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/* json-glib-validate - Checks JSON data for errors
*
* This file is part of JSON-GLib
*
* Copyright © 2013 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/>.
*
* Author:
* Emmanuele Bassi <ebassi@gnome.org>
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <locale.h>
#include <errno.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <json-glib/json-glib.h>
static char **files = NULL;
static GOptionEntry entries[] = {
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &files, NULL, NULL },
{ NULL },
};
static gboolean
validate (JsonParser *parser,
GFile *file)
{
GInputStream *in;
GError *error;
gboolean res = TRUE;
gboolean parse_res;
gboolean close_res;
error = NULL;
in = (GInputStream *) g_file_read (file, NULL, &error);
if (in == NULL)
{
/* Translators: the first %s is the program name, the second one
* is the URI of the file, the third is the error message.
*/
g_printerr (_("%s: %s: error opening file: %s\n"),
g_get_prgname (), g_file_get_uri (file), error->message);
g_error_free (error);
return FALSE;
}
parse_res = json_parser_load_from_stream (parser, in, NULL, &error);
if (!parse_res)
{
/* Translators: the first %s is the program name, the second one
* is the URI of the file, the third is the error message.
*/
g_printerr (_("%s: %s: error parsing file: %s\n"),
g_get_prgname (), g_file_get_uri (file), error->message);
g_clear_error (&error);
res = FALSE;
}
close_res = g_input_stream_close (in, NULL, &error);
if (!close_res)
{
/* Translators: the first %s is the program name, the second one
* is the URI of the file, the third is the error message.
*/
g_printerr (_("%s: %s: error closing: %s\n"),
g_get_prgname (), g_file_get_uri (file), error->message);
g_clear_error (&error);
res = FALSE;
}
return res;
}
int
main (int argc,
char *argv[])
{
GOptionContext *context = NULL;
GError *error = NULL;
const char *description;
const char *summary;
gchar *param;
JsonParser *parser;
gboolean res;
int i;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, JSON_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
param = g_strdup_printf (("%s..."), _("FILE"));
/* Translators: this message will appear after the usage string */
/* and before the list of options. */
summary = _("Validate JSON files.");
description = _("json-glib-validate validates JSON data at the given URI.");
context = g_option_context_new (param);
g_option_context_set_summary (context, summary);
g_option_context_set_description (context, description);
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
g_option_context_parse (context, &argc, &argv, &error);
g_option_context_free (context);
g_free (param);
if (error != NULL)
{
/* Translators: the %s is the program name. This error message
* means the user is calling json-glib-validate without any
* argument.
*/
g_printerr (_("Error parsing commandline options: %s\n"), error->message);
g_printerr ("\n");
g_printerr (_("Try “%s --help” for more information."), g_get_prgname ());
g_printerr ("\n");
g_error_free (error);
return 1;
}
if (files == NULL)
{
/* Translators: the %s is the program name. This error message
* means the user is calling json-glib-validate without any
* argument.
*/
g_printerr (_("%s: missing files"), g_get_prgname ());
g_printerr ("\n");
g_printerr (_("Try “%s --help” for more information."), g_get_prgname ());
g_printerr ("\n");
return 1;
}
parser = json_parser_new ();
res = TRUE;
i = 0;
do
{
GFile *file = g_file_new_for_commandline_arg (files[i]);
res = validate (parser, file) && res;
g_object_unref (file);
}
while (files[++i] != NULL);
g_object_unref (parser);
return res ? EXIT_SUCCESS : EXIT_FAILURE;
}
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