# Cppcheck report - LibreOffice: i18npool/source/ordinalsuffix/ordinalsuffix.cxx

      1
      2
      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
     17
     18
     19
     20
     21
     22
     23
     24
     25
     26
     27
     28
     29
     30
     31
     32
     33
     34
     35
     36
     37
     38
     39
     40
     41
     42
     43
     44
     45
     46
     47
     48
     49
     50
     51
     52
     53
     54
     55
     56
     57
     58
     59
     60
     61
     62
     63
     64
     65
     66
     67
     68
     69
     70
     71
     72
     73
     74
     75
     76
     77
     78
     79
     80
     81
     82
     83
     84
     85
     86
     87
     88
     89
     90
     91
     92
     93
     94
     95
     96
     97
     98
     99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    157
    158
    159
    160
    161
    162
    163
    164
    165

    /* -*- 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 <com/sun/star/uno/XComponentContext.hpp>
    #include <boost/scoped_ptr.hpp>
    #include <i18nlangtag/languagetag.hxx>
    #include <i18nlangtag/languagetagicu.hxx>
    #include <cppuhelper/supportsservice.hxx>
    #include <string.h>
    #include "ordinalsuffix.hxx"

    #include <unicode/rbnf.h>
    #include <unicode/normlzr.h>

    using namespace ::com::sun::star::i18n;
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star;

    namespace com { namespace sun { namespace star { namespace i18n {

    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 ) throw( RuntimeException, std::exception )
    {
        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;

        boost::scoped_ptr<NumberFormat> xNumberFormat(icu::NumberFormat::createInstance(aIcuLocale, nCode));
        if (!U_SUCCESS(nCode))
            return retValue;

        icu::UnicodeString sFormatWithNoOrdinal;
        icu::Formattable ftmNumber((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( );
        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((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();

            sal_Int32 newLength = retValue.getLength() + 1;
            retValue.realloc( newLength );
            retValue[ newLength - 1 ] = sValueWithOrdinal.copy( len );
        }

        return retValue;
    }

    const sal_Char cOrdinalSuffix[] = "com.sun.star.i18n.OrdinalSuffix";

    OUString SAL_CALL OrdinalSuffixService::getImplementationName(void) throw( RuntimeException, std::exception )
    {
        return OUString(cOrdinalSuffix);
    }

    sal_Bool SAL_CALL OrdinalSuffixService::supportsService( const OUString& rServiceName) throw( RuntimeException, std::exception )
    {
        return cppu::supportsService(this, rServiceName);
    }

    Sequence< OUString > SAL_CALL OrdinalSuffixService::getSupportedServiceNames(void) throw( RuntimeException, std::exception )
    {
        Sequence< OUString > aRet(1);
        aRet[0] = cOrdinalSuffix;
        return aRet;
    }

    } } } }

    extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
    com_sun_star_i18n_OrdinalSuffix_get_implementation(<--- The function 'com_sun_star_i18n_OrdinalSuffix_get_implementation' is never used.
        css::uno::XComponentContext *,
        css::uno::Sequence<css::uno::Any> const &)
    {
        return cppu::acquire(new css::i18n::OrdinalSuffixService());
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */