URI support for BNA

Baselib/src/System/Text/DecoderNLS.cs

@@ -0,0 +1,11 @@
+
+namespace system.text
+{
+
+    // this class is referenced by System.IO.BinaryReader
+
+    public class DecoderNLS
+    {
+    }
+
+}

Baselib/src/System/Uri.cs

@@ -0,0 +1,138 @@
+
+using System;
+using System.Runtime.Serialization;
+
+namespace system
+{
+
+    public class Uri : ISerializable
+    {
+
+        [java.attr.RetainType] private java.net.URI JavaURI;
+
+        //
+        // Constructor
+        //
+
+        public Uri(string uriString, bool dontEscape, UriKind uriKind)
+        {
+            ThrowHelper.ThrowIfNull(uriString);
+            if (uriString == "")
+                throw new UriFormatException("empty URI");
+
+            if (! dontEscape)
+            {
+                if (uriKind != UriKind.Relative)
+                    uriString = java.net.URLEncoder.encode(uriString, "UTF-8");
+            }
+
+            try
+            {
+                JavaURI = new java.net.URI(uriString);
+            }
+            catch (java.net.URISyntaxException e)
+            {
+                throw new UriFormatException(e.getMessage(), e);
+            }
+
+            if (uriKind == UriKind.Absolute)
+            {
+                if (! JavaURI.isAbsolute())
+                    throw new UriFormatException("relative URI for " + uriKind);
+            }
+            else if (uriKind == UriKind.Relative)
+            {
+                if (JavaURI.isAbsolute())
+                    throw new UriFormatException("absolute URI for " + uriKind);
+            }
+            else if (uriKind != UriKind.RelativeOrAbsolute)
+            {
+                throw new ArgumentException();
+            }
+        }
+
+        //
+        // Constructors
+        //
+
+        public Uri(string uriString)
+            : this(uriString, false, UriKind.Absolute) { }
+
+        public Uri(string uriString, bool dontEscape)
+            : this(uriString, dontEscape, UriKind.Absolute) { }
+
+        public Uri(string uriString, UriKind uriKind)
+            : this(uriString, false, uriKind) { }
+
+        //
+        // Constructor
+        //
+
+        public Uri(Uri baseUri, Uri relativeUri)
+        {
+            ThrowHelper.ThrowIfNull(baseUri);
+            if (! baseUri.IsAbsoluteUri)
+                throw new ArgumentOutOfRangeException();
+
+            try
+            {
+                JavaURI = baseUri.JavaURI.resolve(relativeUri.JavaURI);
+            }
+            catch (java.net.URISyntaxException e)
+            {
+                throw new UriFormatException(e.getMessage(), e);
+            }
+        }
+
+        public Uri(Uri baseUri, string relativeUri, bool dontEscape)
+            : this(baseUri, new Uri(relativeUri, dontEscape)) { }
+
+        //
+        // Methods
+        //
+
+        public override string ToString() => JavaURI.ToString();
+        public override int GetHashCode() => JavaURI.GetHashCode();
+        public override bool Equals(object other)
+        {
+            var otherAsUri = other as Uri;
+            return (((object) otherAsUri) != null && JavaURI.Equals(otherAsUri.JavaURI));
+        }
+        public static bool operator ==(Uri uri1, Uri uri2)
+            => (uri1 == null) ? (uri2 == null) : uri1.Equals(uri2);
+        public static bool operator !=(Uri uri1, Uri uri2) => ! (uri1 == uri2);
+
+
+        //
+        // Properties
+        //
+
+        public   bool IsAbsoluteUri => JavaURI.isAbsolute();
+
+        public string AbsolutePath  => AbsoluteUriOrThrow.getPath();
+        public string AbsoluteUri   => AbsoluteUriOrThrow.ToString();
+        public string LocalPath     => AbsoluteUriOrThrow.getPath();
+        public string Authority     => AbsoluteUriOrThrow.getAuthority();
+        public string Host          => AbsoluteUriOrThrow.getHost();
+        public string Query         => AbsoluteUriOrThrow.getQuery();
+        public string Fragment      => AbsoluteUriOrThrow.getFragment();
+        public string Scheme        => AbsoluteUriOrThrow.getScheme();
+        public string UserInfo      => AbsoluteUriOrThrow.getUserInfo();
+        public    int Port          => AbsoluteUriOrThrow.getPort();
+        public   bool IsDefaultPort => Port == -1;
+        public   bool IsFile        => Scheme == "file";
+        public   bool IsUnc         => AbsoluteUriOrThrow.getPath()?.StartsWith("\\") ?? false;
+
+        private java.net.URI AbsoluteUriOrThrow
+            => JavaURI.isAbsolute() ? JavaURI
+             : throw new InvalidOperationException("not absolute URI");
+
+        //
+        // ISerializable
+        //
+
+        public void GetObjectData(SerializationInfo info, StreamingContext context)
+            => throw new PlatformNotSupportedException();
+
+    }
+}

Baselib/system.filter

@@ -7,3 +7,5 @@ System.ComponentModel.CategoryAttribute
 System.ComponentModel.DescriptionAttribute
 
 System.Text.RegularExpressions.RegexOptions
+
+System.UriKind