//
// System.Runtime.Versioning.VersioningHelper class
//
// Authors
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 Novell, Inc (http://www.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.
//
namespace System.Runtime.Versioning{
public static class VersioningHelper {
static private int GetDomainId ()
{
#if NET_2_1
return 0;
#else
return AppDomain.CurrentDomain.Id;
#endif
}
static private int GetProcessId ()
{
// TODO - System.Diagnostics.Process class is located in System.dll
return 0;
}
static string SafeName (string name, bool process, bool appdomain)
{
if (process && appdomain) {
return String.Concat (name, "_", GetProcessId ().ToString (),
"_", GetDomainId ().ToString ());
} else if (process) {
return String.Concat (name, "_", GetProcessId ().ToString ());
} else if (appdomain) {
return String.Concat (name, "_", GetDomainId ().ToString ());
}
// nothing, return original string
return name;
}
static private string ConvertFromMachine (string name, ResourceScope to, Type type)
{
switch (to) {
case ResourceScope.Machine:
return SafeName (name, false, false);
case ResourceScope.Process:
return SafeName (name, true, false);
case ResourceScope.AppDomain:
return SafeName (name, true, true);
default:
throw new ArgumentException ("to");
}
}
static private string ConvertFromProcess (string name, ResourceScope to, Type type)
{
if ((to < ResourceScope.Process) || (to >= ResourceScope.Private))
throw new ArgumentException ("to");
bool ad = ((to & ResourceScope.AppDomain) == ResourceScope.AppDomain);
return SafeName (name, false, ad);
}
static private string ConvertFromAppDomain (string name, ResourceScope to, Type type)
{
if ((to < ResourceScope.AppDomain) || (to >= ResourceScope.Private))
throw new ArgumentException ("to");
return SafeName (name, false, false);
}
[MonoTODO ("process id is always 0")]
static public string MakeVersionSafeName (string name, ResourceScope from, ResourceScope to)
{
return MakeVersionSafeName (name, from, to, null);
}
[MonoTODO ("type?")]
static public string MakeVersionSafeName (string name, ResourceScope from, ResourceScope to, Type type)
{
if ((from & ResourceScope.Private) != 0) {
to &= ~(ResourceScope.Private | ResourceScope.Assembly);
} else if ((from & ResourceScope.Assembly) != 0) {
to &= ~ResourceScope.Assembly;
}
string result = (name == null) ? String.Empty : name;
switch (from) {
case ResourceScope.Machine:
case ResourceScope.Machine | ResourceScope.Private:
case ResourceScope.Machine | ResourceScope.Assembly:
return ConvertFromMachine (result, to, type);
case ResourceScope.Process:
case ResourceScope.Process | ResourceScope.Private:
case ResourceScope.Process | ResourceScope.Assembly:
return ConvertFromProcess (result, to, type);
case ResourceScope.AppDomain:
case ResourceScope.AppDomain | ResourceScope.Private:
case ResourceScope.AppDomain | ResourceScope.Assembly:
return ConvertFromAppDomain (result, to, type);
default:
throw new ArgumentException ("from");
}
}
}
}
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