LatinIME/native/jni/src/additional_proximity_chars.h

95 lines
2.8 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 <stdint.h>
#include <string>
#include "defines.h"
namespace latinime {
class AdditionalProximityChars {
private:
static const std::string LOCALE_EN_US;
static const int EN_US_ADDITIONAL_A_SIZE = 4;
static const int32_t EN_US_ADDITIONAL_A[];
static const int EN_US_ADDITIONAL_E_SIZE = 4;
static const int32_t EN_US_ADDITIONAL_E[];
static const int EN_US_ADDITIONAL_I_SIZE = 4;
static const int32_t EN_US_ADDITIONAL_I[];
static const int EN_US_ADDITIONAL_O_SIZE = 4;
static const int32_t EN_US_ADDITIONAL_O[];
static const int EN_US_ADDITIONAL_U_SIZE = 4;
static const int32_t EN_US_ADDITIONAL_U[];
static bool isEnLocale(const std::string *locale_str) {
return locale_str && locale_str->size() >= LOCALE_EN_US.size()
&& LOCALE_EN_US.compare(0, LOCALE_EN_US.size(), *locale_str);
}
public:
static int getAdditionalCharsSize(const std::string* locale_str, const int32_t c) {
if (!isEnLocale(locale_str)) {
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 int32_t* getAdditionalChars(const std::string *locale_str, const int32_t c) {
if (!isEnLocale(locale_str)) {
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;
}
}
static bool hasAdditionalChars(const std::string *locale_str, const int32_t c) {
return getAdditionalCharsSize(locale_str, c) > 0;
}
};
}
#endif // LATINIME_ADDITIONAL_PROXIMITY_CHARS_H