public static bool TryParse(
Uri identifier,
IReadOnlyCollection <IExtension> extensions,
out IUniformResourceIdentifier parsedIdentifier)
{
parsedIdentifier = null;
if (null == identifier)
{
throw new ArgumentNullException(UniformResourceIdentifier.ArgumentNameIdentifier);
}
IReadOnlyCollection <IExtension> effectiveExtensions =
extensions ?? Array.Empty <IExtension>();
IResourceQuery query = new ResourceQuery(identifier);
IReadOnlyCollection <string> alternatePathCollection =
effectiveExtensions
.Select(
(IExtension item) =>
string.Format(CultureInfo.InvariantCulture, UniformResourceIdentifier.AlternatePathTemplate, item.Path))
.ToArray();
string alternatePaths = string.Join(string.Empty, alternatePathCollection);
string retrievalPattern =
string.Format(CultureInfo.InvariantCulture, UniformResourceIdentifier.RetrievalPatternTemplate, alternatePaths);
Regex retrievalExpression = new Regex(retrievalPattern, RegexOptions.IgnoreCase);
Match expressionMatch = retrievalExpression.Match(identifier.AbsoluteUri);
if (!expressionMatch.Success)
{
return(false);
}
string type = expressionMatch.Groups[UniformResourceIdentifier.ExpressionGroupNameType].Value;
if (string.IsNullOrWhiteSpace(type))
{
return(false);
}
string schemaIdentifier;
switch (type)
{
case ProtocolConstants.PathGroups:
schemaIdentifier = SchemaIdentifiers.Core2Group;
break;
case ProtocolConstants.PathUsers:
schemaIdentifier = SchemaIdentifiers.Core2EnterpriseUser;
break;
default:
if (null == extensions)
{
return(false);
}
schemaIdentifier =
effectiveExtensions
.Where(
(IExtension item) =>
string.Equals(item.Path, type, StringComparison.OrdinalIgnoreCase))
.Select(
(IExtension item) =>
item.SchemaIdentifier)
.SingleOrDefault();
if (string.IsNullOrWhiteSpace(schemaIdentifier))
{
return(false);
}
break;
}
IResourceIdentifier resourceIdentifier = new ResourceIdentifier();
resourceIdentifier.SchemaIdentifier = schemaIdentifier;
string resourceIdentifierValue = expressionMatch.Groups[UniformResourceIdentifier.ExpressionGroupNameIdentifier].Value;
if (!string.IsNullOrWhiteSpace(resourceIdentifierValue))
{
string unescapedIdentifier = Uri.UnescapeDataString(resourceIdentifierValue);
resourceIdentifier.Identifier = unescapedIdentifier;
}
parsedIdentifier = new UniformResourceIdentifier(resourceIdentifier, query);
return(true);
}
/// <inheritdoc /> int IComparable <IUniformResourceIdentifier> .CompareTo(IUniformResourceIdentifier other) => ComparableImplementations.ImplementCompareTo(DefaultComparer, this, other);
/// <summary> /// Converts to a <see cref="Uri"/>. /// </summary> public static Uri ToUri(this IUniformResourceIdentifier @this) => new Uri(@this.ToString(), UriKind.Absolute);
/// <inheritdoc /> bool IEquatable <IUniformResourceIdentifier> .Equals(IUniformResourceIdentifier other) => ComparableImplementations.ImplementEquals(DefaultComparer, this, other);
/// <summary>
/// Converts to a <see cref="Uri"/>.
/// </summary>
public static Uri ToUri(this IUniformResourceIdentifier @this)
{
_ = @this ?? throw new ArgumentNullException(nameof(@this));
return(new Uri(@this.ToString(), UriKind.Absolute));
}
