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Claunia.Encoding/Claunia.Encoding/Gem.cs

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//
// Gem.cs
//
// Author:
// Natalia Portillo <claunia@claunia.com>
//
// Copyright © 2016-2021 Natalia Portillo
//
// 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.Text;
namespace Claunia.Encoding
{
/// <summary>Represents a GEM character encoding of Unicode characters.</summary>
public class Gem : SingleByteEncodingWithRunes
{
public override string BodyName => "gem";
public override int CodePage => 0;
public override string EncodingName => "Western European (GEM)";
public override string HeaderName => "gem";
public override string WebName => "";
public override int WindowsCodePage => 0;
public override bool IsBrowserDisplay => false;
public override bool IsBrowserSave => false;
public override bool IsMailNewsDisplay => false;
public override bool IsMailNewsSave => false;
public override bool IsReadOnly => false;
public override bool IsSingleByte => true;
/// <summary>The GEM to Unicode character map.</summary>
protected override Rune[] CharTable => new[]
{
// 0x00
new Rune(0x0000), new Rune(0x21E7), new Rune(0x21E9), new Rune(0x21E8), new Rune(0x21E6), new Rune(0x25FC),
new Rune(0x1F5D7), new Rune(0x25C6),
// 0x08
new Rune(0x2713), new Rune(0x1F552), new Rune(0x1F514), new Rune(0x266A), new Rune(0x25B4),
new Rune(0x25BE), new Rune(0x25B8), new Rune(0x25C2),
// 0x10
new Rune(0x25BA), new Rune(0x25C4), new Rune(0x29D3), new Rune(0x2582), new Rune(0x00B6), new Rune(0x00A7),
new Rune(0x2195), new Rune(0x21A8),
// 0x18
new Rune(0x2191), new Rune(0x2193), new Rune(0x2192), new Rune(0x2190), new Rune(0x221F), new Rune(0x2194),
new Rune(0x25B2), new Rune(0x25BC),
// 0x20
new Rune(0x0020), new Rune(0x0021), new Rune(0x0022), new Rune(0x0023), new Rune(0x0024), new Rune(0x0025),
new Rune(0x0026), new Rune(0x0027),
// 0x28
new Rune(0x0028), new Rune(0x0029), new Rune(0x002A), new Rune(0x002B), new Rune(0x002C), new Rune(0x002D),
new Rune(0x002E), new Rune(0x002F),
// 0x30
new Rune(0x0030), new Rune(0x0031), new Rune(0x0032), new Rune(0x0033), new Rune(0x0034), new Rune(0x0035),
new Rune(0x0036), new Rune(0x0037),
// 0x38
new Rune(0x0038), new Rune(0x0039), new Rune(0x003A), new Rune(0x003B), new Rune(0x003C), new Rune(0x003D),
new Rune(0x003E), new Rune(0x003F),
// 0x40
new Rune(0x0040), new Rune(0x0041), new Rune(0x0042), new Rune(0x0043), new Rune(0x0044), new Rune(0x0045),
new Rune(0x0046), new Rune(0x0047),
// 0x48
new Rune(0x0048), new Rune(0x0049), new Rune(0x004A), new Rune(0x004B), new Rune(0x004C), new Rune(0x004D),
new Rune(0x004E), new Rune(0x004F),
// 0x50
new Rune(0x0050), new Rune(0x0051), new Rune(0x0052), new Rune(0x0053), new Rune(0x0054), new Rune(0x0055),
new Rune(0x0056), new Rune(0x0057),
// 0x58
new Rune(0x0058), new Rune(0x0059), new Rune(0x005A), new Rune(0x005B), new Rune(0x005C), new Rune(0x005D),
new Rune(0x005E), new Rune(0x005F),
// 0x60
new Rune(0x0060), new Rune(0x0061), new Rune(0x0062), new Rune(0x0063), new Rune(0x0064), new Rune(0x0065),
new Rune(0x0066), new Rune(0x0067),
// 0x68
new Rune(0x0068), new Rune(0x0069), new Rune(0x006A), new Rune(0x006B), new Rune(0x006C), new Rune(0x006D),
new Rune(0x006E), new Rune(0x006F),
// 0x70
new Rune(0x0070), new Rune(0x0071), new Rune(0x0072), new Rune(0x0073), new Rune(0x0074), new Rune(0x0075),
new Rune(0x0076), new Rune(0x0077),
// 0x78
new Rune(0x0078), new Rune(0x0079), new Rune(0x007A), new Rune(0x007B), new Rune(0x007C), new Rune(0x007D),
new Rune(0x007E), new Rune(0x2302),
// 0x80
new Rune(0x00C7), new Rune(0x00FC), new Rune(0x00E9), new Rune(0x00E2), new Rune(0x00E4), new Rune(0x00E0),
new Rune(0x00E5), new Rune(0x00E7),
// 0x88
new Rune(0x00EA), new Rune(0x00EB), new Rune(0x00E8), new Rune(0x00EF), new Rune(0x00EE), new Rune(0x00EC),
new Rune(0x00C4), new Rune(0x00C5),
// 0x90
new Rune(0x00C9), new Rune(0x00E6), new Rune(0x00C6), new Rune(0x00F4), new Rune(0x00F6), new Rune(0x00F2),
new Rune(0x00FB), new Rune(0x00F9),
// 0x98
new Rune(0x00FF), new Rune(0x00D6), new Rune(0x00DC), new Rune(0x00FB), new Rune(0x00A3), new Rune(0x00D8),
new Rune(0x00A4), new Rune(0x0192),
// 0xA0
new Rune(0x00E1), new Rune(0x00ED), new Rune(0x00F3), new Rune(0x00FA), new Rune(0x00F1), new Rune(0x00D1),
new Rune(0x00AA), new Rune(0x00BA),
// 0xA8
new Rune(0x00BF), new Rune(0x201C), new Rune(0x201D), new Rune(0x2039), new Rune(0x203A), new Rune(0x00A1),
new Rune(0x00AB), new Rune(0x00BB),
// 0xB0
new Rune(0x00E3), new Rune(0x00F5), new Rune(0x00A5), new Rune(0x00A2), new Rune(0x0153), new Rune(0x0152),
new Rune(0x00C0), new Rune(0x00C3),
// 0xB8
new Rune(0x00D5), new Rune(0x00A7), new Rune(0x2021), new Rune(0x2020), new Rune(0x00B6), new Rune(0x00A9),
new Rune(0x00AE), new Rune(0x2122),
// 0xC0
new Rune(0x201E), new Rune(0x2026), new Rune(0x2030), new Rune(0x2022), new Rune(0x2013), new Rune(0x2014),
new Rune(0x2070), new Rune(0x00C1),
// 0xC8
new Rune(0x00C2), new Rune(0x00C8), new Rune(0x00CA), new Rune(0x00CB), new Rune(0x00CC), new Rune(0x00CD),
new Rune(0x00CE), new Rune(0x00CF),
// 0xD0
new Rune(0x00D2), new Rune(0x00D3), new Rune(0x00D4), new Rune(0x0160), new Rune(0x0161), new Rune(0x00D9),
new Rune(0x00DA), new Rune(0x00DB),
// 0xD8
new Rune(0x0178), new Rune(0x00DF), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xE0
new Rune(0x03B1), new Rune(0x03B2), new Rune(0x0393), new Rune(0x03C0), new Rune(0x03A3), new Rune(0x03C3),
new Rune(0x00B5), new Rune(0x03C4),
// 0xE8
new Rune(0x03A6), new Rune(0x0398), new Rune(0x03A9), new Rune(0x03B4), new Rune(0x222E), new Rune(0x0278),
new Rune(0x2208), new Rune(0x2229),
// 0xF0
new Rune(0x2261), new Rune(0x00B1), new Rune(0x2265), new Rune(0x2264), new Rune(0x2320), new Rune(0x2321),
new Rune(0x00F7), new Rune(0x2248),
// 0xF8
new Rune(0x00B0), new Rune(0x2219), new Rune(0x00B7), new Rune(0x221A), new Rune(0x207F), new Rune(0x00B2),
new Rune(0x25A0), new Rune(0x2205)
};
/// <summary>Converts a Unicode character to an GEM character</summary>
/// <returns>GEM character.</returns>
/// <param name="character">Unicode character.</param>
private protected override byte GetByte(Rune character) => character.Value switch
{
0x0000 => 0x00,
0x21E7 => 0x01,
0x21E9 => 0x02,
0x21E8 => 0x03,
0x21E6 => 0x04,
0x25FC => 0x05,
0x1F5D7 => 0x06,
0x25C6 => 0x07,
0x2713 => 0x08,
0x1F552 => 0x09,
0x1F514 => 0x0A,
0x266A => 0x0B,
0x25B4 => 0x0C,
0x25BE => 0x0D,
0x25B8 => 0x0E,
0x25C2 => 0x0F,
0x25BA => 0x10,
0x25C4 => 0x11,
0x29D3 => 0x12,
0x2582 => 0x13,
0x2195 => 0x16,
0x21A8 => 0x17,
0x2191 => 0x18,
0x2193 => 0x19,
0x2192 => 0x1A,
0x2190 => 0x1B,
0x221F => 0x1C,
0x2194 => 0x1D,
0x25B2 => 0x1E,
0x25BC => 0x1F,
0x0020 => 0x20,
0x0021 => 0x21,
0x0022 => 0x22,
0x0023 => 0x23,
0x0024 => 0x24,
0x0025 => 0x25,
0x0026 => 0x26,
0x0027 => 0x27,
0x0028 => 0x28,
0x0029 => 0x29,
0x002A => 0x2A,
0x002B => 0x2B,
0x002C => 0x2C,
0x002D => 0x2D,
0x002E => 0x2E,
0x002F => 0x2F,
0x0030 => 0x30,
0x0031 => 0x31,
0x0032 => 0x32,
0x0033 => 0x33,
0x0034 => 0x34,
0x0035 => 0x35,
0x0036 => 0x36,
0x0037 => 0x37,
0x0038 => 0x38,
0x0039 => 0x39,
0x003A => 0x3A,
0x003B => 0x3B,
0x003C => 0x3C,
0x003D => 0x3D,
0x003E => 0x3E,
0x003F => 0x3F,
0x0040 => 0x40,
0x0041 => 0x41,
0x0042 => 0x42,
0x0043 => 0x43,
0x0044 => 0x44,
0x0045 => 0x45,
0x0046 => 0x46,
0x0047 => 0x47,
0x0048 => 0x48,
0x0049 => 0x49,
0x004A => 0x4A,
0x004B => 0x4B,
0x004C => 0x4C,
0x004D => 0x4D,
0x004E => 0x4E,
0x004F => 0x4F,
0x0050 => 0x50,
0x0051 => 0x51,
0x0052 => 0x52,
0x0053 => 0x53,
0x0054 => 0x54,
0x0055 => 0x55,
0x0056 => 0x56,
0x0057 => 0x57,
0x0058 => 0x58,
0x0059 => 0x59,
0x005A => 0x5A,
0x005B => 0x5B,
0x005C => 0x5C,
0x005D => 0x5D,
0x005E => 0x5E,
0x005F => 0x5F,
0x0060 => 0x60,
0x0061 => 0x61,
0x0062 => 0x62,
0x0063 => 0x63,
0x0064 => 0x64,
0x0065 => 0x65,
0x0066 => 0x66,
0x0067 => 0x67,
0x0068 => 0x68,
0x0069 => 0x69,
0x006A => 0x6A,
0x006B => 0x6B,
0x006C => 0x6C,
0x006D => 0x6D,
0x006E => 0x6E,
0x006F => 0x6F,
0x0070 => 0x70,
0x0071 => 0x71,
0x0072 => 0x72,
0x0073 => 0x73,
0x0074 => 0x74,
0x0075 => 0x75,
0x0076 => 0x76,
0x0077 => 0x77,
0x0078 => 0x78,
0x0079 => 0x79,
0x007A => 0x7A,
0x007B => 0x7B,
0x007C => 0x7C,
0x007D => 0x7D,
0x007E => 0x7E,
0x2302 => 0x7F,
0x00C7 => 0x80,
0x00FC => 0x81,
0x00E9 => 0x82,
0x00E2 => 0x83,
0x00E4 => 0x84,
0x00E0 => 0x85,
0x00E5 => 0x86,
0x00E7 => 0x87,
0x00EA => 0x88,
0x00EB => 0x89,
0x00E8 => 0x8A,
0x00EF => 0x8B,
0x00EE => 0x8C,
0x00EC => 0x8D,
0x00C4 => 0x8E,
0x00C5 => 0x8F,
0x00C9 => 0x90,
0x00E6 => 0x91,
0x00C6 => 0x92,
0x00F4 => 0x93,
0x00F6 => 0x94,
0x00F2 => 0x95,
0x00FB => 0x96,
0x00F9 => 0x97,
0x00FF => 0x98,
0x00D6 => 0x99,
0x00DC => 0x9A,
0x00F8 => 0x9B,
0x00A3 => 0x9C,
0x00D8 => 0x9D,
0x00A4 => 0x9E,
0x0192 => 0x9F,
0x00E1 => 0xA0,
0x00ED => 0xA1,
0x00F3 => 0xA2,
0x00FA => 0xA3,
0x00F1 => 0xA4,
0x00D1 => 0xA5,
0x00AA => 0xA6,
0x00BA => 0xA7,
0x00BF => 0xA8,
0x201C => 0xA9,
0x201D => 0xAA,
0x2039 => 0xAB,
0x203A => 0xAC,
0x00A1 => 0xAD,
0x00AB => 0xAE,
0x00BB => 0xAF,
0x00E3 => 0xB0,
0x00F5 => 0xB1,
0x00A5 => 0xB2,
0x00A2 => 0xB3,
0x0153 => 0xB4,
0x0152 => 0xB5,
0x00C0 => 0xB6,
0x00C3 => 0xB7,
0x00D5 => 0xB8,
0x00A7 => 0xB9,
0x2821 => 0xBA,
0x2020 => 0xBB,
0x00B6 => 0xBC,
0x00A9 => 0xBD,
0x00AE => 0xBE,
0x2122 => 0xBF,
0x201E => 0xC0,
0x2026 => 0xC1,
0x2030 => 0xC2,
0x2022 => 0xC3,
0x2013 => 0xC4,
0x2014 => 0xC5,
0x2070 => 0xC6,
0x00C1 => 0xC7,
0x00C2 => 0xC8,
0x00C8 => 0xC9,
0x00CA => 0xCA,
0x00CB => 0xCB,
0x00CC => 0xCC,
0x00CD => 0xCD,
0x00CE => 0xCE,
0x00CF => 0xCF,
0x00D2 => 0xD0,
0x00D3 => 0xD1,
0x00D4 => 0xD2,
0x0160 => 0xD3,
0x0161 => 0xD4,
0x00D9 => 0xD5,
0x00DA => 0xD6,
0x00DB => 0xD7,
0x0178 => 0xD8,
0x00DF => 0xD9,
0x03B1 => 0xE0,
0x03B2 => 0xE1,
0x0393 => 0xE2,
0x03C0 => 0xE3,
0x03A3 => 0xE4,
0x03C3 => 0xE5,
0x00B5 => 0xE6,
0x03C4 => 0xE7,
0x03A6 => 0xE8,
0x0398 => 0xE9,
0x03A9 => 0xEA,
0x03B4 => 0xEB,
0x222E => 0xEC,
0x0278 => 0xED,
0x2208 => 0xEE,
0x2229 => 0xEF,
0x2261 => 0xF0,
0x00B1 => 0xF1,
0x2265 => 0xF2,
0x2264 => 0xF3,
0x2320 => 0xF4,
0x2321 => 0xF5,
0x00F7 => 0xF6,
0x2248 => 0xF7,
0x00B0 => 0xF8,
0x2219 => 0xF9,
0x00B7 => 0xFA,
0x221A => 0xFB,
0x207F => 0xFC,
0x00B2 => 0xFD,
0x25A0 => 0xFE,
0x2205 => 0xFF,
_ => 0x3F
};
}
}
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