1 files changed, 171 insertions, 0 deletions
diff --git a/Crypto/src/util/Platform.cs b/Crypto/src/util/Platform.cs
new file mode 100644
index 000000000..52ace89e5
--- /dev/null
+++ b/Crypto/src/util/Platform.cs
@@ -0,0 +1,171 @@
+using System;
+using System.IO;
+using System.Text;
+
+#if SILVERLIGHT || PORTABLE
+using System.Collections.Generic;
+#else
+using System.Collections;
+#endif
+
+namespace Org.BouncyCastle.Utilities
+{
+ internal sealed class Platform
+ {
+ private Platform()
+ {
+ }
+
+#if NETCF_1_0 || NETCF_2_0
+ private static string GetNewLine()
+ {
+ MemoryStream buf = new MemoryStream();
+ StreamWriter w = new StreamWriter(buf, Encoding.UTF8);
+ w.WriteLine();
+ w.Close();
+ byte[] bs = buf.ToArray();
+ return Encoding.UTF8.GetString(bs, 0, bs.Length);
+ }
+#else
+ private static string GetNewLine()
+ {
+ return Environment.NewLine;
+ }
+#endif
+
+ internal static int CompareIgnoreCase(string a, string b)
+ {
+#if (SILVERLIGHT || PORTABLE)
+ return String.Compare(a, b, StringComparison.OrdinalIgnoreCase);
+#else
+ return String.Compare(a, b, true);
+#endif
+ }
+
+#if NETCF_1_0 || NETCF_2_0 || SILVERLIGHT || PORTABLE
+ internal static string GetEnvironmentVariable(
+ string variable)
+ {
+ return null;
+ }
+#else
+ internal static string GetEnvironmentVariable(
+ string variable)
+ {
+ try
+ {
+ return Environment.GetEnvironmentVariable(variable);
+ }
+ catch (System.Security.SecurityException)
+ {
+ // We don't have the required permission to read this environment variable,
+ // which is fine, just act as if it's not set
+ return null;
+ }
+ }
+#endif
+
+#if NETCF_1_0
+ internal static Exception CreateNotImplementedException(
+ string message)
+ {
+ return new Exception("Not implemented: " + message);
+ }
+
+ internal static bool Equals(
+ object a,
+ object b)
+ {
+ return a == b || (a != null && b != null && a.Equals(b));
+ }
+#else
+ internal static Exception CreateNotImplementedException(
+ string message)
+ {
+ return new NotImplementedException(message);
+ }
+#endif
+
+#if SILVERLIGHT || PORTABLE
+ internal static System.Collections.IList CreateArrayList()
+ {
+ return new List<object>();
+ }
+ internal static System.Collections.IList CreateArrayList(int capacity)
+ {
+ return new List<object>(capacity);
+ }
+ internal static System.Collections.IList CreateArrayList(System.Collections.ICollection collection)
+ {
+ System.Collections.IList result = new List<object>(collection.Count);
+ foreach (object o in collection)
+ {
+ result.Add(o);
+ }
+ return result;
+ }
+ internal static System.Collections.IList CreateArrayList(System.Collections.IEnumerable collection)
+ {
+ System.Collections.IList result = new List<object>();
+ foreach (object o in collection)
+ {
+ result.Add(o);
+ }
+ return result;
+ }
+ internal static System.Collections.IDictionary CreateHashtable()
+ {
+ return new Dictionary<object, object>();
+ }
+ internal static System.Collections.IDictionary CreateHashtable(int capacity)
+ {
+ return new Dictionary<object, object>(capacity);
+ }
+ internal static System.Collections.IDictionary CreateHashtable(System.Collections.IDictionary dictionary)
+ {
+ System.Collections.IDictionary result = new Dictionary<object, object>(dictionary.Count);
+ foreach (System.Collections.DictionaryEntry entry in dictionary)
+ {
+ result.Add(entry.Key, entry.Value);
+ }
+ return result;
+ }
+#else
+ internal static System.Collections.IList CreateArrayList()
+ {
+ return new ArrayList();
+ }
+ internal static System.Collections.IList CreateArrayList(int capacity)
+ {
+ return new ArrayList(capacity);
+ }
+ internal static System.Collections.IList CreateArrayList(System.Collections.ICollection collection)
+ {
+ return new ArrayList(collection);
+ }
+ internal static System.Collections.IList CreateArrayList(System.Collections.IEnumerable collection)
+ {
+ ArrayList result = new ArrayList();
+ foreach (object o in collection)
+ {
+ result.Add(o);
+ }
+ return result;
+ }
+ internal static System.Collections.IDictionary CreateHashtable()
+ {
+ return new Hashtable();
+ }
+ internal static System.Collections.IDictionary CreateHashtable(int capacity)
+ {
+ return new Hashtable(capacity);
+ }
+ internal static System.Collections.IDictionary CreateHashtable(System.Collections.IDictionary dictionary)
+ {
+ return new Hashtable(dictionary);
+ }
+#endif
+
+ internal static readonly string NewLine = GetNewLine();
+ }
+}
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