mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-18 06:52:01 -08:00
53cafa9f3d
This commit adds support for go/cgo tgs conversion when building with the -tags `cgo` The default binaries are still "pure" go and uses the old way of converting. * Move lottie_convert.py conversion code to its own file * Add optional libtgsconverter * Update vendor * Apply suggestions from code review * Update bridge/helper/libtgsconverter.go Co-authored-by: Wim <wim@42.be>
127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
/*
|
|
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef VCOWPTR_H
|
|
#define VCOWPTR_H
|
|
|
|
#include <cassert>
|
|
#include <atomic>
|
|
|
|
template <typename T>
|
|
class vcow_ptr {
|
|
struct model {
|
|
std::atomic<std::size_t> mRef{1};
|
|
|
|
model() = default;
|
|
|
|
template <class... Args>
|
|
explicit model(Args&&... args) : mValue(std::forward<Args>(args)...){}
|
|
explicit model(const T& other) : mValue(other){}
|
|
|
|
T mValue;
|
|
};
|
|
model* mModel;
|
|
|
|
public:
|
|
using element_type = T;
|
|
|
|
vcow_ptr()
|
|
{
|
|
static model default_s;
|
|
mModel = &default_s;
|
|
++mModel->mRef;
|
|
}
|
|
|
|
~vcow_ptr()
|
|
{
|
|
if (mModel && (--mModel->mRef == 0)) delete mModel;
|
|
}
|
|
|
|
template <class... Args>
|
|
explicit vcow_ptr(Args&&... args) : mModel(new model(std::forward<Args>(args)...))
|
|
{
|
|
}
|
|
|
|
vcow_ptr(const vcow_ptr& x) noexcept : mModel(x.mModel)
|
|
{
|
|
assert(mModel);
|
|
++mModel->mRef;
|
|
}
|
|
vcow_ptr(vcow_ptr&& x) noexcept : mModel(x.mModel)
|
|
{
|
|
assert(mModel);
|
|
x.mModel = nullptr;
|
|
}
|
|
|
|
auto operator=(const vcow_ptr& x) noexcept -> vcow_ptr&
|
|
{
|
|
*this = vcow_ptr(x);
|
|
return *this;
|
|
}
|
|
|
|
auto operator=(vcow_ptr&& x) noexcept -> vcow_ptr&
|
|
{
|
|
auto tmp = std::move(x);
|
|
swap(*this, tmp);
|
|
return *this;
|
|
}
|
|
|
|
auto operator*() const noexcept -> const element_type& { return read(); }
|
|
|
|
auto operator-> () const noexcept -> const element_type* { return &read(); }
|
|
|
|
std::size_t refCount() const noexcept
|
|
{
|
|
assert(mModel);
|
|
|
|
return mModel->mRef;
|
|
}
|
|
|
|
bool unique() const noexcept
|
|
{
|
|
assert(mModel);
|
|
|
|
return mModel->mRef == 1;
|
|
}
|
|
|
|
auto write() -> element_type&
|
|
{
|
|
if (!unique()) *this = vcow_ptr(read());
|
|
|
|
return mModel->mValue;
|
|
}
|
|
|
|
auto read() const noexcept -> const element_type&
|
|
{
|
|
assert(mModel);
|
|
|
|
return mModel->mValue;
|
|
}
|
|
|
|
friend inline void swap(vcow_ptr& x, vcow_ptr& y) noexcept
|
|
{
|
|
std::swap(x.mModel, y.mModel);
|
|
}
|
|
};
|
|
|
|
#endif // VCOWPTR_H
|