Record raw arguments, to be used in the next changesets:

(player): New member comtail.
(parse): New parameter tail.  Reorder parameter list.
(command, execute): Pass player->comtail.
(player_login, emp_config, do_unit_move): Pass NULL.  No functional
change.
This commit is contained in:
Markus Armbruster 2007-11-25 13:55:52 +00:00
parent 3fcee8ddd1
commit 90631d56ed
7 changed files with 33 additions and 26 deletions

View file

@ -60,11 +60,12 @@ struct player {
natid cnum; natid cnum;
int state; int state;
int flags; int flags;
struct cmndstr *command; struct cmndstr *command; /* currently executing command */
struct iop *iop; struct iop *iop;
char combuf[1024]; /* command input buffer, UTF-8 */ char combuf[1024]; /* command input buffer, UTF-8 */
char *argp[128]; /* arguments, ASCII */ char *argp[128]; /* arguments, ASCII, valid if command */
char *condarg; /* conditional, ASCII */ char *condarg; /* conditional, ASCII, valid if command */
char *comtail[128]; /* start of args in combuf[] */
time_t lasttime; /* when minleft was last debited */ time_t lasttime; /* when minleft was last debited */
int ncomstat; int ncomstat;
int minleft; int minleft;

View file

@ -368,7 +368,7 @@ extern int deltay(int, int);
extern int mapdist(int, int, int, int); extern int mapdist(int, int, int, int);
extern char *effadv(int); extern char *effadv(int);
extern int onearg(char *, char *); extern int onearg(char *, char *);
extern int parse(char *, char **, char **, char *, char **); extern int parse(char *, char *, char **, char **, char **, char **);
extern int ldround(double, int); extern int ldround(double, int);
extern int roundintby(int, int); extern int roundintby(int, int);
extern int scthash(int, int, int); extern int scthash(int, int, int);

View file

@ -183,7 +183,7 @@ do_unit_move(struct emp_qelem *ulist, int *together,
cp++; cp++;
continue; continue;
} }
ac = parse(cp, player->argp, NULL, scanspace, NULL); ac = parse(cp, scanspace, player->argp, NULL, NULL, NULL);
if (ac <= 1) { if (ac <= 1) {
sprintf(dp, "%d", leader->uid); sprintf(dp, "%d", leader->uid);
player->argp[1] = dp; player->argp[1] = dp;

View file

@ -99,7 +99,7 @@ emp_config(char *file)
for (i = 0; buf[i] && isspace(buf[i]); ++i) ; for (i = 0; buf[i] && isspace(buf[i]); ++i) ;
if (!buf[i] || buf[i] == '#') if (!buf[i] || buf[i] == '#')
continue; continue;
if (parse(buf, av, NULL, scanspace, NULL) < 0) { if (parse(buf, scanspace, av, NULL, NULL, NULL) < 0) {
fprintf(stderr, "%s:%d: Can't parse line %s", file, lno, buf); fprintf(stderr, "%s:%d: Can't parse line %s", file, lno, buf);
errors = 1; errors = 1;
continue; continue;

View file

@ -39,21 +39,22 @@
/* /*
* Parse user command in BUF. * Parse user command in BUF.
* BUF is UTF-8. * BUF is UTF-8.
* Set ARG[0] to point to the command name.
* Set ARG[1..N] to point to arguments, where N is the number of
* arguments. Set ARG[N+1..127] to NULL.
* If CONDP is not null, recognize conditional argument syntax, and
* set *CONDP to the conditional argument if present, else NULL.
* Command name and arguments are copied into SPACE[], whose size must * Command name and arguments are copied into SPACE[], whose size must
* be at least strlen(BUF) + 1. * be at least strlen(BUF) + 1.
* Set ARG[0] to the zero-terminated command name.
* Set ARG[1..N] to the zero-terminated arguments, where N is the
* number of arguments. Set ARG[N+1..127] to NULL.
* Set TAIL[0..N] to beginning of ARG[0] in BUF[].
* If CONDP is not null, recognize conditional argument syntax, and
* set *CONDP to the conditional argument if present, else NULL.
* If REDIR is not null, recognize redirection syntax, and set *REDIR * If REDIR is not null, recognize redirection syntax, and set *REDIR
* to UTF-8 redirection string if present, else NULL. * to UTF-8 redirection string if present, else NULL.
* Return number of slots used in ARG[], or -1 on error. * Return number of slots used in ARG[], or -1 on error.
*/ */
int int
parse(char *buf, char **arg, char **condp, char *space, char **redir) parse(char *buf, char *space, char **arg,
char **tail, char **condp, char **redir)
{ {
char *ap;
int i, quoted, argnum; int i, quoted, argnum;
if (redir) if (redir)
@ -72,9 +73,17 @@ parse(char *buf, char **arg, char **condp, char *space, char **redir)
break; break;
} }
if (condp && *buf == '?') {
buf++;
*condp = space;
} else {
if (tail)
tail[argnum] = buf;
arg[argnum++] = space;
}
/* copy argument */ /* copy argument */
quoted = 0; quoted = 0;
ap = space;
for (; *buf && (quoted || !isspace(*(unsigned char *)buf)); buf++) { for (; *buf && (quoted || !isspace(*(unsigned char *)buf)); buf++) {
if (*buf == '"') if (*buf == '"')
quoted = !quoted; quoted = !quoted;
@ -83,16 +92,13 @@ parse(char *buf, char **arg, char **condp, char *space, char **redir)
/* else funny character; ignore */ /* else funny character; ignore */
} }
*space++ = 0; *space++ = 0;
/* store copied argument as conditional or regular argument */
if (condp && *ap == '?')
*condp = ap + 1;
else
arg[argnum++] = ap;
} }
for (i = argnum; i < 128; i++) for (i = argnum; i < 128; i++) {
arg[i] = NULL; arg[i] = NULL;
if (tail)
tail[i] = NULL;
}
return argnum; return argnum;
} }

View file

@ -91,7 +91,7 @@ player_login(void *ud)
io_input(player->iop, IO_WAIT); io_input(player->iop, IO_WAIT);
continue; continue;
} }
ac = parse(buf, player->argp, NULL, space, NULL); ac = parse(buf, space, player->argp, NULL, NULL, NULL);
cmd = comtch(player->argp[0], login_coms, 0); cmd = comtch(player->argp[0], login_coms, 0);
if (cmd < 0) { if (cmd < 0) {
pr_id(player, C_BADCMD, "Command %s not found\n", player->argp[0]); pr_id(player, C_BADCMD, "Command %s not found\n", player->argp[0]);

View file

@ -141,8 +141,8 @@ command(void)
if (getcommand(player->combuf) < 0) if (getcommand(player->combuf) < 0)
return 0; return 0;
if (parse(player->combuf, player->argp, &player->condarg, if (parse(player->combuf, scanspace, player->argp, player->comtail,
scanspace, &redir) < 0) { &player->condarg, &redir) < 0) {
pr("See \"info Syntax\"?\n"); pr("See \"info Syntax\"?\n");
} else { } else {
if (dispatch(player->combuf, redir) < 0) if (dispatch(player->combuf, redir) < 0)
@ -287,8 +287,8 @@ execute(void)
while (!failed && status()) { while (!failed && status()) {
if (recvclient(buf, sizeof(buf)) < 0) if (recvclient(buf, sizeof(buf)) < 0)
break; break;
if (parse(buf, player->argp, &player->condarg, if (parse(buf, scanspace, player->argp, player->comtail,
scanspace, &redir) < 0) { &player->condarg, &redir) < 0) {
failed = 1; failed = 1;
continue; continue;
} }