xref: /netbsd-src/external/bsd/kyua-cli/dist/utils/cmdline/parser.ipp (revision 6b3a42af15b5e090c339512c790dd68f3d11a9d8)
1*6b3a42afSjmmv// Copyright 2010 Google Inc.
2*6b3a42afSjmmv// All rights reserved.
3*6b3a42afSjmmv//
4*6b3a42afSjmmv// Redistribution and use in source and binary forms, with or without
5*6b3a42afSjmmv// modification, are permitted provided that the following conditions are
6*6b3a42afSjmmv// met:
7*6b3a42afSjmmv//
8*6b3a42afSjmmv// * Redistributions of source code must retain the above copyright
9*6b3a42afSjmmv//   notice, this list of conditions and the following disclaimer.
10*6b3a42afSjmmv// * Redistributions in binary form must reproduce the above copyright
11*6b3a42afSjmmv//   notice, this list of conditions and the following disclaimer in the
12*6b3a42afSjmmv//   documentation and/or other materials provided with the distribution.
13*6b3a42afSjmmv// * Neither the name of Google Inc. nor the names of its contributors
14*6b3a42afSjmmv//   may be used to endorse or promote products derived from this software
15*6b3a42afSjmmv//   without specific prior written permission.
16*6b3a42afSjmmv//
17*6b3a42afSjmmv// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*6b3a42afSjmmv// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*6b3a42afSjmmv// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20*6b3a42afSjmmv// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21*6b3a42afSjmmv// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22*6b3a42afSjmmv// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23*6b3a42afSjmmv// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24*6b3a42afSjmmv// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25*6b3a42afSjmmv// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26*6b3a42afSjmmv// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27*6b3a42afSjmmv// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*6b3a42afSjmmv
29*6b3a42afSjmmv#if !defined(UTILS_CMDLINE_PARSER_IPP)
30*6b3a42afSjmmv#define UTILS_CMDLINE_PARSER_IPP
31*6b3a42afSjmmv
32*6b3a42afSjmmv#include "utils/cmdline/parser.hpp"
33*6b3a42afSjmmv
34*6b3a42afSjmmv
35*6b3a42afSjmmv/// Gets the value of an option.
36*6b3a42afSjmmv///
37*6b3a42afSjmmv/// If the option has been specified multiple times on the command line, this
38*6b3a42afSjmmv/// only returns the last value.  This is the traditional behavior.
39*6b3a42afSjmmv///
40*6b3a42afSjmmv/// The option must support arguments.  Otherwise, a call to this function will
41*6b3a42afSjmmv/// not compile because the option type will lack the definition of some fields
42*6b3a42afSjmmv/// and/or methods.
43*6b3a42afSjmmv///
44*6b3a42afSjmmv/// \param name The option to query.
45*6b3a42afSjmmv///
46*6b3a42afSjmmv/// \return The value of the option converted to the appropriate type.
47*6b3a42afSjmmv///
48*6b3a42afSjmmv/// \pre has_option(name) must be true.
49*6b3a42afSjmmvtemplate< typename Option > typename Option::option_type
50*6b3a42afSjmmvutils::cmdline::parsed_cmdline::get_option(const std::string& name) const
51*6b3a42afSjmmv{
52*6b3a42afSjmmv    const std::vector< std::string >& raw_values = get_option_raw(name);
53*6b3a42afSjmmv    return Option::convert(raw_values[raw_values.size() - 1]);
54*6b3a42afSjmmv}
55*6b3a42afSjmmv
56*6b3a42afSjmmv
57*6b3a42afSjmmv/// Gets the values of an option that supports repetition.
58*6b3a42afSjmmv///
59*6b3a42afSjmmv/// The option must support arguments.  Otherwise, a call to this function will
60*6b3a42afSjmmv/// not compile because the option type will lack the definition of some fields
61*6b3a42afSjmmv/// and/or methods.
62*6b3a42afSjmmv///
63*6b3a42afSjmmv/// \param name The option to query.
64*6b3a42afSjmmv///
65*6b3a42afSjmmv/// \return The values of the option converted to the appropriate type.
66*6b3a42afSjmmv///
67*6b3a42afSjmmv/// \pre has_option(name) must be true.
68*6b3a42afSjmmvtemplate< typename Option > std::vector< typename Option::option_type >
69*6b3a42afSjmmvutils::cmdline::parsed_cmdline::get_multi_option(const std::string& name) const
70*6b3a42afSjmmv{
71*6b3a42afSjmmv    std::vector< typename Option::option_type > values;
72*6b3a42afSjmmv
73*6b3a42afSjmmv    const std::vector< std::string >& raw_values = get_option_raw(name);
74*6b3a42afSjmmv    for (std::vector< std::string >::const_iterator iter = raw_values.begin();
75*6b3a42afSjmmv         iter != raw_values.end(); iter++) {
76*6b3a42afSjmmv        values.push_back(Option::convert(*iter));
77*6b3a42afSjmmv    }
78*6b3a42afSjmmv
79*6b3a42afSjmmv    return values;
80*6b3a42afSjmmv}
81*6b3a42afSjmmv
82*6b3a42afSjmmv
83*6b3a42afSjmmv#endif  // !defined(UTILS_CMDLINE_PARSER_IPP)
84