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static private NextDelimiter ( string text, int offset ) : |
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| text | string | |
| offset | int | |
| return | ||
public void Initalize(string text, out DocumentLine longestLine)
{
delimiters = new List <LineSplitter.Delimiter> ();
int offset = 0, maxLength = 0, maxLine = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
var length = delimiter.EndOffset - offset;
if (length > maxLength)
{
maxLength = length;
maxLine = delimiters.Count;
}
delimiters.Add(delimiter);
offset = delimiter.EndOffset;
}
longestLine = Get(maxLine);
textLength = text.Length;
}
void EnsureBuild()
{
if (this.lines != null)
return;
var text = src.Text;
var nodes = new List<LineSegment> ();
var delimiterType = UnicodeNewline.Unknown;
int offset = 0, maxLength = 0, lineNumber = 0;
while (true) {
var delimiter = LineSplitter.NextDelimiter (text, offset);
if (delimiter.IsInvalid)
break;
int delimiterEndOffset = delimiter.Offset + delimiter.Length;
var length = delimiterEndOffset - offset;
var newLine = new LineSegment (this, lineNumber++, offset, length, delimiter.UnicodeNewline);
nodes.Add (newLine);
if (length > maxLength) {
maxLength = length;
}
if (offset > 0) {
LineEndingMismatch |= delimiterType != delimiter.UnicodeNewline;
} else {
delimiterType = delimiter.UnicodeNewline;
}
offset = delimiterEndOffset;
}
var lastLine = new LineSegment (this, lineNumber++, offset, text.Length - offset, UnicodeNewline.Unknown);
nodes.Add (lastLine);
this.lines = nodes.ToArray ();
}
public void Initalize(string text)
{
delimiters = new List <LineSplitter.Delimiter> ();
int offset = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
delimiters.Add(delimiter);
offset = delimiter.EndOffset;
}
textLength = text.Length;
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, (ClipboardReceivedFunc) delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
var upperBound = System.Math.Max(0, System.Math.Min(selBytes [1], selBytes.Length - 2));
byte[] copyData = new byte[upperBound];
Array.Copy(selBytes, 2, copyData, 0, copyData.Length);
var rawTextOffset = 1 + 1 + copyData.Length;
string text = Encoding.UTF8.GetString(selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (pasteBlock)
{
using (var undo = data.OpenUndoGroup()) {
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
insertionOffset = version.MoveOffsetTo(data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
var lines = new List <string> ();
int offset = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
int delimiterEndOffset = delimiter.EndOffset;
lines.Add(text.Substring(offset, delimiter.Offset - offset));
offset = delimiterEndOffset;
}
if (offset < text.Length)
{
lines.Add(text.Substring(offset, text.Length - offset));
}
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Count; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert((int)data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.Length + 1 < lineCol)
{
result += lineCol - curLine.Length;
data.Insert(curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
if (!preserveState)
{
data.ClearSelection();
}
data.FixVirtualIndentation(startLine);
data.Caret.PreserveSelection = false;
}
}
else if (pasteLine)
{
using (var undo = data.OpenUndoGroup()) {
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine(data.Caret.Line);
result = PastePlainText(data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.FixVirtualIndentation(curLine.LineNumber);
}
}
else
{
result = PastePlainText(data, insertionOffset, text, preserveSelection, copyData);
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return(result);
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
result = PastePlainText(data, insertionOffset, text, preserveSelection);
});
}
return(result);
}
static int PasteFrom(TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (Clipboard.ContainsData <byte[]>())
{
byte[] selBytes = Clipboard.GetData <byte[]>();
var upperBound = System.Math.Max(0, System.Math.Min(selBytes[1], selBytes.Length - 2));
byte[] copyData = new byte[upperBound];
Array.Copy(selBytes, 2, copyData, 0, copyData.Length);
var rawTextOffset = 1 + 1 + copyData.Length;
string text = Encoding.UTF8.GetString(selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
bool pasteBlock = (selBytes[0] & 1) == 1;
bool pasteLine = (selBytes[0] & 2) == 2;
if (pasteBlock)
{
using (var undo = data.OpenUndoGroup())
{
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
insertionOffset = version.MoveOffsetTo(data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
var lines = new List <string>();
int offset = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
int delimiterEndOffset = delimiter.EndOffset;
lines.Add(text.Substring(offset, delimiter.Offset - offset));
offset = delimiterEndOffset;
}
if (offset < text.Length)
{
lines.Add(text.Substring(offset, text.Length - offset));
}
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Count; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines[i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.Length + 1 < lineCol)
{
result += lineCol - curLine.Length;
data.Insert(curLine.Offset + curLine.Length, new string(' ', lineCol - curLine.Length));
}
data.Insert(curLine.Offset + lineCol, lines[i]);
result += lines[i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines[i].Length;
}
}
if (!preserveState)
{
data.ClearSelection();
}
data.FixVirtualIndentation(startLine);
data.Caret.PreserveSelection = false;
}
}
else if (pasteLine)
{
using (var undo = data.OpenUndoGroup())
{
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine(data.Caret.Line);
result = PastePlainText(data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.FixVirtualIndentation(curLine.LineNumber);
}
}
else
{
result = PastePlainText(data, insertionOffset, text, preserveSelection, copyData);
}
}
else if (Clipboard.ContainsData(TransferDataType.Text))
{
var text = Clipboard.GetText();
result = PastePlainText(data, insertionOffset, text, preserveState);
}
return(result);
}