46 lines
1012 B
JavaScript
46 lines
1012 B
JavaScript
'use strict';
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var events = require('events');
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var expat = require('node-expat');
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class SaxExpat extends events.EventEmitter {
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constructor() {
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super();
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this.parser = new expat.Parser("UTF-8");
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this.parser.on("startElement", (name, attrs) => {
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this.emit("startElement", name, attrs);
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});
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this.parser.on("endElement", (name) => {
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this.emit("endElement", name);
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});
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this.parser.on("text", (str) => {
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this.emit("text", str);
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});
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// TODO: other events, esp. entityDecl (billion laughs!)
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}
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write(data) {
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if (!this.parser.parse(data, false)) {
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this.emit("error", new Error(this.parser.getError()));
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// Premature error thrown,
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// disable all functionality:
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this.write = function write() {};
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this.end = function end() {};
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}
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}
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end() {
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if (!this.parser.parse("", true)) {
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this.emit("error", new Error(this.parser.getError()));
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} else {
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this.emit("end");
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}
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}
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}
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module.exports = SaxExpat;
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