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