* roottypes.cs: Rename from tree.cs.
[mono.git] / mcs / class / corlib / System / UInt32.cs
index c65744d9def06a7eb984bd65ff070fc4b3f0ff99..bf83021ece2b11015465f9819e01e90527b4a343 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;
+using System.Threading;
 
-namespace System {
-       
-       public struct UInt32 : IComparable, IFormattable {
-               public const uint MinValue = 0;
+namespace System
+{
+       [Serializable]
+       [CLSCompliant (false)]
+       public struct UInt32 : IFormattable, IConvertible, IComparable
+#if NET_2_0
+               , IComparable<UInt32>, IEquatable <UInt32>
+#endif
+       {
                public const uint MaxValue = 0xffffffff;
-               
-               public uint value;
+               public const uint MinValue = 0;
+
+               internal uint m_value;
 
-               public int CompareTo (object v)
+               public int CompareTo (object value)
                {
-                       if (!(v is System.UInt32))
-                               throw new ArgumentException ("Value is not a System.UInt32");
+                       if (value == null)
+                               return 1;
 
-                       if (value == (uint) v)
+                       if (!(value is System.UInt32))
+                               throw new ArgumentException (Locale.GetText ("Value is not a System.UInt32."));
+
+                       if (this.m_value == (uint) value)
                                return 0;
 
-                       if (value < (uint) v)
+                       if (this.m_value < (uint) value)
                                return -1;
 
                        return 1;
                }
 
-               public override bool Equals (object o)
+               public override bool Equals (object obj)
                {
-                       if (!(o is System.UInt32))
+                       if (!(obj is System.UInt32))
                                return false;
 
-                       return ((uint) o) == value;
+                       return ((uint) obj) == m_value;
                }
 
                public override int GetHashCode ()
                {
-                       return (int) value;
+                       return (int) m_value;
                }
 
-               public TypeCode GetTypeCode ()
+#if NET_2_0
+               public int CompareTo (uint value)
                {
-                       return TypeCode.UInt32;
+                       if (m_value == value)
+                               return 0;
+                       if (m_value > value)
+                               return 1;
+                       else
+                               return -1;
+               }
+
+               public bool Equals (uint value)
+               {
+                       return value == m_value;
                }
+#endif
 
-               public static uint Parse (string s)
+               internal static bool Parse (string s, bool tryParse, out uint result, out Exception exc)
                {
-                       // TODO: Implement me
-                       return 0;
+                       uint val = 0;
+                       int len;
+                       int i;
+                       bool digits_seen = false;
+                       bool has_negative_sign = false;
+
+                       result = 0;
+                       exc = null;
+
+                       if (s == null) {
+                               if (!tryParse)
+                                       exc = new ArgumentNullException ("s");
+                               return false;
+                       }
+
+                       len = s.Length;
+
+                       char c;
+                       for (i = 0; i < len; i++) {
+                               c = s [i];
+                               if (!Char.IsWhiteSpace (c))
+                                       break;
+                       }
+
+                       if (i == len) {
+                               if (!tryParse)
+                                       exc = Int32.GetFormatException ();
+                               return false;
+                       }
+
+                       if (s [i] == '+')
+                               i++;
+                       else
+                               if (s[i] == '-') {
+                                       i++;
+                                       has_negative_sign = true;
+                               }
+
+                       for (; i < len; i++) {
+                               c = s [i];
+
+                               if (c >= '0' && c <= '9') {
+                                       uint d = (uint) (c - '0');
+
+                                       val = checked (val * 10 + d);
+                                       digits_seen = true;
+                               }
+                               else {
+                                       if (Char.IsWhiteSpace (c)) {
+                                               for (i++; i < len; i++) {
+                                                       if (!Char.IsWhiteSpace (s [i])) {
+                                                               if (!tryParse)
+                                                                       exc = Int32.GetFormatException ();
+                                                               return false;
+                                                       }
+                                               }
+                                               break;
+                                       } else {
+                                               if (!tryParse)
+                                                       exc = Int32.GetFormatException ();
+                                               return false;
+                                       }
+                               }
+                       }
+                       if (!digits_seen) {
+                               if (!tryParse)
+                                       exc = Int32.GetFormatException ();
+                               return false;
+                       }
+
+                       // -0 is legal but other negative values are not
+                       if (has_negative_sign && (val > 0)) {
+                               if (!tryParse)
+                                       exc = new OverflowException (
+                                           Locale.GetText ("Negative number"));
+                               return false;
+                       }
+
+                       result = val;
+                       return true;
                }
 
-               public static uint Parse (string s, IFormatProvider fp)
+               internal static bool Parse (string s, NumberStyles style, IFormatProvider provider, bool tryParse, out uint result, out Exception exc)
                {
-                       // TODO: Implement me
-                       return 0;
+                       result = 0;
+                       exc = null;
+
+                       if (s == null) {
+                               if (!tryParse)
+                                       exc = new ArgumentNullException ("s");
+                               return false;
+                       }
+
+                       if (s.Length == 0) {
+                               if (!tryParse)
+                                       exc = Int32.GetFormatException ();
+                               return false;
+                       }
+
+                       NumberFormatInfo nfi;
+                       if (provider != null) {
+                               Type typeNFI = typeof (NumberFormatInfo);
+                               nfi = (NumberFormatInfo) provider.GetFormat (typeNFI);
+                       }
+                       else
+                               nfi = Thread.CurrentThread.CurrentCulture.NumberFormat;
+
+                       if (!Int32.CheckStyle (style, tryParse, ref exc))
+                               return false;
+
+                       bool AllowCurrencySymbol = (style & NumberStyles.AllowCurrencySymbol) != 0;
+                       bool AllowHexSpecifier = (style & NumberStyles.AllowHexSpecifier) != 0;
+                       bool AllowThousands = (style & NumberStyles.AllowThousands) != 0;
+                       bool AllowDecimalPoint = (style & NumberStyles.AllowDecimalPoint) != 0;
+                       bool AllowParentheses = (style & NumberStyles.AllowParentheses) != 0;
+                       bool AllowTrailingSign = (style & NumberStyles.AllowTrailingSign) != 0;
+                       bool AllowLeadingSign = (style & NumberStyles.AllowLeadingSign) != 0;
+                       bool AllowTrailingWhite = (style & NumberStyles.AllowTrailingWhite) != 0;
+                       bool AllowLeadingWhite = (style & NumberStyles.AllowLeadingWhite) != 0;
+
+                       int pos = 0;
+
+                       if (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                               return false;
+
+                       bool foundOpenParentheses = false;
+                       bool negative = false;
+                       bool foundSign = false;
+                       bool foundCurrency = false;
+
+                       // Pre-number stuff
+                       if (AllowParentheses && s [pos] == '(') {
+                               foundOpenParentheses = true;
+                               foundSign = true;
+                               negative = true; // MS always make the number negative when there parentheses
+                                                // even when NumberFormatInfo.NumberNegativePattern != 0!!!
+                               pos++;
+                               if (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                       return false;
+
+                               if (s.Substring (pos, nfi.NegativeSign.Length) == nfi.NegativeSign) {
+                                       if (!tryParse)
+                                               exc = Int32.GetFormatException ();
+                                       return false;
+                               }
+                               if (s.Substring (pos, nfi.PositiveSign.Length) == nfi.PositiveSign) {
+                                       if (!tryParse)
+                                               exc = Int32.GetFormatException ();
+                                       return false;
+                               }
+                       }
+
+                       if (AllowLeadingSign && !foundSign) {
+                               // Sign + Currency
+                               Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+                               if (foundSign) {
+                                       if (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                               return false;
+                                       if (AllowCurrencySymbol) {
+                                               Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
+                                               if (foundCurrency && AllowLeadingWhite &&
+                                                               !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                                       return false;
+                                       }
+                               }
+                       }
+
+                       if (AllowCurrencySymbol && !foundCurrency) {
+                               // Currency + sign
+                               Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
+                               if (foundCurrency) {
+                                       if (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                               return false;
+                                       if (foundCurrency) {
+                                               if (!foundSign && AllowLeadingSign) {
+                                                       Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+                                                       if (foundSign && AllowLeadingWhite &&
+                                                                       !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                                               return false;
+                                               }
+                                       }
+                               }
+                       }
+
+                       uint number = 0;
+                       int nDigits = 0;
+                       bool decimalPointFound = false;
+                       uint digitValue;
+                       char hexDigit;
+
+                       // Number stuff
+                       // Just the same as Int32, but this one adds instead of substract
+                       do {
+
+                               if (!Int32.ValidDigit (s [pos], AllowHexSpecifier)) {
+                                       if (AllowThousands && Int32.FindOther (ref pos, s, nfi.NumberGroupSeparator))
+                                               continue;
+                                       else
+                                               if (!decimalPointFound && AllowDecimalPoint &&
+                                                   Int32.FindOther (ref pos, s, nfi.NumberDecimalSeparator)) {
+                                                       decimalPointFound = true;
+                                                       continue;
+                                               }
+                                       break;
+                               }
+                               else if (AllowHexSpecifier) {
+                                       nDigits++;
+                                       hexDigit = s [pos++];
+                                       if (Char.IsDigit (hexDigit))
+                                               digitValue = (uint) (hexDigit - '0');
+                                       else if (Char.IsLower (hexDigit))
+                                               digitValue = (uint) (hexDigit - 'a' + 10);
+                                       else
+                                               digitValue = (uint) (hexDigit - 'A' + 10);
+
+                                       number = checked (number * 16 + digitValue);
+                               }
+                               else if (decimalPointFound) {
+                                       nDigits++;
+                                       // Allows decimal point as long as it's only 
+                                       // followed by zeroes.
+                                       if (s [pos++] != '0') {
+                                               if (!tryParse)
+                                                       exc = new OverflowException (Locale.GetText ("Value too large or too small."));
+                                               return false;
+                                       }
+                               }
+                               else {
+                                       nDigits++;
+
+                                       try {
+                                               number = checked (number * 10 + (uint) (s [pos++] - '0'));
+                                       }
+                                       catch (OverflowException) {
+                                               if (!tryParse)
+                                                       exc = new OverflowException (Locale.GetText ("Value too large or too small."));
+                                               return false;
+                                       }
+                               }
+                       } while (pos < s.Length);
+
+                       // Post number stuff
+                       if (nDigits == 0) {
+                               if (!tryParse)
+                                       exc = Int32.GetFormatException ();
+                               return false;
+                       }
+
+                       if (AllowTrailingSign && !foundSign) {
+                               // Sign + Currency
+                               Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+                               if (foundSign) {
+                                       if (AllowTrailingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                               return false;
+                                       if (AllowCurrencySymbol)
+                                               Int32. FindCurrency (ref pos, s, nfi, ref foundCurrency);
+                               }
+                       }
+
+                       if (AllowCurrencySymbol && !foundCurrency) {
+                               // Currency + sign
+                               Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
+                               if (foundCurrency) {
+                                       if (AllowTrailingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+                                               return false;
+                                       if (!foundSign && AllowTrailingSign)
+                                               Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+                               }
+                       }
+
+                       if (AllowTrailingWhite && pos < s.Length && !Int32.JumpOverWhite (ref pos, s, false, tryParse, ref exc))
+                               return false;
+
+                       if (foundOpenParentheses) {
+                               if (pos >= s.Length || s [pos++] != ')') {
+                                       if (!tryParse)
+                                               exc = Int32.GetFormatException ();
+                                       return false;
+                               }
+                               if (AllowTrailingWhite && pos < s.Length && !Int32.JumpOverWhite (ref pos, s, false, tryParse, ref exc))
+                                       return false;
+                       }
+
+                       if (pos < s.Length && s [pos] != '\u0000') {
+                               if (!tryParse)
+                                       exc = Int32.GetFormatException ();
+                               return false;
+                       }
+
+                       // -0 is legal but other negative values are not
+                       if (negative && (number > 0)) {
+                               if (!tryParse)
+                                       exc = new OverflowException (
+                                           Locale.GetText ("Negative number"));
+                               return false;
+                       }
+
+                       result = number;
+
+                       return true;
                }
 
-               public static uint Parse (string s, NumberStyles style, IFormatProvider fp)
+               [CLSCompliant (false)]
+               public static uint Parse (string s) 
                {
-                       // TODO: Implement me
-                       return 0;
+                       Exception exc;
+                       uint res;
+
+                       if (!Parse (s, false, out res, out exc))
+                               throw exc;
+
+                       return res;
                }
 
-               public override string ToString ()
+               [CLSCompliant (false)]
+               public static uint Parse (string s, NumberStyles style, IFormatProvider fp) 
+               {
+                       Exception exc;
+                       uint res;
+
+                       if (!Parse (s, style, fp, false, out res, out exc))
+                               throw exc;
+
+                       return res;
+               }
+
+               [CLSCompliant (false)]
+               public static uint Parse (string s, IFormatProvider provider)
+               {
+                       return Parse (s, NumberStyles.Integer, provider);
+               }
+
+               [CLSCompliant (false)]
+               public static uint Parse (string s, NumberStyles style)
                {
-                       // TODO: Implement me
+                       return Parse (s, style, null);
+               }
+
+#if NET_2_0
+               [CLSCompliant (false)]
+               public static bool TryParse (string s, out uint result) 
+               {
+                       Exception exc;
+                       if (!Parse (s, true, out result, out exc)) {
+                               result = 0;
+                               return false;
+                       }
 
-                       return "";
+                       return true;
+               }
+
+               [CLSCompliant (false)]
+               public static bool TryParse (string s, NumberStyles style, IFormatProvider provider, out uint result) 
+               {
+                       Exception exc;
+                       if (!Parse (s, style, provider, true, out result, out exc)) {
+                               result = 0;
+                               return false;
+                       }
+
+                       return true;
+               }
+#endif
+
+               public override string ToString ()
+               {
+                       return NumberFormatter.FormatGeneral (new NumberFormatter.NumberStore (m_value));
                }
 
                public string ToString (IFormatProvider fp)
                {
-                       // TODO: Implement me.
-                       return "";
+                       return NumberFormatter.FormatGeneral (new NumberFormatter.NumberStore (m_value), fp);
                }
 
                public string ToString (string format)
                {
-                       // TODO: Implement me.
-                       return "";
+                       return ToString (format, null);
                }
 
                public string ToString (string format, IFormatProvider fp)
                {
-                       // TODO: Implement me.
-                       return "";
+                       NumberFormatInfo nfi = NumberFormatInfo.GetInstance (fp);
+                       return NumberFormatter.NumberToString (format, m_value, nfi);
+               }
+
+               // =========== IConvertible Methods =========== //
+               public TypeCode GetTypeCode ()
+               {
+                       return TypeCode.UInt32;
+               }
+
+               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 System.Convert.ToUInt16 (m_value);
+               }
+
+               uint IConvertible.ToUInt32 (IFormatProvider provider)
+               {
+                       return m_value;
+               }
+
+               ulong IConvertible.ToUInt64 (IFormatProvider provider)
+               {
+                       return System.Convert.ToUInt64 (m_value);
                }
        }
 }