rogue/pipes.c

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C
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2011-10-13 09:59:16 -06:00
/*
* This file has all the code for the option command. I would rather
* this command were not necessary, but it is the only way to keep the
* wolves off of my back.
*
* @(#)pipes.c 4.24 (Berkeley) 05/10/83
*/
#include <curses.h>
#include <ctype.h>
#include "netprot.h"
#define EQSTR(a, b, c) (strncmp(a, b, c) == 0)
#define NUM_OPTS (sizeof optlist / sizeof (OPTION))
#ifndef attron
# define erasechar() _tty.sg_erase
# define killchar() _tty.sg_kill
#endif
/*
* description of an option and what to do with it
*/
struct optstruct {
char *o_name; /* option name */
char *o_prompt; /* prompt for interactive entry */
void *o_opt; /* pointer to thing to set */
/* function to print value */
void (*o_putfunc)(void *opt);
/* function to get value interactively */
int (*o_getfunc)(void *opt, WINDOW *win);
};
typedef struct optstruct OPTION;
void pr_optname(OPTION *op);
OPTION optlist[] = {
{"terse", "Terse output",
(int *) &Terse, put_bool, get_bool },
{"flush", "Flush typeahead during battle",
(int *) &Fight_flush, put_bool, get_bool },
{"jump", "Show position only at end of run",
(int *) &Jump, put_bool, get_bool },
{"seefloor", "Show the lamp-illuminated floor",
(int *) &See_floor, put_bool, get_sf },
{"passgo", "Follow turnings in passageways",
(int *) &Passgo, put_bool, get_bool },
{"tombstone", "Print out tombstone when killed",
(int *) &Tombstone, put_bool, get_bool },
{"inven", "Inventory style",
(int *) &Inv_type, put_inv_t, get_inv_t },
{"name", "Name",
(int *) Whoami, put_str, get_str },
{"fruit", "Fruit",
(int *) Fruit, put_str, get_str },
{"file", "Save file",
(int *) File_name, put_str, get_str }
};
/*
* option:
* Print and then set options from the terminal
*/
void
option(void)
{
OPTION *op;
int retval;
wclear(Hw);
/*
* Display current values of options
*/
for (op = optlist; op < &optlist[NUM_OPTS]; op++)
{
pr_optname(op);
(*op->o_putfunc)(op->o_opt);
waddch(Hw, '\n');
}
/*
* Set values
*/
wmove(Hw, 0, 0);
for (op = optlist; op < &optlist[NUM_OPTS]; op++)
{
pr_optname(op);
if ((retval = (*op->o_getfunc)(op->o_opt, Hw)))
if (retval == QUIT)
break;
else if (op > optlist) { /* MINUS */
wmove(Hw, (op - optlist) - 1, 0);
op -= 2;
}
else /* trying to back up beyond the top */
{
putchar('\007');
wmove(Hw, 0, 0);
op--;
}
}
/*
* Switch back to original screen
*/
wmove(Hw, LINES - 1, 0);
waddstr(Hw, "--Press space to continue--");
wrefresh(Hw);
wait_for(' ');
clearok(curscr, TRUE);
#ifdef attron
touchwin(stdscr);
#endif
After = FALSE;
}
/*
* pr_optname:
* Print out the option name prompt
*/
void
pr_optname(OPTION *op)
{
wprintw(Hw, "%s (\"%s\"): ", op->o_prompt, op->o_name);
}
/*
* put_bool
* Put out a boolean
*/
void
put_bool(void *b)
{
waddstr(Hw, *(bool *) b ? "True" : "False");
}
/*
* put_str:
* Put out a string
*/
void
put_str(void *str)
{
waddstr(Hw, (char *) str);
}
/*
* put_inv_t:
* Put out an inventory type
*/
void
put_inv_t(void *ip)
{
waddstr(Hw, Inv_t_name[*(int *) ip]);
}
/*
* get_bool:
* Allow changing a boolean option and print it out
*/
int
get_bool(void *vp, WINDOW *win)
{
bool *bp = (bool *) vp;
int oy, ox;
bool op_bad;
op_bad = TRUE;
getyx(win, oy, ox);
waddstr(win, *bp ? "True" : "False");
while (op_bad)
{
wmove(win, oy, ox);
wrefresh(win);
switch (readchar())
{
case 't':
case 'T':
*bp = TRUE;
op_bad = FALSE;
break;
case 'f':
case 'F':
*bp = FALSE;
op_bad = FALSE;
break;
case '\n':
case '\r':
op_bad = FALSE;
break;
case ESCAPE:
return QUIT;
case '-':
return MINUS;
default:
wmove(win, oy, ox + 10);
waddstr(win, "(T or F)");
}
}
wmove(win, oy, ox);
waddstr(win, *bp ? "True" : "False");
waddch(win, '\n');
return NORM;
}
/*
* get_sf:
* Change value and handle transition problems from See_floor to
* !See_floor.
*/
int
get_sf(void *vp, WINDOW *win)
{
bool *bp = (bool *) vp;
bool was_sf;
int retval;
was_sf = See_floor;
retval = get_bool(bp, win);
if (retval == QUIT) return(QUIT);
if (was_sf != See_floor)
{
if (!See_floor) {
See_floor = TRUE;
erase_lamp(&Hero, Proom);
See_floor = FALSE;
}
else
look(FALSE);
}
return(NORM);
}
/*
* get_str:
* Set a string option
*/
#define MAXINP 50 /* max string to read from terminal or environment */
int
get_str(void *vopt, WINDOW *win)
{
char *opt = (char *) vopt;
char *sp;
int c, oy, ox;
int i;
static char buf[MAXSTR];
getyx(win, oy, ox);
wrefresh(win);
/*
* loop reading in the string, and put it in a temporary buffer
*/
for (sp = buf; (c = readchar()) != '\n' && c != '\r' && c != ESCAPE;
wclrtoeol(win), wrefresh(win))
{
if (c == -1)
continue;
else if (c == erasechar()) /* process erase character */
{
if (sp > buf)
{
sp--;
for (i = strlen(unctrl(*sp)); i; i--)
waddch(win, '\b');
}
continue;
}
else if (c == killchar()) /* process kill character */
{
sp = buf;
wmove(win, oy, ox);
continue;
}
else if (sp == buf)
{
if (c == '-' && win != stdscr)
break;
else if (c == '~')
{
strcpy(buf, Home);
waddstr(win, Home);
sp += strlen(Home);
continue;
}
}
if (sp >= &buf[MAXINP] || !(isprint(c) || c == ' '))
putchar(CTRL('G'));
else
{
*sp++ = c;
waddstr(win, unctrl(c));
}
}
*sp = '\0';
if (sp > buf) /* only change option if something has been typed */
strucpy(opt, buf, strlen(buf));
mvwprintw(win, oy, ox, "%s\n", opt);
wrefresh(win);
if (win == stdscr)
Mpos += sp - buf;
if (c == '-')
return MINUS;
else if (c == ESCAPE)
return QUIT;
else
return NORM;
}
/*
* get_inv_t
* Get an inventory type name
*/
int
get_inv_t(void *vp, WINDOW *win)
{
int *ip = (int *) vp;
int oy, ox;
bool op_bad;
op_bad = TRUE;
getyx(win, oy, ox);
waddstr(win, Inv_t_name[*ip]);
while (op_bad)
{
wmove(win, oy, ox);
wrefresh(win);
switch (readchar())
{
case 'o':
case 'O':
*ip = INV_OVER;
op_bad = FALSE;
break;
case 's':
case 'S':
*ip = INV_SLOW;
op_bad = FALSE;
break;
case 'c':
case 'C':
*ip = INV_CLEAR;
op_bad = FALSE;
break;
case '\n':
case '\r':
op_bad = FALSE;
break;
case ESCAPE:
return QUIT;
case '-':
return MINUS;
default:
wmove(win, oy, ox + 15);
waddstr(win, "(O, S, or C)");
}
}
mvwprintw(win, oy, ox, "%s\n", Inv_t_name[*ip]);
return NORM;
}
#ifdef MASTER
/*
* get_num:
* Get a numeric option
*/
int
get_num(void *vp, WINDOW *win)
{
short *opt = (short *) vp;
int i;
static char buf[MAXSTR];
if ((i = get_str(buf, win)) == NORM)
*opt = atoi(buf);
return i;
}
#endif
/*
* parse_opts:
* Parse options from string, usually taken from the environment.
* The string is a series of comma seperated values, with booleans
* being stated as "name" (true) or "noname" (false), and strings
* being "name=....", with the string being defined up to a comma
* or the end of the entire option string.
*/
void
parse_opts(char *str)
{
char *sp;
OPTION *op;
int len;
char **i;
char *start;
while (*str)
{
/*
* Get option name
*/
for (sp = str; isalpha(*sp); sp++)
continue;
len = sp - str;
/*
* Look it up and deal with it
*/
for (op = optlist; op < &optlist[NUM_OPTS]; op++)
if (EQSTR(str, op->o_name, len))
{
if (op->o_putfunc == put_bool) /* if option is a boolean */
*(bool *)op->o_opt = TRUE; /* NOSTRICT */
else /* string option */
{
/*
* Skip to start of string value
*/
for (str = sp + 1; *str == '='; str++)
continue;
if (*str == '~')
{
strcpy((char *) op->o_opt, Home); /* NOSTRICT */
start = (char *) op->o_opt + strlen(Home);/* NOSTRICT */
while (*++str == '/')
continue;
}
else
start = (char *) op->o_opt; /* NOSTRICT */
/*
* Skip to end of string value
*/
for (sp = str + 1; *sp && *sp != ','; sp++)
continue;
/*
* check for type of inventory
*/
if (op->o_putfunc == put_inv_t)
{
if (islower(*str))
*str = toupper(*str);
for (i = Inv_t_name; i <= &Inv_t_name[INV_CLEAR]; i++)
if (strncmp(str, *i, sp - str) == 0)
{
Inv_type = i - Inv_t_name;
break;
}
}
else
strucpy(start, str, sp - str);
}
break;
}
/*
* check for "noname" for booleans
*/
else if (op->o_putfunc == put_bool
&& EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2))
{
*(bool *)op->o_opt = FALSE; /* NOSTRICT */
break;
}
/*
* skip to start of next option name
*/
while (*sp && !isalpha(*sp))
sp++;
str = sp;
}
}
/*
* strucpy:
* Copy string using unctrl for things
*/
void
strucpy(char *s1, char *s2, int len)
{
if (len > MAXINP)
len = MAXINP;
while (len--)
{
if (isprint(*s2) || *s2 == ' ')
*s1++ = *s2;
s2++;
}
*s1 = '\0';
}