public SnapshotSourceText(ITextSnapshot roslynSnapshot, TextBufferContainer containerOpt)
{
Contract.ThrowIfNull(roslynSnapshot);
this.EditorSnapshot = roslynSnapshot;
_containerOpt = containerOpt;
}
public static SourceText From(
ITextBufferCloneService?textBufferCloneService,
ITextSnapshot editorSnapshot
)
{
if (editorSnapshot == null)
{
throw new ArgumentNullException(nameof(editorSnapshot));
}
if (!s_textSnapshotMap.TryGetValue(editorSnapshot, out var snapshot))
{
// Explicitly obtain the TextBufferContainer before calling GetValue to avoid reentrancy in
// ConditionalWeakTable. https://github.com/dotnet/roslyn/issues/28256
var container = TextBufferContainer.From(editorSnapshot.TextBuffer);
// Avoid capturing `textBufferCloneServiceOpt` on the fast path
var tempTextBufferCloneService = textBufferCloneService;
snapshot = s_textSnapshotMap.GetValue(
editorSnapshot,
s => new SnapshotSourceText(tempTextBufferCloneService, s, container)
);
}
return(snapshot);
}
private SnapshotSourceText(ITextSnapshot editorSnapshot)
{
Contract.ThrowIfNull(editorSnapshot);
this.EditorSnapshot = editorSnapshot;
_containerOpt = TextBufferContainer.From(editorSnapshot.TextBuffer);
_reiteratedVersion = editorSnapshot.Version.ReiteratedVersionNumber;
}
public SnapshotSourceText(ITextSnapshot roslynSnapshot, Encoding encodingOpt, TextBufferContainer containerOpt)
{
Contract.ThrowIfNull(roslynSnapshot);
this.RoslynSnapshot = roslynSnapshot;
_encodingOpt = encodingOpt;
_containerOpt = containerOpt;
}
public SnapshotSourceText(ITextSnapshot roslynSnapshot, Encoding encodingOpt, TextBufferContainer containerOpt)
{
Contract.ThrowIfNull(roslynSnapshot);
this.RoslynSnapshot = roslynSnapshot;
_encodingOpt = encodingOpt;
_containerOpt = containerOpt;
}
public SnapshotSourceText(ITextImage textImage, Encoding encodingOpt, TextBufferContainer containerOpt)
{
Contract.ThrowIfNull(textImage);
this.TextImage = textImage;
_encodingOpt = encodingOpt;
_containerOpt = containerOpt;
}
private SnapshotSourceText(ITextSnapshot editorSnapshot, TextBufferContainer container)
{
Contract.ThrowIfNull(editorSnapshot);
this.TextImage = RecordReverseMapAndGetImage(editorSnapshot);
_encodingOpt = editorSnapshot.TextBuffer.GetEncodingOrUTF8();
_containerOpt = container;
}
private SnapshotSourceText(ITextSnapshot editorSnapshot, Encoding encodingOpt)
{
Contract.ThrowIfNull(editorSnapshot);
this.RoslynSnapshot = TextBufferMapper.ToRoslyn(editorSnapshot);
_containerOpt = TextBufferContainer.From(editorSnapshot.TextBuffer);
_reiteratedVersion = editorSnapshot.Version.ReiteratedVersionNumber;
_encodingOpt = encodingOpt;
}
private SnapshotSourceText(ITextSnapshot editorSnapshot, Encoding encodingOpt)
{
Contract.ThrowIfNull(editorSnapshot);
this.RoslynSnapshot = TextBufferMapper.ToRoslyn(editorSnapshot);
_containerOpt = TextBufferContainer.From(editorSnapshot.TextBuffer);
_reiteratedVersion = editorSnapshot.Version.ReiteratedVersionNumber;
_encodingOpt = encodingOpt;
}
/// <summary>
/// This only exist to break circular dependency on creating buffer. nobody except extension itself should use it
/// </summary>
internal static SourceText From(ITextSnapshot editorSnapshot, TextBufferContainer container)
{
if (editorSnapshot == null)
{
throw new ArgumentNullException(nameof(editorSnapshot));
}
Contract.ThrowIfFalse(editorSnapshot.TextBuffer == container.GetTextBuffer());
return(s_textSnapshotMap.GetValue(editorSnapshot, s => new SnapshotSourceText(s, container)));
}
private SnapshotSourceText(ITextBufferCloneService textBufferCloneServiceOpt, ITextSnapshot editorSnapshot) :
this(textBufferCloneServiceOpt, editorSnapshot, TextBufferContainer.From(editorSnapshot.TextBuffer))
{
}
public static SourceTextContainer AsTextContainer(this ITextBuffer buffer) => TextBufferContainer.From(buffer);
public static SourceTextContainer AsTextContainer(this ITextBuffer buffer)
{
return(TextBufferContainer.From(buffer));
}
private SnapshotSourceText(ITextSnapshot editorSnapshot) :
this(editorSnapshot, TextBufferContainer.From(editorSnapshot.TextBuffer))
{
}
