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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation
** and appearing in the file LICENSE.LGPL included in the packaging
** of this file.
**
****************************************************************************/
#ifndef MLOCALE_P_H
#define MLOCALE_P_H
#include <QSet>
#include <QList>
#include <QString>
#include <QStringList>
#include <QExplicitlySharedDataPointer>
#include <QLocale>
#include <QCache>
#ifdef HAVE_ICU
#include <unicode/datefmt.h>
#include <unicode/numfmt.h>
#include <unicode/decimfmt.h>
#include <unicode/unistr.h>
#include <unicode/dtfmtsym.h>
#endif
#ifdef HAVE_GCONF
#include "mgconfitem.h"
#endif
#include "mlocale.h"
class QString;
class MTranslationCatalog;
class MLocalePrivate
{
Q_DECLARE_PUBLIC(MLocale)
public:
MLocalePrivate();
MLocalePrivate(const MLocalePrivate &other);
virtual ~MLocalePrivate();
MLocalePrivate &operator=(const MLocalePrivate &other);
typedef QList<QExplicitlySharedDataPointer<MTranslationCatalog> > CatalogList;
// return string for a category, default if category is not set
QString categoryName(MLocale::Category category) const;
/*!
* \brief loads the QTranslators for all current catalogs
*/
void loadTrCatalogs();
/*!
* \brief Installs the translations into QCoreApplication
*/
void insertTrToQCoreApp();
/*!
* \brief Removes the translations from QCoreApplication
*/
void removeTrFromQCoreApp();
/*!
* \brief inserts a text direction translator into QCoreApplication
*
* This is a special translator used to make QCoreApplication
* detect the correct layout direction used for the language
* of the current locale. For example, in case of Arabic or
* Hebrew right-to-left layout is used.
*/
void insertDirectionTrToQCoreApp();
QLocale createQLocale(MLocale::Category catetory) const;
void setCategoryLocale(MLocale *mlocale, MLocale::Category category,
const QString &localeName);
#ifdef HAVE_ICU
/*!
* \brief tries to truncate a locale name to search for fallbacks
* \param a pointer to a QString containing an ICU locale name
*
* When searching for ICU resource bundles or when trying to
* get ICU resource strings by keys it is sometimes necessary
* to use fallbacks, i.e. when nothing is found for the
* locale name “en_US”, try “en” as well. This function
* tries to truncate the locale name given as the parameter to
* the next fallback to try. If truncating was possible and
* the function returns true. If no further truncating is
* possible it returns false and the locale name given
* as the parameter is left unchanged. I.e. if false is returned
* there are no fallbacks left to try.
*/
bool truncateLocaleName(QString *localeName) const;
// creates an icu::Locale for specific category
icu::Locale getCategoryLocale(MLocale::Category category) const;
static icu::DateFormatSymbols *createDateFormatSymbols(const icu::Locale &locale);
// checks if an ICU format string is a twelve hour format string or not
bool isTwelveHours(const QString &icuFormatQString) const;
// converts an ICU date format to 24 hour clock
void dateFormatTo24h(icu::DateFormat *df) const;
// converts an ICU date format to 12 hour clock
void dateFormatTo12h(icu::DateFormat *df) const;
/*!
* \brief returns ICU date and time format string of the current locale
* \param dateType style of date formatting
* \param timeType style of time formatting
* \param calendarType calendar to use for formatting
* \param timeFormat24h enum to choose 12 hour or 24 hour or default time format
*/
QString icuFormatString(MLocale::DateType dateType,
MLocale::TimeType timeType,
MLocale::CalendarType calendarType,
MLocale::TimeFormat24h timeFormat24h) const;
// creates a dateformat object for datetime formatting/parsing
// the caller is responsible for deleting the dateformat object
icu::DateFormat *createDateFormat(MLocale::DateType dateType,
MLocale::TimeType timeType,
MLocale::CalendarType calendarType,
MLocale::TimeFormat24h timeFormat24h) const;
#endif
// these return the requested part of a locale string,
// e.g. parseLanguage("fi_FI") -> "fi"
static QString parseLanguage(const QString &localeString);
static QString parseCountry(const QString &localeString);
static QString parseScript(const QString &localeString);
static QString parseVariant(const QString &localeString);
QString formatPhoneNumber( const QString& phoneNumber,
MLocale::PhoneNumberGrouping grouping ) const;
bool isValidCountryCode( const QString& code ) const;
bool _valid;
// the default locale is used for messages and other categories if not
// overridden
QString _defaultLocale;
QString _messageLocale;
QString _numericLocale;
QString _collationLocale;
QString _calendarLocale;
QString _monetaryLocale;
QString _nameLocale;
QString _telephoneLocale;
// the list of valid country codes for the formatPhoneNumber function
QSet<QString> _validCountryCodes;
// the used calendar and collation may be overridden
MLocale::CalendarType _calendarType;
MLocale::Collation _collation;
MLocale::TimeFormat24h _timeFormat24h;
// add currency?
MLocale::PhoneNumberGrouping _phoneNumberGrouping;
#ifdef HAVE_ICU
// number format caching for better performance.
icu::NumberFormat *_numberFormat;
icu::NumberFormat *_numberFormatLcTime;
#endif
// translations for two supported translation categories
CatalogList _messageTranslations;
CatalogList _timeTranslations;
// tr translations are kept separate because they have to be loaded when inserted
// into QCoreApplication
CatalogList _trTranslations;
static QStringList dataPaths;
static QStringList translationPaths;
#ifdef HAVE_GCONF
MGConfItem currentLanguageItem;
MGConfItem currentLcTimeItem;
MGConfItem currentLcTimeFormat24hItem;
MGConfItem currentLcCollateItem;
MGConfItem currentLcNumericItem;
MGConfItem currentLcMonetaryItem;
MGConfItem currentLcTelephoneItem;
#endif
MLocale *q_ptr;
};
#endif
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