[tracker/wip/carlosg/gi-docgen: 17/26] docs: Refactor common utils to separate file
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [tracker/wip/carlosg/gi-docgen: 17/26] docs: Refactor common utils to separate file
- Date: Sun, 6 Jun 2021 23:53:25 +0000 (UTC)
commit 5d38d43dbd7b2d4d543ae0ad667eceeb61a6163a
Author: Carlos Garnacho <carlosg gnome org>
Date: Mon May 31 00:44:03 2021 +0200
docs: Refactor common utils to separate file
We'll want to generate different document formats, the printing
of the hierarchy tree can be abstraced into a common helper.
docs/tools/meson.build | 1 +
docs/tools/tracker-utils.c | 391 +++++++++++++++++++++++++++++++++++++++++++
docs/tools/tracker-utils.h | 41 +++++
docs/tools/ttlresource2xml.c | 367 +---------------------------------------
4 files changed, 435 insertions(+), 365 deletions(-)
---
diff --git a/docs/tools/meson.build b/docs/tools/meson.build
index 6e7ad958e..8eb2aeec7 100644
--- a/docs/tools/meson.build
+++ b/docs/tools/meson.build
@@ -4,6 +4,7 @@ doctool_gresources = gnome.compile_resources('tracker_doctool_gresources', 'dsc-
doctool_files = [
'tracker-ontology-model.c',
+ 'tracker-utils.c',
'ttl_xml.c',
'ttlresource2xml.c',
'ttl2xml.c',
diff --git a/docs/tools/tracker-utils.c b/docs/tools/tracker-utils.c
new file mode 100644
index 000000000..bf72a8de3
--- /dev/null
+++ b/docs/tools/tracker-utils.c
@@ -0,0 +1,391 @@
+/*
+ * Copyright (C) 2015, Carlos Garnacho
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * Authors: Carlos Garnacho <carlosg gnome org>
+ */
+
+#include <glib-object.h>
+#include <glib/gprintf.h>
+#include <gio/gio.h>
+#include <stdlib.h>
+
+#include "tracker-utils.h"
+
+static void
+class_get_parent_hierarchy (TrackerOntologyModel *model,
+ const gchar *class_name,
+ GList **list)
+{
+ TrackerOntologyClass *klass;
+ GList *l, *elem;
+
+ /* Ensure we only got the same class there once */
+ elem = g_list_find_custom (*list, class_name,
+ (GCompareFunc) g_strcmp0);
+ if (elem)
+ *list = g_list_delete_link (*list, elem);
+ *list = g_list_prepend (*list, (gpointer) class_name);
+
+ klass = tracker_ontology_model_get_class (model, class_name);
+ if (!klass)
+ return;
+
+
+ for (l = klass->superclasses; l; l = l->next) {
+ class_get_parent_hierarchy (model, l->data, list);
+ }
+}
+
+static GList *
+class_get_hierarchy (TrackerOntologyModel *model,
+ TrackerOntologyClass *klass)
+{
+ GList *hierarchy = NULL, *l;
+
+ /* Order is: parents, this class, and children. Guaranteed
+ * to be in an order where all parents are before a child.
+ * We first prepend all children, and then find out the
+ * upwards hierarchy recursively.
+ */
+ for (l = klass->subclasses; l; l = l->next) {
+ hierarchy = g_list_prepend (hierarchy, l->data);
+ }
+
+ class_get_parent_hierarchy (model, klass->classname, &hierarchy);
+
+ return hierarchy;
+}
+
+typedef struct {
+ TrackerOntologyClass *class;
+ GList *hierarchy;
+ GHashTable *resolved_children;
+ GHashTable *resolved_parents;
+ GHashTable *placed;
+ GPtrArray *strings;
+} HierarchyContext;
+
+static HierarchyString *
+hierarchy_string_new (void)
+{
+ HierarchyString *str;
+
+ str = g_new0 (HierarchyString, 1);
+ str->str = g_string_new ("");
+
+ return str;
+}
+
+static void
+hierarchy_string_free (HierarchyString *str)
+{
+ g_string_free (str->str, TRUE);
+ g_free (str);
+}
+
+static void
+hierarchy_string_append (HierarchyString *str,
+ const gchar *substr)
+{
+ g_string_append (str->str, substr);
+ str->visible_len += g_utf8_strlen (substr, -1);
+}
+
+static void
+hierarchy_string_append_link (HierarchyString *str,
+ const gchar *substr,
+ const gchar *link,
+ gboolean bold)
+{
+ if (bold)
+ g_string_append_printf (str->str, "<emphasis><link linkend=\"%s\">%s</link></emphasis>",
+ link, substr);
+ else
+ g_string_append_printf (str->str, "<link linkend=\"%s\">%s</link>", link, substr);
+
+ str->visible_len += g_utf8_strlen (substr, -1);
+}
+
+static GList *
+list_filter (GList *original,
+ GList *valid)
+{
+ GList *l, *filtered = NULL;
+
+ for (l = original; l; l = l->next) {
+ if (!g_list_find_custom (valid, l->data,
+ (GCompareFunc) g_strcmp0))
+ continue;
+
+ filtered = g_list_prepend (filtered, l->data);
+ }
+
+ return filtered;
+}
+
+static HierarchyContext *
+hierarchy_context_new (TrackerOntologyClass *klass,
+ TrackerOntologyModel *model)
+{
+ HierarchyContext *context;
+ GList *l;
+
+ context = g_new0 (HierarchyContext, 1);
+ context->class = klass;
+ context->hierarchy = class_get_hierarchy (model, klass);
+ context->placed = g_hash_table_new (g_str_hash, g_str_equal);
+ context->resolved_parents = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ NULL,
+ (GDestroyNotify) g_list_free);
+ context->resolved_children = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ NULL,
+ (GDestroyNotify) g_list_free);
+ context->strings = g_ptr_array_new_with_free_func ((GDestroyNotify) hierarchy_string_free);
+
+ for (l = context->hierarchy; l; l = l->next) {
+ TrackerOntologyClass *cl = tracker_ontology_model_get_class (model, l->data);
+
+ g_hash_table_insert (context->resolved_parents,
+ cl->classname,
+ list_filter (cl->superclasses,
+ context->hierarchy));
+ g_hash_table_insert (context->resolved_children,
+ cl->classname,
+ list_filter (cl->subclasses,
+ context->hierarchy));
+
+ g_ptr_array_add (context->strings, hierarchy_string_new ());
+ }
+
+ return context;
+}
+
+static void
+hierarchy_context_free (HierarchyContext *context)
+{
+ g_list_free (context->hierarchy);
+ g_ptr_array_unref (context->strings);
+ g_hash_table_unref (context->placed);
+ g_hash_table_unref (context->resolved_parents);
+ g_hash_table_unref (context->resolved_children);
+ g_free (context);
+}
+
+static GList *
+hierarchy_context_get_single_parented_children (HierarchyContext *context,
+ TrackerOntologyClass *klass,
+ TrackerOntologyModel *model)
+{
+ GList *filtered = NULL, *children, *l;
+
+ children = g_hash_table_lookup (context->resolved_children,
+ klass->classname);
+
+ for (l = children; l; l = l->next) {
+ GList *parents;
+
+ parents = g_hash_table_lookup (context->resolved_parents, l->data);
+
+ if (g_list_length (parents) == 1)
+ filtered = g_list_prepend (filtered, l->data);
+ }
+
+ return filtered;
+}
+
+static void
+fill_padding (HierarchyString *str,
+ gint max_len,
+ gchar *substr)
+{
+ gint padding = max_len - str->visible_len;
+
+ if (padding <= 0)
+ return;
+
+ while (padding > 0) {
+ hierarchy_string_append (str, substr);
+ padding--;
+ }
+}
+
+static gboolean
+check_parents_placed (GList *parents,
+ GHashTable *ht)
+{
+ GList *l;
+
+ for (l = parents; l; l = l->next) {
+ if (!g_hash_table_lookup (ht, l->data))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+hierarchy_context_resolve_class (HierarchyContext *context,
+ TrackerOntologyClass *klass,
+ TrackerOntologyModel *model)
+{
+ GList *l = g_list_find_custom (context->hierarchy, klass->classname,
+ (GCompareFunc) g_strcmp0);
+ gint pos = g_list_position (context->hierarchy, l);
+ GList *children, *parents;
+ const gchar *shortname, *link;
+ HierarchyString *str;
+ gboolean is_child;
+
+ if (pos < 0)
+ return;
+
+ shortname = link = klass->shortname;
+ parents = g_hash_table_lookup (context->resolved_parents,
+ klass->classname);
+
+ if (g_list_length (parents) > 1) {
+ gboolean first_pending = TRUE;
+ gint i, max_len = 0;
+
+ /* This class has more than one parent in the current graph,
+ * those paint the lines on the right side.
+ */
+
+ /* Step 1: Find the longest string */
+ first_pending = TRUE;
+ for (i = 0, l = context->hierarchy; i < pos && l; i++, l = l->next) {
+ is_child = g_list_find_custom (klass->superclasses, l->data,
+ (GCompareFunc) g_strcmp0) != NULL;
+ if (!is_child && first_pending)
+ continue;
+
+ str = g_ptr_array_index (context->strings, i);
+ max_len = MAX (max_len, str->visible_len);
+ }
+
+ /* Step 2: append the line art, we must fill in some padding if
+ * necessary.
+ */
+ first_pending = TRUE;
+ for (i = 0, l = context->hierarchy; i < pos && l; i++, l = l->next) {
+ is_child = g_list_find_custom (klass->superclasses, l->data,
+ (GCompareFunc) g_strcmp0) != NULL;
+
+ if (!is_child && first_pending)
+ continue;
+
+ str = g_ptr_array_index (context->strings, i);
+
+ fill_padding (str, max_len, is_child ? "─" : " ");
+
+ if (first_pending) {
+ hierarchy_string_append (str, "──┐");
+ first_pending = FALSE;
+ } else if (is_child) {
+ hierarchy_string_append (str, "──┤");
+ } else {
+ hierarchy_string_append (str, " │");
+ }
+ }
+
+ /* Step 3: Finally, print the current class */
+ str = g_ptr_array_index (context->strings, pos);
+ fill_padding (str, max_len - 1, " ");
+
+ hierarchy_string_append (str, " └── ");
+ hierarchy_string_append_link (str, shortname, link, klass == context->class);
+ hierarchy_string_append (str, " ");
+ } else {
+ /* The current class has only 1 parent, lineart for those is
+ * displayed on the left side.
+ */
+
+ /* Step 1: Print the current class */
+ str = g_ptr_array_index (context->strings, pos);
+ hierarchy_string_append_link (str, shortname, link, klass == context->class);
+ hierarchy_string_append (str, " ");
+
+ /* Step 2: Modify all strings downwards, adding the lineart
+ * necessary for all children of this class.
+ */
+ children = hierarchy_context_get_single_parented_children (context, klass, model);
+ l = l->next;
+ pos++;
+
+ for (; l; l = l->next, pos++) {
+ guint len = g_list_length (children);
+ GList *cur;
+
+ str = g_ptr_array_index (context->strings, pos);
+ cur = g_list_find_custom (children, l->data,
+ (GCompareFunc) g_strcmp0);
+ is_child = (cur != NULL);
+
+ if (is_child) {
+ if (len > 1)
+ hierarchy_string_append (str, "├── ");
+ else if (len == 1)
+ hierarchy_string_append (str, "╰── ");
+
+ children = g_list_delete_link (children, cur);
+ g_hash_table_insert (context->placed,
+ l->data, GINT_TO_POINTER (TRUE));
+ } else {
+ if (len > 0)
+ hierarchy_string_append (str, "│ ");
+ else if (len == 0 &&
+ !g_hash_table_lookup (context->placed, l->data)) {
+ GList *cl_parents;
+
+ cl_parents = g_hash_table_lookup (context->resolved_parents, l->data);
+
+ if (g_list_length (cl_parents) == 1 ||
+ !check_parents_placed (cl_parents, context->placed)) {
+ hierarchy_string_append (str, " ");
+ }
+ }
+ }
+ }
+ }
+}
+
+GPtrArray *
+class_get_parent_hierarchy_strings (TrackerOntologyClass *klass,
+ TrackerOntologyModel *model)
+{
+ HierarchyContext *context;
+ GList *c;
+ GPtrArray *strings = NULL;
+
+ context = hierarchy_context_new (klass, model);
+
+ /* Proceed from parent to child classes, populating the
+ * context->strings array.
+ */
+ for (c = context->hierarchy; c; c = c->next) {
+ TrackerOntologyClass *cl = tracker_ontology_model_get_class (model, c->data);
+ hierarchy_context_resolve_class (context, cl, model);
+ }
+
+ strings = g_ptr_array_ref (context->strings);
+ hierarchy_context_free (context);
+
+ return strings;
+}
diff --git a/docs/tools/tracker-utils.h b/docs/tools/tracker-utils.h
new file mode 100644
index 000000000..9c7365ca7
--- /dev/null
+++ b/docs/tools/tracker-utils.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017, Red Hat, Inc
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * Author: Carlos Garnacho <carlosg gnome org>
+ */
+
+#ifndef TRACKER_UTILS_H
+#define TRACKER_UTILS_H
+
+#include <glib.h>
+#include "tracker-ontology-model.h"
+
+G_BEGIN_DECLS
+
+typedef struct {
+ GString *str;
+ gint visible_len;
+} HierarchyString;
+
+GPtrArray *
+class_get_parent_hierarchy_strings (TrackerOntologyClass *klass,
+ TrackerOntologyModel *model);
+
+G_END_DECLS
+
+#endif /* TRACKER_UTILS_H */
diff --git a/docs/tools/ttlresource2xml.c b/docs/tools/ttlresource2xml.c
index 446a8f8b2..84fef3cca 100644
--- a/docs/tools/ttlresource2xml.c
+++ b/docs/tools/ttlresource2xml.c
@@ -23,51 +23,12 @@
#include <glib/gprintf.h>
#include <gio/gio.h>
#include <stdlib.h>
+
#include "tracker-ontology-model.h"
+#include "tracker-utils.h"
#include "ttl_xml.h"
#include "ttlresource2xml.h"
-static void
-class_get_parent_hierarchy (TrackerOntologyModel *model,
- const gchar *class_name,
- GList **list)
-{
- TrackerOntologyClass *klass;
- GList *l;
-
- /* Ensure we only got the same class there once */
- *list = g_list_remove (*list, (gpointer) class_name);
- *list = g_list_prepend (*list, (gpointer) class_name);
-
- klass = tracker_ontology_model_get_class (model, class_name);
- if (!klass)
- return;
-
- for (l = klass->superclasses; l; l = l->next) {
- class_get_parent_hierarchy (model, l->data, list);
- }
-}
-
-static GList *
-class_get_hierarchy (TrackerOntologyModel *model,
- TrackerOntologyClass *klass)
-{
- GList *hierarchy = NULL, *l;
-
- /* Order is: parents, this class, and children. Guaranteed
- * to be in an order where all parents are before a child.
- * We first prepend all children, and then find out the
- * upwards hierarchy recursively.
- */
- for (l = klass->subclasses; l; l = l->next) {
- hierarchy = g_list_prepend (hierarchy, l->data);
- }
-
- class_get_parent_hierarchy (model, klass->classname, &hierarchy);
-
- return hierarchy;
-}
-
static void
print_predefined_instances (FILE *f,
TrackerOntologyClass *klass,
@@ -95,330 +56,6 @@ print_predefined_instances (FILE *f,
g_fprintf (f, "</itemizedlist></para></refsect3>\n");
}
-typedef struct {
- GString *str;
- gint visible_len;
-} HierarchyString;
-
-typedef struct {
- TrackerOntologyClass *class;
- GList *hierarchy;
- GHashTable *resolved_children;
- GHashTable *resolved_parents;
- GHashTable *placed;
- GPtrArray *strings;
-} HierarchyContext;
-
-static HierarchyString *
-hierarchy_string_new (void)
-{
- HierarchyString *str;
-
- str = g_new0 (HierarchyString, 1);
- str->str = g_string_new ("");
-
- return str;
-}
-
-static void
-hierarchy_string_free (HierarchyString *str)
-{
- g_string_free (str->str, TRUE);
- g_free (str);
-}
-
-static void
-hierarchy_string_append (HierarchyString *str,
- const gchar *substr)
-{
- g_string_append (str->str, substr);
- str->visible_len += g_utf8_strlen (substr, -1);
-}
-
-static void
-hierarchy_string_append_link (HierarchyString *str,
- const gchar *substr,
- const gchar *link,
- gboolean bold)
-{
- if (bold)
- g_string_append_printf (str->str, "<emphasis><link linkend=\"%s\">%s</link></emphasis>",
- link, substr);
- else
- g_string_append_printf (str->str, "<link linkend=\"%s\">%s</link>", link, substr);
-
- str->visible_len += g_utf8_strlen (substr, -1);
-}
-
-static GList *
-list_filter (GList *original,
- GList *valid)
-{
- GList *l, *filtered = NULL;
-
- for (l = original; l; l = l->next) {
- if (!g_list_find_custom (valid, l->data,
- (GCompareFunc) g_strcmp0))
- continue;
-
- filtered = g_list_prepend (filtered, l->data);
- }
-
- return filtered;
-}
-
-static HierarchyContext *
-hierarchy_context_new (TrackerOntologyClass *klass,
- TrackerOntologyModel *model)
-{
- HierarchyContext *context;
- GList *l;
-
- context = g_new0 (HierarchyContext, 1);
- context->class = klass;
- context->hierarchy = class_get_hierarchy (model, klass);
- context->placed = g_hash_table_new (g_str_hash, g_str_equal);
- context->resolved_parents = g_hash_table_new_full (g_str_hash,
- g_str_equal,
- NULL,
- (GDestroyNotify) g_list_free);
- context->resolved_children = g_hash_table_new_full (g_str_hash,
- g_str_equal,
- NULL,
- (GDestroyNotify) g_list_free);
- context->strings = g_ptr_array_new_with_free_func ((GDestroyNotify) hierarchy_string_free);
-
- for (l = context->hierarchy; l; l = l->next) {
- TrackerOntologyClass *cl = tracker_ontology_model_get_class (model, l->data);
-
- g_hash_table_insert (context->resolved_parents,
- cl->classname,
- list_filter (cl->superclasses,
- context->hierarchy));
- g_hash_table_insert (context->resolved_children,
- cl->classname,
- list_filter (cl->subclasses,
- context->hierarchy));
-
- g_ptr_array_add (context->strings, hierarchy_string_new ());
- }
-
- return context;
-}
-
-static void
-hierarchy_context_free (HierarchyContext *context)
-{
- g_list_free (context->hierarchy);
- g_ptr_array_unref (context->strings);
- g_hash_table_unref (context->placed);
- g_hash_table_unref (context->resolved_parents);
- g_hash_table_unref (context->resolved_children);
- g_free (context);
-}
-
-static GList *
-hierarchy_context_get_single_parented_children (HierarchyContext *context,
- TrackerOntologyClass *klass,
- TrackerOntologyModel *model)
-{
- GList *filtered = NULL, *children, *l;
-
- children = g_hash_table_lookup (context->resolved_children,
- klass->classname);
-
- for (l = children; l; l = l->next) {
- GList *parents;
-
- parents = g_hash_table_lookup (context->resolved_parents, l->data);
-
- if (g_list_length (parents) == 1)
- filtered = g_list_prepend (filtered, l->data);
- }
-
- return filtered;
-}
-
-static void
-fill_padding (HierarchyString *str,
- gint max_len,
- gchar *substr)
-{
- gint padding = max_len - str->visible_len;
-
- if (padding <= 0)
- return;
-
- while (padding > 0) {
- hierarchy_string_append (str, substr);
- padding--;
- }
-}
-
-static gboolean
-check_parents_placed (GList *parents,
- GHashTable *ht)
-{
- GList *l;
-
- for (l = parents; l; l = l->next) {
- if (!g_hash_table_lookup (ht, l->data))
- return FALSE;
- }
-
- return TRUE;
-}
-
-static void
-hierarchy_context_resolve_class (HierarchyContext *context,
- TrackerOntologyClass *klass,
- TrackerOntologyModel *model)
-{
- GList *l = g_list_find_custom (context->hierarchy, klass->classname,
- (GCompareFunc) g_strcmp0);
- gint pos = g_list_position (context->hierarchy, l);
- GList *children, *parents;
- const gchar *shortname, *link;
- HierarchyString *str;
- gboolean is_child;
-
- if (pos < 0)
- return;
-
- shortname = link = klass->shortname;
- parents = g_hash_table_lookup (context->resolved_parents,
- klass->classname);
-
- if (g_list_length (parents) > 1) {
- gboolean first_pending = TRUE;
- gint i, max_len = 0;
-
- /* This class has more than one parent in the current graph,
- * those paint the lines on the right side.
- */
-
- /* Step 1: Find the longest string */
- first_pending = TRUE;
- for (i = 0, l = context->hierarchy; i < pos && l; i++, l = l->next) {
- is_child = g_list_find_custom (klass->superclasses, l->data,
- (GCompareFunc) g_strcmp0) != NULL;
- if (!is_child && first_pending)
- continue;
-
- str = g_ptr_array_index (context->strings, i);
- max_len = MAX (max_len, str->visible_len);
- }
-
- /* Step 2: append the line art, we must fill in some padding if
- * necessary.
- */
- first_pending = TRUE;
- for (i = 0, l = context->hierarchy; i < pos && l; i++, l = l->next) {
- is_child = g_list_find_custom (klass->superclasses, l->data,
- (GCompareFunc) g_strcmp0) != NULL;
-
- if (!is_child && first_pending)
- continue;
-
- str = g_ptr_array_index (context->strings, i);
-
- fill_padding (str, max_len, is_child ? "─" : " ");
-
- if (first_pending) {
- hierarchy_string_append (str, "──┐");
- first_pending = FALSE;
- } else if (is_child) {
- hierarchy_string_append (str, "──┤");
- } else {
- hierarchy_string_append (str, " │");
- }
- }
-
- /* Step 3: Finally, print the current class */
- str = g_ptr_array_index (context->strings, pos);
- fill_padding (str, max_len - 1, " ");
-
- hierarchy_string_append (str, " └── ");
- hierarchy_string_append_link (str, shortname, link, klass == context->class);
- hierarchy_string_append (str, " ");
- } else {
- /* The current class has only 1 parent, lineart for those is
- * displayed on the left side.
- */
-
- /* Step 1: Print the current class */
- str = g_ptr_array_index (context->strings, pos);
- hierarchy_string_append_link (str, shortname, link, klass == context->class);
- hierarchy_string_append (str, " ");
-
- /* Step 2: Modify all strings downwards, adding the lineart
- * necessary for all children of this class.
- */
- children = hierarchy_context_get_single_parented_children (context, klass, model);
- l = l->next;
- pos++;
-
- for (; l; l = l->next, pos++) {
- guint len = g_list_length (children);
- GList *cur;
-
- str = g_ptr_array_index (context->strings, pos);
- cur = g_list_find_custom (children, l->data,
- (GCompareFunc) g_strcmp0);
- is_child = (cur != NULL);
-
- if (is_child) {
- if (len > 1)
- hierarchy_string_append (str, "├── ");
- else if (len == 1)
- hierarchy_string_append (str, "╰── ");
-
- children = g_list_delete_link (children, cur);
- g_hash_table_insert (context->placed,
- l->data, GINT_TO_POINTER (TRUE));
- } else {
- if (len > 0)
- hierarchy_string_append (str, "│ ");
- else if (len == 0 &&
- !g_hash_table_lookup (context->placed, l->data)) {
- GList *cl_parents;
-
- cl_parents = g_hash_table_lookup (context->resolved_parents, l->data);
-
- if (g_list_length (cl_parents) == 1 ||
- !check_parents_placed (cl_parents, context->placed)) {
- hierarchy_string_append (str, " ");
- }
- }
- }
- }
- }
-}
-
-static GPtrArray *
-class_get_parent_hierarchy_strings (TrackerOntologyClass *klass,
- TrackerOntologyModel *model)
-{
- HierarchyContext *context;
- GList *c;
- GPtrArray *strings = NULL;
-
- context = hierarchy_context_new (klass, model);
-
- /* Proceed from parent to child classes, populating the
- * context->strings array.
- */
- for (c = context->hierarchy; c; c = c->next) {
- TrackerOntologyClass *cl = tracker_ontology_model_get_class (model, c->data);
- hierarchy_context_resolve_class (context, cl, model);
- }
-
- strings = g_ptr_array_ref (context->strings);
- hierarchy_context_free (context);
-
- return strings;
-}
-
static void
print_class_hierarchy (FILE *f,
TrackerOntologyClass *klass,
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