/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsTime_h__ #define nsTime_h__ #include "prtime.h" #include "nsInt64.h" #include "nscore.h" /** * This class encapsulates full 64-bit time functionality and * provides simple arithmetic and conversion operations. */ // If you ever decide that you need to add a non-inline method to this // class, be sure to change the class declaration to "class NS_BASE // nsTime". class nsTime { public: //XXX should be private nsInt64 mValue; public: /** * Construct the current time. */ nsTime(void) : mValue(PR_Now()) { } /** * Construct the time from a string. */ nsTime(const char* dateStr, PRBool defaultToGMT) { PRInt64 theTime; PRStatus status = PR_ParseTimeString(dateStr, defaultToGMT, &theTime); if (status == PR_SUCCESS) mValue = theTime; else mValue = LL_ZERO; } /** * Construct a time from a PRTime. */ nsTime(const PRTime aTime) : mValue(aTime) { } /** * Construct a time from a 64-bit value. */ nsTime(const nsInt64& aTime) : mValue(aTime) { } /** * Construct a time from another time. */ nsTime(const nsTime& aTime) : mValue(aTime.mValue) { } // ~nsTime(void) -- XXX destructor unnecessary /** * Assign one time to another. */ const nsTime& operator =(const nsTime& aTime) { mValue = aTime.mValue; return *this; } /** * Convert a nsTime object to a PRTime */ operator PRTime(void) const { return mValue; } // Arithmetic operators /** * Subtract a 64-bit interval from a time. */ nsTime& operator -=(const nsInt64& aInterval) { mValue -= aInterval; return *this; } /** * Add a 64-bit interval to a time. */ nsTime& operator +=(const nsInt64& aInterval) { mValue += aInterval; return *this; } // Comparison operators friend const PRBool operator ==(const nsTime& aTime1, const nsTime& aTime2); friend const PRBool operator !=(const nsTime& aTime1, const nsTime& aTime2); friend const PRBool operator <(const nsTime& aTime1, const nsTime& aTime2); friend const PRBool operator <=(const nsTime& aTime1, const nsTime& aTime2); friend const PRBool operator >(const nsTime& aTime1, const nsTime& aTime2); friend const PRBool operator >=(const nsTime& aTime1, const nsTime& aTime2); }; /** * Binary addition to add a 64-bit interval to a time. */ inline const nsTime operator +(const nsTime& aTime, const nsInt64& aInterval) { return nsTime(aTime.mValue + aInterval); } /** * Binary subtraction to subtract a 64-bit interval to a time. */ inline const nsTime operator -(const nsTime& aTime, const nsInt64& aInterval) { return nsTime(aTime.mValue - aInterval); } /** * Binary subtraction to compute an interval from the difference of two times. */ inline const nsInt64 operator -(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue - aTime2.mValue; } /** * Determine if two times are equal */ inline const PRBool operator ==(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue == aTime2.mValue; } /** * Determine if two times are different */ inline const PRBool operator !=(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue != aTime2.mValue; } /** * Determine if one time is strictly less than another */ inline const PRBool operator <(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue < aTime2.mValue; } /** * Determine if one time is less than or equal to another */ inline const PRBool operator <=(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue <= aTime2.mValue; } /** * Determine if one time is strictly greater than another */ inline const PRBool operator >(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue > aTime2.mValue; } /** * Determine if one time is greater than or equal to another */ inline const PRBool operator >=(const nsTime& aTime1, const nsTime& aTime2) { return aTime1.mValue >= aTime2.mValue; } #endif // nsTime_h__