| /* |
| * Copyright (C) 2017 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 KNOWLEDGE_CEREBRA_SENSE_TEXT_CLASSIFIER_LIB2_REGEX_NUMBER_H_ |
| #define KNOWLEDGE_CEREBRA_SENSE_TEXT_CLASSIFIER_LIB2_REGEX_NUMBER_H_ |
| |
| #include "regex-base.h" |
| |
| namespace libtextclassifier2 { |
| |
| extern const char* const kZero; |
| extern const char* const kOne; |
| extern const char* const kTwo; |
| extern const char* const kThree; |
| extern const char* const kFour; |
| extern const char* const kFive; |
| extern const char* const kSix; |
| extern const char* const kSeven; |
| extern const char* const kEight; |
| extern const char* const kNine; |
| extern const char* const kTen; |
| extern const char* const kEleven; |
| extern const char* const kTwelve; |
| extern const char* const kThirteen; |
| extern const char* const kFourteen; |
| extern const char* const kFifteen; |
| extern const char* const kSixteen; |
| extern const char* const kSeventeen; |
| extern const char* const kEighteen; |
| extern const char* const kNineteen; |
| extern const char* const kTwenty; |
| extern const char* const kThirty; |
| extern const char* const kForty; |
| extern const char* const kFifty; |
| extern const char* const kSixty; |
| extern const char* const kSeventy; |
| extern const char* const kEighty; |
| extern const char* const kNinety; |
| extern const char* const kHundred; |
| extern const char* const kThousand; |
| |
| extern const char* const kDigits; |
| extern const char* const kSignedDigits; |
| |
| // Class that encapsulates a unsigned integer matching and extract values of |
| // SpanResults of type int. |
| // Thread-safe. |
| class DigitNode : public RegexNode<int> { |
| public: |
| typedef typename RegexNode<int>::Result Result; |
| typedef typename RegexNode<int>::Results Results; |
| |
| // Factory method for yielding a pointer to a DigitNode implementation. |
| static std::unique_ptr<DigitNode> Instance(const Rules& rules); |
| bool Extract(const std::string& input, Results* result) const override; |
| |
| protected: |
| DigitNode(); |
| bool Init(const Rules& rules); |
| }; |
| |
| // Class that encapsulates a signed integer matching and extract values of |
| // SpanResults of type int. |
| // Thread-safe. |
| class SignedDigitNode : public RegexNode<int> { |
| public: |
| typedef typename RegexNode<int>::Result Result; |
| typedef typename RegexNode<int>::Results Results; |
| |
| // Factory method for yielding a pointer to a DigitNode implementation. |
| static std::unique_ptr<SignedDigitNode> Instance(const Rules& rules); |
| bool Extract(const std::string& input, Results* result) const override; |
| |
| protected: |
| SignedDigitNode(); |
| bool Init(const Rules& rules); |
| }; |
| |
| // Class that encapsulates a simple natural language integer matching and |
| // extract values of SpanResults of type int. |
| // Thread-safe. |
| class NumberNode : public OrRegexNode<int> { |
| public: |
| typedef typename OrRegexNode<int>::Result Result; |
| typedef typename OrRegexNode<int>::Results Results; |
| |
| static std::unique_ptr<NumberNode> Instance(const Rules& rules); |
| bool Extract(const std::string& input, Results* result) const override; |
| |
| protected: |
| explicit NumberNode( |
| std::vector<std::unique_ptr<const RegexNode<int>>> alternatives); |
| bool Init(); |
| }; |
| |
| } // namespace libtextclassifier2 |
| #endif // KNOWLEDGE_CEREBRA_SENSE_TEXT_CLASSIFIER_LIB2_REGEX_NUMBER_H_ |