public FileSystemCompletionHelper(
CompletionProvider completionProvider,
TextSpan textChangeSpan,
ICurrentWorkingDirectoryDiscoveryService fileSystemDiscoveryService,
Glyph folderGlyph,
Glyph fileGlyph,
ImmutableArray<string> searchPaths,
IEnumerable<string> allowableExtensions,
Func<string, bool> exclude = null,
CompletionItemRules itemRules = null)
{
Debug.Assert(searchPaths.All(path => PathUtilities.IsAbsolute(path)));
_completionProvider = completionProvider;
_textChangeSpan = textChangeSpan;
_searchPaths = searchPaths;
_allowableExtensions = allowableExtensions.Select(e => e.ToLowerInvariant()).ToSet();
_fileSystemDiscoveryService = fileSystemDiscoveryService;
_folderGlyph = folderGlyph;
_fileGlyph = fileGlyph;
_exclude = exclude;
_itemRules = itemRules;
_lazyGetDrives = new Lazy<string[]>(() =>
IOUtilities.PerformIO(Directory.GetLogicalDrives, SpecializedCollections.EmptyArray<string>()));
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (options == null)
{
throw new ArgumentException(nameof(options));
}
this.Provider = provider;
this.Document = document;
this.Position = position;
this.CompletionListSpan = defaultSpan;
this.Trigger = trigger;
this.Options = options;
this.CancellationToken = cancellationToken;
_items = new List<CompletionItem>();
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
internal CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
in CompletionOptions options,
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (options == null)
{
throw new ArgumentException(nameof(options));
}
this.Provider = provider;
this.Document = document;
this.Position = position;
this.DefaultItemSpan = defaultSpan;
this.Trigger = trigger;
this.Options = options;
this.CancellationToken = cancellationToken;
_items = new List <CompletionItem>();
}
public GlobalAssemblyCacheCompletionHelper(
CompletionProvider completionProvider,
TextSpan textChangeSpan,
CompletionItemRules itemRules = null)
{
_completionProvider = completionProvider;
_textChangeSpan = textChangeSpan;
_itemRules = itemRules;
}
internal static ImmutableHashSet <char> GetTriggerCharacters(CompletionProvider provider)
{
if (provider is LSPCompletionProvider lspProvider)
{
return(lspProvider.TriggerCharacters);
}
return(ImmutableHashSet <char> .Empty);
}
// Internal for testing purposes only.
internal async Task <CompletionContext> GetContextAsync(
CompletionProvider provider,
Document document,
int position,
CompletionTrigger triggerInfo,
OptionSet options,
CancellationToken cancellationToken)
{
return(await GetContextAsync(
provider, document, position, triggerInfo,
options, defaultSpan : null, cancellationToken : cancellationToken).ConfigureAwait(false));
}
internal protected CompletionProvider GetProvider(CompletionItem item)
{
CompletionProvider provider = null;
if (item.ProviderName != null)
{
lock (_gate)
{
provider = _nameToProvider.GetOrAdd(item.ProviderName, _getProviderByName);
}
}
return(provider);
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
: this(provider ?? throw new ArgumentNullException(nameof(provider)),
document ?? throw new ArgumentNullException(nameof(document)),
position,
defaultSpan,
trigger,
CompletionOptions.From(options ?? throw new ArgumentNullException(nameof(options)), document.Project.Language),
private static async Task <CompletionContext> GetProviderCompletionsAsync(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultFilterSpan,
CompletionTrigger triggerInfo,
OptionSet options,
CancellationToken cancellationToken)
{
var context = new CompletionContext(provider, document, position, defaultFilterSpan, triggerInfo, options, cancellationToken);
await provider.ProvideCompletionsAsync(context).ConfigureAwait(false);
return(context);
}
internal protected CompletionProvider GetProvider(CompletionItem item)
{
CompletionProvider provider = null;
if (item.Properties.TryGetValue("Provider", out var name))
{
lock (_gate)
{
provider = _nameToProvider.GetOrAdd(name, _getProviderByName);
}
}
return(provider);
}
internal protected CompletionProvider GetProvider(CompletionItem item)
{
string name;
CompletionProvider provider = null;
if (item.Properties.TryGetValue("Provider", out name))
{
lock (_gate)
{
_nameToProvider.TryGetValue(name, out provider);
}
}
return(provider);
}
internal Task <CompletionContext> GetContextAsync(
CompletionProvider provider,
Document document,
int position,
CompletionTrigger triggerInfo,
OptionSet options,
CancellationToken cancellationToken)
{
return(_completionServiceWithProviders.GetContextAsync(
provider,
document,
position,
triggerInfo,
options,
defaultSpan: null,
cancellationToken));
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
{
Provider = provider ?? throw new ArgumentNullException(nameof(provider));
Document = document ?? throw new ArgumentNullException(nameof(document));
Position = position;
CompletionListSpan = defaultSpan;
Trigger = trigger;
Options = options ?? throw new ArgumentNullException(nameof(options));
CancellationToken = cancellationToken;
_items = new List <CompletionItem>();
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet?options,
CancellationToken cancellationToken)
: this(provider ?? throw new ArgumentNullException(nameof(provider)),
document ?? throw new ArgumentNullException(nameof(document)),
position,
defaultSpan,
trigger,
// Publicly available options do not affect this API.
CompletionOptions.Default,
cancellationToken)
{
#pragma warning disable RS0030 // Do not used banned APIs
Options = options ?? OptionValueSet.Empty;
#pragma warning restore
}
private async Task <CompletionContext> GetContextAsync(
CompletionProvider provider,
Document document,
int position,
CompletionTrigger triggerInfo,
OptionSet options,
TextSpan?defaultSpan,
CancellationToken cancellationToken)
{
options = options ?? document.Project.Solution.Workspace.Options;
if (defaultSpan == null)
{
var text = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
defaultSpan = this.GetDefaultCompletionListSpan(text, position);
}
var context = new CompletionContext(provider, document, position, defaultSpan.Value, triggerInfo, options, cancellationToken);
await provider.ProvideCompletionsAsync(context).ConfigureAwait(false);
return(context);
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (options == null)
{
throw new ArgumentException(nameof(options));
}
this.Provider = provider;
this.Document = document;
this.Position = position;
#pragma warning disable CS0618 // Type or member is obsolete
this.DefaultItemSpan = defaultSpan;
#pragma warning restore CS0618 // Type or member is obsolete
this.CompletionListSpan = defaultSpan;
this.Trigger = trigger;
this.Options = options;
this.CancellationToken = cancellationToken;
_items = new List <CompletionItem>();
}
/// <summary>
/// Creates a <see cref="CompletionContext"/> instance.
/// </summary>
public CompletionContext(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultSpan,
CompletionTrigger trigger,
OptionSet options,
CancellationToken cancellationToken)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (options == null)
{
throw new ArgumentException(nameof(options));
}
this.Provider = provider;
this.Document = document;
this.Position = position;
#pragma warning disable CS0618 // Type or member is obsolete
this.DefaultItemSpan = defaultSpan;
#pragma warning restore CS0618 // Type or member is obsolete
this.CompletionListSpan = defaultSpan;
this.Trigger = trigger;
this.Options = options;
this.CancellationToken = cancellationToken;
_items = new List<CompletionItem>();
}
private static async Task<CompletionContext> GetProviderCompletionsAsync(
CompletionProvider provider,
Document document,
int position,
TextSpan defaultFilterSpan,
CompletionTrigger triggerInfo,
OptionSet options,
CancellationToken cancellationToken)
{
var context = new CompletionContext(provider, document, position, defaultFilterSpan, triggerInfo, options, cancellationToken);
await provider.ProvideCompletionsAsync(context).ConfigureAwait(false);
return context;
}
