Innovenergy_trunk/frontend/node_modules/parse5/lib/jsdom/parsing_unit.js

54 lines
1.4 KiB
JavaScript

'use strict';
var ParsingUnit = module.exports = function (parser) {
this.parser = parser;
this.suspended = false;
this.parsingLoopLock = false;
this.callback = null;
};
ParsingUnit.prototype._stateGuard = function (suspend) {
if (this.suspended && suspend)
throw new Error('parse5: Parser was already suspended. Please, check your control flow logic.');
else if (!this.suspended && !suspend)
throw new Error('parse5: Parser was already resumed. Please, check your control flow logic.');
return suspend;
};
ParsingUnit.prototype.suspend = function () {
this.suspended = this._stateGuard(true);
return this;
};
ParsingUnit.prototype.resume = function () {
this.suspended = this._stateGuard(false);
//NOTE: don't enter parsing loop if it is locked. Without this lock _runParsingLoop() may be called
//while parsing loop is still running. E.g. when suspend() and resume() called synchronously.
if (!this.parsingLoopLock)
this.parser._runParsingLoop();
return this;
};
ParsingUnit.prototype.documentWrite = function (html) {
this.parser.tokenizer.preprocessor.write(html);
return this;
};
ParsingUnit.prototype.handleScripts = function (scriptHandler) {
this.parser.scriptHandler = scriptHandler;
return this;
};
ParsingUnit.prototype.done = function (callback) {
this.callback = callback;
return this;
};