// issues related to gltf2 schema parsing:
// https://github.com/RSuter/NJsonSchema
// https://github.com/RSuter/NJsonSchema/issues/378
// https://github.com/RSuter/NJsonSchema/issues/377
#region API
public static SchemaType.Context Generate(NJsonSchema.CodeGeneration.CSharp.CSharpTypeResolver types)
{
var context = new SchemaType.Context();
foreach (var t in types.Types.Keys)
{
context._UseType(t);
}
return(context);
}
public abstract void PrepareTypes(CodeGen.CSharpEmitter newEmitter, SchemaReflection.SchemaType.Context ctx);
private static SchemaType _UseType(this SchemaType.Context ctx, JSONSCHEMA schema, bool isRequired = true)
{
if (ctx == null)
{
throw new ArgumentNullException(nameof(ctx));
}
if (schema == null)
{
throw new ArgumentNullException(nameof(schema));
}
if (schema is NJsonSchema.JsonSchemaProperty prop)
{
// System.Diagnostics.Debug.Assert(prop.Name != "scene");
isRequired &= prop.IsRequired;
}
if (_IsStringType(schema))
{
return(ctx.UseString());
}
if (_IsBlittableType(schema))
{
bool isNullable = !isRequired;
if (schema.Type == NJsonSchema.JsonObjectType.Integer)
{
return(ctx.UseBlittable(typeof(Int32).GetTypeInfo(), isNullable));
}
if (schema.Type == NJsonSchema.JsonObjectType.Number)
{
return(ctx.UseBlittable(typeof(Double).GetTypeInfo(), isNullable));
}
if (schema.Type == NJsonSchema.JsonObjectType.Boolean)
{
return(ctx.UseBlittable(typeof(Boolean).GetTypeInfo(), isNullable));
}
throw new NotImplementedException();
}
if (schema.HasReference)
{
return(ctx._UseType(schema.ActualTypeSchema, isRequired)); // we could have our own ref
}
if (schema.IsArray)
{
return(ctx.UseArray(ctx._UseType(schema.Item.ActualSchema)));
}
if (_IsEnumeration(schema))
{
if (schema is NJsonSchema.JsonSchemaProperty property)
{
bool isNullable = !isRequired;
var dict = new Dictionary <string, Int64>();
foreach (var v in property.AnyOf)
{
var val = v.Enumeration.FirstOrDefault();
var key = v.Description;
if (val is String)
{
key = (string)val; val = (Int64)0;
}
if (string.IsNullOrWhiteSpace(key))
{
continue;
}
dict[key] = (Int64)val;
}
// JSon Schema AnyOf enumerations are basically anonymous, so we create
// a "shared name" with a concatenation of all the values:
var name = string.Join("-", dict.Keys.OrderBy(item => item));
var etype = ctx.UseEnum(name, isNullable);
etype.Description = schema.Description;
foreach (var kvp in dict)
{
etype.SetValue(kvp.Key, (int)kvp.Value);
}
if (dict.Values.Distinct().Count() > 1)
{
etype.UseIntegers = true;
}
return(etype);
}
throw new NotImplementedException();
}
if (_IsDictionary(schema))
{
var key = ctx.UseString();
var val = ctx._UseType(_GetDictionaryValue(schema));
return(ctx.UseDictionary(key, val));
}
if (_IsClass(schema))
{
var classDecl = ctx.UseClass(schema.Title);
classDecl.Description = schema.Description;
// process base class
if (schema.InheritedSchema != null)
{
classDecl.BaseClass = ctx._UseType(schema.InheritedSchema) as ClassType;
}
// filter declared properties
var keys = _GetProperyNames(schema);
if (schema.InheritedSchema != null) // filter our parent properties
{
var baseKeys = _GetInheritedPropertyNames(schema).ToArray();
keys = keys.Except(baseKeys).ToArray();
}
// process declared properties
var props = keys.Select(key => schema.Properties.Values.FirstOrDefault(item => item.Name == key));
var required = schema.RequiredProperties;
// System.Diagnostics.Debug.Assert(schema.Title != "Buffer View");
foreach (var p in props)
{
var field = classDecl.UseField(p.Name);
field.Description = p.Description;
field.FieldType = ctx._UseType(p, required.Contains(p.Name));
field.MinimumValue = p.Minimum;
field.MaximumValue = p.Maximum;
field.DefaultValue = p.Default;
field.MinItems = p.MinItems;
field.MaxItems = p.MaxItems;
}
return(classDecl);
}
if (schema.Type == NJsonSchema.JsonObjectType.Object)
{
return(ctx.UseAnyType());
}
if (schema.Type == NJsonSchema.JsonObjectType.None)
{
return(ctx.UseAnyType());
}
throw new NotImplementedException();
}
