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// $Id$ |
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/* |
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Copyright (C) 2022 Peter Johansson |
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This file is part of the yat library, http://dev.thep.lu.se/yat |
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The yat library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 3 of the |
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License, or (at your option) any later version. |
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The yat library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with yat. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <config.h> |
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#include "OptionVersion.h" |
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#include "CommandLine.h" |
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#include <cstdlib> |
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#include <iostream> |
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#include <string> |
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namespace theplu { |
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namespace yat { |
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namespace utility { |
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OptionVersion::OptionVersion (CommandLine& cmd, |
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const std::string& prog, |
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const std::string& version, |
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const std::string& copyright_year, |
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const std::vector<std::string>& authors, |
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const std::string& package, |
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const std::string& name, |
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const std::string& desc) |
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: OptionSwitch(cmd, name, desc, false), |
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prog_(prog), version_(version), copyright_year_(copyright_year), |
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authors_(authors), package_(package) |
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{ |
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std::ostringstream os; |
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print(os, authors_, 14); |
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copyright_holder_ = os.str(); |
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license_ = "License GPLv3+: GNU GPL version 3 or later " |
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"<https://gnu.org/licenses/gpl.html>.\n" |
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"This is free software: you are free to change and redistribute it.\n" |
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"There is NO WARRANTY, to the extent permitted by law.\n"; |
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} |
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std::string& OptionVersion::copyright_holder(void) |
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{ |
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return copyright_holder_; |
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} |
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std::string& OptionVersion::license(void) |
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{ |
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return license_; |
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} |
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void OptionVersion::do_parse2(std::vector<std::string>::iterator first, |
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std::vector<std::string>::iterator last) |
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{ |
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std::cout << prog_ << " "; |
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if (package_ != "") |
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std::cout << "(" << package_ << ") "; |
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std::cout << version_ << "\n"; |
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std::cout << "Copyright (C) " << copyright_year_ << " " |
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<< copyright_holder_ << "\n"; |
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std::cout << license_; |
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std::ostringstream os; |
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print(os, authors_, 14); |
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if (os.str() != copyright_holder_) |
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std::cout << "\nWritten by "; |
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print(os, authors_, 11); |
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std::cout << "\n"; |
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exit(EXIT_SUCCESS); |
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} |
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void OptionVersion::print(std::ostream& os, |
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const std::vector<std::string>& names, |
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size_t offset) const |
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{ |
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for (size_t i=0; i<names.size(); ++i) { |
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if (i+1 == names.size()) |
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print(os, " and ", offset); |
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else if (i) |
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print(os, ", ", offset); |
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print(os, names[i], offset); |
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} |
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} |
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void OptionVersion::print(std::ostream& os, const std::string& str, |
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size_t& offset) const |
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{ |
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if (offset + str.size() > 80) { |
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os << "\n"; |
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size_t skip = str.find_first_not_of(" "); |
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os << str.substr(skip); |
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offset = str.size() - skip; |
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} |
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else { |
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os << str; |
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offset += str.size(); |
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} |
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} |
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}}} // of namespace utility, yat, and theplu |