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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
#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