Rework decoder infrastructure

[pulseview.git] / pv / data / decode / decoder.cpp

diff --git a/pv/data/decode/decoder.cpp b/pv/data/decode/decoder.cpp
index f86c5d08dc86d9261718ab92e2005b1b30dbd914..3769f8898f18fc7736691c4288fde9b175f5c206 100644 (file)
--- a/pv/data/decode/decoder.cpp
+++ b/pv/data/decode/decoder.cpp
@@ -29,7 +29,6 @@
 #include <pv/data/signalbase.hpp>
 #include <pv/data/decodesignal.hpp>
 
-using pv::data::DecodeChannel;
 using std::map;
 using std::string;
 
@@ -38,10 +37,48 @@ namespace data {
 namespace decode {
 
 Decoder::Decoder(const srd_decoder *const dec) :
-       decoder_(dec),
+       srd_decoder_(dec),
        shown_(true),
        decoder_inst_(nullptr)
 {
+       // Query the annotation output classes
+       uint32_t i = 0;
+       for (GSList *l = dec->annotations; l; l = l->next) {
+               char **ann_class = (char**)l->data;
+               char *name = ann_class[0];
+               char *desc = ann_class[1];
+               ann_classes_.push_back({i++, name, desc, nullptr, true}); // Visible by default
+       }
+
+       // Query the binary output classes
+       i = 0;
+       for (GSList *l = dec->binary; l; l = l->next) {
+               char **bin_class = (char**)l->data;
+               char *name = bin_class[0];
+               char *desc = bin_class[1];
+               bin_classes_.push_back({i++, name, desc});
+       }
+
+       // Query the annotation rows and reference them by the classes that use them
+       uint32_t row_count = 0;
+       for (const GSList *rl = srd_decoder_->annotation_rows; rl; rl = rl->next)
+               row_count++;
+       rows_.reserve(row_count);
+
+       i = 0;
+       for (const GSList *rl = srd_decoder_->annotation_rows; rl; rl = rl->next) {
+               const srd_decoder_annotation_row *const srd_row = (srd_decoder_annotation_row *)rl->data;
+               assert(srd_row);
+               rows_.push_back({i++, this, srd_row});
+
+               // FIXME PV can crash from .at() if a PD's ann classes are defined incorrectly
+               for (const GSList *cl = srd_row->ann_classes; cl; cl = cl->next)
+                       ann_classes_.at((size_t)cl->data).row = &(rows_.back());
+       }
+
+       if (rows_.empty())
+               // Make sure there is a row for PDs without row declarations
+               rows_.emplace_back(0, this);
 }
 
 Decoder::~Decoder()
@@ -50,9 +87,14 @@ Decoder::~Decoder()
                g_variant_unref(option.second);
 }
 
-const srd_decoder* Decoder::decoder() const
+const srd_decoder* Decoder::get_srd_decoder() const
+{
+       return srd_decoder_;
+}
+
+const char* Decoder::name() const
 {
-       return decoder_;
+       return srd_decoder_->name;
 }
 
 bool Decoder::shown() const
@@ -132,7 +174,7 @@ srd_decoder_inst* Decoder::create_decoder_inst(srd_session *session)
        if (decoder_inst_)
                qDebug() << "WARNING: previous decoder instance" << decoder_inst_ << "exists";
 
-       decoder_inst_ = srd_inst_new(session, decoder_->id, opt_hash);
+       decoder_inst_ = srd_inst_new(session, srd_decoder_->id, opt_hash);
        g_hash_table_destroy(opt_hash);
 
        if (!decoder_inst_)
@@ -172,6 +214,52 @@ void Decoder::invalidate_decoder_inst()
        decoder_inst_ = nullptr;
 }
 
+vector<Row*> Decoder::get_rows()
+{
+       vector<Row*> result;
+
+       for (Row& row : rows_)
+               result.push_back(&row);
+
+       return result;
+}
+
+Row* Decoder::get_row_by_id(size_t id)
+{
+       if (id > rows_.size())
+               return nullptr;
+
+       return &(rows_[id]);
+}
+
+vector<const AnnotationClass*> Decoder::ann_classes() const
+{
+       vector<const AnnotationClass*> result;
+
+       for (const AnnotationClass& c : ann_classes_)
+               result.push_back(&c);
+
+       return result;
+}
+
+AnnotationClass* Decoder::get_ann_class_by_id(size_t id)
+{
+       if (id >= ann_classes_.size())
+               return nullptr;
+
+       return &(ann_classes_[id]);
+}
+
+uint32_t Decoder::get_binary_class_count() const
+{
+       return bin_classes_.size();
+}
+
+const DecodeBinaryClassInfo* Decoder::get_binary_class(uint32_t id) const
+{
+       return &(bin_classes_.at(id));
+}
+
 }  // namespace decode
 }  // namespace data
 }  // namespace pv