private CodeTypeDeclaration GenerateClass()
{
if (!context.ContainsKey(schema))
{
context.Add(schema, new GenerationResult()
{
TypeName = targetClass.Name,
Type = MyTypeBuilder.CreateType(targetClass.Name),
ClassGenerator = this
});
}
if (schema.Enum?.Count > 0)
{
return(GenerateClassFromEnumSchema());
}
if (schema.Type?.Value is SimpleType && (schema.Type.Value as SimpleType).Value != SimpleType.Object)
{
var schemaType = schema.Type.Value as SimpleType;
if (schemaType.Value == SimpleType.Integer)
{
return(GenerateClassFromIntegerSchema());
}
if (schemaType.Value == SimpleType.Number)
{
return(GenerateClassFromNumberSchema());
}
if (schemaType.Value == SimpleType.String)
{
return(GenerateClassFromStringSchema());
}
if (schemaType.Value == SimpleType.Array)
{
return(GenerateClassFromArraySchema());
}
}
var definitions = schema.Definitions;
if (definitions != null)
{
foreach (string definitionName in schema.Definitions.Keys)
{
var definition = definitions[definitionName];
if (!context.ContainsKey(definition))
{
var nestedClassGenerator = new ClassGeneratorFromJsonSchema(definition, context);
context[definition] = new GenerationResult()
{
Type = MyTypeBuilder.CreateType(nestedClassGenerator.targetClass.Name),
TypeName = nestedClassGenerator.targetClass.Name,
ClassGenerator = nestedClassGenerator
};
nestedClassGenerator.GenerateClass();
}
//context.Add(definition, new GenerationResult() { TypeName = nestedClassGenerator.targetClass.Name });
}
}
var properties = schema.Properties;
var additionalProperties = schema.AdditionalProperties;
//Oneof/AnyOf/AllOf are only supported when there are no properties or additionalProperties and when the schema type is not a primitive type or array type
if (properties == null && additionalProperties == null)
{
if (schema.OneOf != null && schema.OneOf.Count > 0)
{
return(GenerateClassFromOneOfAnyOfSchema(true));
}
if (schema.AnyOf != null && schema.AnyOf.Count > 0)
{
return(GenerateClassFromOneOfAnyOfSchema(false));
}
if (schema.AllOf != null && schema.AllOf.Count > 0)
{
var mergedSchema = JSONSchema.MergeSchemas(schema.AllOf);
var mergedClassGenerator = new ClassGeneratorFromJsonSchema(mergedSchema, this.targetClass.Name);
targetClass = mergedClassGenerator.GenerateClass();
context[schema] = mergedClassGenerator.context[mergedSchema];
foreach (var jsonSchema in mergedClassGenerator.context.Keys)
{
if (jsonSchema != mergedSchema)
{
context[jsonSchema] = mergedClassGenerator.context[jsonSchema];
}
}
return(targetClass);
}
}
if (properties != null)
{
foreach (string propertyName in properties.Keys)
{
var cleanPropertyName = Clean(propertyName);
if (propertyNames.Contains(cleanPropertyName))
{
//to avoid property names that would collide
continue;
}
propertyNames.Add(cleanPropertyName);
var property = properties[propertyName];
if (context.ContainsKey(property))
{
targetClass.AddProperty(cleanPropertyName, context[property].TypeName);
}
else if (property.Type?.GetUnderlyingType() == typeof(SimpleType) &&
(property.Type.Value as SimpleType).Value != SimpleType.Object &&
(property.Type.Value as SimpleType).Value != SimpleType.Array &&
(property.Enum == null || property.Enum.Count < 1)
)
{
targetClass.AddProperty(cleanPropertyName, ComputeType((SimpleType)property.Type.GetValue()));
}
else
{
var nestedClassGenerator = new ClassGeneratorFromJsonSchema(property, context, cleanPropertyName);
context[property] = new GenerationResult()
{
Type = MyTypeBuilder.CreateType(nestedClassGenerator.targetClass.Name),
TypeName = nestedClassGenerator.targetClass.Name,
ClassGenerator = nestedClassGenerator
};
nestedClassGenerator.GenerateClass();
targetClass.AddProperty(cleanPropertyName, context[property].Type);
}
}
}
if (additionalProperties != null)
{
if (additionalProperties.Value is bool)
{
if ((bool)additionalProperties.Value == true)
{
targetClass.BaseTypes.Add(new CodeTypeReference(typeof(Dictionary <string, object>)));
}
}
else
{
var additionalPropertiesSchema = additionalProperties.Value as JSONSchema;
if (!context.ContainsKey(additionalPropertiesSchema))
{
var nestedClassGenerator = new ClassGeneratorFromJsonSchema(additionalPropertiesSchema, context, context[schema].TypeName + "AdditionalProperties");
context[additionalPropertiesSchema] = new GenerationResult()
{
Type = MyTypeBuilder.CreateType(nestedClassGenerator.targetClass.Name),
TypeName = nestedClassGenerator.targetClass.Name,
ClassGenerator = nestedClassGenerator
};
nestedClassGenerator.GenerateClass();
}
targetClass.BaseTypes.Add(new CodeTypeReference("Dictionary", new CodeTypeReference(typeof(string)), new CodeTypeReference(context[additionalPropertiesSchema].Type)));
context[schema].Imports.Add("System.Collections.Generic");
}
}
return(targetClass);
}
private CodeTypeDeclaration GenerateClassFromOneOfAnyOfSchema(bool handleOneOf)
{
ISet <string> subSchemasSet = new HashSet <string>();
int index = 0;
var schemaArray = handleOneOf ? schema.OneOf : schema.AnyOf;
foreach (JSONSchema subSchema in schemaArray)
{
if (context.ContainsKey(subSchema))
{
subSchemasSet.Add(context[subSchema].TypeName);
}
else if (subSchema.Type?.GetUnderlyingType() == typeof(SimpleType) &&
(subSchema.Type.Value as SimpleType).Value != SimpleType.Object &&
(subSchema.Type.Value as SimpleType).Value != SimpleType.Array
)
{
subSchemasSet.Add(ComputeType((SimpleType)subSchema.Type.GetValue()).Name);
}
else
{
var nestedClassGenerator = new ClassGeneratorFromJsonSchema(subSchema, context, string.Concat(targetClass.Name, handleOneOf?"OneOf":"AnyOf", index));
context[subSchema] = new GenerationResult()
{
Type = MyTypeBuilder.CreateType(nestedClassGenerator.targetClass.Name),
TypeName = nestedClassGenerator.targetClass.Name,
ClassGenerator = nestedClassGenerator
};
nestedClassGenerator.GenerateClass();
subSchemasSet.Add(nestedClassGenerator.targetClass.Name);
}
index++;
}
targetClass = new CodeTypeDeclaration(targetClass.Name)
{
IsClass = true,
TypeAttributes = TypeAttributes.Public
};
var field = new CodeMemberField()
{
Attributes = MemberAttributes.Private | MemberAttributes.Final,
Name = "Value",
Type = new CodeTypeReference(typeof(object))
};
targetClass.Members.Add(field);
CodeConstructor constructor = new CodeConstructor
{
Attributes = MemberAttributes.Private
};
constructor.Comments.Add(new CodeCommentStatement("Hiding visiblity of default constructor"));
targetClass.Members.Add(constructor);
CodeStatement[] codeStatements = new CodeStatement[subSchemasSet.Count + 1];
index = 0;
foreach (string subSchemaName in subSchemasSet)
{
codeStatements[index] = If(NewSnippet("value is " + subSchemaName), new CodeAssignStatement(new CodeVariableReferenceExpression("Value"), new CodeVariableReferenceExpression("value")));
index++;
}
codeStatements[index] = Throw(typeof(ArgumentException), "Value's type is not correct");
CodeConstructor publicConstructor = NewPublicConstructor(
Array(NewParameter(typeof(object), "value")),
codeStatements
);
targetClass.Members.Add(publicConstructor);
foreach (string subSchemaName in subSchemasSet)
{
var implicitOperator = new CodeSnippetTypeMember(string.Format("\t\tpublic static implicit operator {0}({1} d) => ({0})d.Value;", subSchemaName, targetClass.Name));
targetClass.Members.Add(implicitOperator);
var explicitOperator = new CodeSnippetTypeMember(string.Format("\t\tpublic static explicit operator {0}({1} v) => new {0}(v);", targetClass.Name, subSchemaName));
targetClass.Members.Add(explicitOperator);
}
return(targetClass);
}
