1 | #ifndef POSIX_TIME_PRE133_OPERATORS_HPP___ |
2 | #define POSIX_TIME_PRE133_OPERATORS_HPP___ |
3 | |
4 | /* Copyright (c) 2002-2004 CrystalClear Software, Inc. |
5 | * Use, modification and distribution is subject to the |
6 | * Boost Software License, Version 1.0. (See accompanying |
7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
8 | * Author: Jeff Garland, Bart Garst |
9 | * $Date$ |
10 | */ |
11 | |
12 | /*! @file posix_time_pre133_operators.hpp |
13 | * These input and output operators are for use with the |
14 | * pre 1.33 version of the date_time libraries io facet code. |
15 | * The operators used in version 1.33 and later can be found |
16 | * in posix_time_io.hpp */ |
17 | |
18 | #include <iostream> |
19 | #include <string> |
20 | #include <sstream> |
21 | #include "boost/date_time/compiler_config.hpp" |
22 | #include "boost/date_time/gregorian/gregorian.hpp" |
23 | #include "boost/date_time/posix_time/posix_time_duration.hpp" |
24 | #include "boost/date_time/posix_time/ptime.hpp" |
25 | #include "boost/date_time/posix_time/time_period.hpp" |
26 | #include "boost/date_time/time_parsing.hpp" |
27 | |
28 | namespace boost { |
29 | namespace posix_time { |
30 | |
31 | |
32 | //The following code is removed for configurations with poor std::locale support (eg: MSVC6, gcc 2.9x) |
33 | #ifndef BOOST_DATE_TIME_NO_LOCALE |
34 | #if defined(USE_DATE_TIME_PRE_1_33_FACET_IO) |
35 | //! ostream operator for posix_time::time_duration |
36 | template <class charT, class traits> |
37 | inline |
38 | std::basic_ostream<charT, traits>& |
39 | operator<<(std::basic_ostream<charT, traits>& os, const time_duration& td) |
40 | { |
41 | typedef boost::date_time::ostream_time_duration_formatter<time_duration, charT> duration_formatter; |
42 | duration_formatter::duration_put(td, os); |
43 | return os; |
44 | } |
45 | |
46 | //! ostream operator for posix_time::ptime |
47 | template <class charT, class traits> |
48 | inline |
49 | std::basic_ostream<charT, traits>& |
50 | operator<<(std::basic_ostream<charT, traits>& os, const ptime& t) |
51 | { |
52 | typedef boost::date_time::ostream_time_formatter<ptime, charT> time_formatter; |
53 | time_formatter::time_put(t, os); |
54 | return os; |
55 | } |
56 | |
57 | //! ostream operator for posix_time::time_period |
58 | template <class charT, class traits> |
59 | inline |
60 | std::basic_ostream<charT, traits>& |
61 | operator<<(std::basic_ostream<charT, traits>& os, const time_period& tp) |
62 | { |
63 | typedef boost::date_time::ostream_time_period_formatter<time_period, charT> period_formatter; |
64 | period_formatter::period_put(tp, os); |
65 | return os; |
66 | } |
67 | #endif // USE_DATE_TIME_PRE_1_33_FACET_IO |
68 | /******** input streaming ********/ |
69 | template<class charT> |
70 | inline |
71 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_duration& td) |
72 | { |
73 | // need to create a std::string and parse it |
74 | std::basic_string<charT> inp_s; |
75 | std::stringstream out_ss; |
76 | is >> inp_s; |
77 | typename std::basic_string<charT>::iterator b = inp_s.begin(); |
78 | // need to use both iterators because there is no requirement |
79 | // for the data held by a std::basic_string<> be terminated with |
80 | // any marker (such as '\0'). |
81 | typename std::basic_string<charT>::iterator e = inp_s.end(); |
82 | while(b != e){ |
83 | out_ss << is.narrow(*b, 0); |
84 | ++b; |
85 | } |
86 | |
87 | td = date_time::parse_delimited_time_duration<time_duration>(s: out_ss.str()); |
88 | return is; |
89 | } |
90 | |
91 | template<class charT> |
92 | inline |
93 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, ptime& pt) |
94 | { |
95 | gregorian::date d(not_a_date_time); |
96 | time_duration td(0,0,0); |
97 | is >> d >> td; |
98 | pt = ptime(d, td); |
99 | |
100 | return is; |
101 | } |
102 | |
103 | /** operator>> for time_period. time_period must be in |
104 | * "[date time_duration/date time_duration]" format. */ |
105 | template<class charT> |
106 | inline |
107 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_period& tp) |
108 | { |
109 | gregorian::date d(not_a_date_time); |
110 | time_duration td(0,0,0); |
111 | ptime beg(d, td); |
112 | ptime end(beg); |
113 | std::basic_string<charT> s; |
114 | // get first date string and remove leading '[' |
115 | is >> s; |
116 | { |
117 | std::basic_stringstream<charT> ss; |
118 | ss << s.substr(s.find('[')+1); |
119 | ss >> d; |
120 | } |
121 | // get first time_duration & second date string, remove the '/' |
122 | // and split into 2 strings |
123 | is >> s; |
124 | { |
125 | std::basic_stringstream<charT> ss; |
126 | ss << s.substr(0, s.find('/')); |
127 | ss >> td; |
128 | } |
129 | beg = ptime(d, td); |
130 | { |
131 | std::basic_stringstream<charT> ss; |
132 | ss << s.substr(s.find('/')+1); |
133 | ss >> d; |
134 | } |
135 | // get last time_duration and remove the trailing ']' |
136 | is >> s; |
137 | { |
138 | std::basic_stringstream<charT> ss; |
139 | ss << s.substr(0, s.find(']')); |
140 | ss >> td; |
141 | } |
142 | end = ptime(d, td); |
143 | |
144 | tp = time_period(beg,end); |
145 | return is; |
146 | } |
147 | |
148 | |
149 | #endif //BOOST_DATE_TIME_NO_LOCALE |
150 | |
151 | } } // namespaces |
152 | |
153 | #endif // POSIX_TIME_PRE133_OPERATORS_HPP___ |
154 | |