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// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#ifndef __NUMPARSE_DECIMAL_H__
#define __NUMPARSE_DECIMAL_H__
#include "unicode/uniset.h"
#include "numparse_types.h"
U_NAMESPACE_BEGIN namespace numparse {
namespace impl {
using ::icu::number::impl::Grouper;
class DecimalMatcher : public NumberParseMatcher, public UMemory {
public:
DecimalMatcher() = default; // WARNING: Leaves the object in an unusable state
DecimalMatcher(const DecimalFormatSymbols& symbols, const Grouper& grouper,
parse_flags_t parseFlags);
bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
bool
match(StringSegment& segment, ParsedNumber& result, int8_t exponentSign, UErrorCode& status) const;
bool smokeTest(const StringSegment& segment) const override;
UnicodeString toString() const override;
private:
/** If true, only accept strings whose grouping sizes match the locale */
bool requireGroupingMatch;
/** If true, do not accept grouping separators at all */
bool groupingDisabled;
// Fraction grouping parsing is disabled for now but could be enabled later.
// See https://unicode-org.atlassian.net/browse/ICU-10794
// bool fractionGrouping;
/** If true, do not accept numbers in the fraction */
bool integerOnly;
int16_t grouping1;
int16_t grouping2;
UnicodeString groupingSeparator;
UnicodeString decimalSeparator;
// Assumption: these sets all consist of single code points. If this assumption needs to be broken,
// fix getLeadCodePoints() as well as matching logic. Be careful of the performance impact.
const UnicodeSet* groupingUniSet;
const UnicodeSet* decimalUniSet;
const UnicodeSet* separatorSet;
const UnicodeSet* leadSet;
// Make this class the owner of a few objects that could be allocated.
// The first three LocalPointers are used for assigning ownership only.
LocalPointer<const UnicodeSet> fLocalDecimalUniSet;
LocalPointer<const UnicodeSet> fLocalSeparatorSet;
LocalArray<const UnicodeString> fLocalDigitStrings;
bool validateGroup(int32_t sepType, int32_t count, bool isPrimary) const;
};
} // namespace impl
} // namespace numparse
U_NAMESPACE_END
#endif //__NUMPARSE_DECIMAL_H__
#endif /* #if !UCONFIG_NO_FORMATTING */
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