summaryrefslogtreecommitdiff
path: root/i18npool/source/ordinalsuffix/ordinalsuffix.cxx
blob: a0760a0b63061c16ed621a2a6af6ebd027b1ac3c (plain)
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
166
167
168
169
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#include <boost/scoped_ptr.hpp>
#include <comphelper/processfactory.hxx>
#include <string.h>
#include "ordinalsuffix.hxx"

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

#define CSTR( ouStr ) rtl::OUStringToOString( ouStr, RTL_TEXTENCODING_UTF8 ).getStr( )

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

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


OrdinalSuffix::OrdinalSuffix(
        const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory >& rxMSF) :
    _xServiceManager( rxMSF )
{
}

OrdinalSuffix::~OrdinalSuffix()
{
}

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 OrdinalSuffix::getOrdinalSuffix( sal_Int32 nNumber,
        const lang::Locale &aLocale ) throw( RuntimeException )
{
    uno::Sequence< OUString > retValue;

    // Get the value from ICU
    UErrorCode nCode = U_ZERO_ERROR;
    const icu::Locale rIcuLocale(
            CSTR( aLocale.Language ),
            CSTR( aLocale.Country ),
            CSTR( aLocale.Variant ) );

    icu::RuleBasedNumberFormat formatter(icu::URBNF_ORDINAL, rIcuLocale, nCode);
    if (!U_SUCCESS(nCode))
        return retValue;

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

    icu::UnicodeString sFormatWithNoOrdinal;
    xNumberFormat->format((int32_t)nNumber, sFormatWithNoOrdinal, NULL, 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 icuPos;
        formatter.format( (int32_t)nNumber, ruleSet, sFormatWithOrdinal, icuPos, 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.match(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 OrdinalSuffix::getImplementationName(void) throw( RuntimeException )
{
    return OUString::createFromAscii(cOrdinalSuffix);
}

sal_Bool SAL_CALL OrdinalSuffix::supportsService( const OUString& rServiceName) throw( RuntimeException )
{
    return !rServiceName.compareToAscii(cOrdinalSuffix);
}

Sequence< OUString > SAL_CALL OrdinalSuffix::getSupportedServiceNames(void) throw( RuntimeException )
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString::createFromAscii(cOrdinalSuffix);
    return aRet;
}

} } } }

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