home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
- /* hack.options.c version 1.0.1 - added HACKOPTIONS */
-
- #include "config.h"
- #ifdef OPTIONS
- #include "hack.h"
- extern char *eos();
-
- initoptions()
- {
- register char *opts;
- extern char *getenv();
-
- flags.time = flags.nonews = flags.notombstone = flags.end_own =
- flags.no_rest_on_space = FALSE;
- flags.end_top = 5;
- flags.end_around = 4;
- /* flags.oneline is set in hack.tty.c depending on the baudrate */
-
- if(opts = getenv("HACKOPTIONS"))
- parseoptions(opts,TRUE);
- }
-
- parseoptions(opts, from_env)
- register char *opts;
- boolean from_env;
- {
- register char *op,*op2;
- unsigned num;
- boolean negated;
-
- if(op = index(opts, ',')) {
- *op++ = 0;
- parseoptions(op, from_env);
- }
- if(op = index(opts, ' ')) {
- op2 = op;
- while(*op++)
- if(*op != ' ') *op2++ = *op;
- }
- if(!*opts) return;
- negated = FALSE;
- while((*opts == '!') || !strncmp(opts, "no", 2)) {
- if(*opts == '!') opts++; else opts += 2;
- negated = !negated;
- }
- if(!strncmp(opts,"tombstone",4)) {
- flags.notombstone = negated;
- return;
- }
- if(!strncmp(opts,"news",4)) {
- flags.nonews = negated;
- return;
- }
- if(!strncmp(opts,"time",4)) {
- flags.time = !negated;
- flags.botl = 1;
- return;
- }
- if(!strncmp(opts,"oneline",1)) {
- flags.oneline = !negated;
- return;
- }
- if(!strncmp(opts,"restonspace",4)) {
- flags.no_rest_on_space = negated;
- return;
- }
- /* endgame:5t[op] 5a[round] o[wn] */
- if(!strncmp(opts,"endgame",3)) {
- op = index(opts,':');
- if(!op) goto bad;
- op++;
- while(*op) {
- num = 1;
- if(digit(*op)) {
- num = atoi(op);
- while(digit(*op)) op++;
- } else
- if(*op == '!') {
- negated = !negated;
- op++;
- }
- switch(*op) {
- case 't':
- flags.end_top = num;
- break;
- case 'a':
- flags.end_around = num;
- break;
- case 'o':
- flags.end_own = !negated;
- break;
- default:
- goto bad;
- }
- while(letter(*++op)) ;
- if(*op == '/') op++;
- }
- return;
- }
- bad:
- if(!from_env) {
- if(!strncmp(opts, "help", 4)) {
- pline("%s%s%s",
- "To set options use `HACKOPTIONS=\"<options>\"' in your environment, or ",
- "give the command 'o' followed by the line `<options>' while playing. ",
- "Here <options> is a list of <option>s separated by commas." );
- pline("%s%s",
- "Simple (boolean) options are oneline,rest_on_space,news,time,tombstone. ",
- "These can be negated by prefixing them with '!' or \"no\"." );
- pline("%s%s%s",
- "A compound option is endgame; it is followed by a description of what ",
- "parts of the scorelist you want to see. You might for example say: ",
- "`endgame:own scores/5 top scores/4 around my score'." );
- return;
- }
- pline("Bad option: %s.", opts);
- pline("Type `o help<cr>' for help.");
- return;
- }
- puts("Bad syntax in HACKOPTIONS.");
- puts("Use for example:");
- puts(
- "HACKOPTIONS=\"!restonspace,notombstone,endgame:own/5 topscorers/4 around me\""
- );
- getret();
- }
-
- doset()
- {
- char buf[BUFSZ];
-
- pline("What options do you want to set? ");
- getlin(buf);
- if(!buf[0]) {
- (void) strcpy(buf,"HACKOPTIONS=");
- if(flags.oneline) (void) strcat(buf,"oneline,");
- if(flags.nonews) (void) strcat(buf,"nonews,");
- if(flags.time) (void) strcat(buf,"time,");
- if(flags.notombstone) (void) strcat(buf,"notombstone,");
- if(flags.no_rest_on_space)
- (void) strcat(buf,"!rest_on_space,");
- if(flags.end_top != 5 || flags.end_around != 4 || flags.end_own){
- (void) sprintf(eos(buf), "endgame: %d topscores/%d around me",
- flags.end_top, flags.end_around);
- if(flags.end_own) (void) strcat(buf, "/own scores");
- } else {
- register char *eop = eos(buf);
- if(*--eop == ',') *eop = 0;
- }
- pline(buf);
- } else
- parseoptions(buf, FALSE);
-
- return(0);
- }
- #endif OPTIONS
-