--- /dev/null
+/*
+ * Empire - A multi-player, client/server Internet based war game.
+ * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure
+ *
+ * This program 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
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * 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
+ *
+ * ---
+ *
+ * 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.
+ *
+ * ---
+ *
+ * xundump.c: Text loading functions based on xdump output
+ *
+ * Known contributors to this file:
+ * Ron Koenderink, 2005
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <time.h>
+
+#include "file.h"
+#include "nsc.h"
+#include "match.h"
+
+#define MAX_NUM_COLUMNS 256
+
+static char *fname = "";
+static int lineno = 0;
+
+/*
+ * TODO
+ * This structure could be replaced with struct valstr.
+ */
+enum enum_value {
+ VAL_NOTUSED,
+ VAL_STRING,
+ VAL_SYMBOL,
+ VAL_DOUBLE
+};
+
+struct value {
+ enum enum_value v_type;
+ union {
+ char *v_string;
+ double v_double;
+ } v_field;
+};
+
+static int
+gripe(char *fmt, ...)
+{
+ va_list ap;
+
+ fprintf(stderr, "%s:%d: ", fname, lineno);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ putc('\n', stderr);
+
+ return -1;
+}
+
+static char *
+xuesc(char *buf)
+{
+ char *src, *dst;
+ int octal_chr, n;
+
+ dst = buf;
+ src = buf;
+ while (*src) {
+ if (*src == '\\') {
+ if (sscanf(++src, "%3o%n", &octal_chr, &n) != 1 || n != 3)
+ return NULL;
+ *dst++ = (char)octal_chr;
+ src += 3;
+ } else
+ *dst++ = *src++;
+ }
+ *dst = '\0';
+ return buf;
+}
+
+static int
+xuflds(FILE *fp, struct value values[])
+{
+ int i, ch;
+ char sep;
+ char buf[1024];
+
+ for (i = 0; i < MAX_NUM_COLUMNS; i++) {
+ ch = getc(fp);
+ ungetc(ch, fp);
+
+ switch (ch) {
+ case '+': case '-': case '.':
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ if (fscanf(fp, "%lg%c", &values[i].v_field.v_double, &sep) != 2)
+ return gripe("Malformed number in field %d", i + 1);
+ values[i].v_type = VAL_DOUBLE;
+ break;
+ case '"':
+ if (fscanf(fp, "\"%1023[^ \n]%c", buf, &sep) != 2
+ || buf[strlen(buf)-1] != '"')
+ return gripe("Malformed string in field %d", i + 1);
+ buf[strlen(buf)-1] = '\0';
+ if (!xuesc(buf))
+ return gripe("Invalid escape sequence in field %d",
+ i + 1);
+ values[i].v_type = VAL_STRING;
+ values[i].v_field.v_string = strdup(buf);
+ break;
+ default:
+ if (fscanf(fp, "%1023[^ \n]%c", buf, &sep) != 2) {
+ return gripe("Junk in field %d", i + 1);
+ }
+ if (!strcmp(buf, "nil")) {
+ values[i].v_field.v_string = NULL;
+ values[i].v_type = VAL_STRING;
+ }
+ else {
+ values[i].v_field.v_string = strdup(buf);
+ values[i].v_type = VAL_SYMBOL;
+ }
+ }
+ if (sep == '\n')
+ break;
+ if (sep != ' ')
+ return gripe(
+ "Expected space or newline as field separator found %c",
+ sep);
+ }
+ if (i >= MAX_NUM_COLUMNS)
+ return gripe("Too many columns");
+ if (i == 0)
+ return gripe("No columns read");
+ values[++i].v_type = VAL_NOTUSED;
+ return i;
+}
+
+static int
+xunsymbol(struct castr *ca, char *buf)
+{
+ struct symbol *symbol = (struct symbol *)empfile[ca->ca_table].cache;
+ int i;
+ int value = 0;
+ char *token;
+
+ if (ca->ca_flags & NSC_BITS)
+ token = strtok( buf, "|");
+ else
+ token = buf;
+
+ if (!token || token[0] == '\0')
+ return gripe("Empty symbol value for field %s", ca->ca_name);
+
+ while (token) {
+ if ((i = stmtch(token, symbol, offsetof(struct symbol, name),
+ sizeof(struct symbol))) != M_NOTFOUND) {
+ if (!(ca->ca_flags & NSC_BITS))
+ return(symbol[i].value);
+ value |= symbol[i].value;
+ break;
+ }
+ else
+ return gripe("Symbol %s was not found for field %s", token,
+ ca->ca_name);
+ token = strtok(NULL, "|");
+ }
+ return(value);
+}
+
+static int
+has_const(struct castr ca[])
+{
+ int i;
+
+ for (i = 0; ca[i].ca_name; i++) {
+ if (ca[i].ca_flags & NSC_CONST)
+ return 1;
+ }
+ return 0;
+}
+
+static void
+xuinitrow(int type, int row)
+{
+ struct empfile *ep = &empfile[type];
+ char *ptr = ep->cache + ep->size * row;
+
+ memset(ptr, 0, ep->size);
+
+ if (ep->init)
+ ep->init(row, ptr);
+}
+
+static int
+xuloadrow(int type, int row, struct value values[])
+{
+ int i,j,k;
+ struct empfile *ep = &empfile[type];
+ char *ptr = ep->cache + ep->size * row;
+ struct castr *ca = ep->cadef;
+ void *row_ref;
+
+ i = 0;
+ j = 0;
+ while (ca[i].ca_type != NSC_NOTYPE &&
+ values[j].v_type != VAL_NOTUSED) {
+ row_ref = (char *)ptr + ca[i].ca_off;
+ k = 0;
+ do {
+ /*
+ * TODO
+ * factor out NSC_CONST comparsion
+ */
+ switch (values[j].v_type) {
+ case VAL_SYMBOL:
+ if (ca[i].ca_table == EF_BAD)
+ return(gripe("Found symbol string %s, but column %s "
+ "is not symbol or symbol sets",
+ values[j].v_field.v_string, ca[i].ca_name));
+ values[j].v_field.v_double =
+ (double)xunsymbol(&ca[i], values[j].v_field.v_string);
+ free(values[i].v_field.v_string);
+ if (values[j].v_field.v_double < 0.0)
+ return -1;
+ /*
+ * fall through
+ */
+ case VAL_DOUBLE:
+ switch (ca[i].ca_type) {
+ case NSC_INT:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (((int *)row_ref)[k] != (int)
+ values[j].v_field.v_double)
+ gripe("Field %s must be same, "
+ "read %d != expected %d",
+ ca[i].ca_name,
+ ((int *)row_ref)[k],
+ (int)values[j].v_field.v_double);
+
+ } else
+ ((int *)row_ref)[k] =
+ (int)values[j].v_field.v_double;
+ break;
+ case NSC_LONG:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (((long *)row_ref)[k] != (long)
+ values[j].v_field.v_double)
+ gripe("Field %s must be same, "
+ "read %ld != expected %ld",
+ ca[i].ca_name,
+ ((long *)row_ref)[k],
+ (long)values[j].v_field.v_double);
+ } else
+ ((long *)row_ref)[k] = (long)
+ values[j].v_field.v_double;
+ break;
+ case NSC_USHORT:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (((unsigned short *)row_ref)[k] !=
+ (unsigned short)values[j].v_field.v_double)
+ gripe("Field %s must be same, "
+ "read %d != expected %d",
+ ca[i].ca_name,
+ ((unsigned short *)row_ref)[k],
+ (unsigned short)values[j].v_field.v_double);
+ } else
+ ((unsigned short *)row_ref)[k] = (unsigned short)
+ values[j].v_field.v_double;
+ break;
+ case NSC_UCHAR:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (((unsigned char *)row_ref)[k] != (unsigned char)
+ values[j].v_field.v_double)
+ gripe("Field %s must be same, "
+ "read %d != expected %d",
+ ca[i].ca_name,
+ ((unsigned char *)row_ref)[k],
+ (unsigned char)values[j].v_field.v_double);
+ } else
+ ((unsigned char *)row_ref)[k] = (unsigned char)
+ values[j].v_field.v_double;
+ break;
+ case NSC_FLOAT:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (((float *)row_ref)[k] != (float)
+ values[j].v_field.v_double)
+ gripe("Field %s must be same, "
+ "read %g != expected %g",
+ ca[i].ca_name,
+ ((float *)row_ref)[k],
+ (float)values[j].v_field.v_double);
+ } else
+ ((float *)row_ref)[k] = (float)
+ values[j].v_field.v_double;
+ break;
+ case NSC_STRING:
+ return gripe("Field %s is a string type, "
+ "but %lg was read which is a number",
+ ca[i].ca_name, values[j].v_field.v_double);
+ default:
+ return gripe("Field %s's type %d is not supported",
+ ca[i].ca_name, ca[i].ca_type);
+ }
+ break;
+ case VAL_STRING:
+ switch(ca[i].ca_type) {
+ case NSC_STRINGY:
+ return gripe("Field %s is of NSC_STRINGY type "
+ "which is not supported", ca[i].ca_name);
+ case NSC_STRING:
+ if (ca[i].ca_flags & NSC_CONST) {
+ if (strcmp(((char **)row_ref)[k],
+ values[j].v_field.v_string) != 0)
+ gripe("Field %s must be same, "
+ "read %s != expected %s",
+ ca[i].ca_name,
+ *((char **)row_ref)[k],
+ *values[j].v_field.v_string);
+ } else
+ ((char **)row_ref)[k] = values[j].v_field.v_string;
+ break;
+ case NSC_INT:
+ case NSC_LONG:
+ case NSC_USHORT:
+ case NSC_UCHAR:
+ case NSC_FLOAT:
+ return gripe("Field %s is a number type %d, "
+ "but %s was read which is a string",
+ ca[i].ca_name, ca[i].ca_type,
+ values[j].v_field.v_string);
+ default:
+ return gripe("Field %s's type %d is not supported",
+ ca[i].ca_name, ca[i].ca_type);
+ }
+ break;
+ case VAL_NOTUSED:
+ return gripe("Missing column %s in file", ca[i].ca_name);
+ default:
+ return gripe("Unknown value type %d", values[j].v_type);
+ }
+ k++;
+ j++;
+ } while (k < ca[i].ca_len);
+ i++;
+ }
+ if (ca[i].ca_type != NSC_NOTYPE)
+ return gripe("Missing column %s in file", ca[i].ca_name);
+ switch (values[j].v_type) {
+ case VAL_NOTUSED:
+ break;
+ case VAL_STRING:
+ case VAL_SYMBOL:
+ return gripe("Extra junk after the last column, read %s",
+ values[j].v_field.v_string);
+ case VAL_DOUBLE:
+ return gripe("Extra junk after the last column, read %lg",
+ values[j].v_field.v_double);
+ default:
+ return gripe("Extra junk after the last column, "
+ "unknown value type %d", values[j].v_type);
+ }
+ return 0;
+}
+
+int
+xundump(FILE *fp, char *file, int expected_table)
+{
+ char name[64];
+ char sep;
+ int row, rows, ch;
+ struct value values[MAX_NUM_COLUMNS + 1];
+ int type;
+ int fixed_rows;
+
+ if (strcmp(fname, file) != 0) {
+ fname = file;
+ lineno = 1;
+ } else
+ lineno++;
+
+ if (fscanf(fp, "XDUMP %63[^0123456789]%*d%c", name, &sep) != 2)
+ return gripe("Expected XDUMP header");
+ if (sep != '\n')
+ return gripe("Junk after XDUMP header");
+
+ if (strlen(name) < 2)
+ return gripe("Invalid table name in header %s", name);
+ if (name[strlen(name) - 1] != ' ')
+ return gripe("Missing space after table name in header %s",
+ name);
+ name[strlen(name) - 1] = '\0';
+
+ type = ef_byname(name);
+ if (type < 0)
+ return gripe("Table not found %s", name);
+
+ if (expected_table != EF_BAD && expected_table != type)
+ return gripe("Incorrect Table expecting %s got %s",
+ ef_nameof(expected_table), name);
+
+ fixed_rows = has_const(ef_cadef(type));
+
+ for (row = 0; ; row++) {
+ lineno++;
+ ch = getc(fp);
+ ungetc(ch, fp);
+ if (ch == EOF)
+ return gripe("Unexpected EOF");
+ if (ch == '/')
+ break;
+ /*
+ * TODO
+ * Add column count check to the return value of xuflds()
+ */
+ if (xuflds(fp, values) <= 0)
+ return -1;
+ else {
+ if (row >= empfile[type].csize - 1)
+ return gripe("Too many rows for table %s", name);
+ empfile[type].fids = row + 1;
+ if (!fixed_rows)
+ xuinitrow(type, row);
+ if (xuloadrow(type, row, values) < 0)
+ return -1;
+ }
+ }
+
+ if (fscanf(fp, "/%d%c", &rows, &sep) != 2)
+ return gripe("Failed to find number of rows trailer");
+ if (row != rows)
+ return gripe("Number of rows doesn't match between "
+ "the trailer and what was read");
+ if (fixed_rows && row != empfile[type].csize -1)
+ return gripe("Number of rows doesn't match, and "
+ "it must for table %s", name);
+ if (sep != '\n')
+ return gripe("Junk after number of rows trailer");
+
+ if (!fixed_rows)
+ xuinitrow(type, row);
+
+ return 0;
+}
UNMAPPED_CACHE(struct loststr, EFF_OWNER)},
/* Static game data (configuration) */
- {EF_SECTOR_CHR, "sect chr", NULL, dchr_ca, ARRAY_TABLE(dchr, EFF_CFG)},
- {EF_SHIP_CHR, "ship chr", NULL, mchr_ca, ARRAY_CACHE(mchr, EFF_CFG)},
- {EF_PLANE_CHR, "plane chr", NULL, plchr_ca, ARRAY_CACHE(plchr, EFF_CFG)},
- {EF_LAND_CHR, "land chr", NULL, lchr_ca, ARRAY_CACHE(lchr, EFF_CFG)},
- {EF_NUKE_CHR, "nuke chr", NULL, nchr_ca, ARRAY_CACHE(nchr, EFF_CFG)},
+ {EF_SECTOR_CHR, "sect chr", "sect_def", dchr_ca, ARRAY_TABLE(dchr, EFF_CFG)},
+ {EF_SHIP_CHR, "ship chr", "ship_def", mchr_ca, ARRAY_CACHE(mchr, EFF_CFG)},
+ {EF_PLANE_CHR, "plane chr", "plane_def", plchr_ca, ARRAY_CACHE(plchr, EFF_CFG)},
+ {EF_LAND_CHR, "land chr", "land_def", lchr_ca, ARRAY_CACHE(lchr, EFF_CFG)},
+ {EF_NUKE_CHR, "nuke chr", "nuke_def", nchr_ca, ARRAY_CACHE(nchr, EFF_CFG)},
{EF_NEWS_CHR, "news chr", NULL, rpt_ca, ARRAY_TABLE(rpt, EFF_CFG)},
{EF_TREATY_FLAGS, "treaty flags", NULL, symbol_ca,
PTR_CACHE(treaty_flags, EFF_CFG)},
- {EF_ITEM, "item", NULL, ichr_ca, ARRAY_TABLE(ichr, EFF_CFG)},
- {EF_INFRASTRUCTURE, "infrastructure", NULL, intrchr_ca,
+ {EF_ITEM, "item", "item_def", ichr_ca, ARRAY_TABLE(ichr, EFF_CFG)},
+ {EF_INFRASTRUCTURE, "infrastructure", "infrastructure_def", intrchr_ca,
ARRAY_TABLE(intrchr, EFF_CFG)},
- {EF_PRODUCT, "product", NULL, pchr_ca, ARRAY_TABLE(pchr, EFF_CFG)},
+ {EF_PRODUCT, "product", "product_def", pchr_ca, ARRAY_TABLE(pchr, EFF_CFG)},
{EF_TABLE, "table", NULL, empfile_ca, ARRAY_TABLE(empfile, EFF_CFG)},
{EF_SHIP_CHR_FLAGS, "ship chr flags", NULL, symbol_ca,
PTR_CACHE(ship_chr_flags, EFF_CFG)},