xref: /freebsd/contrib/kyua/utils/cmdline/parser.hpp (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
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28 
29 /// \file utils/cmdline/parser.hpp
30 /// Routines and data types to parse command line options and arguments.
31 
32 #if !defined(UTILS_CMDLINE_PARSER_HPP)
33 #define UTILS_CMDLINE_PARSER_HPP
34 
35 #include "utils/cmdline/parser_fwd.hpp"
36 
37 #include <map>
38 #include <string>
39 #include <vector>
40 
41 namespace utils {
42 namespace cmdline {
43 
44 
45 /// Representation of a parsed command line.
46 ///
47 /// This class is returned by the command line parsing algorithm and provides
48 /// methods to query the values of the options and the value of the arguments.
49 /// All the values fed into this class can considered to be sane (i.e. the
50 /// arguments to the options and the arguments to the command are valid), as all
51 /// validation happens during parsing (before this class is instantiated).
52 class parsed_cmdline {
53     /// Mapping of option names to all the values provided.
54     std::map< std::string, std::vector< std::string > > _option_values;
55 
56     /// Collection of arguments with all options removed.
57     args_vector _arguments;
58 
59     const std::vector< std::string >& get_option_raw(const std::string&) const;
60 
61 public:
62     parsed_cmdline(const std::map< std::string, std::vector< std::string > >&,
63                    const args_vector&);
64 
65     bool has_option(const std::string&) const;
66 
67     template< typename Option >
68     typename Option::option_type get_option(const std::string&) const;
69 
70     template< typename Option >
71     std::vector< typename Option::option_type > get_multi_option(
72         const std::string&) const;
73 
74     const args_vector& arguments(void) const;
75 };
76 
77 
78 parsed_cmdline parse(const args_vector&, const options_vector&);
79 parsed_cmdline parse(const int, const char* const*, const options_vector&);
80 
81 
82 }  // namespace cmdline
83 }  // namespace utils
84 
85 #endif  // !defined(UTILS_CMDLINE_PARSER_HPP)
86