1/* boost random/vector_io.hpp header file
2 *
3 * Copyright Steven Watanabe 2011
4 * Distributed under the Boost Software License, Version 1.0. (See
5 * accompanying file LICENSE_1_0.txt or copy at
6 * http://www.boost.org/LICENSE_1_0.txt)
7 *
8 * See http://www.boost.org for most recent version including documentation.
9 *
10 * $Id$
11 */
12
13#ifndef BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
14#define BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
15
16#include <vector>
17#include <iosfwd>
18#include <istream>
19
20namespace boost {
21namespace random {
22namespace detail {
23
24template<class CharT, class Traits, class T>
25void print_vector(std::basic_ostream<CharT, Traits>& os,
26 const std::vector<T>& vec)
27{
28 typename std::vector<T>::const_iterator
29 iter = vec.begin(),
30 end = vec.end();
31 os << os.widen('[');
32 if(iter != end) {
33 os << *iter;
34 ++iter;
35 for(; iter != end; ++iter)
36 {
37 os << os.widen(' ') << *iter;
38 }
39 }
40 os << os.widen(']');
41}
42
43template<class CharT, class Traits, class T>
44void read_vector(std::basic_istream<CharT, Traits>& is, std::vector<T>& vec)
45{
46 CharT ch;
47 if(!(is >> ch)) {
48 return;
49 }
50 if(ch != is.widen('[')) {
51 is.putback(ch);
52 is.setstate(std::ios_base::failbit);
53 return;
54 }
55 T val;
56 while(is >> std::ws >> val) {
57 vec.push_back(val);
58 }
59 if(is.fail()) {
60 is.clear();
61 if(!(is >> ch)) {
62 return;
63 }
64 if(ch != is.widen(']')) {
65 is.putback(ch);
66 is.setstate(std::ios_base::failbit);
67 }
68 }
69}
70
71}
72}
73}
74
75#endif // BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
76