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
104
105
106
107
108
109
110
111
112
113
/*
* Copyright 2007-2017 Content Management AG
* All rights reserved.
*
* author: Max Kellermann <mk@cm4all.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ODBUS_TYPES_HXX
#define ODBUS_TYPES_HXX
#include "util/TemplateString.hxx"
#include <dbus/dbus.h>
namespace ODBus {
template<int type>
struct BasicTypeTraits {
static constexpr int TYPE = type;
typedef TemplateString::CharAsString<TYPE> TypeAsString;
};
template<typename T>
struct TypeTraits {
};
template<>
struct TypeTraits<const char *> : BasicTypeTraits<DBUS_TYPE_STRING> {
};
using StringTypeTraits = TypeTraits<const char *>;
struct ObjectPathTypeTraits : BasicTypeTraits<DBUS_TYPE_OBJECT_PATH> {
};
template<>
struct TypeTraits<dbus_uint32_t> : BasicTypeTraits<DBUS_TYPE_UINT32> {
};
template<>
struct TypeTraits<dbus_uint64_t> : BasicTypeTraits<DBUS_TYPE_UINT64> {
};
using BooleanTypeTraits = BasicTypeTraits<DBUS_TYPE_BOOLEAN>;
template<typename T>
struct ArrayTypeTraits {
typedef T ContainedTraits;
static constexpr int TYPE = DBUS_TYPE_ARRAY;
typedef TemplateString::InsertBefore<TYPE, typename ContainedTraits::TypeAsString> TypeAsString;
};
template<typename KeyT, typename ValueT>
struct DictEntryTypeTraits {
static constexpr int TYPE = DBUS_TYPE_DICT_ENTRY;
typedef TemplateString::Concat<TemplateString::CharAsString<DBUS_DICT_ENTRY_BEGIN_CHAR>,
typename KeyT::TypeAsString,
typename ValueT::TypeAsString,
TemplateString::CharAsString<DBUS_DICT_ENTRY_END_CHAR>> TypeAsString;
};
using VariantTypeTraits = BasicTypeTraits<DBUS_TYPE_VARIANT>;
/**
* Concatenate all TypeAsString members to one string.
*/
template<typename T, typename... ContainedTraits>
struct ConcatTypeAsString
: TemplateString::Concat<typename T::TypeAsString,
ConcatTypeAsString<ContainedTraits...>> {};
template<typename T>
struct ConcatTypeAsString<T> : T::TypeAsString {};
template<typename... ContainedTraits>
struct StructTypeTraits {
static constexpr int TYPE = DBUS_TYPE_STRUCT;
typedef TemplateString::Concat<TemplateString::CharAsString<DBUS_STRUCT_BEGIN_CHAR>,
ConcatTypeAsString<ContainedTraits...>,
TemplateString::CharAsString<DBUS_STRUCT_END_CHAR>> TypeAsString;
};
} /* namespace ODBus */
#endif