static FormattingChanges GetFormattingChanges(PolicyContainer policyParent, IEnumerable <string> mimeTypeChain, MonoDevelop.Ide.Gui.Document document, string input, DomRegion formattingRegion, ref int formatStartOffset, ref int formatLength, bool formatLastStatementOnly)
{
using (var stubData = TextEditorData.CreateImmutable(input)) {
stubData.Document.FileName = document.FileName;
var parser = document.HasProject ? new CSharpParser(TypeSystemParser.GetCompilerArguments(document.Project)) : new CSharpParser();
var compilationUnit = parser.Parse(stubData);
bool hadErrors = parser.HasErrors;
if (hadErrors)
{
using (var stubData2 = TextEditorData.CreateImmutable(input + "}")) {
compilationUnit = parser.Parse(stubData2);
hadErrors = parser.HasErrors;
}
}
// try it out, if the behavior is better when working only with correct code.
if (hadErrors)
{
return(null);
}
var policy = policyParent.Get <CSharpFormattingPolicy> (mimeTypeChain);
var formattingVisitor = new ICSharpCode.NRefactory.CSharp.CSharpFormatter(policy.CreateOptions(), document.Editor.CreateNRefactoryTextEditorOptions());
formattingVisitor.FormattingMode = FormattingMode.Intrusive;
formattingVisitor.AddFormattingRegion(formattingRegion);
var changes = formattingVisitor.AnalyzeFormatting(stubData.Document, compilationUnit);
if (formatLastStatementOnly)
{
AstNode node = compilationUnit.GetAdjacentNodeAt <Statement> (stubData.OffsetToLocation(formatStartOffset + formatLength - 1));
if (node != null)
{
while (node.Role == Roles.EmbeddedStatement || node.Role == IfElseStatement.TrueRole || node.Role == IfElseStatement.FalseRole)
{
node = node.Parent;
}
// include indentation if node starts in new line
var formatNode = node.GetPrevNode();
if (formatNode.Role != Roles.NewLine)
{
formatNode = node;
}
var start = stubData.LocationToOffset(formatNode.StartLocation);
if (start > formatStartOffset)
{
var end = stubData.LocationToOffset(node.EndLocation);
formatStartOffset = start;
formatLength = end - start;
}
}
}
return(changes);
}
}
static AstFormattingVisitor GetFormattingChanges(PolicyContainer policyParent, IEnumerable <string> mimeTypeChain, MonoDevelop.Ide.Gui.Document document, string input, DomRegion formattingRegion)
{
using (var stubData = TextEditorData.CreateImmutable(input)) {
stubData.Document.FileName = document.FileName;
var parser = document.HasProject ? new ICSharpCode.NRefactory.CSharp.CSharpParser(TypeSystemParser.GetCompilerArguments(document.Project)) : new ICSharpCode.NRefactory.CSharp.CSharpParser();
var compilationUnit = parser.Parse(stubData);
bool hadErrors = parser.HasErrors;
if (hadErrors)
{
using (var stubData2 = TextEditorData.CreateImmutable(input + "}")) {
compilationUnit = parser.Parse(stubData2);
hadErrors = parser.HasErrors;
}
}
// try it out, if the behavior is better when working only with correct code.
if (hadErrors)
{
return(null);
}
var policy = policyParent.Get <CSharpFormattingPolicy> (mimeTypeChain);
var formattingVisitor = new AstFormattingVisitor(policy.CreateOptions(), stubData.Document, document.Editor.CreateNRefactoryTextEditorOptions())
{
HadErrors = hadErrors,
FormattingRegion = formattingRegion
};
compilationUnit.AcceptVisitor(formattingVisitor);
return(formattingVisitor);
}
}
