-
-#include "defs.h"
-
-struct ww *doopen();
-struct ww *idtowin();
-
-int lineno; /* current line number in source file */
-static char *argv[100]; /* one line broken up into words */
-static int argc;
-static char insource;
-
-int s_window();
-int s_select();
-int s_escape();
-int s_label();
-int s_terse();
-int s_refresh();
-int s_source();
-int s_write();
-
-struct scmd {
- char *s_name; /* name of command */
- int s_lmin; /* minimum length to check */
- int s_lmax; /* maximum length to check */
- int s_amin; /* minimum argument */
- int s_amax; /* maximum argument */
- int (*s_func)(); /* the function */
-};
-static struct scmd scmd[] = {
- "%", 1, 1, 0, 0, s_select,
- "escape", 1, 0, 1, 1, s_escape,
- "label", 1, 0, 2, 2, s_label,
- "refresh", 1, 0, 1, 2, s_refresh,
- "source", 1, 0, 1, 1, s_source,
- "terse", 1, 0, 0, 1, s_terse,
- "window", 1, 0, 4, 4, s_window,
- "write", 2, 0, 2, 2, s_write,
- 0
-};
-
-dosource(filename)
-char *filename;
-{
- register FILE *f;
- char buf[BUFSIZ];
-
- if ((f = fopen(filename, "r")) == 0)
- return -1;
- insource++;
- beginerror(filename);
- for (lineno = 1; fgets(buf, sizeof buf, f) != 0; lineno++)
- dolongcmd(buf);
- enderror();
- insource = 0;
- return 0;
-}
-
-dolongcmd(line)
-char *line;
-{
- register struct scmd *sp;
- register len;
-
- makeargv(line);
- if (argc == 0)
- return;
- for (sp = scmd; sp->s_name; sp++) {
- len = strlen(*argv);
- if (len < sp->s_lmin)
- continue;
- if (!strncmp(*argv, sp->s_name, sp->s_lmax ? sp->s_lmax : len))
- break;
- }
- if (sp->s_name) {
- if (sp->s_amin > argc - 1)
- error("Too few arguments.");
- else if (sp->s_amax < argc - 1)
- error("Too many arguments.");
- else
- (*sp->s_func)();
- } else
- error("%s: Unknown command.", *argv);
-}
-
-makeargv(p)
-register char *p;
-{
- static char buf[BUFSIZ];
- register char *q = buf, **pp = argv;
- char quote = 0, escape = 0;
- int i;
-
- for (; *p == ' ' || *p == '\t'; p++)
- ;
- while (*p && *p != '\n' && *p != '#'
- && pp < &argv[sizeof argv/sizeof *argv - 1]) {
- *pp++ = q;
- while (*p && *p != '\n') {
- if (escape) {
- switch (*p) {
- case 'n':
- *q++ = '\n';
- p++;
- break;
- case 'r':
- *q++ = '\r';
- p++;
- break;
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
- *q = 0;
- for (i = 3; --i >= 0
- && *p >= '0' && *p <= '9';)
- *q = *q << 3 | *p++ - '0';
- q++;
- break;
- default:
- *q++ = *p++;
- break;
- }
- escape = 0;
- } else if (*p == '\\') {
- escape = 1;
- p++;
- } else if (quote) {
- if (*p == quote) {
- quote = 0;
- p++;
- } else
- *q++ = *p++;
- } else {
- if (*p == '"' || *p == '\'')
- quote = *p++;
- else if (*p == ' ' || *p == '\t')
- break;
- else
- *q++ = *p++;
- }
- }
- *q++ = 0;
- for (; *p == ' ' || *p == '\t'; p++)
- ;
- }
- *pp = 0;
- argc = pp - argv;
-}
-
-s_window()
-{
- register char **pp = argv;
- register struct ww *w;
- int col, row, ncol, nrow, id;
-
- if ((id = findid()) < 0) {
- error("Too many windows.");
- return;
- }
- if (**++pp == '*')
- row = 0;
- else
- row = atoi(*pp);
- if (**++pp == '*')
- col = 0;
- else
- col = atoi(*pp);
- if (**++pp == '*')
- nrow = wwnrow - row;
- else
- nrow = atoi(*pp);
- if (**++pp == '*')
- ncol = wwncol - col;
- else
- ncol = atoi(*pp);
- w = doopen(id, nrow, ncol, row, col);
- if (w == 0)
- error("Can't open window: row %d col %d, %d rows %d cols.",
- row, col, nrow, ncol);
-}
-
-s_select()
-{
- struct ww *w;
-
- if ((w = idtowin(*argv + 1)) == 0)
- return;
- setselwin(w);
-}
-
-s_escape()
-{
- setescape(argv[1]);
-}
-
-s_label()
-{
- struct ww *w;
-
- if ((w = idtowin(argv[1])) == 0)
- return;
- setlabel(w, argv[2]);
-}
-
-s_terse()
-{
- if (argc < 2)
- terse = 1;
- else if (strcmp(argv[1], "off") == 0)
- terse = 0;
- else
- terse = 1;
- if (terse)
- Whide(cmdwin->ww_win);
- else
- Wunhide(cmdwin->ww_win);
-}
-
-s_refresh()
-{
- struct ww *w;
-
- if ((w = idtowin(argv[1])) == 0)
- return;
- if (argc < 3)
- w->ww_refresh = 1;
- else if (strcmp(argv[2], "off") == 0)
- w->ww_refresh = 0;
- else
- w->ww_refresh = 1;
-}
-
-s_source()
-{
- if (insource) {
- error("Recursive source.");
- return;
- }
- if (dosource(argv[1]) < 0)
- error("Can't open %s.", argv[1]);
-}
-
-s_write()
-{
- struct ww *w;
-
- if ((w = idtowin(argv[1])) == 0)
- return;
- write(w->ww_pty, argv[2], strlen(argv[2]));
-}
-
-struct ww *
-idtowin(idstr)
-char *idstr;
-{
- int id;
- struct ww *w = 0;
-
- id = atoi(idstr);
- if (id < 1 || id > 9 || (w = wwfind(id)) == 0)
- error("%d: No such window.", id);
- return w;
-}
projects / unix-history / blobdiff