1 /* 2 * Copyright (c) 2015, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #pragma once 31 32 #include "NonCopyable.hpp" 33 34 #include <string> 35 #include <vector> 36 37 /** Tokenizer class 38 * 39 * Must be initialized with a string to be tokenized and, optionally, a string 40 * of delimiters (@see Tokenizer::defaultDelimiters). 41 */ 42 class Tokenizer : private utility::NonCopyable 43 { 44 public: 45 /** Constructs a Tokenizer 46 * 47 * @param[in] input The string to be tokenized 48 * @param[in] delimiters A string containing all the token delimiters 49 * (hence, each delimiter can only be a single character) 50 * @param[in] mergeDelimiters If true, consecutive delimiters are considered 51 * as one; leading and trailing delimiters are also ignored. 52 * If false, consecutive delimiters produce empty tokens 53 */ 54 Tokenizer(const std::string &input, const std::string &delimiters = defaultDelimiters, 55 bool mergeDelimiters = true); ~Tokenizer()56 ~Tokenizer(){}; 57 58 /** Return a vector of all tokens 59 */ 60 std::vector<std::string> split(); 61 62 /** Default list of delimiters (" \n\r\t\v\f") */ 63 static const std::string defaultDelimiters; 64 65 private: 66 const std::string _input; //< string to be tokenized 67 const std::string _delimiters; //< token delimiters 68 const bool _mergeDelimiters; //< whether subsequent delimiters should be merged 69 }; 70