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-rw-r--r--intl/unicharutil/util/GreekCasing.h64
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diff --git a/intl/unicharutil/util/GreekCasing.h b/intl/unicharutil/util/GreekCasing.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 GreekCasing_h_
+#define GreekCasing_h_
+
+#include <stdint.h>
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+
+class GreekCasing {
+ // When doing an Uppercase transform in Greek, we need to keep track of the
+ // current state while iterating through the string, to recognize and process
+ // diphthongs correctly. For clarity, we define a state for each vowel and
+ // each vowel with accent, although a few of these do not actually need any
+ // special treatment and could be folded into kStart.
+ private:
+ enum GreekStates {
+ kStart,
+ kInWord,
+ kAlpha,
+ kEpsilon,
+ kEta,
+ kIota,
+ kOmicron,
+ kUpsilon,
+ kOmega,
+ kAlphaAcc,
+ kEpsilonAcc,
+ kEtaAcc,
+ kEtaAccMarked,
+ kIotaAcc,
+ kOmicronAcc,
+ kUpsilonAcc,
+ kOmegaAcc,
+ kOmicronUpsilon,
+ kDiaeresis
+ };
+
+ public:
+ class State {
+ public:
+ State() : mState(kStart) {}
+
+ MOZ_IMPLICIT State(const GreekStates& aState) : mState(aState) {}
+
+ void Reset() { mState = kStart; }
+
+ operator GreekStates() const { return mState; }
+
+ private:
+ GreekStates mState;
+ };
+
+ static uint32_t UpperCase(uint32_t aCh, State& aState, bool& aMarkEtaPos,
+ bool& aUpdateMarkedEta);
+};
+
+} // namespace mozilla
+
+#endif