private static string GenerateNvimUIEventArgs(
IEnumerable <NvimUIEvent> uiEvents) =>
string.Join("", uiEvents.Where(uiEvent => uiEvent.Parameters.Any())
.Select(uiEvent =>
{
var eventName = StringUtil.ConvertToCamelCase(uiEvent.Name, true);
return($@"
public class {eventName}EventArgs : EventArgs
{{
{
string.Join("", uiEvent.Parameters.Select(param => {
var type = NvimTypesMap.GetCSharpType(param.Type);
var paramName = StringUtil.ConvertToCamelCase(param.Name, true);
return $" public {type} {paramName} {{ get; set; }}\n";
}))
}
}}");
}));
/// <summary>
/// Allows the types and attributes of plugin export parameters
/// to be enumerated and simultaneously validated.
/// </summary>
/// <param name="typeVisitors">
/// A dictionary of handlers for the parameter types.
/// </param>
/// <param name="attributeVisitors">
/// A dictionary of handlers for the parameter attributes.
/// </param>
protected void VisitParameters(
IReadOnlyDictionary <Type, Action <int> > typeVisitors,
IReadOnlyDictionary <Type, Action <int, object> > attributeVisitors)
{
foreach (var param in Method.GetParameters()
.Select((param, index) =>
new
{
Index = index,
Type = param.ParameterType,
Attributes = param.GetCustomAttributes()
}))
{
var isValidAPIType = NvimTypesMap.IsValidType(param.Type);
var isValidPluginType =
typeVisitors.TryGetValue(param.Type, out var visitor);
if (!isValidAPIType && !isValidPluginType)
{
throw new Exception(
$"Plugin export has invalid parameter type \"{param.Type.Name}\"");
}
if (visitor != null
// If there is not a visitor for the specific type,
// try to use the "object" visitor as a default
|| typeVisitors.TryGetValue(typeof(object), out visitor))
{
visitor(param.Index);
}
foreach (var attribute in param.Attributes)
{
if (attributeVisitors.TryGetValue(attribute.GetType(),
out var attributeVisitor))
{
attributeVisitor(param.Index, attribute);
}
}
}
}
private static string GenerateNvimUIEventCalls(
IEnumerable <NvimUIEvent> uiEvents) =>
string.Join("", uiEvents.Select(uiEvent =>
{
var camelCaseName = StringUtil.ConvertToCamelCase(uiEvent.Name, true);
var eventArgs = uiEvent.Parameters.Any()
? $@"new {camelCaseName}EventArgs
{{
{
string.Join(",\n", uiEvent.Parameters.Select((param, index) =>
{
var name = StringUtil.ConvertToCamelCase(param.Name, true);
var type = NvimTypesMap.GetCSharpType(param.Type);
return $@" {name} = ({type}) args[{index}]";
}))
}
}}"
: "EventArgs.Empty";
return($@"
case ""{uiEvent.Name}"":
{camelCaseName}?.Invoke(this, {eventArgs});
break;
");
}));
public void TestCSharpTypeConversion(string nvimType, string csharpType)
{
Assert.AreEqual(csharpType, NvimTypesMap.GetCSharpType(nvimType));
}
public void TestNvimTypeValidation(Type type, bool shouldBeValid)
{
Assert.AreEqual(shouldBeValid, NvimTypesMap.IsValidType(type));
}
private static string GenerateNvimMethods(
IEnumerable <NvimFunction> functions, string prefixToRemove,
bool isVirtualMethod) =>
string.Join("", functions.Select(function =>
{
if (!function.Name.StartsWith(prefixToRemove))
{
throw new Exception(
$"Function {function.Name} does not "
+ $"have expected prefix \"{prefixToRemove}\"");
}
FunctionDoc doc = null;
_functionDocs?.TryGetValue(function.Name, out doc);
var camelCaseName =
StringUtil.ConvertToCamelCase(
function.Name.Substring(prefixToRemove.Length), true);
var sendAccess = function.Method ? "_api." : string.Empty;
var returnType = NvimTypesMap.GetCSharpType(function.ReturnType);
var genericTypeParam =
returnType == "void" ? string.Empty : $"<{returnType}>";
var parameters =
(isVirtualMethod ? function.Parameters.Skip(1) : function.Parameters)
.Select(param =>
new
{
param.Type,
// Prefix every parameter name with the verbatim identifier `@`
// to prevent them from being interpreted as keywords.
// In the future, it might be worth considering adding a list
// of all C# keywords and only adding the prefix to parameter
// names that are in the list.
Name = "@" + StringUtil.ConvertToCamelCase(param.Name, false)
}).ToArray();
return($@"{string.Join(string.Empty,
GetDocElement("summary", doc?.Summary).Concat(
doc?.Parameters
.Where(param =>
function.Parameters.Any(p => p.Name == param.Name)
&& (!isVirtualMethod
|| param.Name != function.Parameters.First().Name))
.SelectMany(param =>
GetDocElement("param", param.Description,
$@"name=""{
StringUtil.ConvertToCamelCase(param.Name, false)}"""))
?? Enumerable.Empty<string>()).Concat(
GetDocElement("returns", doc?.Return)).Concat(
GetDocElement("remarks", doc?.Notes)).Select(docLine => $@"
/// {docLine}"))}
public Task{genericTypeParam} {camelCaseName}({string.Join(", ",
parameters.Select(param =>
$"{NvimTypesMap.GetCSharpType(param.Type)} {param.Name}"))}) =>
{sendAccess}SendAndReceive{genericTypeParam}(new NvimRequest
{{
Method = ""{function.Name}"",
Arguments = GetRequestArguments(
{string.Join(", ",
(isVirtualMethod ? new[] {"_msgPackExtObj"} : Enumerable.Empty<string>())
.Concat(parameters.Select(param => param.Name)))})
}});
");
}));
