/****************************************************************************
* Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
* tput.c -- shellscript access to terminal capabilities
*
* by Eric S. Raymond <esr@snark.thyrsus.com>, portions based on code from
* Ross Ridge's mytinfo package.
*/
#define USE_LIBTINFO
#include <progs.priv.h>
#if !PURE_TERMINFO
#include <termsort.c>
#endif
#include <transform.h>
MODULE_ID("$Id: tput.c,v 1.41 2007/10/13 20:34:16 tom Exp $")
#define PUTS(s) fputs(s, stdout)
#define PUTCHAR(c) putchar(c)
#define FLUSH fflush(stdout)
typedef enum {
Numbers = 0
,Num_Str
,Num_Str_Str
} TParams;
static char *prg_name;
static bool is_init = FALSE;
static bool is_reset = FALSE;
static void
quit(int status, const char *fmt,...)
{
va_list argp;
va_start(argp, fmt);
fprintf(stderr, "%s: ", prg_name);
vfprintf(stderr, fmt, argp);
fprintf(stderr, "\n");
va_end(argp);
ExitProgram(status);
}
static void
usage(void)
{
fprintf(stderr, "usage: %s [-V] [-S] [-T term] capname\n", prg_name);
ExitProgram(EXIT_FAILURE);
}
static void
check_aliases(const char *name)
{
is_init = (strcmp(name, PROG_INIT) == 0);
is_reset = (strcmp(name, PROG_RESET) == 0);
}
/*
* Lookup the type of call we should make to tparm(). This ignores the actual
* terminfo capability (bad, because it is not extensible), but makes this
* code portable to platforms where sizeof(int) != sizeof(char *).
*
* FIXME: If we want extensibility, analyze the capability string as we do
* in tparm() to decide how to parse the varargs list.
*/
static TParams
tparm_type(const char *name)
{
#define TD(code, longname, ti, tc) {code,longname},{code,ti},{code,tc}
TParams result = Numbers;
/* *INDENT-OFF* */
static const struct {
TParams code;
const char *name;
} table[] = {
TD(Num_Str, "pkey_key", "pfkey", "pk"),
TD(Num_Str, "pkey_local", "pfloc", "pl"),
TD(Num_Str, "pkey_xmit", "pfx", "px"),
TD(Num_Str, "plab_norm", "pln", "pn"),
TD(Num_Str_Str, "pkey_plab", "pfxl", "xl"),
};
/* *INDENT-ON* */
unsigned n;
for (n = 0; n < SIZEOF(table); n++) {
if (!strcmp(name, table[n].name)) {
result = table[n].code;
break;
}
}
return result;
}
static int
exit_code(int token, int value)
{
int result = 99;
switch (token) {
case BOOLEAN:
result = !value; /* TRUE=0, FALSE=1 */
break;
case NUMBER:
result = 0; /* always zero */
break;
case STRING:
result = value; /* 0=normal, 1=missing */
break;
}
return result;
}
static int
tput(int argc, char *argv[])
{
NCURSES_CONST char *name;
char *s;
int i, j, c;
int status;
FILE *f;
if ((name = argv[0]) == 0)
name = "";
check_aliases(name);
if (is_reset || is_init) {
if (init_prog != 0) {
system(init_prog);
}
FLUSH;
if (is_reset && reset_1string != 0) {
PUTS(reset_1string);
} else if (init_1string != 0) {
PUTS(init_1string);
}
FLUSH;
if (is_reset && reset_2string != 0) {
PUTS(reset_2string);
} else if (init_2string != 0) {
PUTS(init_2string);
}
FLUSH;
#ifdef set_lr_margin
if (set_lr_margin != 0) {
PUTS(TPARM_2(set_lr_margin, 0, columns - 1));
} else
#endif
#ifdef set_left_margin_parm
if (set_left_margin_parm != 0
&& set_right_margin_parm != 0) {
PUTS(TPARM_1(set_left_margin_parm, 0));
PUTS(TPARM_1(set_right_margin_parm, columns - 1));
} else
#endif
if (clear_margins != 0
&& set_left_margin != 0
&& set_right_margin != 0) {
PUTS(clear_margins);
if (carriage_return != 0) {
PUTS(carriage_return);
} else {
PUTCHAR('\r');
}
PUTS(set_left_margin);
if (parm_right_cursor) {
PUTS(TPARM_1(parm_right_cursor, columns - 1));
} else {
for (i = 0; i < columns - 1; i++) {
PUTCHAR(' ');
}
}
PUTS(set_right_margin);
if (carriage_return != 0) {
PUTS(carriage_return);
} else {
PUTCHAR('\r');
}
}
FLUSH;
if (init_tabs != 8) {
if (clear_all_tabs != 0 && set_tab != 0) {
for (i = 0; i < columns - 1; i += 8) {
if (parm_right_cursor) {
PUTS(TPARM_1(parm_right_cursor, 8));
} else {
for (j = 0; j < 8; j++)
PUTCHAR(' ');
}
PUTS(set_tab);
}
FLUSH;
}
}
if (is_reset && reset_file != 0) {
f = fopen(reset_file, "r");
if (f == 0) {
quit(4 + errno, "Can't open reset_file: '%s'", reset_file);
}
while ((c = fgetc(f)) != EOF) {
PUTCHAR(c);
}
fclose(f);
} else if (init_file != 0) {
f = fopen(init_file, "r");
if (f == 0) {
quit(4 + errno, "Can't open init_file: '%s'", init_file);
}
while ((c = fgetc(f)) != EOF) {
PUTCHAR(c);
}
fclose(f);
}
FLUSH;
if (is_reset && reset_3string != 0) {
PUTS(reset_3string);
} else if (init_3string != 0) {
PUTS(init_3string);
}
FLUSH;
return 0;
}
if (strcmp(name, "longname") == 0) {
PUTS(longname());
return 0;
}
#if !PURE_TERMINFO
{
const struct name_table_entry *np;
if ((np = _nc_find_entry(name, _nc_get_hash_table(1))) != 0)
switch (np->nte_type) {
case BOOLEAN:
if (bool_from_termcap[np->nte_index])
name = boolnames[np->nte_index];
break;
case NUMBER:
if (num_from_termcap[np->nte_index])
name = numnames[np->nte_index];
break;
case STRING:
if (str_from_termcap[np->nte_index])
name = strnames[np->nte_index];
break;
}
}
#endif
if ((status = tigetflag(name)) != -1) {
return exit_code(BOOLEAN, status);
} else if ((status = tigetnum(name)) != CANCELLED_NUMERIC) {
(void) printf("%d\n", status);
return exit_code(NUMBER, 0);
} else if ((s = tigetstr(name)) == CANCELLED_STRING) {
quit(4, "unknown terminfo capability '%s'", name);
} else if (s != ABSENT_STRING) {
if (argc > 1) {
int k;
int popcount;
long numbers[1 + NUM_PARM];
char *strings[1 + NUM_PARM];
char *p_is_s[NUM_PARM];
/* Nasty hack time. The tparm function needs to see numeric
* parameters as numbers, not as pointers to their string
* representations
*/
for (k = 1; k < argc; k++) {
char *tmp = 0;
strings[k] = argv[k];
numbers[k] = strtol(argv[k], &tmp, 0);
if (tmp == 0 || *tmp != 0)
numbers[k] = 0;
}
for (k = argc; k <= NUM_PARM; k++) {
numbers[k] = 0;
strings[k] = 0;
}
switch (tparm_type(name)) {
case Num_Str:
s = TPARM_2(s, numbers[1], strings[2]);
break;
case Num_Str_Str:
s = TPARM_3(s, numbers[1], strings[2], strings[3]);
break;
case Numbers:
default:
(void) _nc_tparm_analyze(s, p_is_s, &popcount);
#define myParam(n) (p_is_s[n - 1] != 0 ? ((long) strings[n]) : numbers[n])
s = TPARM_9(s,
myParam(1),
myParam(2),
myParam(3),
myParam(4),
myParam(5),
myParam(6),
myParam(7),
myParam(8),
myParam(9));
break;
}
}
/* use putp() in order to perform padding */
putp(s);
return exit_code(STRING, 0);
}
return exit_code(STRING, 1);
}
int
main(int argc, char **argv)
{
char *term;
int errret;
bool cmdline = TRUE;
int c;
char buf[BUFSIZ];
int result = 0;
check_aliases(prg_name = _nc_rootname(argv[0]));
term = getenv("TERM");
while ((c = getopt(argc, argv, "ST:V")) != -1) {
switch (c) {
case 'S':
cmdline = FALSE;
break;
case 'T':
use_env(FALSE);
term = optarg;
break;
case 'V':
puts(curses_version());
ExitProgram(EXIT_SUCCESS);
default:
usage();
/* NOTREACHED */
}
}
/*
* Modify the argument list to omit the options we processed.
*/
if (is_reset || is_init) {
if (optind-- < argc) {
argc -= optind;
argv += optind;
}
argv[0] = prg_name;
} else {
argc -= optind;
argv += optind;
}
if (term == 0 || *term == '\0')
quit(2, "No value for $TERM and no -T specified");
if (setupterm(term, STDOUT_FILENO, &errret) != OK && errret <= 0)
quit(3, "unknown terminal \"%s\"", term);
if (cmdline) {
if ((argc <= 0) && !is_reset && !is_init)
usage();
ExitProgram(tput(argc, argv));
}
while (fgets(buf, sizeof(buf), stdin) != 0) {
char *argvec[16]; /* command, 9 parms, null, & slop */
int argnum = 0;
char *cp;
/* crack the argument list into a dope vector */
for (cp = buf; *cp; cp++) {
if (isspace(UChar(*cp))) {
*cp = '\0';
} else if (cp == buf || cp[-1] == 0) {
argvec[argnum++] = cp;
if (argnum >= (int) SIZEOF(argvec) - 1)
break;
}
}
argvec[argnum] = 0;
if (argnum != 0
&& tput(argnum, argvec) != 0) {
if (result == 0)
result = 4; /* will return value >4 */
++result;
}
}
ExitProgram(result);
}
