C++ (Cpp) json_node_type_get_name Examples

Example #1

File: json-reader.c Project: dardevelin/json-glib

/**
 * json_reader_get_boolean_value:
 * @reader: a #JsonReader
 *
 * Retrieves the boolean value of the current position of @reader
 *
 * Return value: the boolean value
 *
 * Since: 0.12
 */
gboolean
json_reader_get_boolean_value (JsonReader *reader)
{
  JsonNode *node;

  g_return_val_if_fail (JSON_IS_READER (reader), FALSE);
  json_reader_return_val_if_error_set (reader, FALSE);

  if (reader->priv->current_node == NULL)
    {
      json_reader_set_error (reader, JSON_READER_ERROR_INVALID_NODE,
                             _("No node available at the current position"));
      return FALSE;
    }

  node = reader->priv->current_node;

  if (!JSON_NODE_HOLDS_VALUE (node))
    {
      json_reader_set_error (reader, JSON_READER_ERROR_NO_VALUE,
                             _("The current position holds a '%s' and not a value"),
                             json_node_type_get_name (JSON_NODE_TYPE (node)));
      return FALSE;
    }

  return json_node_get_boolean (node);
}

Example #2

File: json-reader.c Project: dardevelin/json-glib

/**
 * json_reader_count_members:
 * @reader: a #JsonReader
 *
 * Counts the members of the current position, if @reader is
 * positioned on an object
 *
 * Return value: the number of members, or -1. In case of failure
 *   the #JsonReader is set in an error state
 *
 * Since: 0.12
 */
gint
json_reader_count_members (JsonReader *reader)
{
  JsonReaderPrivate *priv;

  g_return_val_if_fail (JSON_IS_READER (reader), -1);

  priv = reader->priv;

  if (priv->current_node == NULL)
    {
      json_reader_set_error (reader, JSON_READER_ERROR_INVALID_NODE,
                             _("No node available at the current position"));
      return -1;
    }

  if (!JSON_NODE_HOLDS_OBJECT (priv->current_node))
    {
      json_reader_set_error (reader, JSON_READER_ERROR_NO_OBJECT,
                             _("The current position holds a '%s' and not an object"),
                             json_node_type_get_name (JSON_NODE_TYPE (priv->current_node)));
      return -1;
    }

  return json_object_get_size (json_node_get_object (priv->current_node));
}

Example #3

File: json-reader.c Project: dardevelin/json-glib

/**
 * json_reader_get_string_value:
 * @reader: a #JsonReader
 *
 * Retrieves the string value of the current position of @reader
 *
 * Return value: the string value
 *
 * Since: 0.12
 */
const gchar *
json_reader_get_string_value (JsonReader *reader)
{
  JsonNode *node;

  g_return_val_if_fail (JSON_IS_READER (reader), NULL);
  json_reader_return_val_if_error_set (reader, NULL);

  if (reader->priv->current_node == NULL)
    {
      json_reader_set_error (reader, JSON_READER_ERROR_INVALID_NODE,
                             _("No node available at the current position"));
      return NULL;
    }

  node = reader->priv->current_node;

  if (!JSON_NODE_HOLDS_VALUE (node))
    {
      json_reader_set_error (reader, JSON_READER_ERROR_NO_VALUE,
                             _("The current position holds a '%s' and not a value"),
                             json_node_type_get_name (JSON_NODE_TYPE (node)));
      return NULL;
    }

  if (json_node_get_value_type (node) != G_TYPE_STRING)
    {
      json_reader_set_error (reader, JSON_READER_ERROR_INVALID_TYPE,
                             _("The current position does not hold a string type"));
      return NULL;
    }

  return json_node_get_string (reader->priv->current_node);
}

Example #4

File: json-reader.c Project: dardevelin/json-glib

/**
 * json_reader_count_elements:
 * @reader: a #JsonReader
 *
 * Counts the elements of the current position, if @reader is
 * positioned on an array
 *
 * Return value: the number of elements, or -1. In case of failure
 *   the #JsonReader is set in an error state
 *
 * Since: 0.12
 */
gint
json_reader_count_elements (JsonReader *reader)
{
  JsonReaderPrivate *priv;

  g_return_val_if_fail (JSON_IS_READER (reader), -1);

  priv = reader->priv;

  if (priv->current_node == NULL)
    {
      json_reader_set_error (reader, JSON_READER_ERROR_INVALID_NODE,
                             _("No node available at the current position"));
      return -1;
    }

  if (!JSON_NODE_HOLDS_ARRAY (priv->current_node))
    {
      json_reader_set_error (reader, JSON_READER_ERROR_NO_ARRAY,
                             _("The current position holds a '%s' and not an array"),
                             json_node_type_get_name (JSON_NODE_TYPE (priv->current_node)));
      return -1;
    }

  return json_array_get_length (json_node_get_array (priv->current_node));
}

Example #5

File: json-node.c Project: mspanc/json-glib

/**
 * json_node_type_name:
 * @node: a #JsonNode
 *
 * Retrieves the user readable name of the data type contained by @node.
 *
 * Return value: a string containing the name of the type. The returned string
 *   is owned by the node and should never be modified or freed
 */
const gchar *
json_node_type_name (JsonNode *node)
{
  g_return_val_if_fail (node != NULL, "(null)");

  switch (node->type)
    {
    case JSON_NODE_OBJECT:
    case JSON_NODE_ARRAY:
    case JSON_NODE_NULL:
      return json_node_type_get_name (node->type);

    case JSON_NODE_VALUE:
      if (node->data.value)
        return json_value_type_get_name (node->data.value->type);
    }

  return "unknown";
}