ICU-59180.0.1.tar.gz

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

diff --git a/icuSources/i18n/unicode/rbnf.h b/icuSources/i18n/unicode/rbnf.h
index 8d619862f2aa990da8ea339d98bc832bbe2627e1..5f9510f3db4ea7da2660ad2ac8d18b50ea4440dd 100644 (file)
--- a/icuSources/i18n/unicode/rbnf.h
+++ b/icuSources/i18n/unicode/rbnf.h
@@ -1,3 +1,5 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
 * Copyright (C) 1997-2015, International Business Machines Corporation and others.
@@ -36,6 +38,7 @@
 #include "unicode/brkiter.h"
 #include "unicode/upluralrules.h"
 
+#if U_SHOW_CPLUSPLUS_API
 U_NAMESPACE_BEGIN
 
 class NFRule;
@@ -54,7 +57,13 @@ enum URBNFRuleSetTag {
     URBNF_ORDINAL,
     URBNF_DURATION,
     URBNF_NUMBERING_SYSTEM,
+#ifndef U_HIDE_DEPRECATED_API
+    /**
+     * One more than the highest normal URBNFRuleSetTag value.
+     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
+     */
     URBNF_COUNT
+#endif  // U_HIDE_DEPRECATED_API
 };
 
 /**
@@ -858,6 +867,52 @@ public:
                                 FieldPosition& pos,
                                 UErrorCode& status) const;
 
+protected:
+    /**
+     * Format a decimal number.
+     * The number is a DigitList wrapper onto a floating point decimal number.
+     * The default implementation in NumberFormat converts the decimal number
+     * to a double and formats that.  Subclasses of NumberFormat that want
+     * to specifically handle big decimal numbers must override this method.
+     * class DecimalFormat does so.
+     *
+     * @param number    The number, a DigitList format Decimal Floating Point.
+     * @param appendTo  Output parameter to receive result.
+     *                  Result is appended to existing contents.
+     * @param posIter   On return, can be used to iterate over positions
+     *                  of fields generated by this format call.
+     * @param status    Output param filled with success/failure status.
+     * @return          Reference to 'appendTo' parameter.
+     * @internal
+     */
+    virtual UnicodeString& format(const DigitList &number,
+                                  UnicodeString& appendTo,
+                                  FieldPositionIterator* posIter,
+                                  UErrorCode& status) const;
+
+    /**
+     * Format a decimal number.
+     * The number is a DigitList wrapper onto a floating point decimal number.
+     * The default implementation in NumberFormat converts the decimal number
+     * to a double and formats that.  Subclasses of NumberFormat that want
+     * to specifically handle big decimal numbers must override this method.
+     * class DecimalFormat does so.
+     *
+     * @param number    The number, a DigitList format Decimal Floating Point.
+     * @param appendTo  Output parameter to receive result.
+     *                  Result is appended to existing contents.
+     * @param pos       On input: an alignment field, if desired.
+     *                  On output: the offsets of the alignment field.
+     * @param status    Output param filled with success/failure status.
+     * @return          Reference to 'appendTo' parameter.
+     * @internal
+     */
+    virtual UnicodeString& format(const DigitList &number,
+                                  UnicodeString& appendTo,
+                                  FieldPosition& pos,
+                                  UErrorCode& status) const;
+public:
+
   using NumberFormat::parse;
 
   /**
@@ -1023,7 +1078,8 @@ private:
     NFRule * initializeDefaultNaNRule(UErrorCode &status);
     const NFRule * getDefaultNaNRule() const;
     PluralFormat *createPluralFormat(UPluralType pluralType, const UnicodeString &pattern, UErrorCode& status) const;
-    UnicodeString& adjustForCapitalizationContext(int32_t startPos, UnicodeString& currentResult) const;
+    UnicodeString& adjustForCapitalizationContext(int32_t startPos, UnicodeString& currentResult, UErrorCode& status) const;
+    UnicodeString& format(int64_t number, NFRuleSet *ruleSet, UnicodeString& toAppendTo, UErrorCode& status) const;
 
 private:
     NFRuleSet **ruleSets;
@@ -1062,6 +1118,7 @@ RuleBasedNumberFormat::getDefaultRuleSet() const {
 }
 
 U_NAMESPACE_END
+#endif // U_SHOW_CPLUSPLUS_API
 
 /* U_HAVE_RBNF */
 #endif