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2022-10-20 20:29:11 +08:00
commit 4d531f8044
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+// ArgumentParser.hxx -- flightgear viewer argument parser
+//
+// Copyright (C) 2021 by Erik Hofman
+//
+// 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 2 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, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+#pragma once
+
+#include <vector>
+#include <map>
+
+#include <osg/ArgumentParser>
+
+class ArgumentParser
+{
+public:
+    ArgumentParser(int argc, char **argv);
+    ~ArgumentParser() = default;
+
+    bool read(const char *arg);
+    bool read(const char *arg, std::string& value);
+    bool read(const char *arg, std::string& name, std::string& value);
+
+    int argc() { return files.size(); }
+    std::string& getApplicationName() { return appName; }
+
+    void reportRemainingOptionsAsUnrecognized();
+    void writeErrorMessages(std::ostream& output);
+
+    osg::ArgumentParser& osg() { return arguments; }
+
+    operator std::vector<std::string>&() { return files; }
+
+private:
+    int arg_num;
+    char **arg_values;
+    std::string appName;
+
+    std::vector<std::string> errors;
+    std::map<std::string, std::string> args;
+    std::vector<std::string> files;
+
+    osg::ArgumentParser arguments;
+};
+