Quelle uldnames.h
Sprache: C
// © 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/uscript.h"
#include "unicode/udisplaycontext.h"
#if U_SHOW_CPLUSPLUS_API
#include "unicode/localpointer.h"
#endif // U_SHOW_CPLUSPLUS_API
/**
* 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_CAPI 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_CAPI
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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI 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_CAPI UDisplayContext U_EXPORT2
uldn_getContext(const ULocaleDisplayNames *ldn, UDisplayContextType type,
UErrorCode *pErrorCode);
#endif /* !UCONFIG_NO_FORMATTING */
#endif /* __ULDNAMES_H__ */
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2026-08-25
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