84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/*
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**********************************************************************
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* Copyright (c) 2002, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* $Source: /xsrl/Nsvn/icu/icu/source/i18n/unicode/ucurr.h,v $
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* $Revision: 1.1 $
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**********************************************************************
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*/
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#ifndef _UCURR_H_
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#define _UCURR_H_
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#include "unicode/utypes.h"
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/**
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* The ucurr API encapsulates information about a currency, as defined by
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* ISO 4217. A currency is represented by a 3-character string
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* containing its ISO 4217 code. This API can return various data
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* necessary the proper display of a currency:
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*
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* <ul><li>A display symbol, for a specific locale
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* <li>The number of fraction digits to display
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* <li>A rounding increment
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* </ul>
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*
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* The <tt>DecimalFormat</tt> class uses these data to display
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* currencies.
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* @author Alan Liu
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* @since ICU 2.2
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*/
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/**
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* Returns a currency code for the default currency in the given
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* locale.
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* @param locale the locale for which to retrieve a currency code
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* @param ec error code
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* @return a pointer to a 3-character ISO 4217 currency code, or
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* NULL if none is found. The result string may NOT be null
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* terminated.
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*/
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U_CAPI const UChar* U_EXPORT2
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ucurr_forLocale(const char* locale,
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UErrorCode* ec);
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/**
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* Returns the display string for the given currency in the
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* given locale. For example, the display string for the USD
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* currency object in the en_US locale is "$".
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* @param currency null-terminated 3-letter ISO 4217 code
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* @param locale locale in which to display currency
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* @param len fill-in parameter to receive length of result
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* @param ec error code
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* @return pointer to display string of 'len' UChars. If the
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* resource data contains no entry for 'currency', then
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* 'currency' itself is returned. The result string may NOT be
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* null terminated.
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*/
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U_CAPI const UChar* U_EXPORT2
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ucurr_getSymbol(const UChar* currency,
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const char* locale,
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int32_t* len,
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UErrorCode* ec);
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/**
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* Returns the number of the number of fraction digits that should
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* be displayed for the given currency.
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* @param currency null-terminated 3-letter ISO 4217 code
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* @return a non-negative number of fraction digits to be
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* displayed
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*/
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U_CAPI int32_t U_EXPORT2
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ucurr_getDefaultFractionDigits(const UChar* currency);
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/**
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* Returns the rounding increment for the given currency, or 0.0 if no
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* rounding is done by the currency.
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* @param currency null-terminated 3-letter ISO 4217 code
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* @return the non-negative rounding increment, or 0.0 if none
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*/
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U_CAPI double U_EXPORT2
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ucurr_getRoundingIncrement(const UChar* currency);
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#endif
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