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

intl/icu/source/i18n/number_microprops.h

@@ -0,0 +1,82 @@
+// © 2017 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 __NUMBER_MICROPROPS_H__
+#define __NUMBER_MICROPROPS_H__
+
+// TODO: minimize includes
+#include "unicode/numberformatter.h"
+#include "number_types.h"
+#include "number_decimalquantity.h"
+#include "number_scientific.h"
+#include "number_patternstring.h"
+#include "number_modifiers.h"
+#include "number_multiplier.h"
+#include "number_roundingutils.h"
+#include "decNumber.h"
+#include "charstr.h"
+
+U_NAMESPACE_BEGIN namespace number {
+namespace impl {
+
+struct MicroProps : public MicroPropsGenerator {
+
+    // NOTE: All of these fields are properly initialized in NumberFormatterImpl.
+    RoundingImpl rounder;
+    Grouper grouping;
+    Padder padding;
+    IntegerWidth integerWidth;
+    UNumberSignDisplay sign;
+    UNumberDecimalSeparatorDisplay decimal;
+    bool useCurrency;
+
+    // Note: This struct has no direct ownership of the following pointers.
+    const DecimalFormatSymbols* symbols;
+    const Modifier* modOuter;
+    const Modifier* modMiddle;
+    const Modifier* modInner;
+
+    // The following "helper" fields may optionally be used during the MicroPropsGenerator.
+    // They live here to retain memory.
+    struct {
+        ScientificModifier scientificModifier;
+        EmptyModifier emptyWeakModifier{false};
+        EmptyModifier emptyStrongModifier{true};
+        MultiplierFormatHandler multiplier;
+    } helpers;
+
+
+    MicroProps() = default;
+
+    MicroProps(const MicroProps& other) = default;
+
+    MicroProps& operator=(const MicroProps& other) = default;
+
+    void processQuantity(DecimalQuantity&, MicroProps& micros, UErrorCode& status) const U_OVERRIDE {
+        (void) status;
+        if (this == &micros) {
+            // Unsafe path: no need to perform a copy.
+            U_ASSERT(!exhausted);
+            micros.exhausted = true;
+            U_ASSERT(exhausted);
+        } else {
+            // Safe path: copy self into the output micros.
+            micros = *this;
+        }
+    }
+
+  private:
+    // Internal fields:
+    bool exhausted = false;
+};
+
+} // namespace impl
+} // namespace number
+U_NAMESPACE_END
+
+#endif // __NUMBER_MICROPROPS_H__
+
+#endif /* #if !UCONFIG_NO_FORMATTING */