Changeset 628 for trunk/ab5.0/ablib/src/basic/function.sbp

Timestamp:

Sep 21, 2008, 2:01:36 AM (16 years ago)

Author:

イグトランス (egtra)

Message:

winnls.ab, winsvc.abを追加

File:

• trunk/ab5.0/ablib/src/basic/function.sbp (modified) (5 diffs)

trunk/ab5.0/ablib/src/basic/function.sbp

@@ -123 +123 @@
 */
 Function Sgn(n As Double) As Long
-'   Sgn = ActiveBasic..Math.Sign(n)
+'   Sgn = ActiveBasic.Math.Sign(n)
 End Function
 
@@ -205 +205 @@
         Return New String(t, 2)
     Else
-        Throw New System.ArgumentOutOfRangeException("ChrW: c is invalid Unicode code point.", "c")
+        Throw New System.ArgumentOutOfRangeException("ChrW: c is invalid unicode code point.", "c")
     End If
 End Function
@@ -665 +665 @@
 Function Eof(FileNum As Long) As Long
     FileNum--
+    ActiveBasic.Detail.ThrowIfInvaildFileNum(FileNum)
     Dim dwCurrent = SetFilePointer(_System_hFile(FileNum), 0,NULL, FILE_CURRENT)
     Dim dwEnd = SetFilePointer(_System_hFile(FileNum), 0, NULL, FILE_END)
@@ -677 +678 @@
 
 Function Lof(FileNum As Long) As Long
-    Lof = GetFileSize(_System_hFile(FileNum-1), 0)
+    FileNum--
+    ActiveBasic.Detail.ThrowIfInvaildFileNum(FileNum)
+    Lof = GetFileSize(_System_hFile(FileNum), 0)
 End Function
 
 Function Loc(FileNum As Long) As Long
     FileNum--
-
+    ActiveBasic.Detail.ThrowIfInvaildFileNum(FileNum)
     Dim NowPos = SetFilePointer(_System_hFile(FileNum), 0, 0, FILE_CURRENT)
     Dim BeginPos = SetFilePointer(_System_hFile(FileNum), 0, 0, FILE_BEGIN)
@@ -690 +693 @@
 End Function
 
+Namespace ActiveBasic
+Namespace Detail
+
+Sub ThrowIfInvaildFileNum(n As Long)
+    If n < 0 Or n > 255 Then
+        Throw New System.ArgumentOutOfRangeException("FileNum", "Invalid file number")
+    ElseIf _System_hFile(n) = 0 Then
+        Throw New System.InvalidOperationException("File number " & Str$(n + 1) & "is not opend.")
+    End If
+End Sub
+
+End Namespace
+End Namespace
 
 '------------------