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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/CLCommandLine.hpp
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+/*************************************************************************
+** CLCommandLine.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** This program 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. **
+** **
+** This program 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 this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef CL_COMMANDLINE_HPP
+#define CL_COMMANDLINE_HPP
+
+#include <array>
+#include <ostream>
+#include <string>
+#include <sstream>
+#include <vector>
+#include "CLOption.hpp"
+#include "MessageException.hpp"
+
+namespace CL {
+
+class CommandLine {
+ public:
+ CommandLine (const char *summary, const char *usage, const char *copyright);
+ virtual ~CommandLine () =default;
+ void parse (int argc, char **argv);
+ void help (std::ostream &os, int mode=0) const;
+ void addFilename (const std::string &fname) {_files.emplace_back(fname);}
+ bool singleDashGiven () const {return _singleDashParsed;}
+ const std::vector<std::string>& filenames () const {return _files;}
+
+ protected:
+ using OptSectPair = std::pair<Option*,int>;
+ void parseShortOption (std::istringstream &is, int argc, char **argv, int &argn);
+ void parseLongOption (std::istream &is);
+ virtual std::vector<OptSectPair>& options () const =0;
+ virtual const char* section (size_t n) const {return nullptr;}
+ Option* lookupOption (char optchar) const;
+ std::vector<Option*> lookupOption (const std::string &optname) const;
+
+ private:
+ const char *_summary;
+ const char *_usage;
+ const char *_copyright;
+ bool _singleDashParsed=false; ///< true if a single '-' w/o a following char was parsed
+ std::vector<std::string> _files;
+};
+
+
+struct CommandLineException : public MessageException {
+ explicit CommandLineException (const std::string &msg) : MessageException(msg) {}
+};
+
+} // namespace CL
+
+#endif
+