2484de6728
... to avoid hidden cost of multiple COW checks, because they call getArray() internally. This obsoletes [loplugin:sequenceloop]. Also rename toNonConstRange to asNonConstRange, to reflect that the result is a view of the sequence, not an independent object. TODO: also drop non-const operator[], but introduce operator[] in SequenceRange. Change-Id: Idd5fd7a3400fe65274d2a6343025e2ef8911635d Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123518 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com> Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
125 lines
4.3 KiB
C++
125 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <i18nutil/oneToOneMapping.hxx>
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#include <transliteration_Ignore.hxx>
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#include <numeric>
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using namespace com::sun::star::uno;
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using namespace com::sun::star::lang;
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namespace i18npool {
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i18nutil::OneToOneMappingTable_t const IandE[] = {
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{ 0x30A3, 0x0000 }, // KATAKANA LETTER SMALL I
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{ 0x30A4, 0x0000 }, // KATAKANA LETTER I
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{ 0x30A7, 0x0000 }, // KATAKANA LETTER SMALL E
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{ 0x30A8, 0x0000 }, // KATAKANA LETTER E
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{ 0x30AD, 0x0000 }, // KATAKANA LETTER KI
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{ 0x30AE, 0x0000 }, // KATAKANA LETTER GI
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{ 0x30B1, 0x0000 }, // KATAKANA LETTER KE
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{ 0x30B2, 0x0000 }, // KATAKANA LETTER GE
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{ 0x30B7, 0x0000 }, // KATAKANA LETTER SI
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{ 0x30B8, 0x0000 }, // KATAKANA LETTER ZI
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{ 0x30BB, 0x0000 }, // KATAKANA LETTER SE
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{ 0x30BC, 0x0000 }, // KATAKANA LETTER ZE
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{ 0x30C1, 0x0000 }, // KATAKANA LETTER TI
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{ 0x30C2, 0x0000 }, // KATAKANA LETTER DI
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{ 0x30C6, 0x0000 }, // KATAKANA LETTER TE
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{ 0x30C7, 0x0000 }, // KATAKANA LETTER DE
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{ 0x30CB, 0x0000 }, // KATAKANA LETTER NI
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{ 0x30CD, 0x0000 }, // KATAKANA LETTER NE
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{ 0x30D2, 0x0000 }, // KATAKANA LETTER HI
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{ 0x30D3, 0x0000 }, // KATAKANA LETTER BI
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{ 0x30D4, 0x0000 }, // KATAKANA LETTER PI
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{ 0x30D8, 0x0000 }, // KATAKANA LETTER HE
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{ 0x30D9, 0x0000 }, // KATAKANA LETTER BE
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{ 0x30DA, 0x0000 }, // KATAKANA LETTER PE
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{ 0x30DF, 0x0000 }, // KATAKANA LETTER MI
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{ 0x30E1, 0x0000 }, // KATAKANA LETTER ME
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{ 0x30EA, 0x0000 }, // KATAKANA LETTER RI
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{ 0x30EC, 0x0000 }, // KATAKANA LETTER RE
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{ 0x30F0, 0x0000 }, // KATAKANA LETTER WI
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{ 0x30F1, 0x0000 }, // KATAKANA LETTER WE
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{ 0x30F6, 0x0000 }, // KATAKANA LETTER SMALL KE
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{ 0x30F8, 0x0000 }, // KATAKANA LETTER VI
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{ 0x30F9, 0x0000 } // KATAKANA LETTER VE
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};
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OUString
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ignoreIandEfollowedByYa_ja_JP::foldingImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
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{
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// Create a string buffer which can hold nCount + 1 characters.
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// The reference count is 1 now.
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rtl_uString * newStr = rtl_uString_alloc(nCount);
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sal_Unicode * dst = newStr->buffer;
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const sal_Unicode * src = inStr.getStr() + startPos;
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if (pOffset) {
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// Allocate nCount length to offset argument.
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pOffset->realloc( nCount );
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auto [begin, end] = asNonConstRange(*pOffset);
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std::iota(begin, end, startPos);
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}
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sal_Unicode previousChar = *src ++;
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sal_Unicode currentChar;
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// One to one mapping
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i18nutil::oneToOneMapping aTable(IandE, sizeof(IandE));
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// Translation
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while (-- nCount > 0) {
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currentChar = *src ++;
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// the character listed in above table + YA --> the character + A
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if (currentChar == 0x30E3 || // KATAKANA LETTER SMALL YA
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currentChar == 0x30E4) { // KATAKANA LETTER YA
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if (aTable[ previousChar ] != previousChar) {
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*dst ++ = previousChar;
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*dst ++ = 0x30A2; // KATAKANA LETTER A
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previousChar = *src ++;
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nCount --;
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continue;
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}
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}
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*dst ++ = previousChar;
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previousChar = currentChar;
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}
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if (nCount == 0) {
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*dst ++ = previousChar;
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}
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*dst = u'\0';
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newStr->length = sal_Int32(dst - newStr->buffer);
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if (pOffset)
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pOffset->realloc(newStr->length);
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return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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