private static string FindGemBinPath(string /*!*/ ironRubyBinPath)
{
string result;
result = Environment.GetEnvironmentVariable("GEM_PATH");
if (Directory.Exists(result))
{
return(result);
}
try {
result = Path.Combine(RubyUtils.GetHomeDirectory(PlatformAdaptationLayer.Default), @"ironruby\1.9.1\bin");
if (Directory.Exists(result))
{
return(result);
}
} catch {
// ignore
}
result = Path.Combine(ironRubyBinPath, @"Lib\ironruby\gems\1.9.1");
if (Directory.Exists(result))
{
return(result);
}
result = Path.Combine(ironRubyBinPath, @"bin");
if (Directory.Exists(result))
{
return(result);
}
return(null);
}
private static void SetHome()
{
try {
PlatformAdaptationLayer platform = PlatformAdaptationLayer.Default;
string homeDir = RubyUtils.GetHomeDirectory(platform);
platform.SetEnvironmentVariable("HOME", homeDir);
} catch (System.Security.SecurityException e) {
// Ignore EnvironmentPermission exception
if (e.PermissionType != typeof(System.Security.Permissions.EnvironmentPermission))
{
throw;
}
}
}
public static object ChangeDirectory(BlockParam block, RubyClass /*!*/ self)
{
#if !SILVERLIGHT
string defaultDirectory = RubyUtils.GetHomeDirectory(self.Context.Platform);
if (defaultDirectory == null)
{
throw RubyExceptions.CreateArgumentError("HOME / USERPROFILE not set");
}
return(ChangeDirectory(block, self, self.Context.EncodePath(defaultDirectory)));
#else
throw new InvalidOperationException();
#endif
}