1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
// (C) Copyright Gennadiy Rozental 2005-2008.
// Use, modification, and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : defines parser - public interface for CLA parsing and accessing
// ***************************************************************************
#ifndef BOOST_RT_CLA_PARSER_HPP_062604GER
#define BOOST_RT_CLA_PARSER_HPP_062604GER
// Boost.Runtime.Parameter
#include <boost/test/utils/runtime/config.hpp>
#include <boost/test/utils/runtime/fwd.hpp>
#include <boost/test/utils/runtime/argument.hpp>
#include <boost/test/utils/runtime/cla/fwd.hpp>
#include <boost/test/utils/runtime/cla/modifier.hpp>
#include <boost/test/utils/runtime/cla/argv_traverser.hpp>
// Boost
#include <boost/optional.hpp>
// STL
#include <list>
namespace boost {
namespace BOOST_RT_PARAM_NAMESPACE {
namespace cla {
// ************************************************************************** //
// ************** runtime::cla::parser ************** //
// ************************************************************************** //
namespace cla_detail {
template<typename Modifier>
class global_mod_parser {
public:
global_mod_parser( parser& p, Modifier const& m )
: m_parser( p )
, m_modifiers( m )
{}
template<typename Param>
global_mod_parser const&
operator<<( shared_ptr<Param> param ) const
{
param->accept_modifier( m_modifiers );
m_parser << param;
return *this;
}
private:
// Data members;
parser& m_parser;
Modifier const& m_modifiers;
};
}
// ************************************************************************** //
// ************** runtime::cla::parser ************** //
// ************************************************************************** //
class parser {
public:
typedef std::list<parameter_ptr>::const_iterator param_iterator;
// Constructor
explicit parser( cstring program_name = cstring() );
// parameter list construction interface
parser& operator<<( parameter_ptr param );
// parser and global parameters modifiers
template<typename Modifier>
cla_detail::global_mod_parser<Modifier>
operator-( Modifier const& m )
{
nfp::optionally_assign( m_traverser.p_separator.value, m, input_separator );
nfp::optionally_assign( m_traverser.p_ignore_mismatch.value, m, ignore_mismatch_m );
return cla_detail::global_mod_parser<Modifier>( *this, m );
}
// input processing method
void parse( int& argc, char_type** argv );
// parameters access
param_iterator first_param() const;
param_iterator last_param() const;
// arguments access
const_argument_ptr operator[]( cstring string_id ) const;
cstring get( cstring string_id ) const;
template<typename T>
T const& get( cstring string_id ) const
{
return arg_value<T>( valid_argument( string_id ) );
}
template<typename T>
void get( cstring string_id, boost::optional<T>& res ) const
{
const_argument_ptr actual_arg = (*this)[string_id];
if( actual_arg )
res = arg_value<T>( *actual_arg );
else
res.reset();
}
// help/usage
void usage( out_stream& ostr );
void help( out_stream& ostr );
private:
argument const& valid_argument( cstring string_id ) const;
// Data members
argv_traverser m_traverser;
std::list<parameter_ptr> m_parameters;
dstring m_program_name;
};
//____________________________________________________________________________//
} // namespace cla
} // namespace BOOST_RT_PARAM_NAMESPACE
} // namespace boost
#ifndef BOOST_RT_PARAM_OFFLINE
# define BOOST_RT_PARAM_INLINE inline
# include <boost/test/utils/runtime/cla/parser.ipp>
#endif
#endif // BOOST_RT_CLA_PARSER_HPP_062604GER
|
