1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* Copyright 2026 Joel Klinghed
*
* 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.
*/
#include "xcb_atoms.hh"
#include "xcb_connection.hh"
#include "xcb_event.hh"
#include <cassert>
#include <cstddef>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <xcb/xproto.h>
namespace xcb {
namespace {
class AtomsImpl : public Atoms {
public:
explicit AtomsImpl(shared_conn conn)
: conn_(std::move(conn)), storage_(std::make_shared<StorageImpl>()) {}
Reference get(std::string atom) override {
auto it = index_.find(atom);
size_t index;
if (it == index_.end()) {
index = cookie_.size();
cookie_.push_back(
xcb_intern_atom(conn_.get(), 0, atom.size(), atom.c_str()));
index_.emplace(std::move(atom), index);
} else {
index = it->second;
}
return {storage_, index};
}
bool sync() override {
std::vector<xcb_atom_t> atoms;
atoms.reserve(cookie_.size());
for (auto const& cookie : cookie_) {
xcb::reply<xcb_intern_atom_reply_t> reply(
xcb_intern_atom_reply(conn_.get(), cookie, nullptr));
if (!reply)
return false;
atoms.push_back(reply->atom);
}
storage_->set(std::move(atoms));
return true;
}
private:
class StorageImpl : public Storage {
public:
[[nodiscard]]
xcb_atom_t get(size_t id) const override {
assert(id < resolved_.size());
return resolved_[id];
}
void set(std::vector<xcb_atom_t> resolved) {
resolved_ = std::move(resolved);
}
private:
std::vector<xcb_atom_t> resolved_;
};
shared_conn conn_;
std::map<std::string, size_t> index_;
std::vector<xcb_intern_atom_cookie_t> cookie_;
std::shared_ptr<StorageImpl> storage_;
};
} // namespace
std::unique_ptr<Atoms> Atoms::create(shared_conn conn) {
return std::make_unique<AtomsImpl>(std::move(conn));
}
} // namespace xcb
|
