diff options
Diffstat (limited to 'school/node_modules/w3c-xmlserializer/lib/serialize.js')
| -rw-r--r-- | school/node_modules/w3c-xmlserializer/lib/serialize.js | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/school/node_modules/w3c-xmlserializer/lib/serialize.js b/school/node_modules/w3c-xmlserializer/lib/serialize.js deleted file mode 100644 index c9533ba..0000000 --- a/school/node_modules/w3c-xmlserializer/lib/serialize.js +++ /dev/null @@ -1,371 +0,0 @@ -"use strict"; - -const xnv = require("xml-name-validator"); - -const attributeUtils = require("./attributes"); -const { NAMESPACES, VOID_ELEMENTS, NODE_TYPES } = require("./constants"); - -const XML_CHAR = /^(\x09|\x0A|\x0D|[\x20-\uD7FF]|[\uE000-\uFFFD]|(?:[\uD800-\uDBFF][\uDC00-\uDFFF]))*$/; -const PUBID_CHAR = /^(\x20|\x0D|\x0A|[a-zA-Z0-9]|[-'()+,./:=?;!*#@$_%])*$/; - -function asciiCaseInsensitiveMatch(a, b) { - if (a.length !== b.length) { - return false; - } - - for (let i = 0; i < a.length; ++i) { - if ((a.charCodeAt(i) | 32) !== (b.charCodeAt(i) | 32)) { - return false; - } - } - - return true; -} - -function recordNamespaceInformation(element, map, prefixMap) { - let defaultNamespaceAttrValue = null; - for (let i = 0; i < element.attributes.length; ++i) { - const attr = element.attributes[i]; - if (attr.namespaceURI === NAMESPACES.XMLNS) { - if (attr.prefix === null) { - defaultNamespaceAttrValue = attr.value; - continue; - } - let namespaceDefinition = attr.value; - if (namespaceDefinition === NAMESPACES.XML) { - continue; - } - // This is exactly the other way than the spec says, but that's intended. - // All the maps coalesce null to the empty string (explained in the - // spec), so instead of doing that every time, just do it once here. - if (namespaceDefinition === null) { - namespaceDefinition = ""; - } - - if ( - namespaceDefinition in map && - map[namespaceDefinition].includes(attr.localName) - ) { - continue; - } - if (!(namespaceDefinition in map)) { - map[namespaceDefinition] = []; - } - map[namespaceDefinition].push(attr.localName); - prefixMap[attr.localName] = namespaceDefinition; - } - } - return defaultNamespaceAttrValue; -} - -function serializeDocumentType(node, namespace, prefixMap, requireWellFormed) { - if (requireWellFormed && !PUBID_CHAR.test(node.publicId)) { - throw new Error("Failed to serialize XML: document type node publicId is not well-formed."); - } - - if ( - requireWellFormed && - (!XML_CHAR.test(node.systemId) || - (node.systemId.includes('"') && node.systemId.includes("'"))) - ) { - throw new Error("Failed to serialize XML: document type node systemId is not well-formed."); - } - - let markup = `<!DOCTYPE ${node.name}`; - if (node.publicId !== "") { - markup += ` PUBLIC "${node.publicId}"`; - } else if (node.systemId !== "") { - markup += " SYSTEM"; - } - if (node.systemId !== "") { - markup += ` "${node.systemId}"`; - } - return markup + ">"; -} - -function serializeProcessingInstruction( - node, - namespace, - prefixMap, - requireWellFormed -) { - if ( - requireWellFormed && - (node.target.includes(":") || asciiCaseInsensitiveMatch(node.target, "xml")) - ) { - throw new Error("Failed to serialize XML: processing instruction node target is not well-formed."); - } - if ( - requireWellFormed && - (!XML_CHAR.test(node.data) || node.data.includes("?>")) - ) { - throw new Error("Failed to serialize XML: processing instruction node data is not well-formed."); - } - return `<?${node.target} ${node.data}?>`; -} - -function serializeDocument( - node, - namespace, - prefixMap, - requireWellFormed, - refs -) { - if (requireWellFormed && node.documentElement === null) { - throw new Error("Failed to serialize XML: document does not have a document element."); - } - let serializedDocument = ""; - for (const child of node.childNodes) { - serializedDocument += xmlSerialization( - child, - namespace, - prefixMap, - requireWellFormed, - refs - ); - } - return serializedDocument; -} - -function serializeDocumentFragment( - node, - namespace, - prefixMap, - requireWellFormed, - refs -) { - let markup = ""; - for (const child of node.childNodes) { - markup += xmlSerialization( - child, - namespace, - prefixMap, - requireWellFormed, - refs - ); - } - return markup; -} - -function serializeText(node, namespace, prefixMap, requireWellFormed) { - if (requireWellFormed && !XML_CHAR.test(node.data)) { - throw new Error("Failed to serialize XML: text node data is not well-formed."); - } - - return node.data - .replace(/&/g, "&") - .replace(/</g, "<") - .replace(/>/g, ">"); -} - -function serializeComment(node, namespace, prefixMap, requireWellFormed) { - if (requireWellFormed && !XML_CHAR.test(node.data)) { - throw new Error("Failed to serialize XML: comment node data is not well-formed."); - } - - if ( - requireWellFormed && - (node.data.includes("--") || node.data.endsWith("-")) - ) { - throw new Error("Failed to serialize XML: found hyphens in illegal places in comment node data."); - } - return `<!--${node.data}-->`; -} - -function serializeElement(node, namespace, prefixMap, requireWellFormed, refs) { - if ( - requireWellFormed && - (node.localName.includes(":") || !xnv.name(node.localName)) - ) { - throw new Error("Failed to serialize XML: element node localName is not a valid XML name."); - } - let markup = "<"; - let qualifiedName = ""; - let skipEndTag = false; - let ignoreNamespaceDefinitionAttr = false; - const map = Object.assign({}, prefixMap); - const localPrefixesMap = Object.create(null); - const localDefaultNamespace = recordNamespaceInformation( - node, - map, - localPrefixesMap - ); - let inheritedNs = namespace; - const ns = node.namespaceURI; - if (inheritedNs === ns) { - if (localDefaultNamespace !== null) { - ignoreNamespaceDefinitionAttr = true; - } - if (ns === NAMESPACES.XML) { - qualifiedName = "xml:" + node.localName; - } else { - qualifiedName = node.localName; - } - markup += qualifiedName; - } else { - let { prefix } = node; - let candidatePrefix = attributeUtils.preferredPrefixString(map, ns, prefix); - if (prefix === "xmlns") { - if (requireWellFormed) { - throw new Error("Failed to serialize XML: element nodes can't have a prefix of \"xmlns\"."); - } - candidatePrefix = "xmlns"; - } - if (candidatePrefix !== null) { - qualifiedName = candidatePrefix + ":" + node.localName; - if ( - localDefaultNamespace !== null && - localDefaultNamespace !== NAMESPACES.XML - ) { - inheritedNs = - localDefaultNamespace === "" ? null : localDefaultNamespace; - } - markup += qualifiedName; - } else if (prefix !== null) { - if (prefix in localPrefixesMap) { - prefix = attributeUtils.generatePrefix(map, ns, refs.prefixIndex++); - } - if (map[ns]) { - map[ns].push(prefix); - } else { - map[ns] = [prefix]; - } - qualifiedName = prefix + ":" + node.localName; - markup += `${qualifiedName} xmlns:${prefix}="${attributeUtils.serializeAttributeValue( - ns, - requireWellFormed - )}"`; - if (localDefaultNamespace !== null) { - inheritedNs = - localDefaultNamespace === "" ? null : localDefaultNamespace; - } - } else if (localDefaultNamespace === null || localDefaultNamespace !== ns) { - ignoreNamespaceDefinitionAttr = true; - qualifiedName = node.localName; - inheritedNs = ns; - markup += `${qualifiedName} xmlns="${attributeUtils.serializeAttributeValue( - ns, - requireWellFormed - )}"`; - } else { - qualifiedName = node.localName; - inheritedNs = ns; - markup += qualifiedName; - } - } - - markup += attributeUtils.serializeAttributes( - node, - map, - localPrefixesMap, - ignoreNamespaceDefinitionAttr, - requireWellFormed, - refs - ); - - if ( - ns === NAMESPACES.HTML && - node.childNodes.length === 0 && - VOID_ELEMENTS.has(node.localName) - ) { - markup += " /"; - skipEndTag = true; - } else if (ns !== NAMESPACES.HTML && node.childNodes.length === 0) { - markup += "/"; - skipEndTag = true; - } - markup += ">"; - if (skipEndTag) { - return markup; - } - - if (ns === NAMESPACES.HTML && node.localName === "template") { - markup += xmlSerialization( - node.content, - inheritedNs, - map, - requireWellFormed, - refs - ); - } else { - for (const child of node.childNodes) { - markup += xmlSerialization( - child, - inheritedNs, - map, - requireWellFormed, - refs - ); - } - } - markup += `</${qualifiedName}>`; - return markup; -} - -function serializeCDATASection(node) { - return "<![CDATA[" + node.data + "]]>"; -} - -/** - * @param {{prefixIndex: number}} refs - */ -function xmlSerialization(node, namespace, prefixMap, requireWellFormed, refs) { - switch (node.nodeType) { - case NODE_TYPES.ELEMENT_NODE: - return serializeElement( - node, - namespace, - prefixMap, - requireWellFormed, - refs - ); - case NODE_TYPES.DOCUMENT_NODE: - return serializeDocument( - node, - namespace, - prefixMap, - requireWellFormed, - refs - ); - case NODE_TYPES.COMMENT_NODE: - return serializeComment(node, namespace, prefixMap, requireWellFormed); - case NODE_TYPES.TEXT_NODE: - return serializeText(node, namespace, prefixMap, requireWellFormed); - case NODE_TYPES.DOCUMENT_FRAGMENT_NODE: - return serializeDocumentFragment( - node, - namespace, - prefixMap, - requireWellFormed, - refs - ); - case NODE_TYPES.DOCUMENT_TYPE_NODE: - return serializeDocumentType( - node, - namespace, - prefixMap, - requireWellFormed - ); - case NODE_TYPES.PROCESSING_INSTRUCTION_NODE: - return serializeProcessingInstruction( - node, - namespace, - prefixMap, - requireWellFormed - ); - case NODE_TYPES.ATTRIBUTE_NODE: - return ""; - case NODE_TYPES.CDATA_SECTION_NODE: - return serializeCDATASection(node); - default: - throw new TypeError("Failed to serialize XML: only Nodes can be serialized."); - } -} - -module.exports = (root, { requireWellFormed = false } = {}) => { - const namespacePrefixMap = Object.create(null); - namespacePrefixMap["http://www.w3.org/XML/1998/namespace"] = ["xml"]; - return xmlSerialization(root, null, namespacePrefixMap, requireWellFormed, { - prefixIndex: 1 - }); -}; |