void OnUpdateToggleComment(CommandInfo info)
{
var scope = Editor.SyntaxHighlighting.GetScopeStackAsync(Editor.CaretOffset, CancellationToken.None).WaitAndGetResult(CancellationToken.None);
var lang = TextMateLanguage.Create(scope);
info.Visible = lang.LineComments.Count + lang.BlockComments.Count > 0;
}
static int GetLastSourceCodePosition(IReadonlyTextDocument document, int lineOffset)
{
var line = document.GetLineByOffset(lineOffset);
bool isInBlockComment = false;
bool isInLineComment = false;
int curStringQuote = -1;
var lang = TextMateLanguage.Create(SyntaxHighlightingService.GetScopeForFileName(document.FileName));
var lineComments = lang.LineComments.ToArray();
var blockCommentStarts = lang.BlockComments.Select(b => b.Item1).ToList();
var blockCommentEnds = lang.BlockComments.Select(b => b.Item2).ToList();
var stringQuotes = new string [] { "\"", "'" };
for (int i = 0; i < line.Length; i++)
{
int offset = line.Offset + i;
// check line comments
if (!isInBlockComment && curStringQuote < 0)
{
isInLineComment = StartsWithListMember(document, lineComments, offset) >= 0;
if (isInLineComment)
{
return(System.Math.Min(offset, lineOffset));
}
}
// check block comments
if (!isInLineComment && curStringQuote < 0)
{
if (!isInBlockComment)
{
isInBlockComment = StartsWithListMember(document, blockCommentStarts, offset) >= 0;
}
else
{
isInBlockComment = StartsWithListMember(document, blockCommentEnds, offset) < 0;
}
}
if (!isInBlockComment && !isInLineComment)
{
int j = StartsWithListMember(document, stringQuotes, offset);
if (j >= 0)
{
if (curStringQuote >= 0)
{
if (curStringQuote == j)
{
curStringQuote = -1;
}
}
else
{
curStringQuote = j;
}
}
}
}
return(lineOffset);
}
async void ToggleCodeCommentWithBlockComments()
{
var scope = await Editor.SyntaxHighlighting.GetScopeStackAsync(Editor.CaretOffset, CancellationToken.None);
var lang = TextMateLanguage.Create(scope);
var lineComments = lang.LineComments.ToArray();
var blockStarts = lang.BlockComments.Select(b => b.Item1).ToList();
var blockEnds = lang.BlockComments.Select(b => b.Item2).ToList();
if (blockStarts.Count == 0 || blockEnds.Count == 0)
{
return;
}
string blockStart = blockStarts[0];
string blockEnd = blockEnds[0];
using (var undo = Editor.OpenUndoGroup()) {
IDocumentLine startLine;
IDocumentLine endLine;
if (Editor.IsSomethingSelected)
{
startLine = Editor.GetLineByOffset(Editor.SelectionRange.Offset);
endLine = Editor.GetLineByOffset(Editor.SelectionRange.EndOffset);
// If selection ends at begining of line... This is visible as previous line
// is selected, hence we want to select previous line Bug 26287
if (endLine.Offset == Editor.SelectionRange.EndOffset)
{
endLine = endLine.PreviousLine;
}
}
else
{
startLine = endLine = Editor.GetLine(Editor.CaretLine);
}
string startLineText = Editor.GetTextAt(startLine.Offset, startLine.Length);
string endLineText = Editor.GetTextAt(endLine.Offset, endLine.Length);
if (startLineText.StartsWith(blockStart, StringComparison.Ordinal) && endLineText.EndsWith(blockEnd, StringComparison.Ordinal))
{
Editor.RemoveText(endLine.Offset + endLine.Length - blockEnd.Length, blockEnd.Length);
Editor.RemoveText(startLine.Offset, blockStart.Length);
if (Editor.IsSomethingSelected)
{
Editor.SelectionAnchorOffset -= blockEnd.Length;
}
}
else
{
Editor.InsertText(endLine.Offset + endLine.Length, blockEnd);
Editor.InsertText(startLine.Offset, blockStart);
if (Editor.IsSomethingSelected)
{
Editor.SelectionAnchorOffset += blockEnd.Length;
}
}
}
}
bool TryGetLineCommentTag(out string commentTag)
{
var scope = Editor.SyntaxHighlighting.GetScopeStackAsync(Editor.CaretOffset, CancellationToken.None).WaitAndGetResult(CancellationToken.None);
var lang = TextMateLanguage.Create(scope);
if (lang.LineComments.Count == 0)
{
commentTag = null;
return(false);
}
commentTag = lang.LineComments [0];
return(true);
}
public static string[] GetCommentTags(string fileName)
{
//Document doc = IdeApp.Workbench.ActiveDocument;
var lang = TextMateLanguage.Create(SyntaxHighlightingService.GetScopeForFileName(fileName));
if (lang.LineComments.Count > 0)
{
return(lang.LineComments.ToArray());
}
if (lang.BlockComments.Count > 0)
{
return new [] { lang.BlockComments[0].Item1, lang.BlockComments[0].Item2 }
}
;
return(null);
}
public static async Task <IEnumerable <CodeTemplate> > GetCodeTemplatesAsync(TextEditor editor, CancellationToken cancellationToken = default(CancellationToken))
{
var result = new List <CodeTemplate> ();
result.AddRange(GetCodeTemplates(editor.MimeType));
var scope = await editor.SyntaxHighlighting.GetScopeStackAsync(editor.CaretOffset, cancellationToken);
foreach (var setting in TextMateLanguage.Create(scope).Snippets)
{
var convertedTemplate = ConvertToTemplate(setting);
if (convertedTemplate != null)
{
result.Add(convertedTemplate);
}
}
return(result);
}
static bool StartsInLineComment(IReadonlyTextDocument document, int offset)
{
var lang = TextMateLanguage.Create(SyntaxHighlightingService.GetScopeForFileName(document.FileName));
var lineComments = lang.LineComments.ToArray();
var blockCommentStarts = lang.BlockComments.Select(b => b.Item1).ToList();
var blockCommentEnds = lang.BlockComments.Select(b => b.Item2).ToList();
var line = document.GetLineByOffset(offset);
for (int i = line.Offset; i < offset; i++)
{
if (StartsWithListMember(document, lineComments, i) >= 0)
{
return(true);
}
}
return(false);
}
static int SearchMatchingBracketForward(IReadonlyTextDocument document, int offset, char openBracket, char closingBracket, CancellationToken cancellationToken)
{
bool isInBlockComment = false;
bool isInLineComment = false;
int curStringQuote = -1;
bool startsInLineComment = StartsInLineComment(document, offset);
var lang = TextMateLanguage.Create(SyntaxHighlightingService.GetScopeForFileName(document.FileName));
var lineComments = lang.LineComments.ToArray();
var blockCommentStarts = lang.BlockComments.Select(b => b.Item1).ToList();
var blockCommentEnds = lang.BlockComments.Select(b => b.Item2).ToList();
var stringQuotes = new string [] { "\"", "'" };
int depth = -1;
while (offset >= 0 && offset < document.Length)
{
if (offset % 100 == 0 && cancellationToken.IsCancellationRequested)
{
return(-1);
}
if (curStringQuote < 0)
{
// check line comments
if (!isInBlockComment && !isInLineComment)
{
isInLineComment = StartsWithListMember(document, lineComments, offset) >= 0;
}
// check block comments
if (!isInLineComment)
{
if (!isInBlockComment)
{
isInBlockComment = StartsWithListMember(document, blockCommentStarts, offset) >= 0;
}
else
{
isInBlockComment = StartsWithListMember(document, blockCommentEnds, offset) < 0;
}
}
}
if (!isInBlockComment && !isInLineComment)
{
int i = StartsWithListMember(document, stringQuotes, offset);
if (i >= 0)
{
if (curStringQuote >= 0)
{
if (curStringQuote == i)
{
curStringQuote = -1;
}
}
else
{
curStringQuote = i;
}
}
}
char ch = document.GetCharAt(offset);
switch (ch)
{
case '\n':
case '\r':
if (startsInLineComment)
{
return(-1);
}
isInLineComment = false;
break;
default:
if (ch == closingBracket)
{
if (!(isInLineComment || curStringQuote >= 0 || isInBlockComment))
{
--depth;
}
}
else if (ch == openBracket)
{
if (!(isInLineComment || curStringQuote >= 0 || isInBlockComment))
{
++depth;
if (depth == 0)
{
return(offset);
}
}
}
break;
}
offset++;
}
return(-1);
}
