source: NonGTP/Boost/boost/test/utils/runtime/cla/argv_traverser.hpp @ 857

Revision 857, 3.2 KB checked in by igarcia, 19 years ago (diff)
Line 
1//  (C) Copyright Gennadiy Rozental 2005.
2//  Use, modification, and distribution are subject to the
3//  Boost Software License, Version 1.0. (See accompanying file
4//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6//  See http://www.boost.org/libs/test for the library home page.
7//
8//  File        : $RCSfile: argv_traverser.hpp,v $
9//
10//  Version     : $Revision: 1.1 $
11//
12//  Description : defines facility to hide input traversing details
13// ***************************************************************************
14
15#ifndef BOOST_RT_CLA_ARGV_TRAVERSER_HPP_062604GER
16#define BOOST_RT_CLA_ARGV_TRAVERSER_HPP_062604GER
17
18// Boost.Runtime.Parameter
19#include <boost/test/utils/runtime/config.hpp>
20
21// Boost.Test
22#include <boost/test/utils/class_properties.hpp>
23
24// Boost
25#include <boost/noncopyable.hpp>
26#include <boost/shared_array.hpp>
27
28namespace boost {
29
30namespace BOOST_RT_PARAM_NAMESPACE {
31
32namespace cla {
33
34// ************************************************************************** //
35// **************          runtime::cla::argv_traverser        ************** //
36// ************************************************************************** //
37
38class argv_traverser : noncopyable {
39    class parser;
40public:
41    // Constructor
42    argv_traverser();
43
44    // public_properties
45    unit_test::readwrite_property<bool>         p_ignore_mismatch;
46    unit_test::readwrite_property<char_type>    p_separator;
47
48    // argc+argv <-> internal buffer exchange
49    void            init( int argc, char_type** argv );
50    void            remainder( int& argc, char_type** argv );
51
52    // token based parsing
53    cstring         token() const;
54    void            next_token();
55
56    // whole input parsing
57    cstring         input() const;
58    void            trim( std::size_t size );
59    bool            match_front( cstring );
60    bool            match_front( char_type c );
61    bool            eoi() const;
62
63    // transaction logic support
64    void            commit();
65    void            rollback();
66
67    // current position access; used to save some reference points in input
68    std::size_t     input_pos() const;
69
70    // returns true if mismatch detected during input parsing handled successfully
71    bool            handle_mismatch();
72
73private:
74    // Data members
75    dstring              m_buffer;
76    cstring                 m_work_buffer;
77
78    cstring                 m_token;
79    cstring::iterator       m_commited_end;
80
81    shared_array<char_type> m_remainder;
82    std::size_t             m_remainder_size;
83};
84
85} // namespace cla
86
87} // namespace BOOST_RT_PARAM_NAMESPACE
88
89} // namespace boost
90
91#ifndef BOOST_RT_PARAM_OFFLINE
92
93#  define BOOST_RT_PARAM_INLINE inline
94#  include <boost/test/utils/runtime/cla/argv_traverser.ipp>
95
96#endif
97
98// ************************************************************************** //
99//   Revision History:
100//
101//   $Log: argv_traverser.hpp,v $
102//   Revision 1.1  2005/04/12 06:42:43  rogeeff
103//   Runtime.Param library initial commit
104//
105// ************************************************************************** //
106
107#endif // BOOST_RT_CLA_ARGV_TRAVERSER_HPP_062604GER
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