Issue #1971 - Part 2: Update ICU source to 63.2.

intl/icu/source/i18n/numparse_scientific.h

@@ -0,0 +1,45 @@
+// © 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_SCIENTIFIC_H__
+#define __NUMPARSE_SCIENTIFIC_H__
+
+#include "numparse_types.h"
+#include "numparse_decimal.h"
+#include "unicode/numberformatter.h"
+
+using icu::number::impl::Grouper;
+
+U_NAMESPACE_BEGIN namespace numparse {
+namespace impl {
+
+
+class ScientificMatcher : public NumberParseMatcher, public UMemory {
+  public:
+    ScientificMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    ScientificMatcher(const DecimalFormatSymbols& dfs, const Grouper& grouper);
+
+    bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
+
+    bool smokeTest(const StringSegment& segment) const override;
+
+    UnicodeString toString() const override;
+
+  private:
+    UnicodeString fExponentSeparatorString;
+    DecimalMatcher fExponentMatcher;
+    UnicodeString fCustomMinusSign;
+    UnicodeString fCustomPlusSign;
+};
+
+
+} // namespace impl
+} // namespace numparse
+U_NAMESPACE_END
+
+#endif //__NUMPARSE_SCIENTIFIC_H__
+#endif /* #if !UCONFIG_NO_FORMATTING */