void CreateNewCurrentSnapshot(IList <ITextChange> changes, int?reiteratedVersionNumber = null, ITextSource afterTextSource = null)
{
// It's null the first time it's called from the ctor
if (changes != null)
{
currentTextVersion = currentTextVersion.SetChanges(changes, reiteratedVersionNumber);
}
CurrentSnapshot = new TextSnapshot(afterTextSource ?? Document.CreateSnapshot(), ContentType, this, currentTextVersion);
}
internal bool IsSafeToAccessDocumentFromSnapshot(TextSnapshot snapshot)
{
// If it's not the latest snapshot, Document could be different
if (snapshot != CurrentSnapshot)
{
return(false);
}
// It's only safe to access Document on the owner thread. If owner thread
// is null, assume there's only one thread that accesses the text buffer.
return(CheckAccess());
}
void CreateNewCurrentSnapshot(IList <ITextChange>?changes, int?reiteratedVersionNumber = null, ITextSource?afterTextSource = null)
{
// It's null the first time it's called from the ctor
if (changes is not null)
{
currentTextVersion = currentTextVersion.SetChanges(changes, reiteratedVersionNumber);
}
var textSource = afterTextSource ?? Document.CreateSnapshot();
var textImage = new TextImage(this, textSource, currentTextVersion.ImageVersion);
CurrentSnapshot = new TextSnapshot(textImage, ContentType, this, currentTextVersion);
}
public bool Replace(Span replaceSpan, string replaceWith)
{
if (Canceled || hasApplied)
{
throw new InvalidOperationException();
}
if (replaceSpan.End > TextSnapshot.Length)
{
throw new ArgumentOutOfRangeException(nameof(replaceSpan));
}
if (replaceSpan.Length == 0 && replaceWith.Length == 0)
{
return(true);
}
changes.Add(new TextChange(replaceSpan.Start, TextSnapshot.GetText(replaceSpan), replaceWith));
return(true);
}
void CreateNewCurrentSnapshot(IList<ITextChange> changes, int? reiteratedVersionNumber = null, ITextSource afterTextSource = null) {
// It's null the first time it's called from the ctor
if (changes != null)
currentTextVersion = currentTextVersion.SetChanges(changes, reiteratedVersionNumber);
CurrentSnapshot = new TextSnapshot(afterTextSource ?? Document.CreateSnapshot(), ContentType, this, currentTextVersion);
}
internal bool IsSafeToAccessDocumentFromSnapshot(TextSnapshot snapshot) {
// If it's not the latest snapshot, Document could be different
if (snapshot != CurrentSnapshot)
return false;
// It's only safe to access Document on the owner thread. If owner thread
// is null, assume there's only one thread that accesses the text buffer.
return CheckAccess();
}
