Mercurial > octave
view liboctave/util/caseless-str.h @ 31054:201e29541ef5 stable
NEWS.7.md: Clarify whitespace rules with inplace and binary operators (bug #62552).
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Thu, 02 Jun 2022 14:47:55 +0200 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2007-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_caseless_str_h) #define octave_caseless_str_h 1 #include "octave-config.h" #include <cctype> #include <string> class caseless_str : public std::string { public: typedef std::string::iterator iterator; typedef std::string::const_iterator const_iterator; caseless_str (void) = default; caseless_str (const std::string& s) : std::string (s) { } caseless_str (const char *s) : std::string (s) { } caseless_str (const caseless_str&) = default; caseless_str& operator = (const caseless_str&) = default; ~caseless_str (void) = default; bool operator < (const std::string& s) const { auto p1 = begin (); auto p2 = s.begin (); while (p1 != end () && p2 != s.end ()) { char lp1 = std::tolower (*p1); char lp2 = std::tolower (*p2); if (lp1 > lp2) return false; if (lp1 < lp2) return true; p1++; p2++; } if (length () >= s.length ()) return false; else return true; } // Case-insensitive comparison. bool compare (const std::string& s, std::size_t limit = std::string::npos) const { auto p1 = begin (); auto p2 = s.begin (); std::size_t k = 0; while (p1 != end () && p2 != s.end () && k++ < limit) { if (std::tolower (*p1) != std::tolower (*p2)) return false; p1++; p2++; } return (limit == std::string::npos) ? size () == s.size () : k == limit; } }; #endif