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/* -*- 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 <i18nutil/oneToOneMapping.hxx>
#include <transliteration_Ignore.hxx>
#include <numeric>
using namespace com::sun::star::uno;
namespace i18npool {
i18nutil::OneToOneMappingTable_t const IandE[] = {
{ 0x30A3, 0x0000 }, // KATAKANA LETTER SMALL I
{ 0x30A4, 0x0000 }, // KATAKANA LETTER I
{ 0x30A7, 0x0000 }, // KATAKANA LETTER SMALL E
{ 0x30A8, 0x0000 }, // KATAKANA LETTER E
{ 0x30AD, 0x0000 }, // KATAKANA LETTER KI
{ 0x30AE, 0x0000 }, // KATAKANA LETTER GI
{ 0x30B1, 0x0000 }, // KATAKANA LETTER KE
{ 0x30B2, 0x0000 }, // KATAKANA LETTER GE
{ 0x30B7, 0x0000 }, // KATAKANA LETTER SI
{ 0x30B8, 0x0000 }, // KATAKANA LETTER ZI
{ 0x30BB, 0x0000 }, // KATAKANA LETTER SE
{ 0x30BC, 0x0000 }, // KATAKANA LETTER ZE
{ 0x30C1, 0x0000 }, // KATAKANA LETTER TI
{ 0x30C2, 0x0000 }, // KATAKANA LETTER DI
{ 0x30C6, 0x0000 }, // KATAKANA LETTER TE
{ 0x30C7, 0x0000 }, // KATAKANA LETTER DE
{ 0x30CB, 0x0000 }, // KATAKANA LETTER NI
{ 0x30CD, 0x0000 }, // KATAKANA LETTER NE
{ 0x30D2, 0x0000 }, // KATAKANA LETTER HI
{ 0x30D3, 0x0000 }, // KATAKANA LETTER BI
{ 0x30D4, 0x0000 }, // KATAKANA LETTER PI
{ 0x30D8, 0x0000 }, // KATAKANA LETTER HE
{ 0x30D9, 0x0000 }, // KATAKANA LETTER BE
{ 0x30DA, 0x0000 }, // KATAKANA LETTER PE
{ 0x30DF, 0x0000 }, // KATAKANA LETTER MI
{ 0x30E1, 0x0000 }, // KATAKANA LETTER ME
{ 0x30EA, 0x0000 }, // KATAKANA LETTER RI
{ 0x30EC, 0x0000 }, // KATAKANA LETTER RE
{ 0x30F0, 0x0000 }, // KATAKANA LETTER WI
{ 0x30F1, 0x0000 }, // KATAKANA LETTER WE
{ 0x30F6, 0x0000 }, // KATAKANA LETTER SMALL KE
{ 0x30F8, 0x0000 }, // KATAKANA LETTER VI
{ 0x30F9, 0x0000 } // KATAKANA LETTER VE
};
OUString
ignoreIandEfollowedByYa_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;
// One to one mapping
i18nutil::oneToOneMapping aTable(IandE, sizeof(IandE));
// Translation
while (-- nCount > 0) {
currentChar = *src ++;
// the character listed in above table + YA --> the character + A
if (currentChar == 0x30E3 || // KATAKANA LETTER SMALL YA
currentChar == 0x30E4) { // KATAKANA LETTER YA
if (aTable[ previousChar ] != previousChar) {
*dst ++ = previousChar;
*dst ++ = 0x30A2; // KATAKANA LETTER A
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: */
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