82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
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var select = require('xpath').select
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function findAttr(node, localName, namespace) {
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for (var i = 0; i<node.attributes.length; i++) {
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var attr = node.attributes[i]
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if (attrEqualsExplicitly(attr, localName, namespace) || attrEqualsImplicitly(attr, localName, namespace, node)) {
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return attr
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}
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}
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return null
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}
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function findFirst(doc, xpath) {
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var nodes = select(xpath, doc)
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if (nodes.length==0) throw "could not find xpath " + xpath
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return nodes[0]
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}
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function findChilds(node, localName, namespace) {
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node = node.documentElement || node;
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var res = []
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for (var i = 0; i<node.childNodes.length; i++) {
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var child = node.childNodes[i]
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if (child.localName==localName && (child.namespaceURI==namespace || !namespace)) {
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res.push(child)
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}
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}
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return res
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}
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function attrEqualsExplicitly(attr, localName, namespace) {
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return attr.localName==localName && (attr.namespaceURI==namespace || !namespace)
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}
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function attrEqualsImplicitly(attr, localName, namespace, node) {
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return attr.localName==localName && ((!attr.namespaceURI && node.namespaceURI==namespace) || !namespace)
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}
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var xml_special_to_encoded_attribute = {
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'&': '&',
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'<': '<',
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'"': '"',
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'\r': '
',
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'\n': '
',
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'\t': '	'
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}
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var xml_special_to_encoded_text = {
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'&': '&',
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'<': '<',
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'>': '>',
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'\r': '
'
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}
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function encodeSpecialCharactersInAttribute(attributeValue){
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return attributeValue
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.replace(/([&<"\r\n\t])/g, function(str, item){
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// Special character normalization. See:
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// - https://www.w3.org/TR/xml-c14n#ProcessingModel (Attribute Nodes)
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// - https://www.w3.org/TR/xml-c14n#Example-Chars
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return xml_special_to_encoded_attribute[item]
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})
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}
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function encodeSpecialCharactersInText(text){
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return text
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.replace(/([&<>\r])/g, function(str, item){
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// Special character normalization. See:
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// - https://www.w3.org/TR/xml-c14n#ProcessingModel (Text Nodes)
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// - https://www.w3.org/TR/xml-c14n#Example-Chars
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return xml_special_to_encoded_text[item]
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})
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}
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exports.findAttr = findAttr
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exports.findChilds = findChilds
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exports.encodeSpecialCharactersInAttribute = encodeSpecialCharactersInAttribute
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exports.encodeSpecialCharactersInText = encodeSpecialCharactersInText
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exports.findFirst = findFirst
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