ICU-59180.0.1.tar.gz

[apple/icu.git] / icuSources / i18n / unicode / upluralrules.h

diff --git a/icuSources/i18n/unicode/upluralrules.h b/icuSources/i18n/unicode/upluralrules.h
index 7409c6c692f000b7db6e2a83c7f5bc2eb93ebf92..4d75344425fcbe9e1e033490395a66164f45841e 100644 (file)
--- a/icuSources/i18n/unicode/upluralrules.h
+++ b/icuSources/i18n/unicode/upluralrules.h
@@ -1,3 +1,5 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *****************************************************************************************
 * Copyright (C) 2010-2013, International Business Machines
@@ -13,6 +15,10 @@
 #if !UCONFIG_NO_FORMATTING
 
 #include "unicode/localpointer.h"
+#include "unicode/uenum.h"
+#ifndef U_HIDE_INTERNAL_API
+#include "unicode/unum.h"
+#endif  /* U_HIDE_INTERNAL_API */
 
 /**
  * \file
@@ -37,33 +43,33 @@
  * http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html
  */
 
-#ifndef U_HIDE_DRAFT_API
 /**
  * Type of plurals and PluralRules.
- * @draft ICU 50
+ * @stable ICU 50
  */
 enum UPluralType {
     /**
      * Plural rules for cardinal numbers: 1 file vs. 2 files.
-     * @draft ICU 50
+     * @stable ICU 50
      */
     UPLURAL_TYPE_CARDINAL,
     /**
      * Plural rules for ordinal numbers: 1st file, 2nd file, 3rd file, 4th file, etc.
-     * @draft ICU 50
+     * @stable ICU 50
      */
     UPLURAL_TYPE_ORDINAL,
+#ifndef U_HIDE_DEPRECATED_API
     /**
-     * Number of Plural rules types.
-     * @draft ICU 50
+     * One more than the highest normal UPluralType value.
+     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
      */
     UPLURAL_TYPE_COUNT
+#endif  /* U_HIDE_DEPRECATED_API */
 };
 /**
- * @draft ICU 50
+ * @stable ICU 50
  */
 typedef enum UPluralType UPluralType;
-#endif /* U_HIDE_DRAFT_API */
 
 /**
  * Opaque UPluralRules object for use in C programs.
@@ -81,10 +87,9 @@ typedef struct UPluralRules UPluralRules;  /**< C typedef for struct UPluralRule
  * @return A UPluralRules for the specified locale, or NULL if an error occurred.
  * @stable ICU 4.8
  */
-U_STABLE UPluralRules* U_EXPORT2
+U_CAPI UPluralRules* U_EXPORT2
 uplrules_open(const char *locale, UErrorCode *status);
 
-#ifndef U_HIDE_DRAFT_API
 /**
  * Opens a new UPluralRules object using the predefined plural rules for a
  * given locale and the plural type.
@@ -92,18 +97,17 @@ uplrules_open(const char *locale, UErrorCode *status);
  * @param type The plural type (e.g., cardinal or ordinal).
  * @param status A pointer to a UErrorCode to receive any errors.
  * @return A UPluralRules for the specified locale, or NULL if an error occurred.
- * @draft ICU 50
+ * @stable ICU 50
  */
-U_DRAFT UPluralRules* U_EXPORT2
+U_CAPI UPluralRules* U_EXPORT2
 uplrules_openForType(const char *locale, UPluralType type, UErrorCode *status);
-#endif /* U_HIDE_DRAFT_API */
 
 /**
  * Closes a UPluralRules object. Once closed it may no longer be used.
  * @param uplrules The UPluralRules object to close.
  * @stable ICU 4.8
  */
-U_STABLE void U_EXPORT2
+U_CAPI void U_EXPORT2
 uplrules_close(UPluralRules *uplrules);
 
 
@@ -124,7 +128,7 @@ U_DEFINE_LOCAL_OPEN_POINTER(LocalUPluralRulesPointer, UPluralRules, uplrules_clo
 
 U_NAMESPACE_END
 
-#endif
+#endif // U_SHOW_CPLUSPLUS_API
 
 
 /**
@@ -138,12 +142,55 @@ U_NAMESPACE_END
  * @return The length of keyword.
  * @stable ICU 4.8
  */
-U_STABLE int32_t U_EXPORT2
+U_CAPI int32_t U_EXPORT2
 uplrules_select(const UPluralRules *uplrules,
                double number,
                UChar *keyword, int32_t capacity,
                UErrorCode *status);
 
+#ifndef U_HIDE_INTERNAL_API
+/**
+ * Given a number, returns the keyword of the first rule that applies to the
+ * number, according to the UPluralRules object and given the number format
+ * specified by the UNumberFormat object.
+ * Note: This internal preview interface may be removed in the future if
+ * an architecturally cleaner solution reaches stable status.
+ * @param uplrules The UPluralRules object specifying the rules.
+ * @param number The number for which the rule has to be determined.
+ * @param fmt The UNumberFormat specifying how the number will be formatted
+ *        (this can affect the plural form, e.g. "1 dollar" vs "1.0 dollars").
+ *        If this is NULL, the function behaves like uplrules_select.
+ * @param keyword The keyword of the rule that applies to number.
+ * @param capacity The capacity of the keyword buffer.
+ * @param status A pointer to a UErrorCode to receive any errors.
+ * @return The length of keyword.
+ * @internal ICU 59 technology preview, may be removed in the future
+ */
+U_INTERNAL int32_t U_EXPORT2
+uplrules_selectWithFormat(const UPluralRules *uplrules,
+                          double number,
+                          const UNumberFormat *fmt,
+                          UChar *keyword, int32_t capacity,
+                          UErrorCode *status);
+
+#endif  /* U_HIDE_INTERNAL_API */
+
+#ifndef U_HIDE_DRAFT_API
+/**
+ * Creates a string enumeration of all plural rule keywords used in this
+ * UPluralRules object. The rule "other" is always present by default.
+ * @param uplrules The UPluralRules object specifying the rules for
+ *        a given locale.
+ * @param status A pointer to a UErrorCode to receive any errors.
+ * @return a string enumeration over plural rule keywords, or NULL
+ * upon error. The caller is responsible for closing the result.
+ * @draft ICU 59
+ */
+U_DRAFT UEnumeration* U_EXPORT2
+uplrules_getKeywords(const UPluralRules *uplrules,
+                     UErrorCode *status);
+#endif  /* U_HIDE_DRAFT_API */
+
 #endif /* #if !UCONFIG_NO_FORMATTING */
 
 #endif