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-rw-r--r--Src/Modules/termcap.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/Src/Modules/termcap.c b/Src/Modules/termcap.c
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+++ b/Src/Modules/termcap.c
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+/*
+ * termcap.c - termcap manipulation through curses
+ *
+ * This file is part of zsh, the Z shell.
+ *
+ * Copyright (c) 1992-1997 Paul Falstad
+ * All rights reserved.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and to distribute modified versions of this software for any
+ * purpose, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * In no event shall Paul Falstad or the Zsh Development Group be liable
+ * to any party for direct, indirect, special, incidental, or consequential
+ * damages arising out of the use of this software and its documentation,
+ * even if Paul Falstad and the Zsh Development Group have been advised of
+ * the possibility of such damage.
+ *
+ * Paul Falstad and the Zsh Development Group specifically disclaim any
+ * warranties, including, but not limited to, the implied warranties of
+ * merchantability and fitness for a particular purpose. The software
+ * provided hereunder is on an "as is" basis, and Paul Falstad and the
+ * Zsh Development Group have no obligation to provide maintenance,
+ * support, updates, enhancements, or modifications.
+ *
+ */
+
+#include "termcap.mdh"
+#include "termcap.pro"
+
+/* echotc: output a termcap */
+
+/**/
+int
+bin_echotc(char *name, char **argv, char *ops, int func)
+{
+ char *s, buf[2048], *t, *u;
+ int num, argct;
+
+ s = *argv++;
+ if (termflags & TERM_BAD)
+ return 1;
+ if ((termflags & TERM_UNKNOWN) && (isset(INTERACTIVE) || !init_term()))
+ return 1;
+ /* if the specified termcap has a numeric value, display it */
+ if ((num = tgetnum(s)) != -1) {
+ printf("%d\n", num);
+ return 0;
+ }
+ /* if the specified termcap is boolean, and set, say so *
+ * ncurses can tell if an existing boolean capability is *
+ * off so in this case we print "no". */
+#if !defined(NCURSES_VERSION) || !defined(COLOR_PAIR)
+ if (tgetflag(s) > 0) {
+ puts("yes");
+ return (0);
+ }
+#else /* NCURSES_VERSION && COLOR_PAIR */
+ switch (tgetflag(s)) {
+ case -1:
+ break;
+ case 0:
+ puts("no");
+ return 0;
+ default:
+ puts("yes");
+ return 0;
+ }
+#endif /* NCURSES_VERSION && COLOR_PAIR */
+ /* get a string-type capability */
+ u = buf;
+ t = tgetstr(s, &u);
+ if (!t || !*t) {
+ /* capability doesn't exist, or (if boolean) is off */
+ zwarnnam(name, "no such capability: %s", s, 0);
+ return 1;
+ }
+ /* count the number of arguments required */
+ for (argct = 0, u = t; *u; u++)
+ if (*u == '%') {
+ if (u++, (*u == 'd' || *u == '2' || *u == '3' || *u == '.' ||
+ *u == '+'))
+ argct++;
+ }
+ /* check that the number of arguments provided is correct */
+ if (arrlen(argv) != argct) {
+ zwarnnam(name, (arrlen(argv) < argct) ? "not enough arguments" :
+ "too many arguments", NULL, 0);
+ return 1;
+ }
+ /* output string, through the proper termcap functions */
+ if (!argct)
+ tputs(t, 1, putraw);
+ else {
+ num = (argv[1]) ? atoi(argv[1]) : atoi(*argv);
+ tputs(tgoto(t, atoi(*argv), num), num, putraw);
+ }
+ return 0;
+}
+
+static struct builtin bintab[] = {
+ BUILTIN("echotc", 0, bin_echotc, 1, -1, 0, NULL, NULL),
+};
+
+/**/
+int
+setup_(Module m)
+{
+ return 0;
+}
+
+/**/
+int
+boot_(Module m)
+{
+ return !addbuiltins(m->nam, bintab, sizeof(bintab)/sizeof(*bintab));
+}
+
+/**/
+int
+cleanup_(Module m)
+{
+ deletebuiltins(m->nam, bintab, sizeof(bintab)/sizeof(*bintab));
+ return 0;
+}
+
+/**/
+int
+finish_(Module m)
+{
+ return 0;
+}