// Jackson Harper (jackson@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.com
-// (C) 2004 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2004-2005 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.
//
// Note about the ToString()'s. ECMA says there's only a ToString() method,
// which appears to just be a Convert.ToString(char c) type method. ECMA also
// doesn't list this class as implementing IFormattable.
-using System;
using System.Globalization;
using System.Runtime.CompilerServices;
+#if NET_2_0
+using System.Runtime.InteropServices;
+#endif
namespace System
{
[Serializable]
+#if NET_2_0
+ [ComVisible (true)]
+ public struct Char : IComparable, IConvertible, IComparable <char>, IEquatable <char>
+#else
public struct Char : IComparable, IConvertible
+#endif
{
public const char MaxValue = (char) 0xffff;
public const char MinValue = (char) 0;
- internal char value;
+ internal char m_value;
- static Char () {
+ static Char ()
+ {
unsafe {
- GetDataTablePointers (out category_data, out numeric_data,
- out numeric_data_values,
- out to_lower_data_low, out to_lower_data_high,
- out to_upper_data_low, out to_upper_data_high);
+ GetDataTablePointers (out category_data, out numeric_data, out numeric_data_values,
+ out to_lower_data_low, out to_lower_data_high, out to_upper_data_low, out to_upper_data_high);
}
}
throw new ArgumentException (Locale.GetText ("Value is not a System.Char"));
char xv = (char) v;
- if (value == xv)
+ if (m_value == xv)
return 0;
- if (value > xv)
+ if (m_value > xv)
return 1;
else
return -1;
if (!(o is Char))
return false;
- return ((Char) o).value == value;
+ return ((char) o) == m_value;
+ }
+
+#if NET_2_0
+ public int CompareTo (char value)
+ {
+ if (m_value == value)
+ return 0;
+
+ if (m_value > value)
+ return 1;
+ else
+ return -1;
+ }
+
+ public static string ConvertFromUtf32 (int utf32)
+ {
+ if (utf32 < 0 || utf32 > 0x10FFFF)
+ throw new ArgumentOutOfRangeException ("utf32", "The argument must be from 0 to 0x10FFFF.");
+ if (0xD800 <= utf32 && utf32 <= 0xDFFF)
+ throw new ArgumentOutOfRangeException ("utf32", "The argument must not be in surrogate pair range.");
+ if (utf32 < 0x10000)
+ return new string ((char) utf32, 1);
+ utf32 -= 0x10000;
+ return new string (
+ new char [] {(char) ((utf32 >> 10) + 0xD800),
+ (char) (utf32 % 0x0400 + 0xDC00)});
+ }
+
+ public static int ConvertToUtf32 (char highSurrogate, char lowSurrogate)
+ {
+ if (highSurrogate < 0xD800 || 0xDBFF < highSurrogate)
+ throw new ArgumentOutOfRangeException ("highSurrogate");
+ if (lowSurrogate < 0xDC00 || 0xDFFF < lowSurrogate)
+ throw new ArgumentOutOfRangeException ("lowSurrogate");
+
+ return 0x10000 + ((highSurrogate - 0xD800) << 10) + (lowSurrogate - 0xDC00);
}
+ public static int ConvertToUtf32 (string s, int index)
+ {
+ if (s == null)
+ throw new ArgumentNullException ("s");
+ if (index < 0 || index >= s.Length)
+ throw new ArgumentOutOfRangeException ("index");
+ if (!Char.IsSurrogate (s [index]))
+ return s [index];
+ if (!Char.IsHighSurrogate (s [index])
+ || index == s.Length - 1
+ || !Char.IsLowSurrogate (s [index + 1]))
+ throw new ArgumentException (String.Format ("The string contains invalid surrogate pair character at {0}", index));
+ return ConvertToUtf32 (s [index], s [index + 1]);
+ }
+
+ public bool Equals (char value)
+ {
+ return m_value == value;
+ }
+
+ public static bool IsSurrogatePair (char high, char low)
+ {
+ return '\uD800' <= high && high <= '\uDBFF'
+ && '\uDC00' <= low && low <= '\uDFFF';
+ }
+
+ public static bool IsSurrogatePair (string s, int index)
+ {
+ if (s == null)
+ throw new ArgumentNullException ("s");
+ if (index < 0 || index >= s.Length)
+ throw new ArgumentOutOfRangeException ("index");
+ return index + 1 < s.Length && IsSurrogatePair (s [index], s [index + 1]);
+ }
+#endif
+
public override int GetHashCode ()
{
- return value;
+ return m_value;
}
public static double GetNumericValue (char c)
public static double GetNumericValue (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
-
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return GetNumericValue (str[index]);
}
public static UnicodeCategory GetUnicodeCategory (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
- throw new ArgumentOutOfRangeException (Locale.GetText ("The value of index is less "+
- "than zero, or greater than or equal to the length of str"));
+ throw new ArgumentOutOfRangeException (Locale.GetText (
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return GetUnicodeCategory (str[index]);
}
public static bool IsControl (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("Str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsControl (str[index]);
}
public static bool IsDigit (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("Str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsDigit (str[index]);
}
+#if NET_2_0
+ public static bool IsHighSurrogate (char c)
+ {
+ return c >= '\uD800' && c <= '\uDBFF';
+ }
+
+ public static bool IsHighSurrogate (string s, int index)
+ {
+ if (s == null)
+ throw new ArgumentNullException ("s");
+
+ if (index < 0 || index >= s.Length)
+ throw new ArgumentOutOfRangeException ("index");
+
+ return IsHighSurrogate (s [index]);
+ }
+#endif
+
public static bool IsLetter (char c)
{
unsafe {
public static bool IsLetter (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsLetter (str[index]);
}
public static bool IsLetterOrDigit (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsLetterOrDigit (str[index]);
}
public static bool IsLower (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsLower (str[index]);
}
+#if NET_2_0
+ public static bool IsLowSurrogate (char c)
+ {
+ return c >= '\uDC00' && c <= '\uDFFF';
+ }
+
+ public static bool IsLowSurrogate (string s, int index)
+ {
+ if (s == null)
+ throw new ArgumentNullException ("s");
+
+ if (index < 0 || index >= s.Length)
+ throw new ArgumentOutOfRangeException ("index");
+
+ return IsLowSurrogate (s [index]);
+ }
+#endif
+
public static bool IsNumber (char c)
{
unsafe {
public static bool IsNumber (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsNumber (str[index]);
}
public static bool IsPunctuation (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsPunctuation (str[index]);
}
public static bool IsSeparator (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsSeparator (str[index]);
}
public static bool IsSurrogate (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsSurrogate (str[index]);
}
public static bool IsSymbol (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsSymbol (str[index]);
}
public static bool IsUpper (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsUpper (str[index]);
}
case (char)0x0d:
case (char)0x85: // NEL
case (char)0x2028: // Line Separator
- case (char)0x2029: // Paragraph Separator
+ case (char)0x2029: // Paragraph Separator
+#if NET_2_0
+ case (char)0x205F: // Medium Mathematical Space
+#endif
return true;
default:
return false;
public static bool IsWhiteSpace (string str, int index)
{
if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ throw new ArgumentNullException ("str");
if (index < 0 || index >= str.Length)
throw new ArgumentOutOfRangeException (Locale.GetText (
- "The value of index is less than zero, or greater than or equal to the length of str"));
+ "The value of index is less than zero, or greater than or equal to the length of str."));
return IsWhiteSpace (str[index]);
}
+#if NET_2_0
+ public static bool TryParse (string s, out char result)
+ {
+ if (s == null || s.Length != 1) {
+ result = (char) 0;
+ return false;
+ }
+
+ result = s [0];
+ return true;
+ }
+#endif
+
public static char Parse (string str)
{
- if (str == null)
- throw new ArgumentNullException (Locale.GetText ("str is a null reference"));
+ if (str == null)
+ throw new ArgumentNullException ("str");
if (str.Length != 1)
throw new FormatException ("string contains more than one character.");
}
public static char ToLower (char c)
+ {
+ return ToLower (c, CultureInfo.CurrentCulture);
+ }
+
+#if NET_2_0
+ public static char ToLowerInvariant (char c)
+#else
+ internal static char ToLowerInvariant (char c)
+#endif
{
unsafe {
if (c <= ((char)0x24cf))
return (char) to_lower_data_low [c];
- if (c >= ((char)0xff41))
- return (char) to_lower_data_high[c - 0xff41];
+ if (c >= ((char)0xff21))
+ return (char) to_lower_data_high[c - 0xff21];
}
return c;
}
- [MonoTODO]
public static char ToLower (char c, CultureInfo culture)
{
- //TODO ignored culture for now
- return ToLower (c);
+ if (culture == null)
+ throw new ArgumentNullException ("culture");
+ if (culture.LCID == 0x007F) // Invariant
+ return ToLowerInvariant (c);
+
+ return culture.TextInfo.ToLower (c);
}
public static char ToUpper (char c)
+ {
+ return ToUpper (c, CultureInfo.CurrentCulture);
+ }
+
+#if NET_2_0
+ public static char ToUpperInvariant (char c)
+#else
+ internal static char ToUpperInvariant (char c)
+#endif
{
unsafe {
- if (c <= ((char)0x24cf))
+ if (c <= ((char)0x24e9))
return (char) to_upper_data_low [c];
if (c >= ((char)0xff21))
return (char) to_upper_data_high [c - 0xff21];
return c;
}
- [MonoTODO]
- public static char ToUpper(char c, CultureInfo culture)
+ public static char ToUpper (char c, CultureInfo culture)
{
- //TODO ignored culture for now
- return ToUpper (c);
- }
+ if (culture == null)
+ throw new ArgumentNullException ("culture");
+ if (culture.LCID == 0x007F) // Invariant
+ return ToUpperInvariant (c);
+ return culture.TextInfo.ToUpper (c);
+ }
+
public override string ToString ()
{
// LAMESPEC: ECMA draft lists this as returning ToString (null),
// However it doesn't list another ToString() method.
- return new String (value, 1);
+ return new String (m_value, 1);
}
public static string ToString(char c)
public string ToString (IFormatProvider fp)
{
// LAMESPEC: ECMA draft doesn't say Char implements IFormattable
- return new String (value, 1);
+ return new String (m_value, 1);
}
// =========== IConvertible Methods =========== //
object IConvertible.ToType (Type conversionType, IFormatProvider provider)
{
- return System.Convert.ToType(value, conversionType, provider);
+ return System.Convert.ToType(m_value, conversionType, provider);
}
bool IConvertible.ToBoolean (IFormatProvider provider)
byte IConvertible.ToByte (IFormatProvider provider)
{
- return System.Convert.ToByte(value);
+ return System.Convert.ToByte(m_value);
}
char IConvertible.ToChar (IFormatProvider provider)
{
- return value;
+ return m_value;
}
- [CLSCompliant(false)]
DateTime IConvertible.ToDateTime (IFormatProvider provider)
{
throw new InvalidCastException();
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)
throw new InvalidCastException();
}
- string IConvertible.ToString (IFormatProvider provider)
- {
- return ToString(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 System.Convert.ToUInt64(value);
+ return System.Convert.ToUInt64(m_value);
}
}
}