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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) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* 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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