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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <libsigrokdecode/libsigrokdecode.h> | |
22 | ||
23 | #include "decoder.hpp" | |
24 | ||
25 | #include <boost/none_t.hpp> | |
26 | ||
27 | #include <pv/data/decoderstack.hpp> | |
28 | #include <pv/data/decode/decoder.hpp> | |
29 | #include <pv/prop/double.hpp> | |
30 | #include <pv/prop/enum.hpp> | |
31 | #include <pv/prop/int.hpp> | |
32 | #include <pv/prop/string.hpp> | |
33 | ||
34 | using boost::none; | |
35 | using std::make_pair; | |
36 | using std::map; | |
37 | using std::pair; | |
38 | using std::shared_ptr; | |
39 | using std::string; | |
40 | using std::vector; | |
41 | ||
42 | using pv::prop::Double; | |
43 | using pv::prop::Enum; | |
44 | using pv::prop::Int; | |
45 | using pv::prop::Property; | |
46 | using pv::prop::String; | |
47 | ||
48 | namespace pv { | |
49 | namespace binding { | |
50 | ||
51 | Decoder::Decoder( | |
52 | shared_ptr<pv::data::DecoderStack> decoder_stack, | |
53 | shared_ptr<data::decode::Decoder> decoder) : | |
54 | decoder_stack_(decoder_stack), | |
55 | decoder_(decoder) | |
56 | { | |
57 | assert(decoder_); | |
58 | ||
59 | const srd_decoder *const dec = decoder_->decoder(); | |
60 | assert(dec); | |
61 | ||
62 | for (GSList *l = dec->options; l; l = l->next) | |
63 | { | |
64 | const srd_decoder_option *const opt = | |
65 | (srd_decoder_option*)l->data; | |
66 | ||
67 | const QString name = QString::fromUtf8(opt->desc); | |
68 | ||
69 | const Property::Getter get = [&, opt]() { | |
70 | return getter(opt->id); }; | |
71 | const Property::Setter set = [&, opt](Glib::VariantBase value) { | |
72 | setter(opt->id, value); }; | |
73 | ||
74 | shared_ptr<Property> prop; | |
75 | ||
76 | if (opt->values) | |
77 | prop = bind_enum(name, opt, get, set); | |
78 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("d"))) | |
79 | prop = shared_ptr<Property>(new Double(name, 2, "", | |
80 | none, none, get, set)); | |
81 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("x"))) | |
82 | prop = shared_ptr<Property>( | |
83 | new Int(name, "", none, get, set)); | |
84 | else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("s"))) | |
85 | prop = shared_ptr<Property>( | |
86 | new String(name, get, set)); | |
87 | else | |
88 | continue; | |
89 | ||
90 | properties_.push_back(prop); | |
91 | } | |
92 | } | |
93 | ||
94 | shared_ptr<Property> Decoder::bind_enum( | |
95 | const QString &name, const srd_decoder_option *option, | |
96 | Property::Getter getter, Property::Setter setter) | |
97 | { | |
98 | vector< pair<Glib::VariantBase, QString> > values; | |
99 | for (GSList *l = option->values; l; l = l->next) { | |
100 | Glib::VariantBase var = Glib::VariantBase((GVariant*)l->data, true); | |
101 | values.push_back(make_pair(var, print_gvariant(var))); | |
102 | } | |
103 | ||
104 | return shared_ptr<Property>(new Enum(name, values, getter, setter)); | |
105 | } | |
106 | ||
107 | Glib::VariantBase Decoder::getter(const char *id) | |
108 | { | |
109 | GVariant *val = nullptr; | |
110 | ||
111 | assert(decoder_); | |
112 | ||
113 | // Get the value from the hash table if it is already present | |
114 | const map<string, GVariant*>& options = decoder_->options(); | |
115 | const auto iter = options.find(id); | |
116 | ||
117 | if (iter != options.end()) | |
118 | val = (*iter).second; | |
119 | else | |
120 | { | |
121 | assert(decoder_->decoder()); | |
122 | ||
123 | // Get the default value if not | |
124 | for (GSList *l = decoder_->decoder()->options; l; l = l->next) | |
125 | { | |
126 | const srd_decoder_option *const opt = | |
127 | (srd_decoder_option*)l->data; | |
128 | if (strcmp(opt->id, id) == 0) { | |
129 | val = opt->def; | |
130 | break; | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
135 | if (val) | |
136 | return Glib::VariantBase(val, true); | |
137 | else | |
138 | return Glib::VariantBase(); | |
139 | } | |
140 | ||
141 | void Decoder::setter(const char *id, Glib::VariantBase value) | |
142 | { | |
143 | assert(decoder_); | |
144 | decoder_->set_option(id, value.gobj()); | |
145 | ||
146 | assert(decoder_stack_); | |
147 | decoder_stack_->begin_decode(); | |
148 | } | |
149 | ||
150 | } // binding | |
151 | } // pv |