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1.1 root 1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2: /* hack.options.c - version 1.0.3 */
3:
4: #include "config.h"
5: #include "hack.h"
6: extern char *eos();
7:
8: initoptions()
9: {
10: register char *opts;
11: extern char *getenv();
12:
13: flags.time = flags.nonews = flags.notombstone = flags.end_own =
14: flags.standout = flags.nonull = FALSE;
15: flags.no_rest_on_space = TRUE;
16: flags.invlet_constant = TRUE;
17: flags.end_top = 5;
18: flags.end_around = 4;
19: flags.female = FALSE; /* players are usually male */
20:
21: if(opts = getenv("HACKOPTIONS"))
22: parseoptions(opts,TRUE);
23: }
24:
25: parseoptions(opts, from_env)
26: register char *opts;
27: boolean from_env;
28: {
29: register char *op,*op2;
30: unsigned num;
31: boolean negated;
32:
33: if(op = index(opts, ',')) {
34: *op++ = 0;
35: parseoptions(op, from_env);
36: }
37: if(op = index(opts, ' ')) {
38: op2 = op;
39: while(*op++)
40: if(*op != ' ') *op2++ = *op;
41: }
42: if(!*opts) return;
43: negated = FALSE;
44: while((*opts == '!') || !strncmp(opts, "no", 2)) {
45: if(*opts == '!') opts++; else opts += 2;
46: negated = !negated;
47: }
48:
49: if(!strncmp(opts,"standout",8)) {
50: flags.standout = !negated;
51: return;
52: }
53:
54: if(!strncmp(opts,"null",3)) {
55: flags.nonull = negated;
56: return;
57: }
58:
59: if(!strncmp(opts,"tombstone",4)) {
60: flags.notombstone = negated;
61: return;
62: }
63:
64: if(!strncmp(opts,"news",4)) {
65: flags.nonews = negated;
66: return;
67: }
68:
69: if(!strncmp(opts,"time",4)) {
70: flags.time = !negated;
71: flags.botl = 1;
72: return;
73: }
74:
75: if(!strncmp(opts,"restonspace",4)) {
76: flags.no_rest_on_space = negated;
77: return;
78: }
79:
80: if(!strncmp(opts,"fixinv",4)) {
81: if(from_env)
82: flags.invlet_constant = !negated;
83: else
84: pline("The fixinvlet option must be in HACKOPTIONS.");
85: return;
86: }
87:
88: if(!strncmp(opts,"male",4)) {
89: flags.female = negated;
90: return;
91: }
92: if(!strncmp(opts,"female",6)) {
93: flags.female = !negated;
94: return;
95: }
96:
97: /* name:string */
98: if(!strncmp(opts,"name",4)) {
99: extern char plname[PL_NSIZ];
100: if(!from_env) {
101: pline("The playername can be set only from HACKOPTIONS.");
102: return;
103: }
104: op = index(opts,':');
105: if(!op) goto bad;
106: (void) strncpy(plname, op+1, sizeof(plname)-1);
107: return;
108: }
109:
110: /* endgame:5t[op] 5a[round] o[wn] */
111: if(!strncmp(opts,"endgame",3)) {
112: op = index(opts,':');
113: if(!op) goto bad;
114: op++;
115: while(*op) {
116: num = 1;
117: if(digit(*op)) {
118: num = atoi(op);
119: while(digit(*op)) op++;
120: } else
121: if(*op == '!') {
122: negated = !negated;
123: op++;
124: }
125: switch(*op) {
126: case 't':
127: flags.end_top = num;
128: break;
129: case 'a':
130: flags.end_around = num;
131: break;
132: case 'o':
133: flags.end_own = !negated;
134: break;
135: default:
136: goto bad;
137: }
138: while(letter(*++op)) ;
139: if(*op == '/') op++;
140: }
141: return;
142: }
143: bad:
144: if(!from_env) {
145: if(!strncmp(opts, "help", 4)) {
146: pline("%s%s%s",
147: "To set options use `HACKOPTIONS=\"<options>\"' in your environment, or ",
148: "give the command 'o' followed by the line `<options>' while playing. ",
149: "Here <options> is a list of <option>s separated by commas." );
150: pline("%s%s%s",
151: "Simple (boolean) options are rest_on_space, news, time, ",
152: "null, tombstone, (fe)male. ",
153: "These can be negated by prefixing them with '!' or \"no\"." );
154: pline("%s",
155: "A string option is name, as in HACKOPTIONS=\"name:Merlin-W\"." );
156: pline("%s%s%s",
157: "A compound option is endgame; it is followed by a description of what ",
158: "parts of the scorelist you want to see. You might for example say: ",
159: "`endgame:own scores/5 top scores/4 around my score'." );
160: return;
161: }
162: pline("Bad option: %s.", opts);
163: pline("Type `o help<cr>' for help.");
164: return;
165: }
166: puts("Bad syntax in HACKOPTIONS.");
167: puts("Use for example:");
168: puts(
169: "HACKOPTIONS=\"!restonspace,notombstone,endgame:own/5 topscorers/4 around me\""
170: );
171: getret();
172: }
173:
174: doset()
175: {
176: char buf[BUFSZ];
177:
178: pline("What options do you want to set? ");
179: getlin(buf);
180: if(!buf[0] || buf[0] == '\033') {
181: (void) strcpy(buf,"HACKOPTIONS=");
182: (void) strcat(buf, flags.female ? "female," : "male,");
183: if(flags.standout) (void) strcat(buf,"standout,");
184: if(flags.nonull) (void) strcat(buf,"nonull,");
185: if(flags.nonews) (void) strcat(buf,"nonews,");
186: if(flags.time) (void) strcat(buf,"time,");
187: if(flags.notombstone) (void) strcat(buf,"notombstone,");
188: if(flags.no_rest_on_space)
189: (void) strcat(buf,"!rest_on_space,");
190: if(flags.end_top != 5 || flags.end_around != 4 || flags.end_own){
191: (void) sprintf(eos(buf), "endgame: %u topscores/%u around me",
192: flags.end_top, flags.end_around);
193: if(flags.end_own) (void) strcat(buf, "/own scores");
194: } else {
195: register char *eop = eos(buf);
196: if(*--eop == ',') *eop = 0;
197: }
198: pline(buf);
199: } else
200: parseoptions(buf, FALSE);
201:
202: return(0);
203: }
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