public static object DeleteIf(RubyContext /*!*/ context, BlockParam block, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
IDictionary variables = pal.GetEnvironmentVariables();
if (variables.Count > 0 && block == null)
{
throw RubyExceptions.NoBlockGiven();
}
foreach (DictionaryEntry entry in variables)
{
MutableString key = FrozenString(context, entry.Key);
MutableString value = FrozenString(context, entry.Value);
object result;
if (block.Yield(key, value, out result))
{
return(result);
}
if (RubyOps.IsTrue(result))
{
SetVariable(context, self, key, null);
}
}
return(self);
}
public static Hash /*!*/ ToHash(RubyContext /*!*/ context, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
Hash result = new Hash(context);
foreach (DictionaryEntry entry in pal.GetEnvironmentVariables())
{
result.Add(MutableString.Create(entry.Key.ToString()).Freeze(), MutableString.Create(entry.Value.ToString()).Freeze());
}
return(result);
}
public static object Shift(RubyContext /*!*/ context, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
IDictionary variables = pal.GetEnvironmentVariables();
if (variables.Count == 0)
{
return(null);
}
RubyArray result = new RubyArray(2);
foreach (DictionaryEntry entry in pal.GetEnvironmentVariables())
{
string key = entry.Key.ToString();
result.Add(MutableString.Create(key).Freeze());
result.Add(MutableString.Create(entry.Value.ToString()).Freeze());
pal.SetEnvironmentVariable(key, null);
break;
}
return(result);
}
public static RubyArray /*!*/ Keys(RubyContext /*!*/ context, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
IDictionary variables = pal.GetEnvironmentVariables();
RubyArray result = new RubyArray(variables.Count);
foreach (DictionaryEntry entry in variables)
{
result.Add(MutableString.Create(entry.Key.ToString()).Freeze());
}
return(result);
}
public static MutableString Index(RubyContext /*!*/ context, object /*!*/ self, [DefaultProtocol, NotNull] MutableString /*!*/ value)
{
string strValue = value.ConvertToString();
PlatformAdaptationLayer pal = context.DomainManager.Platform;
foreach (DictionaryEntry entry in pal.GetEnvironmentVariables())
{
if (strValue.Equals(entry.Value))
{
return(FrozenString(context, entry.Key));
}
}
return(null);
}
public static object EachKey(RubyContext /*!*/ context, BlockParam block, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
IDictionary variables = pal.GetEnvironmentVariables();
if (variables.Count > 0 && block == null)
{
throw RubyExceptions.NoBlockGiven();
}
foreach (DictionaryEntry entry in variables)
{
MutableString name = FrozenString(context, entry.Key);
object result;
if (block.Yield(name, out result))
{
return(result);
}
}
return(self);
}
public static object EachValue(RubyContext /*!*/ context, BlockParam block, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
IDictionary variables = pal.GetEnvironmentVariables();
if (variables.Count > 0 && block == null)
{
throw RubyExceptions.NoBlockGiven();
}
foreach (DictionaryEntry entry in variables)
{
MutableString value = MutableString.Create(entry.Value.ToString()).Freeze();
object result;
if (block.Yield(value, out result))
{
return(result);
}
}
return(self);
}
public static bool HasValue(RubyContext /*!*/ context, object /*!*/ self, object value)
{
// MRI doesn't use CastToString conversion here:
var strValue = value as MutableString;
if (value == null)
{
return(false);
}
var clrStrValue = strValue.ConvertToString();
PlatformAdaptationLayer pal = context.DomainManager.Platform;
foreach (DictionaryEntry entry in pal.GetEnvironmentVariables())
{
if (clrStrValue.Equals(entry.Value))
{
return(true);
}
}
return(false);
}
public static object Each(RubyContext /*!*/ context, BlockParam block, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
var variables = pal.GetEnvironmentVariables();
if (variables.Count > 0 && block == null)
{
throw RubyExceptions.NoBlockGiven();
}
foreach (var entry in variables)
{
RubyArray array = new RubyArray(2);
array.Add(FrozenString(context, entry.Key));
array.Add(FrozenString(context, entry.Value));
object result;
if (block.Yield(array, out result))
{
return(result);
}
}
return(self);
}
public static int Length(RubyContext /*!*/ context, object /*!*/ self)
{
PlatformAdaptationLayer pal = context.DomainManager.Platform;
return(pal.GetEnvironmentVariables().Count);
}