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/*
* Copyright (c) 2015, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <string>
#include <vector>
/** Tokenizer class
*
* Must be initialized with a string to be tokenized and, optionally, a string
* of delimiters (@see Tokenizer::defaultDelimiters).
*
* Multiple consecutive delimiters (even if different) are considered as a
* single one. As a result, there can't be empty tokens.
*/
class Tokenizer
{
public:
/** Constructs a Tokenizer
*
* @param[in] input The string to be tokenized
* @param[in] delimiters A string containing all the token delimiters
* (hence, each delimiter can only be a single character)
*/
Tokenizer(const std::string &input, const std::string &delimiters=defaultDelimiters);
~Tokenizer() {};
/** Return the next token or an empty string if no more token
*
* Multiple consecutive delimiters are considered as a single one - i.e.
* "a bc d " will be tokenized as ("a", "bc", "d") if the delimiter
* is ' '.
*/
std::string next();
/** Return a vector of all tokens
*/
std::vector<std::string> split();
/** Default list of delimiters (" \n\r\t\v\f") */
static const std::string defaultDelimiters;
private:
const std::string _input; //< string to be tokenized
const std::string _delimiters; //< token delimiters
std::string::size_type _position; //< end of the last returned token
};
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