private Delegate MakeGetterImageDataViewType(DataViewRow input, int iinfo, Func <int, bool> activeOutput, out Action disposer)
{
Contracts.AssertValue(input);
Contracts.Assert(0 <= iinfo && iinfo < _parent.ColumnPairs.Length);
var lastImage = default(Bitmap);
disposer = () =>
{
if (lastImage != null)
{
lastImage.Dispose();
lastImage = null;
}
};
var getSrc = input.GetGetter <ReadOnlyMemory <char> >(input.Schema[ColMapNewToOld[iinfo]]);
ReadOnlyMemory <char> src = default;
ValueGetter <Bitmap> del =
(ref Bitmap dst) =>
{
if (dst != null)
{
dst.Dispose();
dst = null;
}
getSrc(ref src);
if (src.Length > 0)
{
string path = src.ToString();
if (!string.IsNullOrWhiteSpace(_parent.ImageFolder))
{
path = Path.Combine(_parent.ImageFolder, path);
}
// to avoid locking file, use the construct below to load bitmap
var bytes = File.ReadAllBytes(path);
var ms = new MemoryStream(bytes);
dst = (Bitmap)Image.FromStream(ms);
dst.Tag = path;
// Check for an incorrect pixel format which indicates the loading failed
if (dst.PixelFormat == System.Drawing.Imaging.PixelFormat.DontCare)
{
throw Host.Except($"Failed to load image {src.ToString()}.");
}
}
lastImage = dst;
};
return(del);
}
protected override Delegate MakeGetter(Row input, int iinfo, Func <int, bool> activeOutput, out Action disposer)
{
Contracts.AssertValue(input);
Contracts.Assert(0 <= iinfo && iinfo < _parent.ColumnPairs.Length);
disposer = null;
var getSrc = input.GetGetter <ReadOnlyMemory <char> >(ColMapNewToOld[iinfo]);
ReadOnlyMemory <char> src = default;
ValueGetter <Bitmap> del =
(ref Bitmap dst) =>
{
if (dst != null)
{
dst.Dispose();
dst = null;
}
getSrc(ref src);
if (src.Length > 0)
{
// Catch exceptions and pass null through. Should also log failures...
try
{
string path = src.ToString();
if (!string.IsNullOrWhiteSpace(_parent.ImageFolder))
{
path = Path.Combine(_parent.ImageFolder, path);
}
dst = new Bitmap(path);
}
catch (Exception)
{
// REVIEW: We catch everything since the documentation for new Bitmap(string)
// appears to be incorrect. When the file isn't found, it throws an ArgumentException,
// while the documentation says FileNotFoundException. Not sure what it will throw
// in other cases, like corrupted file, etc.
throw Host.Except($"Image {src.ToString()} was not found.");
}
// Check for an incorrect pixel format which indicates the loading failed
if (dst.PixelFormat == System.Drawing.Imaging.PixelFormat.DontCare)
{
throw Host.Except($"Failed to load image {src.ToString()}.");
}
}
};
return(del);
}
private Delegate MakeGetterVectorDataViewByteType(DataViewRow input, int iinfo, Func <int, bool> activeOutput, out Action disposer)
{
Contracts.AssertValue(input);
Contracts.Assert(0 <= iinfo && iinfo < _parent.ColumnPairs.Length);
disposer = null;
var getSrc = input.GetGetter <ReadOnlyMemory <char> >(input.Schema[ColMapNewToOld[iinfo]]);
ReadOnlyMemory <char> src = default;
ValueGetter <VBuffer <byte> > del =
(ref VBuffer <byte> dst) =>
{
getSrc(ref src);
if (src.Length > 0)
{
string path = src.ToString();
if (!string.IsNullOrWhiteSpace(_parent.ImageFolder))
{
path = Path.Combine(_parent.ImageFolder, path);
}
if (!TryLoadDataIntoBuffer(path, ref dst))
{
var editor = VBufferEditor.Create(ref dst, 0); //Empty Image
dst = editor.Commit();
}
}
else
{
var editor = VBufferEditor.Create(ref dst, 0);
dst = editor.Commit();
}
};
return(del);
}
private async Task <bool> authenticateUserBasic(SessionEventArgsBase session,
ReadOnlyMemory <char> authenticationType, ReadOnlyMemory <char> credentials,
Func <SessionEventArgsBase, string, string, Task <bool> > proxyBasicAuthenticateFunc)
{
if (!KnownHeaders.ProxyAuthorizationBasic.Equals(authenticationType.Span))
{
// Return not authorized
session.HttpClient.Response = createAuthentication407Response("Proxy Authentication Invalid");
return(false);
}
string decoded = Encoding.UTF8.GetString(Convert.FromBase64String(credentials.ToString()));
int colonIndex = decoded.IndexOf(':');
if (colonIndex == -1)
{
// Return not authorized
session.HttpClient.Response = createAuthentication407Response("Proxy Authentication Invalid");
return(false);
}
string username = decoded.Substring(0, colonIndex);
string password = decoded.Substring(colonIndex + 1);
bool authenticated = await proxyBasicAuthenticateFunc(session, username, password);
if (!authenticated)
{
session.HttpClient.Response = createAuthentication407Response("Proxy Authentication Invalid");
}
return(authenticated);
}
public ProtocolReader(ILogger <ProtocolReader> logger, ReadOnlyMemory <char> memory)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_logger.LogTrace("{Source}", memory.ToString());
_data = memory;
}
public string GetContent(int ifeat)
{
Contracts.Assert(0 <= ifeat && ifeat < Count);
ReadOnlyMemory <char> content = _content.GetItemOrDefault(ifeat);
return(!content.IsEmpty ? content.ToString() : DatasetUtils.GetDefaultTransform(GetName(ifeat)));
}
public string GetName(int ifeat)
{
Contracts.Assert(0 <= ifeat && ifeat < Count);
ReadOnlyMemory <char> name = _names.GetItemOrDefault(ifeat);
return(!name.IsEmpty ? name.ToString() : string.Format("f{0}", ifeat));
}
private string ParseValues(ReadOnlyMemory <char> pathLookup)
{
pathLookup = TrimDataReference(pathLookup);
foreach (ReadOnlyMemory <char> arithmeticPath in GetPartBySeperators(pathLookup, new char[] { '/', '*', '+', '-', '(', ')' }))
{
ReadOnlySpan <char> path = arithmeticPath.Span;
if (!double.TryParse(path.Trim(), out double constant))
{
if (!path.Trim().IsEmpty)
{
int position = pathLookup.Span.IndexOf(arithmeticPath.Span);
if (position >= 0)
{
string value = GetValueFromPath(arithmeticPath.ToString(), out double?scalingValue);
if (scalingValue.HasValue)
{
pathLookup = $"{pathLookup.Slice(0, position)}{value}~~{scalingValue}~~{pathLookup.Slice(position + arithmeticPath.Length)}".AsMemory();
}
else
{
pathLookup = (pathLookup.Slice(0, position) + value + pathLookup.Slice(position + arithmeticPath.Length)).AsMemory();
}
}
}
}
}
return(pathLookup.ToString());
}
/// <summary>
/// Gets a normalized title derived from the file path.
/// </summary>
/// <returns>A normalized title.</returns>
public string GetTitle()
{
// Get the filename, unless an index file, then get containing directory
ReadOnlyMemory <char> titleMemory = Segments[Segments.Length - 1];
if (titleMemory.StartsWith(IndexFileName) && Segments.Length > 1)
{
titleMemory = Segments[Segments.Length - 2];
}
// Strip the extension(s)
int extensionIndex = titleMemory.Span.IndexOf('.');
if (extensionIndex > 0)
{
titleMemory = titleMemory.Slice(0, extensionIndex);
}
// Decode URL escapes
string title = WebUtility.UrlDecode(titleMemory.ToString());
// Replace special characters with spaces
title = title.Replace('-', ' ').Replace('_', ' ');
// Join adjacent spaces
while (title.IndexOf(" ", StringComparison.Ordinal) > 0)
{
title = title.Replace(" ", " ");
}
// Capitalize
return(CultureInfo.CurrentCulture.TextInfo.ToTitleCase(title));
}
public NormStr Get(ReadOnlyMemory <char> str, bool add = false, bool duplicateStr = true)
{
AssertValid();
var span = str.Span;
uint hash = Hashing.HashString(span);
int ins = GetIns(hash);
while (ins >= 0)
{
ulong meta = _rgmeta[ins];
if ((int)Utils.GetLo(meta) == str.Length)
{
var ns = GetNs(ins);
if (ns.Value.Span.SequenceEqual(span))
{
return(ns);
}
}
ins = (int)Utils.GetHi(meta);
}
Contracts.Assert(ins == -1);
if (duplicateStr)
{
// To avoid the case where 'str' actually stores a string with the
// content of a whole row in the dataset, a new 'str' is created
// See issue https://github.com/dotnet/machinelearning/issues/4571
// and PR https://github.com/dotnet/machinelearning/pull/4576
return(add ? AddCore(str.ToString().AsMemory(), hash) : null);
}
return(add ? AddCore(str, hash) : null);
}
protected LineChInfo GetLineCh(TextSpan currentSpan)
{
if (currentSpan.IsEmpty)
{
return(new LineChInfo
{
LineNumber = 0,
ChNumber = 0,
PrevLines = new string[0],
Line = string.Empty,
});
}
var content = _textSpan.ToString();
var previewContent = content.Substring(0, currentSpan.Offset);
var lines = previewContent.Split("\n").Select(x => x.Replace("\r", "")).ToArray();
var line = lines[lines.Length - 1];
var prevLines = lines.SkipLast(1).TakeLast(3).ToArray();
var maxLen = content.Length - (currentSpan.Offset + currentSpan.Length);
maxLen = Math.Min(maxLen, 50);
var backContent = content.Substring(currentSpan.Offset + currentSpan.Length, maxLen);
var backLine = backContent.Split("\n").Select(x => x.Replace("\r", "")).First();
return(new LineChInfo
{
LineNumber = lines.Length,
ChNumber = line.Length + 1,
PrevLines = prevLines,
Line = line,
BackContent = backLine,
});
}
public List <object> Deserialize(IFormatProvider provider, char delimiter, bool skipHeader, ReadOnlyMemory <char> csv)
{
bool firstRow = true;
List <object> items = new List <object>();
while (csv.Length > 0)
{
List <ReadOnlyMemory <char> > columns = StringSplitter.ReadNextLine(ref csv, delimiter);
if (firstRow && skipHeader)
{
firstRow = false;
continue;
}
if (_properties.Length != columns.Count)
{
int endOfLine = csv.Span.IndexOf('\n');
string line = endOfLine == -1 ? csv.ToString() : csv.Slice(0, endOfLine).ToString();
throw new CsvFormatException(typeof(T), line, $"Row must consists of {_properties.Length} columns.");
}
T item = Activator.CreateInstance <T>();
for (int i = 0; i < _properties.Length; i++)
{
switch (_deserializeAs[i])
{
case DeserializeAs.SByte:
if (columns[i].Length >= 2 && columns[i].Span[0] == '"' && sbyte.TryParse(columns[i].Span[1..^ 1], NumberStyles.Integer, provider, out sbyte vSByte))
public void Execute(ITwitchClient client, ChatMessage message, ReadOnlyMemory <char> parsedText)
{
if (allCommands.Count == 0)
{
PopulateAllCommandsDictionary(service);
}
if (parsedText.IsEmpty)
{
var keys = allCommands.Keys;
var output = string.Join(",", keys);
client.SendMessage(message.Channel, $"Available commands: {output}");
}
else
{
var parsedTextAsString = parsedText.ToString();
if (allCommands.ContainsKey(parsedTextAsString))
{
client.SendMessage(message.Channel, $"{parsedText}: {allCommands[parsedTextAsString]}");
}
else
{
client.SendMessage(message.Channel, $"{parsedText} command does not exist in bot");
}
}
}
public async Task Execute(IChatService chatService, string userName, bool isModerator, bool isBroadcaster, ReadOnlyMemory <char> rhs)
{
if (!(isModerator || isBroadcaster))
{
return;
}
var rhsTest = rhs.ToString();
if (rhsTest.StartsWith("@"))
{
rhsTest = rhsTest.Substring(1);
}
if (rhsTest.StartsWith("http"))
{
return;
}
if (rhsTest.Contains(" "))
{
return;
}
rhsTest = WebUtility.UrlEncode(rhsTest);
var result = await _HttpClient.GetAsync(rhsTest);
if (result.StatusCode != HttpStatusCode.OK)
{
return;
}
await chatService.SendMessageAsync($"Please follow @{rhsTest} at: https://twitch.tv/{rhsTest}");
}
public LineChInfo GetLineCh(TextSpan currentSpan)
{
if (currentSpan.IsEmpty)
{
return(new LineChInfo
{
LineNumber = 0,
ChNumber = 0,
PrevLines = new string[0],
Line = String.Empty,
});
}
var content = _textSpan.ToString();
var previewContent = content.Substring(0, currentSpan.Offset);
var lines = previewContent.Split("\r\n");
var line = lines[lines.Length - 1];
var prevLines = lines.SkipLast(1).TakeLast(3).ToArray();
return(new LineChInfo
{
LineNumber = lines.Length,
ChNumber = line.Length + 1,
PrevLines = prevLines,
Line = line
});
}
public void SequencePredictorSchemaTest()
{
int keyCount = 10;
var scoreColumnType = new KeyType(DataKind.U4, 0, keyCount);
VBuffer <ReadOnlyMemory <char> > keyNames = GenerateKeyNames(keyCount);
var sequenceSchema = ScoreSchemaFactory.CreateSequencePredictionSchema(scoreColumnType,
MetadataUtils.Const.ScoreColumnKind.SequenceClassification, keyNames);
// Output schema should only contain one column, which is the predicted label.
Assert.Single(sequenceSchema);
var scoreColumn = sequenceSchema[0];
// Check score column name.
Assert.Equal(MetadataUtils.Const.ScoreValueKind.PredictedLabel, scoreColumn.Name);
// Check score column type.
Assert.True(scoreColumn.Type.IsKey);
Assert.Equal((scoreColumnType as KeyType).Min, (scoreColumn.Type as KeyType).Min);
Assert.Equal((scoreColumnType as KeyType).Count, (scoreColumn.Type as KeyType).Count);
Assert.Equal((scoreColumnType as KeyType).RawKind, (scoreColumn.Type as KeyType).RawKind);
Assert.Equal((scoreColumnType as KeyType).Contiguous, (scoreColumn.Type as KeyType).Contiguous);
// Check metadata. Because keyNames is not empty, there should be three metadata fields.
var scoreMetadata = scoreColumn.Metadata;
Assert.Equal(3, scoreMetadata.Schema.Count);
// Check metadata columns' names.
Assert.Equal(MetadataUtils.Kinds.KeyValues, scoreMetadata.Schema[0].Name);
Assert.Equal(MetadataUtils.Kinds.ScoreColumnKind, scoreMetadata.Schema[1].Name);
Assert.Equal(MetadataUtils.Kinds.ScoreValueKind, scoreMetadata.Schema[2].Name);
// Check metadata columns' types.
Assert.True(scoreMetadata.Schema[0].Type.IsVector);
Assert.Equal(keyNames.Length, (scoreMetadata.Schema[0].Type as VectorType).VectorSize);
Assert.Equal(TextType.Instance, (scoreMetadata.Schema[0].Type as VectorType).ItemType);
Assert.Equal(TextType.Instance, scoreColumn.Metadata.Schema[1].Type);
Assert.Equal(TextType.Instance, scoreColumn.Metadata.Schema[2].Type);
// Check metadata columns' values.
var keyNamesGetter = scoreMetadata.GetGetter <VBuffer <ReadOnlyMemory <char> > >(0);
var actualKeyNames = new VBuffer <ReadOnlyMemory <char> >();
keyNamesGetter(ref actualKeyNames);
Assert.Equal(keyNames.Length, actualKeyNames.Length);
Assert.Equal(keyNames.DenseValues(), actualKeyNames.DenseValues());
var scoreColumnKindGetter = scoreMetadata.GetGetter <ReadOnlyMemory <char> >(1);
ReadOnlyMemory <char> scoreColumnKindValue = null;
scoreColumnKindGetter(ref scoreColumnKindValue);
Assert.Equal(MetadataUtils.Const.ScoreColumnKind.SequenceClassification, scoreColumnKindValue.ToString());
var scoreValueKindGetter = scoreMetadata.GetGetter <ReadOnlyMemory <char> >(2);
ReadOnlyMemory <char> scoreValueKindValue = null;
scoreValueKindGetter(ref scoreValueKindValue);
Assert.Equal(MetadataUtils.Const.ScoreValueKind.PredictedLabel, scoreValueKindValue.ToString());
}
public Task <ReadOnlyMemory <char> > ReplaceAsync(ReadOnlyMemory <char> raw)
{
if (raw.IsEmpty)
{
return(Task.FromResult(raw));
}
var matchIndexes = GetMatches(raw).ToList();
if (!matchIndexes.Any())
{
return(Task.FromResult(raw));
}
var memoryList = new List <ReadOnlyMemory <char> >();
try
{
memoryList.AddRange(CreateEscapedTextList(raw, matchIndexes));
}
catch (Exception e)
{
throw new EscapeRouteParseException($"Cannot parse the string '{raw.ToString()}'", e);
}
if (!memoryList.Any())
{
return(Task.FromResult(raw));
}
var combinedMemory = memoryList.CombineMemory();
return(Task.FromResult((ReadOnlyMemory <char>)combinedMemory));
}
public void SequencePredictorSchemaTest()
{
int keyCount = 10;
var expectedScoreColumnType = new KeyDataViewType(typeof(uint), keyCount);
VBuffer <ReadOnlyMemory <char> > keyNames = GenerateKeyNames(keyCount);
var sequenceSchema = ScoreSchemaFactory.CreateSequencePredictionSchema(expectedScoreColumnType,
AnnotationUtils.Const.ScoreColumnKind.SequenceClassification, keyNames);
// Output schema should only contain one column, which is the predicted label.
Assert.Single(sequenceSchema);
var scoreColumn = sequenceSchema[0];
// Check score column name.
Assert.Equal(AnnotationUtils.Const.ScoreValueKind.PredictedLabel, scoreColumn.Name);
// Check score column type.
var actualScoreColumnType = scoreColumn.Type as KeyDataViewType;
Assert.NotNull(actualScoreColumnType);
Assert.Equal(expectedScoreColumnType.Count, actualScoreColumnType.Count);
Assert.Equal(expectedScoreColumnType.RawType, actualScoreColumnType.RawType);
// Check metadata. Because keyNames is not empty, there should be three metadata fields.
var scoreMetadata = scoreColumn.Annotations;
Assert.Equal(3, scoreMetadata.Schema.Count);
// Check metadata columns' names.
Assert.Equal(AnnotationUtils.Kinds.KeyValues, scoreMetadata.Schema[0].Name);
Assert.Equal(AnnotationUtils.Kinds.ScoreColumnKind, scoreMetadata.Schema[1].Name);
Assert.Equal(AnnotationUtils.Kinds.ScoreValueKind, scoreMetadata.Schema[2].Name);
// Check metadata columns' types.
Assert.True(scoreMetadata.Schema[0].Type is VectorDataViewType);
Assert.Equal(keyNames.Length, (scoreMetadata.Schema[0].Type as VectorDataViewType).Size);
Assert.Equal(TextDataViewType.Instance, (scoreMetadata.Schema[0].Type as VectorDataViewType).ItemType);
Assert.Equal(TextDataViewType.Instance, scoreColumn.Annotations.Schema[1].Type);
Assert.Equal(TextDataViewType.Instance, scoreColumn.Annotations.Schema[2].Type);
// Check metadata columns' values.
var keyNamesGetter = scoreMetadata.GetGetter <VBuffer <ReadOnlyMemory <char> > >(scoreMetadata.Schema[0]);
var actualKeyNames = new VBuffer <ReadOnlyMemory <char> >();
keyNamesGetter(ref actualKeyNames);
Assert.Equal(keyNames.Length, actualKeyNames.Length);
Assert.Equal(keyNames.DenseValues(), actualKeyNames.DenseValues());
var scoreColumnKindGetter = scoreMetadata.GetGetter <ReadOnlyMemory <char> >(scoreMetadata.Schema[1]);
ReadOnlyMemory <char> scoreColumnKindValue = null;
scoreColumnKindGetter(ref scoreColumnKindValue);
Assert.Equal(AnnotationUtils.Const.ScoreColumnKind.SequenceClassification, scoreColumnKindValue.ToString());
var scoreValueKindGetter = scoreMetadata.GetGetter <ReadOnlyMemory <char> >(scoreMetadata.Schema[2]);
ReadOnlyMemory <char> scoreValueKindValue = null;
scoreValueKindGetter(ref scoreValueKindValue);
Assert.Equal(AnnotationUtils.Const.ScoreValueKind.PredictedLabel, scoreValueKindValue.ToString());
}
public void TestSaveImages()
{
var env = new MLContext();
var dataFile = GetDataPath("images/images.tsv");
var imageFolder = Path.GetDirectoryName(dataFile);
var data = TextLoader.Create(env, new TextLoader.Arguments()
{
Columns = new[]
{
new TextLoader.Column("ImagePath", DataKind.TX, 0),
new TextLoader.Column("Name", DataKind.TX, 1),
}
}, new MultiFileSource(dataFile));
var images = new ImageLoaderTransformer(env, imageFolder, ("ImageReal", "ImagePath")).Transform(data);
var cropped = new ImageResizerTransformer(env, "ImageCropped", 100, 100, "ImageReal", ImageResizerTransformer.ResizingKind.IsoPad).Transform(images);
cropped.Schema.TryGetColumnIndex("ImagePath", out int pathColumn);
cropped.Schema.TryGetColumnIndex("ImageCropped", out int cropBitmapColumn);
using (var cursor = cropped.GetRowCursorForAllColumns())
{
var pathGetter = cursor.GetGetter <ReadOnlyMemory <char> >(pathColumn);
ReadOnlyMemory <char> path = default;
var bitmapCropGetter = cursor.GetGetter <Bitmap>(cropBitmapColumn);
Bitmap bitmap = default;
while (cursor.MoveNext())
{
pathGetter(ref path);
bitmapCropGetter(ref bitmap);
Assert.NotNull(bitmap);
var fileToSave = GetOutputPath(Path.GetFileNameWithoutExtension(path.ToString()) + ".cropped.jpg");
bitmap.Save(fileToSave, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
Done();
}
public static void ToStringMemoryOverFullStringReturnsOriginal()
{
string original = TestHelpers.BuildString(10, 42);
ReadOnlyMemory <char> memory = original.AsMemory();
string returnedString = memory.ToString();
string returnedStringUsingSlice = memory.Slice(0, original.Length).ToString();
string subString1 = memory.Slice(1).ToString();
string subString2 = memory.Slice(0, 2).ToString();
string subString3 = memory.Slice(1, 2).ToString();
Assert.Equal(original, returnedString);
Assert.Equal(original, returnedStringUsingSlice);
Assert.Equal(original.Substring(1), subString1);
Assert.Equal(original.Substring(0, 2), subString2);
Assert.Equal(original.Substring(1, 2), subString3);
Assert.Same(original, returnedString);
Assert.Same(original, returnedStringUsingSlice);
Assert.NotSame(original, subString1);
Assert.NotSame(original, subString2);
Assert.NotSame(original, subString3);
Assert.NotSame(subString1, subString2);
Assert.NotSame(subString1, subString3);
Assert.NotSame(subString2, subString3);
}
/// <summary>
/// A helper to throw a new exception from the given source location, indicating
/// an invalid token in the document.
/// </summary>
/// <param name="location">The location in the source text.</param>
/// <param name="expected">The expected value.</param>
/// <param name="actual">The actual value received.</param>
public static void ThrowFromExpectation(
SourceLocation location,
ReadOnlyMemory <char> expected,
ReadOnlyMemory <char> actual)
{
ThrowFromExpectation(location, expected.ToString(), actual.ToString());
}
/// <summary>
/// 接收到消息
/// </summary>
/// <param name="channel">通道</param>
/// <param name="body"></param>
/// <param name="send">对象</param>
/// <param name="e">参数</param>
/// <param name="config">配置</param>
/// <returns></returns>
private void Received(IModel channel, ReadOnlyMemory <byte> body, object send, BasicDeliverEventArgs e, ConsumingConfig config)
{
var message = body.ToString();
Console.WriteLine($"[{DateTime.Now:HH:mm:ss}]:{message}");
channel.BasicAck(e.DeliveryTag, false);
}
public static void ToStringChar_Empty()
{
var memory = new ReadOnlyMemory <char>();
Assert.Equal("", memory.ToString());
Assert.Equal("", ReadOnlyMemory <char> .Empty.ToString());
Assert.Equal("", memory.Span.ToString());
}
public static void ToStringInt_Empty()
{
var memory = new ReadOnlyMemory <int>();
Assert.Equal("System.ReadOnlyMemory<Int32>[0]", memory.ToString());
Assert.Equal("System.ReadOnlyMemory<Int32>[0]", ReadOnlyMemory <int> .Empty.ToString());
Assert.Equal("System.ReadOnlySpan<Int32>[0]", memory.Span.ToString());
}
public TEnum?Deserialize(ReadOnlyMemory <char> text, IFormatProvider provider, CsvColumnAttribute?attribute)
{
if (text.Length == 0)
{
return(null);
}
return(Enum.Parse <TEnum>(text.ToString()));
}
private async Task HandleCommandsAsync(DiscordClient sender, MessageCreateEventArgs e)
{
if (e.Author.IsBot) // bad bot
{
return;
}
if (!this.Config.EnableDms && e.Channel.IsPrivate)
{
return;
}
var mpos = -1;
if (this.Config.EnableMentionPrefix)
{
mpos = e.Message.GetMentionPrefixLength(this.Client.CurrentUser);
}
if (this.Config.StringPrefixes?.Any() == true)
{
foreach (var pfix in this.Config.StringPrefixes)
{
if (mpos == -1 && !string.IsNullOrWhiteSpace(pfix))
{
mpos = e.Message.GetStringPrefixLength(pfix, this.Config.CaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase);
}
}
}
if (mpos == -1 && this.Config.PrefixResolver != null)
{
mpos = await this.Config.PrefixResolver(e.Message).ConfigureAwait(false);
}
if (mpos == -1)
{
return;
}
ReadOnlyMemory <char> pfx = e.Message.Content.AsMemory().Slice(0, mpos);
ReadOnlyMemory <char> cnt = e.Message.Content.AsMemory().Slice(mpos);
var __ = 0;
var fname = cnt.ExtractNextArgument(ref __);
var cmd = this.FindCommand(cnt, out string args);
var ctx = this.CreateContext(e.Message, pfx.ToString(), cmd, args);
if (cmd == null)
{
await this._error.InvokeAsync(this, new CommandErrorEventArgs { Context = ctx, Exception = new CommandNotFoundException(fname) }).ConfigureAwait(false);
return;
}
await this.Config.CommandExecutor.ExecuteAsync(ctx).ConfigureAwait(false);
}
static void addOptions(
AnalyzerConfig.Section section,
TreeOptions.Builder treeBuilder,
AnalyzerOptions.Builder analyzerBuilder,
ArrayBuilder <Diagnostic> diagnosticBuilder,
string analyzerConfigPath,
ConcurrentDictionary <ReadOnlyMemory <char>, string> diagIdCache)
{
const string DiagnosticOptionPrefix = "dotnet_diagnostic.";
const string DiagnosticOptionSuffix = ".severity";
foreach (var(key, value) in section.Properties)
{
// Keys are lowercased in editorconfig parsing
int diagIdLength = -1;
if (key.StartsWith(DiagnosticOptionPrefix, StringComparison.Ordinal) &&
key.EndsWith(DiagnosticOptionSuffix, StringComparison.Ordinal))
{
diagIdLength = key.Length - (DiagnosticOptionPrefix.Length + DiagnosticOptionSuffix.Length);
}
if (diagIdLength >= 0)
{
ReadOnlyMemory <char> idSlice = key.AsMemory().Slice(DiagnosticOptionPrefix.Length, diagIdLength);
// PERF: this is similar to a double-checked locking pattern, and trying to fetch the ID first
// lets us avoid an allocation if the id has already been added
if (!diagIdCache.TryGetValue(idSlice, out var diagId))
{
// We use ReadOnlyMemory<char> to allow allocation-free lookups in the
// dictionary, but the actual keys stored in the dictionary are trimmed
// to avoid holding GC references to larger strings than necessary. The
// GetOrAdd APIs do not allow the key to be manipulated between lookup
// and insertion, so we separate the operations here in code.
diagId = idSlice.ToString();
diagId = diagIdCache.GetOrAdd(diagId.AsMemory(), diagId);
}
if (TryParseSeverity(value, out ReportDiagnostic severity))
{
treeBuilder[diagId] = severity;
}
else
{
diagnosticBuilder.Add(Diagnostic.Create(
InvalidAnalyzerConfigSeverityDescriptor,
Location.None,
diagId,
value,
analyzerConfigPath));
}
}
else
{
analyzerBuilder[key] = value;
}
}
}
public static void ToStringForMemoryOfString()
{
string[] a = { "a", "b", "c" };
var memory = new ReadOnlyMemory <string>(a);
Assert.Equal("System.ReadOnlyMemory<String>[3]", memory.ToString());
Assert.Equal("System.ReadOnlyMemory<String>[1]", memory.Slice(1, 1).ToString());
Assert.Equal("System.ReadOnlySpan<String>[3]", memory.Span.ToString());
}
public static void ToStringMemoryFromReadOnlyMemory()
{
string testString = "abcdefg";
ReadOnlyMemory <char> memory = testString.AsMemory();
Assert.Equal(testString, memory.ToString());
Assert.Equal(testString.Substring(1, 1), memory.Slice(1, 1).ToString());
Assert.Equal(testString, memory.Span.ToString());
}
public static void ToStringChar()
{
char[] a = { 'a', 'b', 'c' };
var memory = new ReadOnlyMemory <char>(a);
Assert.Equal("abc", memory.ToString());
Assert.Equal("b", memory.Slice(1, 1).ToString());
Assert.Equal("abc", memory.Span.ToString());
}
