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1//  (C) Copyright Gennadiy Rozental 2005-2008.
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        : $RCSfile$
9//
10//  Version     : $Revision: 49312 $
11//
12//  Description : input validation helpers implementation
13// ***************************************************************************
14
15#ifndef BOOST_RT_CLA_VALIDATION_IPP_070604GER
16#define BOOST_RT_CLA_VALIDATION_IPP_070604GER
17
18// Boost.Runtime.Parameter
19#include <boost/test/utils/runtime/config.hpp>
20
21#include <boost/test/utils/runtime/cla/argv_traverser.hpp>
22#include <boost/test/utils/runtime/cla/validation.hpp>
23#include <boost/test/utils/runtime/validation.hpp> // BOOST_RT_PARAM_NAMESPACE::logic_error
24
25// Boost
26#include <boost/test/utils/basic_cstring/io.hpp>
27
28// STL
29
30namespace boost {
31
32namespace BOOST_RT_PARAM_NAMESPACE {
33
34namespace cla {
35
36// ************************************************************************** //
37// **************           runtime::cla::validation           ************** //
38// ************************************************************************** //
39
40BOOST_RT_PARAM_INLINE void
41report_input_error( argv_traverser const& tr, format_stream& msg )
42{
43    if( tr.eoi() )
44        msg << BOOST_RT_PARAM_LITERAL( " at the end of input" );
45    else {
46        msg << BOOST_RT_PARAM_LITERAL( " in the following position: " );
47
48        if( tr.input().size() > 5 )
49            msg << tr.input().substr( 0, 5 ) << BOOST_RT_PARAM_LITERAL( "..." );
50        else
51            msg << tr.input();
52    }
53
54    throw BOOST_RT_PARAM_NAMESPACE::logic_error( msg.str() );
55}
56
57//____________________________________________________________________________//
58
59} // namespace cla
60
61} // namespace BOOST_RT_PARAM_NAMESPACE
62
63} // namespace boost
64
65#endif // BOOST_RT_CLA_VALIDATION_IPP_070604GER
66