Changeset 707 for trunk/ab5.0

Timestamp:

Jun 29, 2009, 12:27:18 AM (15 years ago)

Author:

イグトランス (egtra)

Message:

標準入力からの読込時、Ctrl+Zを検知して以後EOFと扱うように修正。
(#243)

File:

• trunk/ab5.0/ablib/src/Classes/System/Console.ab (modified) (1 diff)

trunk/ab5.0/ablib/src/Classes/System/Console.ab

@@ -691 +691 @@
 Protected
     Override Function Underflow() As Boolean
-        Dim b = Buffer
-        Dim currentBufLength = b.Length
-        b.Length = currentBufLength + 256
-        Dim p = StrPtr(b)
-        Dim read As DWord
-        If ReadConsole(h, VarPtr(p[currentBufLength]), 256 * SizeOf (TCHAR), read, 0) = 0 Then
-            IO.Detail.ThrowWinLastErrorIOException()
-        End If
-        b.Length = currentBufLength + read
-        Underflow = read <> 0
+        If eofReached Then
+            Underflow = 0
+        Else
+            Dim b = Buffer
+            Dim currentBufLength = b.Length
+            b.Length = currentBufLength + 256
+            Dim p = StrPtr(b)
+            Dim read As DWord
+            If ReadConsole(h, VarPtr(p[currentBufLength]), 256 * SizeOf (TCHAR), read, 0) = 0 Then
+                IO.Detail.ThrowWinLastErrorIOException()
+            End If
+            Dim eofPos = ActiveBasic.Strings.ChrFind(VarPtr(p[currentBufLength]) As PCTSTR, read As SIZE_T, &h1A As TCHAR)
+            If eofPos <> -1 Then
+                eofReached = True
+                read = eofPos
+            End If
+            b.Length = currentBufLength + read
+            Underflow = read <> 0
+        End If
     End Function
 
 Private
     h As HANDLE
+    eofReached As Boolean
 End Class