mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
4cd638b3ac
--HG-- rename : browser/components/sessionstore/src/FormData.jsm => toolkit/modules/sessionstore/FormData.jsm rename : browser/components/sessionstore/src/ScrollPosition.jsm => toolkit/modules/sessionstore/ScrollPosition.jsm rename : browser/components/sessionstore/src/XPathGenerator.jsm => toolkit/modules/sessionstore/XPathGenerator.jsm
109 lines
4.0 KiB
JavaScript
109 lines
4.0 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
"use strict";
|
|
|
|
this.EXPORTED_SYMBOLS = ["XPathGenerator"];
|
|
|
|
this.XPathGenerator = {
|
|
// these two hashes should be kept in sync
|
|
namespaceURIs: {
|
|
"xhtml": "http://www.w3.org/1999/xhtml",
|
|
"xul": "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
|
|
},
|
|
namespacePrefixes: {
|
|
"http://www.w3.org/1999/xhtml": "xhtml",
|
|
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": "xul"
|
|
},
|
|
|
|
/**
|
|
* Generates an approximate XPath query to an (X)HTML node
|
|
*/
|
|
generate: function sss_xph_generate(aNode) {
|
|
// have we reached the document node already?
|
|
if (!aNode.parentNode)
|
|
return "";
|
|
|
|
// Access localName, namespaceURI just once per node since it's expensive.
|
|
let nNamespaceURI = aNode.namespaceURI;
|
|
let nLocalName = aNode.localName;
|
|
|
|
let prefix = this.namespacePrefixes[nNamespaceURI] || null;
|
|
let tag = (prefix ? prefix + ":" : "") + this.escapeName(nLocalName);
|
|
|
|
// stop once we've found a tag with an ID
|
|
if (aNode.id)
|
|
return "//" + tag + "[@id=" + this.quoteArgument(aNode.id) + "]";
|
|
|
|
// count the number of previous sibling nodes of the same tag
|
|
// (and possible also the same name)
|
|
let count = 0;
|
|
let nName = aNode.name || null;
|
|
for (let n = aNode; (n = n.previousSibling); )
|
|
if (n.localName == nLocalName && n.namespaceURI == nNamespaceURI &&
|
|
(!nName || n.name == nName))
|
|
count++;
|
|
|
|
// recurse until hitting either the document node or an ID'd node
|
|
return this.generate(aNode.parentNode) + "/" + tag +
|
|
(nName ? "[@name=" + this.quoteArgument(nName) + "]" : "") +
|
|
(count ? "[" + (count + 1) + "]" : "");
|
|
},
|
|
|
|
/**
|
|
* Resolves an XPath query generated by XPathGenerator.generate
|
|
*/
|
|
resolve: function sss_xph_resolve(aDocument, aQuery) {
|
|
let xptype = Components.interfaces.nsIDOMXPathResult.FIRST_ORDERED_NODE_TYPE;
|
|
return aDocument.evaluate(aQuery, aDocument, this.resolveNS, xptype, null).singleNodeValue;
|
|
},
|
|
|
|
/**
|
|
* Namespace resolver for the above XPath resolver
|
|
*/
|
|
resolveNS: function sss_xph_resolveNS(aPrefix) {
|
|
return XPathGenerator.namespaceURIs[aPrefix] || null;
|
|
},
|
|
|
|
/**
|
|
* @returns valid XPath for the given node (usually just the local name itself)
|
|
*/
|
|
escapeName: function sss_xph_escapeName(aName) {
|
|
// we can't just use the node's local name, if it contains
|
|
// special characters (cf. bug 485482)
|
|
return /^\w+$/.test(aName) ? aName :
|
|
"*[local-name()=" + this.quoteArgument(aName) + "]";
|
|
},
|
|
|
|
/**
|
|
* @returns a properly quoted string to insert into an XPath query
|
|
*/
|
|
quoteArgument: function sss_xph_quoteArgument(aArg) {
|
|
return !/'/.test(aArg) ? "'" + aArg + "'" :
|
|
!/"/.test(aArg) ? '"' + aArg + '"' :
|
|
"concat('" + aArg.replace(/'+/g, "',\"$&\",'") + "')";
|
|
},
|
|
|
|
/**
|
|
* @returns an XPath query to all savable form field nodes
|
|
*/
|
|
get restorableFormNodes() {
|
|
// for a comprehensive list of all available <INPUT> types see
|
|
// http://mxr.mozilla.org/mozilla-central/search?string=kInputTypeTable
|
|
let ignoreTypes = ["password", "hidden", "button", "image", "submit", "reset"];
|
|
// XXXzeniko work-around until lower-case has been implemented (bug 398389)
|
|
let toLowerCase = '"ABCDEFGHIJKLMNOPQRSTUVWXYZ", "abcdefghijklmnopqrstuvwxyz"';
|
|
let ignore = "not(translate(@type, " + toLowerCase + ")='" +
|
|
ignoreTypes.join("' or translate(@type, " + toLowerCase + ")='") + "')";
|
|
let formNodesXPath = "//textarea|//select|//xhtml:textarea|//xhtml:select|" +
|
|
"//input[" + ignore + "]|//xhtml:input[" + ignore + "]";
|
|
|
|
// Special case for about:config's search field.
|
|
formNodesXPath += '|/xul:window[@id="config"]//xul:textbox[@id="textbox"]';
|
|
|
|
delete this.restorableFormNodes;
|
|
return (this.restorableFormNodes = formNodesXPath);
|
|
}
|
|
};
|