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Make xdump code available for future use outside the server

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Move the bits useful there from src/lib/commands/xdump.c to new
include/xdump.h and src/lib/common/xdump.c.
This commit is contained in:
Markus Armbruster 2008-02-08 21:51:24 +01:00
parent d83dd2f5e4
commit b9c725224e
6 changed files with 298 additions and 210 deletions
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208
src/lib/commands/xdump.c
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@ -31,188 +31,14 @@
* Markus Armbruster, 2004-2008
*/
/*
* 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[]
* - News item characteristics: rpt[]
* - News page headings: page_headings[]
* - Commands: player_coms[] (TODO)
* - Update schedule: update_time[] (not really static)
* - Configuration: configkeys[]
*
* Dynamic game data:
* - 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
*/
/*
* See doc/xdump for motivation, syntax, semantics, and rationale.
* Make sure to keep it up-to-date!
*/
/* 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"
/* 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.
* XD is the xdump descriptor.
* 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.
* LEN is the #array elements if it is an array, else zero.
*/
static struct valstr *
xdeval(struct valstr *val, struct xdstr *xd,
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, xd->cnum, ptr, NSC_NOTYPE);
return val; /* FIXME nstr_exec_val() should return VAL */
}
/* Dump VAL prefixed with SEP, return " ". */
static char *
xdprval(struct xdstr *xd, struct valstr *val, char *sep)
{
unsigned char *s, *e, *l;
switch (val->val_type) {
case NSC_LONG:
xd->pr("%s%ld", sep, val->val_as.lng);
break;
case NSC_DOUBLE:
xd->pr("%s%#g", sep, val->val_as.dbl);
break;
case NSC_STRING:
s = (unsigned char *)val->val_as.str.base;
if (s) {
xd->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)
;
xd->pr("%.*s", (int)(e-s), s);
if (e < l && *e)
xd->pr("\\%03o", *e++);
else
break;
s = e;
}
xd->pr("\"");
} else
xd->pr("%snil", sep);
break;
default:
CANT_REACH();
xd->pr("0");
}
return " ";
}
/*
* Dump field values of a context object to XD.
* CA[] describes fields.
* PTR points to context object.
*/
static void
xdflds(struct xdstr *xd, struct castr ca[], void *ptr)
{
int i, j, n;
struct valstr val;
char *sep = "";
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;
n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0;
j = 0;
do {
xdeval(&val, xd,
ca[i].ca_type, ptr, ca[i].ca_off, j, ca[i].ca_len);
sep = xdprval(xd, &val, sep);
} while (++j < n);
}
}
/*
* Dump header for dump NAME.
* If META, it's for the meta-data dump rather than the data dump.
*/
static void
xdhdr(struct xdstr *xd, char *name, int meta)
{
xd->pr("XDUMP %s%s %ld\n", meta ? "meta " : "", name, (long)time(NULL));
}
/* Dump footer for a dump that dumped N objects. */
static void
xdftr(struct xdstr *xd, int n)
{
xd->pr("/%d\n", n);
}
#include "xdump.h"
/*
* Is object P of type TYPE visible to the player?
@ -322,37 +148,6 @@ xditem(struct xdstr *xd, int type, char *arg)
return RET_OK;
}
/*
* Dump meta-data for items of type TYPE to XD.
* Return RET_OK.
*/
static int
xdmeta(struct xdstr *xd, int type)
{
struct castr *ca = ef_cadef(type);
int i;
int n = 0;
if (!ca)
return RET_SYN;
xdhdr(xd, ef_nameof(type), 1);
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;
xdflds(xd, mdchr_ca, &ca[i]);
xd->pr("\n");
n++;
}
xdftr(xd, n);
return RET_OK;
}
/*
* Dump configkeys[] to XD.
* If META, dump meta-data rather than data.
@ -410,7 +205,6 @@ xdver(struct xdstr *xd, int meta)
return RET_OK;
}
/* Experimental extended dump command */
int
xdump(void)
{