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Prepare some xdump code for future use outside the server

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We don't have player->cnum, player->god and pr() there.  Pass
parameters instead.
This commit is contained in:
Markus Armbruster 2008-02-08 21:12:43 +01:00
parent c75d19b082
commit 761d631816
1 changed files with 64 additions and 40 deletions
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104
src/lib/commands/xdump.c
View file

@ -28,7 +28,7 @@
* xdump.c: Extended dump * xdump.c: Extended dump
* *
* Known contributors to this file: * Known contributors to this file:
* Markus Armbruster, 2004-2007 * Markus Armbruster, 2004-2008
*/ */
/* /*
@ -85,17 +85,40 @@
#include "treaty.h" #include "treaty.h"
#include "version.h" #include "version.h"
/* xdump descriptor */
struct xdstr {
natid cnum; /* dump for this country */
int divine; /* is this a deity dump? */
void (*pr)(char *fmt, ...); /* callback for printing dump */
};
/*
* Initialize XD to dump for country CNUM.
* Dump is to be delivered through callback PR.
* Return XD.
*/
static struct xdstr *
xdinit(struct xdstr *xd, natid cnum, void (*pr)(char *fmt, ...))
{
xd->cnum = cnum;
xd->divine = getnatp(cnum)->nat_stat == STAT_GOD;
xd->pr = pr;
return xd;
}
/* /*
* Evaluate a attribute of an object into VAL, return VAL. * Evaluate a attribute of an object into VAL, return VAL.
* CA describes the attribute. * CA describes the attribute.
* XD is the xdump descriptor.
* PTR points to the context object. * PTR points to the context object.
* IDX is the index within the attribute. * IDX is the index within the attribute.
*/ */
static struct valstr * static struct valstr *
xdeval(struct valstr *val, struct castr *ca, void *ptr, int idx) xdeval(struct valstr *val, struct xdstr *xd,
struct castr *ca, void *ptr, int idx)
{ {
nstr_mksymval(val, ca, idx); nstr_mksymval(val, ca, idx);
return nstr_exec_val(val, player->cnum, ptr, NSC_NOTYPE); return nstr_exec_val(val, xd->cnum, ptr, NSC_NOTYPE);
} }
/* /*
@ -103,26 +126,26 @@ xdeval(struct valstr *val, struct castr *ca, void *ptr, int idx)
* VAL must be evaluated. * VAL must be evaluated.
*/ */
static char * static char *
xdprval(struct valstr *val, char *sep) xdprval(struct xdstr *xd, struct valstr *val, char *sep)
{ {
unsigned char *s, *e, *l; unsigned char *s, *e, *l;
if (CANT_HAPPEN(val->val_cat != NSC_VAL)) { if (CANT_HAPPEN(val->val_cat != NSC_VAL)) {
pr("%snil", sep); xd->pr("%snil", sep);
return " "; return " ";
} }
switch (val->val_type) { switch (val->val_type) {
case NSC_LONG: case NSC_LONG:
pr("%s%ld", sep, val->val_as.lng); xd->pr("%s%ld", sep, val->val_as.lng);
break; break;
case NSC_DOUBLE: case NSC_DOUBLE:
pr("%s%#g", sep, val->val_as.dbl); xd->pr("%s%#g", sep, val->val_as.dbl);
break; break;
case NSC_STRING: case NSC_STRING:
s = (unsigned char *)val->val_as.str.base; s = (unsigned char *)val->val_as.str.base;
if (s) { if (s) {
pr("%s\"", sep); xd->pr("%s\"", sep);
l = s + val->val_as.str.maxsz; l = s + val->val_as.str.maxsz;
/* FIXME maxsz == INT_MAX ! */ /* FIXME maxsz == INT_MAX ! */
for (;;) { for (;;) {
@ -130,46 +153,46 @@ xdprval(struct valstr *val, char *sep)
e < l && *e != '"' && *e != '\\' && isgraph(*e); e < l && *e != '"' && *e != '\\' && isgraph(*e);
++e) ++e)
; ;
pr("%.*s", (int)(e-s), s); xd->pr("%.*s", (int)(e-s), s);
if (e < l && *e) if (e < l && *e)
pr("\\%03o", *e++); xd->pr("\\%03o", *e++);
else else
break; break;
s = e; s = e;
} }
pr("\""); xd->pr("\"");
} else } else
pr("%snil", sep); xd->pr("%snil", sep);
break; break;
default: default:
CANT_REACH(); CANT_REACH();
pr("%snil", sep); xd->pr("%snil", sep);
} }
return " "; return " ";
} }
/* /*
* Dump field values of a context object. * Dump field values of a context object to XD.
* CA[] describes fields. * CA[] describes fields.
* PTR points to context object. * PTR points to context object.
*/ */
static void static void
xdflds(struct castr ca[], void *ptr) xdflds(struct xdstr *xd, struct castr ca[], void *ptr)
{ {
int i, j, n; int i, j, n;
struct valstr val; struct valstr val;
char *sep = ""; char *sep = "";
for (i = 0; ca[i].ca_name; ++i) { for (i = 0; ca[i].ca_name; ++i) {
if (ca[i].ca_flags & NSC_DEITY && !player->god) if (ca[i].ca_flags & NSC_DEITY && !xd->divine)
continue; continue;
if (ca[i].ca_flags & NSC_EXTRA) if (ca[i].ca_flags & NSC_EXTRA)
continue; continue;
n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0; n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0;
j = 0; j = 0;
do { do {
xdeval(&val, &ca[i], ptr, j); xdeval(&val, xd, &ca[i], ptr, j);
sep = xdprval(&val, sep); sep = xdprval(xd, &val, sep);
} while (++j < n); } while (++j < n);
} }
} }
@ -179,16 +202,16 @@ xdflds(struct castr ca[], void *ptr)
* If META, it's for the meta-data dump rather than the data dump. * If META, it's for the meta-data dump rather than the data dump.
*/ */
static void static void
xdhdr(char *name, int meta) xdhdr(struct xdstr *xd, char *name, int meta)
{ {
pr("XDUMP %s%s %ld\n", meta ? "meta " : "", name, (long)time(NULL)); xd->pr("XDUMP %s%s %ld\n", meta ? "meta " : "", name, (long)time(NULL));
} }
/* Dump footer for a dump that dumped N objects. */ /* Dump footer for a dump that dumped N objects. */
static void static void
xdftr(int n) xdftr(struct xdstr *xd, int n)
{ {
pr("/%d\n", n); xd->pr("/%d\n", n);
} }
/* /*
@ -265,11 +288,11 @@ xdvisible(int type, void *p)
} }
/* /*
* 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. * Return RET_OK on success, RET_SYN on error.
*/ */
static int static int
xditem(int type, char *arg) xditem(struct xdstr *xd, int type, char *arg)
{ {
struct castr *ca; struct castr *ca;
struct nstr_item ni; struct nstr_item ni;
@ -283,28 +306,28 @@ xditem(int type, char *arg)
if (!snxtitem(&ni, type, arg)) if (!snxtitem(&ni, type, arg))
return RET_SYN; return RET_SYN;
xdhdr(ef_nameof(type), 0); xdhdr(xd, ef_nameof(type), 0);
n = 0; n = 0;
while (nxtitem(&ni, buf)) { while (nxtitem(&ni, buf)) {
if (!xdvisible(type, buf)) if (!xdvisible(type, buf))
continue; continue;
++n; ++n;
xdflds(ca, buf); xdflds(xd, ca, buf);
pr("\n"); xd->pr("\n");
} }
xdftr(n); xdftr(xd, n);
return RET_OK; return RET_OK;
} }
/* /*
* Dump meta-data for items of type TYPE. * Dump meta-data for items of type TYPE to XD.
* Return RET_OK. * Return RET_OK.
*/ */
static int static int
xdmeta(int type) xdmeta(struct xdstr *xd, int type)
{ {
struct castr *ca = ef_cadef(type); struct castr *ca = ef_cadef(type);
int i; int i;
@ -313,19 +336,19 @@ xdmeta(int type)
if (!ca) if (!ca)
return RET_SYN; return RET_SYN;
xdhdr(ef_nameof(type), 1); xdhdr(xd, ef_nameof(type), 1);
for (i = 0; ca[i].ca_name; i++) { for (i = 0; ca[i].ca_name; i++) {
if (ca[i].ca_flags & NSC_DEITY && !player->god) if (ca[i].ca_flags & NSC_DEITY && !xd->divine)
continue; continue;
if (ca[i].ca_flags & NSC_EXTRA) if (ca[i].ca_flags & NSC_EXTRA)
continue; continue;
xdflds(mdchr_ca, &ca[i]); xdflds(xd, mdchr_ca, &ca[i]);
pr("\n"); xd->pr("\n");
n++; n++;
} }
xdftr(n); xdftr(xd, n);
return RET_OK; return RET_OK;
} }
@ -336,9 +359,10 @@ xdump(void)
{ {
char *p; char *p;
char buf[1024]; char buf[1024];
struct xdstr xd;
struct natstr *natp;
int type; int type;
int meta = 0; int meta = 0;
struct natstr *natp;
p = getstarg(player->argp[1], "Table name, or meta? ", buf); p = getstarg(player->argp[1], "Table name, or meta? ", buf);
if (p && strcmp(p, "meta") == 0) { if (p && strcmp(p, "meta") == 0) {
@ -348,19 +372,19 @@ xdump(void)
if (!p || !*p) if (!p || !*p)
return RET_SYN; return RET_SYN;
xdinit(&xd, player->cnum, pr);
natp = getnatp(player->cnum); natp = getnatp(player->cnum);
type = isdigit(p[0]) ? atoi(p) : ef_byname(p); type = isdigit(p[0]) ? atoi(p) : ef_byname(p);
if (type < 0 || type >= EF_MAX) if (type < 0 || type >= EF_MAX)
return RET_SYN; return RET_SYN;
if (meta) if (meta)
return xdmeta(type); return xdmeta(&xd, type);
if ((EF_IS_GAME_STATE(type) || EF_IS_VIEW(type)) if ((EF_IS_GAME_STATE(type) || EF_IS_VIEW(type))
&& !(natp->nat_stat == STAT_ACTIVE || player->god)) { && !(natp->nat_stat == STAT_ACTIVE || player->god)) {
pr("Access to table %s denied\n", ef_nameof(type)); pr("Access to table %s denied\n", ef_nameof(type));
return RET_FAIL; return RET_FAIL;
} }
if (type == EF_VERSION && !player->argp[2]) if (type == EF_VERSION && !player->argp[2])
return xditem(type, "*"); /* backward compatibility */ return xditem(&xd, type, "*"); /* backward compatibility */
return xditem(type, player->argp[2]); return xditem(&xd, type, player->argp[2]);
} }