File: appstream-validate.c

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appstream 0.7.3-1
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2012-2014 Matthias Klumpp <matthias@tenstral.net>
 * Copyright (C)      2014 Richard Hughes <richard@hughsie.com>
 *
 * Licensed under the GNU General Public License Version 2
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the license, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <config.h>
#include <locale.h>
#include <glib/gi18n-lib.h>
#include <appstream.h>

typedef struct {
	GOptionContext	*context;
} AsValidateToolPrivate;

/**
 * importance_to_print_string:
 **/
static gchar*
importance_to_print_string (AsIssueImportance importance, gboolean pretty)
{
	if (pretty) {
		switch (importance) {
			case AS_ISSUE_IMPORTANCE_ERROR:
				return g_strdup_printf ("%c[%d;1m%s%c[%dm", 0x1B, 31, "E", 0x1B, 0);
			case AS_ISSUE_IMPORTANCE_WARNING:
				return g_strdup_printf ("%c[%d;1m%s%c[%dm", 0x1B, 33, "W", 0x1B, 0);
			case AS_ISSUE_IMPORTANCE_INFO:
				return g_strdup_printf ("%c[%d;1m%s%c[%dm", 0x1B, 32, "I", 0x1B, 0);
			case AS_ISSUE_IMPORTANCE_PEDANTIC:
				return g_strdup_printf ("%c[%d;1m%s%c[%dm", 0x1B, 37, "P", 0x1B, 0);
			default:
				return g_strdup_printf ("%c[%d;1m%s%c[%dm", 0x1B, 35, "I", 0x1B, 0);
		}
	} else {
		switch (importance) {
			case AS_ISSUE_IMPORTANCE_ERROR:
				return g_strdup ("E");
			case AS_ISSUE_IMPORTANCE_WARNING:
				return g_strdup ("W");
			case AS_ISSUE_IMPORTANCE_INFO:
				return g_strdup ("I");
			case AS_ISSUE_IMPORTANCE_PEDANTIC:
				return g_strdup ("P");
			default:
				return g_strdup ("X");
		}
	}
}

/**
 * print_report:
 **/
static gboolean
process_report (GList *issues, gboolean pretty)
{
	GList *l;
	AsValidatorIssue *issue;
	AsIssueImportance importance;
	gboolean errors_found = FALSE;
	gchar *imp;

	for (l = issues; l != NULL; l = l->next) {
		issue = (AsValidatorIssue*) l->data;
		importance = as_validator_issue_get_importance (issue);

		/* if there are errors or warnings, we consider the validation to be failed */
		if ((importance == AS_ISSUE_IMPORTANCE_ERROR) || (importance == AS_ISSUE_IMPORTANCE_WARNING))
			errors_found = TRUE;

		imp = importance_to_print_string (importance, pretty);
		g_print ("%s: %s\n",
				 imp,
				 as_validator_issue_get_message (issue));
		g_free (imp);
	}

	return errors_found;
}

/**
 * validate_file:
 **/
static gboolean
validate_file (gchar *fname, gboolean pretty)
{
	GFile *file;
	gboolean ret;
	gboolean errors_found;
	AsValidator *validator;
	GList *issues;

	file = g_file_new_for_path (fname);
	if (!g_file_query_exists (file, NULL)) {
		g_print ("File '%s' does not exist.", fname);
		g_print ("\n");
		g_object_unref (file);
		return FALSE;
	}

	validator = as_validator_new ();
	ret = as_validator_validate_file (validator, file);
	issues = as_validator_get_issues (validator);

	errors_found = process_report (issues, pretty);
	if (!ret)
		errors_found = TRUE;

	g_list_free (issues);
	g_object_unref (file);
	g_object_unref (validator);
	return !errors_found;
}

/**
 * main:
 **/
int
main (int argc, char *argv[])
{
	AsValidateToolPrivate *priv;
	gboolean ret;
	gboolean verbose = FALSE;
	gboolean version = FALSE;
	gboolean no_color = FALSE;
	GError *error = NULL;
	guint retval = 1;
	guint i;

	const GOptionEntry options[] = {
		{ "verbose", 0, 0, G_OPTION_ARG_NONE, &verbose,
			_("Show extra debugging information"), NULL },
		{ "version", 0, 0, G_OPTION_ARG_NONE, &version,
			_("Show program version"), NULL },
		{ "no-color", 0, 0, G_OPTION_ARG_NONE, &no_color,
			_("Show program version"), NULL },
		{ NULL}
	};

	setlocale (LC_ALL, "");

	/* create helper object */
	priv = g_new0 (AsValidateToolPrivate, 1);

	/* get a list of the commands */
	priv->context = g_option_context_new (NULL);

	g_set_application_name (_("AppStream Validation Utility"));
	g_option_context_add_main_entries (priv->context, options, NULL);
	ret = g_option_context_parse (priv->context, &argc, &argv, &error);
	if (!ret) {
		g_print ("%s: %s\n",
			 _("Failed to parse arguments"),
			 error->message);
		g_error_free (error);
		goto out;
	}

	/* just a hack, we might need proper message handling later */
	if (verbose) {
		g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
	}

	if (version) {
		g_print ("Appstream validation tool version: %s\n", VERSION);
		retval = 0;
		goto out;
	}

	if (argc <= 1) {
		g_print ("%s\n",
				 _("You need to specify a file to validate!"));
		goto out;
	}

	ret = TRUE;
	for (i = 1; i < argc; i++) {
		gboolean tmp_ret;
		tmp_ret = validate_file (argv[i], !no_color);
		if (!tmp_ret)
			ret = FALSE;
	}

	if (!ret) {
		g_print ("%s\n",
				 _("Validation failed."));
		retval = 3;
	}

	/* success? */
	if (ret)
		retval = 0;
out:
	if (priv != NULL) {
		g_option_context_free (priv->context);
		g_free (priv);
	}
	return retval;
}