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// © 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 __ULDNAMES_H__
#define __ULDNAMES_H__
/**
* \file
* \brief C API: Provides display names of Locale ids and their components.
*/
#include "unicode/utypes.h"
#include "unicode/localpointer.h"
#include "unicode/uscript.h"
#include "unicode/udisplaycontext.h"
/**
* Enum used in LocaleDisplayNames::createInstance.
* @stable ICU 4.4
*/
typedef enum {
/**
* Use standard names when generating a locale name,
* e.g. en_GB displays as 'English (United Kingdom)'.
* @stable ICU 4.4
*/
ULDN_STANDARD_NAMES = 0,
/**
* Use dialect names, when generating a locale name,
* e.g. en_GB displays as 'British English'.
* @stable ICU 4.4
*/
ULDN_DIALECT_NAMES
} UDialectHandling;
/**
* Opaque C service object type for the locale display names API
* @stable ICU 4.4
*/
struct ULocaleDisplayNames;
/**
* C typedef for struct ULocaleDisplayNames.
* @stable ICU 4.4
*/
typedef struct ULocaleDisplayNames ULocaleDisplayNames;
#if !UCONFIG_NO_FORMATTING
/**
* Returns an instance of LocaleDisplayNames that returns names
* formatted for the provided locale, using the provided
* dialectHandling. The usual value for dialectHandling is
* ULOC_STANDARD_NAMES.
*
* @param locale the display locale
* @param dialectHandling how to select names for locales
* @return a ULocaleDisplayNames instance
* @param pErrorCode the status code
* @stable ICU 4.4
*/
U_STABLE ULocaleDisplayNames * U_EXPORT2
uldn_open(const char * locale,
UDialectHandling dialectHandling,
UErrorCode *pErrorCode);
/**
* Closes a ULocaleDisplayNames instance obtained from uldn_open().
* @param ldn the ULocaleDisplayNames instance to be closed
* @stable ICU 4.4
*/
U_STABLE void U_EXPORT2
uldn_close(ULocaleDisplayNames *ldn);
#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN
/**
* \class LocalULocaleDisplayNamesPointer
* "Smart pointer" class, closes a ULocaleDisplayNames via uldn_close().
* For most methods see the LocalPointerBase base class.
*
* @see LocalPointerBase
* @see LocalPointer
* @stable ICU 4.4
*/
U_DEFINE_LOCAL_OPEN_POINTER(LocalULocaleDisplayNamesPointer, ULocaleDisplayNames, uldn_close);
U_NAMESPACE_END
#endif
/* getters for state */
/**
* Returns the locale used to determine the display names. This is
* not necessarily the same locale passed to {@link #uldn_open}.
* @param ldn the LocaleDisplayNames instance
* @return the display locale
* @stable ICU 4.4
*/
U_STABLE const char * U_EXPORT2
uldn_getLocale(const ULocaleDisplayNames *ldn);
/**
* Returns the dialect handling used in the display names.
* @param ldn the LocaleDisplayNames instance
* @return the dialect handling enum
* @stable ICU 4.4
*/
U_STABLE UDialectHandling U_EXPORT2
uldn_getDialectHandling(const ULocaleDisplayNames *ldn);
/* names for entire locales */
/**
* Returns the display name of the provided locale.
* @param ldn the LocaleDisplayNames instance
* @param locale the locale whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_localeDisplayName(const ULocaleDisplayNames *ldn,
const char *locale,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/* names for components of a locale */
/**
* Returns the display name of the provided language code.
* @param ldn the LocaleDisplayNames instance
* @param lang the language code whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_languageDisplayName(const ULocaleDisplayNames *ldn,
const char *lang,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided script.
* @param ldn the LocaleDisplayNames instance
* @param script the script whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_scriptDisplayName(const ULocaleDisplayNames *ldn,
const char *script,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided script code.
* @param ldn the LocaleDisplayNames instance
* @param scriptCode the script code whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_scriptCodeDisplayName(const ULocaleDisplayNames *ldn,
UScriptCode scriptCode,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided region code.
* @param ldn the LocaleDisplayNames instance
* @param region the region code whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_regionDisplayName(const ULocaleDisplayNames *ldn,
const char *region,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided variant
* @param ldn the LocaleDisplayNames instance
* @param variant the variant whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_variantDisplayName(const ULocaleDisplayNames *ldn,
const char *variant,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided locale key
* @param ldn the LocaleDisplayNames instance
* @param key the locale key whose display name to return
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_keyDisplayName(const ULocaleDisplayNames *ldn,
const char *key,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* Returns the display name of the provided value (used with the provided key).
* @param ldn the LocaleDisplayNames instance
* @param key the locale key
* @param value the locale key's value
* @param result receives the display name
* @param maxResultSize the size of the result buffer
* @param pErrorCode the status code
* @return the actual buffer size needed for the display name. If it's
* greater than maxResultSize, the returned name will be truncated.
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
uldn_keyValueDisplayName(const ULocaleDisplayNames *ldn,
const char *key,
const char *value,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode);
/**
* 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
* @param pErrorCode Pointer to UErrorCode input/output status. If at entry this indicates
* a failure status, the function will do nothing; otherwise this will be
* updated with any new status from the function.
* @return a ULocaleDisplayNames instance
* @stable ICU 51
*/
U_STABLE ULocaleDisplayNames * U_EXPORT2
uldn_openForContext(const char * locale, UDisplayContext *contexts,
int32_t length, UErrorCode *pErrorCode);
/**
* Returns the UDisplayContext value for the specified UDisplayContextType.
* @param ldn the ULocaleDisplayNames instance
* @param type the UDisplayContextType whose value to return
* @param pErrorCode Pointer to UErrorCode input/output status. If at entry this indicates
* a failure status, the function will do nothing; otherwise this will be
* updated with any new status from the function.
* @return the UDisplayContextValue for the specified type.
* @stable ICU 51
*/
U_STABLE UDisplayContext U_EXPORT2
uldn_getContext(const ULocaleDisplayNames *ldn, UDisplayContextType type,
UErrorCode *pErrorCode);
#endif /* !UCONFIG_NO_FORMATTING */
#endif /* __ULDNAMES_H__ */
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