00e2f118d7
Use range-based loops, STL and comphelper functions. Change-Id: Ibbc1c14e921585819872f26e8def2a60594e6a63 Reviewed-on: https://gerrit.libreoffice.org/78754 Tested-by: Jenkins Reviewed-by: Arkadiy Illarionov <qarkai@gmail.com>
95 lines
2.8 KiB
C++
95 lines
2.8 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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#include <comphelper/sequence.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <transliteration_Ignore.hxx>
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#include <unicode/translit.h>
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namespace i18npool {
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ignoreDiacritics_CTL::ignoreDiacritics_CTL()
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{
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func = nullptr;
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table = nullptr;
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map = nullptr;
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transliterationName = "ignoreDiacritics_CTL";
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implementationName = "com.sun.star.i18n.Transliteration.ignoreDiacritics_CTL";
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UErrorCode nStatus = U_ZERO_ERROR;
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m_transliterator = icu::Transliterator::createInstance("NFD; [:M:] Remove; NFC",
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UTRANS_FORWARD, nStatus);
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if (U_FAILURE(nStatus))
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m_transliterator = nullptr;
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}
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sal_Unicode SAL_CALL
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ignoreDiacritics_CTL::transliterateChar2Char(sal_Unicode nInChar)
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{
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if (!m_transliterator)
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throw css::uno::RuntimeException();
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icu::UnicodeString aChar(nInChar);
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m_transliterator->transliterate(aChar);
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if (aChar.isEmpty())
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return 0xffff; // Skip this character.
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if (aChar.length() > 1)
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return nInChar; // Don't know what to do here, return the original.
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return aChar[0];
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}
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OUString
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ignoreDiacritics_CTL::foldingImpl(const OUString& rInStr, sal_Int32 nStartPos,
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sal_Int32 nCount, css::uno::Sequence<sal_Int32>& rOffset, bool useOffset)
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{
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if (!m_transliterator)
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throw css::uno::RuntimeException();
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if (nStartPos < 0 || nStartPos + nCount > rInStr.getLength())
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throw css::uno::RuntimeException();
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if (useOffset)
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{
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OUStringBuffer aOutBuf(nCount);
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std::vector<sal_Int32> aOffset;
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aOffset.reserve(nCount);
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sal_Int32 nPosition = nStartPos;
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while (nPosition < nStartPos + nCount)
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{
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sal_Int32 nIndex = nPosition;
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UChar32 nChar = rInStr.iterateCodePoints(&nIndex);
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icu::UnicodeString aUStr(nChar);
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m_transliterator->transliterate(aUStr);
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aOutBuf.append(reinterpret_cast<const sal_Unicode*>(aUStr.getBuffer()), aUStr.length());
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std::fill_n(std::back_inserter(aOffset), aUStr.length(), nPosition);
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nPosition = nIndex;
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}
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rOffset = comphelper::containerToSequence(aOffset);
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return aOutBuf.makeStringAndClear();
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}
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else
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{
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icu::UnicodeString aUStr(reinterpret_cast<const UChar*>(rInStr.getStr()) + nStartPos, nCount);
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m_transliterator->transliterate(aUStr);
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return OUString(reinterpret_cast<const sal_Unicode*>(aUStr.getBuffer()), aUStr.length());
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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