307 lines
10 KiB
C++
307 lines
10 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2010-2016, International Business Machines Corporation and
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* others. All Rights Reserved.
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*******************************************************************************
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*/
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#ifndef __ULDNAMES_H__
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#define __ULDNAMES_H__
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/**
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* \file
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* \brief C API: Provides display names of Locale ids and their components.
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*/
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#include "unicode/utypes.h"
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#include "unicode/uscript.h"
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#include "unicode/udisplaycontext.h"
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#if U_SHOW_CPLUSPLUS_API
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#include "unicode/localpointer.h"
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#endif // U_SHOW_CPLUSPLUS_API
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/**
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* Enum used in LocaleDisplayNames::createInstance.
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* @stable ICU 4.4
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*/
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typedef enum {
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/**
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* Use standard names when generating a locale name,
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* e.g. en_GB displays as 'English (United Kingdom)'.
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* @stable ICU 4.4
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*/
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ULDN_STANDARD_NAMES = 0,
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/**
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* Use dialect names, when generating a locale name,
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* e.g. en_GB displays as 'British English'.
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* @stable ICU 4.4
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*/
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ULDN_DIALECT_NAMES
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} UDialectHandling;
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/**
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* Opaque C service object type for the locale display names API
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* @stable ICU 4.4
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*/
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struct ULocaleDisplayNames;
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/**
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* C typedef for struct ULocaleDisplayNames.
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* @stable ICU 4.4
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*/
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typedef struct ULocaleDisplayNames ULocaleDisplayNames;
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#if !UCONFIG_NO_FORMATTING
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/**
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* Returns an instance of LocaleDisplayNames that returns names
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* formatted for the provided locale, using the provided
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* dialectHandling. The usual value for dialectHandling is
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* ULOC_STANDARD_NAMES.
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*
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* @param locale the display locale
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* @param dialectHandling how to select names for locales
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* @return a ULocaleDisplayNames instance
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* @param pErrorCode the status code
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* @stable ICU 4.4
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*/
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U_CAPI ULocaleDisplayNames * U_EXPORT2
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uldn_open(const char * locale,
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UDialectHandling dialectHandling,
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UErrorCode *pErrorCode);
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/**
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* Closes a ULocaleDisplayNames instance obtained from uldn_open().
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* @param ldn the ULocaleDisplayNames instance to be closed
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* @stable ICU 4.4
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*/
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U_CAPI void U_EXPORT2
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uldn_close(ULocaleDisplayNames *ldn);
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#if U_SHOW_CPLUSPLUS_API
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U_NAMESPACE_BEGIN
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/**
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* \class LocalULocaleDisplayNamesPointer
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* "Smart pointer" class, closes a ULocaleDisplayNames via uldn_close().
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* For most methods see the LocalPointerBase base class.
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*
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* @see LocalPointerBase
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* @see LocalPointer
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* @stable ICU 4.4
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*/
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U_DEFINE_LOCAL_OPEN_POINTER(LocalULocaleDisplayNamesPointer, ULocaleDisplayNames, uldn_close);
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U_NAMESPACE_END
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#endif
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/* getters for state */
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/**
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* Returns the locale used to determine the display names. This is
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* not necessarily the same locale passed to {@link #uldn_open}.
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* @param ldn the LocaleDisplayNames instance
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* @return the display locale
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* @stable ICU 4.4
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*/
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U_CAPI const char * U_EXPORT2
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uldn_getLocale(const ULocaleDisplayNames *ldn);
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/**
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* Returns the dialect handling used in the display names.
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* @param ldn the LocaleDisplayNames instance
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* @return the dialect handling enum
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* @stable ICU 4.4
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*/
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U_CAPI UDialectHandling U_EXPORT2
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uldn_getDialectHandling(const ULocaleDisplayNames *ldn);
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/* names for entire locales */
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/**
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* Returns the display name of the provided locale.
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* @param ldn the LocaleDisplayNames instance
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* @param locale the locale whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_localeDisplayName(const ULocaleDisplayNames *ldn,
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const char *locale,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/* names for components of a locale */
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/**
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* Returns the display name of the provided language code.
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* @param ldn the LocaleDisplayNames instance
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* @param lang the language code whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_languageDisplayName(const ULocaleDisplayNames *ldn,
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const char *lang,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided script.
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* @param ldn the LocaleDisplayNames instance
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* @param script the script whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_scriptDisplayName(const ULocaleDisplayNames *ldn,
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const char *script,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided script code.
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* @param ldn the LocaleDisplayNames instance
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* @param scriptCode the script code whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_scriptCodeDisplayName(const ULocaleDisplayNames *ldn,
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UScriptCode scriptCode,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided region code.
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* @param ldn the LocaleDisplayNames instance
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* @param region the region code whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_regionDisplayName(const ULocaleDisplayNames *ldn,
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const char *region,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided variant
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* @param ldn the LocaleDisplayNames instance
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* @param variant the variant whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_variantDisplayName(const ULocaleDisplayNames *ldn,
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const char *variant,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided locale key
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* @param ldn the LocaleDisplayNames instance
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* @param key the locale key whose display name to return
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_keyDisplayName(const ULocaleDisplayNames *ldn,
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const char *key,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns the display name of the provided value (used with the provided key).
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* @param ldn the LocaleDisplayNames instance
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* @param key the locale key
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* @param value the locale key's value
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* @param result receives the display name
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* @param maxResultSize the size of the result buffer
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* @param pErrorCode the status code
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* @return the actual buffer size needed for the display name. If it's
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* greater than maxResultSize, the returned name will be truncated.
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* @stable ICU 4.4
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*/
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U_CAPI int32_t U_EXPORT2
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uldn_keyValueDisplayName(const ULocaleDisplayNames *ldn,
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const char *key,
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const char *value,
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UChar *result,
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int32_t maxResultSize,
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UErrorCode *pErrorCode);
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/**
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* Returns an instance of LocaleDisplayNames that returns names formatted
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* for the provided locale, using the provided UDisplayContext settings.
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*
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* @param locale The display locale
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* @param contexts List of one or more context settings (e.g. for dialect
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* handling, capitalization, etc.
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* @param length Number of items in the contexts list
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* @param pErrorCode Pointer to UErrorCode input/output status. If at entry this indicates
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* a failure status, the function will do nothing; otherwise this will be
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* updated with any new status from the function.
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* @return a ULocaleDisplayNames instance
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* @stable ICU 51
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*/
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U_CAPI ULocaleDisplayNames * U_EXPORT2
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uldn_openForContext(const char * locale, UDisplayContext *contexts,
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int32_t length, UErrorCode *pErrorCode);
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/**
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* Returns the UDisplayContext value for the specified UDisplayContextType.
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* @param ldn the ULocaleDisplayNames instance
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* @param type the UDisplayContextType whose value to return
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* @param pErrorCode Pointer to UErrorCode input/output status. If at entry this indicates
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* a failure status, the function will do nothing; otherwise this will be
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* updated with any new status from the function.
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* @return the UDisplayContextValue for the specified type.
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* @stable ICU 51
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*/
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U_CAPI UDisplayContext U_EXPORT2
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uldn_getContext(const ULocaleDisplayNames *ldn, UDisplayContextType type,
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UErrorCode *pErrorCode);
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#endif /* !UCONFIG_NO_FORMATTING */
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#endif /* __ULDNAMES_H__ */
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