// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
* Copyright (C) 2010-2016, International Business Machines Corporation and
* others. All Rights Reserved.
******************************************************************************
*/
#ifndef LOCDSPNM_H
#define LOCDSPNM_H
#include "unicode/utypes.h"
#if U_SHOW_CPLUSPLUS_API
/**
* \file
* \brief C++ API: Provides display names of Locale and its components.
*/
#if !UCONFIG_NO_FORMATTING
#include "unicode/locid.h"
#include "unicode/strenum.h"
#include "unicode/uscript.h"
#include "unicode/uldnames.h"
#include "unicode/udisplaycontext.h"
U_NAMESPACE_BEGIN
/**
* Returns display names of Locales and components of Locales. For
* more information on language, script, region, variant, key, and
* values, see Locale.
* @stable ICU 4.4
*/
class U_COMMON_API LocaleDisplayNames : public UObject {
public:
/**
* Destructor.
* @stable ICU 4.4
*/
virtual ~LocaleDisplayNames();
/**
* Convenience overload of
* {@link #createInstance(const Locale& locale, UDialectHandling dialectHandling)}
* that specifies STANDARD dialect handling.
* @param locale the display locale
* @return a LocaleDisplayNames instance
* @stable ICU 4.4
*/
inline static LocaleDisplayNames* U_EXPORT2 createInstance(const Locale& locale);
/**
* Returns an instance of LocaleDisplayNames that returns names
* formatted for the provided locale, using the provided
* dialectHandling.
*
* @param locale the display locale
* @param dialectHandling how to select names for locales
* @return a LocaleDisplayNames instance
* @stable ICU 4.4
*/
static LocaleDisplayNames* U_EXPORT2 createInstance(const Locale& locale,
UDialectHandling dialectHandling);
/**
* Returns an instance of LocaleDisplayNames that returns names formatted
* for the provided locale, using the provided UDisplayContext settings.
*
* @param locale the display locale
* @param contexts List of one or more context settings (e.g. for dialect
* handling, capitalization, etc.
* @param length Number of items in the contexts list
* @return a LocaleDisplayNames instance
* @stable ICU 51
*/
static LocaleDisplayNames* U_EXPORT2 createInstance(const Locale& locale,
UDisplayContext *contexts, int32_t length);
// getters for state
/**
* Returns the locale used to determine the display names. This is
* not necessarily the same locale passed to {@link #createInstance}.
* @return the display locale
* @stable ICU 4.4
*/
virtual const Locale& getLocale() const = 0;
/**
* Returns the dialect handling used in the display names.
* @return the dialect handling enum
* @stable ICU 4.4
*/
virtual UDialectHandling getDialectHandling() const = 0;
/**
* Returns the UDisplayContext value for the specified UDisplayContextType.
* @param type the UDisplayContextType whose value to return
* @return the UDisplayContext for the specified type.
* @stable ICU 51
*/
virtual UDisplayContext getContext(UDisplayContextType type) const = 0;
// names for entire locales
/**
* Returns the display name of the provided locale.
* @param locale the locale whose display name to return
* @param result receives the locale's display name
* @return the display name of the provided locale
* @stable ICU 4.4
*/
virtual UnicodeString& localeDisplayName(const Locale& locale,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided locale id.
* @param localeId the id of the locale whose display name to return
* @param result receives the locale's display name
* @return the display name of the provided locale
* @stable ICU 4.4
*/
virtual UnicodeString& localeDisplayName(const char* localeId,
UnicodeString& result) const = 0;
// names for components of a locale id
/**
* Returns the display name of the provided language code.
* @param lang the language code
* @param result receives the language code's display name
* @return the display name of the provided language code
* @stable ICU 4.4
*/
virtual UnicodeString& languageDisplayName(const char* lang,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided script code.
* @param script the script code
* @param result receives the script code's display name
* @return the display name of the provided script code
* @stable ICU 4.4
*/
virtual UnicodeString& scriptDisplayName(const char* script,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided script code.
* @param scriptCode the script code number
* @param result receives the script code's display name
* @return the display name of the provided script code
* @stable ICU 4.4
*/
virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided region code.
* @param region the region code
* @param result receives the region code's display name
* @return the display name of the provided region code
* @stable ICU 4.4
*/
virtual UnicodeString& regionDisplayName(const char* region,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided variant.
* @param variant the variant string
* @param result receives the variant's display name
* @return the display name of the provided variant
* @stable ICU 4.4
*/
virtual UnicodeString& variantDisplayName(const char* variant,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided locale key.
* @param key the locale key name
* @param result receives the locale key's display name
* @return the display name of the provided locale key
* @stable ICU 4.4
*/
virtual UnicodeString& keyDisplayName(const char* key,
UnicodeString& result) const = 0;
/**
* Returns the display name of the provided value (used with the provided key).
* @param key the locale key name
* @param value the locale key's value
* @param result receives the value's display name
* @return the display name of the provided value
* @stable ICU 4.4
*/
virtual UnicodeString& keyValueDisplayName(const char* key, const char* value,
UnicodeString& result) const = 0;
};
inline LocaleDisplayNames* LocaleDisplayNames::createInstance(const Locale& locale) {
return LocaleDisplayNames::createInstance(locale, ULDN_STANDARD_NAMES);
}
U_NAMESPACE_END
#endif
#endif /* U_SHOW_CPLUSPLUS_API */
#endif
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