validate-names.js
2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
"use strict";
const xnv = require("xml-name-validator");
const DOMException = require("domexception");
const { XML_NS, XMLNS_NS } = require("../helpers/namespaces");
// https://dom.spec.whatwg.org/#validate
exports.name = function (name) {
const result = xnv.name(name);
if (!result.success) {
throw new DOMException(
"\"" + name + "\" did not match the Name production: " + result.error,
"InvalidCharacterError"
);
}
};
exports.qname = function (qname) {
exports.name(qname);
const result = xnv.qname(qname);
if (!result.success) {
throw new DOMException(
"\"" + qname + "\" did not match the QName production: " + result.error,
"InvalidCharacterError"
);
}
};
exports.validateAndExtract = function (namespace, qualifiedName) {
if (namespace === "") {
namespace = null;
}
exports.qname(qualifiedName);
let prefix = null;
let localName = qualifiedName;
const colonIndex = qualifiedName.indexOf(":");
if (colonIndex !== -1) {
prefix = qualifiedName.substring(0, colonIndex);
localName = qualifiedName.substring(colonIndex + 1);
}
if (prefix !== null && namespace === null) {
throw new DOMException(
"A namespace was given but a prefix was also extracted from the qualifiedName",
"NamespaceError"
);
}
if (prefix === "xml" && namespace !== XML_NS) {
throw new DOMException(
"A prefix of \"xml\" was given but the namespace was not the XML namespace",
"NamespaceError"
);
}
if ((qualifiedName === "xmlns" || prefix === "xmlns") && namespace !== XMLNS_NS) {
throw new DOMException("A prefix or qualifiedName of \"xmlns\" was given but the namespace was not the XMLNS " +
"namespace", "NamespaceError");
}
if (namespace === XMLNS_NS && qualifiedName !== "xmlns" && prefix !== "xmlns") {
throw new DOMException(
"The XMLNS namespace was given but neither the prefix nor qualifiedName was \"xmlns\"",
"NamespaceError"
);
}
return { namespace, prefix, localName };
};