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+/*
+ *******************************************************************************
+ * Copyright (C) 2009-2015, International Business Machines Corporation and *
+ * others. All Rights Reserved. *
+ *******************************************************************************
+ */
+#ifndef CURRPINF_H
+#define CURRPINF_H
+
+#include "unicode/utypes.h"
+
+/**
+ * \file
+ * \brief C++ API: Currency Plural Information used by Decimal Format
+ */
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/unistr.h"
+
+U_NAMESPACE_BEGIN
+
+class Locale;
+class PluralRules;
+class Hashtable;
+
+/**
+ * This class represents the information needed by
+ * DecimalFormat to format currency plural,
+ * such as "3.00 US dollars" or "1.00 US dollar".
+ * DecimalFormat creates for itself an instance of
+ * CurrencyPluralInfo from its locale data.
+ * If you need to change any of these symbols, you can get the
+ * CurrencyPluralInfo object from your
+ * DecimalFormat and modify it.
+ *
+ * Following are the information needed for currency plural format and parse:
+ * locale information,
+ * plural rule of the locale,
+ * currency plural pattern of the locale.
+ *
+ * @stable ICU 4.2
+ */
+class U_I18N_API CurrencyPluralInfo : public UObject {
+public:
+
+ /**
+ * Create a CurrencyPluralInfo object for the default locale.
+ * @param status output param set to success/failure code on exit
+ * @stable ICU 4.2
+ */
+ CurrencyPluralInfo(UErrorCode& status);
+
+ /**
+ * Create a CurrencyPluralInfo object for the given locale.
+ * @param locale the locale
+ * @param status output param set to success/failure code on exit
+ * @stable ICU 4.2
+ */
+ CurrencyPluralInfo(const Locale& locale, UErrorCode& status);
+
+ /**
+ * Copy constructor
+ *
+ * @stable ICU 4.2
+ */
+ CurrencyPluralInfo(const CurrencyPluralInfo& info);
+
+
+ /**
+ * Assignment operator
+ *
+ * @stable ICU 4.2
+ */
+ CurrencyPluralInfo& operator=(const CurrencyPluralInfo& info);
+
+
+ /**
+ * Destructor
+ *
+ * @stable ICU 4.2
+ */
+ virtual ~CurrencyPluralInfo();
+
+
+ /**
+ * Equal operator.
+ *
+ * @stable ICU 4.2
+ */
+ UBool operator==(const CurrencyPluralInfo& info) const;
+
+
+ /**
+ * Not equal operator
+ *
+ * @stable ICU 4.2
+ */
+ UBool operator!=(const CurrencyPluralInfo& info) const;
+
+
+ /**
+ * Clone
+ *
+ * @stable ICU 4.2
+ */
+ CurrencyPluralInfo* clone() const;
+
+
+ /**
+ * Gets plural rules of this locale, used for currency plural format
+ *
+ * @return plural rule
+ * @stable ICU 4.2
+ */
+ const PluralRules* getPluralRules() const;
+
+ /**
+ * Given a plural count, gets currency plural pattern of this locale,
+ * used for currency plural format
+ *
+ * @param pluralCount currency plural count
+ * @param result output param to receive the pattern
+ * @return a currency plural pattern based on plural count
+ * @stable ICU 4.2
+ */
+ UnicodeString& getCurrencyPluralPattern(const UnicodeString& pluralCount,
+ UnicodeString& result) const;
+
+ /**
+ * Get locale
+ *
+ * @return locale
+ * @stable ICU 4.2
+ */
+ const Locale& getLocale() const;
+
+ /**
+ * Set plural rules.
+ * The plural rule is set when CurrencyPluralInfo
+ * instance is created.
+ * You can call this method to reset plural rules only if you want
+ * to modify the default plural rule of the locale.
+ *
+ * @param ruleDescription new plural rule description
+ * @param status output param set to success/failure code on exit
+ * @stable ICU 4.2
+ */
+ void setPluralRules(const UnicodeString& ruleDescription,
+ UErrorCode& status);
+
+ /**
+ * Set currency plural pattern.
+ * The currency plural pattern is set when CurrencyPluralInfo
+ * instance is created.
+ * You can call this method to reset currency plural pattern only if
+ * you want to modify the default currency plural pattern of the locale.
+ *
+ * @param pluralCount the plural count for which the currency pattern will
+ * be overridden.
+ * @param pattern the new currency plural pattern
+ * @param status output param set to success/failure code on exit
+ * @stable ICU 4.2
+ */
+ void setCurrencyPluralPattern(const UnicodeString& pluralCount,
+ const UnicodeString& pattern,
+ UErrorCode& status);
+
+ /**
+ * Set locale
+ *
+ * @param loc the new locale to set
+ * @param status output param set to success/failure code on exit
+ * @stable ICU 4.2
+ */
+ void setLocale(const Locale& loc, UErrorCode& status);
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for the actual class.
+ *
+ * @stable ICU 4.2
+ */
+ virtual UClassID getDynamicClassID() const;
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for this class.
+ *
+ * @stable ICU 4.2
+ */
+ static UClassID U_EXPORT2 getStaticClassID();
+
+private:
+ friend class DecimalFormat;
+ friend class DecimalFormatImpl;
+
+ void initialize(const Locale& loc, UErrorCode& status);
+
+ void setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status);
+
+ /*
+ * delete hash table
+ *
+ * @param hTable hash table to be deleted
+ */
+ void deleteHash(Hashtable* hTable);
+
+
+ /*
+ * initialize hash table
+ *
+ * @param status output param set to success/failure code on exit
+ * @return hash table initialized
+ */
+ Hashtable* initHash(UErrorCode& status);
+
+
+
+ /**
+ * copy hash table
+ *
+ * @param source the source to copy from
+ * @param target the target to copy to
+ * @param status error code
+ */
+ void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
+
+ //-------------------- private data member ---------------------
+ // map from plural count to currency plural pattern, for example
+ // a plural pattern defined in "CurrencyUnitPatterns" is
+ // "one{{0} {1}}", in which "one" is a plural count
+ // and "{0} {1}" is a currency plural pattern".
+ // The currency plural pattern saved in this mapping is the pattern
+ // defined in "CurrencyUnitPattern" by replacing
+ // {0} with the number format pattern,
+ // and {1} with 3 currency sign.
+ Hashtable* fPluralCountToCurrencyUnitPattern;
+
+ /*
+ * The plural rule is used to format currency plural name,
+ * for example: "3.00 US Dollars".
+ * If there are 3 currency signs in the currency patttern,
+ * the 3 currency signs will be replaced by currency plural name.
+ */
+ PluralRules* fPluralRules;
+
+ // locale
+ Locale* fLocale;
+};
+
+
+inline UBool
+CurrencyPluralInfo::operator!=(const CurrencyPluralInfo& info) const { return !operator==(info); }
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */
+
+#endif // _CURRPINFO
+//eof