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Diffstat (limited to 'include/unotools/localedatawrapper.hxx')
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diff --git a/include/unotools/localedatawrapper.hxx b/include/unotools/localedatawrapper.hxx new file mode 100644 index 000000000..5fbdcd078 --- /dev/null +++ b/include/unotools/localedatawrapper.hxx @@ -0,0 +1,394 @@ +/* -*- 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 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; + + void loadData(); + void loadDateAcceptancePatterns(const std::vector<OUString> & rOverrideDateAcceptancePatterns); + + const OUString& getOneLocaleItem( sal_Int16 nItem ) const; + + const OUString& getOneReservedWord( sal_Int16 nWord ) const; + + void loadCurrencyFormats(); + + 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; + + void loadDateOrders(); + LongDateOrder scanDateOrderImpl( std::u16string_view rCode ) const; + + void ImplAddFormatNum( rtl::OUStringBuffer& rBuf, + sal_Int64 nNumber, sal_uInt16 nDecimals, + bool bUseThousandSep, bool bTrailingZeros ) const; + + 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 + + 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; + 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 + MeasurementSystem mapMeasurementStringToEnum( std::u16string_view rMS ) const; + + /// 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::Time& rTime, + 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: + + const css::lang::Locale & getMyLocale() const; + + static void evaluateLocaleDataChecking(); +}; + +#endif // INCLUDED_UNOTOOLS_LOCALEDATAWRAPPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |