Mercurial > octave
view liboctave/util/file-info.h @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
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/* Copyright (C) 2001-2020 The Octave Project Developers See the file COPYRIGHT.md in the top-level directory of this distribution or <https://octave.org/COPYRIGHT.html/>. 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_file_info_h) #define octave_file_info_h 1 #include "octave-config.h" #include <deque> #include <map> #include <string> #include <vector> #include "oct-time.h" namespace octave { class file_info { public: file_info (void) : m_file_buf (), m_offsets (), m_timestamp (static_cast<time_t> (0)) { } file_info (const std::string& text, const sys::time& timestamp) : m_file_buf (text), m_offsets (get_line_offsets (m_file_buf)), m_timestamp (timestamp) { } file_info (const std::string& fname) : m_file_buf (snarf_file (fname)), m_offsets (get_line_offsets (m_file_buf)), m_timestamp () { } file_info (const file_info&) = default; file_info& operator = (const file_info&) = default; ~file_info (void) = default; std::string get_line (size_t line) const; std::deque<std::string> get_lines (size_t line, size_t num_lines) const; size_t num_lines (void) const { return m_offsets.size (); } std::string text (void) const { return m_file_buf; } std::vector<size_t> line_offsets (void) const { return m_offsets; } sys::time timestamp (void) const { return m_timestamp; } size_t size (void) const { return m_file_buf.length (); } private: // File contents as a string. std::string m_file_buf; // Offsets to line beginnings. std::vector<size_t> m_offsets; sys::time m_timestamp; // Read entire file called fname and return the contents as a string static std::string snarf_file (const std::string& fname); static std::vector<size_t> get_line_offsets (const std::string& buf); }; } #endif