From 51c435ce069a71f108dc4db41f3c19de5fb50d0f Mon Sep 17 00:00:00 2001
From: Alan Liu <alansliu@gmail.com>
Date: Wed, 15 May 2002 18:52:20 +0000
Subject: [PATCH] ICU-1097 change API to C

X-SVN-Rev: 8633
---
 icu4c/source/i18n/unicode/currency.h    | 114 +++++++++++++++---------
 icu4c/source/test/intltest/numfmtst.cpp |   2 +-
 2 files changed, 72 insertions(+), 44 deletions(-)

diff --git a/icu4c/source/i18n/unicode/currency.h b/icu4c/source/i18n/unicode/currency.h
index 597ec5a810..4c0d7dbf78 100644
--- a/icu4c/source/i18n/unicode/currency.h
+++ b/icu4c/source/i18n/unicode/currency.h
@@ -4,22 +4,18 @@
 * Corporation and others.  All Rights Reserved.
 **********************************************************************
 * $Source: /xsrl/Nsvn/icu/icu/source/i18n/unicode/Attic/currency.h,v $ 
-* $Revision: 1.3 $
+* $Revision: 1.4 $
 **********************************************************************
 */
 #ifndef UCURRENCY_H
 #define UCURRENCY_H
 
-#include "unicode/unistr.h"
-
-U_NAMESPACE_BEGIN
-
-class Locale;
+#include "unicode/utypes.h"
 
 /**
- * A class encapsulating information about a currency, as defined by
+ * The ucurr API encapsulates information about a currency, as defined by
  * ISO 4217.  A currency is represented by a 3-character string
- * containing its ISO 4217 code.  This class can return various data
+ * containing its ISO 4217 code.  This API can return various data
  * necessary the proper display of a currency:
  *
  * <ul><li>A display symbol, for a specific locale
@@ -32,46 +28,78 @@ class Locale;
  * @author Alan Liu
  * @since ICU 2.2
  */
-class U_I18N_API UCurrency {
 
- public:
+/**
+ * Returns a currency code for the default currency in the given
+ * locale.
+ * @param locale the locale for which to retrieve a currency code
+ * @param result pointer to a buffer of at least 4 chars
+ * to receive a null-terminated 3-letter ISO 4217 code
+ * @param ec error code
+ */
+U_CAPI void U_EXPORT2
+ucurr_forLocale(const char* locale,
+                char*       result,
+                UErrorCode* ec);
 
-    /**
-     * Returns a currency code for the default currency in the given
-     * locale.
-     * @param locale the locale for which to retrieve a currency code
-     * @param result pointer to a buffer of at least 4 chars
-     * to receive a null-terminated 3-letter ISO 4217 code
-     * @param ec error code
-     */
-    static void forLocale(const Locale& locale,
-                          char* result,
-                          UErrorCode& ec);
+/**
+ * Returns the display string for the given currency in the
+ * given locale.  For example, the display string for the USD
+ * currency object in the en_US locale is "$".
+ * @param currency null-terminated 3-letter ISO 4217 code
+ * @param result pointer to result buffer, or NULL
+ * @param resultCapacity size of result buffer
+ * @param locale locale in which to display currency
+ * @param ec error code
+ * @return size of result, possibly larger than resultCapacity
+ */
+U_CAPI int32_t U_EXPORT2
+ucurr_getSymbol(const char* currency,
+                UChar*      result,
+                int32_t     resultCapacity,
+                const char* locale,
+                UErrorCode* ec);
 
-    /**
-     * Returns the display string for the given currency in the
-     * given locale.  For example, the display string for the USD
-     * currency object in the en_US locale is "$".
-     */
-    static UnicodeString getSymbol(const char* currency,
-                                   const Locale& locale);
+/**
+ * Returns the number of the number of fraction digits that should
+ * be displayed for the given currency.
+ * @return a non-negative number of fraction digits to be
+ * displayed
+ */
+U_CAPI int32_t U_EXPORT2
+ucurr_getDefaultFractionDigits(const char* currency);
 
-    /**
-     * Returns the number of the number of fraction digits that should
-     * be displayed for the given currency.
-     * @return a non-negative number of fraction digits to be
-     * displayed
-     */
-    static int32_t getDefaultFractionDigits(const char* currency);
+/**
+ * Returns the rounding increment for the given currency, or 0.0 if no
+ * rounding is done by the currency.
+ * @return the non-negative rounding increment, or 0.0 if none
+ */
+U_CAPI double U_EXPORT2
+ucurr_getRoundingIncrement(const char* currency);
 
-    /**
-     * Returns the rounding increment for the given currency, or 0.0 if no
-     * rounding is done by the currency.
-     * @return the non-negative rounding increment, or 0.0 if none
-     */
-    static double getRoundingIncrement(const char* currency);
-};
 
-U_NAMESPACE_END
+/*------------------------------------------------------------------*/
+/* Internal API.  Do not use.  Will change without notice.          */
+
+#ifdef XP_CPLUSPLUS
+
+  #include "unicode/unistr.h"
+
+  U_NAMESPACE_BEGIN
+
+  class Locale;
+
+  /**
+   * Do not use; for ICU internal use only.  This is a C++ function
+   * even though it's named like a C function.
+   *
+   * @internal
+   */
+  UnicodeString ucurr_getSymbolAsUnicodeString(const char* currency,
+                                               const Locale& locale);
+
+  U_NAMESPACE_END
+
+#endif
 
 #endif
diff --git a/icu4c/source/test/intltest/numfmtst.cpp b/icu4c/source/test/intltest/numfmtst.cpp
index 0eceb84910..151a84fe3c 100644
--- a/icu4c/source/test/intltest/numfmtst.cpp
+++ b/icu4c/source/test/intltest/numfmtst.cpp
@@ -496,7 +496,7 @@ void NumberFormatTest::expectCurrency(NumberFormat& nf, const Locale& locale,
     DecimalFormat& fmt = * (DecimalFormat*) &nf;
     char curr[4] = {'-','-','-',0};
     if (*locale.getLanguage() != 0) {
-        UCurrency::forLocale(locale, curr, ec);
+        ucurr_forLocale(locale.getName(), curr, &ec);
         if (U_FAILURE(ec)) {
             errln("FAIL: UCurrency::forLocale");
             return;