+++ /dev/null
-///////////////////////////////////////////////////////////////////////////////\r
-//\r
-// File : $Id: date.cpp,v 1.1 2007/05/05 17:00:42 faust Exp $\r
-// Subject : IBPP, Date class implementation\r
-//\r
-///////////////////////////////////////////////////////////////////////////////\r
-//\r
-// (C) Copyright 2000-2006 T.I.P. Group S.A. and the IBPP Team (www.ibpp.org)\r
-//\r
-// The contents of this file are subject to the IBPP License (the "License");\r
-// you may not use this file except in compliance with the License. You may\r
-// obtain a copy of the License at http://www.ibpp.org or in the 'license.txt'\r
-// file which must have been distributed along with this file.\r
-//\r
-// This software, distributed under the License, is distributed on an "AS IS"\r
-// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the\r
-// License for the specific language governing rights and limitations\r
-// under the License.\r
-//\r
-///////////////////////////////////////////////////////////////////////////////\r
-//\r
-// COMMENTS\r
-// * Tabulations should be set every four characters when editing this file.\r
-//\r
-///////////////////////////////////////////////////////////////////////////////\r
-\r
-#ifdef _MSC_VER\r
-#pragma warning(disable: 4786 4996)\r
-#ifndef _DEBUG\r
-#pragma warning(disable: 4702)\r
-#endif\r
-#endif\r
-\r
-#include "_ibpp.h"\r
-\r
-#ifdef HAS_HDRSTOP\r
-#pragma hdrstop\r
-#endif\r
-\r
-#include <time.h> // Can't use <ctime> thanks to MSVC6 buggy library\r
-\r
-using namespace ibpp_internals;\r
-\r
-void IBPP::Date::Today()\r
-{\r
- time_t systime = time(0);\r
- tm* loctime = localtime(&systime);\r
-\r
- if (! IBPP::itod(&mDate, loctime->tm_year + 1900,\r
- loctime->tm_mon + 1, loctime->tm_mday))\r
- throw LogicExceptionImpl("Date::Today", _("Out of range"));\r
-}\r
-\r
-void IBPP::Date::SetDate(int dt)\r
-{\r
- if (! IBPP::dtoi(dt, 0, 0, 0))\r
- throw LogicExceptionImpl("Date::SetDate", _("Out of range"));\r
- mDate = dt;\r
-}\r
-\r
-void IBPP::Date::SetDate(int year, int month, int day)\r
-{\r
- if (! IBPP::itod(&mDate, year, month, day))\r
- throw LogicExceptionImpl("Date::SetDate", _("Out of range"));\r
-}\r
-\r
-void IBPP::Date::GetDate(int& year, int& month, int& day) const\r
-{\r
- if (! IBPP::dtoi(mDate, &year, &month, &day))\r
- throw LogicExceptionImpl("Date::GetDate", _("Out of range"));\r
-}\r
-\r
-int IBPP::Date::Year() const\r
-{\r
- int year;\r
- if (! IBPP::dtoi(mDate, &year, 0, 0))\r
- throw LogicExceptionImpl("Date::Year", _("Out of range"));\r
- return year;\r
-}\r
-\r
-int IBPP::Date::Month() const\r
-{\r
- int month;\r
- if (! IBPP::dtoi(mDate, 0, &month, 0))\r
- throw LogicExceptionImpl("Date::Month", _("Out of range"));\r
- return month;\r
-}\r
-\r
-int IBPP::Date::Day() const\r
-{\r
- int day;\r
- if (! IBPP::dtoi(mDate, 0, 0, &day))\r
- throw LogicExceptionImpl("Date::Day", _("Out of range"));\r
- return day;\r
-}\r
-\r
-void IBPP::Date::Add(int days)\r
-{\r
- int newdate = mDate + days; // days can be signed\r
- if (! IBPP::dtoi(newdate, 0, 0, 0))\r
- throw LogicExceptionImpl("Date::Add()", _("Out of range"));\r
- mDate = newdate;\r
-}\r
-\r
-void IBPP::Date::StartOfMonth()\r
-{\r
- int year, month;\r
- if (! IBPP::dtoi(mDate, &year, &month, 0))\r
- throw LogicExceptionImpl("Date::StartOfMonth()", _("Out of range"));\r
- if (! IBPP::itod(&mDate, year, month, 1)) // First of same month\r
- throw LogicExceptionImpl("Date::StartOfMonth()", _("Out of range"));\r
-}\r
-\r
-void IBPP::Date::EndOfMonth()\r
-{\r
- int year, month;\r
- if (! IBPP::dtoi(mDate, &year, &month, 0))\r
- throw LogicExceptionImpl("Date::EndOfMonth()", _("Out of range"));\r
- if (++month > 12) { month = 1; year++; }\r
- if (! IBPP::itod(&mDate, year, month, 1)) // First of next month\r
- throw LogicExceptionImpl("Date::EndOfMonth()", _("Out of range"));\r
- mDate--; // Last day of original month, all weird cases accounted for\r
-}\r
-\r
-IBPP::Date::Date(int year, int month, int day)\r
-{\r
- SetDate(year, month, day);\r
-}\r
-\r
-IBPP::Date::Date(const IBPP::Date& copied)\r
-{\r
- mDate = copied.mDate;\r
-}\r
-\r
-IBPP::Date& IBPP::Date::operator=(const IBPP::Timestamp& assigned)\r
-{\r
- mDate = assigned.GetDate();\r
- return *this;\r
-}\r
-\r
-IBPP::Date& IBPP::Date::operator=(const IBPP::Date& assigned)\r
-{\r
- mDate = assigned.mDate;\r
- return *this;\r
-}\r
-\r
-// The following date calculations were inspired by web pages found on\r
-// Peter Baum web homepage at 'http://www.capecod.net/~pbaum/'.\r
-// His contact info is at : 'http://home.capecod.net/~pbaum/contact.htm'.\r
-// Please, understand that Peter Baum is not related to this IBPP project.\r
-// So __please__, do not contact him regarding IBPP matters.\r
-\r
-// Take a date, in its integer format as used in IBPP internals and splits\r
-// it in year (4 digits), month (1-12), day (1-31)\r
-\r
-bool IBPP::dtoi (int date, int *y, int *m, int *d)\r
-{\r
- int RataDie, Z, H, A, B, C;\r
- int year, month, day;\r
-\r
- // Validity control.\r
- if (date < IBPP::MinDate || date > IBPP::MaxDate)\r
- return false;\r
-\r
- // The "Rata Die" is the date specified as the number of days elapsed since\r
- // 31 Dec of year 0. So 1 Jan 0001 is 1.\r
-\r
- RataDie = date + ibpp_internals::consts::Dec31_1899; // Because IBPP sets the '0' on 31 Dec 1899.\r
-\r
- Z = RataDie + 306;\r
- H = 100*Z - 25;\r
- A = H/3652425;\r
- B = A - A/4;\r
- year = (100*B + H) / 36525;\r
- C = B + Z - 365*year - year / 4;\r
- month = (5*C + 456) / 153;\r
- day = C - (153*month - 457) / 5;\r
- if (month > 12) { year += 1; month -= 12; }\r
-\r
- if (y != 0) *y = (int)year;\r
- if (m != 0) *m = (int)month;\r
- if (d != 0) *d = (int)day;\r
-\r
- return true;\r
-}\r
-\r
-// Take a date from its components year, month, day and convert it to the\r
-// integer representation used internally in IBPP.\r
-\r
-bool IBPP::itod (int *pdate, int year, int month, int day)\r
-{\r
- int RataDie, result;\r
- int y, m, d;\r
-\r
- d = day; m = month; y = year;\r
- if (m < 3) { m += 12; y -= 1; }\r
- RataDie = d + (153*m - 457) / 5 + 365*y + y/4 - y/100 + y/400 - 306;\r
-\r
- result = RataDie - ibpp_internals::consts::Dec31_1899; // Because IBPP sets the '0' on 31 Dec 1899\r
-\r
- // Validity control\r
- if (result < IBPP::MinDate || result > IBPP::MaxDate)\r
- return false;\r
-\r
- *pdate = result;\r
- return true;\r
-}\r
-\r
-// Eof\r
git.stg.codes / stg.git / blobdiff