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/* json-glib-validate - Checks JSON data for errors
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*
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* This file is part of JSON-GLib
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*
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* Copyright © 2013 Emmanuele Bassi
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Emmanuele Bassi <ebassi@gnome.org>
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*/
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#include "config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <locale.h>
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#include <errno.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <json-glib/json-glib.h>
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static char **files = NULL;
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static GOptionEntry entries[] = {
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{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &files, NULL, NULL },
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{ NULL },
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};
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static gboolean
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validate (JsonParser *parser,
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GFile *file)
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{
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GInputStream *in;
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GError *error;
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gboolean res = TRUE;
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gboolean parse_res;
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gboolean close_res;
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error = NULL;
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in = (GInputStream *) g_file_read (file, NULL, &error);
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if (in == NULL)
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{
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/* Translators: the first %s is the program name, the second one
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* is the URI of the file, the third is the error message.
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*/
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g_printerr (_("%s: %s: error opening file: %s\n"),
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g_get_prgname (), g_file_get_uri (file), error->message);
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g_error_free (error);
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return FALSE;
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}
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parse_res = json_parser_load_from_stream (parser, in, NULL, &error);
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if (!parse_res)
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{
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/* Translators: the first %s is the program name, the second one
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* is the URI of the file, the third is the error message.
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*/
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g_printerr (_("%s: %s: error parsing file: %s\n"),
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g_get_prgname (), g_file_get_uri (file), error->message);
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g_clear_error (&error);
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res = FALSE;
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}
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close_res = g_input_stream_close (in, NULL, &error);
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if (!close_res)
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{
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/* Translators: the first %s is the program name, the second one
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* is the URI of the file, the third is the error message.
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*/
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g_printerr (_("%s: %s: error closing: %s\n"),
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g_get_prgname (), g_file_get_uri (file), error->message);
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g_clear_error (&error);
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res = FALSE;
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}
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return res;
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}
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int
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main (int argc,
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char *argv[])
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{
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GOptionContext *context = NULL;
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GError *error = NULL;
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const char *description;
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const char *summary;
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gchar *param;
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JsonParser *parser;
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gboolean res;
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int i;
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setlocale (LC_ALL, "");
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bindtextdomain (GETTEXT_PACKAGE, JSON_LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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textdomain (GETTEXT_PACKAGE);
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param = g_strdup_printf (("%s..."), _("FILE"));
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/* Translators: this message will appear after the usage string */
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/* and before the list of options. */
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summary = _("Validate JSON files.");
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description = _("json-glib-validate validates JSON data at the given URI.");
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context = g_option_context_new (param);
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g_option_context_set_summary (context, summary);
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g_option_context_set_description (context, description);
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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g_option_context_parse (context, &argc, &argv, &error);
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g_option_context_free (context);
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g_free (param);
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if (error != NULL)
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{
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/* Translators: the %s is the program name. This error message
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* means the user is calling json-glib-validate without any
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* argument.
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*/
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g_printerr (_("Error parsing commandline options: %s\n"), error->message);
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g_printerr ("\n");
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g_printerr (_("Try “%s --help” for more information."), g_get_prgname ());
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g_printerr ("\n");
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g_error_free (error);
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return 1;
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}
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if (files == NULL)
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{
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/* Translators: the %s is the program name. This error message
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* means the user is calling json-glib-validate without any
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* argument.
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*/
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g_printerr (_("%s: missing files"), g_get_prgname ());
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g_printerr ("\n");
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g_printerr (_("Try “%s --help” for more information."), g_get_prgname ());
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g_printerr ("\n");
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return 1;
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}
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parser = json_parser_new ();
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res = TRUE;
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i = 0;
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do
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{
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GFile *file = g_file_new_for_commandline_arg (files[i]);
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res = validate (parser, file) && res;
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g_object_unref (file);
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}
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while (files[++i] != NULL);
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g_object_unref (parser);
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return res ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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