File size: 2,762 Bytes
bc20498 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 |
"use strict";
var DOMImplementation = require('./DOMImplementation');
var HTMLParser = require('./HTMLParser');
var Window = require('./Window');
var impl = require('./impl');
exports.createDOMImplementation = function() {
return new DOMImplementation(null);
};
exports.createDocument = function(html, force) {
// Previous API couldn't let you pass '' as a document, and that
// yields a slightly different document than createHTMLDocument('')
// does. The new `force` parameter lets you pass '' if you want to.
if (html || force) {
var parser = new HTMLParser();
parser.parse(html || '', true);
return parser.document();
}
return new DOMImplementation(null).createHTMLDocument("");
};
exports.createIncrementalHTMLParser = function() {
var parser = new HTMLParser();
/** API for incremental parser. */
return {
/** Provide an additional chunk of text to be parsed. */
write: function(s) {
if (s.length > 0) {
parser.parse(s, false, function() { return true; });
}
},
/**
* Signal that we are done providing input text, optionally
* providing one last chunk as a parameter.
*/
end: function(s) {
parser.parse(s || '', true, function() { return true; });
},
/**
* Performs a chunk of parsing work, returning at the end of
* the next token as soon as shouldPauseFunc() returns true.
* Returns true iff there is more work to do.
*
* For example:
* ```
* var incrParser = domino.createIncrementalHTMLParser();
* incrParser.end('...long html document...');
* while (true) {
* // Pause every 10ms
* var start = Date.now();
* var pauseIn10 = function() { return (Date.now() - start) >= 10; };
* if (!incrParser.process(pauseIn10)) {
* break;
* }
* ...yield to other tasks, do other housekeeping, etc...
* }
* ```
*/
process: function(shouldPauseFunc) {
return parser.parse('', false, shouldPauseFunc);
},
/**
* Returns the result of the incremental parse. Valid after
* `this.end()` has been called and `this.process()` has returned
* false.
*/
document: function() {
return parser.document();
},
};
};
exports.createWindow = function(html, address) {
var document = exports.createDocument(html);
if (address !== undefined) { document._address = address; }
return new impl.Window(document);
};
exports.impl = impl; |