static public T Read <T>(this StreamSystem item, string path, TryOperation <T, Stream> operation, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
T output;
item.AttemptRead <T>(path, operation, out output, milliseconds);
return(output);
}
static public IEnumerable <T> Squish <T>(this IEnumerable <T> item, TryOperation <T, T, T> operation)
{
List <T> list = item.ToList();
bool did_squish = false;
do
{
did_squish = false;
for (int i = 0; i < list.Count; i++)
{
T sub_item1 = list[i];
for (int j = i + 1; j < list.Count; j++)
{
T sub_item2 = list[j];
T squished;
if (operation(sub_item1, sub_item2, out squished))
{
list[i] = squished;
list.RemoveAt(j);
did_squish = true;
break;
}
}
}
} while (did_squish);
return(list);
}
public void Do <T>(TryOperation <T> tryOperation) where T : class, Operator
{
for (int priority = operators.Count - 1; priority >= 0; priority--)
{
for (int i = operators[priority].Count - 1; i >= 0; i--)
{
var candidate = operators[priority][i] as T;
if (candidate != null && tryOperation(candidate))
{
return;
}
}
}
throw new ApplicationException(string.Format("No default for {0}", typeof(T).Name));
}
internal static int CatchError(TryOperation operation)
{
try
{
if (!operation())
{
return((int)Win32Api.Error.ERROR_FILE_NOT_FOUND);
}
return(0);
}
catch (Win32Exception ex)
{
return(ex.ErrorCode);
}
}
static public AttemptResult AttemptRead <T>(this StreamSystem item, string path, TryOperation <T, Stream> operation, out T output, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
T temp = default(T);
AttemptResult result = item.AttemptRead(path, delegate(Stream stream) {
return(operation(stream, out temp));
}, milliseconds);
output = temp;
return(result);
}
static public T Read <T>(this StreamSystemStream item, TryOperation <T, Stream> operation, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
return(item.GetStreamSystem().Read <T>(item.GetPath(), operation, milliseconds));
}
static public AttemptResult AttemptRead <T>(this StreamSystemStream item, TryOperation <T, Stream> operation, out T output, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
return(item.GetStreamSystem().AttemptRead <T>(item.GetPath(), operation, out output, milliseconds));
}
static public IEnumerable <Tuple <PRIMARY_TYPE, SECONDARY_TYPE> > TryNarrow <PRIMARY_TYPE, SECONDARY_TYPE>(this IEnumerable <PRIMARY_TYPE> item, TryOperation <SECONDARY_TYPE, PRIMARY_TYPE> operation)
{
if (item != null)
{
foreach (PRIMARY_TYPE sub_item in item)
{
SECONDARY_TYPE secondary_item;
if (operation(sub_item, out secondary_item))
{
yield return(Tuple.New(sub_item, secondary_item));
}
}
}
}
static public IEnumerable <OUTPUT_TYPE> TryConvert <INPUT_TYPE, OUTPUT_TYPE>(this IEnumerable <INPUT_TYPE> item, TryOperation <OUTPUT_TYPE, INPUT_TYPE> operation)
{
foreach (INPUT_TYPE sub_item in item)
{
OUTPUT_TYPE cast;
if (operation(sub_item, out cast))
{
yield return(cast);
}
}
}
public EditorGUIElement_Popup_ProcessOperation(IEnumerable <T> es, Process <T> sp, TryOperation <T> go) : this(es, e => e.ToStringEX(), sp, go)
{
}
public EditorGUIElement_Popup_ProcessOperation(IEnumerable <T> es, Operation <string, T> op, Process <T> sp, TryOperation <T> go) : this(es, op, sp, go, DEFAULT_HEIGHT)
{
}
public EditorGUIElement_Popup_ProcessOperation(IEnumerable <T> es, Operation <string, T> op, Process <T> sp, TryOperation <T> go, float h) : base(es, op, h)
{
set_process = sp;
get_process = go;
}