public RenameResponse Rename(RenameRequest req)
{
var project = _solution.ProjectContainingFile(req.FileName);
var syntaxTree = project.CreateParser().Parse(req.Buffer, req.FileName);
var sourceNode = syntaxTree.GetNodeAt(req.Line, req.Column);
if (sourceNode == null)
{
return(new RenameResponse());
}
IEnumerable <AstNode> nodes = _findUsagesHandler.FindUsageNodes(req).ToArray();
var response = new RenameResponse();
var modfiedFiles = new List <ModifiedFileResponse>();
response.Changes = modfiedFiles;
foreach (IGrouping <string, AstNode> groupedNodes in nodes.GroupBy(n => n.GetRegion().FileName))
{
string fileName = groupedNodes.Key;
OmniSharpRefactoringContext context;
if (groupedNodes.Key != req.FileName)
{
var file = _solution.GetFile(fileName);
var bufferParser = new BufferParser(_solution);
var content = bufferParser.ParsedContent(file.Document.Text, file.FileName);
var resolver = new CSharpAstResolver(content.Compilation, content.SyntaxTree, content.UnresolvedFile);
context = new OmniSharpRefactoringContext(file.Document, resolver);
}
else
{
context = OmniSharpRefactoringContext.GetContext(_bufferParser, req);
}
string modifiedBuffer = null;
var lastToFirstNodes = groupedNodes.OrderByDescending(n => n.EndLocation.Line)
.ThenByDescending(n => n.EndLocation.Column);
foreach (var node in lastToFirstNodes)
{
using (var script = new OmniSharpScript(context, _config))
{
script.Rename(node, req.RenameTo);
modifiedBuffer = script.CurrentDocument.Text;
}
}
if (modifiedBuffer != null)
{
var modifiedFile = new ModifiedFileResponse
{
FileName
= fileName,
Buffer = modifiedBuffer
};
modfiedFiles.Add(modifiedFile);
response.Changes = modfiedFiles;
_bufferParser.ParsedContent(modifiedBuffer, fileName);
_solution.ProjectContainingFile(fileName).UpdateFile(fileName, modifiedBuffer);
}
}
return(response);
}
