LatinIME/native/jni/src/additional_proximity_chars.h

90 lines
2.7 KiB
C++

/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LATINIME_ADDITIONAL_PROXIMITY_CHARS_H
#define LATINIME_ADDITIONAL_PROXIMITY_CHARS_H
#include <cstring>
#include "defines.h"
namespace latinime {
class AdditionalProximityChars {
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(AdditionalProximityChars);
static const char *LOCALE_EN_US;
static const int EN_US_ADDITIONAL_A_SIZE = 4;
static const int EN_US_ADDITIONAL_A[];
static const int EN_US_ADDITIONAL_E_SIZE = 4;
static const int EN_US_ADDITIONAL_E[];
static const int EN_US_ADDITIONAL_I_SIZE = 4;
static const int EN_US_ADDITIONAL_I[];
static const int EN_US_ADDITIONAL_O_SIZE = 4;
static const int EN_US_ADDITIONAL_O[];
static const int EN_US_ADDITIONAL_U_SIZE = 4;
static const int EN_US_ADDITIONAL_U[];
AK_FORCE_INLINE static bool isEnLocale(const char *localeStr) {
const size_t LOCALE_EN_US_SIZE = strlen(LOCALE_EN_US);
return localeStr && strlen(localeStr) >= LOCALE_EN_US_SIZE
&& strncmp(localeStr, LOCALE_EN_US, LOCALE_EN_US_SIZE) == 0;
}
public:
static int getAdditionalCharsSize(const char *const localeStr, const int c) {
if (!isEnLocale(localeStr)) {
return 0;
}
switch (c) {
case 'a':
return EN_US_ADDITIONAL_A_SIZE;
case 'e':
return EN_US_ADDITIONAL_E_SIZE;
case 'i':
return EN_US_ADDITIONAL_I_SIZE;
case 'o':
return EN_US_ADDITIONAL_O_SIZE;
case 'u':
return EN_US_ADDITIONAL_U_SIZE;
default:
return 0;
}
}
static const int *getAdditionalChars(const char *const localeStr, const int c) {
if (!isEnLocale(localeStr)) {
return 0;
}
switch (c) {
case 'a':
return EN_US_ADDITIONAL_A;
case 'e':
return EN_US_ADDITIONAL_E;
case 'i':
return EN_US_ADDITIONAL_I;
case 'o':
return EN_US_ADDITIONAL_O;
case 'u':
return EN_US_ADDITIONAL_U;
default:
return 0;
}
}
};
} // namespace latinime
#endif // LATINIME_ADDITIONAL_PROXIMITY_CHARS_H