os/ossrv/genericopenlibs/openenvcore/libc/src/wcwidth.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/wcwidth.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,69 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Name        : wcwidth.cpp
    1.18 +// Part of     : MRT LIBC
    1.19 +// Contains the source for wcwidth API implementation.
    1.20 +// Version     :
    1.21 +//
    1.22 +
    1.23 +
    1.24 + 
    1.25 +#include <e32std.h>
    1.26 +#include <wchar.h>
    1.27 +#include <wctype.h>
    1.28 +
    1.29 +#ifdef __cplusplus
    1.30 +extern "C" {
    1.31 +#endif
    1.32 +
    1.33 +EXPORT_C int
    1.34 +wcwidth(wchar_t wc)
    1.35 +{
    1.36 +	int rVal,result = 0;
    1.37 +	TChar::TCjkWidth rWid;
    1.38 +		
    1.39 +	//check for end of string
    1.40 +	if(wc == L'\0')
    1.41 +	{
    1.42 +		return (result);
    1.43 +	}
    1.44 +	
    1.45 +	//check if the character is printable
    1.46 +	rVal = iswprint((wint_t)wc);
    1.47 +
    1.48 +	//if printable
    1.49 +	if(rVal)
    1.50 +	{
    1.51 +		rWid = (TChar::TCjkWidth)TChar((TUint)wc).GetCjkWidth();
    1.52 +		if(rWid == TChar::ENarrow)
    1.53 +		{
    1.54 +			result = TChar::EHalfWidth;
    1.55 +		}
    1.56 +		if(rWid == TChar::EWide)
    1.57 +		{
    1.58 +			result = TChar::EFullWidth;
    1.59 +		}
    1.60 +	}
    1.61 +	else
    1.62 +	{
    1.63 +		result = -1;//if the character is not printable
    1.64 +	}
    1.65 +	
    1.66 +	return (result);
    1.67 +}
    1.68 +
    1.69 +#ifdef __cplusplus
    1.70 +}
    1.71 +#endif
    1.72 +