mirror of
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210 lines
4.8 KiB
JavaScript
210 lines
4.8 KiB
JavaScript
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'use strict';
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var DOCUMENT_MODE = require('../common/html').DOCUMENT_MODE;
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//Node construction
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exports.createDocument = function () {
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return {
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nodeName: '#document',
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mode: DOCUMENT_MODE.NO_QUIRKS,
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childNodes: []
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};
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};
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exports.createDocumentFragment = function () {
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return {
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nodeName: '#document-fragment',
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childNodes: []
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};
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};
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exports.createElement = function (tagName, namespaceURI, attrs) {
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return {
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nodeName: tagName,
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tagName: tagName,
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attrs: attrs,
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namespaceURI: namespaceURI,
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childNodes: [],
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parentNode: null
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};
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};
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exports.createCommentNode = function (data) {
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return {
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nodeName: '#comment',
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data: data,
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parentNode: null
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};
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};
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var createTextNode = function (value) {
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return {
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nodeName: '#text',
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value: value,
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parentNode: null
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};
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};
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//Tree mutation
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var appendChild = exports.appendChild = function (parentNode, newNode) {
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parentNode.childNodes.push(newNode);
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newNode.parentNode = parentNode;
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};
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var insertBefore = exports.insertBefore = function (parentNode, newNode, referenceNode) {
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var insertionIdx = parentNode.childNodes.indexOf(referenceNode);
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parentNode.childNodes.splice(insertionIdx, 0, newNode);
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newNode.parentNode = parentNode;
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};
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exports.setTemplateContent = function (templateElement, contentElement) {
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templateElement.content = contentElement;
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};
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exports.getTemplateContent = function (templateElement) {
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return templateElement.content;
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};
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exports.setDocumentType = function (document, name, publicId, systemId) {
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var doctypeNode = null;
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for (var i = 0; i < document.childNodes.length; i++) {
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if (document.childNodes[i].nodeName === '#documentType') {
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doctypeNode = document.childNodes[i];
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break;
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}
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}
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if (doctypeNode) {
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doctypeNode.name = name;
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doctypeNode.publicId = publicId;
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doctypeNode.systemId = systemId;
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}
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else {
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appendChild(document, {
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nodeName: '#documentType',
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name: name,
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publicId: publicId,
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systemId: systemId
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});
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}
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};
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exports.setDocumentMode = function (document, mode) {
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document.mode = mode;
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};
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exports.getDocumentMode = function (document) {
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return document.mode;
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};
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exports.detachNode = function (node) {
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if (node.parentNode) {
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var idx = node.parentNode.childNodes.indexOf(node);
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node.parentNode.childNodes.splice(idx, 1);
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node.parentNode = null;
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}
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};
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exports.insertText = function (parentNode, text) {
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if (parentNode.childNodes.length) {
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var prevNode = parentNode.childNodes[parentNode.childNodes.length - 1];
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if (prevNode.nodeName === '#text') {
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prevNode.value += text;
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return;
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}
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}
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appendChild(parentNode, createTextNode(text));
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};
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exports.insertTextBefore = function (parentNode, text, referenceNode) {
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var prevNode = parentNode.childNodes[parentNode.childNodes.indexOf(referenceNode) - 1];
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if (prevNode && prevNode.nodeName === '#text')
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prevNode.value += text;
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else
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insertBefore(parentNode, createTextNode(text), referenceNode);
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};
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exports.adoptAttributes = function (recipient, attrs) {
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var recipientAttrsMap = [];
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for (var i = 0; i < recipient.attrs.length; i++)
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recipientAttrsMap.push(recipient.attrs[i].name);
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for (var j = 0; j < attrs.length; j++) {
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if (recipientAttrsMap.indexOf(attrs[j].name) === -1)
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recipient.attrs.push(attrs[j]);
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}
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};
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//Tree traversing
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exports.getFirstChild = function (node) {
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return node.childNodes[0];
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};
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exports.getChildNodes = function (node) {
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return node.childNodes;
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};
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exports.getParentNode = function (node) {
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return node.parentNode;
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};
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exports.getAttrList = function (element) {
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return element.attrs;
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};
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//Node data
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exports.getTagName = function (element) {
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return element.tagName;
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};
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exports.getNamespaceURI = function (element) {
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return element.namespaceURI;
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};
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exports.getTextNodeContent = function (textNode) {
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return textNode.value;
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};
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exports.getCommentNodeContent = function (commentNode) {
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return commentNode.data;
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};
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exports.getDocumentTypeNodeName = function (doctypeNode) {
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return doctypeNode.name;
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};
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exports.getDocumentTypeNodePublicId = function (doctypeNode) {
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return doctypeNode.publicId;
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};
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exports.getDocumentTypeNodeSystemId = function (doctypeNode) {
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return doctypeNode.systemId;
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};
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//Node types
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exports.isTextNode = function (node) {
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return node.nodeName === '#text';
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};
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exports.isCommentNode = function (node) {
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return node.nodeName === '#comment';
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};
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exports.isDocumentTypeNode = function (node) {
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return node.nodeName === '#documentType';
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};
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exports.isElementNode = function (node) {
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return !!node.tagName;
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};
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