public TextBuffer(IContentType contentType, string text)
{
Properties = new PropertyCollection();
this.contentType = contentType ?? throw new ArgumentNullException(nameof(contentType));
currentTextVersion = new TextVersion(this, text?.Length ?? 0, 0, 0);
Document = new TextDocument(text);
Document.SetOwnerThread(null);
}
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);
}
public TextBuffer(IContentType contentType, string text) {
if (contentType == null)
throw new ArgumentNullException(nameof(contentType));
Properties = new PropertyCollection();
this.contentType = contentType;
currentTextVersion = new TextVersion(this, text?.Length ?? 0, 0, 0);
Document = new TextDocument(text);
Document.SetOwnerThread(null);
}
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 TextVersion SetChanges(IList<ITextChange> changes, int? reiteratedVersionNumber = null) {
var normalizedChanges = NormalizedTextChangeCollection.Create(changes);
if (reiteratedVersionNumber == null)
reiteratedVersionNumber = changes.Count == 0 ? ReiteratedVersionNumber : VersionNumber + 1;
int newLength = Length;
foreach (var c in normalizedChanges)
newLength += c.Delta;
Debug.Assert(newLength >= 0);
var newVersion = new TextVersion(TextBuffer, newLength, VersionNumber + 1, reiteratedVersionNumber.Value);
Changes = normalizedChanges;
Next = newVersion;
return newVersion;
}
public TextVersion SetChanges(IList <ITextChange> changes, int?reiteratedVersionNumber = null)
{
var normalizedChanges = NormalizedTextChangeCollection.Create(changes);
int reiterVerNum = reiteratedVersionNumber ?? (changes.Count == 0 ? ReiteratedVersionNumber : VersionNumber + 1);
int newLength = Length;
foreach (var c in normalizedChanges)
{
newLength += c.Delta;
}
Debug.Assert(newLength >= 0);
var newVersion = new TextVersion(TextBuffer, newLength, VersionNumber + 1, reiterVerNum, textImageVersion.Identifier);
textImageVersion.SetChanges(normalizedChanges, newVersion.textImageVersion);
Next = newVersion;
return(newVersion);
}
public TextVersion SetChanges(IList <ITextChange> changes, int?reiteratedVersionNumber = null)
{
var normalizedChanges = NormalizedTextChangeCollection.Create(changes);
if (reiteratedVersionNumber == null)
{
reiteratedVersionNumber = changes.Count == 0 ? ReiteratedVersionNumber : VersionNumber + 1;
}
int newLength = Length;
foreach (var c in normalizedChanges)
{
newLength += c.Delta;
}
Debug.Assert(newLength >= 0);
var newVersion = new TextVersion(TextBuffer, newLength, VersionNumber + 1, reiteratedVersionNumber.Value);
Changes = normalizedChanges;
Next = newVersion;
return(newVersion);
}
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);
}
