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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 <i18nlangtag/languagetag.hxx>
#include <i18nlangtag/languagetagicu.hxx>
#include <sal/log.hxx>
#include <comphelper/sequence.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <ordinalsuffix.hxx>
#include <unicode/rbnf.h>
#include <unicode/normlzr.h>
#include <memory>
namespace com::sun::star::uno { class XComponentContext; }
using namespace ::com::sun::star::i18n;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
namespace i18npool {
OrdinalSuffixService::OrdinalSuffixService()
{
}
OrdinalSuffixService::~OrdinalSuffixService()
{
}
namespace
{
OUString mungeUnicodeStringToOUString(const icu::UnicodeString &rIn, UErrorCode &rCode)
{
// Apply NFKC normalization to get normal letters
icu::UnicodeString normalized;
icu::Normalizer::normalize(rIn, UNORM_NFKC, 0, normalized, rCode);
// Convert the normalized UnicodeString to OUString
OUString sRet = (U_SUCCESS(rCode))
? OUString(reinterpret_cast<const sal_Unicode *>(normalized.getBuffer()), normalized.length())
: OUString();
// replace any minus signs with hyphen-minus so that negative numbers
// from the simple number formatter and heavy-duty pattern formatter
// agree as to their negative number sign
return sRet.replace(0x2212, '-');
}
}
/*
* For this method to properly return the ordinal suffix for other locales
* than english ones, ICU 4.2+ has to be used.
*/
uno::Sequence< OUString > SAL_CALL OrdinalSuffixService::getOrdinalSuffix( sal_Int32 nNumber,
const lang::Locale &rLocale )
{
uno::Sequence< OUString > retValue;
// Get the value from ICU
UErrorCode nCode = U_ZERO_ERROR;
const icu::Locale aIcuLocale( LanguageTagIcu::getIcuLocale( LanguageTag( rLocale)));
icu::RuleBasedNumberFormat formatter(icu::URBNF_ORDINAL, aIcuLocale, nCode);
if (!U_SUCCESS(nCode))
return retValue;
std::unique_ptr<icu::NumberFormat> xNumberFormat(icu::NumberFormat::createInstance(aIcuLocale, nCode));
if (!U_SUCCESS(nCode))
return retValue;
icu::UnicodeString sFormatWithNoOrdinal;
icu::Formattable ftmNumber(static_cast<int32_t>(nNumber));
icu::FieldPosition icuPosA;
xNumberFormat->format(ftmNumber, sFormatWithNoOrdinal, icuPosA, nCode);
if (!U_SUCCESS(nCode))
return retValue;
OUString sValueWithNoOrdinal = mungeUnicodeStringToOUString(sFormatWithNoOrdinal, nCode);
if (!U_SUCCESS(nCode))
return retValue;
int32_t nRuleSets = formatter.getNumberOfRuleSetNames( );
std::vector<OUString> retVec;
retVec.reserve(nRuleSets);
for (int32_t i = 0; i < nRuleSets; ++i)
{
icu::UnicodeString ruleSet = formatter.getRuleSetName(i);
// format the string
icu::UnicodeString sFormatWithOrdinal;
icu::FieldPosition icuPosB;
formatter.format(static_cast<int32_t>(nNumber), ruleSet, sFormatWithOrdinal, icuPosB, nCode);
if (!U_SUCCESS(nCode))
continue;
OUString sValueWithOrdinal = mungeUnicodeStringToOUString(sFormatWithOrdinal, nCode);
if (!U_SUCCESS(nCode))
continue;
// fdo#54486 lets make sure that the ordinal format and the non-ordinal
// format match at the start, so that the expectation can be verified
// that there is some trailing "ordinal suffix" which can be extracted
bool bSimpleOrdinalSuffix = sValueWithOrdinal.startsWith(sValueWithNoOrdinal);
SAL_WARN_IF(!bSimpleOrdinalSuffix, "i18npool", "ordinal " <<
sValueWithOrdinal << " didn't start with expected " <<
sValueWithNoOrdinal << " prefix");
if (!bSimpleOrdinalSuffix)
continue;
// Remove the number to get the prefix
sal_Int32 len = sValueWithNoOrdinal.getLength();
retVec.push_back(sValueWithOrdinal.copy(len));
}
return comphelper::containerToSequence(retVec);
}
constexpr OUStringLiteral cOrdinalSuffix = u"com.sun.star.i18n.OrdinalSuffix";
OUString SAL_CALL OrdinalSuffixService::getImplementationName()
{
return cOrdinalSuffix;
}
sal_Bool SAL_CALL OrdinalSuffixService::supportsService( const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > SAL_CALL OrdinalSuffixService::getSupportedServiceNames()
{
return { cOrdinalSuffix };
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_i18n_OrdinalSuffix_get_implementation(
css::uno::XComponentContext *,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new i18npool::OrdinalSuffixService());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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