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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <libsigrokdecode/libsigrokdecode.h> | |
21 | ||
22 | #include "decoder.hpp" | |
23 | ||
24 | #include <boost/none_t.hpp> | |
25 | ||
26 | #include <pv/data/decode/decoder.hpp> | |
27 | #include <pv/data/decodesignal.hpp> | |
28 | #include <pv/prop/double.hpp> | |
29 | #include <pv/prop/enum.hpp> | |
30 | #include <pv/prop/int.hpp> | |
31 | #include <pv/prop/string.hpp> | |
32 | ||
33 | using boost::none; | |
34 | using std::map; | |
35 | using std::pair; | |
36 | using std::shared_ptr; | |
37 | using std::string; | |
38 | using std::vector; | |
39 | ||
40 | using pv::prop::Double; | |
41 | using pv::prop::Enum; | |
42 | using pv::prop::Int; | |
43 | using pv::prop::Property; | |
44 | using pv::prop::String; | |
45 | ||
46 | namespace pv { | |
47 | namespace binding { | |
48 | ||
49 | Decoder::Decoder( | |
50 | shared_ptr<pv::data::DecodeSignal> decode_signal, | |
51 | shared_ptr<data::decode::Decoder> decoder) : | |
52 | decode_signal_(decode_signal), | |
53 | decoder_(decoder) | |
54 | { | |
55 | assert(decoder_); | |
56 | ||
57 | const srd_decoder *const dec = decoder_->get_srd_decoder(); | |
58 | assert(dec); | |
59 | ||
60 | for (GSList *l = dec->options; l; l = l->next) { | |
61 | const srd_decoder_option *const opt = (srd_decoder_option*)l->data; | |
62 | ||
63 | const QString name = QString::fromUtf8(opt->desc); | |
64 | ||
65 | const Property::Getter get = [&, opt]() { | |
66 | return getter(opt->id); }; | |
67 | const Property::Setter set = [&, opt](Glib::VariantBase value) { | |
68 | setter(opt->id, value); }; | |
69 | ||
70 | shared_ptr<Property> prop; | |
71 | ||
72 | if (opt->values) | |
73 | prop = bind_enum(name, "", opt, get, set); | |
74 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("d"))) | |
75 | prop = shared_ptr<Property>(new Double(name, "", 2, "", | |
76 | none, none, get, set)); | |
77 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("x"))) | |
78 | prop = shared_ptr<Property>( | |
79 | new Int(name, "", "", none, get, set)); | |
80 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("s"))) | |
81 | prop = shared_ptr<Property>( | |
82 | new String(name, "", get, set)); | |
83 | else | |
84 | continue; | |
85 | ||
86 | properties_.push_back(prop); | |
87 | } | |
88 | } | |
89 | ||
90 | shared_ptr<Property> Decoder::bind_enum( | |
91 | const QString &name, const QString &desc, | |
92 | const srd_decoder_option *option, | |
93 | Property::Getter getter, Property::Setter setter) | |
94 | { | |
95 | vector< pair<Glib::VariantBase, QString> > values; | |
96 | for (GSList *l = option->values; l; l = l->next) { | |
97 | Glib::VariantBase var = Glib::VariantBase((GVariant*)l->data, true); | |
98 | values.emplace_back(var, print_gvariant(var)); | |
99 | } | |
100 | ||
101 | return shared_ptr<Property>(new Enum(name, desc, values, getter, setter)); | |
102 | } | |
103 | ||
104 | Glib::VariantBase Decoder::getter(const char *id) | |
105 | { | |
106 | GVariant *val = nullptr; | |
107 | ||
108 | assert(decoder_); | |
109 | ||
110 | // Get the value from the hash table if it is already present | |
111 | const map<string, GVariant*>& options = decoder_->options(); | |
112 | const auto iter = options.find(id); | |
113 | ||
114 | if (iter != options.end()) | |
115 | val = (*iter).second; | |
116 | else { | |
117 | assert(decoder_->get_srd_decoder()); | |
118 | ||
119 | // Get the default value if not | |
120 | for (GSList *l = decoder_->get_srd_decoder()->options; l; l = l->next) { | |
121 | const srd_decoder_option *const opt = (srd_decoder_option*)l->data; | |
122 | if (strcmp(opt->id, id) == 0) { | |
123 | val = opt->def; | |
124 | break; | |
125 | } | |
126 | } | |
127 | } | |
128 | ||
129 | return (val) ? Glib::VariantBase(val, true) : Glib::VariantBase(); | |
130 | } | |
131 | ||
132 | void Decoder::setter(const char *id, Glib::VariantBase value) | |
133 | { | |
134 | assert(decoder_); | |
135 | decoder_->set_option(id, value.gobj()); | |
136 | ||
137 | assert(decode_signal_); | |
138 | decode_signal_->begin_decode(); | |
139 | } | |
140 | ||
141 | } // namespace binding | |
142 | } // namespace pv |