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Diffstat (limited to 'src/mscorlib/src/System/Int64.cs')
| -rw-r--r-- | src/mscorlib/src/System/Int64.cs | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Int64.cs b/src/mscorlib/src/System/Int64.cs new file mode 100644 index 0000000000..4b93fb0b5b --- /dev/null +++ b/src/mscorlib/src/System/Int64.cs @@ -0,0 +1,217 @@ +// Copyright (c) Microsoft. All rights reserved. +// Licensed under the MIT license. See LICENSE file in the project root for full license information. + +/*============================================================ +** +** +** +** Purpose: This class will encapsulate a long and provide an +** Object representation of it. +** +** +===========================================================*/ +namespace System { + + using System; + using System.Globalization; + using System.Runtime.InteropServices; + using System.Diagnostics.Contracts; + +[Serializable] +[System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] +[System.Runtime.InteropServices.ComVisible(true)] + public struct Int64 : IComparable, IFormattable, IConvertible + , IComparable<Int64>, IEquatable<Int64> + { + internal long m_value; + + public const long MaxValue = 0x7fffffffffffffffL; + public const long MinValue = unchecked((long)0x8000000000000000L); + + // 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 Int64, this method throws an ArgumentException. + // + public int CompareTo(Object value) { + if (value == null) { + return 1; + } + if (value is Int64) { + // Need to use compare because subtraction will wrap + // to positive for very large neg numbers, etc. + long i = (long)value; + if (m_value < i) return -1; + if (m_value > i) return 1; + return 0; + } + throw new ArgumentException (Environment.GetResourceString("Arg_MustBeInt64")); + } + + public int CompareTo(Int64 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 Int64)) { + return false; + } + return m_value == ((Int64)obj).m_value; + } + + [System.Runtime.Versioning.NonVersionable] + public bool Equals(Int64 obj) + { + return m_value == obj; + } + + // The value of the lower 32 bits XORed with the uppper 32 bits. + public override int GetHashCode() { + return (unchecked((int)((long)m_value)) ^ (int)(m_value >> 32)); + } + + [System.Security.SecuritySafeCritical] // auto-generated + public override String ToString() { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(m_value, null, NumberFormatInfo.CurrentInfo); + } + + [System.Security.SecuritySafeCritical] // auto-generated + public String ToString(IFormatProvider provider) { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(m_value, null, NumberFormatInfo.GetInstance(provider)); + } + + [System.Security.SecuritySafeCritical] // auto-generated + public String ToString(String format) { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(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.FormatInt64(m_value, format, NumberFormatInfo.GetInstance(provider)); + } + + public static long Parse(String s) { + return Number.ParseInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo); + } + + public static long Parse(String s, NumberStyles style) { + NumberFormatInfo.ValidateParseStyleInteger(style); + return Number.ParseInt64(s, style, NumberFormatInfo.CurrentInfo); + } + + public static long Parse(String s, IFormatProvider provider) { + return Number.ParseInt64(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider)); + } + + + // Parses a long from a String in the given style. If + // a NumberFormatInfo isn't specified, the current culture's + // NumberFormatInfo is assumed. + // + public static long Parse(String s, NumberStyles style, IFormatProvider provider) { + NumberFormatInfo.ValidateParseStyleInteger(style); + return Number.ParseInt64(s, style, NumberFormatInfo.GetInstance(provider)); + } + + public static Boolean TryParse(String s, out Int64 result) { + return Number.TryParseInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); + } + + public static Boolean TryParse(String s, NumberStyles style, IFormatProvider provider, out Int64 result) { + NumberFormatInfo.ValidateParseStyleInteger(style); + return Number.TryParseInt64(s, style, NumberFormatInfo.GetInstance(provider), out result); + } + + // + // IConvertible implementation + // + + public TypeCode GetTypeCode() { + return TypeCode.Int64; + } + + /// <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 m_value; + } + + /// <internalonly/> + ulong IConvertible.ToUInt64(IFormatProvider provider) { + return Convert.ToUInt64(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", "Int64", "DateTime")); + } + + /// <internalonly/> + Object IConvertible.ToType(Type type, IFormatProvider provider) { + return Convert.DefaultToType((IConvertible)this, type, provider); + } + } +} |