public static NamespaceUri Create(string namespaceName)
{
if (string.IsNullOrEmpty(namespaceName))
{
throw Failure.NullOrEmptyString(nameof(namespaceName));
}
return(Parse(namespaceName));
}
static Exception _TryParse(string text, out SegmentSequence[] results2) {
results2 = null;
if (string.IsNullOrEmpty(text)) {
return Failure.NullOrEmptyString(nameof(text));
}
List<SegmentSequence> results = new List<SegmentSequence>();
foreach (string sub in text.Split(';')) {
if (Path.IsPathRooted(sub) && NoSpecialChars(sub)) {
RootedSegmentSequence sequence = new RootedSegmentSequence(sub);
results.Add(sequence);
} else {
IteratedSegmentSequence segments;
_TryParseList(sub, out segments);
results.Add(segments);
}
}
results2 = results.ToArray();
return null;
}
static Exception _TryParse(string text, IServiceProvider serviceProvider, out QualifiedName result)
{
serviceProvider = serviceProvider ?? ServiceProvider.Null;
result = null;
if (string.IsNullOrEmpty(text))
{
throw Failure.NullOrEmptyString(nameof(text));
}
// Remove decorations: [prefix:b] ==> prefix:b
if (text[0] == '[' && text[text.Length - 1] == ']')
{
text = text.Substring(1, text.Length - 2);
}
else if (text[0] == '{')
{
int num = text.LastIndexOf('}');
if ((num <= 1) || (num == (text.Length - 1)))
{
return(Failure.NotParsable("text", typeof(QualifiedName)));
}
if (num - 1 == 0)
{
// The default namespace is used (as in '{} expandedName')
result = NamespaceUri.Default.GetName(text.Trim());
return(null);
}
else
{
// Some other namespace is used
string ns = text.Substring(1, num - 1);
string localName = text.Substring(num + 1).Trim();
NamespaceUri nu = NamespaceUri._TryParse(ns, false);
if (nu == null)
{
return(Failure.NotParsable("text", typeof(QualifiedName)));
}
result = nu.GetName(localName);
return(null);
}
}
if (!text.Contains(":"))
{
result = NamespaceUri.Default.GetName(text.Trim());
return(null);
}
var resolver = (IXmlNamespaceResolver)serviceProvider.GetService(typeof(IXmlNamespaceResolver))
?? XmlNamespaceResolver.Global;
int index = text.IndexOf(':');
string prefix = text.Substring(0, index);
string name = text.Substring(index + 1);
string fullNs = resolver.LookupNamespace(prefix);
if (fullNs != null)
{
result = QualifiedName.Create(fullNs, name);
return(null);
}
return(Failure.NotParsable("text", typeof(QualifiedName), RuntimeFailure.CannotExpandPrefixNotFound(prefix)));
}