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