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#include <stdlib.h>
#include <stdio.h>
#include <json-glib/json-glib.h>
static const gchar *test_objects[] = {
"{ }",
"{ \"test\" : 42 }",
"{ \"foo\" : \"bar\", \"baz\" : null }",
"{ \"array\" : [ false, \"foo\" ], \"test\" : { \"foo\" : true } }"
};
static guint n_test_objects = G_N_ELEMENTS (test_objects);
static void print_array (gint indent, JsonArray *array);
static void print_value (gint indent, JsonNode *node);
static void print_object (gint indent, JsonObject *object);
static void
print_value (gint indent,
JsonNode *node)
{
gint j;
gchar indent_str[80];
GValue value = { 0, };
for (j = 0; j < indent; j++)
indent_str[j] = ' ';
indent_str[j] = '\0';
json_node_get_value (node, &value);
switch (G_VALUE_TYPE (&value))
{
case G_TYPE_INT:
g_print ("%sFound integer: `%d'\n",
indent_str,
g_value_get_int (&value));
break;
case G_TYPE_STRING:
g_print ("%sFound string: `%s'\n",
indent_str,
g_value_get_string (&value));
break;
case G_TYPE_FLOAT:
g_print ("%sFound float: `%f'\n",
indent_str,
g_value_get_float (&value));
break;
case G_TYPE_BOOLEAN:
g_print ("%sFound boolean: `%s'\n",
indent_str,
g_value_get_boolean (&value) ? "true" : "false");
break;
default:
g_print ("%sUnknown value\n", indent_str);
break;
}
g_value_unset (&value);
}
static void
print_array (gint indent,
JsonArray *array)
{
gint array_len = json_array_get_length (array);
gint j;
gchar indent_str[80];
for (j = 0; j < indent; j++)
indent_str[j] = ' ';
indent_str[j] = '\0';
if (array_len == 0)
{
g_print ("%sFound empty array\n", indent_str);
return;
}
for (j = 0; j < array_len; j++)
{
JsonNode *node = json_array_get_element (array, j);
switch (JSON_NODE_TYPE (node))
{
case JSON_NODE_ARRAY:
g_print ("%sFound array (index: %d, len: %d)\n",
indent_str,
j,
json_array_get_length (json_node_get_array (node)));
print_array (indent + 1, json_node_get_array (node));
break;
case JSON_NODE_OBJECT:
g_print ("%sFound object (index: %d, size: %d)\n",
indent_str,
j,
json_object_get_size (json_node_get_object (node)));
print_object (indent + 1, json_node_get_object (node));
break;
case JSON_NODE_VALUE:
g_print ("%sFound value (index: %d)\n", indent_str, j);
print_value (indent + 1, node);
break;
case JSON_NODE_NULL:
g_print ("%sFound null (index: %d)\n", indent_str, j);
break;
}
}
}
static void
print_object (gint indent,
JsonObject *object)
{
gint object_size = json_object_get_size (object);
gint j;
gchar indent_str[80];
GList *members, *l;
for (j = 0; j < indent; j++)
indent_str[j] = ' ';
indent_str[j] = '\0';
if (object_size == 0)
{
g_print ("%sFound empty object\n", indent_str);
return;
}
members = json_object_get_members (object);
for (l = members; l; l = l->next)
{
const gchar *name = l->data;
JsonNode *node = json_object_get_member (object, name);
switch (JSON_NODE_TYPE (node))
{
case JSON_NODE_ARRAY:
g_print ("%sFound array (member: `%s', len: %d)\n",
indent_str,
name,
json_array_get_length (json_node_get_array (node)));
print_array (indent + 1, json_node_get_array (node));
break;
case JSON_NODE_OBJECT:
g_print ("%sFound object (member: `%s', size: %d)\n",
indent_str,
name,
json_object_get_size (json_node_get_object (node)));
print_object (indent + 1, json_node_get_object (node));
break;
case JSON_NODE_VALUE:
g_print ("%sFound value (member: `%s')\n", indent_str, name);
print_value (indent + 1, node);
break;
case JSON_NODE_NULL:
g_print ("%sFound null (member: `%s')\n", indent_str, name);
break;
}
}
g_list_free (members);
}
int
main (int argc, char *argv[])
{
JsonParser *parser;
gint i;
g_type_init ();
parser = json_parser_new ();
for (i = 0; i < n_test_objects; i++)
{
GError *error = NULL;
JsonNode *node;
JsonObject *object;
if (!json_parser_load_from_data (parser, test_objects[i], -1, &error))
{
g_print ("* Error, test %d:\n"
"* \t%s:\n"
"* Message: %s\n",
i, test_objects[i], error->message);
g_error_free (error);
g_object_unref (parser);
return EXIT_FAILURE;
}
node = json_parser_get_root (parser);
g_assert (node != NULL);
g_assert (JSON_NODE_TYPE (node) == JSON_NODE_OBJECT);
object = json_node_get_object (node);
g_assert (object != NULL);
g_print ("*** Test %d ***\n", i);
print_object (1, object);
}
g_object_unref (parser);
return EXIT_SUCCESS;
}
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