[gnome-software] trivial: Add gs_category_to_string() for debugging

[Richard Hughes <rhughes src gnome org>]

commit c68b9deaf703979215939fd74dd09a35c1b9a7ea
Author: Richard Hughes <richard hughsie com>
Date:   Tue Jul 12 16:21:27 2016 +0100

    trivial: Add gs_category_to_string() for debugging

 src/gs-category-private.h |    1 +
 src/gs-category.c         |   50 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-category-private.h b/src/gs-category-private.h
index 1efdedc..a8de412 100644
--- a/src/gs-category-private.h
+++ b/src/gs-category-private.h
@@ -30,6 +30,7 @@ G_BEGIN_DECLS
 void            gs_category_sort_children      (GsCategory     *category);
 void            gs_category_set_size           (GsCategory     *category,
                                                 guint           size);
+gchar          *gs_category_to_string          (GsCategory     *category);
 
 G_END_DECLS
 
diff --git a/src/gs-category.c b/src/gs-category.c
index bcb1d4a..df90f1e 100644
--- a/src/gs-category.c
+++ b/src/gs-category.c
@@ -52,6 +52,56 @@ struct _GsCategory
 G_DEFINE_TYPE (GsCategory, gs_category, G_TYPE_OBJECT)
 
 /**
+ * gs_category_to_string:
+ * @category: a #GsCategory
+ *
+ * Returns a string representation of the category
+ *
+ * Returns: a string
+ **/
+gchar *
+gs_category_to_string (GsCategory *category)
+{
+       guint i;
+       GString *str = g_string_new (NULL);
+       g_string_append_printf (str, "GsCategory[%p]:\n", category);
+       g_string_append_printf (str, "  id: %s\n",
+                               category->id);
+       if (category->name != NULL) {
+               g_string_append_printf (str, "  name: %s\n",
+                                       category->name);
+       }
+       if (category->icon != NULL) {
+               g_string_append_printf (str, "  icon: %s\n",
+                                       category->icon);
+       }
+       g_string_append_printf (str, "  size: %i\n",
+                               category->size);
+       g_string_append_printf (str, "  key-colors: %i\n",
+                               category->key_colors->len);
+       g_string_append_printf (str, "  desktop-groups: %i\n",
+                               category->desktop_groups->len);
+       if (category->parent != NULL) {
+               g_string_append_printf (str, "  parent: %s\n",
+                                       gs_category_get_id (category->parent));
+       }
+       g_string_append_printf (str, "  important: %s\n",
+                               category->important ? "yes" : "no");
+       if (category->children->len == 0) {
+               g_string_append_printf (str, "  children: %i\n",
+                                       category->children->len);
+       } else {
+               g_string_append (str, "  children:\n");
+               for (i = 0; i < category->children->len; i++) {
+                       GsCategory *child = g_ptr_array_index (category->children, i);
+                       g_string_append_printf (str, "  - %s\n",
+                                               gs_category_get_id (child));
+               }
+       }
+       return g_string_free (str, FALSE);
+}
+
+/**
  * gs_category_get_size:
  * @category: a #GsCategory
  *