1 files changed, 53 insertions, 0 deletions
diff --git a/intl/components/src/NumberPart.h b/intl/components/src/NumberPart.h
new file mode 100644
index 0000000000..8639db5768
--- /dev/null
+++ b/intl/components/src/NumberPart.h
@@ -0,0 +1,53 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef intl_components_NumberPart_h_
+#define intl_components_NumberPart_h_
+
+#include <cstddef>
+#include <cstdint>
+
+#include "mozilla/Vector.h"
+
+namespace mozilla::intl {
+
+enum class NumberPartType : int16_t {
+  ApproximatelySign,
+  Compact,
+  Currency,
+  Decimal,
+  ExponentInteger,
+  ExponentMinusSign,
+  ExponentSeparator,
+  Fraction,
+  Group,
+  Infinity,
+  Integer,
+  Literal,
+  MinusSign,
+  Nan,
+  Percent,
+  PlusSign,
+  Unit,
+};
+
+enum class NumberPartSource : int16_t { Shared, Start, End };
+
+// Because parts fully partition the formatted string, we only track the
+// index of the end of each part -- the beginning is implicitly the last
+// part's end.
+struct NumberPart {
+  NumberPartType type;
+  NumberPartSource source;
+  size_t endIndex;
+
+  bool operator==(const NumberPart& rhs) const {
+    return type == rhs.type && source == rhs.source && endIndex == rhs.endIndex;
+  }
+  bool operator!=(const NumberPart& rhs) const { return !(*this == rhs); }
+};
+
+using NumberPartVector = mozilla::Vector<NumberPart, 8>;
+
+}  // namespace mozilla::intl
+#endif