103 lines
2.8 KiB
Plaintext
103 lines
2.8 KiB
Plaintext
import {buildOptions,registerCommonValueParsers} from './ParserOptionsBuilder.js';
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export default class OutputBuilder{
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constructor(options){
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this.options = buildOptions(options);
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this.registeredParsers = registerCommonValueParsers(this.options);
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}
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registerValueParser(name,parserInstance){//existing name will override the parser without warning
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this.registeredParsers[name] = parserInstance;
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}
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getInstance(parserOptions){
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return new JsArrBuilder(parserOptions, this.options, this.registeredParsers);
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}
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}
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const rootName = '!js_arr';
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import BaseOutputBuilder from './BaseOutputBuilder.js';
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class JsArrBuilder extends BaseOutputBuilder{
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constructor(parserOptions, options,registeredParsers) {
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super();
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this.tagsStack = [];
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this.parserOptions = parserOptions;
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this.options = options;
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this.registeredParsers = registeredParsers;
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this.root = new Node(rootName);
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this.currentNode = this.root;
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this.attributes = {};
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}
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addTag(tag){
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//when a new tag is added, it should be added as child of current node
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//TODO: shift this check to the parser
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if(tag.name === "__proto__") tag.name = "#__proto__";
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this.tagsStack.push(this.currentNode);
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this.currentNode = new Node(tag.name, this.attributes);
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this.attributes = {};
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}
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/**
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* Check if the node should be added by checking user's preference
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* @param {Node} node
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* @returns boolean: true if the node should not be added
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*/
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closeTag(){
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const node = this.currentNode;
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this.currentNode = this.tagsStack.pop(); //set parent node in scope
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if(this.options.onClose !== undefined){
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//TODO TagPathMatcher
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const resultTag = this.options.onClose(node,
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new TagPathMatcher(this.tagsStack,node));
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if(resultTag) return;
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}
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this.currentNode.child.push(node); //to parent node
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}
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//Called by parent class methods
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_addChild(key, val){
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// if(key === "__proto__") tagName = "#__proto__";
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this.currentNode.child.push( {[key]: val });
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// this.currentNode.leafType = false;
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}
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/**
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* Add text value child node
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* @param {string} text
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*/
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addValue(text){
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this.currentNode.child.push( {[this.options.nameFor.text]: this.parseValue(text, this.options.tags.valueParsers) });
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}
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addPi(name){
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//TODO: set pi flag
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if(!this.options.ignorePiTags){
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const node = new Node(name, this.attributes);
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this.currentNode[":@"] = this.attributes;
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this.currentNode.child.push(node);
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}
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this.attributes = {};
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}
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getOutput(){
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return this.root.child[0];
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}
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}
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class Node{
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constructor(tagname, attributes){
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this.tagname = tagname;
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this.child = []; //nested tags, text, cdata, comments
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if(attributes && Object.keys(attributes).length > 0)
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this[":@"] = attributes;
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}
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}
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module.exports = OutputBuilder; |