Refactored uses of CreateDelegate for compatibility with CF2

src/ProtocolBuffers/FrameworkPortability.cs

+#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Globalization;
+using System.Reflection;
+using System.Text.RegularExpressions;
+
+namespace Google.ProtocolBuffers
+{
+    /// <summary>
+    /// Class containing helpful workarounds for Silverlight compatibility
+    /// </summary>
+    internal static class FrameworkPortability
+    {
+#if COMPACT_FRAMEWORK
+        internal const string NewLine = "\n";
+#else
+        internal static readonly string NewLine = System.Environment.NewLine;
+#endif
+
+#if SILVERLIGHT
+        internal const RegexOptions CompiledRegexWhereAvailable = RegexOptions.None;
+#else
+        internal const RegexOptions CompiledRegexWhereAvailable = RegexOptions.Compiled;
+#endif
+
+        internal static CultureInfo InvariantCulture 
+        { 
+            get { return CultureInfo.InvariantCulture; } 
+        }
+
+        internal static bool TryParseInt32(string text, out int number)
+        {
+            return TryParseInt32(text, NumberStyles.Any, InvariantCulture, out number);
+        }
+
+        internal static bool TryParseInt32(string text, NumberStyles style, IFormatProvider format, out int number)
+        {
+#if COMPACT_FRAMEWORK
+                try 
+                {
+                    number = int.Parse(text, style, format); 
+                    return true;
+                }
+                catch 
+                {
+                    number = 0;
+                    return false; 
+                }
+#else
+            return int.TryParse(text, style, format, out number);
+#endif
+        }
+    }
+}
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