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Update web-platform-tests to revision 0d318188757a9c996e20b82db201fd04de5aa255
This commit is contained in:
James Graham
parent
b2a5225831
commit
1a81b18b9f
12321 changed files with 544385 additions and 6 deletions
968
tests/wpt/web-platform-tests/dom/common.js
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968
tests/wpt/web-platform-tests/dom/common.js
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"use strict";
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// Written by Aryeh Gregor <ayg@aryeh.name>
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// TODO: iframes, contenteditable/designMode
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// Everything is done in functions in this test harness, so we have to declare
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// all the variables before use to make sure they can be reused.
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var testDiv, paras, detachedDiv, detachedPara1, detachedPara2,
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foreignDoc, foreignPara1, foreignPara2, xmlDoc, xmlElement,
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detachedXmlElement, detachedTextNode, foreignTextNode,
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detachedForeignTextNode, xmlTextNode, detachedXmlTextNode,
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processingInstruction, detachedProcessingInstruction, comment,
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detachedComment, foreignComment, detachedForeignComment, xmlComment,
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detachedXmlComment, docfrag, foreignDocfrag, xmlDocfrag, doctype,
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foreignDoctype, xmlDoctype;
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var testRangesShort, testRanges, testPoints, testNodesShort, testNodes;
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function setupRangeTests() {
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testDiv = document.querySelector("#test");
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if (testDiv) {
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testDiv.parentNode.removeChild(testDiv);
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}
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testDiv = document.createElement("div");
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testDiv.id = "test";
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document.body.insertBefore(testDiv, document.body.firstChild);
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paras = [];
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paras.push(document.createElement("p"));
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paras[0].setAttribute("id", "a");
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// Test some diacritics, to make sure browsers are using code units here
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// and not something like grapheme clusters.
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paras[0].textContent = "A\u0308b\u0308c\u0308d\u0308e\u0308f\u0308g\u0308h\u0308\n";
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testDiv.appendChild(paras[0]);
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paras.push(document.createElement("p"));
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paras[1].setAttribute("id", "b");
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paras[1].setAttribute("style", "display:none");
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paras[1].textContent = "Ijklmnop\n";
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testDiv.appendChild(paras[1]);
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paras.push(document.createElement("p"));
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paras[2].setAttribute("id", "c");
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paras[2].textContent = "Qrstuvwx";
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testDiv.appendChild(paras[2]);
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paras.push(document.createElement("p"));
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paras[3].setAttribute("id", "d");
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paras[3].setAttribute("style", "display:none");
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paras[3].textContent = "Yzabcdef";
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testDiv.appendChild(paras[3]);
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paras.push(document.createElement("p"));
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paras[4].setAttribute("id", "e");
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paras[4].setAttribute("style", "display:none");
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paras[4].textContent = "Ghijklmn";
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testDiv.appendChild(paras[4]);
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detachedDiv = document.createElement("div");
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detachedPara1 = document.createElement("p");
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detachedPara1.appendChild(document.createTextNode("Opqrstuv"));
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detachedPara2 = document.createElement("p");
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detachedPara2.appendChild(document.createTextNode("Wxyzabcd"));
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detachedDiv.appendChild(detachedPara1);
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detachedDiv.appendChild(detachedPara2);
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// Opera doesn't automatically create a doctype for a new HTML document,
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// contrary to spec. It also doesn't let you add doctypes to documents
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// after the fact through any means I've tried. So foreignDoc in Opera
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// will have no doctype, foreignDoctype will be null, and Opera will fail
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// some tests somewhat mysteriously as a result.
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foreignDoc = document.implementation.createHTMLDocument("");
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foreignPara1 = foreignDoc.createElement("p");
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foreignPara1.appendChild(foreignDoc.createTextNode("Efghijkl"));
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foreignPara2 = foreignDoc.createElement("p");
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foreignPara2.appendChild(foreignDoc.createTextNode("Mnopqrst"));
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foreignDoc.body.appendChild(foreignPara1);
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foreignDoc.body.appendChild(foreignPara2);
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// Now we get to do really silly stuff, which nobody in the universe is
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// ever going to actually do, but the spec defines behavior, so too bad.
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// Testing is fun!
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xmlDoctype = document.implementation.createDocumentType("qorflesnorf", "abcde", "x\"'y");
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xmlDoc = document.implementation.createDocument(null, null, xmlDoctype);
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detachedXmlElement = xmlDoc.createElement("everyone-hates-hyphenated-element-names");
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detachedTextNode = document.createTextNode("Uvwxyzab");
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detachedForeignTextNode = foreignDoc.createTextNode("Cdefghij");
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detachedXmlTextNode = xmlDoc.createTextNode("Klmnopqr");
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// PIs only exist in XML documents, so don't bother with document or
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// foreignDoc.
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detachedProcessingInstruction = xmlDoc.createProcessingInstruction("whippoorwill", "chirp chirp chirp");
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detachedComment = document.createComment("Stuvwxyz");
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// Hurrah, we finally got to "z" at the end!
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detachedForeignComment = foreignDoc.createComment("אריה יהודה");
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detachedXmlComment = xmlDoc.createComment("בן חיים אליעזר");
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// We should also test with document fragments that actually contain stuff
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// . . . but, maybe later.
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docfrag = document.createDocumentFragment();
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foreignDocfrag = foreignDoc.createDocumentFragment();
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xmlDocfrag = xmlDoc.createDocumentFragment();
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xmlElement = xmlDoc.createElement("igiveuponcreativenames");
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xmlTextNode = xmlDoc.createTextNode("do re mi fa so la ti");
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xmlElement.appendChild(xmlTextNode);
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processingInstruction = xmlDoc.createProcessingInstruction("somePI", 'Did you know that ":syn sync fromstart" is very useful when using vim to edit large amounts of JavaScript embedded in HTML?');
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xmlDoc.appendChild(xmlElement);
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xmlDoc.appendChild(processingInstruction);
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xmlComment = xmlDoc.createComment("I maliciously created a comment that will break incautious XML serializers, but Firefox threw an exception, so all I got was this lousy T-shirt");
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xmlDoc.appendChild(xmlComment);
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comment = document.createComment("Alphabet soup?");
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testDiv.appendChild(comment);
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foreignComment = foreignDoc.createComment('"Commenter" and "commentator" mean different things. I\'ve seen non-native speakers trip up on this.');
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foreignDoc.appendChild(foreignComment);
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foreignTextNode = foreignDoc.createTextNode("I admit that I harbor doubts about whether we really need so many things to test, but it's too late to stop now.");
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foreignDoc.body.appendChild(foreignTextNode);
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doctype = document.doctype;
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foreignDoctype = foreignDoc.doctype;
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testRangesShort = [
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// Various ranges within the text node children of different
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// paragraphs. All should be valid.
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"[paras[0].firstChild, 0, paras[0].firstChild, 0]",
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"[paras[0].firstChild, 0, paras[0].firstChild, 1]",
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"[paras[0].firstChild, 2, paras[0].firstChild, 8]",
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"[paras[0].firstChild, 2, paras[0].firstChild, 9]",
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"[paras[1].firstChild, 0, paras[1].firstChild, 0]",
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"[paras[1].firstChild, 2, paras[1].firstChild, 9]",
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"[detachedPara1.firstChild, 0, detachedPara1.firstChild, 0]",
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"[detachedPara1.firstChild, 2, detachedPara1.firstChild, 8]",
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"[foreignPara1.firstChild, 0, foreignPara1.firstChild, 0]",
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"[foreignPara1.firstChild, 2, foreignPara1.firstChild, 8]",
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// Now try testing some elements, not just text nodes.
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"[document.documentElement, 0, document.documentElement, 1]",
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"[document.documentElement, 0, document.documentElement, 2]",
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"[document.documentElement, 1, document.documentElement, 2]",
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"[document.head, 1, document.head, 1]",
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"[document.body, 4, document.body, 5]",
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"[foreignDoc.documentElement, 0, foreignDoc.documentElement, 1]",
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"[paras[0], 0, paras[0], 1]",
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"[detachedPara1, 0, detachedPara1, 1]",
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// Now try some ranges that span elements.
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"[paras[0].firstChild, 0, paras[1].firstChild, 0]",
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"[paras[0].firstChild, 0, paras[1].firstChild, 8]",
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"[paras[0].firstChild, 3, paras[3], 1]",
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// How about something that spans a node and its descendant?
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"[paras[0], 0, paras[0].firstChild, 7]",
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"[testDiv, 2, paras[4], 1]",
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// Then a few more interesting things just for good measure.
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"[document, 0, document, 1]",
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"[document, 0, document, 2]",
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"[comment, 2, comment, 3]",
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"[testDiv, 0, comment, 5]",
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"[foreignDoc, 1, foreignComment, 2]",
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"[foreignDoc.body, 0, foreignTextNode, 36]",
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"[xmlDoc, 1, xmlComment, 0]",
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"[detachedTextNode, 0, detachedTextNode, 8]",
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"[detachedForeignTextNode, 0, detachedForeignTextNode, 8]",
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"[detachedXmlTextNode, 0, detachedXmlTextNode, 8]",
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"[detachedComment, 3, detachedComment, 4]",
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"[detachedForeignComment, 0, detachedForeignComment, 1]",
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"[detachedXmlComment, 2, detachedXmlComment, 6]",
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"[docfrag, 0, docfrag, 0]",
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];
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testRanges = testRangesShort.concat([
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"[paras[1].firstChild, 0, paras[1].firstChild, 1]",
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"[paras[1].firstChild, 2, paras[1].firstChild, 8]",
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"[detachedPara1.firstChild, 0, detachedPara1.firstChild, 1]",
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"[foreignPara1.firstChild, 0, foreignPara1.firstChild, 1]",
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"[foreignDoc.head, 1, foreignDoc.head, 1]",
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"[foreignDoc.body, 0, foreignDoc.body, 0]",
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"[paras[0], 0, paras[0], 0]",
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"[detachedPara1, 0, detachedPara1, 0]",
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"[testDiv, 1, paras[2].firstChild, 5]",
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"[document.documentElement, 1, document.body, 0]",
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"[foreignDoc.documentElement, 1, foreignDoc.body, 0]",
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"[document, 1, document, 2]",
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"[paras[2].firstChild, 4, comment, 2]",
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"[paras[3], 1, comment, 8]",
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"[foreignDoc, 0, foreignDoc, 0]",
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"[xmlDoc, 0, xmlDoc, 0]",
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"[detachedForeignTextNode, 7, detachedForeignTextNode, 7]",
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"[detachedXmlTextNode, 7, detachedXmlTextNode, 7]",
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"[detachedComment, 5, detachedComment, 5]",
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"[detachedForeignComment, 4, detachedForeignComment, 4]",
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"[foreignDocfrag, 0, foreignDocfrag, 0]",
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"[xmlDocfrag, 0, xmlDocfrag, 0]",
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]);
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testPoints = [
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// Various positions within the page, some invalid. Remember that
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// paras[0] is visible, and paras[1] is display: none.
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"[paras[0].firstChild, -1]",
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"[paras[0].firstChild, 0]",
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"[paras[0].firstChild, 1]",
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"[paras[0].firstChild, 2]",
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"[paras[0].firstChild, 8]",
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"[paras[0].firstChild, 9]",
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"[paras[0].firstChild, 10]",
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"[paras[0].firstChild, 65535]",
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"[paras[1].firstChild, -1]",
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"[paras[1].firstChild, 0]",
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"[paras[1].firstChild, 1]",
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"[paras[1].firstChild, 2]",
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"[paras[1].firstChild, 8]",
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"[paras[1].firstChild, 9]",
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"[paras[1].firstChild, 10]",
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"[paras[1].firstChild, 65535]",
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"[detachedPara1.firstChild, 0]",
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"[detachedPara1.firstChild, 1]",
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"[detachedPara1.firstChild, 8]",
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"[detachedPara1.firstChild, 9]",
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"[foreignPara1.firstChild, 0]",
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"[foreignPara1.firstChild, 1]",
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"[foreignPara1.firstChild, 8]",
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"[foreignPara1.firstChild, 9]",
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// Now try testing some elements, not just text nodes.
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"[document.documentElement, -1]",
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"[document.documentElement, 0]",
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"[document.documentElement, 1]",
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"[document.documentElement, 2]",
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"[document.documentElement, 7]",
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"[document.head, 1]",
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"[document.body, 3]",
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"[foreignDoc.documentElement, 0]",
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"[foreignDoc.documentElement, 1]",
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"[foreignDoc.head, 0]",
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"[foreignDoc.body, 1]",
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"[paras[0], 0]",
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"[paras[0], 1]",
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"[paras[0], 2]",
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"[paras[1], 0]",
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"[paras[1], 1]",
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"[paras[1], 2]",
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"[detachedPara1, 0]",
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"[detachedPara1, 1]",
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"[testDiv, 0]",
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"[testDiv, 3]",
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// Then a few more interesting things just for good measure.
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"[document, -1]",
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"[document, 0]",
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"[document, 1]",
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"[document, 2]",
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"[document, 3]",
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"[comment, -1]",
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"[comment, 0]",
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"[comment, 4]",
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"[comment, 96]",
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"[foreignDoc, 0]",
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"[foreignDoc, 1]",
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"[foreignComment, 2]",
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"[foreignTextNode, 0]",
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"[foreignTextNode, 36]",
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"[xmlDoc, -1]",
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"[xmlDoc, 0]",
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"[xmlDoc, 1]",
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"[xmlDoc, 5]",
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"[xmlComment, 0]",
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"[xmlComment, 4]",
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"[processingInstruction, 0]",
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"[processingInstruction, 5]",
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"[processingInstruction, 9]",
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"[detachedTextNode, 0]",
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"[detachedTextNode, 8]",
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"[detachedForeignTextNode, 0]",
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"[detachedForeignTextNode, 8]",
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"[detachedXmlTextNode, 0]",
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"[detachedXmlTextNode, 8]",
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"[detachedProcessingInstruction, 12]",
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"[detachedComment, 3]",
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"[detachedComment, 5]",
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"[detachedForeignComment, 0]",
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"[detachedForeignComment, 4]",
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"[detachedXmlComment, 2]",
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"[docfrag, 0]",
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"[foreignDocfrag, 0]",
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"[xmlDocfrag, 0]",
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"[doctype, 0]",
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"[doctype, -17]",
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"[doctype, 1]",
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"[foreignDoctype, 0]",
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"[xmlDoctype, 0]",
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];
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testNodesShort = [
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"paras[0]",
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"paras[0].firstChild",
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"paras[1].firstChild",
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"foreignPara1",
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"foreignPara1.firstChild",
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"detachedPara1",
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"detachedPara1.firstChild",
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"document",
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"detachedDiv",
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"foreignDoc",
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"foreignPara2",
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"xmlDoc",
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"xmlElement",
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"detachedTextNode",
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"foreignTextNode",
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"processingInstruction",
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"detachedProcessingInstruction",
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"comment",
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"detachedComment",
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"docfrag",
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"doctype",
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"foreignDoctype",
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];
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testNodes = testNodesShort.concat([
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"paras[1]",
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"detachedPara2",
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"detachedPara2.firstChild",
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"testDiv",
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"detachedXmlElement",
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"detachedForeignTextNode",
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"xmlTextNode",
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"detachedXmlTextNode",
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"xmlComment",
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"foreignComment",
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"detachedForeignComment",
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"detachedXmlComment",
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"foreignDocfrag",
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"xmlDocfrag",
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"xmlDoctype",
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]);
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}
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if ("setup" in window) {
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setup(setupRangeTests);
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} else {
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// Presumably we're running from within an iframe or something
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setupRangeTests();
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}
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/**
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* The "length" of a node as defined by the Ranges section of DOM4.
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*/
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function nodeLength(node) {
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// "The length of a node node depends on node:
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//
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// "DocumentType
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// "0."
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if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
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return 0;
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}
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// "Text
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// "ProcessingInstruction
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// "Comment
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// "Its length attribute value."
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// Browsers don't historically support the length attribute on
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// ProcessingInstruction, so to avoid spurious failures, do
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// node.data.length instead of node.length.
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if (node.nodeType == Node.TEXT_NODE || node.nodeType == Node.PROCESSING_INSTRUCTION_NODE || node.nodeType == Node.COMMENT_NODE) {
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return node.data.length;
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}
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// "Any other node
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// "Its number of children."
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return node.childNodes.length;
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}
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/**
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* Returns the furthest ancestor of a Node as defined by the spec.
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*/
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function furthestAncestor(node) {
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var root = node;
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while (root.parentNode != null) {
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root = root.parentNode;
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}
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return root;
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}
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/**
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* "The ancestor containers of a Node are the Node itself and all its
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* ancestors."
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*
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* Is node1 an ancestor container of node2?
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*/
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function isAncestorContainer(node1, node2) {
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return node1 == node2 ||
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(node2.compareDocumentPosition(node1) & Node.DOCUMENT_POSITION_CONTAINS);
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}
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/**
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* Returns the first Node that's after node in tree order, or null if node is
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* the last Node.
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*/
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function nextNode(node) {
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if (node.hasChildNodes()) {
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return node.firstChild;
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}
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return nextNodeDescendants(node);
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}
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/**
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* Returns the last Node that's before node in tree order, or null if node is
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* the first Node.
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*/
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function previousNode(node) {
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if (node.previousSibling) {
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node = node.previousSibling;
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while (node.hasChildNodes()) {
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node = node.lastChild;
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}
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return node;
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}
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return node.parentNode;
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}
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/**
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* Returns the next Node that's after node and all its descendants in tree
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* order, or null if node is the last Node or an ancestor of it.
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*/
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function nextNodeDescendants(node) {
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while (node && !node.nextSibling) {
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node = node.parentNode;
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}
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if (!node) {
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return null;
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}
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return node.nextSibling;
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}
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/**
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* Returns the ownerDocument of the Node, or the Node itself if it's a
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* Document.
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*/
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function ownerDocument(node) {
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return node.nodeType == Node.DOCUMENT_NODE
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? node
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: node.ownerDocument;
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}
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/**
|
||||
* Returns true if ancestor is an ancestor of descendant, false otherwise.
|
||||
*/
|
||||
function isAncestor(ancestor, descendant) {
|
||||
if (!ancestor || !descendant) {
|
||||
return false;
|
||||
}
|
||||
while (descendant && descendant != ancestor) {
|
||||
descendant = descendant.parentNode;
|
||||
}
|
||||
return descendant == ancestor;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if ancestor is an inclusive ancestor of descendant, false
|
||||
* otherwise.
|
||||
*/
|
||||
function isInclusiveAncestor(ancestor, descendant) {
|
||||
return ancestor === descendant || isAncestor(ancestor, descendant);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if descendant is a descendant of ancestor, false otherwise.
|
||||
*/
|
||||
function isDescendant(descendant, ancestor) {
|
||||
return isAncestor(ancestor, descendant);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if descendant is an inclusive descendant of ancestor, false
|
||||
* otherwise.
|
||||
*/
|
||||
function isInclusiveDescendant(descendant, ancestor) {
|
||||
return descendant === ancestor || isDescendant(descendant, ancestor);
|
||||
}
|
||||
|
||||
/**
|
||||
* The position of two boundary points relative to one another, as defined by
|
||||
* the spec.
|
||||
*/
|
||||
function getPosition(nodeA, offsetA, nodeB, offsetB) {
|
||||
// "If node A is the same as node B, return equal if offset A equals offset
|
||||
// B, before if offset A is less than offset B, and after if offset A is
|
||||
// greater than offset B."
|
||||
if (nodeA == nodeB) {
|
||||
if (offsetA == offsetB) {
|
||||
return "equal";
|
||||
}
|
||||
if (offsetA < offsetB) {
|
||||
return "before";
|
||||
}
|
||||
if (offsetA > offsetB) {
|
||||
return "after";
|
||||
}
|
||||
}
|
||||
|
||||
// "If node A is after node B in tree order, compute the position of (node
|
||||
// B, offset B) relative to (node A, offset A). If it is before, return
|
||||
// after. If it is after, return before."
|
||||
if (nodeB.compareDocumentPosition(nodeA) & Node.DOCUMENT_POSITION_FOLLOWING) {
|
||||
var pos = getPosition(nodeB, offsetB, nodeA, offsetA);
|
||||
if (pos == "before") {
|
||||
return "after";
|
||||
}
|
||||
if (pos == "after") {
|
||||
return "before";
|
||||
}
|
||||
}
|
||||
|
||||
// "If node A is an ancestor of node B:"
|
||||
if (nodeB.compareDocumentPosition(nodeA) & Node.DOCUMENT_POSITION_CONTAINS) {
|
||||
// "Let child equal node B."
|
||||
var child = nodeB;
|
||||
|
||||
// "While child is not a child of node A, set child to its parent."
|
||||
while (child.parentNode != nodeA) {
|
||||
child = child.parentNode;
|
||||
}
|
||||
|
||||
// "If the index of child is less than offset A, return after."
|
||||
if (indexOf(child) < offsetA) {
|
||||
return "after";
|
||||
}
|
||||
}
|
||||
|
||||
// "Return before."
|
||||
return "before";
|
||||
}
|
||||
|
||||
/**
|
||||
* "contained" as defined by DOM Range: "A Node node is contained in a range
|
||||
* range if node's furthest ancestor is the same as range's root, and (node, 0)
|
||||
* is after range's start, and (node, length of node) is before range's end."
|
||||
*/
|
||||
function isContained(node, range) {
|
||||
var pos1 = getPosition(node, 0, range.startContainer, range.startOffset);
|
||||
var pos2 = getPosition(node, nodeLength(node), range.endContainer, range.endOffset);
|
||||
|
||||
return furthestAncestor(node) == furthestAncestor(range.startContainer)
|
||||
&& pos1 == "after"
|
||||
&& pos2 == "before";
|
||||
}
|
||||
|
||||
/**
|
||||
* "partially contained" as defined by DOM Range: "A Node is partially
|
||||
* contained in a range if it is an ancestor container of the range's start but
|
||||
* not its end, or vice versa."
|
||||
*/
|
||||
function isPartiallyContained(node, range) {
|
||||
var cond1 = isAncestorContainer(node, range.startContainer);
|
||||
var cond2 = isAncestorContainer(node, range.endContainer);
|
||||
return (cond1 && !cond2) || (cond2 && !cond1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Index of a node as defined by the spec.
|
||||
*/
|
||||
function indexOf(node) {
|
||||
if (!node.parentNode) {
|
||||
// No preceding sibling nodes, right?
|
||||
return 0;
|
||||
}
|
||||
var i = 0;
|
||||
while (node != node.parentNode.childNodes[i]) {
|
||||
i++;
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
/**
|
||||
* extractContents() implementation, following the spec. If an exception is
|
||||
* supposed to be thrown, will return a string with the name (e.g.,
|
||||
* "HIERARCHY_REQUEST_ERR") instead of a document fragment. It might also
|
||||
* return an arbitrary human-readable string if a condition is hit that implies
|
||||
* a spec bug.
|
||||
*/
|
||||
function myExtractContents(range) {
|
||||
// "If the context object's detached flag is set, raise an
|
||||
// INVALID_STATE_ERR exception and abort these steps."
|
||||
try {
|
||||
range.collapsed;
|
||||
} catch (e) {
|
||||
return "INVALID_STATE_ERR";
|
||||
}
|
||||
|
||||
// "Let frag be a new DocumentFragment whose ownerDocument is the same as
|
||||
// the ownerDocument of the context object's start node."
|
||||
var ownerDoc = range.startContainer.nodeType == Node.DOCUMENT_NODE
|
||||
? range.startContainer
|
||||
: range.startContainer.ownerDocument;
|
||||
var frag = ownerDoc.createDocumentFragment();
|
||||
|
||||
// "If the context object's start and end are the same, abort this method,
|
||||
// returning frag."
|
||||
if (range.startContainer == range.endContainer
|
||||
&& range.startOffset == range.endOffset) {
|
||||
return frag;
|
||||
}
|
||||
|
||||
// "Let original start node, original start offset, original end node, and
|
||||
// original end offset be the context object's start and end nodes and
|
||||
// offsets, respectively."
|
||||
var originalStartNode = range.startContainer;
|
||||
var originalStartOffset = range.startOffset;
|
||||
var originalEndNode = range.endContainer;
|
||||
var originalEndOffset = range.endOffset;
|
||||
|
||||
// "If original start node and original end node are the same, and they are
|
||||
// a Text or Comment node:"
|
||||
if (range.startContainer == range.endContainer
|
||||
&& (range.startContainer.nodeType == Node.TEXT_NODE
|
||||
|| range.startContainer.nodeType == Node.COMMENT_NODE)) {
|
||||
// "Let clone be the result of calling cloneNode(false) on original
|
||||
// start node."
|
||||
var clone = originalStartNode.cloneNode(false);
|
||||
|
||||
// "Set the data of clone to the result of calling
|
||||
// substringData(original start offset, original end offset − original
|
||||
// start offset) on original start node."
|
||||
clone.data = originalStartNode.substringData(originalStartOffset,
|
||||
originalEndOffset - originalStartOffset);
|
||||
|
||||
// "Append clone as the last child of frag."
|
||||
frag.appendChild(clone);
|
||||
|
||||
// "Call deleteData(original start offset, original end offset −
|
||||
// original start offset) on original start node."
|
||||
originalStartNode.deleteData(originalStartOffset,
|
||||
originalEndOffset - originalStartOffset);
|
||||
|
||||
// "Abort this method, returning frag."
|
||||
return frag;
|
||||
}
|
||||
|
||||
// "Let common ancestor equal original start node."
|
||||
var commonAncestor = originalStartNode;
|
||||
|
||||
// "While common ancestor is not an ancestor container of original end
|
||||
// node, set common ancestor to its own parent."
|
||||
while (!isAncestorContainer(commonAncestor, originalEndNode)) {
|
||||
commonAncestor = commonAncestor.parentNode;
|
||||
}
|
||||
|
||||
// "If original start node is an ancestor container of original end node,
|
||||
// let first partially contained child be null."
|
||||
var firstPartiallyContainedChild;
|
||||
if (isAncestorContainer(originalStartNode, originalEndNode)) {
|
||||
firstPartiallyContainedChild = null;
|
||||
// "Otherwise, let first partially contained child be the first child of
|
||||
// common ancestor that is partially contained in the context object."
|
||||
} else {
|
||||
for (var i = 0; i < commonAncestor.childNodes.length; i++) {
|
||||
if (isPartiallyContained(commonAncestor.childNodes[i], range)) {
|
||||
firstPartiallyContainedChild = commonAncestor.childNodes[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!firstPartiallyContainedChild) {
|
||||
throw "Spec bug: no first partially contained child!";
|
||||
}
|
||||
}
|
||||
|
||||
// "If original end node is an ancestor container of original start node,
|
||||
// let last partially contained child be null."
|
||||
var lastPartiallyContainedChild;
|
||||
if (isAncestorContainer(originalEndNode, originalStartNode)) {
|
||||
lastPartiallyContainedChild = null;
|
||||
// "Otherwise, let last partially contained child be the last child of
|
||||
// common ancestor that is partially contained in the context object."
|
||||
} else {
|
||||
for (var i = commonAncestor.childNodes.length - 1; i >= 0; i--) {
|
||||
if (isPartiallyContained(commonAncestor.childNodes[i], range)) {
|
||||
lastPartiallyContainedChild = commonAncestor.childNodes[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!lastPartiallyContainedChild) {
|
||||
throw "Spec bug: no last partially contained child!";
|
||||
}
|
||||
}
|
||||
|
||||
// "Let contained children be a list of all children of common ancestor
|
||||
// that are contained in the context object, in tree order."
|
||||
//
|
||||
// "If any member of contained children is a DocumentType, raise a
|
||||
// HIERARCHY_REQUEST_ERR exception and abort these steps."
|
||||
var containedChildren = [];
|
||||
for (var i = 0; i < commonAncestor.childNodes.length; i++) {
|
||||
if (isContained(commonAncestor.childNodes[i], range)) {
|
||||
if (commonAncestor.childNodes[i].nodeType
|
||||
== Node.DOCUMENT_TYPE_NODE) {
|
||||
return "HIERARCHY_REQUEST_ERR";
|
||||
}
|
||||
containedChildren.push(commonAncestor.childNodes[i]);
|
||||
}
|
||||
}
|
||||
|
||||
// "If original start node is an ancestor container of original end node,
|
||||
// set new node to original start node and new offset to original start
|
||||
// offset."
|
||||
var newNode, newOffset;
|
||||
if (isAncestorContainer(originalStartNode, originalEndNode)) {
|
||||
newNode = originalStartNode;
|
||||
newOffset = originalStartOffset;
|
||||
// "Otherwise:"
|
||||
} else {
|
||||
// "Let reference node equal original start node."
|
||||
var referenceNode = originalStartNode;
|
||||
|
||||
// "While reference node's parent is not null and is not an ancestor
|
||||
// container of original end node, set reference node to its parent."
|
||||
while (referenceNode.parentNode
|
||||
&& !isAncestorContainer(referenceNode.parentNode, originalEndNode)) {
|
||||
referenceNode = referenceNode.parentNode;
|
||||
}
|
||||
|
||||
// "Set new node to the parent of reference node, and new offset to one
|
||||
// plus the index of reference node."
|
||||
newNode = referenceNode.parentNode;
|
||||
newOffset = 1 + indexOf(referenceNode);
|
||||
}
|
||||
|
||||
// "If first partially contained child is a Text or Comment node:"
|
||||
if (firstPartiallyContainedChild
|
||||
&& (firstPartiallyContainedChild.nodeType == Node.TEXT_NODE
|
||||
|| firstPartiallyContainedChild.nodeType == Node.COMMENT_NODE)) {
|
||||
// "Let clone be the result of calling cloneNode(false) on original
|
||||
// start node."
|
||||
var clone = originalStartNode.cloneNode(false);
|
||||
|
||||
// "Set the data of clone to the result of calling substringData() on
|
||||
// original start node, with original start offset as the first
|
||||
// argument and (length of original start node − original start offset)
|
||||
// as the second."
|
||||
clone.data = originalStartNode.substringData(originalStartOffset,
|
||||
nodeLength(originalStartNode) - originalStartOffset);
|
||||
|
||||
// "Append clone as the last child of frag."
|
||||
frag.appendChild(clone);
|
||||
|
||||
// "Call deleteData() on original start node, with original start
|
||||
// offset as the first argument and (length of original start node −
|
||||
// original start offset) as the second."
|
||||
originalStartNode.deleteData(originalStartOffset,
|
||||
nodeLength(originalStartNode) - originalStartOffset);
|
||||
// "Otherwise, if first partially contained child is not null:"
|
||||
} else if (firstPartiallyContainedChild) {
|
||||
// "Let clone be the result of calling cloneNode(false) on first
|
||||
// partially contained child."
|
||||
var clone = firstPartiallyContainedChild.cloneNode(false);
|
||||
|
||||
// "Append clone as the last child of frag."
|
||||
frag.appendChild(clone);
|
||||
|
||||
// "Let subrange be a new Range whose start is (original start node,
|
||||
// original start offset) and whose end is (first partially contained
|
||||
// child, length of first partially contained child)."
|
||||
var subrange = ownerDoc.createRange();
|
||||
subrange.setStart(originalStartNode, originalStartOffset);
|
||||
subrange.setEnd(firstPartiallyContainedChild,
|
||||
nodeLength(firstPartiallyContainedChild));
|
||||
|
||||
// "Let subfrag be the result of calling extractContents() on
|
||||
// subrange."
|
||||
var subfrag = myExtractContents(subrange);
|
||||
|
||||
// "For each child of subfrag, in order, append that child to clone as
|
||||
// its last child."
|
||||
for (var i = 0; i < subfrag.childNodes.length; i++) {
|
||||
clone.appendChild(subfrag.childNodes[i]);
|
||||
}
|
||||
}
|
||||
|
||||
// "For each contained child in contained children, append contained child
|
||||
// as the last child of frag."
|
||||
for (var i = 0; i < containedChildren.length; i++) {
|
||||
frag.appendChild(containedChildren[i]);
|
||||
}
|
||||
|
||||
// "If last partially contained child is a Text or Comment node:"
|
||||
if (lastPartiallyContainedChild
|
||||
&& (lastPartiallyContainedChild.nodeType == Node.TEXT_NODE
|
||||
|| lastPartiallyContainedChild.nodeType == Node.COMMENT_NODE)) {
|
||||
// "Let clone be the result of calling cloneNode(false) on original
|
||||
// end node."
|
||||
var clone = originalEndNode.cloneNode(false);
|
||||
|
||||
// "Set the data of clone to the result of calling substringData(0,
|
||||
// original end offset) on original end node."
|
||||
clone.data = originalEndNode.substringData(0, originalEndOffset);
|
||||
|
||||
// "Append clone as the last child of frag."
|
||||
frag.appendChild(clone);
|
||||
|
||||
// "Call deleteData(0, original end offset) on original end node."
|
||||
originalEndNode.deleteData(0, originalEndOffset);
|
||||
// "Otherwise, if last partially contained child is not null:"
|
||||
} else if (lastPartiallyContainedChild) {
|
||||
// "Let clone be the result of calling cloneNode(false) on last
|
||||
// partially contained child."
|
||||
var clone = lastPartiallyContainedChild.cloneNode(false);
|
||||
|
||||
// "Append clone as the last child of frag."
|
||||
frag.appendChild(clone);
|
||||
|
||||
// "Let subrange be a new Range whose start is (last partially
|
||||
// contained child, 0) and whose end is (original end node, original
|
||||
// end offset)."
|
||||
var subrange = ownerDoc.createRange();
|
||||
subrange.setStart(lastPartiallyContainedChild, 0);
|
||||
subrange.setEnd(originalEndNode, originalEndOffset);
|
||||
|
||||
// "Let subfrag be the result of calling extractContents() on
|
||||
// subrange."
|
||||
var subfrag = myExtractContents(subrange);
|
||||
|
||||
// "For each child of subfrag, in order, append that child to clone as
|
||||
// its last child."
|
||||
for (var i = 0; i < subfrag.childNodes.length; i++) {
|
||||
clone.appendChild(subfrag.childNodes[i]);
|
||||
}
|
||||
}
|
||||
|
||||
// "Set the context object's start and end to (new node, new offset)."
|
||||
range.setStart(newNode, newOffset);
|
||||
range.setEnd(newNode, newOffset);
|
||||
|
||||
// "Return frag."
|
||||
return frag;
|
||||
}
|
||||
|
||||
/**
|
||||
* insertNode() implementation, following the spec. If an exception is
|
||||
* supposed to be thrown, will return a string with the name (e.g.,
|
||||
* "HIERARCHY_REQUEST_ERR") instead of a document fragment. It might also
|
||||
* return an arbitrary human-readable string if a condition is hit that implies
|
||||
* a spec bug.
|
||||
*/
|
||||
function myInsertNode(range, node) {
|
||||
// "If the detached flag is set, throw an "InvalidStateError" exception and
|
||||
// terminate these steps."
|
||||
//
|
||||
// Assume that if accessing collapsed throws, it's detached.
|
||||
try {
|
||||
range.collapsed;
|
||||
} catch (e) {
|
||||
return "INVALID_STATE_ERR";
|
||||
}
|
||||
|
||||
// "If start node is a Comment node, or a Text node whose parent is null,
|
||||
// throw an "HierarchyRequestError" exception and terminate these steps."
|
||||
if (range.startContainer.nodeType == Node.COMMENT_NODE
|
||||
|| (range.startContainer.nodeType == Node.TEXT_NODE
|
||||
&& !range.startContainer.parentNode)) {
|
||||
return "HIERARCHY_REQUEST_ERR";
|
||||
}
|
||||
|
||||
// "If start node is a Text node, split it with offset context object's
|
||||
// start offset, and let reference node be the result."
|
||||
var referenceNode;
|
||||
if (range.startContainer.nodeType == Node.TEXT_NODE) {
|
||||
// We aren't testing how ranges vary under mutations, and browsers vary
|
||||
// in how they mutate for splitText, so let's just force the correct
|
||||
// way.
|
||||
var start = [range.startContainer, range.startOffset];
|
||||
var end = [range.endContainer, range.endOffset];
|
||||
|
||||
referenceNode = range.startContainer.splitText(range.startOffset);
|
||||
|
||||
if (start[0] == end[0]
|
||||
&& end[1] > start[1]) {
|
||||
end[0] = referenceNode;
|
||||
end[1] -= start[1];
|
||||
} else if (end[0] == start[0].parentNode
|
||||
&& end[1] > indexOf(referenceNode)) {
|
||||
end[1]++;
|
||||
}
|
||||
range.setStart(start[0], start[1]);
|
||||
range.setEnd(end[0], end[1]);
|
||||
|
||||
// "Otherwise, let reference node be the child of start node whose index is
|
||||
// start offset, or null if there is no such child."
|
||||
} else {
|
||||
referenceNode = range.startContainer.childNodes[range.startOffset];
|
||||
if (typeof referenceNode == "undefined") {
|
||||
referenceNode = null;
|
||||
}
|
||||
}
|
||||
|
||||
// "If reference node is null, let parent be start node."
|
||||
var parent_;
|
||||
if (!referenceNode) {
|
||||
parent_ = range.startContainer;
|
||||
|
||||
// "Otherwise, let parent be the parent of reference node."
|
||||
} else {
|
||||
parent_ = referenceNode.parentNode;
|
||||
}
|
||||
|
||||
// "Let new offset be the index of reference node, or parent's length if
|
||||
// reference node is null."
|
||||
var newOffset = referenceNode ? indexOf(referenceNode) : nodeLength(parent_);
|
||||
|
||||
// "Add node's length to new offset, if node is a DocumentFragment.
|
||||
// Otherwise add one to new offset."
|
||||
newOffset += node.nodeType == Node.DOCUMENT_FRAGMENT_NODE
|
||||
? nodeLength(node)
|
||||
: 1;
|
||||
|
||||
// "Pre-insert node into parent before reference node."
|
||||
try {
|
||||
parent_.insertBefore(node, referenceNode);
|
||||
} catch (e) {
|
||||
return getDomExceptionName(e);
|
||||
}
|
||||
|
||||
// "If start and end are the same, set end to (parent, new offset)."
|
||||
if (range.collapsed) {
|
||||
range.setEnd(parent_, newOffset);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Asserts that two nodes are equal, in the sense of isEqualNode(). If they
|
||||
* aren't, tries to print a relatively informative reason why not. TODO: Move
|
||||
* this to testharness.js?
|
||||
*/
|
||||
function assertNodesEqual(actual, expected, msg) {
|
||||
if (!actual.isEqualNode(expected)) {
|
||||
msg = "Actual and expected mismatch for " + msg + ". ";
|
||||
|
||||
while (actual && expected) {
|
||||
assert_true(actual.nodeType === expected.nodeType
|
||||
&& actual.nodeName === expected.nodeName
|
||||
&& actual.nodeValue === expected.nodeValue
|
||||
&& actual.childNodes.length === expected.childNodes.length,
|
||||
"First differing node: expected " + format_value(expected)
|
||||
+ ", got " + format_value(actual) + " [" + msg + "]");
|
||||
actual = nextNode(actual);
|
||||
expected = nextNode(expected);
|
||||
}
|
||||
|
||||
assert_unreached("DOMs were not equal but we couldn't figure out why");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Given a DOMException, return the name (e.g., "HIERARCHY_REQUEST_ERR").
|
||||
*/
|
||||
function getDomExceptionName(e) {
|
||||
var ret = null;
|
||||
for (var prop in e) {
|
||||
if (/^[A-Z_]+_ERR$/.test(prop) && e[prop] == e.code) {
|
||||
return prop;
|
||||
}
|
||||
}
|
||||
|
||||
throw "Exception seems to not be a DOMException? " + e;
|
||||
}
|
||||
|
||||
/**
|
||||
* Given an array of endpoint data [start container, start offset, end
|
||||
* container, end offset], returns a Range with those endpoints.
|
||||
*/
|
||||
function rangeFromEndpoints(endpoints) {
|
||||
// If we just use document instead of the ownerDocument of endpoints[0],
|
||||
// WebKit will throw on setStart/setEnd. This is a WebKit bug, but it's in
|
||||
// range, not selection, so we don't want to fail anything for it.
|
||||
var range = ownerDocument(endpoints[0]).createRange();
|
||||
range.setStart(endpoints[0], endpoints[1]);
|
||||
range.setEnd(endpoints[2], endpoints[3]);
|
||||
return range;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue