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annotate liboctave/caseless-str.h @ 11117:3cbc0d77db48 ss-3-3-53

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update version info for snapshot
author John W. Eaton <jwe@octave.org>
date Tue, 19 Oct 2010 02:25:32 -0400
parents 4e31d44a9763
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 2007, 2008, 2009, 2010 Shai Ayal
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_caseless_str_h)
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24 #define octave_caseless_str_h 1
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25
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26 #include <string>
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27
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28 class caseless_str : public std::string
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29 {
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30 public:
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31
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32 typedef std::string::iterator iterator;
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33 typedef std::string::const_iterator const_iterator;
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34
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35 caseless_str (void) : std::string () { }
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36 caseless_str (const std::string& s) : std::string (s) { }
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37 caseless_str (const char *s) : std::string (s) { }
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38
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39 caseless_str (const caseless_str& name) : std::string (name) { }
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40
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41 caseless_str& operator = (const caseless_str& pname)
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42 {
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43 std::string::operator = (pname);
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44 return *this;
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45 }
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46
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47 operator std::string (void) const { return *this; }
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48
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49 // Case-insensitive comparison.
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50 bool compare (const std::string& s, size_t limit = std::string::npos) const
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51 {
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52 const_iterator p1 = begin ();
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53 const_iterator p2 = s.begin ();
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54
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55 size_t k = 0;
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56
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57 while (p1 != end () && p2 != s.end () && k++ < limit)
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58 {
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59 if (std::tolower (*p1) != std::tolower (*p2))
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60 return false;
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61
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62 *p1++;
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63 *p2++;
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64 }
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65
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66 return (limit == std::string::npos) ? size () == s.size () : k == limit;
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67 }
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68 };
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69
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70 #endif