[project @ 7ac4cc6615b71fb0668040d9d49dfdca41510a2e]

Add some small LM utilities

20061120133748-93b9a-e56a10a6d946148917e60fb3a542a492c4f45661.gz

1 files changed, 122 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
new file mode 100644
index 00000000..68072453
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,122 @@
+/*
+ * util.c - Source for Gabble utility functions
+ * Copyright (C) 2006 Collabora Ltd.
+ * Copyright (C) 2006 Nokia Corporation
+ *   @author Robert McQueen <robert.mcqueen@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <glib.h>
+#include <string.h>
+
+#include "util.h"
+
+static gboolean
+g_strdiff (const gchar *left, const gchar *right)
+{
+  if ((NULL == left) != (NULL == right))
+    return TRUE;
+
+  else if (left == right)
+    return FALSE;
+
+  else
+    return (0 != strcmp (left, right));
+}
+
+void
+lm_message_node_steal_children (LmMessageNode *snatcher,
+                                LmMessageNode *mum)
+{
+  LmMessageNode *baby;
+
+  g_return_if_fail (snatcher->children == NULL);
+
+  if (mum->children == NULL)
+    return;
+
+  snatcher->children = mum->children;
+  mum->children = NULL;
+
+  for (baby = snatcher->children;
+       baby != NULL;
+       baby = baby->next)
+    baby->parent = snatcher;
+}
+
+gboolean
+lm_message_node_has_namespace (LmMessageNode *node,
+                               const gchar *ns,
+                               const gchar *tag)
+{
+  gchar *attribute = NULL;
+  const gchar *node_ns;
+  gboolean ret;
+
+  if (tag != NULL)
+    attribute = g_strconcat ("xmlns:", tag, NULL);
+
+  node_ns = lm_message_node_get_attribute (node,
+      tag != NULL ? attribute : "xmlns");
+
+  ret = !g_strdiff (node_ns, ns);
+
+  g_free (attribute);
+
+  return ret;
+}
+
+LmMessageNode *
+lm_message_node_get_child_with_namespace (LmMessageNode *node,
+                                          const gchar *name,
+                                          const gchar *ns)
+{
+  LmMessageNode *tmp;
+
+  for (tmp = node->children;
+       tmp != NULL;
+       tmp = tmp->next)
+    {
+      gchar *tag = NULL;
+      gboolean found;
+
+      if (g_strdiff (tmp->name, name))
+        {
+          const gchar *suffix;
+
+          suffix = strchr (tmp->name, ':');
+
+          if (suffix == NULL)
+            continue;
+          else
+            suffix++;
+
+          if (g_strdiff (suffix, name))
+            continue;
+
+          tag = g_strndup (tmp->name, suffix - tmp->name - 1);
+        }
+
+      found = lm_message_node_has_namespace (tmp, ns, tag);
+
+      g_free (tag);
+
+      if (found)
+        return tmp;
+    }
+
+  return NULL;
+}