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Unified Diff: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/common.js

Issue 1988983002: Move the dom directory from web-platform-tests/ to wpt/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 7 months ago
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Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/common.js
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/common.js b/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/common.js
deleted file mode 100644
index 70367b2efff769b3b34121958c0be682ea005820..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/common.js
+++ /dev/null
@@ -1,1083 +0,0 @@
-"use strict";
-// Written by Aryeh Gregor <ayg@aryeh.name>
-
-// TODO: iframes, contenteditable/designMode
-
-// Everything is done in functions in this test harness, so we have to declare
-// all the variables before use to make sure they can be reused.
-var testDiv, paras, detachedDiv, detachedPara1, detachedPara2,
- foreignDoc, foreignPara1, foreignPara2, xmlDoc, xmlElement,
- detachedXmlElement, detachedTextNode, foreignTextNode,
- detachedForeignTextNode, xmlTextNode, detachedXmlTextNode,
- processingInstruction, detachedProcessingInstruction, comment,
- detachedComment, foreignComment, detachedForeignComment, xmlComment,
- detachedXmlComment, docfrag, foreignDocfrag, xmlDocfrag, doctype,
- foreignDoctype, xmlDoctype;
-var testRangesShort, testRanges, testPoints, testNodesShort, testNodes;
-
-function setupRangeTests() {
- testDiv = document.querySelector("#test");
- if (testDiv) {
- testDiv.parentNode.removeChild(testDiv);
- }
- testDiv = document.createElement("div");
- testDiv.id = "test";
- document.body.insertBefore(testDiv, document.body.firstChild);
-
- paras = [];
- paras.push(document.createElement("p"));
- paras[0].setAttribute("id", "a");
- // Test some diacritics, to make sure browsers are using code units here
- // and not something like grapheme clusters.
- paras[0].textContent = "A\u0308b\u0308c\u0308d\u0308e\u0308f\u0308g\u0308h\u0308\n";
- testDiv.appendChild(paras[0]);
-
- paras.push(document.createElement("p"));
- paras[1].setAttribute("id", "b");
- paras[1].setAttribute("style", "display:none");
- paras[1].textContent = "Ijklmnop\n";
- testDiv.appendChild(paras[1]);
-
- paras.push(document.createElement("p"));
- paras[2].setAttribute("id", "c");
- paras[2].textContent = "Qrstuvwx";
- testDiv.appendChild(paras[2]);
-
- paras.push(document.createElement("p"));
- paras[3].setAttribute("id", "d");
- paras[3].setAttribute("style", "display:none");
- paras[3].textContent = "Yzabcdef";
- testDiv.appendChild(paras[3]);
-
- paras.push(document.createElement("p"));
- paras[4].setAttribute("id", "e");
- paras[4].setAttribute("style", "display:none");
- paras[4].textContent = "Ghijklmn";
- testDiv.appendChild(paras[4]);
-
- detachedDiv = document.createElement("div");
- detachedPara1 = document.createElement("p");
- detachedPara1.appendChild(document.createTextNode("Opqrstuv"));
- detachedPara2 = document.createElement("p");
- detachedPara2.appendChild(document.createTextNode("Wxyzabcd"));
- detachedDiv.appendChild(detachedPara1);
- detachedDiv.appendChild(detachedPara2);
-
- // Opera doesn't automatically create a doctype for a new HTML document,
- // contrary to spec. It also doesn't let you add doctypes to documents
- // after the fact through any means I've tried. So foreignDoc in Opera
- // will have no doctype, foreignDoctype will be null, and Opera will fail
- // some tests somewhat mysteriously as a result.
- foreignDoc = document.implementation.createHTMLDocument("");
- foreignPara1 = foreignDoc.createElement("p");
- foreignPara1.appendChild(foreignDoc.createTextNode("Efghijkl"));
- foreignPara2 = foreignDoc.createElement("p");
- foreignPara2.appendChild(foreignDoc.createTextNode("Mnopqrst"));
- foreignDoc.body.appendChild(foreignPara1);
- foreignDoc.body.appendChild(foreignPara2);
-
- // Now we get to do really silly stuff, which nobody in the universe is
- // ever going to actually do, but the spec defines behavior, so too bad.
- // Testing is fun!
- xmlDoctype = document.implementation.createDocumentType("qorflesnorf", "abcde", "x\"'y");
- xmlDoc = document.implementation.createDocument(null, null, xmlDoctype);
- detachedXmlElement = xmlDoc.createElement("everyone-hates-hyphenated-element-names");
- detachedTextNode = document.createTextNode("Uvwxyzab");
- detachedForeignTextNode = foreignDoc.createTextNode("Cdefghij");
- detachedXmlTextNode = xmlDoc.createTextNode("Klmnopqr");
- // PIs only exist in XML documents, so don't bother with document or
- // foreignDoc.
- detachedProcessingInstruction = xmlDoc.createProcessingInstruction("whippoorwill", "chirp chirp chirp");
- detachedComment = document.createComment("Stuvwxyz");
- // Hurrah, we finally got to "z" at the end!
- detachedForeignComment = foreignDoc.createComment("אריה יהודה");
- detachedXmlComment = xmlDoc.createComment("בן חיים אליעזר");
-
- // We should also test with document fragments that actually contain stuff
- // . . . but, maybe later.
- docfrag = document.createDocumentFragment();
- foreignDocfrag = foreignDoc.createDocumentFragment();
- xmlDocfrag = xmlDoc.createDocumentFragment();
-
- xmlElement = xmlDoc.createElement("igiveuponcreativenames");
- xmlTextNode = xmlDoc.createTextNode("do re mi fa so la ti");
- xmlElement.appendChild(xmlTextNode);
- 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?');
- xmlDoc.appendChild(xmlElement);
- xmlDoc.appendChild(processingInstruction);
- 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");
- xmlDoc.appendChild(xmlComment);
-
- comment = document.createComment("Alphabet soup?");
- testDiv.appendChild(comment);
-
- foreignComment = foreignDoc.createComment('"Commenter" and "commentator" mean different things. I\'ve seen non-native speakers trip up on this.');
- foreignDoc.appendChild(foreignComment);
- 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.");
- foreignDoc.body.appendChild(foreignTextNode);
-
- doctype = document.doctype;
- foreignDoctype = foreignDoc.doctype;
-
- testRangesShort = [
- // Various ranges within the text node children of different
- // paragraphs. All should be valid.
- "[paras[0].firstChild, 0, paras[0].firstChild, 0]",
- "[paras[0].firstChild, 0, paras[0].firstChild, 1]",
- "[paras[0].firstChild, 2, paras[0].firstChild, 8]",
- "[paras[0].firstChild, 2, paras[0].firstChild, 9]",
- "[paras[1].firstChild, 0, paras[1].firstChild, 0]",
- "[paras[1].firstChild, 2, paras[1].firstChild, 9]",
- "[detachedPara1.firstChild, 0, detachedPara1.firstChild, 0]",
- "[detachedPara1.firstChild, 2, detachedPara1.firstChild, 8]",
- "[foreignPara1.firstChild, 0, foreignPara1.firstChild, 0]",
- "[foreignPara1.firstChild, 2, foreignPara1.firstChild, 8]",
- // Now try testing some elements, not just text nodes.
- "[document.documentElement, 0, document.documentElement, 1]",
- "[document.documentElement, 0, document.documentElement, 2]",
- "[document.documentElement, 1, document.documentElement, 2]",
- "[document.head, 1, document.head, 1]",
- "[document.body, 4, document.body, 5]",
- "[foreignDoc.documentElement, 0, foreignDoc.documentElement, 1]",
- "[paras[0], 0, paras[0], 1]",
- "[detachedPara1, 0, detachedPara1, 1]",
- // Now try some ranges that span elements.
- "[paras[0].firstChild, 0, paras[1].firstChild, 0]",
- "[paras[0].firstChild, 0, paras[1].firstChild, 8]",
- "[paras[0].firstChild, 3, paras[3], 1]",
- // How about something that spans a node and its descendant?
- "[paras[0], 0, paras[0].firstChild, 7]",
- "[testDiv, 2, paras[4], 1]",
- // Then a few more interesting things just for good measure.
- "[document, 0, document, 1]",
- "[document, 0, document, 2]",
- "[comment, 2, comment, 3]",
- "[testDiv, 0, comment, 5]",
- "[foreignDoc, 1, foreignComment, 2]",
- "[foreignDoc.body, 0, foreignTextNode, 36]",
- "[xmlDoc, 1, xmlComment, 0]",
- "[detachedTextNode, 0, detachedTextNode, 8]",
- "[detachedForeignTextNode, 0, detachedForeignTextNode, 8]",
- "[detachedXmlTextNode, 0, detachedXmlTextNode, 8]",
- "[detachedComment, 3, detachedComment, 4]",
- "[detachedForeignComment, 0, detachedForeignComment, 1]",
- "[detachedXmlComment, 2, detachedXmlComment, 6]",
- "[docfrag, 0, docfrag, 0]",
- "[processingInstruction, 0, processingInstruction, 4]",
- ];
-
- testRanges = testRangesShort.concat([
- "[paras[1].firstChild, 0, paras[1].firstChild, 1]",
- "[paras[1].firstChild, 2, paras[1].firstChild, 8]",
- "[detachedPara1.firstChild, 0, detachedPara1.firstChild, 1]",
- "[foreignPara1.firstChild, 0, foreignPara1.firstChild, 1]",
- "[foreignDoc.head, 1, foreignDoc.head, 1]",
- "[foreignDoc.body, 0, foreignDoc.body, 0]",
- "[paras[0], 0, paras[0], 0]",
- "[detachedPara1, 0, detachedPara1, 0]",
- "[testDiv, 1, paras[2].firstChild, 5]",
- "[document.documentElement, 1, document.body, 0]",
- "[foreignDoc.documentElement, 1, foreignDoc.body, 0]",
- "[document, 1, document, 2]",
- "[paras[2].firstChild, 4, comment, 2]",
- "[paras[3], 1, comment, 8]",
- "[foreignDoc, 0, foreignDoc, 0]",
- "[xmlDoc, 0, xmlDoc, 0]",
- "[detachedForeignTextNode, 7, detachedForeignTextNode, 7]",
- "[detachedXmlTextNode, 7, detachedXmlTextNode, 7]",
- "[detachedComment, 5, detachedComment, 5]",
- "[detachedForeignComment, 4, detachedForeignComment, 4]",
- "[foreignDocfrag, 0, foreignDocfrag, 0]",
- "[xmlDocfrag, 0, xmlDocfrag, 0]",
- ]);
-
- testPoints = [
- // Various positions within the page, some invalid. Remember that
- // paras[0] is visible, and paras[1] is display: none.
- "[paras[0].firstChild, -1]",
- "[paras[0].firstChild, 0]",
- "[paras[0].firstChild, 1]",
- "[paras[0].firstChild, 2]",
- "[paras[0].firstChild, 8]",
- "[paras[0].firstChild, 9]",
- "[paras[0].firstChild, 10]",
- "[paras[0].firstChild, 65535]",
- "[paras[1].firstChild, -1]",
- "[paras[1].firstChild, 0]",
- "[paras[1].firstChild, 1]",
- "[paras[1].firstChild, 2]",
- "[paras[1].firstChild, 8]",
- "[paras[1].firstChild, 9]",
- "[paras[1].firstChild, 10]",
- "[paras[1].firstChild, 65535]",
- "[detachedPara1.firstChild, 0]",
- "[detachedPara1.firstChild, 1]",
- "[detachedPara1.firstChild, 8]",
- "[detachedPara1.firstChild, 9]",
- "[foreignPara1.firstChild, 0]",
- "[foreignPara1.firstChild, 1]",
- "[foreignPara1.firstChild, 8]",
- "[foreignPara1.firstChild, 9]",
- // Now try testing some elements, not just text nodes.
- "[document.documentElement, -1]",
- "[document.documentElement, 0]",
- "[document.documentElement, 1]",
- "[document.documentElement, 2]",
- "[document.documentElement, 7]",
- "[document.head, 1]",
- "[document.body, 3]",
- "[foreignDoc.documentElement, 0]",
- "[foreignDoc.documentElement, 1]",
- "[foreignDoc.head, 0]",
- "[foreignDoc.body, 1]",
- "[paras[0], 0]",
- "[paras[0], 1]",
- "[paras[0], 2]",
- "[paras[1], 0]",
- "[paras[1], 1]",
- "[paras[1], 2]",
- "[detachedPara1, 0]",
- "[detachedPara1, 1]",
- "[testDiv, 0]",
- "[testDiv, 3]",
- // Then a few more interesting things just for good measure.
- "[document, -1]",
- "[document, 0]",
- "[document, 1]",
- "[document, 2]",
- "[document, 3]",
- "[comment, -1]",
- "[comment, 0]",
- "[comment, 4]",
- "[comment, 96]",
- "[foreignDoc, 0]",
- "[foreignDoc, 1]",
- "[foreignComment, 2]",
- "[foreignTextNode, 0]",
- "[foreignTextNode, 36]",
- "[xmlDoc, -1]",
- "[xmlDoc, 0]",
- "[xmlDoc, 1]",
- "[xmlDoc, 5]",
- "[xmlComment, 0]",
- "[xmlComment, 4]",
- "[processingInstruction, 0]",
- "[processingInstruction, 5]",
- "[processingInstruction, 9]",
- "[detachedTextNode, 0]",
- "[detachedTextNode, 8]",
- "[detachedForeignTextNode, 0]",
- "[detachedForeignTextNode, 8]",
- "[detachedXmlTextNode, 0]",
- "[detachedXmlTextNode, 8]",
- "[detachedProcessingInstruction, 12]",
- "[detachedComment, 3]",
- "[detachedComment, 5]",
- "[detachedForeignComment, 0]",
- "[detachedForeignComment, 4]",
- "[detachedXmlComment, 2]",
- "[docfrag, 0]",
- "[foreignDocfrag, 0]",
- "[xmlDocfrag, 0]",
- "[doctype, 0]",
- "[doctype, -17]",
- "[doctype, 1]",
- "[foreignDoctype, 0]",
- "[xmlDoctype, 0]",
- ];
-
- testNodesShort = [
- "paras[0]",
- "paras[0].firstChild",
- "paras[1].firstChild",
- "foreignPara1",
- "foreignPara1.firstChild",
- "detachedPara1",
- "detachedPara1.firstChild",
- "document",
- "detachedDiv",
- "foreignDoc",
- "foreignPara2",
- "xmlDoc",
- "xmlElement",
- "detachedTextNode",
- "foreignTextNode",
- "processingInstruction",
- "detachedProcessingInstruction",
- "comment",
- "detachedComment",
- "docfrag",
- "doctype",
- "foreignDoctype",
- ];
-
- testNodes = testNodesShort.concat([
- "paras[1]",
- "detachedPara2",
- "detachedPara2.firstChild",
- "testDiv",
- "detachedXmlElement",
- "detachedForeignTextNode",
- "xmlTextNode",
- "detachedXmlTextNode",
- "xmlComment",
- "foreignComment",
- "detachedForeignComment",
- "detachedXmlComment",
- "foreignDocfrag",
- "xmlDocfrag",
- "xmlDoctype",
- ]);
-}
-if ("setup" in window) {
- setup(setupRangeTests);
-} else {
- // Presumably we're running from within an iframe or something
- setupRangeTests();
-}
-
-/**
- * The "length" of a node as defined by the Ranges section of DOM4.
- */
-function nodeLength(node) {
- // "The length of a node node depends on node:
- //
- // "DocumentType
- // "0."
- if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
- return 0;
- }
- // "Text
- // "ProcessingInstruction
- // "Comment
- // "Its length attribute value."
- // Browsers don't historically support the length attribute on
- // ProcessingInstruction, so to avoid spurious failures, do
- // node.data.length instead of node.length.
- if (node.nodeType == Node.TEXT_NODE || node.nodeType == Node.PROCESSING_INSTRUCTION_NODE || node.nodeType == Node.COMMENT_NODE) {
- return node.data.length;
- }
- // "Any other node
- // "Its number of children."
- return node.childNodes.length;
-}
-
-/**
- * Returns the furthest ancestor of a Node as defined by the spec.
- */
-function furthestAncestor(node) {
- var root = node;
- while (root.parentNode != null) {
- root = root.parentNode;
- }
- return root;
-}
-
-/**
- * "The ancestor containers of a Node are the Node itself and all its
- * ancestors."
- *
- * Is node1 an ancestor container of node2?
- */
-function isAncestorContainer(node1, node2) {
- return node1 == node2 ||
- (node2.compareDocumentPosition(node1) & Node.DOCUMENT_POSITION_CONTAINS);
-}
-
-/**
- * Returns the first Node that's after node in tree order, or null if node is
- * the last Node.
- */
-function nextNode(node) {
- if (node.hasChildNodes()) {
- return node.firstChild;
- }
- return nextNodeDescendants(node);
-}
-
-/**
- * Returns the last Node that's before node in tree order, or null if node is
- * the first Node.
- */
-function previousNode(node) {
- if (node.previousSibling) {
- node = node.previousSibling;
- while (node.hasChildNodes()) {
- node = node.lastChild;
- }
- return node;
- }
- return node.parentNode;
-}
-
-/**
- * Returns the next Node that's after node and all its descendants in tree
- * order, or null if node is the last Node or an ancestor of it.
- */
-function nextNodeDescendants(node) {
- while (node && !node.nextSibling) {
- node = node.parentNode;
- }
- if (!node) {
- return null;
- }
- return node.nextSibling;
-}
-
-/**
- * Returns the ownerDocument of the Node, or the Node itself if it's a
- * Document.
- */
-function ownerDocument(node) {
- return node.nodeType == Node.DOCUMENT_NODE
- ? node
- : node.ownerDocument;
-}
-
-/**
- * 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) {
- // "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 is original end node, and they are a Text,
- // ProcessingInstruction, or Comment node:"
- if (range.startContainer == range.endContainer
- && (range.startContainer.nodeType == Node.TEXT_NODE
- || range.startContainer.nodeType == Node.PROCESSING_INSTRUCTION_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, ProcessingInstruction, or
- // Comment node:"
- if (firstPartiallyContainedChild
- && (firstPartiallyContainedChild.nodeType == Node.TEXT_NODE
- || firstPartiallyContainedChild.nodeType == Node.PROCESSING_INSTRUCTION_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, ProcessingInstruction, or
- // Comment node:"
- if (lastPartiallyContainedChild
- && (lastPartiallyContainedChild.nodeType == Node.TEXT_NODE
- || lastPartiallyContainedChild.nodeType == Node.PROCESSING_INSTRUCTION_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 meant
- * to be thrown, will return a string with the expected exception name, for
- * instance "HIERARCHY_REQUEST_ERR".
- */
-function myInsertNode(range, node) {
- // "If range's start node is a ProcessingInstruction or Comment node, or is
- // a Text node whose parent is null, or is node, throw an
- // "HierarchyRequestError" exception and terminate these steps."
- if (range.startContainer.nodeType == Node.PROCESSING_INSTRUCTION_NODE
- || range.startContainer.nodeType == Node.COMMENT_NODE
- || (range.startContainer.nodeType == Node.TEXT_NODE
- && !range.startContainer.parentNode)
- || range.startContainer == node) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- // "Let referenceNode be null."
- var referenceNode = null;
-
- // "If range's start node is a Text node, set referenceNode to that Text node."
- if (range.startContainer.nodeType == Node.TEXT_NODE) {
- referenceNode = range.startContainer;
-
- // "Otherwise, set referenceNode to the child of start node whose index is
- // start offset, and null if there is no such child."
- } else {
- if (range.startOffset < range.startContainer.childNodes.length) {
- referenceNode = range.startContainer.childNodes[range.startOffset];
- } else {
- referenceNode = null;
- }
- }
-
- // "Let parent be range's start node if referenceNode is null, and
- // referenceNode's parent otherwise."
- var parent_ = referenceNode === null ? range.startContainer :
- referenceNode.parentNode;
-
- // "Ensure pre-insertion validity of node into parent before
- // referenceNode."
- var error = ensurePreInsertionValidity(node, parent_, referenceNode);
- if (error) {
- return error;
- }
-
- // "If range's start node is a Text node, set referenceNode to the result
- // of splitting it with offset range's start offset."
- if (range.startContainer.nodeType == Node.TEXT_NODE) {
- referenceNode = range.startContainer.splitText(range.startOffset);
- }
-
- // "If node is referenceNode, set referenceNode to its next sibling."
- if (node == referenceNode) {
- referenceNode = referenceNode.nextSibling;
- }
-
- // "If node's parent is not null, remove node from its parent."
- if (node.parentNode) {
- node.parentNode.removeChild(node);
- }
-
- // "Let newOffset be parent's length if referenceNode is null, and
- // referenceNode's index otherwise."
- var newOffset = referenceNode === null ? nodeLength(parent_) :
- indexOf(referenceNode);
-
- // "Increase newOffset by node's length if node is a DocumentFragment node,
- // and one otherwise."
- newOffset += node.nodeType == Node.DOCUMENT_FRAGMENT_NODE ?
- nodeLength(node) : 1;
-
- // "Pre-insert node into parent before referenceNode."
- parent_.insertBefore(node, referenceNode);
-
- // "If range's start and end are the same, set range's end to (parent,
- // newOffset)."
- if (range.startContainer == range.endContainer
- && range.startOffset == range.endOffset) {
- range.setEnd(parent_, newOffset);
- }
-}
-
-// To make filter() calls more readable
-function isElement(node) {
- return node.nodeType == Node.ELEMENT_NODE;
-}
-
-function isText(node) {
- return node.nodeType == Node.TEXT_NODE;
-}
-
-function isDoctype(node) {
- return node.nodeType == Node.DOCUMENT_TYPE_NODE;
-}
-
-function ensurePreInsertionValidity(node, parent_, child) {
- // "If parent is not a Document, DocumentFragment, or Element node, throw a
- // HierarchyRequestError."
- if (parent_.nodeType != Node.DOCUMENT_NODE
- && parent_.nodeType != Node.DOCUMENT_FRAGMENT_NODE
- && parent_.nodeType != Node.ELEMENT_NODE) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- // "If node is a host-including inclusive ancestor of parent, throw a
- // HierarchyRequestError."
- //
- // XXX Does not account for host
- if (isInclusiveAncestor(node, parent_)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- // "If child is not null and its parent is not parent, throw a NotFoundError
- // exception."
- if (child && child.parentNode != parent_) {
- return "NOT_FOUND_ERR";
- }
-
- // "If node is not a DocumentFragment, DocumentType, Element, Text,
- // ProcessingInstruction, or Comment node, throw a HierarchyRequestError."
- if (node.nodeType != Node.DOCUMENT_FRAGMENT_NODE
- && node.nodeType != Node.DOCUMENT_TYPE_NODE
- && node.nodeType != Node.ELEMENT_NODE
- && node.nodeType != Node.TEXT_NODE
- && node.nodeType != Node.PROCESSING_INSTRUCTION_NODE
- && node.nodeType != Node.COMMENT_NODE) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- // "If either node is a Text node and parent is a document, or node is a
- // doctype and parent is not a document, throw a HierarchyRequestError."
- if ((node.nodeType == Node.TEXT_NODE
- && parent_.nodeType == Node.DOCUMENT_NODE)
- || (node.nodeType == Node.DOCUMENT_TYPE_NODE
- && parent_.nodeType != Node.DOCUMENT_NODE)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- // "If parent is a document, and any of the statements below, switched on
- // node, are true, throw a HierarchyRequestError."
- if (parent_.nodeType == Node.DOCUMENT_NODE) {
- switch (node.nodeType) {
- case Node.DOCUMENT_FRAGMENT_NODE:
- // "If node has more than one element child or has a Text node
- // child. Otherwise, if node has one element child and either
- // parent has an element child, child is a doctype, or child is not
- // null and a doctype is following child."
- if ([].filter.call(node.childNodes, isElement).length > 1) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if ([].some.call(node.childNodes, isText)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if ([].filter.call(node.childNodes, isElement).length == 1) {
- if ([].some.call(parent_.childNodes, isElement)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (child && child.nodeType == Node.DOCUMENT_TYPE_NODE) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (child && [].slice.call(parent_.childNodes, indexOf(child) + 1)
- .filter(isDoctype)) {
- return "HIERARCHY_REQUEST_ERR";
- }
- }
- break;
-
- case Node.ELEMENT_NODE:
- // "parent has an element child, child is a doctype, or child is
- // not null and a doctype is following child."
- if ([].some.call(parent_.childNodes, isElement)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (child.nodeType == Node.DOCUMENT_TYPE_NODE) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (child && [].slice.call(parent_.childNodes, indexOf(child) + 1)
- .filter(isDoctype)) {
- return "HIERARCHY_REQUEST_ERR";
- }
- break;
-
- case Node.DOCUMENT_TYPE_NODE:
- // "parent has a doctype child, an element is preceding child, or
- // child is null and parent has an element child."
- if ([].some.call(parent_.childNodes, isDoctype)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (child && [].slice.call(parent_.childNodes, 0, indexOf(child))
- .some(isElement)) {
- return "HIERARCHY_REQUEST_ERR";
- }
-
- if (!child && [].some.call(parent_.childNodes, isElement)) {
- return "HIERARCHY_REQUEST_ERR";
- }
- break;
- }
- }
-}
-
-/**
- * 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,
- "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;
-}
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