| /* |
| * Copyright (C) 2018 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 LIBTEXTCLASSIFIER_UTILS_UTF8_UNILIB_H_ |
| #define LIBTEXTCLASSIFIER_UTILS_UTF8_UNILIB_H_ |
| |
| #include "utils/base/integral_types.h" |
| #include "utils/utf8/unicodetext.h" |
| #include "utils/utf8/unilib-common.h" |
| |
| #if defined TC3_UNILIB_ICU |
| #include "utils/utf8/unilib-icu.h" |
| #define INIT_UNILIB_FOR_TESTING(VAR) VAR() |
| #elif defined TC3_UNILIB_JAVAICU |
| #include "utils/utf8/unilib-javaicu.h" |
| #define INIT_UNILIB_FOR_TESTING(VAR) VAR(nullptr) |
| #elif defined TC3_UNILIB_APPLE |
| #include "utils/utf8/unilib-apple.h" |
| #define INIT_UNILIB_FOR_TESTING(VAR) VAR() |
| #elif defined TC3_UNILIB_DUMMY |
| #include "utils/utf8/unilib-dummy.h" |
| #define INIT_UNILIB_FOR_TESTING(VAR) VAR() |
| #else |
| #error No TC3_UNILIB implementation specified. |
| #endif |
| |
| namespace libtextclassifier3 { |
| |
| class UniLib : public UniLibBase { |
| public: |
| using UniLibBase::UniLibBase; |
| |
| // Lowercase a unicode string. |
| UnicodeText ToLowerText(const UnicodeText& text) const { |
| UnicodeText result; |
| for (const char32 codepoint : text) { |
| result.push_back(ToLower(codepoint)); |
| } |
| return result; |
| } |
| |
| // Uppercase a unicode string. |
| UnicodeText ToUpperText(const UnicodeText& text) const { |
| UnicodeText result; |
| for (const char32 codepoint : text) { |
| result.push_back(UniLibBase::ToUpper(codepoint)); |
| } |
| return result; |
| } |
| |
| bool IsLowerText(const UnicodeText& text) const { |
| for (const char32 codepoint : text) { |
| if (!IsLower(codepoint)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool IsUpperText(const UnicodeText& text) const { |
| for (const char32 codepoint : text) { |
| if (!IsUpper(codepoint)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool IsDigits(const UnicodeText& text) const { |
| for (const char32 codepoint : text) { |
| if (!IsDigit(codepoint)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool IsPercentage(char32 codepoint) const { |
| return libtextclassifier3::IsPercentage(codepoint); |
| } |
| |
| bool IsSlash(char32 codepoint) const { |
| return libtextclassifier3::IsSlash(codepoint); |
| } |
| |
| bool IsMinus(char32 codepoint) const { |
| return libtextclassifier3::IsMinus(codepoint); |
| } |
| |
| bool IsNumberSign(char32 codepoint) const { |
| return libtextclassifier3::IsNumberSign(codepoint); |
| } |
| |
| bool IsDot(char32 codepoint) const { |
| return libtextclassifier3::IsDot(codepoint); |
| } |
| |
| bool IsApostrophe(char32 codepoint) const { |
| return libtextclassifier3::IsApostrophe(codepoint); |
| } |
| |
| bool IsQuotation(char32 codepoint) const { |
| return libtextclassifier3::IsQuotation(codepoint); |
| } |
| |
| bool IsLatinLetter(char32 codepoint) const { |
| return libtextclassifier3::IsLatinLetter(codepoint); |
| } |
| |
| bool IsArabicLetter(char32 codepoint) const { |
| return libtextclassifier3::IsArabicLetter(codepoint); |
| } |
| |
| bool IsCyrillicLetter(char32 codepoint) const { |
| return libtextclassifier3::IsCyrillicLetter(codepoint); |
| } |
| |
| bool IsChineseLetter(char32 codepoint) const { |
| return libtextclassifier3::IsChineseLetter(codepoint); |
| } |
| |
| bool IsJapaneseLetter(char32 codepoint) const { |
| return libtextclassifier3::IsJapaneseLetter(codepoint); |
| } |
| |
| bool IsKoreanLetter(char32 codepoint) const { |
| return libtextclassifier3::IsKoreanLetter(codepoint); |
| } |
| |
| bool IsThaiLetter(char32 codepoint) const { |
| return libtextclassifier3::IsThaiLetter(codepoint); |
| } |
| |
| bool IsCJTletter(char32 codepoint) const { |
| return libtextclassifier3::IsCJTletter(codepoint); |
| } |
| |
| bool IsLetter(char32 codepoint) const { |
| return libtextclassifier3::IsLetter(codepoint); |
| } |
| }; |
| |
| } // namespace libtextclassifier3 |
| #endif // LIBTEXTCLASSIFIER_UTILS_UTF8_UNILIB_H_ |