Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / clr / src / BCL / System / SByte.cs / 1 / SByte.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: SByte
**
**
** Purpose:
**
**
===========================================================*/
namespace System {
using System.Globalization;
using System;
using System.Runtime.InteropServices;
// A place holder class for signed bytes.
[Serializable, CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)]
[System.Runtime.InteropServices.ComVisible(true)]
public struct SByte : IComparable, IFormattable, IConvertible
#if GENERICS_WORK
, IComparable, IEquatable
#endif
{
private sbyte m_value;
// The maximum value that a Byte may represent: 127.
public const sbyte MaxValue = (sbyte)0x7F;
// The minimum value that a Byte may represent: -128.
public const sbyte MinValue = unchecked((sbyte)0x80);
// 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 SByte, this method throws an ArgumentException.
//
public int CompareTo(Object obj) {
if (obj == null) {
return 1;
}
if (!(obj is SByte)) {
throw new ArgumentException (Environment.GetResourceString("Arg_MustBeSByte"));
}
return m_value - ((SByte)obj).m_value;
}
public int CompareTo(SByte value) {
return m_value - value;
}
// Determines whether two Byte objects are equal.
public override bool Equals(Object obj) {
if (!(obj is SByte)) {
return false;
}
return m_value == ((SByte)obj).m_value;
}
public bool Equals(SByte obj)
{
return m_value == obj;
}
// Gets a hash code for this instance.
public override int GetHashCode() {
return ((int)m_value ^ (int)m_value << 8);
}
// Provides a string representation of a byte.
public override String ToString() {
return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo);
}
public String ToString(IFormatProvider provider) {
return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
}
public String ToString(String format) {
return ToString(format, NumberFormatInfo.CurrentInfo);
}
public String ToString(String format, IFormatProvider provider) {
return ToString(format, NumberFormatInfo.GetInstance(provider));
}
private String ToString(String format, NumberFormatInfo info) {
if (m_value<0 && format!=null && format.Length>0 && (format[0]=='X' || format[0]=='x')) {
uint temp = (uint)(m_value & 0x000000FF);
return Number.FormatUInt32(temp, format, info);
}
return Number.FormatInt32(m_value, format, info);
}
[CLSCompliant(false)]
public static sbyte Parse(String s) {
return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static sbyte Parse(String s, NumberStyles style) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Parse(s, style, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static sbyte Parse(String s, IFormatProvider provider) {
return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
}
// Parses a signed byte from a String in the given style. If
// a NumberFormatInfo isn't specified, the current culture's
// NumberFormatInfo is assumed.
//
[CLSCompliant(false)]
public static sbyte Parse(String s, NumberStyles style, IFormatProvider provider) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Parse(s, style, NumberFormatInfo.GetInstance(provider));
}
private static sbyte Parse(String s, NumberStyles style, NumberFormatInfo info) {
int i = 0;
try {
i = Number.ParseInt32(s, style, info);
}
catch(OverflowException e) {
throw new OverflowException(Environment.GetResourceString("Overflow_SByte"), e);
}
if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
if ((i < 0) || i > Byte.MaxValue) {
throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
}
return (sbyte)i;
}
if (i < MinValue || i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
return (sbyte)i;
}
[CLSCompliant(false)]
public static bool TryParse(String s, out SByte result) {
return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
}
[CLSCompliant(false)]
public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out SByte result) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
}
private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out SByte result) {
result = 0;
int i;
if (!Number.TryParseInt32(s, style, info, out i)) {
return false;
}
if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
if ((i < 0) || i > Byte.MaxValue) {
return false;
}
result = (sbyte)i;
return true;
}
if (i < MinValue || i > MaxValue) {
return false;
}
result = (sbyte) i;
return true;
}
//
// IValue implementation
//
public TypeCode GetTypeCode() {
return TypeCode.SByte;
}
///
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 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 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", "SByte", "DateTime"));
}
///
Object IConvertible.ToType(Type type, IFormatProvider provider) {
return Convert.DefaultToType((IConvertible)this, type, provider);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: SByte
**
**
** Purpose:
**
**
===========================================================*/
namespace System {
using System.Globalization;
using System;
using System.Runtime.InteropServices;
// A place holder class for signed bytes.
[Serializable, CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)]
[System.Runtime.InteropServices.ComVisible(true)]
public struct SByte : IComparable, IFormattable, IConvertible
#if GENERICS_WORK
, IComparable, IEquatable
#endif
{
private sbyte m_value;
// The maximum value that a Byte may represent: 127.
public const sbyte MaxValue = (sbyte)0x7F;
// The minimum value that a Byte may represent: -128.
public const sbyte MinValue = unchecked((sbyte)0x80);
// 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 SByte, this method throws an ArgumentException.
//
public int CompareTo(Object obj) {
if (obj == null) {
return 1;
}
if (!(obj is SByte)) {
throw new ArgumentException (Environment.GetResourceString("Arg_MustBeSByte"));
}
return m_value - ((SByte)obj).m_value;
}
public int CompareTo(SByte value) {
return m_value - value;
}
// Determines whether two Byte objects are equal.
public override bool Equals(Object obj) {
if (!(obj is SByte)) {
return false;
}
return m_value == ((SByte)obj).m_value;
}
public bool Equals(SByte obj)
{
return m_value == obj;
}
// Gets a hash code for this instance.
public override int GetHashCode() {
return ((int)m_value ^ (int)m_value << 8);
}
// Provides a string representation of a byte.
public override String ToString() {
return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo);
}
public String ToString(IFormatProvider provider) {
return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
}
public String ToString(String format) {
return ToString(format, NumberFormatInfo.CurrentInfo);
}
public String ToString(String format, IFormatProvider provider) {
return ToString(format, NumberFormatInfo.GetInstance(provider));
}
private String ToString(String format, NumberFormatInfo info) {
if (m_value<0 && format!=null && format.Length>0 && (format[0]=='X' || format[0]=='x')) {
uint temp = (uint)(m_value & 0x000000FF);
return Number.FormatUInt32(temp, format, info);
}
return Number.FormatInt32(m_value, format, info);
}
[CLSCompliant(false)]
public static sbyte Parse(String s) {
return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static sbyte Parse(String s, NumberStyles style) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Parse(s, style, NumberFormatInfo.CurrentInfo);
}
[CLSCompliant(false)]
public static sbyte Parse(String s, IFormatProvider provider) {
return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
}
// Parses a signed byte from a String in the given style. If
// a NumberFormatInfo isn't specified, the current culture's
// NumberFormatInfo is assumed.
//
[CLSCompliant(false)]
public static sbyte Parse(String s, NumberStyles style, IFormatProvider provider) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return Parse(s, style, NumberFormatInfo.GetInstance(provider));
}
private static sbyte Parse(String s, NumberStyles style, NumberFormatInfo info) {
int i = 0;
try {
i = Number.ParseInt32(s, style, info);
}
catch(OverflowException e) {
throw new OverflowException(Environment.GetResourceString("Overflow_SByte"), e);
}
if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
if ((i < 0) || i > Byte.MaxValue) {
throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
}
return (sbyte)i;
}
if (i < MinValue || i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
return (sbyte)i;
}
[CLSCompliant(false)]
public static bool TryParse(String s, out SByte result) {
return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
}
[CLSCompliant(false)]
public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out SByte result) {
NumberFormatInfo.ValidateParseStyleInteger(style);
return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
}
private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out SByte result) {
result = 0;
int i;
if (!Number.TryParseInt32(s, style, info, out i)) {
return false;
}
if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
if ((i < 0) || i > Byte.MaxValue) {
return false;
}
result = (sbyte)i;
return true;
}
if (i < MinValue || i > MaxValue) {
return false;
}
result = (sbyte) i;
return true;
}
//
// IValue implementation
//
public TypeCode GetTypeCode() {
return TypeCode.SByte;
}
///
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 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 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", "SByte", "DateTime"));
}
///
Object IConvertible.ToType(Type type, IFormatProvider provider) {
return Convert.DefaultToType((IConvertible)this, type, provider);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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