inicial

1 files changed, 348 insertions, 0 deletions

diff --git a/src/eom-util.c b/src/eom-util.c
new file mode 100644
index 0000000..2d74305
--- /dev/null
+++ b/src/eom-util.c
@@ -0,0 +1,348 @@
+/* Eye Of Mate - General Utilities
+ *
+ * Copyright (C) 2006 The Free Software Foundation
+ *
+ * Author: Lucas Rocha <[email protected]>
+ *
+ * Based on code by:
+ *	- Jens Finke <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/time.h>
+#ifdef HAVE_STRPTIME
+#define _XOPEN_SOURCE
+#endif /* HAVE_STRPTIME */
+
+#include <time.h>
+
+#include "eom-util.h"
+
+#include <errno.h>
+#include <string.h>
+#include <glib.h>
+#include <glib/gprintf.h>
+#include <glib/gstdio.h>
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+
+void
+eom_util_show_help (const gchar *section, GtkWindow *parent)
+{
+	GError *error = NULL;
+	gchar *uri = NULL;
+
+	if (section)
+		uri = g_strdup_printf ("ghelp:eom?%s", section);
+
+	gtk_show_uri (NULL, ((uri != NULL) ? uri : "ghelp:eom"),
+		      gtk_get_current_event_time (), &error);
+
+	g_free (uri);
+
+	if (error) {
+		GtkWidget *dialog;
+
+		dialog = gtk_message_dialog_new (parent,
+						 0,
+						 GTK_MESSAGE_ERROR,
+						 GTK_BUTTONS_OK,
+						 _("Could not display help for Eye of MATE"));
+
+		gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+							  "%s", error->message);
+
+		g_signal_connect_swapped (dialog, "response",
+					  G_CALLBACK (gtk_widget_destroy),
+					  dialog);
+		gtk_widget_show (dialog);
+
+		g_error_free (error);
+	}
+}
+
+gchar *
+eom_util_make_valid_utf8 (const gchar *str)
+{
+	GString *string;
+	const char *remainder, *invalid;
+	int remaining_bytes, valid_bytes;
+
+	string = NULL;
+	remainder = str;
+	remaining_bytes = strlen (str);
+
+	while (remaining_bytes != 0) {
+		if (g_utf8_validate (remainder, remaining_bytes, &invalid)) {
+			break;
+		}
+
+		valid_bytes = invalid - remainder;
+
+		if (string == NULL) {
+			string = g_string_sized_new (remaining_bytes);
+		}
+
+		g_string_append_len (string, remainder, valid_bytes);
+		g_string_append_c (string, '?');
+
+		remaining_bytes -= valid_bytes + 1;
+		remainder = invalid + 1;
+	}
+
+	if (string == NULL) {
+		return g_strdup (str);
+	}
+
+	g_string_append (string, remainder);
+	g_string_append (string, _(" (invalid Unicode)"));
+
+	g_assert (g_utf8_validate (string->str, -1, NULL));
+
+	return g_string_free (string, FALSE);
+}
+
+GSList*
+eom_util_parse_uri_string_list_to_file_list (const gchar *uri_list)
+{
+	GSList* file_list = NULL;
+	gsize i = 0;
+	gchar **uris;
+
+	uris = g_uri_list_extract_uris (uri_list);
+
+	while (uris[i] != NULL) {
+		file_list = g_slist_append (file_list, g_file_new_for_uri (uris[i]));
+		i++;
+	}
+
+	g_strfreev (uris);
+
+	return file_list;
+}
+
+GSList*
+eom_util_string_list_to_file_list (GSList *string_list)
+{
+	GSList *it = NULL;
+	GSList *file_list = NULL;
+
+	for (it = string_list; it != NULL; it = it->next) {
+		char *uri_str;
+
+		uri_str = (gchar *) it->data;
+
+		file_list = g_slist_prepend (file_list,
+					     g_file_new_for_uri (uri_str));
+	}
+
+	return g_slist_reverse (file_list);
+}
+
+#ifdef HAVE_DBUS
+GSList*
+eom_util_strings_to_file_list (gchar **strings)
+{
+	int i;
+ 	GSList *file_list = NULL;
+
+	for (i = 0; strings[i]; i++) {
+ 		file_list = g_slist_prepend (file_list,
+					      g_file_new_for_uri (strings[i]));
+ 	}
+
+ 	return g_slist_reverse (file_list);
+}
+#endif
+
+GSList*
+eom_util_string_array_to_list (const gchar **files, gboolean create_uri)
+{
+	gint i;
+	GSList *list = NULL;
+
+	if (files == NULL) return list;
+
+	for (i = 0; files[i]; i++) {
+		char *str;
+
+		if (create_uri) {
+			GFile *file;
+
+			file = g_file_new_for_commandline_arg (files[i]);
+			str = g_file_get_uri (file);
+
+			g_object_unref (file);
+		} else {
+			str = g_strdup (files[i]);
+		}
+
+		if (str) {
+			list = g_slist_prepend (list, g_strdup (str));
+			g_free (str);
+		}
+	}
+
+	return g_slist_reverse (list);
+}
+
+gchar **
+eom_util_string_array_make_absolute (gchar **files)
+{
+	int i;
+	int size;
+	gchar **abs_files;
+	GFile *file;
+
+	if (files == NULL)
+		return NULL;
+
+	size = g_strv_length (files);
+
+	/* Ensure new list is NULL-terminated */
+	abs_files = g_new0 (gchar *, size+1);
+
+	for (i = 0; i < size; i++) {
+		file = g_file_new_for_commandline_arg (files[i]);
+		abs_files[i] = g_file_get_uri (file);
+
+		g_object_unref (file);
+	}
+
+	return abs_files;
+}
+
+static gchar *dot_dir = NULL;
+
+static gboolean
+ensure_dir_exists (const char *dir)
+{
+	if (g_file_test (dir, G_FILE_TEST_IS_DIR))
+		return TRUE;
+
+	if (g_mkdir_with_parents (dir, 0700) == 0)
+		return TRUE;
+
+	if (errno == EEXIST)
+		return g_file_test (dir, G_FILE_TEST_IS_DIR);
+
+	g_warning ("Failed to create directory %s: %s", dir, strerror (errno));
+	return FALSE;
+}
+
+const gchar *
+eom_util_dot_dir (void)
+{
+	if (dot_dir == NULL) {
+		gboolean exists;
+
+		dot_dir = g_build_filename (g_get_home_dir (),
+					    ".mate2",
+					    "eom",
+					    NULL);
+
+		exists = ensure_dir_exists (dot_dir);
+
+		if (G_UNLIKELY (!exists)) {
+			static gboolean printed_warning = FALSE;
+
+			if (!printed_warning) {
+				g_warning ("EOM could not save some of your preferences in its settings directory due to a file with the same name (%s) blocking its creation. Please remove that file, or move it away.", dot_dir);
+				printed_warning = TRUE;
+			}
+			dot_dir = NULL;
+			return NULL;
+		}
+	}
+
+	return dot_dir;
+}
+
+/* Based on eel_filename_strip_extension() */
+
+/**
+ * eom_util_filename_get_extension:
+ * @filename: a filename
+ *
+ * Returns a reasonably good guess of the file extension of @filename.
+ *
+ * Returns: a newly allocated string with the file extension of @filename.
+ **/
+char *
+eom_util_filename_get_extension (const char * filename)
+{
+	char *begin, *begin2;
+
+	if (filename == NULL) {
+		return NULL;
+	}
+
+	begin = strrchr (filename, '.');
+
+	if (begin && begin != filename) {
+		if (strcmp (begin, ".gz") == 0 ||
+		    strcmp (begin, ".bz2") == 0 ||
+		    strcmp (begin, ".sit") == 0 ||
+		    strcmp (begin, ".Z") == 0) {
+			begin2 = begin - 1;
+			while (begin2 > filename &&
+			       *begin2 != '.') {
+				begin2--;
+			}
+			if (begin2 != filename) {
+				begin = begin2;
+			}
+		}
+		begin ++;
+	} else {
+		return NULL;
+	}
+
+	return g_strdup (begin);
+}
+
+
+/**
+ * eom_util_file_is_persistent:
+ * @file: a #GFile
+ *
+ * Checks whether @file is a non-removable local mount.
+ *
+ * Returns: %TRUE if @file is in a non-removable mount,
+ * %FALSE otherwise or when it is remote.
+ **/
+gboolean
+eom_util_file_is_persistent (GFile *file)
+{
+	GMount *mount;
+
+	if (!g_file_is_native (file))
+		return FALSE;
+
+	mount = g_file_find_enclosing_mount (file, NULL, NULL);
+	if (mount) {
+		if (g_mount_can_unmount (mount)) {
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}