diff options
Diffstat (limited to 'main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs')
| -rw-r--r-- | main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs | 133 |
1 files changed, 99 insertions, 34 deletions
diff --git a/main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs b/main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs index f69c94d427..1b958ef287 100644 --- a/main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs +++ b/main/src/core/Mono.Texteditor/Mono.TextEditor/Document/TextDocument.cs @@ -40,7 +40,7 @@ namespace Mono.TextEditor { public class TextDocument : ICSharpCode.NRefactory.AbstractAnnotatable, ICSharpCode.NRefactory.Editor.IDocument { - readonly IBuffer buffer; + readonly Rope<char> buffer; readonly ILineSplitter splitter; ISyntaxMode syntaxMode = null; @@ -61,11 +61,21 @@ namespace Mono.TextEditor lock (this) { mimeType = value; SyntaxMode = SyntaxModeService.GetSyntaxMode (this, value); + OnMimeTypeChanged (EventArgs.Empty); } } } } - + + public event EventHandler MimeTypeChanged; + + protected virtual void OnMimeTypeChanged (EventArgs e) + { + EventHandler handler = this.MimeTypeChanged; + if (handler != null) + handler (this, e); + } + string fileName; public string FileName { get { @@ -91,6 +101,16 @@ namespace Mono.TextEditor set; } + public bool UseBom { + get; + set; + } + + public System.Text.Encoding Encoding { + get; + set; + } + internal ILineSplitter Splitter { get { return splitter; @@ -135,11 +155,10 @@ namespace Mono.TextEditor } } - protected TextDocument (IBuffer buffer,ILineSplitter splitter) + protected TextDocument (Rope<char> buffer,ILineSplitter splitter) { this.buffer = buffer; this.splitter = splitter; - splitter.LineChanged += SplitterLineSegmentTreeLineChanged; splitter.LineRemoved += HandleSplitterLineSegmentTreeLineRemoved; foldSegmentTree.tree.NodeRemoved += HandleFoldSegmentTreetreeNodeRemoved; textSegmentMarkerTree.InstallListener (this); @@ -152,7 +171,7 @@ namespace Mono.TextEditor foldedSegments.Remove (e.Node); } - public TextDocument () : this(new GapBuffer (), new LineSplitter ()) + public TextDocument () : this(new Rope<char> (), new LineSplitter ()) { } @@ -163,41 +182,56 @@ namespace Mono.TextEditor public static TextDocument CreateImmutableDocument (string text, bool suppressHighlighting = true) { - return new TextDocument (new StringBuffer (text), new PrimitiveLineSplitter ()) { + return new TextDocument (CharRope.Create (text), new PrimitiveLineSplitter ()) { SuppressHighlightUpdate = suppressHighlighting, Text = text, ReadOnly = true }; } - void SplitterLineSegmentTreeLineChanged (object sender, LineEventArgs e) - { - if (LineChanged != null) - LineChanged (this, e); + public event EventHandler<LineEventArgs> LineChanged { + add { splitter.LineChanged += value; } + remove { splitter.LineChanged -= value; } } - - public event EventHandler<LineEventArgs> LineChanged; - // public event EventHandler<LineEventArgs> LineInserted; - + + public event EventHandler<LineEventArgs> LineInserted { + add { splitter.LineInserted += value; } + remove { splitter.LineInserted -= value; } + } + + public event EventHandler<LineEventArgs> LineRemoved { + add { splitter.LineRemoved += value; } + remove { splitter.LineRemoved -= value; } + } + #region Buffer implementation + public int TextLength { get { - return buffer.TextLength; + return buffer.Length; } } public bool SuppressHighlightUpdate { get; set; } internal DocumentLine longestLineAtTextSet; + WeakReference cachedText; public string Text { get { - return buffer.Text; + string completeText = cachedText != null ? (cachedText.Target as string) : null; + if (completeText == null) { + completeText = buffer.ToString(); + cachedText = new WeakReference(completeText); + } + return completeText; } set { var args = new DocumentChangeEventArgs (0, Text, value); textSegmentMarkerTree.Clear (); OnTextReplacing (args); - buffer.Text = value; + cachedText = null; + buffer.Clear (); + buffer.InsertText (0, value); extendingTextMarkers = new List<TextLineMarker> (); splitter.Initalize (value, out longestLineAtTextSet); ClearFoldSegments (); @@ -255,8 +289,10 @@ namespace Mono.TextEditor } redoStack.Clear (); } - - buffer.Replace (offset, count, value); + cachedText = null; + buffer.RemoveRange(offset, count); + if (!string.IsNullOrEmpty (value)) + buffer.InsertText (offset, value); foldSegmentTree.UpdateOnTextReplace (this, args); splitter.TextReplaced (this, args); versionProvider.AppendChange (args); @@ -274,7 +310,7 @@ namespace Mono.TextEditor if (endOffset > TextLength) throw new ArgumentException ("endOffset > Length"); - return buffer.GetTextAt (startOffset, endOffset - startOffset); + return buffer.ToString (startOffset, endOffset - startOffset); } public string GetTextBetween (DocumentLocation start, DocumentLocation end) @@ -297,7 +333,7 @@ namespace Mono.TextEditor throw new ArgumentException ("count < 0"); if (offset + count > TextLength) throw new ArgumentException ("offset + count is beyond EOF"); - return buffer.GetTextAt (offset, count); + return buffer.ToString (offset, count); } public string GetTextAt (DocumentRegion region) @@ -337,17 +373,17 @@ namespace Mono.TextEditor throw new ArgumentException ("offset < 0"); if (offset >= TextLength) throw new ArgumentException ("offset >= TextLength"); - return buffer.GetCharAt (offset); + return buffer [offset]; } public char GetCharAt (DocumentLocation location) { - return buffer.GetCharAt (LocationToOffset (location)); + return buffer [LocationToOffset (location)]; } public char GetCharAt (int line, int column) { - return buffer.GetCharAt (LocationToOffset (line, column)); + return buffer [LocationToOffset (line, column)]; } /// <summary> @@ -1176,6 +1212,11 @@ namespace Mono.TextEditor return foldSegmentTree.GetSegmentsOverlapping (line.Offset, line.Length).Cast<FoldSegment> (); } + public IEnumerable<FoldSegment> GetFoldingContaining (int offset, int length) + { + return foldSegmentTree.GetSegmentsOverlapping (offset, length).Cast<FoldSegment> (); + } + public IEnumerable<FoldSegment> GetStartFoldings (int lineNumber) { return GetStartFoldings (this.GetLine (lineNumber)); @@ -1188,6 +1229,11 @@ namespace Mono.TextEditor return GetFoldingContaining (line).Where (fold => fold.StartLine == line); } + public IEnumerable<FoldSegment> GetStartFoldings (int offset, int length) + { + return GetFoldingContaining (offset, length).Where (fold => offset <= fold.StartLine.Offset && fold.StartLine.Offset < offset + length); + } + public IEnumerable<FoldSegment> GetEndFoldings (int lineNumber) { return GetStartFoldings (this.GetLine (lineNumber)); @@ -1200,7 +1246,12 @@ namespace Mono.TextEditor yield return segment; } } - + + public IEnumerable<FoldSegment> GetEndFoldings (int offset, int length) + { + return GetFoldingContaining (offset, length).Where (fold => offset <= fold.EndLine.Offset && fold.EndLine.Offset < offset + length); + } + public int GetLineCount (FoldSegment segment) { return segment.EndLine.LineNumber - segment.StartLine.LineNumber; @@ -1656,12 +1707,14 @@ namespace Mono.TextEditor #region Diff + + int[] GetDiffCodes (ref int codeCounter, Dictionary<string, int> codeDictionary, bool includeEol) { int i = 0; var result = new int[LineCount]; foreach (DocumentLine line in Lines) { - string lineText = buffer.GetTextAt (line.Offset, includeEol ? line.LengthIncludingDelimiter : line.Length); + string lineText = buffer.ToString (line.Offset, includeEol ? line.LengthIncludingDelimiter : line.Length); int curCode; if (!codeDictionary.TryGetValue (lineText, out curCode)) { codeDictionary[lineText] = curCode = ++codeCounter; @@ -1854,12 +1907,12 @@ namespace Mono.TextEditor public System.IO.TextReader CreateReader () { - return new BufferedTextReader (buffer); + return new RopeTextReader (buffer); } public System.IO.TextReader CreateReader (int offset, int length) { - throw new NotImplementedException (); + return new RopeTextReader(buffer.GetRange(offset, length)); } string ICSharpCode.NRefactory.Editor.ITextSource.GetText (int offset, int length) @@ -1893,25 +1946,37 @@ namespace Mono.TextEditor } } - public SnapshotDocument (string text, ITextSourceVersion version) : base (new StringBuffer (text), new PrimitiveLineSplitter ()) + public SnapshotDocument (TextDocument doc) : base (doc.buffer.Clone(), new ImmutableLineSplitter (doc.splitter)) { - this.version = version; - Text = text; + this.version = doc.Version; + fileName = doc.fileName; + Encoding = doc.Encoding; + UseBom = doc.UseBom; + mimeType = doc.mimeType; + ReadOnly = true; } } public TextDocument CreateDocumentSnapshot () { - return new SnapshotDocument (Text, Version); + return new SnapshotDocument (this); } - ICSharpCode.NRefactory.Editor.IDocument ICSharpCode.NRefactory.Editor.IDocument.CreateDocumentSnapshot () + public Mono.TextEditor.Utils.Rope<char> CloneRope () { - return new SnapshotDocument (Text, Version); + return buffer.Clone (); } + public Mono.TextEditor.Utils.Rope<char> CloneRope (int offset, int count) + { + return buffer.GetRange (offset, count); + } + ICSharpCode.NRefactory.Editor.IDocument ICSharpCode.NRefactory.Editor.IDocument.CreateDocumentSnapshot () + { + return new SnapshotDocument (this); + } #endregion } |