mirror of
https://github.com/kwsch/PKHeX
synced 2024-09-20 14:21:59 +00:00
08ed482555
Handles Nidoran's shenanigans as well as more clear method names - Add normalization for PK7->PK8 (no more 0xE... usage for the gender symbols... maybe more chars?) - Not sure if Gen3 gamecube encoding needs sanitizing. Who is transferring Nidoran to CXD? :) Requires some silly usage of Language passing as arguments. Future improvements can be made to revise the half/full encoding determination when setting a string. Probably has issues since we're just doing a naive check without considering nicknames w/ special chars. Closes #4174
74 lines
2.7 KiB
C#
74 lines
2.7 KiB
C#
using System;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <summary>
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/// Logic for converting a <see cref="string"/> for Generation 6 games.
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/// </summary>
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/// <remarks>Customized Unicode glyph remapping for visual display</remarks>
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public static class StringConverter6
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{
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private const ushort TerminatorNull = 0;
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/// <summary>Converts Generation 6 encoded data to decoded string.</summary>
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/// <param name="data">Encoded data</param>
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/// <returns>Decoded string.</returns>
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public static string GetString(ReadOnlySpan<byte> data)
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{
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Span<char> result = stackalloc char[data.Length];
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int length = LoadString(data, result);
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return new string(result[..length]);
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}
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/// <inheritdoc cref="GetString(ReadOnlySpan{byte})"/>
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/// <param name="data">Encoded data</param>
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/// <param name="result">Decoded character result buffer</param>
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/// <returns>Character count loaded.</returns>
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public static int LoadString(ReadOnlySpan<byte> data, Span<char> result)
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{
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int i = 0;
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int ctr = 0;
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for (; i < data.Length; i += 2)
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{
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var value = ReadUInt16LittleEndian(data[i..]);
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if (value == TerminatorNull)
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break;
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result[ctr++] = StringConverter.NormalizeGenderSymbol((char)value);
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}
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return ctr;
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}
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/// <summary>Gets the bytes for a Generation 6 string.</summary>
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/// <param name="destBuffer">Span of bytes to write encoded string data</param>
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/// <param name="value">Decoded string.</param>
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/// <param name="maxLength">Maximum length of the input <see cref="value"/></param>
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/// <param name="language">Language specific conversion</param>
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/// <param name="option">Buffer pre-formatting option</param>
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/// <returns>Encoded data.</returns>
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public static int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength,
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int language,
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StringConverterOption option = StringConverterOption.ClearZero)
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{
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if (value.Length > maxLength)
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value = value[..maxLength]; // Hard cap
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if (option is StringConverterOption.ClearZero)
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destBuffer.Clear();
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bool isHalfWidth = language == (int)LanguageID.Korean || !StringConverter.GetIsFullWidthString(value);
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for (int i = 0; i < value.Length; i++)
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{
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var chr = value[i];
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if (isHalfWidth)
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chr = StringConverter.UnNormalizeGenderSymbol(chr);
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WriteUInt16LittleEndian(destBuffer[(i * 2)..], chr);
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}
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int count = value.Length * 2;
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if (count == destBuffer.Length)
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return count;
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WriteUInt16LittleEndian(destBuffer[count..], TerminatorNull);
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return count + 2;
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}
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}
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