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/*
* Copyright (C) 2016 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 METHOD_H_
#define METHOD_H_
#include <android-base/macros.h>
#include <functional>
#include <hidl-util/Formatter.h>
#include <map>
#include <set>
#include <string>
#include <vector>
namespace android {
struct Annotation;
struct Formatter;
struct ScalarType;
struct Type;
struct TypedVar;
struct TypedVarVector;
enum MethodImplType {
IMPL_HEADER,
IMPL_PROXY,
IMPL_STUB
};
using MethodImpl = std::map<MethodImplType, std::function<void(Formatter &)>>;
struct Method {
Method(const char *name,
std::vector<TypedVar *> *args,
std::vector<TypedVar *> *results,
bool oneway,
std::vector<Annotation *> *annotations);
Method(const char *name,
std::vector<TypedVar *> *args,
std::vector<TypedVar *> *results,
bool oneway,
std::vector<Annotation *> *annotations,
size_t serial,
MethodImpl cppImpl,
MethodImpl javaImpl);
std::string name() const;
const std::vector<TypedVar *> &args() const;
const std::vector<TypedVar *> &results() const;
bool isOneway() const { return mOneway; }
bool overridesCppImpl(MethodImplType type) const;
bool overridesJavaImpl(MethodImplType type) const;
void cppImpl(MethodImplType type, Formatter &out) const;
void javaImpl(MethodImplType type, Formatter &out) const;
bool isHidlReserved() const { return mIsHidlReserved; }
const std::vector<Annotation *> &annotations() const;
void setSerialId(size_t serial);
size_t getSerialId() const;
void generateCppSignature(Formatter &out,
const std::string &className = "",
bool specifyNamespaces = true) const;
static std::string GetArgSignature(const std::vector<TypedVar *> &args,
bool specifyNamespaces);
static std::string GetJavaArgSignature(const std::vector<TypedVar *> &args);
const TypedVar* canElideCallback() const;
void dumpAnnotations(Formatter &out) const;
bool isJavaCompatible() const;
private:
std::string mName;
size_t mSerial = 0;
std::vector<TypedVar *> *mArgs;
std::vector<TypedVar *> *mResults;
bool mOneway;
std::vector<Annotation *> *mAnnotations;
bool mIsHidlReserved = false;
// The following fields have no meaning if mIsHidlReserved is false.
// hard-coded implementation for HIDL reserved methods.
MethodImpl mCppImpl;
MethodImpl mJavaImpl;
DISALLOW_COPY_AND_ASSIGN(Method);
};
struct TypedVar {
TypedVar(const char *name, Type *type);
std::string name() const;
const Type &type() const;
bool isJavaCompatible() const;
private:
std::string mName;
Type *mType;
DISALLOW_COPY_AND_ASSIGN(TypedVar);
};
struct TypedVarVector : public std::vector<TypedVar *> {
TypedVarVector() = default;
bool add(TypedVar *v);
private:
std::set<std::string> mNames;
};
} // namespace android
#endif // METHOD_H_