PKHeX/PKHeX.Core/PKM/Strings/StringConverter3.cs
Kurt a24e6e9cef Misc tweaks
Add notransfer for SV-ride legend
Replace dummy '0' in gen3 chartable to match Bulbapedia -- inaccessible char for entry anyways, and the byte never fetched via IndexOf due to the previous occurrence of '0'.
Enhance file namer interface to tag with a display name
2023-12-30 11:41:45 -08:00

159 lines
8.2 KiB
C#
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

using System;
namespace PKHeX.Core;
/// <summary>
/// Logic for converting a <see cref="string"/> for Generation 3.
/// </summary>
public static class StringConverter3
{
private const byte TerminatorByte = 0xFF;
private const char Terminator = (char)TerminatorByte;
private const char Apostrophe = '\''; //
private const byte ApostropheByte = 0xB4;
/// <summary>
/// Converts a Generation 3 encoded value array to string.
/// </summary>
/// <param name="data">Byte array containing string data.</param>
/// <param name="jp">Value source is Japanese font.</param>
/// <returns>Decoded string.</returns>
public static string GetString(ReadOnlySpan<byte> data, bool jp)
{
Span<char> result = stackalloc char[data.Length];
int i = LoadString(data, result, jp);
return new string(result[..i]);
}
/// <inheritdoc cref="GetString(ReadOnlySpan{byte},bool)"/>
/// <param name="data">Encoded data</param>
/// <param name="result">Decoded character result buffer</param>
/// <param name="jp">Data source is Japanese.</param>
/// <returns>Character count loaded.</returns>
public static int LoadString(ReadOnlySpan<byte> data, Span<char> result, bool jp)
{
var table = jp ? G3_JP : G3_EN;
int i = 0;
for (; i < data.Length; i++)
{
var value = data[i];
var c = table[value]; // Convert to Unicode
if (c == Terminator) // Stop if Terminator/Invalid
break;
result[i] = c;
}
return i;
}
/// <summary>
/// Converts a string to a Generation 3 encoded value array.
/// </summary>
/// <param name="buffer"></param>
/// <param name="value">Decoded string.</param>
/// <param name="maxLength">Maximum length of the input <see cref="value"/></param>
/// <param name="jp">String destination is Japanese font.</param>
/// <param name="option">Buffer pre-formatting option</param>
/// <returns>Encoded data.</returns>
public static int SetString(Span<byte> buffer, ReadOnlySpan<char> value, int maxLength, bool jp,
StringConverterOption option = StringConverterOption.ClearFF)
{
if (value.Length > maxLength)
value = value[..maxLength]; // Hard cap
if (option is StringConverterOption.ClearFF)
buffer.Fill(TerminatorByte);
else if (option is StringConverterOption.ClearZero)
buffer.Clear();
var table = jp ? G3_JP : G3_EN;
int i = 0;
for (; i < value.Length; i++)
{
var chr = value[i];
if (chr == Apostrophe) //
return ApostropheByte;
var b = (byte)table.IndexOf(chr);
if (b == TerminatorByte)
break;
buffer[i] = b;
}
int count = i;
if (count < buffer.Length)
buffer[count++] = TerminatorByte;
return count;
}
/// <summary>
/// Decodes a character from a Generation 3 encoded value.
/// </summary>
/// <param name="chr">Generation 4 decoded character.</param>
/// <param name="jp">Character destination is Japanese font.</param>
/// <returns>Generation 3 encoded value.</returns>
public static char GetG3Char(byte chr, bool jp)
{
var table = jp ? G3_JP : G3_EN;
return table[chr];
}
/// <summary>
/// Encodes a character to a Generation 3 encoded value.
/// </summary>
/// <param name="chr">Generation 4 decoded character.</param>
/// <param name="jp">Character destination is Japanese font.</param>
/// <returns>Generation 3 encoded value.</returns>
public static byte SetG3Char(char chr, bool jp)
{
if (chr == Apostrophe)
return ApostropheByte;
var table = jp ? G3_JP : G3_EN;
var index = table.IndexOf(chr);
return (byte)index;
}
private static ReadOnlySpan<char> G3_EN =>
[
' ', 'À', 'Á', 'Â', 'Ç', 'È', 'É', 'Ê', 'Ë', 'Ì', 'こ', 'Î', 'Ï', 'Ò', 'Ó', 'Ô', // 0
'Œ', 'Ù', 'Ú', 'Û', 'Ñ', 'ß', 'à', 'á', 'ね', 'Ç', 'È', 'é', 'ê', 'ë', 'ì', 'í', // 1
'î', 'ï', 'ò', 'ó', 'ô', 'œ', 'ù', 'ú', 'û', 'ñ', 'º', 'ª', '⒅', '&', '+', 'あ', // 2
'ぃ', 'ぅ', 'ぇ', 'ぉ', 'ゃ', '=', 'ょ', 'が', 'ぎ', 'ぐ', 'げ', 'ご', 'ざ', 'じ', 'ず', 'ぜ', // 3
'ぞ', 'だ', 'ぢ', 'づ', 'で', 'ど', 'ば', 'び', 'ぶ', 'べ', 'ぼ', 'ぱ', 'ぴ', 'ぷ', 'ぺ', 'ぽ', // 4
'っ', '¿', '¡', '⒆', '⒇', 'オ', 'カ', 'キ', 'ク', 'ケ', 'Í', 'コ', 'サ', 'ス', 'セ', 'ソ', // 5
'タ', 'チ', 'ツ', 'テ', 'ト', 'ナ', 'ニ', 'ヌ', 'â', '', 'ハ', 'ヒ', 'フ', 'ヘ', 'ホ', 'í', // 6
'ミ', 'ム', 'メ', 'モ', 'ヤ', 'ユ', 'ヨ', 'ラ', 'リ', 'ル', 'レ', 'ロ', 'ワ', 'ヲ', 'ン', 'ァ', // 7
'ィ', 'ゥ', 'ェ', 'ォ', 'ャ', 'ュ', 'ョ', 'ガ', 'ギ', 'グ', 'ゲ', 'ゴ', 'ザ', 'ジ', 'ズ', 'ゼ', // 8
'ゾ', 'ダ', 'ヂ', 'ヅ', 'デ', 'ド', 'バ', 'ビ', 'ブ', 'ベ', 'ボ', 'パ', 'ピ', 'プ', 'ペ', 'ポ', // 9
'ッ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '!', '?', '.', '-', '・',// A
'⑬', '“', '”', '', '', '♂', '♀', '$', ',', '⑧', '/', 'A', 'B', 'C', 'D', 'E', // B
'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', // C
'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', // D
'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '▶', // E
':', 'Ä', 'Ö', 'Ü', 'ä', 'ö', 'ü', // F
// Make the total length 256 so that any byte access is always within the array
Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator,
];
private static ReadOnlySpan<char> G3_JP =>
[
' ', 'あ', 'い', 'う', 'え', 'お', 'か', 'き', 'く', 'け', 'こ', 'さ', 'し', 'す', 'せ', 'そ', // 0
'た', 'ち', 'つ', 'て', 'と', 'な', 'に', 'ぬ', 'ね', 'の', 'は', 'ひ', 'ふ', 'へ', 'ほ', 'ま', // 1
'み', 'む', 'め', 'も', 'や', 'ゆ', 'よ', 'ら', 'り', 'る', 'れ', 'ろ', 'わ', 'を', 'ん', 'ぁ', // 2
'ぃ', 'ぅ', 'ぇ', 'ぉ', 'ゃ', 'ゅ', 'ょ', 'が', 'ぎ', 'ぐ', 'げ', 'ご', 'ざ', 'じ', 'ず', 'ぜ', // 3
'ぞ', 'だ', 'ぢ', 'づ', 'で', 'ど', 'ば', 'び', 'ぶ', 'べ', 'ぼ', 'ぱ', 'ぴ', 'ぷ', 'ぺ', 'ぽ', // 4
'っ', 'ア', 'イ', 'ウ', 'エ', 'オ', 'カ', 'キ', 'ク', 'ケ', 'コ', 'サ', 'シ', 'ス', 'セ', 'ソ', // 5
'タ', 'チ', 'ツ', 'テ', 'ト', 'ナ', 'ニ', 'ヌ', 'ネ', '', 'ハ', 'ヒ', 'フ', 'ヘ', 'ホ', 'マ', // 6
'ミ', 'ム', 'メ', 'モ', 'ヤ', 'ユ', 'ヨ', 'ラ', 'リ', 'ル', 'レ', 'ロ', 'ワ', 'ヲ', 'ン', 'ァ', // 7
'ィ', 'ゥ', 'ェ', 'ォ', 'ャ', 'ュ', 'ョ', 'ガ', 'ギ', 'グ', 'ゲ', 'ゴ', 'ザ', 'ジ', 'ズ', 'ゼ', // 8
'ゾ', 'ダ', 'ヂ', 'ヅ', 'デ', 'ド', 'バ', 'ビ', 'ブ', 'ベ', 'ボ', 'パ', 'ピ', 'プ', 'ペ', 'ポ', // 9
'ッ', '', '', '', '', '', '', '', '', '', '', '', '', '。', 'ー', '・', // A
'⋯', '『', '』', '「', '」', '♂', '♀', '$', '.', '⑧', '/', '', '', '', '', '', // B
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', // C
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', // D
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '▶', // E
':', 'Ä', 'Ö', 'Ü', 'ä', 'ö', 'ü', // F
// Make the total length 256 so that any byte access is always within the array
Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator, Terminator,
];
}