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Claunia.Encoding/Claunia.Encoding/ZX80.cs

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//
// ZX80.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 ZX80 character encoding of Unicode characters.</summary>
public class ZX80 : SingleByteEncodingWithRunes
{
/// <inheritdoc />
public override string BodyName => "zx80";
/// <inheritdoc />
public override int CodePage => 0;
/// <inheritdoc />
public override string EncodingName => "Sinclair ZX80 character set";
/// <inheritdoc />
public override string HeaderName => "zx80";
/// <inheritdoc />
public override string WebName => "";
/// <inheritdoc />
public override int WindowsCodePage => 0;
/// <inheritdoc />
public override bool IsBrowserDisplay => false;
/// <inheritdoc />
public override bool IsBrowserSave => false;
/// <inheritdoc />
public override bool IsMailNewsDisplay => false;
/// <inheritdoc />
public override bool IsMailNewsSave => false;
/// <inheritdoc />
public override bool IsReadOnly => false;
/// <inheritdoc />
public override bool IsSingleByte => true;
/// <summary>The ZX80 to Unicode character map.</summary>
protected override Rune[] CharTable => new[]
{
// 0x00
new Rune(0x0020), new Rune(0x0022), new Rune(0x258C), new Rune(0x2584), new Rune(0x2598), new Rune(0x259D),
new Rune(0x2596), new Rune(0x2597),
// 0x08
new Rune(0x259E), new Rune(0x2592), new Rune(0x1FB8F), new Rune(0x1FB8E), new Rune(0x00A3),
new Rune(0x0024), new Rune(0x003A), new Rune(0x003F),
// 0x10
new Rune(0x0028), new Rune(0x0029), new Rune(0x002D), new Rune(0x002B), new Rune(0x002A), new Rune(0x002F),
new Rune(0x003D), new Rune(0x003E),
// 0x18
new Rune(0x003C), new Rune(0x003B), new Rune(0x002C), new Rune(0x002E), new Rune(0x0030), new Rune(0x0031),
new Rune(0x0032), new Rune(0x0033),
// 0x20
new Rune(0x0034), new Rune(0x0035), new Rune(0x0036), new Rune(0x0037), new Rune(0x0038), new Rune(0x0039),
new Rune(0x0041), new Rune(0x0042),
// 0x28
new Rune(0x0043), new Rune(0x0044), new Rune(0x0045), new Rune(0x0046), new Rune(0x0047), new Rune(0x0048),
new Rune(0x0049), new Rune(0x004A),
// 0x30
new Rune(0x004B), new Rune(0x004C), new Rune(0x004D), new Rune(0x004E), new Rune(0x004F), new Rune(0x0050),
new Rune(0x0051), new Rune(0x0052),
// 0x38
new Rune(0x0053), new Rune(0x0054), new Rune(0x0055), new Rune(0x0056), new Rune(0x0057), new Rune(0x0058),
new Rune(0x0059), new Rune(0x005A),
// 0x40
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x48
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x50
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x58
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x60
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x68
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x70
new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0x000D), new Rune(0xFFFD),
new Rune(0x000A), new Rune(0x0008),
// 0x78
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0x80
new Rune(0x2588), new Rune(0xFFFD), new Rune(0x2590), new Rune(0x2580), new Rune(0x2599), new Rune(0x259C),
new Rune(0x259B), new Rune(0x259A),
// 0x88
new Rune(0x2592), new Rune(0x1FB90), new Rune(0x1FB91), new Rune(0x1FB92), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
// 0x90
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0x98
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xA0
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xA8
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xB0
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xB8
new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD), new Rune(0xFFFD),
new Rune(0xFFFD), new Rune(0xFFFD),
// 0xC0
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0xC8
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000),
new Rune(0x0000), new Rune(0x0000),
// 0xD0
new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0x0000), new Rune(0xFFFF), new Rune(0xFFFF),
new Rune(0xFFFF), new Rune(0xFFFF),
// 0xD8
new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF),
new Rune(0xFFFF), new Rune(0xFFFF),
// 0xE0
new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF),
new Rune(0xFFFF), new Rune(0xFFFF),
// 0xE8
new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF),
new Rune(0xFFFF), new Rune(0xFFFF),
// 0xF0
new Rune(0xFFFF), new Rune(0x0000), new Rune(0x0000), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0x0000),
new Rune(0xFFFF), new Rune(0xFFFF),
// 0xF8
new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF), new Rune(0xFFFF),
new Rune(0xFFFF), new Rune(0x0000)
};
/// <summary>Converts a Unicode character to an ZX80 character</summary>
/// <returns>ZX80 character.</returns>
/// <param name="character">Unicode character.</param>
private protected override byte GetByte(Rune character) => character.Value switch
{
0x0020 => 0x00,
0x0022 => 0x01,
0x258C => 0x02,
0x2584 => 0x03,
0x2598 => 0x04,
0x259D => 0x05,
0x2596 => 0x06,
0x2597 => 0x07,
0x259E => 0x08,
0x2592 => 0x09,
0x1FB8F => 0x0A,
0x1FB8E => 0x0B,
0x00A3 => 0x0C,
0x0024 => 0x0D,
0x003A => 0x0E,
0x003F => 0x0F,
0x0028 => 0x10,
0x0029 => 0x11,
0x002D => 0x12,
0x002B => 0x13,
0x002A => 0x14,
0x002F => 0x15,
0x003D => 0x16,
0x003E => 0x17,
0x003C => 0x18,
0x003B => 0x19,
0x002C => 0x1A,
0x002E => 0x1B,
0x0030 => 0x1C,
0x0031 => 0x1D,
0x0032 => 0x1E,
0x0033 => 0x1F,
0x0034 => 0x20,
0x0035 => 0x21,
0x0036 => 0x22,
0x0037 => 0x23,
0x0038 => 0x24,
0x0039 => 0x25,
0x0041 => 0x26,
0x0042 => 0x27,
0x0043 => 0x28,
0x0044 => 0x29,
0x0045 => 0x2A,
0x0046 => 0x2B,
0x0047 => 0x2C,
0x0048 => 0x2D,
0x0049 => 0x2E,
0x004A => 0x2F,
0x004B => 0x30,
0x004C => 0x31,
0x004D => 0x32,
0x004E => 0x33,
0x004F => 0x34,
0x0050 => 0x35,
0x0051 => 0x36,
0x0052 => 0x37,
0x0053 => 0x38,
0x0054 => 0x39,
0x0055 => 0x3A,
0x0056 => 0x3B,
0x0057 => 0x3C,
0x0058 => 0x3D,
0x0059 => 0x3E,
0x005A => 0x3F,
0x000D => 0x74,
0x000A => 0x76,
0x0008 => 0x77,
0x2588 => 0x80,
0x2590 => 0x82,
0x2580 => 0x83,
0x259F => 0x84,
0x2599 => 0x85,
0x259C => 0x86,
0x259B => 0x87,
0x259A => 0x88,
0x1FB90 => 0x89,
0x1FB91 => 0x8A,
0x1FB92 => 0x8B,
_ => 0x0F
};
}
}
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