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
|
/*
* 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_connection.hh"
#include "xcb_resources.hh"
#include <cstdlib>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <xcb/xcb_xrm.h>
namespace xcb {
namespace {
struct DatabaseDeleter {
void operator()(xcb_xrm_database_t* db) { xcb_xrm_database_free(db); }
};
class ResourcesXrm : public Resources {
public:
explicit ResourcesXrm(shared_conn conn)
: conn_(std::move(conn)),
db_(xcb_xrm_database_from_default(conn_.get())) {}
std::optional<std::string> get_string(std::string const& name,
std::string const& clazz) override {
if (db_) {
char* tmp;
if (xcb_xrm_resource_get_string(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
std::string ret(tmp);
free(tmp);
return ret;
}
}
return std::nullopt;
}
std::optional<long> get_long(std::string const& name,
std::string const& clazz) override {
if (db_) {
long tmp;
if (xcb_xrm_resource_get_long(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
return tmp;
}
}
return std::nullopt;
}
std::optional<bool> get_bool(std::string const& name,
std::string const& clazz) override {
if (db_) {
bool tmp;
if (xcb_xrm_resource_get_bool(db_.get(), std::string(name).c_str(),
std::string(clazz).c_str(), &tmp) >= 0) {
return tmp;
}
}
return std::nullopt;
}
private:
shared_conn conn_;
std::unique_ptr<xcb_xrm_database_t, DatabaseDeleter> db_;
};
} // namespace
std::unique_ptr<Resources> Resources::create(shared_conn conn) {
return std::make_unique<ResourcesXrm>(std::move(conn));
}
} // namespace xcb
|
