linphone-iphone/include/linphone/utils/general.h
2017-09-05 13:59:54 +02:00

143 lines
3.9 KiB
C++

/*
* general.h
* Copyright (C) 2017 Belledonne Communications SARL
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GENERAL_H_
#define _GENERAL_H_
// =============================================================================
#define LINPHONE_NAMESPACE LinphonePrivate
#ifdef __cplusplus
#define LINPHONE_BEGIN_NAMESPACE namespace LINPHONE_NAMESPACE {
#define LINPHONE_END_NAMESPACE }
#else
#define LINPHONE_BEGIN_NAMESPACE
#define LINPHONE_END_NAMESPACE
#endif
// -----------------------------------------------------------------------------
LINPHONE_BEGIN_NAMESPACE
#ifndef LINPHONE_PUBLIC
#if defined(_MSC_VER)
#ifdef LINPHONE_STATIC
#define LINPHONE_PUBLIC
#else
#ifdef LINPHONE_EXPORTS
#define LINPHONE_PUBLIC __declspec(dllexport)
#else
#define LINPHONE_PUBLIC __declspec(dllimport)
#endif
#endif
#else
#define LINPHONE_PUBLIC
#endif
#endif
#ifndef LINPHONE_DEPRECATED
#if defined(_MSC_VER)
#define LINPHONE_DEPRECATED __declspec(deprecated)
#else
#define LINPHONE_DEPRECATED __attribute__ ((deprecated))
#endif
#endif
// -----------------------------------------------------------------------------
#ifdef __cplusplus
void l_assert (const char *condition, const char *file, int line);
#ifdef DEBUG
#define L_ASSERT(CONDITION) static_cast<void>(false && (CONDITION))
#else
#define L_ASSERT(CONDITION) ((CONDITION) ? static_cast<void>(0) : l_assert(#CONDITION, __FILE__, __LINE__))
#endif
// Allows access to private internal data.
// Gives a control to C Wrapper.
#define L_DECLARE_PRIVATE(CLASS) \
inline CLASS ## Private * getPrivate() { \
return reinterpret_cast<CLASS ## Private *>(mPrivate); \
} \
inline const CLASS ## Private *getPrivate() const { \
return reinterpret_cast<const CLASS ## Private *>(mPrivate); \
} \
friend class CLASS ## Private; \
friend class Wrapper;
class ClonableObject;
class ClonableObjectPrivate;
class Object;
class ObjectPrivate;
template<typename T>
inline ClonableObject *getPublicHelper (T *object, ClonableObjectPrivate *context) {
auto it = object->find(context);
L_ASSERT(it != object->end());
return it->second;
}
template<typename T>
inline const ClonableObject *getPublicHelper (const T *object, const ClonableObjectPrivate *context) {
auto it = object->find(context);
L_ASSERT(it != object->cend());
return it->second;
}
template<typename T>
inline Object *getPublicHelper (T *object, ObjectPrivate *) {
return object;
}
template<typename T>
inline const Object *getPublicHelper (const T *object, const ObjectPrivate *) {
return object;
}
#define L_DECLARE_PUBLIC(CLASS) \
inline CLASS * getPublic () { \
return static_cast<CLASS *>(getPublicHelper(mPublic, this)); \
} \
inline const CLASS *getPublic () const { \
return static_cast<const CLASS *>(getPublicHelper(mPublic, this)); \
} \
friend class CLASS;
#define L_DISABLE_COPY(CLASS) \
CLASS(const CLASS &) = delete; \
CLASS &operator= (const CLASS &) = delete;
#define L_D(CLASS) CLASS ## Private * const d = getPrivate();
#define L_Q(CLASS) CLASS * const q = getPublic();
#define L_USE_DEFAULT_SHARE_IMPL(CLASS, PARENT_CLASS) \
CLASS::CLASS (const CLASS &src) : PARENT_CLASS(*src.getPrivate()) {} \
CLASS &CLASS::operator= (const CLASS &src) { \
if (this != &src) \
setRef(*src.getPrivate()); \
return *this; \
}
#endif
LINPHONE_END_NAMESPACE
#endif // ifndef _GENERAL_H_