iso8859.cs

random generated with entropy computing

using System;

namespace entropy
{
	/// <summary>
	/// Summary description for iso8859.
	/// </summary>
	public sealed class iso8859
	{
		/* ISO 8859/1 Latin-1 alphabetic and upper and lower case bit vector tables. */

		/* LINTLIBRARY */

		char[] isoalpha = new char[32] {0,0,0,0,0,0,0,0,127,255,255,224,127,255,255,224,0,0,0,0,0,0,0,0,255,255,254,255,255,255,254,255};
		char[] isoupper =  new char[32] {0,0,0,0,0,0,0,0,127,255,255,224,0,0,0,0,0,0,0,0,0,0,0,0,255,255,254,254,0,0,0,0};
		char[] isolower = new char[32] 	{0,0,0,0,0,0,0,0,0,0,0,0,127,255,255,224,0,0,0,0,0,0,0,0,0,0,0,1,255,255,254,255};
		
		public static bool isascii(char x) 
		{
			return (x < 0x80);
		}
		public static bool isISOspace(char x)
		{
			return ((isascii(x) && isspace(x)) || (x == 0xA0));
		}
		public static bool isISOalpha(char x)
		{
			return ((isoalpha[(x / 8)] & (0x80 >> ((x % 8) != 0))));
		}
		public static bool isISOupper(char x)
		{
			return ((isoupper[(x / 8)] & (0x80 >> ((x % 8) != 0))));
		}
		public static bool isISOlower(char x)
		{
			return ((isolower[(x / 8)] & (0x80 >> (x % 8))) != 0);
		}

		public static bool isISOprint(char x)
		{
			return ((((x) >= ' ') && ((x) <= '~')) || ((x) >= 0xA0));
		}
		public static bool toISOupper(char x)
		{
			return (isISOlower(x) ? (isascii(((char) (x))) ? toupper(x) : (((((char) (x)) != 0xDF) && (((char) (x)) != 0xFF)) ? (((char) (x)) - 0x20) : (x))) : (x));
		}
		public static bool toISOlower(char x)
		{
			return (isISOupper(x) ? (isascii(((char) (x))) ?  tolower(x) : (((char) (x)) + 0x20)) : (x));
		}
	}
}