69 lines
2.1 KiB
C++
69 lines
2.1 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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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING && !UPRV_INCOMPLETE_CPP11_SUPPORT
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#ifndef __NUMPARSE_CURRENCY_H__
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#define __NUMPARSE_CURRENCY_H__
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#include "numparse_types.h"
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#include "numparse_compositions.h"
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#include "charstr.h"
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#include "number_currencysymbols.h"
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#include "unicode/uniset.h"
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U_NAMESPACE_BEGIN namespace numparse {
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namespace impl {
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using ::icu::number::impl::CurrencySymbols;
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/**
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* Matches a currency, either a custom currency or one from the data bundle. The class is called
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* "combined" to emphasize that the currency string may come from one of multiple sources.
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*
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* Will match currency spacing either before or after the number depending on whether we are currently in
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* the prefix or suffix.
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*
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* The implementation of this class is slightly different between J and C. See #13584 for a follow-up.
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*
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* @author sffc
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*/
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class CombinedCurrencyMatcher : public NumberParseMatcher, public UMemory {
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public:
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CombinedCurrencyMatcher() = default; // WARNING: Leaves the object in an unusable state
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CombinedCurrencyMatcher(const CurrencySymbols& currencySymbols, const DecimalFormatSymbols& dfs, UErrorCode& status);
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bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
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bool smokeTest(const StringSegment& segment) const override;
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UnicodeString toString() const override;
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private:
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UChar fCurrencyCode[4];
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UnicodeString fCurrency1;
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UnicodeString fCurrency2;
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UnicodeString afterPrefixInsert;
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UnicodeString beforeSuffixInsert;
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// We could use Locale instead of CharString here, but
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// Locale has a non-trivial default constructor.
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CharString fLocaleName;
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UnicodeSet fLeadCodePoints;
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/** Matches the currency string without concern for currency spacing. */
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bool matchCurrency(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const;
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};
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} // namespace impl
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} // namespace numparse
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U_NAMESPACE_END
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#endif //__NUMPARSE_CURRENCY_H__
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#endif /* #if !UCONFIG_NO_FORMATTING */
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