genericopenlibs/openenvcore/libc/src/wcwidth.cpp
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/libc/src/wcwidth.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,69 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name        : wcwidth.cpp
+// Part of     : MRT LIBC
+// Contains the source for wcwidth API implementation.
+// Version     :
+//
+
+
+ 
+#include <e32std.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EXPORT_C int
+wcwidth(wchar_t wc)
+{
+	int rVal,result = 0;
+	TChar::TCjkWidth rWid;
+		
+	//check for end of string
+	if(wc == L'\0')
+	{
+		return (result);
+	}
+	
+	//check if the character is printable
+	rVal = iswprint((wint_t)wc);
+
+	//if printable
+	if(rVal)
+	{
+		rWid = (TChar::TCjkWidth)TChar((TUint)wc).GetCjkWidth();
+		if(rWid == TChar::ENarrow)
+		{
+			result = TChar::EHalfWidth;
+		}
+		if(rWid == TChar::EWide)
+		{
+			result = TChar::EFullWidth;
+		}
+	}
+	else
+	{
+		result = -1;//if the character is not printable
+	}
+	
+	return (result);
+}
+
+#ifdef __cplusplus
+}
+#endif
+