1 files changed, 103 insertions, 0 deletions
diff --git a/json-glib/json-utils.c b/json-glib/json-utils.c
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+/* json-utils.c - JSON utility API
+ * 
+ * This file is part of JSON-GLib
+ * Copyright 2015  Emmanuele Bassi
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * SECTION:json-utils
+ * @Title: Utility API
+ * @Short_description: Various utility functions
+ *
+ * Various utility functions.
+ */
+
+#include "config.h"
+
+#include "json-utils.h"
+#include "json-parser.h"
+#include "json-generator.h"
+
+/**
+ * json_from_string:
+ * @str: a valid UTF-8 string containing JSON data
+ * @error: return location for a #GError
+ *
+ * Parses the string in @str and returns a #JsonNode representing
+ * the JSON tree.
+ *
+ * In case of parsing error, this function returns %NULL and sets
+ * @error appropriately.
+ *
+ * Returns: (transfer full): a #JsonNode, or %NULL
+ *
+ * Since: 1.2
+ */
+JsonNode *
+json_from_string (const char  *str,
+                  GError     **error)
+{
+  JsonParser *parser;
+  JsonNode *retval;
+
+  g_return_val_if_fail (str != NULL, NULL);
+
+  error = NULL;
+  parser = json_parser_new ();
+  if (!json_parser_load_from_data (parser, str, -1, error))
+    {
+      g_object_unref (parser);
+      return NULL;
+    }
+
+  retval = json_node_copy (json_parser_get_root (parser));
+
+  g_object_unref (parser);
+
+  return retval;
+}
+
+/**
+ * json_to_string:
+ * @node: a #JsonNode
+ * @pretty: whether the output should be prettyfied for printing
+ *
+ * Generates a stringified JSON representation of the contents of
+ * the passed @node.
+ *
+ * Returns: (transfer full): the string representation of the #JsonNode
+ *
+ * Since: 1.2
+ */
+char *
+json_to_string (JsonNode *node,
+                gboolean  pretty)
+{
+  JsonGenerator *generator;
+  char *retval;
+
+  g_return_val_if_fail (node != NULL, NULL);
+
+  generator = json_generator_new ();
+  json_generator_set_pretty (generator, pretty);
+  json_generator_set_root (generator, node);
+
+  retval = json_generator_to_data (generator, NULL);
+
+  g_object_unref (generator);
+
+  return retval;
+}