103 lines
2.8 KiB
C++
103 lines
2.8 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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U_NAMESPACE_BEGIN namespace numparse {
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namespace impl {
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/**
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* Matches currencies according to all available strings in locale data.
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*
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* The implementation of this class is 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 CurrencyNamesMatcher : public NumberParseMatcher, public UMemory {
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public:
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CurrencyNamesMatcher() = default; // WARNING: Leaves the object in an unusable state
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CurrencyNamesMatcher(const Locale& locale, UErrorCode& status);
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bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
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const UnicodeSet& getLeadCodePoints() override;
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UnicodeString toString() const override;
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private:
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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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};
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class CurrencyCustomMatcher : public NumberParseMatcher, public UMemory {
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public:
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CurrencyCustomMatcher() = default; // WARNING: Leaves the object in an unusable state
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CurrencyCustomMatcher(const char16_t* currencyCode, const UnicodeString& currency1,
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const UnicodeString& currency2);
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bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
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const UnicodeSet& getLeadCodePoints() 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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};
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/**
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* An implementation of AnyMatcher, allowing for either currency data or locale currency matches.
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*/
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class CurrencyAnyMatcher : public AnyMatcher, public UMemory {
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public:
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CurrencyAnyMatcher(); // WARNING: Leaves the object in an unusable state
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CurrencyAnyMatcher(CurrencyNamesMatcher namesMatcher, CurrencyCustomMatcher customMatcher);
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// Needs custom move constructor/operator since constructor is nontrivial
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CurrencyAnyMatcher(CurrencyAnyMatcher&& src) U_NOEXCEPT;
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CurrencyAnyMatcher& operator=(CurrencyAnyMatcher&& src) U_NOEXCEPT;
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const UnicodeSet& getLeadCodePoints() override;
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UnicodeString toString() const override;
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protected:
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const NumberParseMatcher* const* begin() const override;
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const NumberParseMatcher* const* end() const override;
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private:
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CurrencyNamesMatcher fNamesMatcher;
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CurrencyCustomMatcher fCustomMatcher;
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const NumberParseMatcher* fMatcherArray[2];
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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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