office-gobmx/i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx
Gabor Kelemen aacdc24be7 tdf#146619 Drop unused 'using namespace' in: i18npool/
Change-Id: I3c4ca1083f8ef4053d1b4202bf9617b9373312bf
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/165537
Tested-by: Jenkins
Reviewed-by: Gabor Kelemen <gabor.kelemen.extern@allotropia.de>
2024-04-02 17:28:22 +02:00

82 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <transliteration_Ignore.hxx>
#include <numeric>
using namespace com::sun::star::uno;
namespace i18npool {
OUString
ignoreKiKuFollowedBySa_ja_JP::foldingImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
{
// Create a string buffer which can hold nCount + 1 characters.
// The reference count is 1 now.
rtl_uString * newStr = rtl_uString_alloc(nCount);
sal_Unicode * dst = newStr->buffer;
const sal_Unicode * src = inStr.getStr() + startPos;
if (pOffset) {
// Allocate nCount length to offset argument.
pOffset->realloc( nCount );
auto [begin, end] = asNonConstRange(*pOffset);
std::iota(begin, end, startPos);
}
sal_Unicode previousChar = *src ++;
sal_Unicode currentChar;
// Translation
while (-- nCount > 0) {
currentChar = *src ++;
// KU + Sa-So --> KI + Sa-So
if (previousChar == 0x30AF ) { // KATAKANA LETTER KU
if (0x30B5 <= currentChar && // KATAKANA LETTER SA
currentChar <= 0x30BE) { // KATAKANA LETTER ZO
*dst ++ = 0x30AD; // KATAKANA LETTER KI
*dst ++ = currentChar;
previousChar = *src ++;
nCount --;
continue;
}
}
*dst ++ = previousChar;
previousChar = currentChar;
}
if (nCount == 0) {
*dst ++ = previousChar;
}
*dst = u'\0';
newStr->length = sal_Int32(dst - newStr->buffer);
if (pOffset)
pOffset->realloc(newStr->length);
return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */