| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 QUICKSTEP_PARSER_PARSE_STRING_HPP_ |
| #define QUICKSTEP_PARSER_PARSE_STRING_HPP_ |
| |
| #include <cstddef> |
| #include <string> |
| #include <vector> |
| |
| #include "parser/ParseTreeNode.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| |
| /** \addtogroup Parser |
| * @{ |
| */ |
| |
| /** |
| * @brief String (an identifier or a string literal value) in the SQL statement. |
| */ |
| class ParseString : public ParseTreeNode { |
| public: |
| /** |
| * @brief Construction. |
| * |
| * @param line_number Line number of the first token of this node in the SQL statement. |
| * @param column_number Column number of the first token of this node in the SQL statement. |
| * @param value The string value. |
| */ |
| ParseString(const int line_number, |
| const int column_number, |
| const std::string &value = "") |
| : ParseTreeNode(line_number, column_number), |
| value_(value) { |
| } |
| |
| /** |
| * @brief Destructor. |
| */ |
| ~ParseString() override {} |
| |
| std::string getName() const override { |
| return "String"; |
| } |
| |
| /** |
| * @return The string value. |
| */ |
| const std::string& value() const { return value_; } |
| |
| /** |
| * @brief Append \p c into the string. |
| * |
| * @param c Char to append. |
| */ |
| void push_back(char c) { |
| value_.push_back(c); |
| } |
| |
| /** |
| * @brief Appends a copy of the first n characters in the array of characters pointed by s. |
| * |
| * @param s The string to be appended. |
| * @param n The number of characters to be copied from \p s. |
| * @return A reference to this ParseString. |
| */ |
| ParseString& append(const char *s, const std::size_t n) { |
| value_.append(s, n); |
| return *this; |
| } |
| |
| /** |
| * @brief Makes a copy of this ParseString. |
| * |
| * @return A copy of this ParseString. The caller is responsible for taking the ownership. |
| */ |
| ParseString* clone() const { |
| return new ParseString(line_number(), column_number(), value_); |
| } |
| |
| protected: |
| void getFieldStringItems( |
| std::vector<std::string> *inline_field_names, |
| std::vector<std::string> *inline_field_values, |
| std::vector<std::string> *non_container_child_field_names, |
| std::vector<const ParseTreeNode*> *non_container_child_fields, |
| std::vector<std::string> *container_child_field_names, |
| std::vector<std::vector<const ParseTreeNode*>> *container_child_fields) const override; |
| |
| private: |
| std::string value_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ParseString); |
| }; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif /* QUICKSTEP_PARSER_PARSE_STRING_HPP_ */ |