private void HandleSignatureHelpRequest(string id, string paramsJson)
{
if (id == null)
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.InvalidRequest));
return;
}
Contracts.AssertValue(id);
Contracts.AssertValue(paramsJson);
if (!TryParseParams(paramsJson, out SignatureHelpParams signatureHelpParams))
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.ParseError));
return;
}
var documentUri = signatureHelpParams.TextDocument.Uri;
var scope = _scopeFactory.GetOrCreateInstance(documentUri);
var uri = new Uri(documentUri);
var expression = HttpUtility.ParseQueryString(uri.Query).Get("expression");
if (expression == null)
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.InvalidParams));
return;
}
var cursorPosition = GetPosition(expression, signatureHelpParams.Position.Line, signatureHelpParams.Position.Character);
var result = scope.Suggest(expression, cursorPosition);
_sendToClient(JsonRpcHelper.CreateSuccessResult(id, result.SignatureHelp));
}
private void HandleInitialFixupRequest(string id, string paramsJson)
{
if (id == null)
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.InvalidRequest));
return;
}
Contracts.AssertValue(id);
Contracts.AssertValue(paramsJson);
if (!TryParseParams(paramsJson, out InitialFixupParams initialFixupParams))
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.ParseError));
return;
}
var documentUri = initialFixupParams.TextDocument.Uri;
var scope = _scopeFactory.GetOrCreateInstance(documentUri);
var expression = initialFixupParams.TextDocument.Text;
var scopeDisplayName = scope as IPowerFxScopeDisplayName;
if (scopeDisplayName != null)
{
expression = scopeDisplayName.TranslateToDisplayName(expression);
}
_sendToClient(JsonRpcHelper.CreateSuccessResult(id, new TextDocumentItem()
{
Uri = documentUri,
Text = expression
}));
}
private void HandleCompletionRequest(string id, string paramsJson)
{
if (id == null)
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.InvalidRequest));
return;
}
Contracts.AssertValue(id);
Contracts.AssertValue(paramsJson);
if (!TryParseParams(paramsJson, out CompletionParams completionParams))
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.ParseError));
return;
}
var documentUri = completionParams.TextDocument.Uri;
var scope = _scopeFactory.GetOrCreateInstance(documentUri);
var uri = new Uri(documentUri);
var expression = HttpUtility.ParseQueryString(uri.Query).Get("expression");
if (expression == null)
{
_sendToClient(JsonRpcHelper.CreateErrorResult(id, JsonRpcHelper.ErrorCode.InvalidParams));
return;
}
var cursorPosition = GetPosition(expression, completionParams.Position.Line, completionParams.Position.Character);
var result = scope.Suggest(expression, cursorPosition);
var items = new List <CompletionItem>();
foreach (var item in result.Suggestions)
{
items.Add(new CompletionItem()
{
Label = item.DisplayText.Text,
Detail = item.FunctionParameterDescription,
Documentation = item.Definition,
Kind = GetCompletionItemKind(item.Kind)
});
}
_sendToClient(JsonRpcHelper.CreateSuccessResult(id, new
{
items,
isIncomplete = false
}));
}
