public static object GetElement(RubyContext /*!*/ context, IDictionary <object, object> /*!*/ self, object key)
{
object result;
if (!self.TryGetValue(CustomStringDictionary.NullToObj(key), out result))
{
return(null);
}
return(result);
}
public static object GetElement(BinaryOpStorage /*!*/ storage, IDictionary <object, object> /*!*/ self, object key)
{
object result;
if (!self.TryGetValue(CustomStringDictionary.NullToObj(key), out result))
{
var site = storage.GetCallSite("default", 1);
return(site.Target(site, self, key));
}
return(result);
}
public static Hash /*!*/ Invert(RubyContext /*!*/ context, IDictionary <object, object> /*!*/ self)
{
// invert returns a Hash, even from subclasses
Hash hash = new Hash(context.EqualityComparer, self.Count);
foreach (KeyValuePair <object, object> pair in self)
{
hash[CustomStringDictionary.NullToObj(pair.Value)] = CustomStringDictionary.ObjToNull(pair.Key);
}
return(hash);
}
public override void Add(ref DictionaryStorage storage, object key, object value)
{
lock (this) {
string strKey = key as string;
if (strKey != null)
{
_dict[strKey] = value;
}
else
{
EnsureObjectDictionary();
_objDict[CustomStringDictionary.NullToObj(key)] = value;
}
}
}
public override bool Remove(ref DictionaryStorage storage, object key)
{
lock (this) {
string strKey = key as string;
if (strKey != null)
{
return(_dict.Remove(strKey));
}
if (_objDict != null)
{
return(_objDict.Remove(CustomStringDictionary.NullToObj(key)));
}
return(false);
}
}
public override bool Contains(object key)
{
lock (this) {
string strKey = key as string;
if (strKey != null)
{
return(_dict.ContainsKey(strKey));
}
if (_objDict != null)
{
return(_objDict.ContainsKey(CustomStringDictionary.NullToObj(key)));
}
return(false);
}
}
public override bool TryGetValue(object key, out object value)
{
lock (this) {
string strKey = key as string;
if (strKey != null)
{
return(_dict.TryGetValue(strKey, out value));
}
if (_objDict != null)
{
return(_objDict.TryGetValue(CustomStringDictionary.NullToObj(key), out value));
}
value = null;
return(false);
}
}
public static object Delete(BlockParam block, IDictionary <object, object> /*!*/ self, object key)
{
object value;
if (!self.TryGetValue(CustomStringDictionary.NullToObj(key), out value))
{
// key not found, call the block if it was passed in
if (block != null)
{
object result;
block.Yield(key, out result);
return(result);
}
return(null);
}
self.Remove(CustomStringDictionary.NullToObj(key));
return(value);
}
public static bool HasKey(IDictionary <object, object> /*!*/ self, object key)
{
return(self.ContainsKey(CustomStringDictionary.NullToObj(key)));
}