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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <com/sun/star/uno/XComponentContext.hpp>
      21             : #include <boost/scoped_ptr.hpp>
      22             : #include <i18nlangtag/languagetag.hxx>
      23             : #include <i18nlangtag/languagetagicu.hxx>
      24             : #include <cppuhelper/supportsservice.hxx>
      25             : #include <string.h>
      26             : #include "ordinalsuffix.hxx"
      27             : 
      28             : #include <unicode/rbnf.h>
      29             : #include <unicode/normlzr.h>
      30             : 
      31             : using namespace ::com::sun::star::i18n;
      32             : using namespace ::com::sun::star::uno;
      33             : using namespace ::com::sun::star;
      34             : 
      35             : namespace com { namespace sun { namespace star { namespace i18n {
      36             : 
      37             : 
      38           0 : OrdinalSuffix::OrdinalSuffix()
      39             : {
      40           0 : }
      41             : 
      42           0 : OrdinalSuffix::~OrdinalSuffix()
      43             : {
      44           0 : }
      45             : 
      46             : namespace
      47             : {
      48           0 :     OUString mungeUnicodeStringToOUString(const icu::UnicodeString &rIn, UErrorCode &rCode)
      49             :     {
      50             :         // Apply NFKC normalization to get normal letters
      51           0 :         icu::UnicodeString normalized;
      52           0 :         icu::Normalizer::normalize(rIn, UNORM_NFKC, 0, normalized, rCode);
      53             :         // Convert the normalized UnicodeString to OUString
      54           0 :         OUString sRet = (U_SUCCESS(rCode))
      55           0 :             ? OUString(reinterpret_cast<const sal_Unicode *>(normalized.getBuffer()), normalized.length())
      56           0 :             : OUString();
      57             :         // replace any minus signs with hyphen-minus so that negative numbers
      58             :         // from the simple number formatter and heavy-duty pattern formatter
      59             :         // agree as to their negative number sign
      60           0 :         return sRet.replace(0x2212, '-');
      61             :     }
      62             : }
      63             : 
      64             : /*
      65             :  * For this method to properly return the ordinal suffix for other locales
      66             :  * than english ones, ICU 4.2+ has to be used.
      67             :  */
      68           0 : uno::Sequence< OUString > SAL_CALL OrdinalSuffix::getOrdinalSuffix( sal_Int32 nNumber,
      69             :         const lang::Locale &rLocale ) throw( RuntimeException, std::exception )
      70             : {
      71           0 :     uno::Sequence< OUString > retValue;
      72             : 
      73             :     // Get the value from ICU
      74           0 :     UErrorCode nCode = U_ZERO_ERROR;
      75           0 :     const icu::Locale aIcuLocale( LanguageTagIcu::getIcuLocale( LanguageTag( rLocale)));
      76             : 
      77           0 :     icu::RuleBasedNumberFormat formatter(icu::URBNF_ORDINAL, aIcuLocale, nCode);
      78           0 :     if (!U_SUCCESS(nCode))
      79           0 :         return retValue;
      80             : 
      81           0 :     boost::scoped_ptr<NumberFormat> xNumberFormat(icu::NumberFormat::createInstance(aIcuLocale, nCode));
      82           0 :     if (!U_SUCCESS(nCode))
      83           0 :         return retValue;
      84             : 
      85           0 :     icu::UnicodeString sFormatWithNoOrdinal;
      86           0 :     icu::Formattable ftmNumber((int32_t)nNumber);
      87           0 :     icu::FieldPosition icuPosA;
      88           0 :     xNumberFormat->format(ftmNumber, sFormatWithNoOrdinal, icuPosA, nCode);
      89           0 :     if (!U_SUCCESS(nCode))
      90           0 :         return retValue;
      91             : 
      92           0 :     OUString sValueWithNoOrdinal = mungeUnicodeStringToOUString(sFormatWithNoOrdinal, nCode);
      93           0 :     if (!U_SUCCESS(nCode))
      94           0 :         return retValue;
      95             : 
      96           0 :     int32_t nRuleSets = formatter.getNumberOfRuleSetNames( );
      97           0 :     for (int32_t i = 0; i < nRuleSets; ++i)
      98             :     {
      99           0 :         icu::UnicodeString ruleSet = formatter.getRuleSetName(i);
     100             : 
     101             :         // format the string
     102           0 :         icu::UnicodeString sFormatWithOrdinal;
     103           0 :         icu::FieldPosition icuPosB;
     104           0 :         formatter.format((int32_t)nNumber, ruleSet, sFormatWithOrdinal, icuPosB, nCode);
     105             : 
     106           0 :         if (!U_SUCCESS(nCode))
     107           0 :             continue;
     108             : 
     109           0 :         OUString sValueWithOrdinal = mungeUnicodeStringToOUString(sFormatWithOrdinal, nCode);
     110           0 :         if (!U_SUCCESS(nCode))
     111           0 :             continue;
     112             : 
     113             :         // fdo#54486 lets make sure that the ordinal format and the non-ordinal
     114             :         // format match at the start, so that the expectation can be verified
     115             :         // that there is some trailing "ordinal suffix" which can be extracted
     116           0 :         bool bSimpleOrdinalSuffix = sValueWithOrdinal.startsWith(sValueWithNoOrdinal);
     117             : 
     118             :         SAL_WARN_IF(!bSimpleOrdinalSuffix, "i18npool", "ordinal " <<
     119             :             sValueWithOrdinal << " didn't start with expected " <<
     120             :             sValueWithNoOrdinal << " prefix");
     121             : 
     122           0 :         if (!bSimpleOrdinalSuffix)
     123           0 :             continue;
     124             : 
     125             :         // Remove the number to get the prefix
     126           0 :         sal_Int32 len = sValueWithNoOrdinal.getLength();
     127             : 
     128           0 :         sal_Int32 newLength = retValue.getLength() + 1;
     129           0 :         retValue.realloc( newLength );
     130           0 :         retValue[ newLength - 1 ] = sValueWithOrdinal.copy( len );
     131           0 :     }
     132             : 
     133           0 :     return retValue;
     134             : }
     135             : 
     136             : const sal_Char cOrdinalSuffix[] = "com.sun.star.i18n.OrdinalSuffix";
     137             : 
     138           0 : OUString SAL_CALL OrdinalSuffix::getImplementationName(void) throw( RuntimeException, std::exception )
     139             : {
     140           0 :     return OUString::createFromAscii(cOrdinalSuffix);
     141             : }
     142             : 
     143           0 : sal_Bool SAL_CALL OrdinalSuffix::supportsService( const OUString& rServiceName) throw( RuntimeException, std::exception )
     144             : {
     145           0 :     return cppu::supportsService(this, rServiceName);
     146             : }
     147             : 
     148           0 : Sequence< OUString > SAL_CALL OrdinalSuffix::getSupportedServiceNames(void) throw( RuntimeException, std::exception )
     149             : {
     150           0 :     Sequence< OUString > aRet(1);
     151           0 :     aRet[0] = OUString::createFromAscii(cOrdinalSuffix);
     152           0 :     return aRet;
     153             : }
     154             : 
     155             : } } } }
     156             : 
     157             : extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
     158           0 : com_sun_star_i18n_OrdinalSuffix_get_implementation(
     159             :     css::uno::XComponentContext *,
     160             :     css::uno::Sequence<css::uno::Any> const &)
     161             : {
     162           0 :     return cppu::acquire(new css::i18n::OrdinalSuffix());
     163             : }
     164             : 
     165             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */