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/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <map>
#include <set>
#include <variant>
#include "enum_def.h"
#include "field_list.h"
#include "fields/all_fields.h"
#include "fields/packet_field.h"
#include "parse_location.h"
#include "type_def.h"
class ParentDef : public TypeDef {
public:
ParentDef(std::string name, FieldList fields);
ParentDef(std::string name, FieldList fields, ParentDef* parent);
void AddParentConstraint(std::string field_name, std::variant<int64_t, std::string> value);
void AddTestCase(std::string packet_bytes);
// Assign all size fields to their corresponding variable length fields.
// Will crash if
// - there aren't any fields that don't match up to a field.
// - the size field points to a fixed size field.
// - if the size field comes after the variable length field.
void AssignSizeFields();
void SetEndianness(bool is_little_endian);
// Get the size. You scan specify without_payload to exclude payload and body fields as children override them.
Size GetSize(bool without_payload = false) const;
// Get the offset until the field is reached, if there is no field
// returns an empty Size. from_end requests the offset to the field
// starting from the end() iterator. If there is a field with an unknown
// size along the traversal, then an empty size is returned.
Size GetOffsetForField(std::string field_name, bool from_end = false) const;
FieldList GetParamList() const;
void GenMembers(std::ostream& s) const;
void GenSize(std::ostream& s) const;
void GenSerialize(std::ostream& s) const;
void GenInstanceOf(std::ostream& s) const;
const ParentDef* GetRootDef() const;
bool HasAncestorNamed(std::string name) const;
std::map<std::string, std::variant<int64_t, std::string>> GetAllConstraints() const;
std::vector<const ParentDef*> GetAncestors() const;
std::string FindConstraintField() const;
std::map<const ParentDef*, const std::variant<int64_t, std::string>>
FindDescendantsWithConstraint(std::string constraint_name) const;
std::vector<const ParentDef*> FindPathToDescendant(std::string descendant) const;
FieldList fields_;
ParentDef* parent_{nullptr};
ParentDef* complement_{nullptr};
std::vector<ParentDef*> children_;
std::set<std::string> test_cases_;
std::map<std::string, std::variant<int64_t, std::string>> parent_constraints_;
bool is_little_endian_;
bool HasChildEnums() const;
void GenRustWriteToFields(std::ostream& s) const;
void GenSizeRetVal(std::ostream& s) const;
void GenRustConformanceCheck(std::ostream& s) const;
};
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