Initial revision

1 files changed, 326 insertions, 0 deletions

diff --git a/lib/ephy-file-helpers.c b/lib/ephy-file-helpers.c
new file mode 100644
index 000000000..2e867e3f5
--- /dev/null
+++ b/lib/ephy-file-helpers.c
@@ -0,0 +1,326 @@
+/*
+ *  Copyright (C) 2002 Jorn Baayen
+ *
+ *  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, 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.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <glib.h>
+#include <libgnome/gnome-i18n.h>
+#include <libgnome/gnome-init.h>
+#include <libgnome/gnome-exec.h>
+
+#include "ephy-file-helpers.h"
+
+static GHashTable *files = NULL;
+
+static char *dot_dir = NULL;
+
+char *
+ephy_file_tmp_filename (const char *base,
+			const char *extension)
+{
+	int fd;
+	char *name = g_strdup (base);
+
+	fd = mkstemp (name);
+
+	if (fd != -1)
+	{
+		unlink (name);
+		close (fd);
+	}
+	else
+	{
+		return NULL;
+	}
+
+	if (extension)
+	{
+		char *tmp;
+		tmp = g_strconcat (name, ".",
+				   extension, NULL);
+		g_free (name);
+		name = tmp;
+	}
+
+	return name;
+}
+
+const char *
+ephy_file (const char *filename)
+{
+	char *ret;
+	int i;
+
+	static char *paths[] =
+	{
+		SHARE_DIR "/",
+		SHARE_DIR "/glade/",
+		SHARE_DIR "/art/",
+		SHARE_UNINSTALLED_DIR "/",
+		SHARE_UNINSTALLED_DIR "/glade/",
+		SHARE_UNINSTALLED_DIR "/art/"
+	};
+
+	g_assert (files != NULL);
+
+	ret = g_hash_table_lookup (files, filename);
+	if (ret != NULL)
+		return ret;
+
+	for (i = 0; i < (int) G_N_ELEMENTS (paths); i++)
+	{
+		ret = g_strconcat (paths[i], filename, NULL);
+		if (g_file_test (ret, G_FILE_TEST_EXISTS) == TRUE)
+		{
+			g_hash_table_insert (files, g_strdup (filename), ret);
+			return (const char *) ret;
+		}
+		g_free (ret);
+	}
+
+	g_warning (_("Failed to find %s"), filename);
+
+	return NULL;
+}
+
+const char *
+ephy_dot_dir (void)
+{
+	if (dot_dir == NULL)
+	{
+		dot_dir = g_build_filename (g_get_home_dir (),
+					    GNOME_DOT_GNOME,
+					    "epiphany",
+					    NULL);
+	}
+
+	return dot_dir;
+}
+
+void
+ephy_file_helpers_init (void)
+{
+	files = g_hash_table_new_full (g_str_hash,
+				       g_str_equal,
+				       (GDestroyNotify) g_free,
+				       (GDestroyNotify) g_free);
+}
+
+void
+ephy_file_helpers_shutdown (void)
+{
+	g_hash_table_destroy (files);
+
+	g_free (dot_dir);
+}
+
+static void
+gul_general_gnome_shell_execute (const char *command)
+{
+        GError *error = NULL;
+        if (!g_spawn_command_line_async (command, &error)) {
+                g_warning ("Error starting command '%s': %s\n", command, error->message);
+                g_error_free (error);
+        }
+}
+
+/* Return a command string containing the path to a terminal on this system. */
+
+static char *
+try_terminal_command (const char *program,
+                      const char *args)
+{
+        char *program_in_path, *quoted, *result;
+
+        if (program == NULL) {
+                return NULL;
+        }
+
+        program_in_path = g_find_program_in_path (program);
+        if (program_in_path == NULL) {
+                return NULL;
+        }
+
+        quoted = g_shell_quote (program_in_path);
+        if (args == NULL || args[0] == '\0') {
+                return quoted;
+        }
+        result = g_strconcat (quoted, " ", args, NULL);
+        g_free (quoted);
+        return result;
+}
+
+static char *
+try_terminal_command_argv (int argc,
+                           char **argv)
+{
+        GString *string;
+        int i;
+        char *quoted, *result;
+
+        if (argc == 0) {
+                return NULL;
+        }
+
+        if (argc == 1) {
+                return try_terminal_command (argv[0], NULL);
+	}
+
+	string = g_string_new (argv[1]);
+        for (i = 2; i < argc; i++) {
+                quoted = g_shell_quote (argv[i]);
+                g_string_append_c (string, ' ');
+                g_string_append (string, quoted);
+                g_free (quoted);
+        }
+        result = try_terminal_command (argv[0], string->str);
+        g_string_free (string, TRUE);
+
+        return result;
+}
+
+static char *
+get_terminal_command_prefix (gboolean for_command)
+{
+        int argc;
+        char **argv;
+        char *command;
+        guint i;
+        static const char *const commands[][3] = {
+                { "gnome-terminal", "-x",                                      "" },
+                { "dtterm",         "-e",                                      "-ls" },
+                { "nxterm",         "-e",                                      "-ls" },
+                { "color-xterm",    "-e",                                      "-ls" },
+                { "rxvt",           "-e",                                      "-ls" },
+                { "xterm",          "-e",                                      "-ls" },
+        };
+
+        /* Try the terminal from preferences. Use without any
+         * arguments if we are just doing a standalone terminal.
+         */
+        argc = 0;
+        argv = g_new0 (char *, 1);
+        gnome_prepend_terminal_to_vector (&argc, &argv);
+
+        command = NULL;
+        if (argc != 0) {
+                if (for_command) {
+                        command = try_terminal_command_argv (argc, argv);
+                } else {
+                        /* Strip off the arguments in a lame attempt
+                         * to make it be an interactive shell.
+                         */
+                        command = try_terminal_command (argv[0], NULL);
+                }
+        }
+
+        while (argc != 0) {
+                g_free (argv[--argc]);
+        }
+        g_free (argv);
+
+        if (command != NULL) {
+                return command;
+        }
+
+        /* Try well-known terminal applications in same order that gmc did. */
+        for (i = 0; i < G_N_ELEMENTS (commands); i++) {
+                command = try_terminal_command (commands[i][0],
+                                                commands[i][for_command ? 1 : 2]);
+                if (command != NULL) {
+                        break;
+                }
+        }
+
+        return command;
+}
+
+static char *
+gul_general_gnome_make_terminal_command (const char *command)
+{
+        char *prefix, *quoted, *terminal_command;
+
+        if (command == NULL) {
+                return get_terminal_command_prefix (FALSE);
+        }
+        prefix = get_terminal_command_prefix (TRUE);
+        quoted = g_shell_quote (command);
+        terminal_command = g_strconcat (prefix, " /bin/sh -c ", quoted, NULL);
+        g_free (prefix);
+        g_free (quoted);
+        return terminal_command;
+}
+
+static void
+gul_general_gnome_open_terminal (const char *command)
+{
+        char *command_line;
+
+        command_line = gul_general_gnome_make_terminal_command (command);
+        if (command_line == NULL) {
+                g_message ("Could not start a terminal");
+                return;
+        }
+        gul_general_gnome_shell_execute (command_line);
+        g_free (command_line);
+}
+
+void
+ephy_file_launch_application (const char *command_string,
+                              const char *parameter,
+                              gboolean use_terminal)
+{
+        char *full_command;
+        char *quoted_parameter;
+
+        if (parameter != NULL) {
+                quoted_parameter = g_shell_quote (parameter);
+                full_command = g_strconcat (command_string, " ", quoted_parameter, NULL);
+                g_free (quoted_parameter);
+        } else {
+                full_command = g_strdup (command_string);
+        }
+
+        if (use_terminal) {
+                gul_general_gnome_open_terminal (full_command);
+        } else {
+                gul_general_gnome_shell_execute (full_command);
+        }
+
+        g_free (full_command);
+}
+
+void
+ephy_ensure_dir_exists (const char *dir)
+{
+	if (g_file_test (dir, G_FILE_TEST_IS_DIR) == FALSE)
+	{
+		if (g_file_test (dir, G_FILE_TEST_EXISTS) == TRUE)
+			g_error (_("%s exists, please move it out of the way."), dir);
+
+		if (mkdir (dir, 488) != 0)
+			g_error (_("Failed to create directory %s."), dir);
+	}
+}