/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * 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, 2004-2011
*/
-#include <stddef.h>
-#include "misc.h"
-#include "file.h"
-#include "match.h"
+#include <config.h>
+
+#include <ctype.h>
+#include "commands.h"
+#include "empobj.h"
#include "news.h"
-#include "nsc.h"
#include "optlist.h"
-#include "commands.h"
-
-/*
- * Dump everything under the sun
- *
- * Static game data (configuration):
- * - Item characteristics: ichr[]
- * - Land unit characteristics: lchr[]
- * - Nuke characteristics: nchr[]
- * - Plane characteristics: plchr[]
- * - Product characteristics: pchr[]
- * - Sector designation characteristics: dchr[]
- * - Sector infrastructure characteristics: intrchr[]
- * - Ship characteristics: mchr[]
- * Less important:
- * - News item characteristics: rpt[]
- * - News page headings: page_headings[] (TODO)
- * - Commands: player_coms[] (TODO)
- * - Options: Options[]
- * - 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[]
- * - Map: EF_MAP (TODO)
- * - Bmap: EF_BMAP (TODO)
- * - Market: EF_COMM, commodity_ca[]
- */
-
-/* FIXME document dump format */
-/* FIXME don't dump stuff that's useless due to options */
+#include "version.h"
+#include "xdump.h"
/*
- * Evaluate a attribute of an object into VAL, return VAL.
- * TYPE is the attribute's type.
- * PTR points to the context object.
- * The attribute is stored there at offset OFF + IDX * S, where S is
- * its size.
+ * Is object P of type TYPE visible to the player?
+ * TODO: Fold this into interators.
*/
-static struct valstr *
-xdeval(struct valstr *val, nsc_type type, void *ptr, ptrdiff_t off, int idx)
-{
- val->val_type = type;
- val->val_cat = NSC_OFF;
- val->val_as.sym.off = off;
- val->val_as.sym.idx = idx;
- nstr_exec_val(val, player->cnum, ptr, NSC_NOTYPE);
- return val; /* FIXME nstr_exec_val() should return VAL */
-}
-
-/* Dump VAL prefixed with SEP, return " ". */
-static char *
-xdprval(struct valstr *val, char *sep)
+static int
+xdvisible(int type, void *p)
{
- unsigned char *s, *e, *l;
-
- switch (val->val_type) {
- case NSC_TYPEID:
- case NSC_LONG:
- pr("%s%ld", sep, val->val_as.lng);
- break;
- case NSC_DOUBLE:
- pr("%s%#g", sep, val->val_as.dbl);
- break;
- case NSC_STRING:
- s = (unsigned char *)val->val_as.str.base;
- if (s) {
- pr("%s\"", sep);
- l = s + val->val_as.str.maxsz;
- /* FIXME maxsz == INT_MAX ! */
- for (;;) {
- for (e=s; e<l && *e != '"' && *e != '\\' && isgraph(*e); ++e) ;
- pr("%.*s", (int)(e-s), s);
- if (e < l && *e)
- pr("\\%03o", *e++);
- else
- break;
- s = e;
- }
- pr("\"");
- } else
- pr("%snil", sep);
- break;
+ 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:
- CANT_HAPPEN("Bad VAL type");
- pr("0");
+ return 1;
}
- return " ";
}
/*
- * Dump field values of a context object.
- * CA[] describes fields.
- * PTR points to context object.
+ * Dump meta-data for items of type TYPE to XD.
+ * Return RET_SYN when TYPE doesn't have meta-data, else RET_OK.
*/
-static void
-xdflds(struct castr ca[], void *ptr)
+static int
+xdmeta(struct xdstr *xd, int type)
{
- int i, j, n;
- struct valstr val;
- char *sep = "";
+ struct castr *ca = ef_cadef(type);
+ int i;
+ int n = 0;
- for (i = 0; ca[i].ca_name; ++i) {
- if (ca[i].ca_flags & NSC_DEITY && !player->god)
- continue;
- if (ca[i].ca_flags & NSC_EXTRA)
- continue;
- 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);
- sep = xdprval(&val, sep);
- } while (++j < n);
- }
-}
+ if (!ca)
+ return RET_SYN;
-/* Dump field names; CA[] describes fields. */
-static void
-xdfldnam(struct castr ca[])
-{
- int i;
- char *sep = "";
+ xdhdr(xd, ef_nameof(type), 1);
+ xdcolhdr(xd, ca);
- for (i = 0; ca[i].ca_name; ++i) {
- if (ca[i].ca_flags & NSC_DEITY && !player->god)
+ for (i = 0; ca[i].ca_name; i++) {
+ if (ca[i].ca_flags & NSC_DEITY && !xd->divine)
continue;
if (ca[i].ca_flags & NSC_EXTRA)
continue;
- pr("%s%s", sep, ca[i].ca_name);
- if (ca[i].ca_len && ca[i].ca_type != NSC_STRINGY)
- pr(" %d", ca[i].ca_len);
- sep = " ";
+ xdflds(xd, mdchr_ca, &ca[i]);
+ xd->pr("\n");
+ n++;
}
-}
-/* Dump first line of header for dump NAME. */
-static void
-xdhdr1(char *name, int meta)
-{
- pr("XDUMP %s%s %ld\n", meta ? "meta " : "", name, (long)time(NULL));
-}
-
-/* Dump header for dump NAME with fields described by CA[]. */
-static void
-xdhdr(char *name, struct castr ca[], int meta)
-{
- xdhdr1(name, meta);
- xdfldnam(ca);
- pr("\n");
-}
+ xdftr(xd, n);
-/* Dump footer for a dump that dumped N objects. */
-static void
-xdftr(int n)
-{
- pr("/%d\n", n);
+ return RET_OK;
}
/*
- * Dump items of type TYPE selected by ARG.
+ * Dump items of type TYPE selected by ARG to XD.
* Return RET_OK on success, RET_SYN on error.
*/
static int
-xditem(int type, char *arg)
+xditem(struct xdstr *xd, int type, char *arg)
{
- int check_owner = !player->god && (ef_flags(type) & EFF_OWNER) != 0;
struct castr *ca;
struct nstr_item ni;
int n;
if (!ca)
return RET_SYN;
- if (!snxtitem(&ni, type, arg))
+ if (!snxtitem(&ni, type, arg, NULL))
return RET_SYN;
- xdhdr(ef_nameof(type), ca, 0);
+ xdhdr(xd, ef_nameof(type), 0);
n = 0;
while (nxtitem(&ni, buf)) {
- if (check_owner && ((struct genitem *)buf)->own != player->cnum)
+ if (!xdvisible(type, buf))
continue;
++n;
- xdflds(ca, buf);
- pr("\n");
+ xdflds(xd, ca, buf);
+ xd->pr("\n");
}
- xdftr(n);
+ xdftr(xd, n);
return RET_OK;
}
-/*
- * Dump meta-data for items of type TYPE.
- * Return RET_OK.
- */
-static int
-xdmeta(int type)
-{
- struct castr *ca = ef_cadef(type);
- int i;
-
- if (!ca)
- return RET_SYN;
-
- xdhdr(ef_nameof(type), mdchr_ca, 1);
-
- for (i = 0; ca[i].ca_name; i++) {
- if (ca[i].ca_flags & NSC_DEITY && !player->god)
- continue;
- if (ca[i].ca_flags & NSC_EXTRA)
- continue;
- xdflds(mdchr_ca, &ca[i]);
- pr("\n");
- }
-
- xdftr(i);
-
- return RET_OK;
-}
-
-/* Dump Options[], return RET_OK. */
-static int
-xdopt(void)
-{
- int i;
- char *sep;
-
- xdhdr1("options" , 0);
-
- sep = "";
- for (i = 0; Options[i].opt_key; ++i) {
- pr("%s%s", sep, Options[i].opt_key);
- sep = " ";
- }
- pr("\n");
-
- 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;
-}
-
-static int
-xdver(void)
-{
- struct keymatch *kp;
- char *sep;
- struct valstr val;
-
- xdhdr1("version", 0);
-
- sep = "";
- for (kp = configkeys; kp->km_key; ++kp) {
- if (kp->km_type != NSC_NOTYPE && !(kp->km_flags & KM_INTERNAL)) {
- pr("%s%s", sep, kp->km_key);
- sep = " ";
- }
- }
- pr("\n");
-
- sep = "";
- 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);
- sep = xdprval(&val, sep);
- }
- }
- pr("\n");
-
- xdftr(1);
-
- return RET_OK;
-}
-
-/* Experimental extended dump command */
+/* Extended dump command */
int
xdump(void)
{
char *p;
char buf[1024];
+ struct xdstr xd;
+ struct natstr *natp;
int type;
int meta = 0;
- 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;
- type = ef_byname(p);
- if (type >= 0) {
- if (meta)
- return xdmeta(type);
- else
- return xditem(type, player->argp[2]);
- } else if (!strncmp(p, "opt", strlen(p))) {
- return xdopt();
- } else if (!strncmp(p, "ver", strlen(p))) {
- return xdver();
+ xdinit(&xd, player->cnum, 0, pr);
+ natp = getnatp(player->cnum);
+ type = isdigit(p[0]) ? atoi(p) : ef_byname(p);
+ if (type < 0 || type >= EF_MAX)
+ return RET_SYN;
+ if (meta)
+ return xdmeta(&xd, type);
+ 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;
}
-
- return RET_SYN;
+ return xditem(&xd, type, player->argp[2]);
}
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