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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_IMPL_H__
#define __NUMPARSE_IMPL_H__
#include "numparse_types.h"
#include "numparse_decimal.h"
#include "numparse_symbols.h"
#include "numparse_scientific.h"
#include "unicode/uniset.h"
#include "numparse_currency.h"
#include "numparse_affixes.h"
#include "number_decimfmtprops.h"
#include "unicode/localpointer.h"
#include "numparse_validators.h"
#include "number_multiplier.h"
#include "string_segment.h"
U_NAMESPACE_BEGIN
namespace numparse::impl {
// Exported as U_I18N_API_CLASS for tests
class U_I18N_API_CLASS NumberParserImpl : public MutableMatcherCollection, public UMemory {
public:
virtual ~NumberParserImpl();
U_I18N_API static NumberParserImpl *createSimpleParser(const Locale& locale,
const UnicodeString& patternString,
parse_flags_t parseFlags,
UErrorCode& status);
static NumberParserImpl* createParserFromProperties(
const number::impl::DecimalFormatProperties& properties, const DecimalFormatSymbols& symbols,
bool parseCurrency, UErrorCode& status);
/**
* Does NOT take ownership of the matcher. The matcher MUST remain valid for the lifespan of the
* NumberParserImpl.
* @param matcher The matcher to reference.
*/
void addMatcher(NumberParseMatcher& matcher) override;
void freeze();
parse_flags_t getParseFlags() const;
U_I18N_API void parse(const UnicodeString& input, bool greedy, ParsedNumber& result,
UErrorCode& status) const;
void parse(const UnicodeString& input, int32_t start, bool greedy, ParsedNumber& result,
UErrorCode& status) const;
U_I18N_API UnicodeString toString() const;
private:
parse_flags_t fParseFlags;
int32_t fNumMatchers = 0;
// NOTE: The stack capacity for fMatchers and fLeads should be the same
MaybeStackArray<const NumberParseMatcher*, 10> fMatchers;
bool fFrozen = false;
// WARNING: All of these matchers start in an undefined state (default-constructed).
// You must use an assignment operator on them before using.
struct {
IgnorablesMatcher ignorables;
InfinityMatcher infinity;
MinusSignMatcher minusSign;
NanMatcher nan;
PaddingMatcher padding;
PercentMatcher percent;
PermilleMatcher permille;
PlusSignMatcher plusSign;
ApproximatelySignMatcher approximatelySign;
DecimalMatcher decimal;
ScientificMatcher scientific;
CombinedCurrencyMatcher currency;
AffixMatcherWarehouse affixMatcherWarehouse;
AffixTokenMatcherWarehouse affixTokenMatcherWarehouse;
} fLocalMatchers;
struct {
RequireAffixValidator affix;
RequireCurrencyValidator currency;
RequireDecimalSeparatorValidator decimalSeparator;
RequireNumberValidator number;
MultiplierParseHandler multiplier;
} fLocalValidators;
explicit NumberParserImpl(parse_flags_t parseFlags);
void parseGreedy(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const;
void parseLongestRecursive(
StringSegment& segment, ParsedNumber& result, int32_t recursionLevels, UErrorCode& status) const;
};
} // namespace numparse::impl
U_NAMESPACE_END
#endif //__NUMPARSE_IMPL_H__
#endif /* #if !UCONFIG_NO_FORMATTING */
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