graph_to_json: Export graph title.

[collection4.git] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index 92fa02a..544a606 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -188,6 +188,25 @@ int graph_config_add (const oconfig_item_t *ci) /* {{{ */
   return (0);
 } /* }}} graph_config_add */
 
+int graph_add_inst (graph_config_t *graph, graph_instance_t *inst) /* {{{ */
+{
+  graph_instance_t **tmp;
+
+  if ((graph == NULL) || (inst == NULL))
+    return (EINVAL);
+
+  tmp = realloc (graph->instances,
+      sizeof (*graph->instances) * (graph->instances_num + 1));
+  if (tmp == NULL)
+    return (ENOMEM);
+  graph->instances = tmp;
+
+  graph->instances[graph->instances_num] = inst;
+  graph->instances_num++;
+
+  return (0);
+} /* }}} int graph_add_inst */
+
 int graph_add_file (graph_config_t *cfg, const graph_ident_t *file) /* {{{ */
 {
   graph_instance_t *inst;
@@ -195,20 +214,11 @@ int graph_add_file (graph_config_t *cfg, const graph_ident_t *file) /* {{{ */
   inst = graph_inst_find_matching (cfg, file);
   if (inst == NULL)
   {
-    graph_instance_t **tmp;
-
-    tmp = realloc (cfg->instances,
-        sizeof (*cfg->instances) * (cfg->instances_num + 1));
-    if (tmp == NULL)
-      return (ENOMEM);
-    cfg->instances = tmp;
-
     inst = inst_create (cfg, file);
     if (inst == NULL)
       return (ENOMEM);
 
-    cfg->instances[cfg->instances_num] = inst;
-    cfg->instances_num++;
+    graph_add_inst (cfg, inst);
   }
 
   return (inst_add_file (inst, file));
@@ -606,12 +616,6 @@ int graph_compare (graph_config_t *cfg, const graph_ident_t *ident) /* {{{ */
   return (ident_compare (cfg->select, ident));
 } /* }}} int graph_compare */
 
-static int graph_sort_instances_cb (const void *v0, const void *v1) /* {{{ */
-{
-  return (inst_compare (*(graph_instance_t * const *) v0,
-        *(graph_instance_t * const *) v1));
-} /* }}} int graph_sort_instances_cb */
-
 size_t graph_num_instances (graph_config_t *cfg) /* {{{ */
 {
   if (cfg == NULL)
@@ -620,6 +624,94 @@ size_t graph_num_instances (graph_config_t *cfg) /* {{{ */
   return (cfg->instances_num);
 } /* }}} size_t graph_num_instances */
 
+int graph_to_json (const graph_config_t *cfg, /* {{{ */
+    yajl_gen handler)
+{
+  size_t i;
+
+  if ((cfg == NULL) || (handler == NULL))
+    return (EINVAL);
+
+  yajl_gen_map_open (handler);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "title",
+      (unsigned int) strlen ("title"));
+  yajl_gen_string (handler,
+      (unsigned char *) cfg->title,
+      (unsigned int) strlen (cfg->title));
+
+  yajl_gen_string (handler,
+      (unsigned char *) "select",
+      (unsigned int) strlen ("select"));
+  ident_to_json (cfg->select, handler);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "instances",
+      (unsigned int) strlen ("instances"));
+  yajl_gen_array_open (handler);
+  for (i = 0; i < cfg->instances_num; i++)
+    inst_to_json (cfg->instances[i], handler);
+  yajl_gen_array_close (handler);
+
+  yajl_gen_map_close (handler);
+
+  return (0);
+} /* }}} int graph_to_json */
+
+int graph_def_to_json (graph_config_t *cfg, /* {{{ */
+    graph_instance_t *inst,
+    yajl_gen handler)
+{
+#define yajl_gen_string_cast(h,p,l) \
+  yajl_gen_string (h, (unsigned char *) p, (unsigned int) l)
+
+  if ((cfg == NULL) || (handler == NULL))
+    return (EINVAL);
+
+  yajl_gen_map_open (handler);
+
+  yajl_gen_string_cast (handler, "select", strlen ("select"));
+  ident_to_json (cfg->select, handler);
+  if (cfg->title != NULL)
+  {
+    yajl_gen_string_cast (handler, "title", strlen ("title"));
+    yajl_gen_string_cast (handler, cfg->title, strlen (cfg->title));
+  }
+  if (cfg->vertical_label != NULL)
+  {
+    yajl_gen_string_cast (handler, "vertical_label", strlen ("vertical_label"));
+    yajl_gen_string_cast (handler, cfg->vertical_label, strlen (cfg->vertical_label));
+  }
+  yajl_gen_string_cast (handler, "show_zero", strlen ("show_zero"));
+  yajl_gen_bool (handler, cfg->show_zero);
+
+  yajl_gen_string_cast (handler, "defs", strlen ("defs"));
+  if (cfg->defs == NULL)
+  {
+    graph_def_t *defs;
+
+    defs = inst_get_default_defs (cfg, inst);
+    def_to_json (defs, handler);
+    def_destroy (defs);
+  }
+  else
+  {
+    def_to_json (cfg->defs, handler);
+  }
+
+  yajl_gen_map_close (handler);
+
+  return (0);
+#undef yajl_gen_string_cast
+} /* }}} int graph_def_to_json */
+
+static int graph_sort_instances_cb (const void *v0, const void *v1) /* {{{ */
+{
+  return (inst_compare (*(graph_instance_t * const *) v0,
+        *(graph_instance_t * const *) v1));
+} /* }}} int graph_sort_instances_cb */
+
 int graph_sort_instances (graph_config_t *cfg) /* {{{ */
 {
   if (cfg == NULL)