mirrors/zotero
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 1 Wiki Activity Actions

Convert feed processor parsing to native DOM APIs

Browse source 
This uses native DOM APIs to create document fragments and parse content instead
of XPCOM utils.
This commit is contained in:
J. Ryan Stinnett 2021-05-13 21:31:08 +01:00
parent b4303eaa45
commit 891ba599a6
1 changed files with 10 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

25
resource/feeds/FeedProcessor.js
View file

@ -11,7 +11,6 @@ function LOG(str) {
} }
const SAX_CONTRACTID = "@mozilla.org/saxparser/xmlreader;1"; const SAX_CONTRACTID = "@mozilla.org/saxparser/xmlreader;1";
const PARSERUTILS_CONTRACTID = "@mozilla.org/parserutils;1";
const XMLNS = "http://www.w3.org/XML/1998/namespace"; const XMLNS = "http://www.w3.org/XML/1998/namespace";
const RSS090NS = "http://my.netscape.com/rdf/simple/0.9/"; const RSS090NS = "http://my.netscape.com/rdf/simple/0.9/";
@ -567,42 +566,38 @@ function TextConstruct() {
this.base = null; this.base = null;
this.type = "text"; this.type = "text";
this.text = null; this.text = null;
this.parserUtils = Cc[PARSERUTILS_CONTRACTID].getService(Ci.nsIParserUtils);
} }
TextConstruct.prototype = { TextConstruct.prototype = {
plainText: function () { plainText: function () {
if (this.type != "text") { if (this.type != "text") {
return this.parserUtils.convertToPlainText(stripTags(this.text), return stripTags(this.text);
Ci.nsIDocumentEncoder.OutputSelectionOnly
| Ci.nsIDocumentEncoder.OutputAbsoluteLinks,
0);
} }
return this.text; return this.text;
}, },
createDocumentFragment: function (element) { createDocumentFragment: function (element) {
if (this.type == "text") { if (this.type == "text") {
var doc = element.ownerDocument; const doc = element.ownerDocument;
var docFragment = doc.createDocumentFragment(); const docFragment = doc.createDocumentFragment();
var node = doc.createTextNode(this.text); const node = doc.createTextNode(this.text);
docFragment.appendChild(node); docFragment.appendChild(node);
return docFragment; return docFragment;
} }
var isXML;
let parserType;
if (this.type == "xhtml") { if (this.type == "xhtml") {
isXML = true; parserType = "application/xhtml+xml";
} }
else if (this.type == "html") { else if (this.type == "html") {
isXML = false; parserType = "text/html";
} }
else { else {
return null; return null;
} }
let flags = Ci.nsIParserUtils.SanitizerDropForms; const parsedDoc = new DOMParser().parseFromString(this.text, parserType);
return this.parserUtils.parseFragment(this.text, flags, isXML, return parsedDoc.documentElement;
this.base, element);
}, },
}; };