blob: 46c4d5e8bee79b4b8ae1e026197e97b6f2057635 (
plain)
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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Authors:
* Nicholas Bishop <nicholasbishop@gmail.com>
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
*
* Copyright (C) 2007 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_UTIL_ENUMS_H
#define INKSCAPE_UTIL_ENUMS_H
#include <glibmm/ustring.h>
namespace Inkscape {
namespace Util {
/**
* Simplified management of enumerations of svg items with UI labels.
* IMPORTANT:
* When initializing the EnumData struct, you cannot use _(...) to translate strings.
* Instead, one must use N_(...) and do the translation every time the string is retrieved.
*/
template<typename E>
struct EnumData
{
E id;
const Glib::ustring label;
const Glib::ustring key;
};
const Glib::ustring empty_string("");
/**
* Simplified management of enumerations of svg items with UI labels.
*
* @note that get_id_from_key and get_id_from_label return 0 if it cannot find an entry for that key string.
* @note that get_label and get_key return an empty string when the requested id is not in the list.
*/
template<typename E> class EnumDataConverter
{
public:
typedef EnumData<E> Data;
EnumDataConverter(const EnumData<E>* cd, const unsigned int length)
: _length(length), _data(cd)
{}
E get_id_from_label(const Glib::ustring& label) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].label == label)
return _data[i].id;
}
return (E)0;
}
E get_id_from_key(const Glib::ustring& key) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].key == key)
return _data[i].id;
}
return (E)0;
}
bool is_valid_key(const Glib::ustring& key) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].key == key)
return true;
}
return false;
}
bool is_valid_id(const E id) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].id == id)
return true;
}
return false;
}
const Glib::ustring& get_label(const E id) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].id == id)
return _data[i].label;
}
return empty_string;
}
const Glib::ustring& get_key(const E id) const
{
for(unsigned int i = 0; i < _length; ++i) {
if(_data[i].id == id)
return _data[i].key;
}
return empty_string;
}
const EnumData<E>& data(const unsigned int i) const
{
return _data[i];
}
const unsigned int _length;
private:
const EnumData<E>* _data;
};
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
|
