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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.
*/
#include "Tokenizer.h"
using std::string;
using std::vector;
const string Tokenizer::defaultDelimiters = " \n\r\t\v\f";
Tokenizer::Tokenizer(const string &input, const string &delimiters)
: _input(input), _delimiters(delimiters), _position(0)
{
}
string Tokenizer::next()
{
string token;
// Skip all leading delimiters
string::size_type tokenStart = _input.find_first_not_of(_delimiters, _position);
// Special case if there isn't any token anymore (string::substr's
// throws when pos==npos)
if (tokenStart == string::npos) {
return "";
}
// Starting from the token's start, find the first delimiter
string::size_type tokenEnd = _input.find_first_of(_delimiters, tokenStart);
_position = tokenEnd;
return _input.substr(tokenStart, tokenEnd - tokenStart);
}
vector<string> Tokenizer::split()
{
vector<string> result;
string token;
while (true) {
token = next();
if (token.empty()) {
return result;
}
result.push_back(token);
}
}
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