protected string Generate()
{
var resultBuilder = new StringBuilder();
var graph = new QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> >(false);
graph.AddVertexRange(_types);
var typeDefinitions = new Dictionary <Type, String>();
resultBuilder.AppendLine(this._options.NamespaceDefinitionExpression(this._options.NamespaceVarName));
resultBuilder.AppendLine();
GenerateTypeDefinitions(this._options.NamespaceVarName, graph, typeDefinitions);
foreach (var type in graph.TopologicalSort().Reverse())
{
string definition;
if (typeDefinitions.TryGetValue(type, out definition))
{
resultBuilder.Append(definition);
}
else if (false == type.Assembly.Equals(Assembly.GetAssembly(typeof(string))))
{
resultBuilder.AppendLine("// unknown: " + type.Name + Environment.NewLine);
}
}
return(resultBuilder.ToString());
}
protected void GenerateTypeDefinition(string closureNamespaceVar, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph, Dictionary <Type, string> typeDefinitions, Type type)
{
if (type.IsClass)
{
var typeResultBuilder = GenerateClassDefinition(type, graph);
typeDefinitions.Add(type, typeResultBuilder.ToString());
}
if (type.IsEnum)
{
var typeResultBuilder = GenerateEnumDefinition(type, graph);
typeDefinitions.Add(type, typeResultBuilder.ToString());
}
}
protected StringBuilder GenerateEnumDefinition(Type type, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph)
{
Console.Error.WriteLine("Generating Enum: " + type.Name);
var typeResultBuilder = new StringBuilder();
AppendTypeComment(typeResultBuilder, type);
typeResultBuilder.AppendLine("/** @enum {string} */");
typeResultBuilder.AppendLine(GetFullTypeName(type) + " = {");
foreach (var pair in WithIsLast(Enum.GetNames(type)))
{
typeResultBuilder.AppendFormat(" {0}: '{0}'{1}{2}", pair.Item1, pair.Item2 ? String.Empty : ",", Environment.NewLine);
}
typeResultBuilder.AppendLine("};");
typeResultBuilder.AppendLine();
return(typeResultBuilder);
}
protected string GetJSTypeName(Type sourceType, Type propertyType, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph)
{
if (propertyType.IsGenericParameter)
{
return(propertyType.Name);
}
var overrideTypeName = this._options.TryGetTypeName(propertyType);
if (String.IsNullOrWhiteSpace(overrideTypeName))
{
if (propertyType.IsGenericType)
{
if (IsGenericTypeNullable(propertyType))
{
return("?" + GetJSTypeName(sourceType, Nullable.GetUnderlyingType(propertyType), graph));
}
var dictionaryType = propertyType.GetInterfaces().SingleOrDefault(x => x.IsGenericType && x.GetGenericTypeDefinition().Equals(typeof(IDictionary <,>)));
if (null != dictionaryType)
{
var typeArgs = dictionaryType.GetGenericArguments().ToArray();
var keyType = typeArgs[0];
var valueType = typeArgs[1];
return(GetJSObjectTypeName(sourceType, keyType, valueType, graph));
}
var enumerableType = propertyType.GetInterfaces().SingleOrDefault(x => x.IsGenericType && x.GetGenericTypeDefinition().Equals(typeof(IEnumerable <>)));
if (null != enumerableType)
{
return(GetJSArrayTypeName(sourceType, enumerableType.GetGenericArguments().Single(), graph));
}
}
if (propertyType.IsArray)
{
var elementType = propertyType.GetElementType();
return(GetJSArrayTypeName(sourceType, elementType, graph));
}
}
graph.AddVertex(propertyType);
graph.AddVertex(sourceType);
if (InAllowedAssemblies(propertyType))
{
graph.AddEdge(new QuickGraph.Edge <Type>(sourceType, propertyType));
return(this.GetFullTypeName(propertyType));
}
return(overrideTypeName ?? GetTypeName(propertyType));
}
protected StringBuilder GenerateClassDefinition(Type type, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph)
{
Console.Error.WriteLine("Generating Class: " + type.Name);
var typeResultBuilder = new StringBuilder();
var className = this.GetFullTypeName(type);
AppendTypeComment(typeResultBuilder, type);
typeResultBuilder.AppendLine("/** @constructor");
if (type.IsGenericTypeDefinition)
{
typeResultBuilder.AppendLine(" * @template " +
String.Join(", ", type.GetGenericArguments().Select(x => x.Name)));
}
foreach (var annotation in this._options.ConstructorAnnotations(className))
{
typeResultBuilder.AppendLine(" * " + annotation);
}
typeResultBuilder.AppendLine(" */");
typeResultBuilder.AppendLine(className + " = " + this._options.ConstructorExpression(className) + ";");
var properties = type.GetProperties();
foreach (var propertyPair in WithIsLast(properties))
{
var property = propertyPair.Item1;
var isLast = propertyPair.Item2;
string propertyName = this.GetPropertyName(type, property.Name);
var mappedType = MapType(property.PropertyType);
var jsTypeName = GetJSTypeName(type, mappedType, graph);
typeResultBuilder.AppendLine(String.Format("/** @type {{{0}}} */", jsTypeName));
typeResultBuilder.AppendLine(String.Format("{0}.prototype.{1} = {2};", className, propertyName, GetDefaultJSValue(mappedType)));
}
typeResultBuilder.AppendLine();
return(typeResultBuilder);
}
protected void GenerateTypeDefinitions(string closureNamespaceVar, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph, Dictionary <Type, string> typeDefinitions)
{
// Every time we generate a type, we may find new type dependencies and they will be added to the graph.
// We keep generating types as long as the graph contains items that were not generated.
var processedTypes = new HashSet <Type>();
while (true)
{
var unprocessedTypes = graph.Vertices.Except(processedTypes).ToArray();
if (false == unprocessedTypes.Any())
{
break;
}
foreach (var type in unprocessedTypes)
{
processedTypes.Add(type);
if (false == InAllowedAssemblies(type))
{
continue;
}
GenerateTypeDefinition(closureNamespaceVar, graph, typeDefinitions, type);
}
}
}
private string GetJSObjectTypeName(Type sourceType, Type keyType, Type valueType, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph)
{
return("Object.<" + GetJSTypeName(sourceType, keyType, graph) + ", " + GetJSTypeName(sourceType, valueType, graph) + ">");
}
private string GetJSArrayTypeName(Type sourceType, Type propertyType, QuickGraph.AdjacencyGraph <Type, QuickGraph.Edge <Type> > graph)
{
return("Array.<" + GetJSTypeName(sourceType, propertyType, graph) + ">");
}