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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
** Purpose: This class will encapsulate an unsigned long and
** provide an Object representation of it.
**
**
===========================================================*/
namespace System {
using System.Globalization;
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
// Wrapper for unsigned 64 bit integers.
[Serializable]
[CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)]
[System.Runtime.InteropServices.ComVisible(true)]
public struct UInt64 : IComparable, IFormattable, IConvertible
, IComparable<UInt64>, IEquatable<UInt64>
{
private ulong m_value;
public const ulong MaxValue = (ulong) 0xffffffffffffffffL;
public const ulong MinValue = 0x0;
// Compares this object to another object, returning an integer that
// indicates the relationship.
// Returns a value less than zero if this object
// null is considered to be less than any instance.
// If object is not of type UInt64, this method throws an ArgumentException.
//
public int CompareTo(Object value) {
if (value == null) {
return 1;
}
if (value is UInt64) {
// Need to use compare because subtraction will wrap
// to positive for very large neg numbers, etc.
ulong i = (ulong)value;
if (m_value < i) return -1;
if (m_value > i) return 1;
return 0;
}
throw new ArgumentException (Environment.GetResourceString("Arg_MustBeUInt64"));
}
public int CompareTo(UInt64 value) {
// Need to use compare because subtraction will wrap
// to positive for very large neg numbers, etc.
if (m_value < value) return -1;
if (m_value > value) return 1;
return 0;
}
public override bool Equals(Object obj) {
if (!(obj is UInt64)) {
return false;
}
return m_value == ((UInt64)obj).m_value;
}
[System.Runtime.Versioning.NonVersionable]
public bool Equals(UInt64 obj)
{
return m_value == obj;
}
// The value of the lower 32 bits XORed with the uppper 32 bits.
public override int GetHashCode() {
return ((int)m_value) ^ (int)(m_value >> 32);
}
[System.Security.SecuritySafeCritical] // auto-generated
public override String ToString() {
Contract.Ensures(Contract.Result<String>() != null);
return Number.FormatUInt64(m_value, null, NumberFormatInfo.CurrentInfo);
}
[System.Security.SecuritySafeCritical] // auto-generated
public String ToString(IFormatProvider provider) {
Contract.Ensures(Contract.Result<String>() != null);
return Number.FormatUInt64(m_value, null, NumberFormatInfo.GetInstance(provider));
}
[System.Security.SecuritySafeCritical] // auto-generated
public String ToString(String format) {
Contract.Ensures(Contract.Result<String>() != null);
return Number.FormatUInt64(m_value, format, NumberFormatInfo.CurrentInfo);
}
[System.Security.SecuritySafeCritical] // auto-generated
public String ToString(String format, IFormatProvider provider) {
Contract.Ensures(Contract.Result<String>() != null);
return Number.FormatUInt64(m_value, format, NumberFormatInfo.GetInstance(provider));
}
[CLSCompliant(false)]
public static ulong Parse(String s) {
return Number.ParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static ulong Parse(String s, NumberStyles style) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Number.ParseUInt64(s, style, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static ulong Parse(string s, IFormatProvider provider) {
return Number.ParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
}
[CLSCompliant(false)]
public static ulong Parse(String s, NumberStyles style, IFormatProvider provider) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Number.ParseUInt64(s, style, NumberFormatInfo.GetInstance(provider));
}
[CLSCompliant(false)]
public static Boolean TryParse(String s, out UInt64 result) {
return Number.TryParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
}
[CLSCompliant(false)]
public static Boolean TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt64 result) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Number.TryParseUInt64(s, style, NumberFormatInfo.GetInstance(provider), out result);
}
//
// IConvertible implementation
//
public TypeCode GetTypeCode() {
return TypeCode.UInt64;
}
/// <internalonly/>
bool IConvertible.ToBoolean(IFormatProvider provider) {
return Convert.ToBoolean(m_value);
}
/// <internalonly/>
char IConvertible.ToChar(IFormatProvider provider) {
return Convert.ToChar(m_value);
}
/// <internalonly/>
sbyte IConvertible.ToSByte(IFormatProvider provider) {
return Convert.ToSByte(m_value);
}
/// <internalonly/>
byte IConvertible.ToByte(IFormatProvider provider) {
return Convert.ToByte(m_value);
}
/// <internalonly/>
short IConvertible.ToInt16(IFormatProvider provider) {
return Convert.ToInt16(m_value);
}
/// <internalonly/>
ushort IConvertible.ToUInt16(IFormatProvider provider) {
return Convert.ToUInt16(m_value);
}
/// <internalonly/>
int IConvertible.ToInt32(IFormatProvider provider) {
return Convert.ToInt32(m_value);
}
/// <internalonly/>
uint IConvertible.ToUInt32(IFormatProvider provider) {
return Convert.ToUInt32(m_value);
}
/// <internalonly/>
long IConvertible.ToInt64(IFormatProvider provider) {
return Convert.ToInt64(m_value);
}
/// <internalonly/>
ulong IConvertible.ToUInt64(IFormatProvider provider) {
return m_value;
}
/// <internalonly/>
float IConvertible.ToSingle(IFormatProvider provider) {
return Convert.ToSingle(m_value);
}
/// <internalonly/>
double IConvertible.ToDouble(IFormatProvider provider) {
return Convert.ToDouble(m_value);
}
/// <internalonly/>
Decimal IConvertible.ToDecimal(IFormatProvider provider) {
return Convert.ToDecimal(m_value);
}
/// <internalonly/>
DateTime IConvertible.ToDateTime(IFormatProvider provider) {
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "UInt64", "DateTime"));
}
/// <internalonly/>
Object IConvertible.ToType(Type type, IFormatProvider provider) {
return Convert.DefaultToType((IConvertible)this, type, provider);
}
}
}
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