1 | #ifndef POSIX_TIME_PRE133_OPERATORS_HPP___ |
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2 | #define POSIX_TIME_PRE133_OPERATORS_HPP___ |
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3 | |
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4 | /* Copyright (c) 2002-2004 CrystalClear Software, Inc. |
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5 | * Use, modification and distribution is subject to the |
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6 | * Boost Software License, Version 1.0. (See accompanying |
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7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
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8 | * Author: Jeff Garland, Bart Garst |
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9 | * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
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10 | */ |
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11 | |
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12 | /*! @file posix_time_pre133_operators.hpp |
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13 | * These input and output operators are for use with the |
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14 | * pre 1.33 version of the date_time libraries io facet code. |
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15 | * The operators used in version 1.33 and later can be found |
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16 | * in posix_time_io.hpp */ |
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17 | |
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18 | #include <iostream> |
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19 | #include <string> |
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20 | #include <sstream> |
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21 | #include "boost/date_time/compiler_config.hpp" |
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22 | #include "boost/date_time/gregorian/gregorian.hpp" |
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23 | #include "boost/date_time/posix_time/posix_time_duration.hpp" |
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24 | #include "boost/date_time/posix_time/ptime.hpp" |
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25 | #include "boost/date_time/posix_time/time_period.hpp" |
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26 | #include "boost/date_time/time_parsing.hpp" |
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27 | |
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28 | namespace boost { |
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29 | namespace posix_time { |
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30 | |
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31 | |
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32 | //The following code is removed for configurations with poor std::locale support (eg: MSVC6, gcc 2.9x) |
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33 | #ifndef BOOST_DATE_TIME_NO_LOCALE |
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34 | #if defined(USE_DATE_TIME_PRE_1_33_FACET_IO) |
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35 | //! ostream operator for posix_time::time_duration |
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36 | template <class charT, class traits> |
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37 | inline |
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38 | std::basic_ostream<charT, traits>& |
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39 | operator<<(std::basic_ostream<charT, traits>& os, const time_duration& td) |
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40 | { |
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41 | typedef boost::date_time::ostream_time_duration_formatter<time_duration, charT> duration_formatter; |
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42 | duration_formatter::duration_put(td, os); |
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43 | return os; |
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44 | } |
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45 | |
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46 | //! ostream operator for posix_time::ptime |
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47 | template <class charT, class traits> |
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48 | inline |
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49 | std::basic_ostream<charT, traits>& |
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50 | operator<<(std::basic_ostream<charT, traits>& os, const ptime& t) |
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51 | { |
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52 | typedef boost::date_time::ostream_time_formatter<ptime, charT> time_formatter; |
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53 | time_formatter::time_put(t, os); |
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54 | return os; |
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55 | } |
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56 | |
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57 | //! ostream operator for posix_time::time_period |
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58 | template <class charT, class traits> |
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59 | inline |
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60 | std::basic_ostream<charT, traits>& |
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61 | operator<<(std::basic_ostream<charT, traits>& os, const time_period& tp) |
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62 | { |
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63 | typedef boost::date_time::ostream_time_period_formatter<time_period, charT> period_formatter; |
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64 | period_formatter::period_put(tp, os); |
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65 | return os; |
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66 | } |
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67 | #endif // USE_DATE_TIME_PRE_1_33_FACET_IO |
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68 | /******** input streaming ********/ |
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69 | template<class charT> |
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70 | inline |
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71 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_duration& td) |
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72 | { |
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73 | // need to create a std::string and parse it |
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74 | std::basic_string<charT> inp_s; |
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75 | std::stringstream out_ss; |
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76 | is >> inp_s; |
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77 | typename std::basic_string<charT>::iterator b = inp_s.begin(); |
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78 | // need to use both iterators because there is no requirement |
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79 | // for the data held by a std::basic_string<> be terminated with |
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80 | // any marker (such as '\0'). |
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81 | typename std::basic_string<charT>::iterator e = inp_s.end(); |
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82 | while(b != e){ |
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83 | out_ss << out_ss.narrow(*b, 0); |
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84 | ++b; |
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85 | } |
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86 | |
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87 | td = date_time::parse_delimited_time_duration<time_duration>(out_ss.str()); |
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88 | return is; |
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89 | } |
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90 | |
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91 | template<class charT> |
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92 | inline |
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93 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, ptime& pt) |
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94 | { |
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95 | gregorian::date d(not_a_date_time); |
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96 | time_duration td(0,0,0); |
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97 | is >> d >> td; |
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98 | pt = ptime(d, td); |
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99 | |
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100 | return is; |
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101 | } |
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102 | |
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103 | /** operator>> for time_period. time_period must be in |
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104 | * "[date time_duration/date time_duration]" format. */ |
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105 | template<class charT> |
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106 | inline |
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107 | std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_period& tp) |
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108 | { |
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109 | gregorian::date d(not_a_date_time); |
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110 | time_duration td(0,0,0); |
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111 | ptime beg(d, td); |
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112 | ptime end(beg); |
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113 | std::basic_string<charT> s; |
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114 | // get first date string and remove leading '[' |
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115 | is >> s; |
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116 | { |
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117 | std::basic_stringstream<charT> ss; |
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118 | ss << s.substr(s.find('[')+1); |
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119 | ss >> d; |
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120 | } |
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121 | // get first time_duration & second date string, remove the '/' |
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122 | // and split into 2 strings |
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123 | is >> s; |
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124 | { |
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125 | std::basic_stringstream<charT> ss; |
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126 | ss << s.substr(0, s.find('/')); |
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127 | ss >> td; |
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128 | } |
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129 | beg = ptime(d, td); |
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130 | { |
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131 | std::basic_stringstream<charT> ss; |
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132 | ss << s.substr(s.find('/')+1); |
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133 | ss >> d; |
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134 | } |
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135 | // get last time_duration and remove the trailing ']' |
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136 | is >> s; |
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137 | { |
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138 | std::basic_stringstream<charT> ss; |
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139 | ss << s.substr(0, s.find(']')); |
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140 | ss >> td; |
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141 | } |
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142 | end = ptime(d, td); |
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143 | |
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144 | tp = time_period(beg,end); |
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145 | return is; |
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146 | } |
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147 | |
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148 | |
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149 | #endif //BOOST_DATE_TIME_NO_LOCALE |
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150 | |
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151 | } } // namespaces |
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152 | |
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153 | #endif // POSIX_TIME_PRE133_OPERATORS_HPP___ |
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