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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. If @str is empty, this function will return %NULL.
*
* In case of parsing error, this function returns %NULL and sets
* @error appropriately.
*
* Returns: (transfer full) (nullable): 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);
parser = json_parser_new ();
if (!json_parser_load_from_data (parser, str, -1, error))
{
g_object_unref (parser);
return NULL;
}
retval = json_parser_steal_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;
}
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