c7551e8a46
remove empty sequence creation in CharacterClassificationImpl::toUpper, rather pass a pointer, so it can be nullptr. Which results in a fair degree of cascading change. Change-Id: Ie56d49dc71480195c1807764b0d5124f0019f30b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/122183 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
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 -*- */
|
|
/*
|
|
* 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/.
|
|
*/
|
|
|
|
#include <comphelper/sequence.hxx>
|
|
#include <rtl/ustrbuf.hxx>
|
|
#include <transliteration_Ignore.hxx>
|
|
#include <unicode/translit.h>
|
|
|
|
namespace i18npool {
|
|
|
|
ignoreDiacritics_CTL::ignoreDiacritics_CTL()
|
|
{
|
|
func = nullptr;
|
|
table = nullptr;
|
|
map = nullptr;
|
|
transliterationName = "ignoreDiacritics_CTL";
|
|
implementationName = "com.sun.star.i18n.Transliteration.ignoreDiacritics_CTL";
|
|
|
|
UErrorCode nStatus = U_ZERO_ERROR;
|
|
m_transliterator.reset( icu::Transliterator::createInstance("NFD; [:M:] Remove; NFC",
|
|
UTRANS_FORWARD, nStatus) );
|
|
if (U_FAILURE(nStatus))
|
|
m_transliterator = nullptr;
|
|
}
|
|
|
|
sal_Unicode SAL_CALL
|
|
ignoreDiacritics_CTL::transliterateChar2Char(sal_Unicode nInChar)
|
|
{
|
|
if (!m_transliterator)
|
|
throw css::uno::RuntimeException();
|
|
|
|
icu::UnicodeString aChar(nInChar);
|
|
m_transliterator->transliterate(aChar);
|
|
|
|
if (aChar.isEmpty())
|
|
return 0xffff; // Skip this character.
|
|
|
|
if (aChar.length() > 1)
|
|
return nInChar; // Don't know what to do here, return the original.
|
|
|
|
return aChar[0];
|
|
}
|
|
|
|
OUString
|
|
ignoreDiacritics_CTL::foldingImpl(const OUString& rInStr, sal_Int32 nStartPos,
|
|
sal_Int32 nCount, css::uno::Sequence<sal_Int32>* pOffset)
|
|
{
|
|
if (!m_transliterator)
|
|
throw css::uno::RuntimeException();
|
|
|
|
if (nStartPos < 0 || nStartPos + nCount > rInStr.getLength())
|
|
throw css::uno::RuntimeException();
|
|
|
|
if (pOffset)
|
|
{
|
|
OUStringBuffer aOutBuf(nCount);
|
|
|
|
std::vector<sal_Int32> aOffset;
|
|
aOffset.reserve(nCount);
|
|
|
|
sal_Int32 nPosition = nStartPos;
|
|
while (nPosition < nStartPos + nCount)
|
|
{
|
|
sal_Int32 nIndex = nPosition;
|
|
UChar32 nChar = rInStr.iterateCodePoints(&nIndex);
|
|
icu::UnicodeString aUStr(nChar);
|
|
m_transliterator->transliterate(aUStr);
|
|
|
|
aOutBuf.append(reinterpret_cast<const sal_Unicode*>(aUStr.getBuffer()), aUStr.length());
|
|
|
|
std::fill_n(std::back_inserter(aOffset), aUStr.length(), nPosition);
|
|
|
|
nPosition = nIndex;
|
|
}
|
|
|
|
*pOffset = comphelper::containerToSequence(aOffset);
|
|
return aOutBuf.makeStringAndClear();
|
|
}
|
|
else
|
|
{
|
|
icu::UnicodeString aUStr(reinterpret_cast<const UChar*>(rInStr.getStr()) + nStartPos, nCount);
|
|
m_transliterator->transliterate(aUStr);
|
|
return OUString(reinterpret_cast<const sal_Unicode*>(aUStr.getBuffer()), aUStr.length());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|