CLI: when invoked with only -a <pd>, the PD's documentation is shown.

diff --git a/sigrok-cli.c b/sigrok-cli.c
index 2cfc471f00e7508592a60de1840b50eabf30aae0..ce504b743a0a70f8f6e9ae230ad55c70c9c304c1 100644 (file)
--- a/sigrok-cli.c
+++ b/sigrok-cli.c
@@ -258,6 +258,38 @@ static void show_device_detail(void)
        }
 }
 
+static void show_pd_detail(void)
+{
+       GSList *l;
+       struct srd_decoder *dec;
+       char **pdtokens, **pdtok, **ann, *doc;
+
+       pdtokens = g_strsplit(opt_pds, ",", -1);
+       for (pdtok = pdtokens; *pdtok; pdtok++) {
+               if (!(dec = srd_get_decoder_by_id(*pdtok))) {
+                       printf("Protocol decoder %s not found.", *pdtok);
+                       return;
+               }
+               printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
+                               dec->id, dec->name, dec->longname, dec->desc);
+               printf("License: %s\n", dec->license);
+               if (dec->annotations) {
+                       printf("Annotations:\n");
+                       for (l = dec->annotations; l; l = l->next) {
+                               ann = l->data;
+                               printf("- %s\n  %s\n", ann[0], ann[1]);
+                       }
+               }
+               if ((doc = srd_decoder_doc(dec))) {
+                       printf("Documentation:\n%s\n", doc[0] == '\n' ? doc+1 : doc);
+                       g_free(doc);
+               }
+       }
+
+       g_strfreev(pdtokens);
+
+}
+
 static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *packet)
 {
        static struct sr_output *o = NULL;
@@ -1063,6 +1095,8 @@ int main(int argc, char **argv)
                run_session();
        else if (opt_device)
                show_device_detail();
+       else if (opt_pds)
+               show_pd_detail();
        else
                printf("%s", g_option_context_get_help(context, TRUE, NULL));