//
// System.Globalization.CharUnicodeInfo.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// (C)2005 Novell Inc,
//
//
// Copyright (C) 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.
//
using System;
namespace System.Globalization{
public sealed class CharUnicodeInfo
{
private CharUnicodeInfo () {}
public static int GetDecimalDigitValue (char ch)
{
int i = (int) ch;
switch (i) {
// They are not decimal digits but are regarded as they were.
case 178:
return 2;
case 179:
return 3;
case 185:
return 1;
case 8304:
return 0;
}
// They are not decimal digits but are regarded as they were.
if (8308 <= i && i < 8314)
return i - 8304;
if (8320 <= i && i < 8330)
return i - 8320;
if (!Char.IsDigit (ch))
return -1;
if (i < 58)
return i - 48;
if (i < 1642)
return i - 1632;
if (i < 1786)
return i - 1776;
if (i < 2416)
return i - 2406;
if (i < 2544)
return i - 2534;
if (i < 2672)
return i - 2662;
if (i < 2800)
return i - 2790;
if (i < 2928)
return i - 2918;
if (i < 3056)
return i - 3046;
if (i < 3184)
return i - 3174;
if (i < 3312)
return i - 3302;
if (i < 3440)
return i - 3430;
if (i < 3674)
return i - 3664;
if (i < 3802)
return i - 3792;
if (i < 3882)
return i - 3872;
if (i < 4170)
return i - 4160;
if (i < 4978)
return i - 4968;
if (i < 6122)
return i - 6112;
if (i < 6170)
return i - 6160;
if (i < 8314)
return i - 8304;
if (i < 8330)
return i - 8320;
if (i < 65296)
return -1;
if (i < 65306)
return i - 65296;
return -1;
}
public static int GetDecimalDigitValue (string s, int index)
{
if (s == null)
throw new ArgumentNullException ("s");
return GetDecimalDigitValue (s [index]);
}
public static int GetDigitValue (char ch)
{
int i = GetDecimalDigitValue (ch);
if (i >= 0)
return i;
i = (int) ch;
if (i == 9450)
return 0;
// They are False in Char.IsDigit(), but returns a digit
if (i >= 9312 && i < 9321)
return i - 9311;
if (i >= 9332 && i < 9341)
return i - 9331;
if (i >= 9352 && i < 9361)
return i - 9351;
if (i >= 9461 && i < 9470)
return i - 9460;
if (i >= 10102 && i < 10111)
return i - 10101;
if (i >= 10112 && i < 10121)
return i - 10111;
if (i >= 10122 && i < 10131)
return i - 10121;
return -1;
}
public static int GetDigitValue (string s, int index)
{
if (s == null)
throw new ArgumentNullException ("s");
return GetDigitValue (s [index]);
}
public static double GetNumericValue (char ch)
{
int i = GetDigitValue (ch);
if (i >= 0)
return i;
i = (int) ch;
switch (i) {
case 188:
return 0.25;
case 189:
return 0.5;
case 190:
return 0.75;
case 2548:
return 1;
case 2549:
return 2;
case 2550:
return 3;
case 2551:
return 4;
case 2553:
return 16;
case 3056:
return 10;
case 3057:
return 100;
case 3058:
return 1000;
case 4988:
return 10000;
case 5870:
return 17;
case 5871:
return 18;
case 5872:
return 19;
case 8531:
return 1.0 / 3;
case 8532:
return 2.0 / 3;
case 8537:
return 1.0 / 6;
case 8538:
return 5.0 / 6;
case 8539:
return 1.0 / 8;
case 8540:
return 3.0 / 8;
case 8541:
return 5.0 / 8;
case 8542:
return 7.0 / 8;
case 8543:
return 1;
case 8556:
return 50;
case 8557:
return 100;
case 8558:
return 500;
case 8559:
return 1000;
case 8572:
return 50;
case 8573:
return 100;
case 8574:
return 500;
case 8575:
return 1000;
case 8576:
return 1000;
case 8577:
return 5000;
case 8578:
return 10000;
case 9470: // IsNumber(c) is False BTW.
case 10111:
case 10121:
case 10131:
return 10;
case 12295:
return 0;
case 12344:
return 10;
case 12345:
return 20;
case 12346:
return 30;
}
// They are not True by IsNumber() but regarded as they were.
if (9451 <= i && i < 9461)
return i - 9440;
if (12321 <= i && i < 12330)
return i - 12320;
if (12881 <= i && i < 12896)
return i - 12860;
if (12977 <= i && i < 12992)
return i - 12941;
if (!char.IsNumber (ch))
return -1;
if (i < 3891)
return 0.5 + i - 3882;
if (i < 4988)
return (i - 4977) * 10;
if (i < 8537)
return 0.2 * (i - 8532);
if (i < 8556)
return i - 8543;
if (i < 8572)
return i - 8559;
if (i < 9332)
return i - 9311;
if (i < 9352)
return i - 9331;
if (i < 9372)
return i - 9351;
if (i < 12694)
return i - 12689;
if (i < 12842)
return i - 12831;
if (i < 12938)
return i - 12927;
return -1;
}
public static double GetNumericValue (string s, int index)
{
if (s == null)
throw new ArgumentNullException ("s");
return GetNumericValue (s [index]);
}
public static UnicodeCategory GetUnicodeCategory (char ch)
{
return Char.GetUnicodeCategory (ch);
}
public static UnicodeCategory GetUnicodeCategory (string s, int index)
{
if (s == null)
throw new ArgumentNullException ("s");
return Char.GetUnicodeCategory (s, index);
}
}
}
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