/usr/include/root/Reflex/PluginService.h is in libroot-core-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Pere Mato 2006
// Copyright CERN, CH-1211 Geneva 23, 2004-2006, All rights reserved.
//
// Permission to use, copy, modify, and distribute this software for any
// purpose is hereby granted without fee, provided that this copyright and
// permissions notice appear in all copies and derivatives.
//
// This software is provided "as is" without express or implied warranty.
#ifndef Reflex_PluginService
#define Reflex_PluginService
#include "Reflex/Builder/NamespaceBuilder.h"
#include "Reflex/Builder/FunctionBuilder.h"
#include "Reflex/ValueObject.h"
#include "Reflex/Tools.h"
#include <string>
#include <sstream>
#define PLUGINSVC_FACTORY_NS "__pf__"
namespace Reflex {
class PluginFactoryMap;
/**
* @class PluginService PluginService.h PluginService/PluginService.h
* @author Pere Mato
* @date 01/09/2006
* @ingroup Ref
*/
class RFLX_API PluginService {
private:
PluginService(const PluginService&); // not implemented
PluginService& operator=(const PluginService&); // not implemented
public:
template <typename R>
static R
Create(const std::string& name) {
return (R) Create(name, GetType<R>(), std::vector<ValueObject>());
}
template <typename R, typename A0>
static R
Create(const std::string& name,
const A0& a0) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0)));
}
template <typename R, typename A0, typename A1>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1)));
}
template <typename R, typename A0, typename A1, typename A2>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2)));
}
template <typename R, typename A0, typename A1, typename A2, typename A3>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2),
ValueObject::Create(a3)));
}
template <typename R, typename A0, typename A1, typename A2, typename A3,
typename A4>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3,
const A4& a4) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2),
ValueObject::Create(a3),
ValueObject::Create(a4)));
}
template <typename R, typename A0, typename A1, typename A2, typename A3,
typename A4, typename A5>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3,
const A4& a4,
const A5& a5) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2),
ValueObject::Create(a3),
ValueObject::Create(a4),
ValueObject::Create(a5)));
}
template <typename R, typename A0, typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3,
const A4& a4,
const A5& a5,
const A6& a6) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2),
ValueObject::Create(a3),
ValueObject::Create(a4),
ValueObject::Create(a5),
ValueObject::Create(a6)));
}
template <typename R, typename A0, typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6, typename A7>
static R
Create(const std::string& name,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3,
const A4& a4,
const A5& a5,
const A6& a6,
const A7& a7) {
return (R) Create(name, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0),
ValueObject::Create(a1),
ValueObject::Create(a2),
ValueObject::Create(a3),
ValueObject::Create(a4),
ValueObject::Create(a5),
ValueObject::Create(a6),
ValueObject::Create(a7)));
}
static void* Create(const std::string& name,
const Type& ret,
const std::vector<ValueObject>& arg);
template <typename T>
static bool
CompareId(const Any& id1,
const Any& id2) {
try { return id1.TypeInfo() == id2.TypeInfo() &&
any_cast<T>(id1) == any_cast<T>(id2); }
catch (const BadAnyCast&) { return false; }
}
template <typename T> static std::string
StringId(const Any& id) {
std::stringstream s;
try { s << any_cast<T>(id); }
catch (const BadAnyCast&) {}
return s.str();
}
template <typename R, typename T>
static R
CreateWithId(const T& id) {
return (R) CreateWithId(id, StringId<T>, CompareId<T>, GetType<R>(),
std::vector<ValueObject>());
}
template <typename R, typename T, typename A0>
static R
CreateWithId(const T& id,
const A0& a0) {
return (R) CreateWithId(id, StringId<T>, CompareId<T>, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0)));
}
template <typename R, typename T, typename A0, typename A1>
static R
CreateWithId(const T& id,
const A0& a0,
const A1& a1) {
return (R) CreateWithId(id, StringId<T>, CompareId<T>, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0), ValueObject::Create(a1)));
}
template <typename R, typename T, typename A0, typename A1, typename A2>
static R
CreateWithId(const T& id,
const A0& a0,
const A1& a1,
const A2& a2) {
return (R) CreateWithId(id, StringId<T>, CompareId<T>, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0), ValueObject::Create(a1),
ValueObject::Create(a2)));
}
template <typename R, typename T, typename A0, typename A1, typename A2, typename A3>
static R
CreateWithId(const T& id,
const A0& a0,
const A1& a1,
const A2& a2,
const A3& a3) {
return (R) CreateWithId(id, StringId<T>, CompareId<T>, GetType<R>(),
Tools::MakeVector(ValueObject::Create(a0), ValueObject::Create(a1),
ValueObject::Create(a2), ValueObject::Create(a3)));
}
static void* CreateWithId(const Any &id,
std::string (* str)(const Any&),
bool (* cmp)(const Any&,
const Any&),
const Type &ret,
const std::vector<ValueObject> &arg);
static std::string FactoryName(const std::string& n);
static int Debug();
static void SetDebug(int);
private:
/** Constructor */
PluginService();
/** Destructor */
~PluginService();
/** Get single instance of PluginService */
static PluginService& Instance();
int LoadFactoryLib(const std::string& name);
int ReadMaps();
int fDebugLevel;
Scope fFactories;
PluginFactoryMap* fFactoryMap;
}; // class PluginService
} // namespace Reflex
//--- Factory stub functions for the different number of parameters
namespace {
template <typename T> struct Arg {
static T
Cast(void* a) { return *(T*) a; }
};
template <typename T> struct Arg<T*> {
static T*
Cast(void* a) { return (T*) a; }
};
template <typename P, typename S> class Factory;
template <typename P, typename R> class Factory<P, R(void)> {
public:
static void
Func(void* retaddr,
void*,
const std::vector<void*>& /* arg */,
void*) {
*(R*) retaddr = (R) ::new P;
}
};
template <typename P, typename R, typename A0> class Factory<P, R(A0)> {
public:
static void
Func(void* retaddr,
void*,
const std::vector<void*>& arg,
void*) {
*(R*) retaddr = (R) ::new P(Arg<A0>::Cast(arg[0]));
}
};
template <typename P, typename R, typename A0, typename A1> class Factory<P, R(A0, A1)> {
public:
static void
Func(void* retaddr,
void*,
const std::vector<void*>& arg,
void*) {
*(R*) retaddr = (R) ::new P(Arg<A0>::Cast(arg[0]), Arg<A1>::Cast(arg[1]));
}
};
template <typename P, typename R, typename A0, typename A1, typename A2> class Factory<P, R(A0, A1, A2)> {
public:
static void
Func(void* retaddr,
void*,
const std::vector<void*>& arg,
void*) {
*(R*) retaddr = (R) ::new P(Arg<A0>::Cast(arg[0]), Arg<A1>::Cast(arg[1]), Arg<A2>::Cast(arg[2]));
}
};
template <typename P, typename R, typename A0, typename A1, typename A2, typename A3> class Factory<P, R(A0, A1, A2, A3)> {
public:
static void
Func(void* retaddr,
void*,
const std::vector<void*>& arg,
void*) {
*(R*) retaddr = (R) ::new P(Arg<A0>::Cast(arg[0]), Arg<A1>::Cast(arg[1]), Arg<A2>::Cast(arg[2]), Arg<A3>::Cast(arg[3]));
}
};
} // unnamed namespace
#define PLUGINSVC_CNAME(name, serial) name ## _dict ## serial
#define PLUGINSVC_FACTORY(type, signature) _PLUGINSVC_FACTORY(type, signature, __LINE__)
#define PLUGINSVC_FACTORY_WITH_ID(type, id, signature) _PLUGINSVC_FACTORY_WITH_ID(type, id, signature, __LINE__)
#define _PLUGINSVC_FACTORY(type, signature, serial) \
namespace { \
struct PLUGINSVC_CNAME (type, serial) { \
PLUGINSVC_CNAME(type, serial) () { \
std::string name = Reflex::GetType < type > ().Name(Reflex::SCOPED); \
Reflex::Type sig = Reflex::FunctionDistiller < signature > ::Get(); \
std::string fname = (std::string(PLUGINSVC_FACTORY_NS "::") + Reflex::PluginService::FactoryName(name)); \
Reflex::FunctionBuilder(sig, fname.c_str(), \
Factory < type, signature > ::Func, 0, "", Reflex::PUBLIC) \
.AddProperty("name", name); \
if (Reflex::PluginService::Debug()) { std::cout << "PluginService: Declared factory for class " << name << " with signature " << sig.Name() << std::endl; } \
} \
}; \
PLUGINSVC_CNAME(type, serial) PLUGINSVC_CNAME(s_ ## type, serial); \
}
#define _PLUGINSVC_FACTORY_WITH_ID(type, id, signature, serial) \
namespace { \
struct PLUGINSVC_CNAME (type, serial) { \
PLUGINSVC_CNAME(type, serial) () { \
std::string name = Reflex::GetType < type > ().Name(Reflex::SCOPED); \
Reflex::Type sig = Reflex::FunctionDistiller < signature > ::Get(); \
std::stringstream s; s << id; \
std::string fname = (std::string(PLUGINSVC_FACTORY_NS "::") + Reflex::PluginService::FactoryName(s.str())); \
Reflex::FunctionBuilder(sig, fname.c_str(), \
Factory < type, signature > ::Func, 0, "", Reflex::PUBLIC) \
.AddProperty("name", name) \
.AddProperty("id", id); \
if (Reflex::PluginService::Debug()) { std::cout << "PluginService: Declared factory for id " << fname << " with signature " << sig.Name() << std::endl; } \
} \
}; \
PLUGINSVC_CNAME(type, serial) PLUGINSVC_CNAME(s_ ## type, serial); \
}
#endif // Reflex_PluginService
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