/*! \brief Load a Scheme file, catching and logging errors.
* \par Function Description
* Loads \a filename, catching any uncaught errors and logging them.
*
* \bug Most other functions in the libgeda API return TRUE on success
* and FALSE on failure. g_read_file() shouldn't be an exception.
*
* \param toplevel The TOPLEVEL structure.
* \param filename The file name of the Scheme file to load.
* \param err Return location for errors, or NULL.
* \return TRUE on success, FALSE on failure.
*/
gboolean
g_read_file(TOPLEVEL *toplevel, const gchar *filename, GError **err)
{
struct g_read_file_data_t data;
g_return_val_if_fail ((filename != NULL), FALSE);
data.stack = SCM_BOOL_F;
data.filename = scm_from_utf8_string (filename);
data.err = NULL;
scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE);
edascm_dynwind_toplevel (toplevel);
scm_c_catch (SCM_BOOL_T,
(scm_t_catch_body) g_read_file__body, &data,
(scm_t_catch_handler) g_read_file__post_handler, &data,
(scm_t_catch_handler) g_read_file__pre_handler, &data);
scm_dynwind_end ();
/* If no error occurred, indicate success. */
if (data.err == NULL) return TRUE;
g_propagate_error (err, data.err);
return FALSE;
}
/*!
* \brief Set the #GschemToplevel fluid in the current dynamic context.
* \par Function Description
*
* This function must be used inside a pair of calls to
* scm_dynwind_begin() and scm_dynwind_end(). During the dynwind
* context, the #GschemToplevel fluid is set to \a w_current.
*
* \param [in] w_current The new GschemToplevel pointer.
*/
void
g_dynwind_window (GschemToplevel *w_current)
{
SCM window_s = g_scm_from_window (w_current);
scm_dynwind_fluid (scheme_window_fluid, window_s);
edascm_dynwind_toplevel (w_current->toplevel);
}
static void
cmd_export_impl (void *data, int argc, char **argv)
{
int i;
GError *err = NULL;
gchar *tmp;
const gchar *out_suffix;
struct ExportFormat *exporter = NULL;
GArray *render_color_map = NULL;
gchar *original_cwd = g_get_current_dir ();
gtk_init_check (&argc, &argv);
scm_init_guile ();
libgeda_init ();
scm_dynwind_begin (0);
toplevel = s_toplevel_new ();
edascm_dynwind_toplevel (toplevel);
/* Now load rc files, if necessary */
if (getenv ("GAF_INHIBIT_RCFILES") == NULL) {
g_rc_parse (toplevel, "gaf export", NULL, NULL);
}
i_vars_libgeda_set (toplevel); /* Ugh */
/* Parse configuration files */
export_config ();
/* Parse command-line arguments */
export_command_line (argc, argv);
/* If no format was specified, try and guess from output
* filename. */
if (settings.format == NULL) {
out_suffix = strrchr (settings.outfile, '.');
if (out_suffix != NULL) {
out_suffix++; /* Skip '.' */
} else {
fprintf (stderr,
_("ERROR: Cannot infer output format from filename '%s'.\n"),
settings.outfile);
exit (1);
}
}
/* Try and find an exporter function */
tmp = g_utf8_strdown ((settings.format == NULL) ? out_suffix : settings.format, -1);
for (i = 0; formats[i].name != NULL; i++) {
if (strcmp (tmp, formats[i].alias) == 0) {
exporter = &formats[i];
break;
}
}
if (exporter == NULL) {
if (settings.format == NULL) {
fprintf (stderr,
_("ERROR: Cannot find supported format for filename '%s'.\n"),
settings.outfile);
exit (1);
} else {
fprintf (stderr,
_("ERROR: Unsupported output format '%s'.\n"),
settings.format);
fprintf (stderr, see_help_msg);
exit (1);
}
}
g_free (tmp);
/* If more than one schematic/symbol file was specified, check that
* exporter supports multipage output. */
if ((settings.infilec > 1) && !(exporter->flags & OUTPUT_MULTIPAGE)) {
fprintf (stderr,
_("ERROR: Selected output format does not support multipage output\n"));
exit (1);
}
/* Load schematic files */
while (optind < argc) {
PAGE *page;
tmp = argv[optind++];
page = s_page_new (toplevel, tmp);
if (!f_open (toplevel, page, tmp, &err)) {
fprintf (stderr,
_("ERROR: Failed to load '%s': %s\n"), tmp,
err->message);
exit (1);
}
if (g_chdir (original_cwd) != 0) {
fprintf (stderr,
_("ERROR: Failed to change directory to '%s': %s\n"),
original_cwd, g_strerror (errno));
exit (1);
}
}
/* Create renderer */
renderer = eda_renderer_new (NULL, NULL);
if (settings.font != NULL) {
g_object_set (renderer, "font-name", settings.font, NULL);
}
/* Make sure libgeda knows how to calculate the bounds of text
* taking into account font etc. */
o_text_set_rendered_bounds_func (toplevel,
export_text_rendered_bounds,
renderer);
/* Create color map */
render_color_map =
g_array_sized_new (FALSE, FALSE, sizeof(GedaColor), MAX_COLORS);
render_color_map =
g_array_append_vals (render_color_map, print_colors, MAX_COLORS);
if (!settings.color) {
/* Create a black and white color map. All non-background colors
* are black. */
GedaColor white = {~0, ~0, ~0, ~0, TRUE};
GedaColor black = {0, 0, 0, ~0, TRUE};
for (i = 0; i < MAX_COLORS; i++) {
GedaColor *c = &g_array_index (render_color_map, GedaColor, i);
if (!c->enabled) continue;
if (c->a == 0) {
c->enabled = FALSE;
continue;
}
if (i == OUTPUT_BACKGROUND_COLOR) {
*c = white;
} else {
*c = black;
}
}
}
eda_renderer_set_color_map (renderer, render_color_map);
/* Render */
exporter->func ();
scm_dynwind_end ();
exit (0);
}
static void
shell_main (void *data, int argc, char **argv)
{
SCM setup_lst = SCM_EOL; /* We reverse! this before using it. */
SCM run_lst = SCM_EOL; /* We reverse! this before using it. */
int c;
int interactive = 1;
int inhibit_rc = 0;
int status;
TOPLEVEL *toplevel;
#include "shell.x"
/* Parse command-line arguments */
opterr = 0;
while ((c = getopt (argc, argv, GETOPT_OPTIONS)) != -1) {
switch (c) {
case 's':
/* Construct an application of LOAD to the script name */
run_lst = scm_cons (scm_list_2 (sym_load,
scm_from_locale_string (optarg)),
run_lst);
interactive = 0;
goto endoptloop;
case 'c':
/* We need to evaluate an expression */
run_lst = scm_cons (scm_list_2 (sym_eval_string,
scm_from_locale_string (optarg)),
run_lst);
interactive = 0;
goto endoptloop;
case 'L':
/* Add argument to %load-path */
setup_lst = scm_cons (scm_list_3 (sym_set_x,
sym_load_path,
scm_list_3 (sym_cons,
scm_from_locale_string (optarg),
sym_load_path)),
setup_lst);
break;
case 'l':
/* Same as -s, pretty much */
run_lst = scm_cons (scm_list_2 (sym_load,
scm_from_locale_string (optarg)),
run_lst);
break;
case 'q':
inhibit_rc = 1;
break;
case 'h':
usage (0);
case 'V':
version();
case '?':
if ((optopt != ':') && (strchr (GETOPT_OPTIONS, optopt) != NULL)) {
fprintf (stderr,
"ERROR: -%c option requires an argument.\n\n",
optopt);
usage (1);
} else if (isprint (optopt)) {
fprintf (stderr, "ERROR: Unknown option -%c\n\n", optopt);
usage (1);
} else {
fprintf (stderr,
"ERROR: Unknown option character `\\x%x'.\n\n",
optopt);
usage (1);
}
default:
g_assert_not_reached ();
}
}
endoptloop:
/* Set program arguments visible from Guile */
scm_set_program_arguments (argc - optind, argv + optind, "geda-shell");
/* If interactive mode, load readline and run top REPL. */
if (interactive) {
run_lst = scm_cons (scm_list_2 (sym_use_modules,
scm_list_2 (sym_ice_9, sym_readline)),
run_lst);
run_lst = scm_cons (scm_list_1 (sym_activate_readline), run_lst);
run_lst = scm_cons (scm_list_1 (sym_top_repl), run_lst);
/* Print GPL bumf if necessary */
if (isatty (1) && isatty (0)) {
printf (
"gEDA " PACKAGE_GIT_VERSION "\n"
"Copyright (C) 1998-2010 gEDA developers\n"
"This is free software, and you are welcome to redistribute it under\n"
"certain conditions. For details, see the file `COPYING', which is\n"
"included in the gEDA distribution.\n"
"There is NO WARRANTY, to the extent permitted by law.\n"
);
}
} else {
run_lst = scm_cons (scm_list_1 (sym_quit), run_lst);
}
/* Reverse lists */
setup_lst = scm_reverse_x (setup_lst, SCM_UNDEFINED);
run_lst = scm_reverse_x (run_lst, SCM_UNDEFINED);
/* Initialise libgeda */
libgeda_init ();
scm_dynwind_begin (0);
toplevel = s_toplevel_new ();
edascm_dynwind_toplevel (toplevel);
/* First run the setup list */
if (setup_lst != SCM_EOL) {
setup_lst = scm_cons (sym_begin, setup_lst);
scm_eval_x (setup_lst, scm_current_module ());
}
/* Now load rc files, if necessary */
if (!inhibit_rc)
g_rc_parse (toplevel, argv[0], NULL, NULL);
i_vars_libgeda_set (toplevel); /* Ugh */
/* Finally evaluate run list */
run_lst = scm_cons (sym_begin, run_lst);
status = scm_exit_status (scm_eval_x (run_lst, scm_current_module ()));
exit (status);
scm_dynwind_end ();
scm_remember_upto_here_2 (setup_lst, run_lst);
}
