UInt16.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / UInt16.cs / 1305376 / UInt16.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  UInt16 
**
** Purpose: This class will encapsulate a short and provide an 
**          Object representation of it.
**
**
===========================================================*/ 
namespace System {
    using System.Globalization; 
    using System; 
///#if GENERICS_WORK
///    using System.Numerics; 
///#endif
    using System.Runtime.InteropServices;
    using System.Diagnostics.Contracts;
 
    // Wrapper for unsigned 16 bit integers.
[Serializable] 
[CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] 
[System.Runtime.InteropServices.ComVisible(true)]
#if GENERICS_WORK 
    public struct UInt16 : IComparable, IFormattable, IConvertible
        , IComparable, IEquatable
///     , IArithmetic
#if false // ugly hack to fix syntax for TrimSrc parser, which ignores #if directives 
    {
    } 
#endif 
#else
    public struct UInt16 : IComparable, IFormattable, IConvertible 
#endif
    {
        private ushort m_value;
 
        public const ushort MaxValue = (ushort)0xFFFF;
        public const ushort MinValue = 0; 
 

        // 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 UInt16, this method throws an ArgumentException. 
        //
        public int CompareTo(Object value) { 
            if (value == null) { 
                return 1;
            } 
            if (value is UInt16) {
                return ((int)m_value - (int)(((UInt16)value).m_value));
            }
            throw new ArgumentException(Environment.GetResourceString("Arg_MustBeUInt16")); 
        }
 
        public int CompareTo(UInt16 value) { 
            return ((int)m_value - (int)value);
        } 

        public override bool Equals(Object obj) {
            if (!(obj is UInt16)) {
                return false; 
            }
            return m_value == ((UInt16)obj).m_value; 
        } 

        public bool Equals(UInt16 obj) 
        {
            return m_value == obj;
        }
 
        // Returns a HashCode for the UInt16
        public override int GetHashCode() { 
            return (int)m_value; 
        }
 
        // Converts the current value to a String in base-10 with no extra padding.
        [System.Security.SecuritySafeCritical]  // auto-generated
        public override String ToString() {
            Contract.Ensures(Contract.Result() != null); 
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.CurrentInfo);
        } 
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public String ToString(IFormatProvider provider) { 
            Contract.Ensures(Contract.Result() != null);
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
        }
 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public String ToString(String format) { 
            Contract.Ensures(Contract.Result() != null);
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.CurrentInfo); 
        }

        [System.Security.SecuritySafeCritical]  // auto-generated
        public String ToString(String format, IFormatProvider provider) { 
            Contract.Ensures(Contract.Result() != null);
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.GetInstance(provider)); 
        } 

        [CLSCompliant(false)] 
        public static ushort Parse(String s) {
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
        }
 
        [CLSCompliant(false)]
        public static ushort Parse(String s, NumberStyles style) { 
            NumberFormatInfo.ValidateParseStyleInteger(style); 
            return Parse(s, style, NumberFormatInfo.CurrentInfo);
        } 


        [CLSCompliant(false)]
        public static ushort Parse(String s, IFormatProvider provider) { 
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
        } 
 
        [CLSCompliant(false)]
        public static ushort Parse(String s, NumberStyles style, IFormatProvider provider) { 
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Parse(s, style, NumberFormatInfo.GetInstance(provider));
        }
 
        private static ushort Parse(String s, NumberStyles style, NumberFormatInfo info) {
 
            uint i = 0; 
            try {
                i = Number.ParseUInt32(s, style, info); 
            }
            catch(OverflowException e) {
                throw new OverflowException(Environment.GetResourceString("Overflow_UInt16"), e);
            } 

            if (i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_UInt16")); 
            return (ushort)i; 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        [CLSCompliant(false)]
        public static bool TryParse(String s, out UInt16 result) {
            return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated 
        [CLSCompliant(false)]
        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt16 result) { 
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
        }
 
        private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out UInt16 result) {
 
            result = 0; 
            UInt32 i;
            if (!Number.TryParseUInt32(s, style, info, out i)) { 
                return false;
            }
            if (i > MaxValue) {
                return false; 
            }
            result = (UInt16) i; 
            return true; 
        }
 
        //
        // IConvertible implementation
        //
 
        public TypeCode GetTypeCode() {
            return TypeCode.UInt16; 
        } 

        ///  
        bool IConvertible.ToBoolean(IFormatProvider provider) {
            return Convert.ToBoolean(m_value);
        }
 
        /// 
        char IConvertible.ToChar(IFormatProvider provider) { 
            return Convert.ToChar(m_value); 
        }
 
        /// 
        sbyte IConvertible.ToSByte(IFormatProvider provider) {
            return Convert.ToSByte(m_value);
        } 

        ///  
        byte IConvertible.ToByte(IFormatProvider provider) { 
            return Convert.ToByte(m_value);
        } 

        /// 
        short IConvertible.ToInt16(IFormatProvider provider) {
            return Convert.ToInt16(m_value); 
        }
 
        ///  
        ushort IConvertible.ToUInt16(IFormatProvider provider) {
            return m_value; 
        }

        /// 
        int IConvertible.ToInt32(IFormatProvider provider) { 
            return Convert.ToInt32(m_value);
        } 
 
        /// 
        uint IConvertible.ToUInt32(IFormatProvider provider) { 
            return Convert.ToUInt32(m_value);
        }

        ///  
        long IConvertible.ToInt64(IFormatProvider provider) {
            return Convert.ToInt64(m_value); 
        } 

        ///  
        ulong IConvertible.ToUInt64(IFormatProvider provider) {
            return Convert.ToUInt64(m_value);
        }
 
        /// 
        float IConvertible.ToSingle(IFormatProvider provider) { 
            return Convert.ToSingle(m_value); 
        }
 
        /// 
        double IConvertible.ToDouble(IFormatProvider provider) {
            return Convert.ToDouble(m_value);
        } 

        ///  
        Decimal IConvertible.ToDecimal(IFormatProvider provider) { 
            return Convert.ToDecimal(m_value);
        } 

        /// 
        DateTime IConvertible.ToDateTime(IFormatProvider provider) {
            throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "UInt16", "DateTime")); 
        }
 
        ///  
        Object IConvertible.ToType(Type type, IFormatProvider provider) {
            return Convert.DefaultToType((IConvertible)this, type, provider); 
        }

///#if GENERICS_WORK
///        // 
///        // IArithmetic implementation
///        // 
/// 
///        /// 
///        UInt16 IArithmetic.AbsoluteValue(out bool overflowed) { 
///            overflowed = false;
///            return m_value;
///        }
/// 
///        /// 
///        UInt16 IArithmetic.Negate(out bool overflowed) { 
///            overflowed = (m_value != 0); 
///            return m_value;
///        } 
///
///        /// 
///        UInt16 IArithmetic.Sign(out bool overflowed) {
///            overflowed = false; 
///            return (UInt16) (m_value == 0 ? 0 : 1);
///        } 
/// 
///        /// 
///        UInt16 IArithmetic.Add(UInt16 addend, out bool overflowed) { 
///            uint u = ((uint)m_value) + addend;
///            overflowed = (u > MaxValue);
///            return (UInt16) u;
///        } 
///
///        ///  
///        UInt16 IArithmetic.Subtract(UInt16 subtrahend, out bool overflowed) { 
///            int i = ((int)m_value) - subtrahend;
///            overflowed = (i < MinValue); 
///            return (UInt16) i;
///        }
///
///        ///  
///        UInt16 IArithmetic.Multiply(UInt16 multiplier, out bool overflowed) {
///            // 
///            //   true arithmetic range check         =>     re-written for unsigned int 
///            // -------------------------------            -------------------------------
///            // ((m_value * multiplier) > MaxValue)   =>   (multiplier != 0) && (m_value > (MaxValue / multiplier)) 
///            //
///
///            overflowed = (multiplier != 0) && (m_value > (MaxValue / multiplier));
///            return (UInt16) unchecked(m_value * multiplier); 
///        }
/// 
/// 
///        /// 
///        UInt16 IArithmetic.Divide(UInt16 divisor, out bool overflowed) { 
///            overflowed = false;
///            return (UInt16) (m_value / divisor);  // divide by zero will fail
///        }
/// 
///        /// 
///        UInt16 IArithmetic.DivideRemainder(UInt16 divisor, out UInt16 remainder, out bool overflowed) { 
///            overflowed = false; 
///            remainder = (UInt16) (m_value % divisor);
///            return (UInt16) (m_value / divisor);  // divide by zero will fail 
///        }
///
///        /// 
///        UInt16 IArithmetic.Remainder(UInt16 divisor, out bool overflowed) { 
///            overflowed = false;
///            return (UInt16) (m_value % divisor); 
///        } 
///        /// 
///        ArithmeticDescriptor IArithmetic.GetDescriptor() { 
///            if (s_descriptor == null) {
///                s_descriptor = new UInt16ArithmeticDescriptor( ArithmeticCapabilities.One
///                                                             | ArithmeticCapabilities.Zero
///                                                             | ArithmeticCapabilities.MaxValue 
///                                                             | ArithmeticCapabilities.MinValue
///                                                             | ArithmeticCapabilities.Unsigned); 
///            } 
///            return s_descriptor;
///        } 
///
///        private static UInt16ArithmeticDescriptor s_descriptor;
///
///        class UInt16ArithmeticDescriptor : ArithmeticDescriptor { 
///            public UInt16ArithmeticDescriptor(ArithmeticCapabilities capabilities) : base(capabilities) {}
/// 
///            public override UInt16 One { 
///                get {
///                    return (UInt16) 1; 
///                }
///            }
///
///            public override UInt16 Zero { 
///                get {
///                    return (UInt16) 0; 
///                } 
///            }
/// 
///            public override UInt16 MinValue {
///                get {
///                    return UInt16.MinValue;
///                } 
///            }
/// 
///            public override UInt16 MaxValue { 
///                get {
///                    return UInt16.MaxValue; 
///                }
///            }
///        }
///#endif // #if GENERICS_WORK 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK