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office-gobmx/include/unotools/localedatawrapper.hxx
Noel Grandin 5058a54d8d reduce symbol visibility 
Change-Id: Iad2d114d257244f456d5579636e5c25ce070a08a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166805
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2024-04-28 22:30:17 +02:00

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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 .
*/
#ifndef INCLUDED_UNOTOOLS_LOCALEDATAWRAPPER_HXX
#define INCLUDED_UNOTOOLS_LOCALEDATAWRAPPER_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/i18n/LocaleItem.hpp>
#include <com/sun/star/i18n/LocaleDataItem2.hpp>
#include <com/sun/star/i18n/LanguageCountryInfo.hpp>
#include <com/sun/star/i18n/ForbiddenCharacters.hpp>
#include <com/sun/star/i18n/reservedWords.hpp>
#include <rtl/ustring.hxx>
#include <rtl/math.h>
#include <i18nlangtag/languagetag.hxx>
#include <unotools/unotoolsdllapi.h>
#include <memory>
#include <string_view>
namespace com::sun::star::uno { class XComponentContext; }
namespace com::sun::star::i18n { class XLocaleData5; }
namespace com::sun::star::i18n { struct Calendar2; }
namespace com::sun::star::i18n { struct Currency2; }
namespace com::sun::star::i18n { struct FormatElement; }
namespace com::sun::star::i18n { struct CalendarItem2; }
class Date;
namespace tools
{
class Time;
class Duration;
}
class CalendarWrapper;
enum class DateOrder {
Invalid = -1,
MDY = 0,
DMY,
YMD,
};
enum class LongDateOrder {
Invalid = -1,
MDY = 0,
DMY,
YMD,
YDM
};
enum class MeasurementSystem {
Metric,
US
};
/**
* This class can be accessed without locking because we load
* all of the data in the constructor.
*/
class UNOTOOLS_DLLPUBLIC LocaleDataWrapper
{
static sal_uInt8 nLocaleDataChecking; // 0:=dontknow, 1:=yes, 2:=no
css::uno::Reference< css::uno::XComponentContext > m_xContext;
css::uno::Reference< css::i18n::XLocaleData5 > xLD;
LanguageTag maLanguageTag;
std::shared_ptr< css::i18n::Calendar2 > xDefaultCalendar;
std::shared_ptr< css::i18n::Calendar2 > xSecondaryCalendar;
css::i18n::LocaleDataItem2 aLocaleDataItem;
css::uno::Sequence< OUString > aDateAcceptancePatterns;
css::uno::Sequence< sal_Int32 > aGrouping;
// cached items
OUString aLocaleItem[css::i18n::LocaleItem::COUNT2];
std::vector<OUString> aReservedWords;
OUString aCurrSymbol;
OUString aCurrBankSymbol;
DateOrder nDateOrder;
LongDateOrder nLongDateOrder;
sal_uInt16 nCurrPositiveFormat;
sal_uInt16 nCurrNegativeFormat;
sal_uInt16 nCurrDigits;
SAL_DLLPRIVATE void loadData();
SAL_DLLPRIVATE void loadDateAcceptancePatterns(const std::vector<OUString> & rOverrideDateAcceptancePatterns);
const OUString& getOneLocaleItem( sal_Int16 nItem ) const;
const OUString& getOneReservedWord( sal_Int16 nWord ) const;
SAL_DLLPRIVATE void loadCurrencyFormats();
SAL_DLLPRIVATE void scanCurrFormatImpl( std::u16string_view rCode,
sal_Int32 nStart, sal_Int32& nSign,
sal_Int32& nPar, sal_Int32& nNum,
sal_Int32& nBlank, sal_Int32& nSym ) const;
SAL_DLLPRIVATE void loadDateOrders();
SAL_DLLPRIVATE LongDateOrder scanDateOrderImpl( std::u16string_view rCode ) const;
SAL_DLLPRIVATE void ImplAddFormatNum( rtl::OUStringBuffer& rBuf,
sal_Int64 nNumber, sal_uInt16 nDecimals,
bool bUseThousandSep, bool bTrailingZeros ) const;
SAL_DLLPRIVATE void loadDigitGrouping();
public:
LocaleDataWrapper(
const css::uno::Reference< css::uno::XComponentContext > & rxContext,
LanguageTag aLanguageTag
);
/**
@param rOverrideDateAcceptancePatterns Override locale's date acceptance patterns.
An empty sequence resets the patterns to the locale's pattern sequence.
*/
LocaleDataWrapper(
LanguageTag aLanguageTag,
const std::vector<OUString> & rOverrideDateAcceptancePatterns = {}
);
~LocaleDataWrapper();
/** Get the service factory, meant to be able to create a CalendarWrapper
from a LocaleDataWrapper. Note that the service factory may be
non-existent if this LocaleDataWrapper was created without one and
lives "on the grassland". The CalendarWrapper ctor can handle that
though. */
const css::uno::Reference<
css::uno::XComponentContext > & getComponentContext()
const { return m_xContext; }
/// get current requested Locale
const LanguageTag& getLanguageTag() const;
/// get current loaded Locale, which might differ from the requested Locale
LanguageTag getLoadedLanguageTag() const;
// Wrapper implementations of service LocaleData
SAL_DLLPRIVATE css::i18n::LanguageCountryInfo getLanguageCountryInfo() const;
/// NOTE: this wraps XLocaleData5::getLocaleItem2() in fact.
const css::i18n::LocaleDataItem2& getLocaleItem() const;
/// NOTE: this wraps XLocaleData3::getAllCalendars2() in fact.
css::uno::Sequence< css::i18n::Calendar2 > getAllCalendars() const;
/// NOTE: this wraps XLocaleData2::getAllCurrencies2() in fact.
css::uno::Sequence< css::i18n::Currency2 > getAllCurrencies() const;
css::uno::Sequence< css::i18n::FormatElement > getAllFormats() const;
css::i18n::ForbiddenCharacters getForbiddenCharacters() const;
SAL_DLLPRIVATE const css::uno::Sequence< css::lang::Locale > & getAllInstalledLocaleNames() const;
const css::uno::Sequence< OUString > & getDateAcceptancePatterns() const;
/// same as the wrapper implementation but static
static const css::uno::Sequence< css::lang::Locale > & getInstalledLocaleNames();
/** Get LanguageTypes for all installed locales which are unambiguous
convertible back and forth between locale ISO strings and MS-LCID
LanguageType. Upon the first time the function is called when
locale data checking is enabled, messages are shown for locales not
matching, excluding already known problems.
(e.g. used in number formatter dialog init)
*/
static const std::vector< LanguageType > & getInstalledLanguageTypes();
/// maps the LocaleData string to the International enum
static MeasurementSystem mapMeasurementStringToEnum( std::u16string_view rMS );
/// Convenience method to obtain the default calendar.
const std::shared_ptr< css::i18n::Calendar2 >& getDefaultCalendar() const;
/// Convenience method to obtain the day names of the default calendar.
css::uno::Sequence< css::i18n::CalendarItem2 > const & getDefaultCalendarDays() const;
/// Convenience method to obtain the month names of the default calendar.
css::uno::Sequence< css::i18n::CalendarItem2 > const & getDefaultCalendarMonths() const;
/** If the secondary calendar, if any, is of the name passed AND number
formats using it usually use the E or EE keyword (EC|EEC). */
bool doesSecondaryCalendarUseEC( std::u16string_view rName ) const;
/** Obtain digit grouping. The usually known grouping by thousands (#,###)
is actually only one of possible groupings. Another one, for example,
used in India is group by 3 and then by 2 indefinitely (#,##,###). The
integer sequence returned here specifies grouping from right to left
(!), with a 0 entry designating the end of rules and the previous value
to be repeated indefinitely. Hence the sequence {3,0} specifies the
usual grouping by thousands, whereas the sequence {3,2,0} specifies
Indian grouping. The sal_Int32* getConstArray() can be passed directly
to the ::rtl::math::doubleToString() methods as argument for the
pGroups parameter. */
const css::uno::Sequence< sal_Int32 >& getDigitGrouping() const;
// Functionality of class International methods, LocaleItem
const OUString& getDateSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::DATE_SEPARATOR ); }
const OUString& getNumThousandSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::THOUSAND_SEPARATOR ); }
const OUString& getNumDecimalSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::DECIMAL_SEPARATOR ); }
const OUString& getNumDecimalSepAlt() const
{ return getOneLocaleItem( css::i18n::LocaleItem::DECIMAL_SEPARATOR_ALTERNATIVE ); }
const OUString& getTimeSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::TIME_SEPARATOR ); }
const OUString& getTime100SecSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::TIME_100SEC_SEPARATOR ); }
const OUString& getListSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::LIST_SEPARATOR ); }
const OUString& getQuotationMarkStart() const
{ return getOneLocaleItem( css::i18n::LocaleItem::SINGLE_QUOTATION_START ); }
const OUString& getQuotationMarkEnd() const
{ return getOneLocaleItem( css::i18n::LocaleItem::SINGLE_QUOTATION_END ); }
const OUString& getDoubleQuotationMarkStart() const
{ return getOneLocaleItem( css::i18n::LocaleItem::DOUBLE_QUOTATION_START ); }
const OUString& getDoubleQuotationMarkEnd() const
{ return getOneLocaleItem( css::i18n::LocaleItem::DOUBLE_QUOTATION_END ); }
MeasurementSystem getMeasurementSystemEnum() const
{ return mapMeasurementStringToEnum( getOneLocaleItem( css::i18n::LocaleItem::MEASUREMENT_SYSTEM ) ); }
const OUString& getTimeAM() const
{ return getOneLocaleItem( css::i18n::LocaleItem::TIME_AM ); }
const OUString& getTimePM() const
{ return getOneLocaleItem( css::i18n::LocaleItem::TIME_PM ); }
const OUString& getLongDateDayOfWeekSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::LONG_DATE_DAY_OF_WEEK_SEPARATOR ); }
const OUString& getLongDateDaySep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::LONG_DATE_DAY_SEPARATOR ); }
const OUString& getLongDateMonthSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::LONG_DATE_MONTH_SEPARATOR ); }
const OUString& getLongDateYearSep() const
{ return getOneLocaleItem( css::i18n::LocaleItem::LONG_DATE_YEAR_SEPARATOR ); }
/** A wrapper around rtl::math::stringToDouble() using the locale dependent
decimal separator, group separator, and if needed decimal separator
alternative.
The decimal separator is tried first, if the conversion does not match
the entire string then the decimal separator alternative is tried if it
occurs in the string and was the reason to stop.
Leading blanks are skipped, trailing blanks are not skipped. The number
is parsed up to the first non-floating point number character, same as
rtl::math::stringToDouble() does. The caller is responsible for proper
error checking and end comparison.
@param aString
The string to parse as floating point number.
@param bUseGroupSep
Whether group separator is used/accepted during parsing.
@param pStatus
Pointer to receive the conversion status as in
rtl::math::stringToDouble().
@param pParseEnd
Pointer to receive the parse end (exclusive) as in
rtl::math::stringToDouble().
@return The floating point number as parsed.
*/
double stringToDouble( std::u16string_view aString, bool bUseGroupSep,
rtl_math_ConversionStatus* pStatus, sal_Int32* pParseEnd ) const;
/** A wrapper around rtl_math_uStringToDouble() using the locale dependent
decimal separator, group separator, and if needed decimal separator
alternative.
The decimal separator is tried first, if the conversion does not match
the entire string then the decimal separator alternative is tried if it
occurs in the string and was the reason to stop.
Leading blanks are skipped, trailing blanks are not skipped. The number
is parsed up to the first non-floating point number character, same as
rtl_math_uStringToDouble() does. The caller is responsible for proper
error checking and end comparison.
@param pBegin
The string position to start parsing a floating point number.
@param pEnd
The string position to stop parsing, exclusive.
@param bUseGroupSep
Whether group separator is used/accepted during parsing.
@param pStatus
Pointer to receive the conversion status as in
rtl_math_uStringToDouble().
@param pParseEnd
Pointer to receive the parse end (exclusive) as in
rtl_math_uStringToDouble().
@return The floating point number as parsed.
*/
double stringToDouble( const sal_Unicode* pBegin, const sal_Unicode* pEnd, bool bUseGroupSep,
rtl_math_ConversionStatus* pStatus, const sal_Unicode** ppParseEnd ) const;
// currency
const OUString& getCurrSymbol() const;
const OUString& getCurrBankSymbol() const;
sal_uInt16 getCurrPositiveFormat() const;
sal_uInt16 getCurrNegativeFormat() const;
sal_uInt16 getCurrDigits() const;
// simple date and time formatting
DateOrder getDateOrder() const;
LongDateOrder getLongDateOrder() const;
/// only numerical values of Gregorian calendar
OUString getDate( const Date& rDate ) const;
OUString getTime( const tools::Time& rTime, bool bSec = true,
bool b100Sec = false ) const;
OUString getDuration( const tools::Duration& rDuration,
bool bSec = true, bool b100Sec = false ) const;
/** Simple number formatting
@param nNumber
value * 10**nDecimals
@param bTrailingZeros
</sal_True> := always display trailing zeros in
decimal places, even if integer value.
</sal_False> := trailing zeros are only displayed
if the value is not an integer value.
*/
OUString getNum( sal_Int64 nNumber, sal_uInt16 nDecimals,
bool bUseThousandSep = true,
bool bTrailingZeros = true ) const;
/// "Secure" currency formatted string.
OUString getCurr( sal_Int64 nNumber, sal_uInt16 nDecimals,
std::u16string_view rCurrencySymbol,
bool bUseThousandSep = true ) const;
// dummy returns, to be implemented
sal_Unicode getCurrZeroChar() const
{ return '0'; }
static bool isNumLeadingZero()
{ return true; }
/// standard decimal places
static sal_uInt16 getNumDigits()
{ return 2; }
static bool isNumTrailingZeros()
{ return true; }
// reserved words
const OUString& getTrueWord() const
{ return getOneReservedWord( css::i18n::reservedWords::TRUE_WORD ); }
const OUString& getFalseWord() const
{ return getOneReservedWord( css::i18n::reservedWords::FALSE_WORD ); }
const OUString& getAboveWord() const
{ return getOneReservedWord( css::i18n::reservedWords::ABOVE_WORD ); }
const OUString& getBelowWord() const
{ return getOneReservedWord( css::i18n::reservedWords::BELOW_WORD ); }
/// return a quarter abbreviation string matching nQuarter (0..3) => "Q1" .. "Q2"
const OUString& getQuarterAbbreviation( sal_Int16 nQuarter ) const
{ return getOneReservedWord( css::i18n::reservedWords::QUARTER1_ABBREVIATION + nQuarter ); }
/** Return whether locale data checks are enabled.
Checks are enabled if the environment variable
OOO_ENABLE_LOCALE_DATA_CHECKS is set to 'Y' or 'Yes' (or any other
string starting with 'Y') or '1'.
Also used in conjunction with the number formatter. */
static bool areChecksEnabled()
{
if (nLocaleDataChecking == 0)
evaluateLocaleDataChecking();
return nLocaleDataChecking == 1;
}
/** Append locale info to string, used with locale data checking.
A string similar to "de_DE requested\n en_US loaded" is appended. */
OUString appendLocaleInfo(std::u16string_view rDebugMsg) const;
/** Output a message during locale data checking. The (UTF-8) string is
written to stderr and in a non-product build or if DBG_UTIL is enabled
also raised as an assertion message box. */
static void outputCheckMessage( std::u16string_view rMsg );
static void outputCheckMessage( const char* pStr);
LocaleDataWrapper(const LocaleDataWrapper&) = delete;
LocaleDataWrapper& operator=(const LocaleDataWrapper&) = delete;
private:
SAL_DLLPRIVATE const css::lang::Locale & getMyLocale() const;
static void evaluateLocaleDataChecking();
};
#endif // INCLUDED_UNOTOOLS_LOCALEDATAWRAPPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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