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1 | // Copyright Vladimir Prus 2004. |
2 | // Distributed under the Boost Software License, Version 1.0. | |
3 | // (See accompanying file LICENSE_1_0.txt | |
4 | // or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #ifndef BOOST_OPTION_HPP_VP_2004_02_25 | |
7 | #define BOOST_OPTION_HPP_VP_2004_02_25 | |
8 | ||
9 | #include <boost/program_options/config.hpp> | |
10 | ||
11 | #include <string> | |
12 | #include <vector> | |
13 | ||
14 | namespace boost { namespace program_options { | |
15 | ||
16 | /** Option found in input source. | |
17 | Contains a key and a value. The key, in turn, can be a string (name of | |
18 | an option), or an integer (position in input source) \-- in case no name | |
19 | is specified. The latter is only possible for command line. | |
20 | The template parameter specifies the type of char used for storing the | |
21 | option's value. | |
22 | */ | |
23 | template<class charT> | |
24 | class basic_option { | |
25 | public: | |
26 | basic_option() | |
27 | : position_key(-1) | |
28 | , unregistered(false) | |
29 | , case_insensitive(false) | |
30 | {} | |
31 | basic_option(const std::string& xstring_key, | |
32 | const std::vector< std::string> &xvalue) | |
33 | : string_key(xstring_key) | |
34 | , value(xvalue) | |
35 | , unregistered(false) | |
36 | , case_insensitive(false) | |
37 | {} | |
38 | ||
39 | /** String key of this option. Intentionally independent of the template | |
40 | parameter. */ | |
41 | std::string string_key; | |
42 | /** Position key of this option. All options without an explicit name are | |
43 | sequentially numbered starting from 0. If an option has explicit name, | |
44 | 'position_key' is equal to -1. It is possible that both | |
45 | position_key and string_key is specified, in case name is implicitly | |
46 | added. | |
47 | */ | |
48 | int position_key; | |
49 | /** Option's value */ | |
50 | std::vector< std::basic_string<charT> > value; | |
51 | /** The original unchanged tokens this option was | |
52 | created from. */ | |
53 | std::vector< std::basic_string<charT> > original_tokens; | |
54 | /** True if option was not recognized. In that case, | |
55 | 'string_key' and 'value' are results of purely | |
56 | syntactic parsing of source. The original tokens can be | |
57 | recovered from the "original_tokens" member. | |
58 | */ | |
59 | bool unregistered; | |
60 | /** True if string_key has to be handled | |
61 | case insensitive. | |
62 | */ | |
63 | bool case_insensitive; | |
64 | }; | |
65 | typedef basic_option<char> option; | |
66 | typedef basic_option<wchar_t> woption; | |
67 | ||
68 | }} | |
69 | ||
70 | #endif |