//
// ObjectCache.cs
//
// Authors:
// Marek Habersack <mhabersack@novell.com>
//
// Copyright (C) 2010 Novell, Inc. (http://novell.com/)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
namespace System.Runtime.Caching{
static class Helpers
{
public static bool CaseInsensitive {
get;
private set;
}
public static bool Is64Bit {
get;
private set;
}
public static IEqualityComparer <string> StringEqualityComparer {
get; private set;
}
public static IComparer <string> StringComparer {
get; private set;
}
public static StringComparison StringComparison {
get; private set;
}
static Helpers ()
{
PlatformID pid = Environment.OSVersion.Platform;
bool runningOnWindows = ((int) pid != 128 && pid != PlatformID.Unix && pid != PlatformID.MacOSX);
Is64Bit = IntPtr.Size == 8;
if (runningOnWindows)
CaseInsensitive = true;
else {
string mono_iomap = Environment.GetEnvironmentVariable ("MONO_IOMAP");
if (!String.IsNullOrEmpty (mono_iomap)) {
if (mono_iomap == "all")
CaseInsensitive = true;
else {
string[] parts = mono_iomap.Split (':');
foreach (string p in parts) {
if (p == "all" || p == "case") {
CaseInsensitive = true;
break;
}
}
}
}
}
if (CaseInsensitive) {
StringEqualityComparer = global::System.StringComparer.OrdinalIgnoreCase;
StringComparer = global::System.StringComparer.OrdinalIgnoreCase;
StringComparison = global::System.StringComparison.OrdinalIgnoreCase;
} else {
StringEqualityComparer = global::System.StringComparer.Ordinal;
StringComparer = global::System.StringComparer.Ordinal;
StringComparison = global::System.StringComparison.Ordinal;
}
}
}
}
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