annotate misc/strip.hpp @ 569:b1c4933afcd0

Misc: add strip function
author David Demelier <markand@malikania.fr>
date Wed, 29 Jun 2016 19:07:40 +0200
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children c79a501782b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * strip.hpp -- remove leading and trailing spaces
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3 *
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4 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <algorithm>
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20 #include <cctype>
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21
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22 /**
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23 * Remove leading and trailing spaces.
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24 *
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25 * \param str the string
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26 * \return the removed white spaces
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27 */
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28 std::string strip(std::string str)
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29 {
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30 auto test = [] (char c) { return !std::isspace(c); };
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31
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32 str.erase(str.begin(), std::find_if(str.begin(), str.end(), test));
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33 str.erase(std::find_if(str.rbegin(), str.rend(), test).base(), str.end());
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34
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35 return str;
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36 }