// 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;
{
[Serializable]
[CLSCompliant (false)]
- public struct UInt64 : IComparable, IFormattable, IConvertible
+#if NET_2_0
+ [System.Runtime.InteropServices.ComVisible (true)]
+#endif
+ public struct UInt64 : IFormattable, IConvertible, IComparable
+#if NET_2_0
+ , IComparable<UInt64>, IEquatable <UInt64>
+#endif
{
public const ulong MaxValue = 0xffffffffffffffff;
public const ulong MinValue = 0;
- internal ulong value;
+ internal ulong m_value;
public int CompareTo (object value)
{
if (!(value is System.UInt64))
throw new ArgumentException (Locale.GetText ("Value is not a System.UInt64."));
- if (this.value == (ulong) value)
- return 0;
+ ulong int64 = (ulong) value;
- if (this.value < (ulong) value)
- return -1;
+ if (m_value == int64)
+ return 0;
- return 1;
+ return (m_value < int64) ? -1 : 1;
}
public override bool Equals (object obj)
if (!(obj is System.UInt64))
return false;
- return ((ulong) obj) == 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 obj)
+ {
+ return obj == m_value;
}
+#endif
[CLSCompliant (false)]
public static ulong Parse (string s)
return Parse (s, style, null);
}
- [CLSCompliant (false)]
- public static ulong Parse (string s, NumberStyles style, IFormatProvider provider)
+ internal static bool Parse (string s, NumberStyles style, IFormatProvider provider, bool tryParse, out ulong result, out Exception exc)
{
- if (s == null)
- throw new ArgumentNullException ("s");
+ result = 0;
+ exc = null;
- if (s.Length == 0)
- throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ 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) {
else
nfi = Thread.CurrentThread.CurrentCulture.NumberFormat;
- Int32.CheckStyle (style);
+ if (!Int32.CheckStyle (style, tryParse, ref exc))
+ return false;
bool AllowCurrencySymbol = (style & NumberStyles.AllowCurrencySymbol) != 0;
- bool AllowExponent = (style & NumberStyles.AllowExponent) != 0;
bool AllowHexSpecifier = (style & NumberStyles.AllowHexSpecifier) != 0;
bool AllowThousands = (style & NumberStyles.AllowThousands) != 0;
bool AllowDecimalPoint = (style & NumberStyles.AllowDecimalPoint) != 0;
int pos = 0;
- if (AllowLeadingWhite)
- pos = Int32.JumpOverWhite (pos, s, true);
+ if (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+ return false;
bool foundOpenParentheses = false;
bool negative = false;
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 (AllowLeadingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+ return false;
- if (s.Substring (pos, nfi.NegativeSign.Length) == nfi.NegativeSign)
- throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
- if (s.Substring (pos, nfi.PositiveSign.Length) == nfi.PositiveSign)
- throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ 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)
- pos = Int32.JumpOverWhite (pos, s, true);
+ 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)
- pos = Int32.JumpOverWhite (pos, s, true);
+ if (foundCurrency && AllowLeadingWhite &&
+ !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+ return false;
}
}
}
// Currency + sign
Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
if (foundCurrency) {
- if (AllowLeadingWhite)
- pos = Int32.JumpOverWhite (pos, s, true);
+ 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)
- pos = Int32.JumpOverWhite (pos, s, true);
+ if (foundSign && AllowLeadingWhite &&
+ !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+ return false;
}
}
}
else
digitValue = (ulong) (hexDigit - 'A' + 10);
- number = checked (number * 16 + digitValue);
+ if (tryParse){
+ // Any number above 32 will do
+ bool can_overflow = number > 0xffff;
+
+ number = number * 16 + digitValue;
+
+ if (can_overflow && number < 16)
+ return false;
+ } else
+ 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')
- throw new OverflowException (Locale.GetText ("Value too large or too small."));
+ if (s [pos++] != '0') {
+ if (!tryParse)
+ exc = new OverflowException (Locale.GetText ("Value too large or too small."));
+ return false;
+ }
}
else {
nDigits++;
number = checked (number * 10 + (ulong) (s [pos++] - '0'));
}
catch (OverflowException) {
- throw new OverflowException (Locale.GetText ("Value too large or too small."));
+ 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)
- throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ 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)
- pos = Int32.JumpOverWhite (pos, s, true);
+ if (AllowTrailingWhite && !Int32.JumpOverWhite (ref pos, s, true, tryParse, ref exc))
+ return false;
if (AllowCurrencySymbol)
Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
}
// Currency + sign
Int32.FindCurrency (ref pos, s, nfi, ref foundCurrency);
if (foundCurrency) {
- if (AllowTrailingWhite)
- pos = Int32.JumpOverWhite (pos, s, true);
+ 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)
- pos = Int32.JumpOverWhite (pos, s, false);
+ if (AllowTrailingWhite && pos < s.Length && !Int32.JumpOverWhite (ref pos, s, false, tryParse, ref exc))
+ return false;
if (foundOpenParentheses) {
- if (pos >= s.Length || s [pos++] != ')')
- 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++] != ')') {
+ 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')
- throw new FormatException (Locale.GetText ("Input string was not in the correct format."));
+ 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;
+ }
+
+ [CLSCompliant (false)]
+ public static ulong Parse (string s, NumberStyles style, IFormatProvider provider)
+ {
+ Exception exc;
+ ulong res;
- if (negative)
- throw new OverflowException (Locale.GetText ("Value too large or too small."));
+ if (!Parse (s, style, provider, false, out res, out exc))
+ throw exc;
- return number;
+ return res;
}
+
+#if NET_2_0
+ [CLSCompliant (false)]
+ public static bool TryParse (string s, out ulong result)
+ {
+ Exception exc;
+ if (!Parse (s, NumberStyles.Integer, null, true, out result, out exc)) {
+ result = 0;
+ return false;
+ }
+
+ return true;
+ }
+
+ [CLSCompliant (false)]
+ public static bool TryParse (string s, NumberStyles style, IFormatProvider provider, out ulong 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 ToString (null, null);
+ return NumberFormatter.NumberToString (m_value, null);
}
public string ToString (IFormatProvider provider)
{
- return ToString (null, provider);
+ return NumberFormatter.NumberToString (m_value, provider);
}
public string ToString (string format)
public string ToString (string format, IFormatProvider provider)
{
- NumberFormatInfo nfi = NumberFormatInfo.GetInstance (provider);
-
- if (format == null)
- format = "G";
-
- return IntegerFormatter.NumberToString (format, nfi, value);
+ return NumberFormatter.NumberToString (format, m_value, provider);
}
// =========== IConvertible Methods =========== //
bool IConvertible.ToBoolean (IFormatProvider provider)
{
- return System.Convert.ToBoolean (value);
+ return System.Convert.ToBoolean (m_value);
}
byte IConvertible.ToByte (IFormatProvider provider)
{
- return System.Convert.ToByte (value);
+ return System.Convert.ToByte (m_value);
}
char IConvertible.ToChar (IFormatProvider provider)
{
- return System.Convert.ToChar (value);
+ return System.Convert.ToChar (m_value);
}
DateTime IConvertible.ToDateTime (IFormatProvider provider)
{
- return System.Convert.ToDateTime (value);
+ return System.Convert.ToDateTime (m_value);
}
decimal IConvertible.ToDecimal (IFormatProvider provider)
{
- return System.Convert.ToDecimal (value);
+ return System.Convert.ToDecimal (m_value);
}
double IConvertible.ToDouble (IFormatProvider provider)
{
- return System.Convert.ToDouble (value);
+ return System.Convert.ToDouble (m_value);
}
short IConvertible.ToInt16 (IFormatProvider provider)
{
- return System.Convert.ToInt16 (value);
+ return System.Convert.ToInt16 (m_value);
}
int IConvertible.ToInt32 (IFormatProvider provider)
{
- return System.Convert.ToInt32 (value);
+ return System.Convert.ToInt32 (m_value);
}
long IConvertible.ToInt64 (IFormatProvider provider)
{
- return System.Convert.ToInt64 (value);
+ return System.Convert.ToInt64 (m_value);
}
- [CLSCompliant (false)]
sbyte IConvertible.ToSByte(IFormatProvider provider)
{
- return System.Convert.ToSByte (value);
+ return System.Convert.ToSByte (m_value);
}
float IConvertible.ToSingle (IFormatProvider provider)
{
- return System.Convert.ToSingle (value);
+ return System.Convert.ToSingle (m_value);
}
object IConvertible.ToType (Type conversionType, IFormatProvider provider)
{
- return System.Convert.ToType (value, conversionType, provider);
+ return System.Convert.ToType (m_value, conversionType, provider);
}
- [CLSCompliant (false)]
ushort IConvertible.ToUInt16 (IFormatProvider provider)
{
- return System.Convert.ToUInt16 (value);
+ return System.Convert.ToUInt16 (m_value);
}
- [CLSCompliant (false)]
uint IConvertible.ToUInt32 (IFormatProvider provider)
{
- return System.Convert.ToUInt32 (value);
+ return System.Convert.ToUInt32 (m_value);
}
- [CLSCompliant (false)]
ulong IConvertible.ToUInt64 (IFormatProvider provider)
{
- return value;
+ return m_value;
}
}
}
projects / mono.git / blobdiff