diff options
Diffstat (limited to 'ncurses-5.3/progs/tput.c')
| -rw-r--r-- | ncurses-5.3/progs/tput.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/ncurses-5.3/progs/tput.c b/ncurses-5.3/progs/tput.c new file mode 100644 index 0000000..27fc299 --- /dev/null +++ b/ncurses-5.3/progs/tput.c @@ -0,0 +1,428 @@ +/**************************************************************************** + * Copyright (c) 1998,1999,2000,2001 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. + */ + +#include <progs.priv.h> + +#if !PURE_TERMINFO +#include <termsort.c> +#endif +#include <transform.h> + +MODULE_ID("$Id$") + +#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); + vfprintf(stderr, fmt, argp); + fprintf(stderr, "\n"); + va_end(argp); + exit(status); +} + +static void +usage(void) +{ + fprintf(stderr, "usage: %s [-V] [-S] [-T term] capname\n", prg_name); + exit(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; + int token = UNDEF; + + 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(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(set_left_margin_parm, 0)); + PUTS(tparm(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(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(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_2string != 0) { + PUTS(init_2string); + } + 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, "%s: unknown terminfo capability '%s'", prg_name, name); + } else if (s != ABSENT_STRING) { + token = STRING; + if (argc > 1) { + int k; + int numbers[10]; + char *strings[10]; + + /* 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 <= 9; k++) { + numbers[k] = 0; + strings[k] = 0; + } + + switch (tparm_type(name)) { + case Num_Str: + s = tparm(s, numbers[1], strings[2]); + break; + case Num_Str_Str: + s = tparm(s, numbers[1], strings[2], strings[3]); + break; + default: + s = tparm(s, + numbers[1], numbers[2], numbers[3], + numbers[4], numbers[5], numbers[6], + numbers[7], numbers[8], numbers[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; + int err; + + check_aliases(prg_name = _nc_rootname(argv[0])); + + term = getenv("TERM"); + + while ((c = getopt(argc, argv, "ST:V")) != EOF) { + switch (c) { + case 'S': + cmdline = FALSE; + break; + case 'T': + use_env(FALSE); + term = optarg; + break; + case 'V': + puts(curses_version()); + return 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(); + return 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 + && (err = tput(argnum, argvec)) != 0) { + if (result == 0) + result = 4; /* will return value >4 */ + ++result; + } + } + + return result; +} |