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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2005-2007 Benedikt Meurer <benny@xfce.org>
* Copyright (c) 2009 Jannis Pohlmann <jannis@xfce.org>
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <gio/gio.h>
#include <thunar/thunar-exec.h>
#include <thunar/thunar-private.h>
static void te_string_append_quoted (GString *string,
const gchar *unquoted);
static gboolean te_string_append_quoted_file (GString *string,
GFile *file,
GError **error);
static void te_string_append_quoted_uri (GString *string,
GFile *file);
static void
te_string_append_quoted (GString *string,
const gchar *unquoted)
{
gchar *quoted;
quoted = g_shell_quote (unquoted);
g_string_append (string, quoted);
g_free (quoted);
}
static gboolean
te_string_append_quoted_file (GString *string,
GFile *file,
GError **error)
{
gboolean success = FALSE;
gchar *path;
/* append the absolute, local, quoted path to the string */
path = g_file_get_path (file);
if (G_LIKELY (path != NULL))
{
te_string_append_quoted (string, path);
success = TRUE;
g_free (path);
}
return success;
}
static void
te_string_append_quoted_uri (GString *string,
GFile *file)
{
gchar *uri;
/* append the quoted URI for the path */
uri = g_file_get_uri (file);
te_string_append_quoted (string, uri);
g_free (uri);
}
/**
* thunar_exec_parse:
* @exec : the value of the <literal>Exec</literal> field.
* @file_list : the list of #GFile<!---->s.
* @icon : value of the <literal>Icon</literal> field or %NULL.
* @name : translated value for the <literal>Name</literal> field or %NULL.
* @path : full path to the desktop file or %NULL.
* @terminal : whether to execute the command in a terminal.
* @argc : return location for the number of items placed into @argv.
* @argv : return location for the argument vector.
* @error : return location for errors or %NULL.
*
* Substitutes <literal>Exec</literal> parameter variables according
* to the <ulink href="https://freedesktop.org/wiki/Specifications/desktop-entry-spec"
* type="http">Desktop Entry Specification</ulink> and returns the
* parsed argument vector (in @argv) and the number of items placed
* into @argv (in @argc).
*
* The @icon, @name and @path fields are optional and may be %NULL
* if you don't know their values. The @icon parameter should be
* the value of the <literal>Icon</literal> field from the desktop
* file, the @name parameter should be the translated <literal>Name</literal>
* value, while the @path parameter should refer to the full path
* to the desktop file, whose <literal>Exec</literal> field is
* being parsed here.
*
* Return value: %TRUE on success, else %FALSE.
**/
gboolean
thunar_exec_parse (const gchar *exec,
GList *file_list,
const gchar *icon,
const gchar *name,
const gchar *uri,
gboolean terminal,
gint *argc,
gchar ***argv,
GError **error)
{
const gchar *p;
gboolean result = FALSE;
GString *command_line = g_string_new (NULL);
GList *lp;
/* prepend terminal command if required */
if (G_UNLIKELY (terminal))
g_string_append (command_line, "exo-open --launch TerminalEmulator ");
for (p = exec; *p != '\0'; ++p)
{
if (p[0] == '%' && p[1] != '\0')
{
switch (*++p)
{
case 'f':
/* append the absolute local path of the first path object */
if (file_list != NULL && !te_string_append_quoted_file (command_line, file_list->data, error))
goto done;
break;
case 'F':
for (lp = file_list; lp != NULL; lp = lp->next)
{
if (G_LIKELY (lp != file_list))
g_string_append_c (command_line, ' ');
if (!te_string_append_quoted_file (command_line, lp->data, error))
goto done;
}
break;
case 'u':
if (G_LIKELY (file_list != NULL))
te_string_append_quoted_uri (command_line, file_list->data);
break;
case 'U':
for (lp = file_list; lp != NULL; lp = lp->next)
{
if (G_LIKELY (lp != file_list))
g_string_append_c (command_line, ' ');
te_string_append_quoted_uri (command_line, lp->data);
}
break;
case 'i':
if (G_LIKELY (icon != NULL))
{
g_string_append (command_line, "--icon ");
te_string_append_quoted (command_line, icon);
}
break;
case 'c':
if (G_LIKELY (name != NULL))
te_string_append_quoted (command_line, name);
break;
case 'k':
if (G_LIKELY (uri != NULL))
te_string_append_quoted (command_line, uri);
break;
case '%':
g_string_append_c (command_line, '%');
break;
}
}
else
{
g_string_append_c (command_line, *p);
}
}
result = g_shell_parse_argv (command_line->str, argc, argv, error);
done:
g_string_free (command_line, TRUE);
return result;
}
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