public RCValue Get(RCArray <string> name, RCArray <RCBlock> @this)
{
RCRefable block = this;
RCValue value = null;
for (int i = 0; i < name.Count; ++i)
{
value = block.Get(name[i]);
block = value as RCRefable;
if (block == null)
{
// if it is the last value return it
if (i == name.Count - 1)
{
return(value);
}
// if not, something is wrong
else
{
return(null);
}
}
if (@this != null && i < name.Count - 1)
{
@this.Write((RCBlock)block);
}
}
return(value);
}
/// <summary>
/// Find and return the value referenced by name. Return null if not found.
/// </summary>
public static RCValue Resolve(RCBlock context,
RCClosure closure,
RCArray <string> name,
RCArray <RCBlock> @this,
bool returnNull)
{
if (context != null)
{
RCValue result = context.Get(name, @this);
if (result != null)
{
return(result);
}
}
RCClosure parent = closure;
RCValue val = null;
while (parent != null)
{
RCRefable result = parent.Result;
if (result != null && !parent.NoResolve)
{
val = result.Get(name, @this);
}
if (val != null)
{
break;
}
if (!parent.NoClimb)
{
parent = parent.Parent;
}
else
{
break;
}
}
if (val == null && !returnNull)
{
// Delimit thing is annoying.
throw new RCException(closure,
RCErrors.Name,
"Unable to resolve name " + RCReference.Delimit(name, "."));
}
return(val);
}
public RCValue Get(string[] name, RCArray <RCBlock> @this)
{
RCRefable block = this;
RCValue value = null;
for (int i = 0; i < name.Length; ++i)
{
value = block.Get(name[i]);
block = value as RCRefable;
if (block == null)
{
return(value);
}
else if (@this != null)
{
@this.Write((RCBlock)block);
}
}
return(value);
}
public RCValue Get(RCSymbolScalar name, RCArray <RCBlock> @this)
{
RCRefable block = this;
RCValue value = null;
object[] array = name.ToArray();
for (int i = 0; i < array.Length; ++i)
{
if (array[i] is long)
{
long index = (long)array[i];
value = block.Get(index);
}
else if (array[i] is string)
{
value = block.Get((string)array[i]);
}
block = value as RCRefable;
if (block == null)
{
// if it is the last value return it
if (i == name.Length - 1)
{
return(value);
}
// if not, something is wrong
else
{
return(null);
}
}
if (@this != null && i < array.Length - 1)
{
@this.Write((RCBlock)block);
}
}
return(value);
}
