes === undefined) { |
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return; |
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} |
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debug('Parse Scheme node'); |
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this._setInStore(el.attributes, ancestors); |
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} |
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_parseOptionNode (el, ancestors) { |
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if (el.name !== 'option' || el.attributes === undefined) { |
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return; |
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} |
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debug('Parse Option %s node', el.attributes.name); |
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if (el.attributes.value === undefined && el.elements !== undefined) { |
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this._readTree(el.elements, [ |
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...ancestors, |
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el.attributes.name |
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]); |
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return; |
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} |
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let attrs = {}; |
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attrs[el.attributes.name] = el.attributes.value; |
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this._setInStore(attrs, ancestors); |
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} |
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_parseColorNode (el, ancestors) { |
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if (el.name !== 'colors' || el.elements === undefined) { |
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return; |
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} |
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debug('Parse Colors node'); |
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this._readTree( |
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el.elements, |
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[ |
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...ancestors, |
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'colors' |
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] |
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); |
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} |
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_parseAttributeNode (el, ancestors) { |
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if (el.name !== 'attributes' || el.elements === undefined) { |
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return; |
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} |
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debug('Parse Attributes node'); |
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this._readTree(el.elements, ancestors); |
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} |
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_parseChildNodes (el, ancestors) { |
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debug('Parsing childnodes of %s', el.name); |
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if (ancestors.length) { |
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debug('Ancestors: %o', ancestors); |
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} |
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if (el.elements === undefined) { |
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return; |
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} |
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this._readTree(el.elements, ancestors); |
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} |
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getStore () { |
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return this._store; |
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} |
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parse (iclsXmlString) { |
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debug('Parsing started'); |
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const iclsJsObj = this._convertToUnderstandable(iclsXmlString); |
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this._buildTree(iclsJsObj); |
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debug('Parsing Finished'); |
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return this.getStore(); |
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} |
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_setInStore (attrs, ancestors) { |
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attrs = this._prepareNodeValues(attrs); |
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for (let key in attrs) { |
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let storeKey = this._getStoreKey(key, ancestors); |
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this._store.set(storeKey, attrs[key]); |
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} |
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} |
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_getStoreKey (key, ancestors) { |
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48 |
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let path = [ |
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...ancestors, |
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key |
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]; |
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48 |
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return castString(path.join('.')); |
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} |
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} |
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fullfrontend /
icls
