xref: /freebsd/contrib/kyua/utils/cmdline/parser.ipp (revision b0d29bc4) 
1// Copyright 2010 The Kyua Authors.
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28
29#if !defined(UTILS_CMDLINE_PARSER_IPP)
30#define UTILS_CMDLINE_PARSER_IPP
31
32#include "utils/cmdline/parser.hpp"
33
34
35/// Gets the value of an option.
36///
37/// If the option has been specified multiple times on the command line, this
38/// only returns the last value.  This is the traditional behavior.
39///
40/// The option must support arguments.  Otherwise, a call to this function will
41/// not compile because the option type will lack the definition of some fields
42/// and/or methods.
43///
44/// \param name The option to query.
45///
46/// \return The value of the option converted to the appropriate type.
47///
48/// \pre has_option(name) must be true.
49template< typename Option > typename Option::option_type
50utils::cmdline::parsed_cmdline::get_option(const std::string& name) const
51{
52    const std::vector< std::string >& raw_values = get_option_raw(name);
53    return Option::convert(raw_values[raw_values.size() - 1]);
54}
55
56
57/// Gets the values of an option that supports repetition.
58///
59/// The option must support arguments.  Otherwise, a call to this function will
60/// not compile because the option type will lack the definition of some fields
61/// and/or methods.
62///
63/// \param name The option to query.
64///
65/// \return The values of the option converted to the appropriate type.
66///
67/// \pre has_option(name) must be true.
68template< typename Option > std::vector< typename Option::option_type >
69utils::cmdline::parsed_cmdline::get_multi_option(const std::string& name) const
70{
71    std::vector< typename Option::option_type > values;
72
73    const std::vector< std::string >& raw_values = get_option_raw(name);
74    for (std::vector< std::string >::const_iterator iter = raw_values.begin();
75         iter != raw_values.end(); iter++) {
76        values.push_back(Option::convert(*iter));
77    }
78
79    return values;
80}
81
82
83#endif  // !defined(UTILS_CMDLINE_PARSER_IPP)
84