remove warning
[mono.git] / mcs / class / corlib / System / UInt16.cs
index 785e63bf2590542ca455f0d1feb144af0a960bd4..1ec9734f71afa1c31a0c797866d7afda72836ff3 100644 (file)
 //   Miguel de Icaza (miguel@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 {
-
-       [CLSCompliant(false)]
-       public struct UInt16 : IComparable, IFormattable { //, IConvertible {
-               private static Type Type = typeof (ushort);
-
+namespace System
+{
+       [Serializable]
+       [CLSCompliant (false)]
+#if NET_2_0
+       [System.Runtime.InteropServices.ComVisible (true)]
+#endif
+       public struct UInt16 : IFormattable, IConvertible, IComparable
+#if NET_2_0
+               , IComparable<UInt16>, IEquatable <UInt16>
+#endif
+       {
                public const ushort MaxValue = 0xffff;
                public const ushort MinValue = 0;
-               
-               public ushort value;
 
-               public int CompareTo (object v)
+               internal ushort m_value;
+
+               public int CompareTo (object value)
                {
-                       if (v == null)
+                       if (value == null)
                                return 1;
-                       
-                       if(!(v is System.UInt16))
-                               throw new ArgumentException (Locale.GetText ("Value is not a System.UInt16"));
 
-                       return value - ((ushort) v);
+                       if(!(value is System.UInt16))
+                               throw new ArgumentException (Locale.GetText ("Value is not a System.UInt16."));
+
+                       return this.m_value - ((ushort) value);
                }
 
-               public override bool Equals (object o)
+               public override bool Equals (object obj)
                {
-                       if (!(o is System.UInt16))
+                       if (!(obj is System.UInt16))
                                return false;
 
-                       return ((ushort) o) == value;
+                       return ((ushort) obj) == m_value;
                }
 
                public override int GetHashCode ()
                {
-                       return value;
+                       return m_value;
                }
 
-               public static ushort Parse (string s)
+#if NET_2_0
+               public int CompareTo (ushort value)
                {
-                       ushort val = 0;
-                       int len;
-                       int i;
-                       bool digits_seen = false;
-                       
-                       if (s == null)
-                               throw new ArgumentNullException (Locale.GetText ("s is null"));
+                       if (m_value == value)
+                               return 0;
+                       if (m_value > value)
+                               return 1;
+                       else
+                               return -1;
+               }
 
-                       len = s.Length;
+               public bool Equals (ushort value)
+               {
+                       return value == m_value;
+               }
+#endif
 
-                       char c;
-                       for (i = 0; i < len; i++){
-                               c = s [i];
-                               if (!Char.IsWhiteSpace (c))
-                                       break;
-                       }
-                       
-                       if (i == len)
-                               throw new FormatException ();
 
-                       if (s [i] == '+')
-                               i++;
+               [CLSCompliant (false)]
+               public static ushort Parse (string s, IFormatProvider provider)
+               {
+                       return Parse (s, NumberStyles.Integer, provider);
+               }
 
-                       for (; i < len; i++){
-                               c = s [i];
+               [CLSCompliant (false)]
+               public static ushort Parse (string s, NumberStyles style)
+               {
+                       return Parse (s, style, null);
+               }
 
-                               if (c >= '0' && c <= '9'){
-                                       ushort d = (ushort) (c - '0');
-                                       
-                                       val = checked ((ushort) (val * 10 + d));
-                                       digits_seen = true;
-                               } else {
-                                       if (Char.IsWhiteSpace (c)){
-                                               for (i++; i < len; i++){
-                                                       if (!Char.IsWhiteSpace (s [i]))
-                                                               throw new FormatException ();
-                                               }
-                                               break;
-                                       } else
-                                               throw new FormatException ();
-                               }
-                       }
-                       if (!digits_seen)
-                               throw new FormatException ();
-                       
-                       return val;
+               [CLSCompliant (false)]
+               public static ushort Parse (string s, NumberStyles style, IFormatProvider provider)
+               {
+                       uint tmpResult = UInt32.Parse (s, style, provider);
+                       if (tmpResult > UInt16.MaxValue)
+                               throw new OverflowException (Locale.GetText ("Value too large."));
 
+                       return (ushort) tmpResult;
                }
 
-               public static ushort Parse (string s, IFormatProvider fp)
+               [CLSCompliant(false)]
+               public static ushort Parse (string s) 
                {
-                       return Parse (s, NumberStyles.Integer, fp);
+                       return Parse (s, NumberStyles.Number, null);
                }
 
-               public static ushort Parse (string s, NumberStyles style)
+#if NET_2_0
+               [CLSCompliant(false)]
+               public static bool TryParse (string s, out ushort result) 
                {
-                       return Parse (s, style, null);
+                       return TryParse (s, NumberStyles.Integer, null, out result);
                }
 
-               [TODO]
-               public static ushort Parse (string s, NumberStyles style, IFormatProvider fp)
+               [CLSCompliant(false)]
+               public static bool TryParse (string s, NumberStyles style, IFormatProvider provider, out ushort result) 
                {
-                       // TODO: Implement me
-                       throw new NotImplementedException ();
+                       uint tmpResult;
+                       result = 0;
+                               
+                       if (!UInt32.TryParse (s, style, provider, out tmpResult))
+                               return false;
+                               
+                       if (tmpResult > UInt16.MaxValue)
+                               return false;
+                               
+                       result = (ushort)tmpResult;
+                       return true;
                }
+#endif
 
                public override string ToString ()
                {
-                       return ToString ("G", null);
+                       return NumberFormatter.FormatGeneral (new NumberFormatter.NumberStore (m_value));
                }
 
-               public string ToString (IFormatProvider fp)
+               public string ToString (IFormatProvider provider)
                {
-                       return ToString ("G", fp);
+                       return NumberFormatter.FormatGeneral (new NumberFormatter.NumberStore (m_value), provider);
                }
 
                public string ToString (string format)
@@ -127,30 +155,91 @@ namespace System {
                        return ToString (format, null);
                }
 
-               public string ToString (string format, IFormatProvider fp)
+               public string ToString (string format, IFormatProvider provider)
                {
-                       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;
-                       }
-
-                       return IntegerFormatter.NumberToString (fmt, nfi, value);
+                       NumberFormatInfo nfi = NumberFormatInfo.GetInstance (provider);
+                       return NumberFormatter.NumberToString (format, m_value, nfi);
                }
 
                // =========== IConvertible Methods =========== //
-
                public TypeCode GetTypeCode ()
                {
                        return TypeCode.UInt16;
                }
+
+               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 System.Convert.ToSByte (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 m_value;
+               }
+
+               uint IConvertible.ToUInt32 (IFormatProvider provider)
+               {
+                       return System.Convert.ToUInt32 (m_value);
+               }
+
+               ulong IConvertible.ToUInt64 (IFormatProvider provider)
+               {
+                       return System.Convert.ToUInt64 (m_value);
+               }
        }
 }