/****************************************************************************
- * Copyright (c) 2005-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 2005-2011,2012 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 *
/*
* Author: Thomas E. Dickey
*
- * $Id: demo_termcap.c,v 1.7 2008/02/09 18:08:36 tom Exp $
+ * $Id: demo_termcap.c,v 1.17 2012/03/01 01:09:30 tom Exp $
*
* A simple demo of the termcap interface.
*/
#if HAVE_TGETENT
+#if defined(HAVE_CURSES_DATA_BOOLNAMES) || defined(DECL_CURSES_DATA_BOOLNAMES)
+#define USE_CODE_LISTS 1
+#else
+#define USE_CODE_LISTS 0
+#endif
+
+#define FCOLS 8
+#define FNAME(type) "%s %-*s = ", #type, FCOLS
+
+#if USE_CODE_LISTS
+static bool b_opt = FALSE;
+static bool n_opt = FALSE;
+static bool s_opt = FALSE;
+#endif
+
#define isCapName(c) (isgraph(c) && strchr("^#=:\\", c) == 0)
+#if NO_LEAKS && USE_CODE_LISTS
+
+#define MYSCR struct _myscr
+MYSCR {
+ MYSCR *next;
+ TERMINAL *term;
+};
+
+static MYSCR *my_screens;
+
+static void
+save_screen(void)
+{
+ MYSCR *obj = malloc(sizeof(MYSCR));
+ obj->next = my_screens;
+ obj->term = cur_term;
+ my_screens = obj;
+}
+#else
+#define save_screen() /* nothing */
+#endif
+
static void
-dumpit(char *cap)
+dumpit(NCURSES_CONST char *cap)
{
/*
* One of the limitations of the termcap interface is that the library
* Note that the strings returned are mostly terminfo format, since
* ncurses does not convert except for a handful of special cases.
*/
- printf("str %s = ", cap);
+ printf(FNAME(str), cap);
while (*str != 0) {
int ch = UChar(*str++);
switch (ch) {
}
printf("\n");
} else if ((num = tgetnum(cap)) >= 0) {
- printf("num %s = %d\n", cap, num);
- } else if ((num = tgetflag(cap)) > 0) {
- printf("flg %s\n", cap);
+ printf(FNAME(num), cap);
+ printf(" %d\n", num);
+ } else if (tgetflag(cap) > 0) {
+ printf(FNAME(flg), cap);
+ printf("%s\n", "true");
}
fflush(stdout);
}
static void
-demo_termcap(char *name)
+brute_force(const char *name)
{
char buffer[1024];
cap[2] = 0;
for (c1 = 0; c1 < 256; ++c1) {
- cap[0] = c1;
+ cap[0] = (char) c1;
if (isCapName(c1)) {
for (c2 = 0; c2 < 256; ++c2) {
- cap[1] = c2;
+ cap[1] = (char) c2;
if (isCapName(c2)) {
dumpit(cap);
}
}
}
+#if USE_CODE_LISTS
+static void
+demo_termcap(NCURSES_CONST char *name)
+{
+ unsigned n;
+ NCURSES_CONST char *cap;
+
+ printf("Terminal type \"%s\"\n", name);
+#if HAVE_SETUPTERM
+ setupterm(name, 1, (int *) 0);
+#else
+ setterm(name);
+#endif
+ save_screen();
+
+ if (b_opt) {
+ for (n = 0;; ++n) {
+ cap = boolcodes[n];
+ if (cap == 0)
+ break;
+ dumpit(cap);
+ }
+ }
+
+ if (n_opt) {
+ for (n = 0;; ++n) {
+ cap = numcodes[n];
+ if (cap == 0)
+ break;
+ dumpit(cap);
+ }
+ }
+
+ if (s_opt) {
+ for (n = 0;; ++n) {
+ cap = strcodes[n];
+ if (cap == 0)
+ break;
+ dumpit(cap);
+ }
+ }
+}
+
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: demo_termcap [options] [terminal]",
+ "",
+ "If no options are given, print all (boolean, numeric, string)",
+ "capabilities for the given terminal, using short names.",
+ "",
+ "Options:",
+ " -a try all names, print capabilities found",
+ " -b print boolean-capabilities",
+ " -n print numeric-capabilities",
+ " -r COUNT repeat for given count",
+ " -s print string-capabilities",
+ };
+ unsigned n;
+ for (n = 0; n < SIZEOF(msg); ++n) {
+ fprintf(stderr, "%s\n", msg[n]);
+ }
+ ExitProgram(EXIT_FAILURE);
+}
+#endif
+
int
main(int argc, char *argv[])
{
int n;
char *name;
+ bool a_opt = FALSE;
+
+#if USE_CODE_LISTS
+ int repeat;
+ int r_opt = 1;
+
+ while ((n = getopt(argc, argv, "abnr:s")) != -1) {
+ switch (n) {
+ case 'a':
+ a_opt = TRUE;
+ break;
+ case 'b':
+ b_opt = TRUE;
+ break;
+ case 'n':
+ n_opt = TRUE;
+ break;
+ case 'r':
+ if ((r_opt = atoi(optarg)) <= 0)
+ usage();
+ break;
+ case 's':
+ s_opt = TRUE;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
- if (argc > 1) {
- for (n = 1; n < argc; ++n) {
- demo_termcap(argv[n]);
+ if (!(b_opt || n_opt || s_opt)) {
+ b_opt = TRUE;
+ n_opt = TRUE;
+ s_opt = TRUE;
+ }
+#else
+ a_opt = TRUE;
+#endif
+
+ if (a_opt) {
+ if (optind < argc) {
+ for (n = optind; n < argc; ++n) {
+ brute_force(argv[n]);
+ }
+ } else if ((name = getenv("TERM")) != 0) {
+ brute_force(name);
+ } else {
+ static char dumb[] = "dumb";
+ brute_force(dumb);
+ }
+ }
+#if USE_CODE_LISTS
+ else {
+ for (repeat = 0; repeat < r_opt; ++repeat) {
+ if (optind < argc) {
+ for (n = optind; n < argc; ++n) {
+ demo_termcap(argv[n]);
+ }
+ } else if ((name = getenv("TERM")) != 0) {
+ demo_termcap(name);
+ } else {
+ static char dumb[] = "dumb";
+ demo_termcap(dumb);
+ }
}
- } else if ((name = getenv("TERM")) != 0) {
- demo_termcap(name);
- } else {
- static char dumb[] = "dumb";
- demo_termcap(dumb);
+#if NO_LEAKS
+ /*
+ * ncurses' tgetent() interface caches some entries and its no-leaks
+ * code discards those. The calls to setupterm() on the other hand
+ * are not cached, and each call allocates a chunk of memory, even
+ * if the same terminal type is requested repeatedly.
+ */
+ while (my_screens != 0) {
+ MYSCR *next = my_screens->next;
+ del_curterm(my_screens->term);
+ free(my_screens);
+ my_screens = next;
+ }
+#endif
}
+#endif /* USE_CODE_LISTS */
ExitProgram(EXIT_SUCCESS);
}