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/* $Id: utf-8-case2.cpp $ */
/** @file
* IPRT - UTF-8 Case Sensitivity and Folding, Part 2 (requires unidata-flags.cpp).
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/string.h>
#include "internal/iprt.h"
#include <iprt/uni.h>
#include <iprt/alloc.h>
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include "internal/string.h"
RTDECL(bool) RTStrIsCaseFoldable(const char *psz)
{
/*
* Loop the code points in the string, checking them one by one until we
* find something that can be folded.
*/
RTUNICP uc;
do
{
int rc = RTStrGetCpEx(&psz, &uc);
if (RT_SUCCESS(rc))
{
if (RTUniCpIsFoldable(uc))
return true;
}
else
{
/* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
AssertRC(rc);
}
} while (uc != 0);
return false;
}
RT_EXPORT_SYMBOL(RTStrIsCaseFoldable);
RTDECL(bool) RTStrIsUpperCased(const char *psz)
{
/*
* Check that there are no lower case chars in the string.
*/
RTUNICP uc;
do
{
int rc = RTStrGetCpEx(&psz, &uc);
if (RT_SUCCESS(rc))
{
if (RTUniCpIsLower(uc))
return false;
}
else
{
/* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
AssertRC(rc);
}
} while (uc != 0);
return true;
}
RT_EXPORT_SYMBOL(RTStrIsUpperCased);
RTDECL(bool) RTStrIsLowerCased(const char *psz)
{
/*
* Check that there are no lower case chars in the string.
*/
RTUNICP uc;
do
{
int rc = RTStrGetCpEx(&psz, &uc);
if (RT_SUCCESS(rc))
{
if (RTUniCpIsUpper(uc))
return false;
}
else
{
/* bad encoding, just skip it quietly (uc == RTUNICP_INVALID (!= 0)). */
AssertRC(rc);
}
} while (uc != 0);
return true;
}
RT_EXPORT_SYMBOL(RTStrIsLowerCased);
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