/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* Known contributors to this file:
* Dave Pare, 1989
* Steve McClure, 1997
- * Markus Armbruster, 2004-2005
+ * Markus Armbruster, 2004-2006
*/
#include <config.h>
+#include <ctype.h>
#include <limits.h>
-#include "misc.h"
#include "file.h"
#include "match.h"
-#include "nsc.h"
+#include "nat.h"
#include "optlist.h"
+#include "player.h"
#include "prototypes.h"
static char *nstr_parse_val(char *, struct valstr *);
static int nstr_match_ca(struct valstr *, struct castr *);
-static int nstr_match_val(struct valstr *, int, struct castr *, int);
+static int nstr_match_val(struct valstr *, struct castr *, int);
static int nstr_string_ok(struct castr *ca, int idx);
static struct valstr *nstr_resolve_sel(struct valstr *, struct castr *);
static struct valstr *nstr_mkselval(struct valstr *, int, struct castr *);
* possible. Example: n<n for sectors could mean newdes<n or
* n<newdes.
*/
- lft_val = nstr_match_val(&np->lft, type, ca, rgt_caidx);
- rgt_val = nstr_match_val(&np->rgt, type, ca, lft_caidx);
+ lft_val = nstr_match_val(&np->lft, ca, rgt_caidx);
+ rgt_val = nstr_match_val(&np->rgt, ca, lft_caidx);
/*
* if lft_val >= 0, then rhs names a selector and lhs names
* one of its values. Likewise for rgt_val.
lft_type = nstr_promote(np->lft.val_type);
rgt_type = nstr_promote(np->rgt.val_type);
np->optype = NSC_NOTYPE;
- if (lft_type == NSC_TYPEID) {
- if (!nstr_coerce_val(&np->rgt, NSC_TYPEID, str))
- np->optype = NSC_TYPEID;
- } else if (rgt_type == NSC_TYPEID) {
- if (!nstr_coerce_val(&np->lft, NSC_TYPEID, str))
- np->optype = NSC_TYPEID;
- } else if (lft_type == NSC_STRING) {
+ if (lft_type == NSC_STRING) {
if (!nstr_coerce_val(&np->rgt, NSC_STRING, str))
np->optype = NSC_STRING;
} else if (rgt_type == NSC_STRING) {
rgt = np[i].rgt;
nstr_exec_val(&rgt, player->cnum, ptr, optype);
switch (optype) {
- case NSC_TYPEID:
case NSC_LONG:
if (!EVAL(op, lft.val_as.lng, rgt.val_as.lng))
return 0;
/*
* Parse a value in STR into VAL.
* Return a pointer to the first character after the value.
- * Value is either evaluated (but not NSC_TYPEID) or an identifier.
+ * Value is either evaluated into NSC_STRING, NSC_DOUBLE or NSC_LONG,
+ * or an identifier.
*/
static char *
nstr_parse_val(char *str, struct valstr *val)
val->val_as.str.base = str + 1;
val->val_as.str.maxsz = tail - (str + 1);
if (*tail) ++tail;
+ /* FIXME else unclosed string */
return tail;
}
/*
* Match VAL in a selector's values, return its (non-negative) value.
- * TYPE is the context type, a file type.
- * CA is ef_cadef(TYPE). If it is null, then IDX must be negative.
* Match values of selector descriptor CA[IDX], provided IDX is not
- * negative.
+ * negative. CA may be null when IDX is negative.
* Return M_NOTFOUND if there are no matches, M_NOTUNIQUE if there are
* several.
- * TODO: This is just a stub and works only for NSC_TYPEID.
- * Generalize: give struct castr enough info to find values, remove
- * parameter `type'.
*/
static int
-nstr_match_val(struct valstr *val, int type, struct castr *ca, int idx)
+nstr_match_val(struct valstr *val, struct castr *ca, int idx)
{
char id[32];
if (val->val_cat != NSC_ID || val->val_as.str.maxsz >= sizeof(id))
return M_NOTFOUND;
- if (idx < 0 || ca[idx].ca_type != NSC_TYPEID)
+ if (idx < 0 || ca[idx].ca_table == EF_BAD)
+ return M_NOTFOUND;
+ if (CANT_HAPPEN(nstr_promote(ca[idx].ca_type) != NSC_LONG))
return M_NOTFOUND;
memcpy(id, val->val_as.str.base, val->val_as.str.maxsz);
id[val->val_as.str.maxsz] = 0;
- return typematch(id, type);
+ return ef_elt_byname(ca[idx].ca_table, id);
}
/*
static struct valstr *
nstr_mkselval(struct valstr *val, int selval, struct castr *ca)
{
- if (CANT_HAPPEN(ca->ca_type != NSC_TYPEID)) {
+ if (CANT_HAPPEN(nstr_promote(ca->ca_type) != NSC_LONG
+ || ca->ca_table == EF_BAD)) {
val->val_type = NSC_NOTYPE;
val->val_cat = NSC_NOCAT;
return val;
* Promote VALTYPE.
* If VALTYPE is an integer type, return NSC_LONG.
* If VALTYPE is a floating-point type, return NSC_DOUBLE.
- * If VALTYPE is NSC_STRINGY, return NSC_STRING.
- * If VALTYPE is NSC_NOTYPE, NSC_STRING or NSC_TYPEID, return VALTYPE.
+ * If VALTYPE is a string type, return NSC_STRING.
*/
static int
nstr_promote(int valtype)
{
switch (valtype) {
- case NSC_NOTYPE:
case NSC_LONG:
case NSC_DOUBLE:
case NSC_STRING:
- case NSC_TYPEID:
break;
case NSC_CHAR:
case NSC_UCHAR:
if (from != to) {
switch (to) {
- case NSC_TYPEID:
- return cond_type_mismatch(str);
case NSC_STRING:
return cond_type_mismatch(str); /* FIXME implement */
case NSC_DOUBLE:
case NSC_TIME:
val->val_as.lng = ((time_t *)memb_ptr)[idx];
break;
- case NSC_TYPEID:
- val->val_as.lng = ((signed char *)memb_ptr)[idx];
- valtype = NSC_TYPEID;
- break;
default:
CANT_REACH();
val->val_as.lng = 0;
if (CANT_HAPPEN(valtype != want && want != NSC_NOTYPE)) {
valtype = want;
switch (want) {
- case NSC_TYPEID:
case NSC_LONG: val->val_as.lng = 0; break;
case NSC_DOUBLE: val->val_as.dbl = 0.0; break;
case NSC_STRING: val->val_as.str.base = NULL; break;