fresh start

1 files changed, 105 insertions, 0 deletions

diff --git a/client/cmd_line_parser.h b/client/cmd_line_parser.h
new file mode 100644
index 00000000..6b48e04a
--- /dev/null
+++ b/client/cmd_line_parser.h
@@ -0,0 +1,105 @@
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _H_CMD_LINE_PARSER
+#define _H_CMD_LINE_PARSER
+
+class CmdLineParser {
+public:
+
+    enum {
+        OPTION_ERROR = -1,
+        OPTION_DONE = 0,
+        OPTION_HELP = 256,
+        OPTION_FIRST_AVILABLE,
+    };
+
+    CmdLineParser(std::string description, bool allow_positional_args);
+    virtual ~CmdLineParser();
+
+    void add(int id, const std::string& name, const std::string& help,
+             char short_name = 0);
+
+    void add(int id, const std::string& name, const std::string& help,
+             const std::string& arg_name, bool reqired_arg, char short_name = 0);
+    void set_multi(int id, char seperator);
+    void set_reqired(int id);
+
+    void begin(int argc, char** argv);
+    int get_option(char** val);
+    char* next_argument();
+    bool is_set(int id);
+
+    void show_help();
+
+private:
+    class Option;
+
+    enum OptionType {
+        NO_ARGUMENT,
+        OPTIONAL_ARGUMENT,
+        REQUIRED_ARGUMENT,
+    };
+
+    void add_private(int id, const std::string& name, char short_name, OptionType type,
+                     const std::string& help, const std::string& arg_name);
+    Option* find(char short_name);
+    Option* find(int id);
+    Option* find(const std::string& name);
+    Option* find_missing_opt();
+
+    void build();
+
+    char* start_multi(char *optarg, char seperator);
+    char* next_multi();
+
+private:
+
+    class Option {
+    public:
+        Option(int in_id, const std::string& in_name, char in_short_name, OptionType in_type,
+               const std::string& in_help, const std::string& arg_name);
+
+    public:
+        int id;
+        std::string name;
+        std::string arg_name;
+        OptionType type;
+        char short_name;
+        std::string help;
+        bool optional;
+        bool is_set;
+        char seperator;
+    };
+
+    std::string _description;
+    std::vector<struct option> _long_options;
+    std::string _short_options;
+
+    typedef std::list<Option*> Options;
+    Options _options;
+    int _argc;
+    char** _argv;
+    char* _multi_args;
+    char* _multi_next;
+    char _multi_seperator;
+    bool _positional_args;
+    bool _done;
+};
+
+#endif
+