1 // © 2018 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 
4 #include "unicode/utypes.h"
5 
6 #if !UCONFIG_NO_FORMATTING
7 #ifndef __NUMPARSE_SCIENTIFIC_H__
8 #define __NUMPARSE_SCIENTIFIC_H__
9 
10 #include "numparse_types.h"
11 #include "numparse_decimal.h"
12 #include "numparse_symbols.h"
13 #include "unicode/numberformatter.h"
14 
15 using icu::number::impl::Grouper;
16 
17 U_NAMESPACE_BEGIN namespace numparse {
18 namespace impl {
19 
20 
21 class ScientificMatcher : public NumberParseMatcher, public UMemory {
22   public:
23     ScientificMatcher() = default;  // WARNING: Leaves the object in an unusable state
24 
25     ScientificMatcher(const DecimalFormatSymbols& dfs, const Grouper& grouper);
26 
27     bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
28 
29     bool smokeTest(const StringSegment& segment) const override;
30 
31     UnicodeString toString() const override;
32 
33   private:
34     UnicodeString fExponentSeparatorString;
35     DecimalMatcher fExponentMatcher;
36     IgnorablesMatcher fIgnorablesMatcher;
37     UnicodeString fCustomMinusSign;
38     UnicodeString fCustomPlusSign;
39 };
40 
41 
42 } // namespace impl
43 } // namespace numparse
44 U_NAMESPACE_END
45 
46 #endif //__NUMPARSE_SCIENTIFIC_H__
47 #endif /* #if !UCONFIG_NO_FORMATTING */
48