diff options
Diffstat (limited to 'tools/eslint/node_modules/parse5/lib/tree_adapters/htmlparser2.js')
-rw-r--r-- | tools/eslint/node_modules/parse5/lib/tree_adapters/htmlparser2.js | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/parse5/lib/tree_adapters/htmlparser2.js b/tools/eslint/node_modules/parse5/lib/tree_adapters/htmlparser2.js new file mode 100644 index 00000000000..22413144197 --- /dev/null +++ b/tools/eslint/node_modules/parse5/lib/tree_adapters/htmlparser2.js @@ -0,0 +1,327 @@ +'use strict'; + +var doctype = require('../common/doctype'); + +//Conversion tables for DOM Level1 structure emulation +var nodeTypes = { + element: 1, + text: 3, + cdata: 4, + comment: 8 +}; + +var nodePropertyShorthands = { + tagName: 'name', + childNodes: 'children', + parentNode: 'parent', + previousSibling: 'prev', + nextSibling: 'next', + nodeValue: 'data' +}; + +//Node +var Node = function (props) { + for (var key in props) { + if (props.hasOwnProperty(key)) + this[key] = props[key]; + } +}; + +Node.prototype = { + get firstChild() { + var children = this.children; + + return children && children[0] || null; + }, + + get lastChild() { + var children = this.children; + + return children && children[children.length - 1] || null; + }, + + get nodeType() { + return nodeTypes[this.type] || nodeTypes.element; + } +}; + +Object.keys(nodePropertyShorthands).forEach(function (key) { + var shorthand = nodePropertyShorthands[key]; + + Object.defineProperty(Node.prototype, key, { + get: function () { + return this[shorthand] || null; + }, + set: function (val) { + this[shorthand] = val; + return val; + } + }); +}); + + +//Node construction +exports.createDocument = + exports.createDocumentFragment = function () { + return new Node({ + type: 'root', + name: 'root', + parent: null, + prev: null, + next: null, + children: [] + }); + }; + +exports.createElement = function (tagName, namespaceURI, attrs) { + var attribs = {}, + attribsNamespace = {}, + attribsPrefix = {}; + + for (var i = 0; i < attrs.length; i++) { + var attrName = attrs[i].name; + + attribs[attrName] = attrs[i].value; + attribsNamespace[attrName] = attrs[i].namespace; + attribsPrefix[attrName] = attrs[i].prefix; + } + + return new Node({ + type: tagName === 'script' || tagName === 'style' ? tagName : 'tag', + name: tagName, + namespace: namespaceURI, + attribs: attribs, + 'x-attribsNamespace': attribsNamespace, + 'x-attribsPrefix': attribsPrefix, + children: [], + parent: null, + prev: null, + next: null + }); +}; + +exports.createCommentNode = function (data) { + return new Node({ + type: 'comment', + data: data, + parent: null, + prev: null, + next: null + }); +}; + +var createTextNode = function (value) { + return new Node({ + type: 'text', + data: value, + parent: null, + prev: null, + next: null + }); +}; + + +//Tree mutation +var appendChild = exports.appendChild = function (parentNode, newNode) { + var prev = parentNode.children[parentNode.children.length - 1]; + + if (prev) { + prev.next = newNode; + newNode.prev = prev; + } + + parentNode.children.push(newNode); + newNode.parent = parentNode; +}; + +var insertBefore = exports.insertBefore = function (parentNode, newNode, referenceNode) { + var insertionIdx = parentNode.children.indexOf(referenceNode), + prev = referenceNode.prev; + + if (prev) { + prev.next = newNode; + newNode.prev = prev; + } + + referenceNode.prev = newNode; + newNode.next = referenceNode; + + parentNode.children.splice(insertionIdx, 0, newNode); + newNode.parent = parentNode; +}; + +exports.setTemplateContent = function (templateElement, contentElement) { + appendChild(templateElement, contentElement); +}; + +exports.getTemplateContent = function (templateElement) { + return templateElement.children[0]; +}; + +exports.setDocumentType = function (document, name, publicId, systemId) { + var data = doctype.serializeContent(name, publicId, systemId), + doctypeNode = null; + + for (var i = 0; i < document.children.length; i++) { + if (document.children[i].type === 'directive' && document.children[i].name === '!doctype') { + doctypeNode = document.children[i]; + break; + } + } + + if (doctypeNode) { + doctypeNode.data = data; + doctypeNode['x-name'] = name; + doctypeNode['x-publicId'] = publicId; + doctypeNode['x-systemId'] = systemId; + } + + else { + appendChild(document, new Node({ + type: 'directive', + name: '!doctype', + data: data, + 'x-name': name, + 'x-publicId': publicId, + 'x-systemId': systemId + })); + } + +}; + +exports.setQuirksMode = function (document) { + document.quirksMode = true; +}; + +exports.isQuirksMode = function (document) { + return document.quirksMode; +}; + +exports.detachNode = function (node) { + if (node.parent) { + var idx = node.parent.children.indexOf(node), + prev = node.prev, + next = node.next; + + node.prev = null; + node.next = null; + + if (prev) + prev.next = next; + + if (next) + next.prev = prev; + + node.parent.children.splice(idx, 1); + node.parent = null; + } +}; + +exports.insertText = function (parentNode, text) { + var lastChild = parentNode.children[parentNode.children.length - 1]; + + if (lastChild && lastChild.type === 'text') + lastChild.data += text; + else + appendChild(parentNode, createTextNode(text)); +}; + +exports.insertTextBefore = function (parentNode, text, referenceNode) { + var prevNode = parentNode.children[parentNode.children.indexOf(referenceNode) - 1]; + + if (prevNode && prevNode.type === 'text') + prevNode.data += text; + else + insertBefore(parentNode, createTextNode(text), referenceNode); +}; + +exports.adoptAttributes = function (recipientNode, attrs) { + for (var i = 0; i < attrs.length; i++) { + var attrName = attrs[i].name; + + if (typeof recipientNode.attribs[attrName] === 'undefined') { + recipientNode.attribs[attrName] = attrs[i].value; + recipientNode['x-attribsNamespace'][attrName] = attrs[i].namespace; + recipientNode['x-attribsPrefix'][attrName] = attrs[i].prefix; + } + } +}; + + +//Tree traversing +exports.getFirstChild = function (node) { + return node.children[0]; +}; + +exports.getChildNodes = function (node) { + return node.children; +}; + +exports.getParentNode = function (node) { + return node.parent; +}; + +exports.getAttrList = function (node) { + var attrList = []; + + for (var name in node.attribs) { + if (node.attribs.hasOwnProperty(name)) { + attrList.push({ + name: name, + value: node.attribs[name], + namespace: node['x-attribsNamespace'][name], + prefix: node['x-attribsPrefix'][name] + }); + } + } + + return attrList; +}; + + +//Node data +exports.getTagName = function (element) { + return element.name; +}; + +exports.getNamespaceURI = function (element) { + return element.namespace; +}; + +exports.getTextNodeContent = function (textNode) { + return textNode.data; +}; + +exports.getCommentNodeContent = function (commentNode) { + return commentNode.data; +}; + +exports.getDocumentTypeNodeName = function (doctypeNode) { + return doctypeNode['x-name']; +}; + +exports.getDocumentTypeNodePublicId = function (doctypeNode) { + return doctypeNode['x-publicId']; +}; + +exports.getDocumentTypeNodeSystemId = function (doctypeNode) { + return doctypeNode['x-systemId']; +}; + + +//Node types +exports.isTextNode = function (node) { + return node.type === 'text'; +}; + +exports.isCommentNode = function (node) { + return node.type === 'comment'; +}; + +exports.isDocumentTypeNode = function (node) { + return node.type === 'directive' && node.name === '!doctype'; +}; + +exports.isElementNode = function (node) { + return !!node.attribs; +}; |