mirror of
https://github.com/GreemDev/Ryujinx.git
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ae4324032a
* Optimize string memory usage. Use ReadOnlySpan<char> and StringBuilder where possible. * Fix copypaste error * Code generator review fixes * Use if statement instead of switch * Code style fixes Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Another code style fix * Styling fix Co-authored-by: Mary-nyan <thog@protonmail.com> * Styling fix Co-authored-by: gdkchan <gab.dark.100@gmail.com> Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> Co-authored-by: Mary-nyan <thog@protonmail.com> Co-authored-by: gdkchan <gab.dark.100@gmail.com>
298 lines
11 KiB
C#
298 lines
11 KiB
C#
using System.IO;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
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{
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internal class InlineResponses
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{
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private const uint MaxStrLenUTF8 = 0x7D4;
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private const uint MaxStrLenUTF16 = 0x3EC;
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private static void BeginResponse(InlineKeyboardState state, InlineKeyboardResponse resCode, BinaryWriter writer)
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{
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writer.Write((uint)state);
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writer.Write((uint)resCode);
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}
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private static uint WriteString(string text, BinaryWriter writer, uint maxSize, Encoding encoding)
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{
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// Ensure the text fits in the buffer, but do not straight cut the bytes because
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// this may corrupt the encoding. Search for a cut in the source string that fits.
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byte[] bytes = null;
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for (int maxStr = text.Length; maxStr >= 0; maxStr--)
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{
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// This loop will probably will run only once.
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bytes = encoding.GetBytes(text, 0, maxStr);
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if (bytes.Length <= maxSize)
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{
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break;
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}
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}
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writer.Write(bytes);
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writer.Seek((int)maxSize - bytes.Length, SeekOrigin.Current);
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writer.Write((uint)text.Length); // String size
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return (uint)text.Length; // Return the cursor position at the end of the text
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}
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private static void WriteStringWithCursor(string text, uint cursor, BinaryWriter writer, uint maxSize, Encoding encoding, bool padMiddle)
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{
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uint length = WriteString(text, writer, maxSize, encoding);
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if (cursor > length)
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{
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cursor = length;
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}
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if (padMiddle)
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{
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writer.Write((int)-1); // ?
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writer.Write((int)-1); // ?
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}
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writer.Write(cursor); // Cursor position
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}
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public static byte[] FinishedInitialize(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint) + 0x1;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.FinishedInitialize, writer);
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writer.Write((byte)1); // Data (ignored by the program)
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return stream.ToArray();
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}
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}
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public static byte[] Default(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint);
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.Default, writer);
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return stream.ToArray();
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}
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}
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public static byte[] ChangedString(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 6 * sizeof(uint) + MaxStrLenUTF16;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.ChangedString, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF16, Encoding.Unicode, true);
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return stream.ToArray();
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}
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}
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public static byte[] MovedCursor(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.MovedCursor, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF16, Encoding.Unicode, false);
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return stream.ToArray();
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}
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}
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public static byte[] MovedTab(string text, uint cursor, InlineKeyboardState state)
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{
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// Should be the same as MovedCursor.
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uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.MovedTab, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF16, Encoding.Unicode, false);
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return stream.ToArray();
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}
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}
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public static byte[] DecidedEnter(string text, InlineKeyboardState state)
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{
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uint resSize = 3 * sizeof(uint) + MaxStrLenUTF16;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.DecidedEnter, writer);
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WriteString(text, writer, MaxStrLenUTF16, Encoding.Unicode);
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return stream.ToArray();
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}
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}
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public static byte[] DecidedCancel(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint);
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.DecidedCancel, writer);
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return stream.ToArray();
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}
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}
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public static byte[] ChangedStringUtf8(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 6 * sizeof(uint) + MaxStrLenUTF8;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.ChangedStringUtf8, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF8, Encoding.UTF8, true);
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return stream.ToArray();
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}
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}
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public static byte[] MovedCursorUtf8(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 4 * sizeof(uint) + MaxStrLenUTF8;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.MovedCursorUtf8, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF8, Encoding.UTF8, false);
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return stream.ToArray();
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}
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}
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public static byte[] DecidedEnterUtf8(string text, InlineKeyboardState state)
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{
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uint resSize = 3 * sizeof(uint) + MaxStrLenUTF8;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.DecidedEnterUtf8, writer);
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WriteString(text, writer, MaxStrLenUTF8, Encoding.UTF8);
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return stream.ToArray();
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}
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}
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public static byte[] UnsetCustomizeDic(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint);
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.UnsetCustomizeDic, writer);
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return stream.ToArray();
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}
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}
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public static byte[] ReleasedUserWordInfo(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint);
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.ReleasedUserWordInfo, writer);
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return stream.ToArray();
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}
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}
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public static byte[] UnsetCustomizedDictionaries(InlineKeyboardState state)
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{
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uint resSize = 2 * sizeof(uint);
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.UnsetCustomizedDictionaries, writer);
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return stream.ToArray();
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}
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}
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public static byte[] ChangedStringV2(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 6 * sizeof(uint) + MaxStrLenUTF16 + 0x1;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.ChangedStringV2, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF16, Encoding.Unicode, true);
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writer.Write((byte)0); // Flag == 0
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return stream.ToArray();
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}
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}
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public static byte[] MovedCursorV2(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16 + 0x1;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.MovedCursorV2, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF16, Encoding.Unicode, false);
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writer.Write((byte)0); // Flag == 0
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return stream.ToArray();
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}
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}
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public static byte[] ChangedStringUtf8V2(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 6 * sizeof(uint) + MaxStrLenUTF8 + 0x1;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.ChangedStringUtf8V2, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF8, Encoding.UTF8, true);
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writer.Write((byte)0); // Flag == 0
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return stream.ToArray();
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}
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}
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public static byte[] MovedCursorUtf8V2(string text, uint cursor, InlineKeyboardState state)
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{
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uint resSize = 4 * sizeof(uint) + MaxStrLenUTF8 + 0x1;
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using (MemoryStream stream = new MemoryStream(new byte[resSize]))
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using (BinaryWriter writer = new BinaryWriter(stream))
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{
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BeginResponse(state, InlineKeyboardResponse.MovedCursorUtf8V2, writer);
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WriteStringWithCursor(text, cursor, writer, MaxStrLenUTF8, Encoding.UTF8, false);
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writer.Write((byte)0); // Flag == 0
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return stream.ToArray();
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}
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}
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}
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}
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