'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;
};