120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
// © 2018 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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// This file is in common instead of i18n because it is needed by ucurr.cpp.
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#ifndef __STATIC_UNICODE_SETS_H__
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#define __STATIC_UNICODE_SETS_H__
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#include "unicode/uniset.h"
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#include "unicode/unistr.h"
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U_NAMESPACE_BEGIN
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namespace unisets {
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enum Key {
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// NONE is used to indicate null in chooseFrom().
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// EMPTY is used to get an empty UnicodeSet.
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NONE = -1,
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EMPTY = 0,
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// Ignorables
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DEFAULT_IGNORABLES,
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STRICT_IGNORABLES,
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// Separators
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// Notes:
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// - COMMA is a superset of STRICT_COMMA
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// - PERIOD is a superset of SCRICT_PERIOD
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// - ALL_SEPARATORS is the union of COMMA, PERIOD, and OTHER_GROUPING_SEPARATORS
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// - STRICT_ALL_SEPARATORS is the union of STRICT_COMMA, STRICT_PERIOD, and OTHER_GRP_SEPARATORS
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COMMA,
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PERIOD,
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STRICT_COMMA,
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STRICT_PERIOD,
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OTHER_GROUPING_SEPARATORS,
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ALL_SEPARATORS,
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STRICT_ALL_SEPARATORS,
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// Symbols
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MINUS_SIGN,
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PLUS_SIGN,
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PERCENT_SIGN,
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PERMILLE_SIGN,
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INFINITY_KEY, // INFINITY is defined in cmath
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// Currency Symbols
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DOLLAR_SIGN,
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POUND_SIGN,
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RUPEE_SIGN,
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YEN_SIGN, // not in CLDR data, but Currency.java wants it
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// Other
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DIGITS,
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// Combined Separators with Digits (for lead code points)
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DIGITS_OR_ALL_SEPARATORS,
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DIGITS_OR_STRICT_ALL_SEPARATORS,
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// The number of elements in the enum.
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COUNT
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};
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/**
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* Gets the static-allocated UnicodeSet according to the provided key. The
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* pointer will be deleted during u_cleanup(); the caller should NOT delete it.
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*
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* Exported as U_COMMON_API for ucurr.cpp
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*
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* @param key The desired UnicodeSet according to the enum in this file.
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* @return The requested UnicodeSet. Guaranteed to be frozen and non-null, but
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* may be empty if an error occurred during data loading.
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*/
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U_COMMON_API const UnicodeSet* get(Key key);
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/**
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* Checks if the UnicodeSet given by key1 contains the given string.
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*
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* Exported as U_COMMON_API for numparse_decimal.cpp
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*
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* @param str The string to check.
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* @param key1 The set to check.
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* @return key1 if the set contains str, or NONE if not.
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*/
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U_COMMON_API Key chooseFrom(UnicodeString str, Key key1);
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/**
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* Checks if the UnicodeSet given by either key1 or key2 contains the string.
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*
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* Exported as U_COMMON_API for numparse_decimal.cpp
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*
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* @param str The string to check.
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* @param key1 The first set to check.
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* @param key2 The second set to check.
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* @return key1 if that set contains str; key2 if that set contains str; or
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* NONE if neither set contains str.
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*/
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U_COMMON_API Key chooseFrom(UnicodeString str, Key key1, Key key2);
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// Unused in C++:
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// Key chooseCurrency(UnicodeString str);
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// Used instead:
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static const struct {
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Key key;
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UChar32 exemplar;
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} kCurrencyEntries[] = {
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{DOLLAR_SIGN, u'$'},
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{POUND_SIGN, u'£'},
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{RUPEE_SIGN, u'₨'},
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{YEN_SIGN, u'¥'},
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};
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} // namespace unisets
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U_NAMESPACE_END
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#endif //__STATIC_UNICODE_SETS_H__
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#endif /* #if !UCONFIG_NO_FORMATTING */
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