using Namotion.Reflection; using NJsonSchema.Annotations; using System; using System.Collections; using System.Linq; using System.Reflection; using System.Runtime.CompilerServices; namespace NJsonSchema.Generation { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public abstract class ReflectionServiceBase<[System.Runtime.CompilerServices.Nullable(0)] TSettings> : IReflectionService where TSettings : JsonSchemaGeneratorSettings { [return: System.Runtime.CompilerServices.Nullable(new byte[] { 1, 1, 2 })] public abstract Func<object, string> GetEnumValueConverter(TSettings settings); public abstract void GenerateProperties(JsonSchema schema, ContextualType contextualType, TSettings settings, JsonSchemaGenerator schemaGenerator, JsonSchemaResolver schemaResolver); public abstract string GetPropertyName(ContextualAccessorInfo accessorInfo, JsonSchemaGeneratorSettings settings); public JsonTypeDescription GetDescription(ContextualType contextualType, ReferenceTypeNullHandling defaultReferenceTypeNullHandling, TSettings settings) { Type type = contextualType.get_OriginalType(); bool isNullable = IsNullable(contextualType, defaultReferenceTypeNullHandling); JsonSchemaTypeAttribute contextOrTypeAttribute = AttributeExtensions.GetContextOrTypeAttribute<JsonSchemaTypeAttribute>(contextualType, true); if (contextOrTypeAttribute != null) { type = contextOrTypeAttribute.Type; contextualType = ContextualTypeExtensions.ToContextualType(type); if (contextOrTypeAttribute.IsNullableRaw.HasValue) isNullable = contextOrTypeAttribute.IsNullableRaw.Value; } JsonSchemaAttribute contextOrTypeAttribute2 = AttributeExtensions.GetContextOrTypeAttribute<JsonSchemaAttribute>(contextualType, true); if (contextOrTypeAttribute2 != null) { JsonObjectType jsonType = (contextOrTypeAttribute2.Type != 0) ? contextOrTypeAttribute2.Type : JsonObjectType.Object; string format = (!string.IsNullOrEmpty(contextOrTypeAttribute2.Format)) ? contextOrTypeAttribute2.Format : null; return JsonTypeDescription.Create(contextualType, jsonType, isNullable, format); } return GetDescription(contextualType, settings, type, isNullable, defaultReferenceTypeNullHandling); } protected virtual JsonTypeDescription GetDescription(ContextualType contextualType, TSettings settings, Type originalType, bool isNullable, ReferenceTypeNullHandling defaultReferenceTypeNullHandling) { if (originalType.IsEnum) return JsonTypeDescription.CreateForEnumeration(contextualType, IsStringEnum(contextualType, settings) ? JsonObjectType.String : JsonObjectType.Integer, false); if (originalType == typeof(short) || originalType == typeof(uint) || originalType == typeof(ushort)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Integer, false, null); if (originalType == typeof(int)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Integer, false, "int32"); if (originalType == typeof(long)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Integer, false, "int64"); if (originalType == typeof(ulong)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Integer, false, "uint64"); if (originalType == typeof(double)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Number, false, "double"); if (originalType == typeof(float)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Number, false, "float"); if (originalType == typeof(decimal)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Number, false, "decimal"); if (originalType == typeof(bool)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Boolean, false, null); if (originalType == typeof(string) || originalType == typeof(Type)) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, isNullable, null); if (originalType == typeof(char)) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, null); if (originalType == typeof(Guid)) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, "guid"); if (originalType == typeof(DateTime) || originalType == typeof(DateTimeOffset) || originalType.FullName == "NodaTime.OffsetDateTime" || originalType.FullName == "NodaTime.LocalDateTime" || originalType.FullName == "NodaTime.ZonedDateTime" || originalType.FullName == "NodaTime.Instant") return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, "date-time"); if (originalType == typeof(TimeSpan) || originalType.FullName == "NodaTime.Duration") return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, "duration"); string fullName = originalType.FullName; if ((fullName == "NodaTime.LocalDate" || fullName == "System.DateOnly") ? true : false) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, "date"); fullName = originalType.FullName; if ((fullName == "NodaTime.LocalTime" || fullName == "System.TimeOnly") ? true : false) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, false, "time"); if (originalType == typeof(Uri)) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, isNullable, "uri"); if (originalType == typeof(byte)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Integer, false, "byte"); if (originalType == typeof(byte[])) return JsonTypeDescription.Create(contextualType, JsonObjectType.String, isNullable, "byte"); if (originalType.FullName == "Newtonsoft.Json.Linq.JArray") return JsonTypeDescription.Create(contextualType, JsonObjectType.Array, isNullable, null); if (originalType.FullName == "Newtonsoft.Json.Linq.JToken" || originalType.FullName == "Newtonsoft.Json.Linq.JObject" || originalType.FullName == "System.Dynamic.ExpandoObject" || originalType.FullName == "System.Text.Json.JsonElement" || originalType == typeof(object)) return JsonTypeDescription.Create(contextualType, JsonObjectType.None, isNullable, null); if (IsBinary(contextualType)) { if (settings.SchemaType == SchemaType.Swagger2) return JsonTypeDescription.Create(contextualType, JsonObjectType.File, isNullable, null); return JsonTypeDescription.Create(contextualType, JsonObjectType.String, isNullable, "binary"); } if (contextualType.get_IsNullableType()) { JsonTypeDescription description = GetDescription(contextualType.get_OriginalGenericArguments()[0], defaultReferenceTypeNullHandling, settings); description.IsNullable = true; return description; } if (IsDictionaryType(contextualType)) return JsonTypeDescription.CreateForDictionary(contextualType, JsonObjectType.Object, isNullable); if (IsIAsyncEnumerableType(contextualType) || IsArrayType(contextualType)) return JsonTypeDescription.Create(contextualType, JsonObjectType.Array, isNullable, null); return JsonTypeDescription.Create(contextualType, JsonObjectType.Object, isNullable, null); } public virtual bool IsNullable(ContextualType contextualType, ReferenceTypeNullHandling defaultReferenceTypeNullHandling) { if (EnumerableExtensions.FirstAssignableToTypeNameOrDefault<Attribute>(AttributeExtensions.GetContextAttributes(contextualType, true), "NotNullAttribute", 0) != null) return false; if (EnumerableExtensions.FirstAssignableToTypeNameOrDefault<Attribute>(AttributeExtensions.GetContextAttributes(contextualType, true), "CanBeNullAttribute", 0) != null) return true; if ((int)contextualType.get_Nullability() != 0) return (int)contextualType.get_Nullability() == 2; if (!(contextualType.get_Type() != typeof(string)) || !contextualType.get_TypeInfo().IsValueType) return defaultReferenceTypeNullHandling != ReferenceTypeNullHandling.NotNull; return false; } public virtual bool IsStringEnum(ContextualType contextualType, TSettings settings) { if (!contextualType.get_TypeInfo().IsEnum) return false; if (HasStringEnumConverter(contextualType)) return true; return false; } protected virtual bool IsBinary(ContextualType contextualType) { if (contextualType.get_Name() == "IFormFile") return true; TypeInfo typeInfo = contextualType.get_TypeInfo(); if (typeInfo.IsArray || typeInfo.IsPrimitive) return false; if (contextualType.get_Name() == "HttpPostedFile") return true; if (TypeExtensions.IsAssignableToTypeName(contextualType, "HttpPostedFileBase", 0)) return true; Type[] interfaces = typeInfo.GetInterfaces(); foreach (Type type in interfaces) { if (type.Name == "IFormFile") return true; } return false; } private static bool IsIAsyncEnumerableType(ContextualType contextualType) { return contextualType.get_Name() == "IAsyncEnumerable`1"; } protected virtual bool IsArrayType(ContextualType contextualType) { if (IsDictionaryType(contextualType)) return false; if (contextualType.get_Name() == "ObservableCollection`1") return true; if (!contextualType.get_Type().IsArray) { if (Enumerable.Contains<Type>(contextualType.get_TypeInfo().ImplementedInterfaces, typeof(IEnumerable))) { if (!(contextualType.get_TypeInfo().BaseType == (Type)null)) return !Enumerable.Contains<Type>(contextualType.get_TypeInfo().BaseType.GetTypeInfo().ImplementedInterfaces, typeof(IEnumerable)); return true; } return false; } return true; } protected virtual bool IsDictionaryType(ContextualType contextualType) { string name = contextualType.get_Name(); if ((name == "IDictionary`2" || name == "IReadOnlyDictionary`2") ? true : false) return true; if (Enumerable.Contains<Type>(contextualType.get_TypeInfo().ImplementedInterfaces, typeof(IDictionary))) { if (!(contextualType.get_TypeInfo().BaseType == (Type)null)) return !Enumerable.Contains<Type>(contextualType.get_TypeInfo().BaseType.GetTypeInfo().ImplementedInterfaces, typeof(IDictionary)); return true; } return false; } private static bool HasStringEnumConverter(ContextualType contextualType) { dynamic val = null; foreach (Attribute contextOrTypeAttribute in AttributeExtensions.GetContextOrTypeAttributes(contextualType, true)) { if (contextOrTypeAttribute.GetType().Name == "JsonConverterAttribute") { val = contextOrTypeAttribute; break; } } dynamic val2 = val != null; if ((val2 ? false : true) ? val2 : (val2 & ObjectExtensions.HasProperty(val, "ConverterType"))) { Type type = val?.ConverterType as Type; if ((object)type != null) { if (!TypeExtensions.IsAssignableToTypeName(type, "StringEnumConverter", 0)) return TypeExtensions.IsAssignableToTypeName(type, "System.Text.Json.Serialization.JsonStringEnumConverter", 1); return true; } } return false; } JsonTypeDescription IReflectionService.GetDescription(ContextualType contextualType, ReferenceTypeNullHandling defaultReferenceTypeNullHandling, JsonSchemaGeneratorSettings settings) { return GetDescription(contextualType, defaultReferenceTypeNullHandling, (TSettings)settings); } JsonTypeDescription IReflectionService.GetDescription(ContextualType contextualType, JsonSchemaGeneratorSettings settings) { return GetDescription(contextualType, settings.DefaultReferenceTypeNullHandling, (TSettings)settings); } bool IReflectionService.IsStringEnum(ContextualType contextualType, JsonSchemaGeneratorSettings settings) { return IsStringEnum(contextualType, (TSettings)settings); } [return: System.Runtime.CompilerServices.Nullable(new byte[] { 1, 1, 2 })] Func<object, string> IReflectionService.GetEnumValueConverter(JsonSchemaGeneratorSettings settings) { return GetEnumValueConverter((TSettings)settings); } void IReflectionService.GenerateProperties(JsonSchema schema, ContextualType contextualType, JsonSchemaGeneratorSettings settings, JsonSchemaGenerator schemaGenerator, JsonSchemaResolver schemaResolver) { GenerateProperties(schema, contextualType, (TSettings)settings, schemaGenerator, schemaResolver); } } }