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/*
* gretl -- Gnu Regression, Econometrics and Time-series Library
* Copyright (C) 2001 Allin Cottrell and Riccardo "Jack" Lucchetti
*
* 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 3 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/>.
*
*/
/* R-related functions that are not used by gretl_edit */
#ifdef G_OS_WIN32 /* specific to Windows */
static void win32_run_R_sync (const char *buf, gretlopt opt)
{
PRN *prn = NULL;
int err;
if (bufopen(&prn)) {
return;
}
err = execute_R_buffer(buf, dataset, opt, prn);
if (err) {
gui_errmsg(err);
} else {
view_buffer(prn, 78, 350, _("gretl: script output"),
PRINT, NULL);
}
}
#else /* non-Windows functions */
/* Start an R session in asynchronous (interactive) mode.
Note that there's a separate win32 function for this
in gretlwin32.c. We don't do interactive when in editor
mode.
*/
static void start_R_async (void)
{
char *s0 = NULL, *s1 = NULL, *s2 = NULL;
int n = -1;
s0 = mymalloc(64);
s1 = mymalloc(32);
s2 = mymalloc(32);
if (s0 != NULL && s1 != NULL && s2 != NULL) {
*s0 = *s1 = *s2 = '\0';
/* probably "xterm -e R" or similar */
n = sscanf(Rcommand, "%63s %31s %31s", s0, s1, s2);
}
if (n == 0) {
errbox(_("No command was supplied to start R"));
} else if (n > 0) {
char *supp1 = "--no-init-file";
char *supp2 = "--no-restore-data";
gchar *argv[6];
GError *error = NULL;
gboolean ok;
int i = 0;
argv[i++] = s0;
if (n > 1) {
argv[i++] = s1;
}
if (n > 2) {
argv[i++] = s2;
}
argv[i++] = supp1;
argv[i++] = supp2;
argv[i++] = NULL;
ok = g_spawn_async(NULL,
argv,
NULL,
G_SPAWN_SEARCH_PATH,
NULL,
NULL,
NULL,
&error);
if (error != NULL) {
errbox(error->message);
g_error_free(error);
} else if (!ok) {
gui_errmsg(E_EXTERNAL);
g_error_free(error);
}
}
free(s0);
free(s1);
free(s2);
}
static void run_R_sync (void)
{
gchar *argv[] = {
"R",
"--no-save",
"--no-init-file",
"--no-restore-data",
"--slave",
NULL
};
run_prog_sync(argv, LANG_R);
}
#endif /* Windows vs non-Windows, common code follows */
void start_R (const char *buf, int send_data, int interactive)
{
gretlopt Ropt = OPT_G;
int err = 0;
if (send_data && !data_status) {
warnbox(_("Please open a data file first"));
return;
}
if (interactive) {
Ropt |= OPT_I;
}
if (send_data) {
Ropt |= OPT_D;
if (annual_data(dataset) || quarterly_or_monthly(dataset)) {
const char *opts[] = {
N_("multiple time series object"),
N_("data frame")
};
int resp;
resp = radio_dialog(NULL, _("Send data as"), opts, 2, 0, 0, NULL);
if (resp < 0) {
return;
} else if (resp == 1) {
Ropt |= OPT_F;
}
}
}
/* On Windows in non-interactive mode, don't write
these files here; that will be handled later
*/
#ifdef G_OS_WIN32
if (interactive) {
err = write_gretl_R_files(buf, dataset, Ropt);
}
#else
err = write_gretl_R_files(buf, dataset, Ropt);
#endif
if (err) {
gui_errmsg(err);
delete_gretl_R_files();
} else if (interactive) {
#ifdef G_OS_WIN32
win32_start_R_async();
#else
start_R_async();
#endif
} else {
/* non-interactive */
#ifdef G_OS_WIN32
win32_run_R_sync(buf, Ropt);
#else
run_R_sync();
#endif
}
}
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