LSLEditor/trunk/SecondLife/integer.cs

// /**
// ********
// *
// * ORIGINAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden
// * The code was donated on 4/28/2010 by Alphons van der Heijden
// * To Brandon 'Dimentox Travanti' Husbands & Malcolm J. Kudra, who in turn License under the GPLv2.
// * In agreement with Alphons van der Heijden's wishes.
// *
// * The community would like to thank Alphons for all of his hard work, blood sweat and tears.
// * Without his work the community would be stuck with crappy editors.
// *
// * The source code in this file ("Source Code") is provided by The LSLEditor Group
// * to you under the terms of the GNU General Public License, version 2.0
// * ("GPL"), unless you have obtained a separate licensing agreement
// * ("Other License"), formally executed by you and The LSLEditor Group.  Terms of
// * the GPL can be found in the gplv2.txt document.
// *
// ********
// * GPLv2 Header
// ********
// * LSLEditor, a External editor for the LSL Language.
// * Copyright (C) 2010 The LSLEditor Group.
// 
// * This program is free software; you can redistribute it and/or
// * modify it under the terms of the GNU General Public License
// * as published by the Free Software Foundation; either version 2
// * of the License, or (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
// ********
// *
// * The above copyright notice and this permission notice shall be included in all 
// * copies or substantial portions of the Software.
// *
// ********
// */
using System;

namespace LSLEditor
{
	public partial class SecondLife
	{
		public struct integer
		{
			public static readonly integer FALSE = new integer(0);
			public static readonly integer TRUE = new integer(1);

			private object m_value;
			private Int32 value
			{
				get
				{
					if (m_value == null) m_value = (Int32)0;
					return (Int32)m_value;
				}
				set
				{
					m_value = value;
				}
			}

			// Constructor.
			public integer(Int32 value)
			{
				this.m_value = value;
			}

			public integer(string s)
			{
				Float f = new Float(s);
				this.m_value = (Int32)f;
			}

			// Implicit conversion from bool to integer. Maps true to 
			// integer.TRUE and false to integer.FALSE:
			public static implicit operator integer(Boolean x)
			{
				return x ? TRUE : FALSE;
			}

			public static implicit operator integer(int x)
			{
				return new integer(x);
			}

			public static implicit operator integer(uint x)
			{
				return new integer((int)x);
			}

			// 3 oct 2007
			public static implicit operator integer(long x)
			{
				return new integer((int)(uint)x);
			}

			// 15 aug 2007 made explicit
			public static explicit operator integer(Double x)
			{
				return new integer((int)x);
			}

			// 15 aug 2007 made explicit
			public static explicit operator integer(Float x)
			{
				return new integer((int)x);
			}

			public static explicit operator integer(String x)
			{
				return new integer(x.ToString());
			}

			// 6 jan 2008, BlandWanderer thingy
			public static explicit operator integer(string x)
			{
				Float f = new Float(x);
				return new integer((int)(uint)f);
			}


			// Explicit conversion from integer to bool.
			// returns true when non zero else false
			public static explicit operator bool(integer x)
			{
				return (x.value != 0);
			}

			// Logical negation (NOT) operator
			public static integer operator !(integer x)
			{
				return x.value == 0 ? TRUE : FALSE;
			}

			// Bitwise AND operator
			public static integer operator &(integer x, integer y)
			{
				return new integer(x.value & y.value);
			}

			// Bitwise OR operator
			public static integer operator |(integer x, integer y)
			{
				return new integer(x.value | y.value);
			}

			// Bitwise Not operator
			public static integer operator ~(integer a)
			{
				return new integer(~a.value);
			}

			// Bitwise Xor operator
			public static integer operator ^(integer a, integer b)
			{
				return new integer(a.value ^ b.value);
			}

			// Bitwise Shift right (b must be int)
			public static integer operator >>(integer a, int b)
			{
				return new integer(a.value >> b);
			}

			// Bitwise Shift left (b must be int)
			public static integer operator <<(integer a, int b)
			{
				return new integer(a.value << b);
			}

			public static integer operator %(integer a, integer b)
			{
				return new integer(a.value % b.value);
			}


			// Definitely true operator. Returns true if the operand is 
			// !=0, false otherwise:
			public static bool operator true(integer x)
			{
				return (x.value != 0);
			}

			// Definitely false operator. Returns true if the operand is 
			// ==0, false otherwise:
			public static bool operator false(integer x)
			{
				return (x.value == 0);
			}

			public static explicit operator String(integer x)
			{
				return x.value.ToString();
			}

			// this one is needed by the compiler
			public static implicit operator Int32(integer x)
			{
				return x.value;
			}

			public static integer operator +(integer a, integer b)
			{
				return new integer(a.value + b.value);
			}

			public static integer operator -(integer a, integer b)
			{
				return new integer(a.value - b.value);
			}

			public static integer operator -(integer a, bool b)
			{
				return a - (integer)b;
			}

			public static integer operator +(integer a, bool b)
			{
				return a + (integer)b;
			}

			// 6 jan 2008
			public static integer operator *(integer a, integer b)
			{
				return new integer(a.value * b.value);
			}

			// 23 feb 2008
			public static integer operator *(integer a, Float b)
			{
				Float result = (Float)a.value * b;
				return new integer((int)result);
			}

			// 6 jan 2008
			public static bool operator ==(integer a, integer b)
			{
				return (a.value == b.value);
			}

			// 6 jan 2008
			public static bool operator !=(integer a, integer b)
			{
				return (a.value != b.value);
			}

			public static int Compare(integer a, integer b)
			{
				int intResult = 0;
				if (a.value < b.value) {
					intResult = -1;
				} else if (a.value > b.value) {
					intResult = 1;
				}
				return intResult;
			}

			// Override the Object.Equals(object o) method:
			public override bool Equals(object o)
			{
				try {
					return (bool)(this == (integer)o);
				} catch {
					return false;
				}
			}

			// Override the Object.GetHashCode() method:
			public override int GetHashCode()
			{
				return value;
			}

			// Override the ToString method to convert integer to a string:
			public override string ToString()
			{
				return value.ToString();
			}

		}
	}
}