123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
/*
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* Copyright (c) 2003-2007, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TIMES_H
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#define _TIMES_H
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namespace ledger {
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#define SUPPORT_DATE_AND_TIME 1
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#ifdef SUPPORT_DATE_AND_TIME
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typedef boost::posix_time::ptime moment_t;
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typedef moment_t::time_duration_type duration_t;
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inline bool is_valid_moment(const moment_t& moment) {
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return ! moment.is_not_a_date_time();
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}
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#else // SUPPORT_DATE_AND_TIME
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typedef boost::gregorian::date moment_t;
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typedef boost::gregorian::date_duration duration_t;
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inline bool is_valid_moment(const moment_t& moment) {
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return ! moment.is_not_a_date();
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}
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#endif // SUPPORT_DATE_AND_TIME
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extern const moment_t& now;
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DECLARE_EXCEPTION(datetime_error);
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class interval_t
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{
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public:
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interval_t() {}
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interval_t(const string&) {}
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operator bool() const {
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return false;
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}
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void start(const moment_t&) {}
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moment_t next() const { return moment_t(); }
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void parse(std::istream&) {}
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};
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#if 0
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inline moment_t ptime_local_to_utc(const moment_t& when) {
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struct std::tm tm_gmt = to_tm(when);
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return boost::posix_time::from_time_t(std::mktime(&tm_gmt));
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}
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// jww (2007-04-18): I need to make a general parsing function
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// instead, and then make these into private methods.
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inline moment_t ptime_from_local_date_string(const string& date_string) {
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return ptime_local_to_utc(moment_t(boost::gregorian::from_string(date_string),
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time_duration()));
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}
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inline moment_t ptime_from_local_time_string(const string& time_string) {
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return ptime_local_to_utc(boost::posix_time::time_from_string(time_string));
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}
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#endif
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moment_t parse_datetime(const char * str);
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inline moment_t parse_datetime(const string& str) {
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return parse_datetime(str.c_str());
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}
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extern const ptime time_now;
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extern const date date_now;
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extern bool day_before_month;
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#if 0
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struct intorchar
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{
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int ival;
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string sval;
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intorchar() : ival(-1) {}
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intorchar(int val) : ival(val) {}
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intorchar(const string& val) : ival(-1), sval(val) {}
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intorchar(const intorchar& o) : ival(o.ival), sval(o.sval) {}
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};
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ledger::moment_t parse_abs_datetime(std::istream& input);
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#endif
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} // namespace ledger
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#endif // _TIMES_H
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