/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, 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
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
- * xdump.c: Experimental extended dump
+ * xdump.c: Extended dump
*
* Known contributors to this file:
- * Markus Armbruster, 2004
+ * Markus Armbruster, 2004-2007
*/
-#include <stddef.h>
-#include "misc.h"
-#include "file.h"
-#include "match.h"
-#include "news.h"
-#include "nsc.h"
-#include "optlist.h"
-#include "commands.h"
-
/*
* Dump everything under the sun
*
* - Sector designation characteristics: dchr[]
* - Sector infrastructure characteristics: intrchr[]
* - Ship characteristics: mchr[]
- * Less important:
* - News item characteristics: rpt[]
- * - News page headings: page_headings[] (TODO)
+ * - News page headings: page_headings[]
* - Commands: player_coms[] (TODO)
- * - Options: Options[]
+ * - Update schedule: update_time[] (not really static)
* - Configuration: configkeys[]
*
* Dynamic game data:
- * - Sectors: EF_SECTOR, sect_ca[] (already have dump)
- * - Land units: EF_LAND, land_ca[] (already have ldump)
- * - Lost: EF_LOST, lost_ca[] (already have lost)
- * - Nukes: EF_NUKE, nuke_ca[] (already have ndump)
- * - Planes: EF_PLANE, plane_ca[] (already have pdump)
- * - Ships: EF_SHIP, ship_ca[] (already have sdump)
- * - News: EF_NEWS, news_ca[]
- * - Treaties: EF_TREATY, treaty_ca[]
- * - Power: EF_POWER
- * - Nations: EF_NATION, nat_ca[]
- * - Loans: EF_LOAN, loan_ca[]
+ * - Sectors: EF_SECTOR (superseding dump)
+ * - Land units: EF_LAND (superseding ldump)
+ * - Lost: EF_LOST (superseding lost)
+ * - Nukes: EF_NUKE (superseding ndump)
+ * - Planes: EF_PLANE (superseding pdump)
+ * - Ships: EF_SHIP (superseding sdump)
+ * - News: EF_NEWS
+ * - Treaties: EF_TREATY
+ * - Power: EF_POWER (TODO)
+ * - Nations: EF_NATION
+ * - Loans: EF_LOAN
* - Map: EF_MAP (TODO)
* - Bmap: EF_BMAP (TODO)
- * - Market: EF_COMM, commodity_ca[]
+ * - Market: EF_COMM
+ */
+
+/*
+ * See doc/xdump for motivation, syntax, semantics, and rationale.
+ * Make sure to keep it up-to-date!
*/
-/* FIXME document dump format */
-/* FIXME don't dump stuff that's useless due to options */
+/* TODO don't dump stuff that's useless due to options */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stddef.h>
+#include "commands.h"
+#include "empobj.h"
+#include "match.h"
+#include "news.h"
+#include "optlist.h"
+#include "treaty.h"
+#include "version.h"
/*
* Evaluate a attribute of an object into VAL, return VAL.
* PTR points to the context object.
* The attribute is stored there at offset OFF + IDX * S, where S is
* its size.
+ * LEN is the #array elements if it is an array, else zero.
*/
static struct valstr *
-xdeval(struct valstr *val, nsc_type type, void *ptr, ptrdiff_t off, int idx)
+xdeval(struct valstr *val,
+ nsc_type type, void *ptr, ptrdiff_t off, int idx, int len)
{
val->val_type = type;
val->val_cat = NSC_OFF;
val->val_as.sym.off = off;
+ val->val_as.sym.len = len;
val->val_as.sym.idx = idx;
nstr_exec_val(val, player->cnum, ptr, NSC_NOTYPE);
return val; /* FIXME nstr_exec_val() should return VAL */
unsigned char *s, *e, *l;
switch (val->val_type) {
- case NSC_TYPEID:
case NSC_LONG:
pr("%s%ld", sep, val->val_as.lng);
break;
l = s + val->val_as.str.maxsz;
/* FIXME maxsz == INT_MAX ! */
for (;;) {
- for (e=s; e<l && *e != '"' && *e != '\\' && isgraph(*e); ++e) ;
+ for (e = s;
+ e < l && *e != '"' && *e != '\\' && isgraph(*e);
+ ++e)
+ ;
pr("%.*s", (int)(e-s), s);
if (e < l && *e)
pr("\\%03o", *e++);
pr("%snil", sep);
break;
default:
- CANT_HAPPEN("Bad VAL type");
+ CANT_REACH();
pr("0");
}
return " ";
n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0;
j = 0;
do {
- xdeval(&val, ca[i].ca_type, ptr, ca[i].ca_off, j);
+ xdeval(&val, ca[i].ca_type, ptr, ca[i].ca_off, j, ca[i].ca_len);
sep = xdprval(&val, sep);
} while (++j < n);
}
pr("/%d\n", n);
}
+/*
+ * Is object P of type TYPE visible to the player?
+ * TODO: Fold this into interators.
+ */
+static int
+xdvisible(int type, void *p)
+{
+ struct empobj *gp = p;
+ struct trtstr *tp = p;
+ struct lonstr *lp = p;
+ struct natstr *natp;
+ int tlev;
+
+ switch (type) {
+ case EF_SECTOR:
+ case EF_REALM:
+ return gp->own == player->cnum || player->god;
+ case EF_SHIP:
+ case EF_PLANE:
+ case EF_LAND:
+ case EF_NUKE:
+ case EF_LOST:
+ return gp->own != 0 && (gp->own == player->cnum || player->god);
+ case EF_NATION:
+ return ((struct natstr *)p)->nat_stat != STAT_UNUSED;
+ case EF_COUNTRY:
+ return gp->own == player->cnum;
+ case EF_NEWS:
+ return ((struct nwsstr *)p)->nws_vrb != 0
+ && (!opt_HIDDEN || player->god); /* FIXME */
+ case EF_TREATY:
+ return tp->trt_status != TS_FREE
+ && (tp->trt_cna == player->cnum || tp->trt_cnb == player->cnum
+ || player->god);
+ case EF_LOAN:
+ if (lp->l_status == LS_FREE)
+ return 0;
+ if (lp->l_status == LS_SIGNED)
+ return 1;
+ return lp->l_loner == player->cnum || lp->l_lonee == player->cnum
+ || player->god;
+ case EF_TRADE:
+ case EF_COMM:
+ return gp->own != 0;
+ case EF_SHIP_CHR:
+ tlev = ((struct mchrstr *)p)->m_tech;
+ goto tech;
+ case EF_PLANE_CHR:
+ tlev = ((struct plchrstr *)p)->pl_tech;
+ goto tech;
+ case EF_LAND_CHR:
+ tlev = ((struct lchrstr *)p)->l_tech;
+ tech:
+ natp = getnatp(player->cnum);
+ return player->god || tlev <= (int)(1.25 * natp->nat_level[NAT_TLEV]);
+ case EF_NUKE_CHR:
+ tlev = ((struct nchrstr *)p)->n_tech;
+ if (drnuke_const > MIN_DRNUKE_CONST) {
+ natp = getnatp(player->cnum);
+ if (tlev > (int)((int)(1.25 * natp->nat_level[NAT_RLEV])
+ / drnuke_const))
+ return player->god;
+ }
+ goto tech;
+ case EF_NEWS_CHR:
+ return ((struct rptstr *)p)->r_newspage != 0;
+ case EF_TABLE:
+ return ((struct empfile *)p)->cadef != NULL;
+ default:
+ return 1;
+ }
+}
+
/*
* Dump items of type TYPE selected by ARG.
* Return RET_OK on success, RET_SYN on error.
static int
xditem(int type, char *arg)
{
- int check_owner = !player->god && (ef_flags(type) & EFF_OWNER) != 0;
struct castr *ca;
struct nstr_item ni;
int n;
n = 0;
while (nxtitem(&ni, buf)) {
- if (check_owner && ((struct genitem *)buf)->own != player->cnum)
+ if (!xdvisible(type, buf))
continue;
++n;
xdflds(ca, buf);
if (ca[i].ca_flags & NSC_EXTRA)
continue;
xdflds(mdchr_ca, &ca[i]);
- n++;
pr("\n");
+ n++;
}
xdftr(n);
return RET_OK;
}
-/*
- * Dump Options[], return RET_OK.
- * If META, dump meta-data rather than data.
- */
-static int
-xdopt(int meta)
-{
- int i;
- char *sep;
- struct castr ca;
-
- xdhdr("options", meta);
-
- if (meta) {
- for (i = 0; Options[i].opt_key; ++i) {
- ca.ca_type = NSC_INT;
- ca.ca_flags = 0;
- ca.ca_len = 0;
- ca.ca_off = 0;
- ca.ca_name = Options[i].opt_key;
- ca.ca_table = EF_BAD;
- xdflds(mdchr_ca, &ca);
- pr("\n");
- }
- xdftr(i);
- return RET_OK;
- }
-
- sep = "";
- for (i = 0; Options[i].opt_key; ++i) {
- pr("%s%d", sep, *Options[i].opt_valuep);
- sep = " ";
- }
- pr("\n");
-
- xdftr(1);
-
- return RET_OK;
-}
-
/*
* Dump configkeys[], return RET_OK.
* If META, dump meta-data rather than data.
static int
xdver(int meta)
{
+ static struct castr vers_ca = {
+ NSC_STRINGY, 0, sizeof(PACKAGE_STRING), 0, "version", EF_BAD
+ };
struct keymatch *kp;
char *sep;
int n;
if (meta) {
n = 0;
+ xdflds(mdchr_ca, &vers_ca);
+ pr("\n");
+ n++;
for (kp = configkeys; kp->km_key; ++kp) {
if (kp->km_type != NSC_NOTYPE && !(kp->km_flags & KM_INTERNAL)) {
ca.ca_type = kp->km_type;
return RET_OK;
}
- sep = "";
+ xdeval(&val, vers_ca.ca_type, version, vers_ca.ca_off, 0, vers_ca.ca_len);
+ sep = xdprval(&val, "");
for (kp = configkeys; kp->km_key; ++kp) {
if (kp->km_type != NSC_NOTYPE && !(kp->km_flags & KM_INTERNAL)) {
- xdeval(&val, kp->km_type, kp->km_data, 0, 0);
+ xdeval(&val, kp->km_type, kp->km_data, 0, 0, 0);
sep = xdprval(&val, sep);
}
}
char buf[1024];
int type;
int meta = 0;
+ struct natstr *natp;
- if (!opt_GUINEA_PIGS) {
- pr("You are not a guinea pig!\n");
- return RET_FAIL;
- }
-
- p = getstarg(player->argp[1], "What? ", buf);
+ p = getstarg(player->argp[1], "Table name, or meta? ", buf);
if (p && strcmp(p, "meta") == 0) {
meta = 1;
- p = getstarg(player->argp[2], "What? ", buf);
+ p = getstarg(player->argp[2], "Table name? ", buf);
}
- if (!p)
+ if (!p || !*p)
return RET_SYN;
+ natp = getnatp(player->cnum);
type = isdigit(p[0]) ? atoi(p) : ef_byname(p);
- if (type >= 0) {
+ if (type >= 0 && type < EF_MAX) {
if (meta)
return xdmeta(type);
- else
+ else if ((EF_IS_GAME_STATE(type) || EF_IS_VIEW(type))
+ && !(natp->nat_stat == STAT_ACTIVE || player->god)) {
+ pr("Access to table %s denied\n", ef_nameof(type));
+ return RET_FAIL;
+ } else
return xditem(type, player->argp[2]);
- } else if (!strncmp(p, "opt", strlen(p))) {
- return xdopt(meta);
} else if (!strncmp(p, "ver", strlen(p))) {
return xdver(meta);
}
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