gecko-dev/intl/unicharutil/util/IrishCasing.h

118 lines
2.0 KiB
C++

/* -*- 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 IrishCasing_h_
#define IrishCasing_h_
#include <stdint.h>
#include "mozilla/Attributes.h"
namespace mozilla {
class IrishCasing {
private:
enum IrishStates {
kState_Start,
kState_InWord,
kState_b,
kState_bh,
kState_d,
kState_g,
kState_h,
kState_m,
kState_n,
kState_nt_,
kState_t,
kState_ts,
kNumStates
};
enum IrishClasses {
kClass_b,
kClass_B,
kClass_cC,
kClass_d,
kClass_DG,
kClass_fF,
kClass_g,
kClass_h,
kClass_lLNrR,
kClass_m,
kClass_n,
kClass_pP,
kClass_sS,
kClass_t,
kClass_T,
kClass_vowel,
kClass_Vowel,
kClass_hyph,
kClass_letter,
kClass_other,
kNumClasses
};
public:
class State {
friend class IrishCasing;
public:
State()
: mState(kState_Start)
{
}
MOZ_IMPLICIT State(const IrishStates& aState)
: mState(aState)
{
}
void Reset()
{
mState = kState_Start;
}
operator IrishStates() const
{
return mState;
}
private:
explicit State(uint8_t aState)
: mState(IrishStates(aState))
{
}
uint8_t GetClass(uint32_t aCh);
IrishStates mState;
};
enum {
kMarkPositionFlag = 0x80,
kActionMask = 0x30,
kActionShift = 4,
kNextStateMask = 0x0f
};
static const uint8_t sUppercaseStateTable[kNumClasses][kNumStates];
static const uint8_t sLcClasses[26];
static const uint8_t sUcClasses[26];
static uint32_t UpperCase(uint32_t aCh, State& aState,
bool& aMarkPos, uint8_t& aAction);
static bool IsUpperVowel(uint32_t aCh)
{
return GetClass(aCh) == kClass_Vowel;
}
private:
static uint8_t GetClass(uint32_t aCh);
};
} // namespace mozilla
#endif