93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_ADDITIONAL_PROXIMITY_CHARS_H
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#define LATINIME_ADDITIONAL_PROXIMITY_CHARS_H
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#include <stdint.h>
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#include <string>
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namespace latinime {
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class AdditionalProximityChars {
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private:
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static const std::string LOCALE_EN_US;
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static const int EN_US_ADDITIONAL_A_SIZE = 4;
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static const uint16_t EN_US_ADDITIONAL_A[];
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static const int EN_US_ADDITIONAL_E_SIZE = 4;
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static const uint16_t EN_US_ADDITIONAL_E[];
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static const int EN_US_ADDITIONAL_I_SIZE = 4;
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static const uint16_t EN_US_ADDITIONAL_I[];
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static const int EN_US_ADDITIONAL_O_SIZE = 4;
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static const uint16_t EN_US_ADDITIONAL_O[];
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static const int EN_US_ADDITIONAL_U_SIZE = 4;
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static const uint16_t EN_US_ADDITIONAL_U[];
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static bool isEnLocale(std::string* locale_str) {
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return locale_str && locale_str->size() >= LOCALE_EN_US.size()
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&& locale_str->compare(0, LOCALE_EN_US.size(), LOCALE_EN_US);
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}
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public:
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static int getAdditionalCharsSize(std::string* locale_str, uint16_t c) {
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if (!isEnLocale(locale_str)) {
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return 0;
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}
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switch(c) {
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case 'a':
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return EN_US_ADDITIONAL_A_SIZE;
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case 'e':
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return EN_US_ADDITIONAL_E_SIZE;
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case 'i':
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return EN_US_ADDITIONAL_I_SIZE;
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case 'o':
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return EN_US_ADDITIONAL_O_SIZE;
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case 'u':
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return EN_US_ADDITIONAL_U_SIZE;
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default:
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return 0;
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}
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}
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static const uint16_t* getAdditionalChars(std::string* locale_str, uint16_t c) {
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if (!isEnLocale(locale_str)) {
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return 0;
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}
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switch(c) {
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case 'a':
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return EN_US_ADDITIONAL_A;
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case 'e':
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return EN_US_ADDITIONAL_E;
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case 'i':
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return EN_US_ADDITIONAL_I;
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case 'o':
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return EN_US_ADDITIONAL_O;
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case 'u':
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return EN_US_ADDITIONAL_U;
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default:
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return 0;
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}
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}
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static bool hasAdditionalChars(std::string* locale_str, uint16_t c) {
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return getAdditionalCharsSize(locale_str, c) > 0;
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}
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};
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}
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#endif // LATINIME_ADDITIONAL_PROXIMITY_CHARS_H
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