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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,
kAlpha,
kEpsilon,
kEta,
kIota,
kOmicron,
kUpsilon,
kOmega,
kAlphaAcc,
kEpsilonAcc,
kEtaAcc,
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);
};
} // namespace mozilla
#endif
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