docs: Also fix index.json search terms for web UI

Same rationale than devhelp, we want to add ontology-related
search terms there. Generate the JSON files separately, in order
to merge them at the same last stage.

3 files changed, 93 insertions, 6 deletions

diff --git a/docs/reference/libtracker-sparql/generate-devhelp.sh b/docs/reference/libtracker-sparql/generate-devhelp.sh
index d4d8d0f88..34581451a 100755
--- a/docs/reference/libtracker-sparql/generate-devhelp.sh
+++ b/docs/reference/libtracker-sparql/generate-devhelp.sh
@@ -15,4 +15,9 @@ echo -e "  </functions>\n</book>" >>fixed.devhelp2
 # Replace devhelp2 file
 mv fixed.devhelp2 $devhelp_file
 
+# Also fix index.json file for web UI search
+index_json="${docs_name}/index.json"
+python3 ${MESON_SOURCE_ROOT}/docs/reference/libtracker-sparql/merge-json.py $index_json ../*-ontology.index.json
+rm ../*-ontology.index.json 2>/dev/null
+
 popd >/dev/null
diff --git a/docs/reference/libtracker-sparql/merge-json.py b/docs/reference/libtracker-sparql/merge-json.py
new file mode 100644
index 000000000..7793f9155
--- /dev/null
+++ b/docs/reference/libtracker-sparql/merge-json.py
@@ -0,0 +1,13 @@
+#!/bin/env python3
+import json, sys
+
+index = json.load(open(sys.argv[1]))
+for x in range (2, len(sys.argv)):
+    extra = json.load(open(sys.argv[x]))
+    index['symbols'] += extra['symbols']
+
+rewritten = json.dumps(index)
+
+with open(sys.argv[1], 'w') as f:
+    f.write(rewritten)
+    f.close()
diff --git a/docs/tools/tracker-docgen-md.c b/docs/tools/tracker-docgen-md.c
index 62cc081e4..0aa099135 100644
--- a/docs/tools/tracker-docgen-md.c
+++ b/docs/tools/tracker-docgen-md.c
@@ -499,11 +499,11 @@ print_toc_classes (FILE                 *f,
 }
 
 void
-generate_keywords (TrackerOntologyModel       *model,
-		   TrackerOntologyDescription *description,
-		   GFile                      *output_location,
-		   GList                      *classes,
-		   GList                      *properties)
+generate_devhelp_keywords (TrackerOntologyModel       *model,
+			   TrackerOntologyDescription *description,
+			   GFile                      *output_location,
+			   GList                      *classes,
+			   GList                      *properties)
 {
 	gchar *path, *filename;
 	GFile *file;
@@ -543,6 +543,74 @@ generate_keywords (TrackerOntologyModel       *model,
 	fclose (f);
 }
 
+void
+generate_search_terms (TrackerOntologyModel       *model,
+		       TrackerOntologyDescription *description,
+		       GFile                      *output_location,
+		       GList                      *classes,
+		       GList                      *properties)
+{
+	gchar *path, *filename;
+	GFile *file;
+	GList *l;
+	FILE *f;
+	gboolean first = TRUE;
+
+	filename = g_strdup_printf ("%s-ontology.index.json", description->localPrefix);
+	file = g_file_get_child (output_location, filename);
+	g_free (filename);
+
+	path = g_file_get_path (file);
+	f = fopen (path, "w");
+	g_assert (f != NULL);
+	g_free (path);
+
+	g_fprintf (f, "{\"symbols\":[");
+
+	for (l = classes; l != NULL; l = l->next) {
+		TrackerOntologyClass *klass;
+		g_autofree gchar *desc = NULL;
+
+		if (!first)
+			g_fprintf (f, ",");
+
+		klass = tracker_ontology_model_get_class (model, l->data);
+		if (klass->description)
+			desc = g_strescape (klass->description, NULL);
+
+		g_fprintf (f, "{\"type\": \"content\", \"name\":\"%s\",\"href\":\"%s-ontology.html#%s\",\"summary\":\"%s\"}",
+			   klass->shortname,
+			   description->localPrefix,
+			   klass->shortname,
+		           desc ? desc : "");
+		first = FALSE;
+	}
+
+	for (l = properties; l != NULL; l = l->next) {
+		TrackerOntologyProperty *prop;
+		g_autofree gchar *desc = NULL;
+
+		if (!first)
+			g_fprintf (f, ",");
+
+		prop = tracker_ontology_model_get_property (model, l->data);
+		if (prop->description)
+			desc = g_strescape (prop->description, NULL);
+
+		g_fprintf (f, "{\"type\": \"content\", \"name\":\"%s\",\"href\":\"%s-ontology.html#%s\",\"summary\":\"%s\"}",
+			   prop->shortname,
+			   description->localPrefix,
+			   prop->shortname,
+		           desc ? desc : "");
+		first = FALSE;
+	}
+
+	g_fprintf (f, "]}");
+
+	g_object_unref (file);
+	fclose (f);
+}
+
 /* Generate markdown document for one ontology. */
 void
 ttl_md_print (TrackerOntologyDescription *description,
@@ -620,7 +688,8 @@ ttl_md_print (TrackerOntologyDescription *description,
 
 	print_md_footer (f, description);
 
-	generate_keywords (model, description, output_location, classes, properties);
+	generate_devhelp_keywords (model, description, output_location, classes, properties);
+	generate_search_terms (model, description, output_location, classes, properties);
 
 	g_free (upper_name);
 	g_free (introduction);