office-gobmx/i18npool/source/transliteration/fullwidthToHalfwidth.cxx
Noel Grandin c7551e8a46 speedup CharacterClassificationImpl::toUpper
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>
2021-09-16 12:05:00 +02:00

127 lines
4.8 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/.
*
* 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 <sal/config.h>
#include <com/sun/star/i18n/MultipleCharsOutputException.hpp>
#include <i18nutil/widthfolding.hxx>
#include <transliteration_OneToOne.hxx>
using namespace com::sun::star::uno;
using namespace com::sun::star::i18n;
using namespace com::sun::star::lang;
namespace i18npool {
fullwidthToHalfwidth::fullwidthToHalfwidth()
{
func = nullptr;
table = &i18nutil::widthfolding::getfull2halfTable();
transliterationName = "fullwidthToHalfwidth";
implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTH_HALFWIDTH";
}
/**
* Transliterate fullwidth to halfwidth.
* The output is a reference of OUString. You MUST delete this object when you do not need to use it any more
* The output string contains a transliterated string only, not whole string.
*/
OUString
fullwidthToHalfwidth::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
{
// Decomposition: GA --> KA + voice-mark
const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, pOffset);
// One to One mapping
return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), pOffset);
}
sal_Unicode SAL_CALL
fullwidthToHalfwidth::transliterateChar2Char( sal_Unicode inChar)
{
sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
if (newChar == 0xFFFF)
throw MultipleCharsOutputException();
return transliteration_OneToOne::transliterateChar2Char(inChar);
}
FULLWIDTHKATAKANA_HALFWIDTHKATAKANA::FULLWIDTHKATAKANA_HALFWIDTHKATAKANA()
{
func = nullptr;
table = &i18nutil::widthfolding::getfullKana2halfKanaTable();
transliterationName = "fullwidthKatakanaToHalfwidthKatakana";
implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTHKATAKANA_HALFWIDTHKATAKANA";
}
/**
* Transliterate fullwidth katakana to halfwidth katakana.
*/
OUString
FULLWIDTHKATAKANA_HALFWIDTHKATAKANA::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
{
// Decomposition: GA --> KA + voice-mark
const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, pOffset);
// One to One mapping
return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), nullptr);
}
sal_Unicode SAL_CALL
FULLWIDTHKATAKANA_HALFWIDTHKATAKANA::transliterateChar2Char( sal_Unicode inChar )
{
sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
if (newChar == 0xFFFF)
throw MultipleCharsOutputException();
return transliteration_OneToOne::transliterateChar2Char(inChar);
}
FULLWIDTH_HALFWIDTH_LIKE_ASC::FULLWIDTH_HALFWIDTH_LIKE_ASC()
{
func = nullptr;
table = &i18nutil::widthfolding::getfull2halfTableForASC();
transliterationName = "fullwidthToHalfwidthLikeASC";
implementationName = "com.sun.star.i18n.Transliteration.FULLWIDTH_HALFWIDTH_LIKE_ASC";
}
/**
* Transliterate fullwidth to halfwidth like Excel's ASC function.
*/
OUString
FULLWIDTH_HALFWIDTH_LIKE_ASC::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
{
// Decomposition: GA --> KA + voice-mark
const OUString& newStr = i18nutil::widthfolding::decompose_ja_voiced_sound_marks (inStr, startPos, nCount, pOffset);
// One to One mapping
return transliteration_OneToOne::transliterateImpl( newStr, 0, newStr.getLength(), nullptr);
}
sal_Unicode SAL_CALL
FULLWIDTH_HALFWIDTH_LIKE_ASC::transliterateChar2Char( sal_Unicode inChar )
{
sal_Unicode newChar = i18nutil::widthfolding::decompose_ja_voiced_sound_marksChar2Char (inChar);
if (newChar == 0xFFFF)
throw MultipleCharsOutputException();
return transliteration_OneToOne::transliterateChar2Char(inChar);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */