Add runtime classes so that PathRelativeFileReader works on .NET

4 files changed, 79 insertions, 1 deletions

diff --git a/dotnet/Mammoth/Couscous/java/net/URI.cs b/dotnet/Mammoth/Couscous/java/net/URI.cs
new file mode 100644
index 0000000..818d694
--- /dev/null
+++ b/dotnet/Mammoth/Couscous/java/net/URI.cs
@@ -0,0 +1,42 @@
+using System;
+
+namespace Mammoth.Couscous.java.net {
+    internal class URI {
+        private readonly Uri _uri;
+        
+        internal URI(string uri) {
+            try {
+                _uri = new Uri(uri, UriKind.RelativeOrAbsolute);
+            } catch (UriFormatException exception) {
+                throw new URISyntaxException(exception.Message);
+            }
+        }
+        
+        internal URI(Uri uri) {
+            _uri = uri;
+        }
+        
+        internal bool isAbsolute() {
+            return _uri.IsAbsoluteUri;
+        }
+        
+        internal URL toURL() {
+            return new URL(_uri.ToString());
+        }
+        
+        internal URI resolve(string relativeUri) {
+            if (new URI(relativeUri).isAbsolute()) {
+                return new URI(relativeUri);
+            } else if (_uri.IsAbsoluteUri) {
+                return new URI(new Uri(_uri, relativeUri));
+            } else {
+                var path = _uri.ToString();
+                var lastSlashIndex = path.LastIndexOf("/");
+                var basePath = lastSlashIndex == -1
+                    ?  "."
+                    : path.Substring(0, lastSlashIndex + 1);
+                return new URI(basePath + relativeUri);
+            }
+        }
+    }
+}
diff --git a/dotnet/Mammoth/Couscous/java/net/URISyntaxException.cs b/dotnet/Mammoth/Couscous/java/net/URISyntaxException.cs
new file mode 100644
index 0000000..7380ff6
--- /dev/null
+++ b/dotnet/Mammoth/Couscous/java/net/URISyntaxException.cs
@@ -0,0 +1,6 @@
+namespace Mammoth.Couscous.java.net {
+    internal class URISyntaxException : System.Exception {
+        internal URISyntaxException(string message) : base(message) {
+        }
+    }
+}
diff --git a/dotnet/Mammoth/Couscous/java/net/URL.cs b/dotnet/Mammoth/Couscous/java/net/URL.cs
new file mode 100644
index 0000000..af6e021
--- /dev/null
+++ b/dotnet/Mammoth/Couscous/java/net/URL.cs
@@ -0,0 +1,26 @@
+using System.Net;
+using Mammoth.Couscous.java.io;
+
+namespace Mammoth.Couscous.java.net {
+    internal class URL {
+        private readonly string _url;
+        
+        internal URL(string url) {
+            _url = url;
+        }
+        
+        internal InputStream openStream() {
+            try {
+                var response = WebRequest.Create(_url).GetResponse();
+                try {
+                    return ToJava.StreamToInputStream(response.GetResponseStream());
+                } catch {
+                    response.Close();
+                    throw;
+                }
+            } catch (System.UriFormatException) {
+                return ToJava.StreamToInputStream(System.IO.File.OpenRead(_url));
+            }
+        }
+    }
+}
diff --git a/dotnet/Mammoth/Couscous/java/nio/file/Path.cs b/dotnet/Mammoth/Couscous/java/nio/file/Path.cs
index 032b4bb..030f757 100644
--- a/dotnet/Mammoth/Couscous/java/nio/file/Path.cs
+++ b/dotnet/Mammoth/Couscous/java/nio/file/Path.cs
@@ -1,4 +1,4 @@
-using System;
+using Mammoth.Couscous.java.net;
 
 namespace Mammoth.Couscous.java.nio.file {
 	internal class Path {
@@ -7,6 +7,10 @@ namespace Mammoth.Couscous.java.nio.file {
 		internal Path(string path) {
 			_path = path;
 		}
+
+        internal URI toUri() {
+            return new URI(_path);
+        }
 	}
 }