// System.SByte.cs
//
// Author:
-// Miguel de Icaza (miguel@ximian.com)
+// Miguel de Icaza (miguel@ximian.com)
//
-// (C) Ximian, Inc. http://www.ximian.com
+// (C) Ximian, Inc. http://www.ximian.com
+// Copyright (C) 2004 Novell (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Globalization;
-namespace System {
-
- public struct SByte : IComparable, IFormattable { //, IConvertible {
- public static Type Type = typeof (sbyte);
-
+namespace System
+{
+ [CLSCompliant(false)]
+ [Serializable]
+ public struct SByte : IFormattable, IConvertible,
+#if NET_2_0
+ IComparable, IComparable<SByte>
+#else
+ IComparable
+#endif
+ {
public const sbyte MinValue = -128;
public const sbyte MaxValue = 127;
-
- // VES needs to know about value. public is workaround
- // so source will compile
- public sbyte value;
+
+ internal sbyte m_value;
public int CompareTo (object v)
{
+ if (v == null)
+ return 1;
+
if (!(v is System.SByte))
- throw new ArgumentException ("Value is not a System.SByte");
+ throw new ArgumentException (Locale.GetText ("Value is not a System.SByte."));
- return value - ((sbyte) v);
+ sbyte xv = (sbyte) v;
+ if (m_value == xv)
+ return 0;
+ if (m_value > xv)
+ return 1;
+ else
+ return -1;
}
public override bool Equals (object o)
if (!(o is System.SByte))
return false;
- return ((sbyte) o) == value;
+ return ((sbyte) o) == m_value;
}
public override int GetHashCode ()
{
- return value;
+ return m_value;
}
- public static sbyte Parse (string s)
+#if NET_2_0
+ public int CompareTo (sbyte value)
{
- return Parse (s, NumberStyles.Integer, null);
+ if (m_value == value)
+ return 0;
+ if (m_value > value)
+ return 1;
+ else
+ return -1;
+ }
+
+ public bool Equals (sbyte value)
+ {
+ return value == m_value;
+ }
+#endif
+
+ internal static bool Parse (string s, bool tryParse, out sbyte result)
+ {
+ int ival = 0;
+ int len;
+ int i;
+ bool neg = false;
+ bool digits_seen = false;
+
+ result = 0;
+
+ if (s == null)
+ if (tryParse)
+ return false;
+ else
+ throw new ArgumentNullException ("s");
+
+ len = s.Length;
+
+ char c;
+ for (i = 0; i < len; i++) {
+ c = s [i];
+ if (!Char.IsWhiteSpace (c))
+ break;
+ }
+
+ if (i == len)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException ();
+
+ c = s [i];
+ if (c == '+')
+ i++;
+ else if (c == '-') {
+ neg = true;
+ i++;
+ }
+
+ for (; i < len; i++) {
+ c = s [i];
+
+ if (c >= '0' && c <= '9') {
+ ival = checked (ival * 10 - (int) (c - '0'));
+ digits_seen = true;
+ } else {
+ if (Char.IsWhiteSpace (c)) {
+ for (i++; i < len; i++) {
+ if (!Char.IsWhiteSpace (s [i]))
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException ();
+ }
+ break;
+ } else
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException ();
+ }
+ }
+ if (!digits_seen)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException ();
+
+ ival = neg ? ival : -ival;
+ if (ival < SByte.MinValue || ival > SByte.MaxValue)
+ if (tryParse)
+ return false;
+ else
+ throw new OverflowException ();
+
+ result = (sbyte)ival;
+ return true;
}
- public static sbyte Parse (string s, IFormatProvider fp)
+ [CLSCompliant(false)]
+ public static sbyte Parse (string s, IFormatProvider provider)
{
- return Parse (s, NumberStyles.Integer, fp);
+ return Parse (s, NumberStyles.Integer, provider);
}
+ [CLSCompliant(false)]
public static sbyte Parse (string s, NumberStyles style)
{
return Parse (s, style, null);
}
- public static sbyte Parse (string s, NumberStyles style, IFormatProvider fp)
+ [CLSCompliant(false)]
+ public static sbyte Parse (string s, NumberStyles style, IFormatProvider provider)
{
- // TODO: Implement me
- return 0;
+ int tmpResult = Int32.Parse (s, style, provider);
+ if (tmpResult > SByte.MaxValue || tmpResult < SByte.MinValue)
+ throw new OverflowException (Locale.GetText ("Value too large or too small."));
+
+ return (sbyte) tmpResult;
+ }
+
+ [CLSCompliant(false)]
+ public static sbyte Parse (string s) {
+ sbyte res;
+
+ Parse (s, false, out res);
+
+ return res;
+ }
+
+#if NET_2_0
+ [CLSCompliant(false)]
+ public static bool TryParse (string s, out sbyte result) {
+ try {
+ return Parse (s, true, out result);
+ }
+ catch (Exception) {
+ result = 0;
+ return false;
+ }
}
+ [CLSCompliant(false)]
+ public static bool TryParse (string s, NumberStyles style, IFormatProvider provider, out sbyte result) {
+ try {
+ int tmpResult;
+
+ result = 0;
+ if (!Int32.TryParse (s, style, provider, out tmpResult))
+ return false;
+ if (tmpResult > SByte.MaxValue || tmpResult < SByte.MinValue)
+ return false;
+ result = (sbyte)tmpResult;
+ return true;
+ }
+ catch (Exception) {
+ result = 0;
+ return false;
+ }
+ }
+#endif
+
public override string ToString ()
{
- return ToString ("G", null);
+ return ToString (null, null);
}
- public string ToString (IFormatProvider fp)
+ public string ToString (IFormatProvider provider)
{
- return ToString ("G", fp);
+ return ToString (null, provider);
}
public string ToString (string format)
return ToString (format, null);
}
- public string ToString (string format, IFormatProvider fp)
- {
- string fmt;
- NumberFormatInfo nfi;
-
- fmt = (format == null) ? "G" : format;
-
- if (fp == null)
- nfi = NumberFormatInfo.CurrentInfo;
- else {
- nfi = (NumberFormatInfo) fp.GetFormat (Type);
-
- if (nfi == null)
- nfi = NumberFormatInfo.CurrentInfo;
- }
+ public string ToString (string format, IFormatProvider provider)
+ {
+ NumberFormatInfo nfi = NumberFormatInfo.GetInstance (provider);
+
+ // use "G" when format is null or String.Empty
+ if ((format == null) || (format.Length == 0))
+ format = "G";
- return IntegerFormatter.NumberToString (fmt, nfi, value);
+ return IntegerFormatter.NumberToString (format, nfi, m_value);
}
// =========== ICovnertible Methods =========== //
-
public TypeCode GetTypeCode ()
{
- return TypeCode.Byte;
+ return TypeCode.SByte;
+ }
+
+ bool IConvertible.ToBoolean (IFormatProvider provider)
+ {
+ return System.Convert.ToBoolean (m_value);
+ }
+
+ byte IConvertible.ToByte (IFormatProvider provider)
+ {
+ return System.Convert.ToByte (m_value);
+ }
+
+ char IConvertible.ToChar (IFormatProvider provider)
+ {
+ return System.Convert.ToChar (m_value);
+ }
+
+ DateTime IConvertible.ToDateTime (IFormatProvider provider)
+ {
+ return System.Convert.ToDateTime (m_value);
+ }
+
+ decimal IConvertible.ToDecimal (IFormatProvider provider)
+ {
+ return System.Convert.ToDecimal (m_value);
+ }
+
+ double IConvertible.ToDouble (IFormatProvider provider)
+ {
+ return System.Convert.ToDouble (m_value);
+ }
+
+ short IConvertible.ToInt16 (IFormatProvider provider)
+ {
+ return System.Convert.ToInt16 (m_value);
+ }
+
+ int IConvertible.ToInt32 (IFormatProvider provider)
+ {
+ return System.Convert.ToInt32 (m_value);
+ }
+
+ long IConvertible.ToInt64 (IFormatProvider provider)
+ {
+ return System.Convert.ToInt64 (m_value);
+ }
+
+ sbyte IConvertible.ToSByte (IFormatProvider provider)
+ {
+ return m_value;
+ }
+
+ float IConvertible.ToSingle (IFormatProvider provider)
+ {
+ return System.Convert.ToSingle (m_value);
+ }
+
+ object IConvertible.ToType (Type conversionType, IFormatProvider provider)
+ {
+ return System.Convert.ToType (m_value, conversionType, provider);
+ }
+
+ ushort IConvertible.ToUInt16 (IFormatProvider provider)
+ {
+ return System.Convert.ToUInt16 (m_value);
+ }
+
+ uint IConvertible.ToUInt32 (IFormatProvider provider)
+ {
+ return System.Convert.ToUInt32 (m_value);
+ }
+
+ ulong IConvertible.ToUInt64 (IFormatProvider provider)
+ {
+ return System.Convert.ToUInt64 (m_value);
}
}
}
projects / mono.git / blobdiff