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/*
* Copyright (C) 2015, 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.
*/
#ifndef AIDL_TYPE_CPP_H_
#define AIDL_TYPE_CPP_H_
#include <memory>
#include <string>
#include <set>
#include <vector>
#include <android-base/macros.h>
#include "type_namespace.h"
namespace android {
namespace aidl {
namespace cpp {
class Type : public ValidatableType {
public:
Type(int kind, // from ValidatableType
const std::string& package,
const std::string& aidl_type,
const std::vector<std::string>& header,
const std::string& cpp_type,
const std::string& read_method,
const std::string& write_method,
Type* array_type = nullptr,
Type* nullable_type = nullptr,
const std::string& src_file_name = "",
int line = -1);
virtual ~Type() = default;
// overrides of ValidatableType
bool CanBeOutParameter() const override { return false; }
bool CanWriteToParcel() const override;
const Type* ArrayType() const override { return array_type_.get(); }
const Type* NullableType() const override { return nullable_type_.get(); }
std::string CppType() const { return cpp_type_; }
const std::string& ReadFromParcelMethod() const {
return parcel_read_method_;
}
const std::string& WriteToParcelMethod() const {
return parcel_write_method_;
}
void GetHeaders(std::set<std::string>* headers) const {
for (const std::string& header : headers_) {
if (!header.empty()) {
headers->insert(header);
}
}
}
virtual bool IsCppPrimitive() const { return false; }
virtual std::string WriteCast(const std::string& value) const {
return value;
}
private:
// |headers| are the headers we must include to use this type
const std::vector<std::string> headers_;
// |aidl_type| is what we find in the yacc generated AST (e.g. "int").
const std::string aidl_type_;
// |cpp_type| is what we use in the generated C++ code (e.g. "int32_t").
const std::string cpp_type_;
const std::string parcel_read_method_;
const std::string parcel_write_method_;
const std::unique_ptr<Type> array_type_;
const std::unique_ptr<Type> nullable_type_;
DISALLOW_COPY_AND_ASSIGN(Type);
}; // class Type
class ArrayType : public Type {
public:
ArrayType(int kind, // from ValidatableType
const std::string& package,
const std::string& aidl_type,
const std::vector<std::string>& header,
const std::string& cpp_type,
const std::string& read_method,
const std::string& write_method,
Type* array_type = nullptr,
Type* nullable_type = nullptr,
const std::string& src_file_name = "",
int line = -1)
: Type(kind, package, aidl_type, header, cpp_type, read_method,
write_method, array_type, nullable_type, src_file_name, line) {}
bool CanBeOutParameter() const override { return true; }
virtual ~ArrayType() = default;
};
class TypeNamespace : public ::android::aidl::LanguageTypeNamespace<Type> {
public:
TypeNamespace() = default;
virtual ~TypeNamespace() = default;
void Init() override;
bool AddParcelableType(const AidlParcelable& p,
const std::string& filename) override;
bool AddBinderType(const AidlInterface& b,
const std::string& filename) override;
bool AddListType(const std::string& type_name) override;
bool AddMapType(const std::string& key_type_name,
const std::string& value_type_name) override;
bool IsValidPackage(const std::string& package) const override;
const ValidatableType* GetArgType(const AidlArgument& a,
int arg_index,
const std::string& filename,
const AidlInterface& interface) const override;
const Type* VoidType() const { return void_type_; }
const Type* IBinderType() const { return ibinder_type_; }
private:
Type* void_type_ = nullptr;
Type* string_type_ = nullptr;
Type* ibinder_type_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(TypeNamespace);
}; // class TypeNamespace
} // namespace cpp
} // namespace aidl
} // namespace android
#endif // AIDL_TYPE_NAMESPACE_CPP_H_
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