diff options
Diffstat (limited to 'src/mscorlib/shared/System/Int64.cs')
| -rw-r--r-- | src/mscorlib/shared/System/Int64.cs | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/Int64.cs b/src/mscorlib/shared/System/Int64.cs new file mode 100644 index 0000000000..785fa39fa5 --- /dev/null +++ b/src/mscorlib/shared/System/Int64.cs @@ -0,0 +1,262 @@ +// 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 a long and provide an +** Object representation of it. +** +** +===========================================================*/ + +using System.Diagnostics.Contracts; +using System.Globalization; +using System.Runtime.CompilerServices; +using System.Runtime.InteropServices; +using System.Runtime.Versioning; + +namespace System +{ + [Serializable] + [StructLayout(LayoutKind.Sequential)] + [TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")] + public struct Int64 : IComparable, IConvertible, IFormattable, IComparable<Int64>, IEquatable<Int64> + { + private long m_value; // Do not rename (binary serialization) + + 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(SR.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; + } + + [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)); + } + + public override String ToString() + { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(m_value, null, NumberFormatInfo.CurrentInfo); + } + + public String ToString(IFormatProvider provider) + { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(m_value, null, NumberFormatInfo.GetInstance(provider)); + } + + public String ToString(String format) + { + Contract.Ensures(Contract.Result<String>() != null); + return Number.FormatInt64(m_value, format, NumberFormatInfo.CurrentInfo); + } + + 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) + { + if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); + return Number.ParseInt64(s.AsReadOnlySpan(), NumberStyles.Integer, NumberFormatInfo.CurrentInfo); + } + + public static long Parse(String s, NumberStyles style) + { + NumberFormatInfo.ValidateParseStyleInteger(style); + if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); + return Number.ParseInt64(s.AsReadOnlySpan(), style, NumberFormatInfo.CurrentInfo); + } + + public static long Parse(String s, IFormatProvider provider) + { + if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); + return Number.ParseInt64(s.AsReadOnlySpan(), 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); + if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); + return Number.ParseInt64(s.AsReadOnlySpan(), style, NumberFormatInfo.GetInstance(provider)); + } + + public static long Parse(ReadOnlySpan<char> s, NumberStyles style = NumberStyles.Integer, IFormatProvider provider = null) + { + NumberFormatInfo.ValidateParseStyleInteger(style); + return Number.ParseInt64(s, style, NumberFormatInfo.GetInstance(provider)); + } + + public static Boolean TryParse(String s, out Int64 result) + { + if (s == null) + { + result = 0; + return false; + } + + return Number.TryParseInt64(s.AsReadOnlySpan(), NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); + } + + public static Boolean TryParse(String s, NumberStyles style, IFormatProvider provider, out Int64 result) + { + NumberFormatInfo.ValidateParseStyleInteger(style); + + if (s == null) + { + result = 0; + return false; + } + + return Number.TryParseInt64(s.AsReadOnlySpan(), style, NumberFormatInfo.GetInstance(provider), out result); + } + + public static bool TryParse(ReadOnlySpan<char> s, out long result, NumberStyles style = NumberStyles.Integer, IFormatProvider provider = null) + { + NumberFormatInfo.ValidateParseStyleInteger(style); + return Number.TryParseInt64(s, style, NumberFormatInfo.GetInstance(provider), out result); + } + + // + // IConvertible implementation + // + + public TypeCode GetTypeCode() + { + return TypeCode.Int64; + } + + 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 Convert.ToUInt16(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 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(SR.Format(SR.InvalidCast_FromTo, "Int64", "DateTime")); + } + + Object IConvertible.ToType(Type type, IFormatProvider provider) + { + return Convert.DefaultToType((IConvertible)this, type, provider); + } + } +} |