private TextSpan GetTextChangeSpan(SourceText text, int position, Group quotedPathGroup)
{
return(PathCompletionUtilities.GetTextChangeSpan(
quotedPath: quotedPathGroup.Value,
quotedPathStart: GetQuotedPathStart(text, position, quotedPathGroup),
position: position));
}
private string GetPathThroughLastSlash(SourceText text, int position, Group quotedPathGroup)
{
return(PathCompletionUtilities.GetPathThroughLastSlash(
quotedPath: quotedPathGroup.Value,
quotedPathStart: GetQuotedPathStart(text, position, quotedPathGroup),
position: position));
}
private TextSpan GetTextChangeSpan(SyntaxToken stringLiteral, int position)
{
return(PathCompletionUtilities.GetTextChangeSpan(
quotedPath: stringLiteral.ToString(),
quotedPathStart: stringLiteral.SpanStart,
position: position));
}
private static string GetPathThroughLastSlash(SyntaxToken stringLiteral, int position)
{
return(PathCompletionUtilities.GetPathThroughLastSlash(
quotedPath: stringLiteral.ToString(),
quotedPathStart: stringLiteral.SpanStart,
position: position));
}
public override bool IsFilterCharacter(CompletionItem completionItem, char ch, string textTypedSoFar)
{
// If they've typed '\\', then we do not consider \ to be a filter character. We want to
// just commit at this point.
if (textTypedSoFar == NetworkPath)
{
return(false);
}
return(PathCompletionUtilities.IsFilterCharacter(completionItem, ch, textTypedSoFar));
}
private ImmutableArray <CompletionItem> GetItems(SourceText text, Document document, int position, CompletionTrigger triggerInfo, CancellationToken cancellationToken)
{
var line = text.Lines.GetLineFromPosition(position);
var lineText = text.ToString(TextSpan.FromBounds(line.Start, position));
var match = s_directiveRegex.Match(lineText);
if (!match.Success)
{
return(ImmutableArray <CompletionItem> .Empty);
}
var quotedPathGroup = match.Groups[1];
var quotedPath = quotedPathGroup.Value;
var endsWithQuote = PathCompletionUtilities.EndsWithQuote(quotedPath);
if (endsWithQuote && (position >= line.Start + match.Length))
{
return(ImmutableArray <CompletionItem> .Empty);
}
var buffer = text.Container.GetTextBuffer();
var snapshot = text.FindCorrespondingEditorTextSnapshot();
if (snapshot == null)
{
return(ImmutableArray <CompletionItem> .Empty);
}
var fileSystem = CurrentWorkingDirectoryDiscoveryService.GetService(snapshot);
// TODO: https://github.com/dotnet/roslyn/issues/5263
// Avoid dependency on a specific resolver.
// The search paths should be provided by specialized workspaces:
// - InteractiveWorkspace for interactive window
// - ScriptWorkspace for loose .csx files (we don't have such workspace today)
var searchPaths = (document.Project.CompilationOptions.SourceReferenceResolver as SourceFileResolver)?.SearchPaths ?? ImmutableArray <string> .Empty;
var helper = new FileSystemCompletionHelper(
this,
GetTextChangeSpan(text, position, quotedPathGroup),
fileSystem,
Glyph.OpenFolder,
Glyph.CSharpFile,
searchPaths: searchPaths,
allowableExtensions: new[] { ".csx" },
itemRules: s_rules);
var pathThroughLastSlash = this.GetPathThroughLastSlash(text, position, quotedPathGroup);
return(helper.GetItems(pathThroughLastSlash, documentPath: null));
}
private ImmutableArray <CompletionItem> GetItems(SourceText text, int position, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
{
var line = text.Lines.GetLineFromPosition(position);
var lineText = text.ToString(TextSpan.FromBounds(line.Start, position));
var match = s_directiveRegex.Match(lineText);
if (!match.Success)
{
return(ImmutableArray <CompletionItem> .Empty);
}
var quotedPathGroup = match.Groups[1];
var quotedPath = quotedPathGroup.Value;
var endsWithQuote = PathCompletionUtilities.EndsWithQuote(quotedPath);
if (endsWithQuote && (position >= line.Start + match.Length))
{
return(ImmutableArray <CompletionItem> .Empty);
}
var buffer = text.Container.GetTextBuffer();
var snapshot = text.FindCorrespondingEditorTextSnapshot();
if (snapshot == null)
{
return(ImmutableArray <CompletionItem> .Empty);
}
var fileSystem = CurrentWorkingDirectoryDiscoveryService.GetService(snapshot);
var searchPaths = ImmutableArray.Create(fileSystem.CurrentDirectory);
var helper = new FileSystemCompletionHelper(
this,
GetTextChangeSpan(text, position, quotedPathGroup),
fileSystem,
Glyph.OpenFolder,
Glyph.CSharpFile,
searchPaths: searchPaths,
allowableExtensions: new[] { ".csx" },
itemRules: ItemRules.Instance);
var pathThroughLastSlash = this.GetPathThroughLastSlash(text, position, quotedPathGroup);
return(helper.GetItems(pathThroughLastSlash, documentPath: null));
}
internal override bool IsInsertionTrigger(SourceText text, int characterPosition, OptionSet options)
{
return(PathCompletionUtilities.IsTriggerCharacter(text, characterPosition));
}
public override bool SendEnterThroughToEditor(CompletionItem completionItem, string textTypedSoFar)
{
return(PathCompletionUtilities.SendEnterThroughToEditor(completionItem, textTypedSoFar));
}
public override bool IsCommitCharacter(CompletionItem completionItem, char ch, string textTypedSoFar)
{
return(PathCompletionUtilities.IsCommitcharacter(completionItem, ch, textTypedSoFar));
}
private ICurrentWorkingDirectoryDiscoveryService GetFileSystemDiscoveryService(ITextSnapshot textSnapshot)
{
return(PathCompletionUtilities.GetCurrentWorkingDirectoryDiscoveryService(textSnapshot));
}
