// Miguel de Icaza (miguel@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.com
+// Copyright (C) 2004 Novell, Inc (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 {
-
- [CLSCompliant(false)]
- public struct UInt64 : IComparable, IFormattable { //, IConvertible {
- private static Type Type = typeof (ulong);
-
+namespace System
+{
+ [Serializable]
+ [CLSCompliant (false)]
+ public struct UInt64 : IFormattable, IConvertible,
+#if NET_2_0
+ IComparable, IComparable<UInt64>
+#else
+ IComparable
+#endif
+ {
public const ulong MaxValue = 0xffffffffffffffff;
public const ulong MinValue = 0;
-
- public ulong value;
- public int CompareTo (object v)
+ internal ulong m_value;
+
+ public int CompareTo (object value)
{
- if (v == null)
+ if (value == null)
return 1;
- if (!(v is System.UInt64))
- throw new ArgumentException (Locale.GetText ("Value is not a System.UInt64"));
+ if (!(value is System.UInt64))
+ throw new ArgumentException (Locale.GetText ("Value is not a System.UInt64."));
- if (value == (ulong) v)
+ if (this.m_value == (ulong) value)
return 0;
- if (value < (ulong) v)
+ if (this.m_value < (ulong) value)
return -1;
return 1;
}
- public override bool Equals (object o)
+ public override bool Equals (object obj)
{
- if (!(o is System.UInt64))
+ if (!(obj is System.UInt64))
return false;
- return ((ulong) o) == value;
+ return ((ulong) obj) == m_value;
}
public override int GetHashCode ()
{
- return (int)(value & 0xffffffff) ^ (int)(value >> 32);
+ return (int)(m_value & 0xffffffff) ^ (int)(m_value >> 32);
}
+#if NET_2_0
+ public int CompareTo (ulong value)
+ {
+ if (m_value == value)
+ return 0;
+ if (m_value > value)
+ return 1;
+ else
+ return -1;
+ }
+
+ public bool Equals (ulong value)
+ {
+ return value == m_value;
+ }
+#endif
+
+ [CLSCompliant (false)]
public static ulong Parse (string s)
{
return Parse (s, NumberStyles.Integer, null);
}
- public static ulong Parse (string s, IFormatProvider fp)
+ [CLSCompliant (false)]
+ public static ulong Parse (string s, IFormatProvider provider)
{
- return Parse (s, NumberStyles.Integer, fp);
+ return Parse (s, NumberStyles.Integer, provider);
}
+ [CLSCompliant (false)]
public static ulong Parse (string s, NumberStyles style)
{
return Parse (s, style, null);
}
- public static ulong Parse (string s, NumberStyles style, IFormatProvider fp)
+ internal static bool Parse (string s, NumberStyles style, IFormatProvider provider, bool tryParse, out ulong result)
{
- ulong val = 0;
- int j;
- for (j = 0; j < s.Length; ++j) {
- if (s [j] >= '0' && s [j] <= '9')
- val = val * 10 + s [j] - '0';
+ result = 0;
+
+ if (s == null)
+ if (tryParse)
+ return false;
else
+ throw new ArgumentNullException ("s");
+
+ if (s.Length == 0)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+
+ NumberFormatInfo nfi;
+ if (provider != null) {
+ Type typeNFI = typeof (NumberFormatInfo);
+ nfi = (NumberFormatInfo) provider.GetFormat (typeNFI);
+ }
+ else
+ nfi = Thread.CurrentThread.CurrentCulture.NumberFormat;
+
+ Int32.CheckStyle (style);
+
+ 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)
+ pos = Int32.JumpOverWhite (pos, s, true);
+
+ 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)
+ pos = Int32.JumpOverWhite (pos, s, true);
+
+ if (s.Substring (pos, nfi.NegativeSign.Length) == nfi.NegativeSign)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ if (s.Substring (pos, nfi.PositiveSign.Length) == nfi.PositiveSign)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ }
+
+ if (AllowLeadingSign && !foundSign) {
+ // Sign + Currency
+ Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+ if (foundSign) {
+ if (AllowLeadingWhite)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ if (AllowCurrencySymbol) {
+ Int32.FindCurrency (ref pos, s, nfi,
+ ref foundCurrency);
+ if (foundCurrency && AllowLeadingWhite)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ }
+ }
+ }
+
+ if (AllowCurrencySymbol && !foundCurrency) {
+ // Currency + sign
+ Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
+ if (foundCurrency) {
+ if (AllowLeadingWhite)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ if (foundCurrency) {
+ if (!foundSign && AllowLeadingSign) {
+ Int32.FindSign (ref pos, s, nfi, ref foundSign,
+ ref negative);
+ if (foundSign && AllowLeadingWhite)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ }
+ }
+ }
+ }
+
+ ulong number = 0;
+ int nDigits = 0;
+ bool decimalPointFound = false;
+ ulong 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 = (ulong) (hexDigit - '0');
+ else if (Char.IsLower (hexDigit))
+ digitValue = (ulong) (hexDigit - 'a' + 10);
+ else
+ digitValue = (ulong) (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)
+ return false;
+ else
+ throw new OverflowException (Locale.GetText ("Value too large or too small."));
+ }
+ else {
+ nDigits++;
+
+ try {
+ number = checked (number * 10 + (ulong) (s [pos++] - '0'));
+ }
+ catch (OverflowException) {
+ if (tryParse)
+ return false;
+ else
+ throw new OverflowException (Locale.GetText ("Value too large or too small."));
+ }
+ }
+ } while (pos < s.Length);
+
+ // Post number stuff
+ if (nDigits == 0)
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+
+ if (AllowTrailingSign && !foundSign) {
+ // Sign + Currency
+ Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+ if (foundSign) {
+ if (AllowTrailingWhite)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ 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)
+ pos = Int32.JumpOverWhite (pos, s, true);
+ if (!foundSign && AllowTrailingSign)
+ Int32.FindSign (ref pos, s, nfi, ref foundSign, ref negative);
+ }
+ }
+
+ if (AllowTrailingWhite && pos < s.Length)
+ pos = Int32.JumpOverWhite (pos, s, false);
+
+ if (foundOpenParentheses) {
+ if (pos >= s.Length || s [pos++] != ')')
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText
+ ("Input string was not in the correct format."));
+ if (AllowTrailingWhite && pos < s.Length)
+ pos = Int32.JumpOverWhite (pos, s, false);
+ }
+
+ if (pos < s.Length && s [pos] != '\u0000')
+ if (tryParse)
+ return false;
+ else
+ throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+
+ // -0 is legal but other negative values are not
+ if (negative && (number > 0)) {
+ if (tryParse)
+ return false;
+ else
+ throw new OverflowException (
+ Locale.GetText ("Negative number"));
+ }
+
+ result = number;
+ return true;
+ }
+
+ [CLSCompliant (false)]
+ public static ulong Parse (string s, NumberStyles style, IFormatProvider fp) {
+ ulong res;
+
+ Parse (s, style, fp, false, out res);
+
+ return res;
+ }
+
+
+#if NET_2_0
+ [CLSCompliant (false)]
+ public static bool TryParse (string s, out ulong result) {
+ try {
+ return Parse (s, NumberStyles.Integer, null, true, out result);
+ }
+ catch (Exception) {
+ result = 0;
+ return false;
+ }
+ }
+
+ [CLSCompliant (false)]
+ public static bool TryParse (string s, NumberStyles style, IFormatProvider provider, out ulong result) {
+ try {
+ return Parse (s, style, provider, true, out result);
+ }
+ catch (Exception) {
+ result = 0;
+ return false;
}
- return val;
}
+#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)
+ 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;
- }
+ NumberFormatInfo nfi = NumberFormatInfo.GetInstance (provider);
- return IntegerFormatter.NumberToString (fmt, nfi, value);
+ // use "G" when format is null or String.Empty
+ if ((format == null) || (format.Length == 0))
+ format = "G";
+
+ return IntegerFormatter.NumberToString (format, nfi, m_value);
}
// =========== IConvertible Methods =========== //
-
public TypeCode GetTypeCode ()
{
return TypeCode.UInt64;
}
+
+ 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 System.Convert.ToUInt32 (m_value);
+ }
+
+ ulong IConvertible.ToUInt64 (IFormatProvider provider)
+ {
+ return m_value;
+ }
}
}