GCC Code Coverage Report

Line	Branch	Exec	Source
1			/*****************************************************************************
2			* vim:tw=78
3			*
4			* Copyright (C) 2021 Richard Hacker (lerichi at gmx dot net),
5			* Florian Pose (fp at igh dot de),
6			* Bjarne von Horn (vh at igh dot de).
7			*
8			* This file is part of the PdCom library.
9			*
10			* The PdCom library is free software: you can redistribute it and/or modify
11			* it under the terms of the GNU Lesser General Public License as published by
12			* the Free Software Foundation, either version 3 of the License, or (at your
13			* option) any later version.
14			*
15			* The PdCom library is distributed in the hope that it will be useful, but
16			* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17			* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
18			* License for more details.
19			*
20			* You should have received a copy of the GNU Lesser General Public License
21			* along with the PdCom library. If not, see <http://www.gnu.org/licenses/>.
22			*
23			*****************************************************************************/
24
25
26			#ifndef PDCOM5_VARIABLE_IMPL_H
27			#define PDCOM5_VARIABLE_IMPL_H
28
29			#include <memory>
30			#include <pdcom5/Exception.h>
31			#include <pdcom5/Variable.h>
32
33			namespace PdCom {
34			class Subscription;
35			class Subscriber;
36			struct Selector;
37
38			namespace impl {
39			class Process;
40
41			class Variable
42			{
43			public:
44		1287	static std::shared_ptr<const Variable> fromUApi(const PdCom::Variable &p)
45			{
46	2/4 ✓ Branch 3 taken 1287 times. ✗ Branch 4 not taken. ✗ Branch 6 not taken. ✓ Branch 7 taken 1287 times.	1287	if (auto ans = p.pimpl_.lock())
47	1/2 ✗ Branch 2 not taken. ✓ Branch 3 taken 1287 times.	2574	return ans;
48		✗	throw EmptyVariable();
49			}
50		2812	static PdCom::Variable toUApi(std::weak_ptr<const Variable> var)
51			{
52		2812	return PdCom::Variable {var};
53			}
54
55			static std::shared_ptr<Subscription> subscribe(
56			PdCom::Subscription *subscription,
57			const PdCom::Variable &p,
58			PdCom::Subscriber &subscriber,
59			const PdCom::Selector &selector);
60
61		377	virtual ~Variable() = default;
62		377	Variable(
63			SizeInfo size_info,
64			const TypeInfo *type_info,
65		377	std::weak_ptr<PdCom::impl::Process> p) :
66		377	size_info(std::move(size_info)), type_info(type_info), process(p)
67		377	{}
68
69			Variable(Variable &&) noexcept;
70			Variable &operator=(Variable &&) noexcept;
71
72			virtual PdCom::Variable::SetValueFuture
73			setValue(const void *, TypeInfo::DataType t, size_t idx, size_t n)
74			const = 0;
75			virtual std::string getPath() const = 0;
76			virtual std::string getName() const = 0;
77			virtual std::string getAlias() const = 0;
78			virtual int getTaskId() const = 0;
79			virtual bool isWriteable() const = 0;
80
81			virtual std::chrono::duration<double> getSampleTime() const = 0;
82
83		4973	std::size_t totalSizeInBytes() const
84			{
85		4973	return numberOfElements() * type_info->element_size;
86			}
87		4973	std::size_t numberOfElements() const { return size_info.totalElements(); }
88
89			SizeInfo size_info;
90			const TypeInfo *type_info;
91			std::weak_ptr<PdCom::impl::Process> process;
92
93			protected:
94			void getValue(
95			char *dst,
96			const void *src,
97			TypeInfo::DataType UserTypeIdx,
98			size_t n) const
99			{
100			details::copyData(dst, type_info->type, src, UserTypeIdx, n);
101			}
102			};
103
104
105			} // namespace impl
106
107			} // namespace PdCom
108
109			#endif // PDCOM5_VARIABLE_H
110