public static void FormatCurrentScope(IEditorView editorView, IEditorBuffer textBuffer, IServiceContainer services, bool indentCaret)
{
// Figure out caret position in the document text buffer
var document = textBuffer.GetEditorDocument <IREditorDocument>();
if (document == null)
{
return;
}
var caretPoint = editorView.GetCaretPosition(textBuffer);
if (caretPoint == null)
{
return;
}
// Make sure AST is up to date
document.EditorTree.EnsureTreeReady();
var ast = document.EditorTree.AstRoot;
// Find scope to format
var scope = ast.GetNodeOfTypeFromPosition <IScope>(caretPoint.Position);
var es = services.GetService <IEditorSupport>();
using (var undoAction = es.CreateUndoAction(editorView)) {
var settings = services.GetService <IREditorSettings>();
undoAction.Open(Resources.AutoFormat);
// Now format the scope
var formatter = new RangeFormatter(services);
var changed = formatter.FormatRange(editorView, textBuffer, scope);
if (indentCaret)
{
// Formatting may change AST and the caret position so we need to reacquire both
caretPoint = editorView.GetCaretPosition(textBuffer);
if (caretPoint != null)
{
document.EditorTree.EnsureTreeReady();
ast = document.EditorTree.AstRoot;
scope = ast.GetNodeOfTypeFromPosition <IScope>(caretPoint.Position);
IndentCaretInNewScope(editorView, scope, caretPoint, settings.FormatOptions);
}
}
if (changed)
{
undoAction.Commit();
}
}
}
/// <summary>
/// Formats statement that the caret is at
/// </summary>
public void FormatCurrentStatement(bool limitAtCaret = false, int caretOffset = 0)
{
var caretPoint = _editorView.GetCaretPosition(_editorBuffer);
if (caretPoint == null)
{
return;
}
var document = _editorBuffer.GetEditorDocument <IREditorDocument>();
if (document != null)
{
var ast = document.EditorTree.AstRoot;
var node = ast.GetNodeOfTypeFromPosition <IStatement>(Math.Max(0, caretPoint.Position + caretOffset)) as IAstNode;
FormatNode(node, limit: caretPoint.Position);
}
}
public static bool IsCaretInNamespace(this IEditorView view, IEditorBuffer editorBuffer = null)
{
editorBuffer = editorBuffer ?? view.EditorBuffer;
var bufferPosition = view.GetCaretPosition(editorBuffer);
if (bufferPosition != null)
{
return(bufferPosition.Snapshot.IsPositionInNamespace(bufferPosition.Position));
}
return(false);
}
/// <summary>
/// Formats line the caret is currently at
/// </summary>
public static void FormatViewLine(IEditorView editorView, IEditorBuffer textBuffer, int offset, IServiceContainer services)
{
var caretPoint = editorView.GetCaretPosition(textBuffer);
if (caretPoint == null)
{
return;
}
var snapshot = textBuffer.CurrentSnapshot;
var lineNumber = snapshot.GetLineNumberFromPosition(caretPoint.Position);
var line = snapshot.GetLineFromLineNumber(lineNumber + offset);
var formatRange = new TextRange(line.Start, line.Length);
UndoableFormatRange(editorView, textBuffer, formatRange, services);
}
/// <summary>
/// Formats statement that the caret is at
/// </summary>
public static void FormatCurrentStatement(IEditorView editorView, IEditorBuffer textBuffer, IServiceContainer services, bool limitAtCaret = false, int caretOffset = 0)
{
var caretPoint = editorView.GetCaretPosition(textBuffer);
if (caretPoint == null)
{
return;
}
var document = textBuffer.GetEditorDocument <IREditorDocument>();
if (document != null)
{
var ast = document.EditorTree.AstRoot;
var node = ast.GetNodeOfTypeFromPosition <IStatement>(Math.Max(0, caretPoint.Position + caretOffset)) as IAstNode;
FormatNode(editorView, textBuffer, services, node, limit: caretPoint.Position);
}
}
public static bool IsCaretInLibraryStatement(this IEditorView view, IEditorBuffer editorBuffer = null)
{
try {
editorBuffer = editorBuffer ?? view.EditorBuffer;
var bufferPosition = view.GetCaretPosition(editorBuffer);
if (bufferPosition != null)
{
var snapshot = bufferPosition.Snapshot;
int caretPosition = bufferPosition.Position;
var line = snapshot.GetLineFromPosition(caretPosition);
if (line.Length < 8 || caretPosition < line.Start + 8 || snapshot[caretPosition - 1] != '(')
{
return(false);
}
int start = -1;
int end = -1;
for (int i = caretPosition - 2; i >= 0; i--)
{
if (!char.IsWhiteSpace(snapshot[i]))
{
end = i + 1;
break;
}
}
if (end <= 0)
{
return(false);
}
for (int i = end - 1; i >= 0; i--)
{
if (char.IsWhiteSpace(snapshot[i]))
{
start = i + 1;
break;
}
else if (i == 0)
{
start = 0;
break;
}
}
if (start < 0 || end <= start)
{
return(false);
}
start -= line.Start;
end -= line.Start;
string s = line.GetText().Substring(start, end - start);
if (s == "library" || s == "require")
{
return(true);
}
}
} catch (ArgumentException) { }
return(false);
}