Mercurial > octave
view liboctave/util/glob-match.h @ 33589:f07a7fe7bd51 default tip @
maint: merge stable to default
author | Rik <rik@octave.org> |
---|---|
date | Thu, 16 May 2024 08:32:01 -0700 |
parents | 4b601ca024d5 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2024 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_glob_match_h) #define octave_glob_match_h 1 #include "octave-config.h" #include <string> #include "Array.h" #include "str-vec.h" class OCTAVE_API glob_match { public: enum opts { pathname = 1, // No wildcard can ever match '/'. noescape = 2, // Backslashes don't quote special chars. period = 4 // Leading '.' is matched only explicitly. }; glob_match (const std::string& p, unsigned int xopts = pathname | noescape | period) : m_pat (p), m_fnmatch_flags (opts_to_fnmatch_flags (xopts)) { } glob_match (const string_vector& p = string_vector (), unsigned int xopts = pathname | noescape | period) : m_pat (p), m_fnmatch_flags (opts_to_fnmatch_flags (xopts)) { } glob_match (const glob_match& gm) = default; glob_match& operator = (const glob_match& gm) = default; ~glob_match () = default; void set_pattern (const std::string& p) { m_pat = p; } void set_pattern (const string_vector& p) { m_pat = p; } bool match (const std::string& str) const; Array<bool> match (const string_vector& str) const { int n = str.numel (); Array<bool> retval (dim_vector (n, 1)); for (int i = 0; i < n; i++) retval(i) = match (str[i]); return retval; } // We forward to glob_internal here to avoid problems with gnulib's // glob.h defining glob to be rpl_glob. string_vector glob () const; private: // Globbing pattern(s). string_vector m_pat; // Option flags. int m_fnmatch_flags; int opts_to_fnmatch_flags (unsigned int xopts) const; }; class OCTAVE_API symbol_match { // This class is meant to provide a performant implementation for symbol // matching on all platforms. For Windows, that is done by manually // implementing matching rules for '*' and '?' wildcards. On other platforms, // the matching is deferred to `fnmatch`. That means that the matching rules // differ depending on the platform. To write cross-platform compatible code // with this class, do not use [] groups or ranges, named character classes, // collating symbols, or equivalence class expressions. public: symbol_match (const std::string& pattern); symbol_match (const symbol_match&); symbol_match& operator = (const symbol_match& in) { if (this == &in) return *this; m_pat = in.m_pat; if (m_glob) m_glob->set_pattern (m_pat); return *this; } ~symbol_match () = default; void set_pattern (const std::string& p) { m_pat = p; if (m_glob) m_glob->set_pattern (m_pat); } bool match (const std::string& sym); private: std::string m_pat; std::unique_ptr<glob_match> m_glob; }; #endif