Check in the pristine copy of ICU 4.6...

icu46/source/i18n/unicode/uldnames.h

+/*
+*******************************************************************************
+*   Copyright (C) 2010, 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"
+
+/**
+ * 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);
+
+
+#endif  /* !UCONFIG_NO_FORMATTING */
+#endif  /* __ULDNAMES_H__ */