- else if(argv(0) == "rpn")
- {
- if(!rpn_db)
- {
- rpn_db = db_create();
- db_put(rpn_db, "stack.pointer", "0");
- db_put(rpn_db, "stack.pos", "-1");
- }
- if(argc >= 2)
- {
- float rpnpos;
- string rpncmd;
- float f2, f3;
- rpn_sp = 0;
- rpn_error = FALSE;
- for(rpnpos = 1; rpnpos < argc; ++rpnpos)
- {
- rpncmd = argv(rpnpos);
- f = strlen(rpncmd);
- if(rpncmd == "") {
- } else if(stof(substring(rpncmd, 0, 1)) > 0) {
- rpn_push(rpncmd);
- } else if(substring(rpncmd, 0, 1) == "0") {
- rpn_push(rpncmd);
- } else if(f >= 2 && substring(rpncmd, 0, 1) == "+") {
- rpn_push(rpncmd);
- } else if(f >= 2 && substring(rpncmd, 0, 1) == "-") {
- rpn_push(rpncmd);
- } else if(f >= 2 && substring(rpncmd, 0, 1) == "/") {
- rpn_push(substring(rpncmd, 1, strlen(rpncmd) - 1));
- } else if(rpncmd == "clear") {
- rpn_sp = 0;
- } else if(rpncmd == "def" || rpncmd == "=") {
- s = rpn_pop();
- s2 = rpn_pop();
-
- if(s2 != "")
- {
-#ifdef MENUQC
- registercvar(s2, "", 0);
-#else
- registercvar(s2, "");
-#endif
- if(!rpn_error) // don't change cvars if a stack error had happened!
- cvar_set(s2, s);
- }
- else
- {
- print("rpn: empty cvar name for 'def'\n");
- rpn_error = TRUE;
- }
- } else if(rpncmd == "defs" || rpncmd == "@") {
- s = "";
- i = rpn_popf();
- j = (i == 0);
- while(rpn_sp > 1 && (j || i > 0))
- {
- s = strcat("/", rpn_pop(), " ", s);
- --i;
- }
- s2 = rpn_pop();
- if(s2 != "")
- {
-#ifdef MENUQC
- registercvar(s2, "", 0);
-#else
- registercvar(s2, "");
-#endif
- if(!rpn_error) // don't change cvars if a stack error had happened!
- cvar_set(s2, s);
- }
- else
- {
- print("rpn: empty cvar name for 'defs'\n");
- rpn_error = TRUE;
- }
- } else if(rpncmd == "load") {
- rpn_set(cvar_string(rpn_get()));
- } else if(rpncmd == "exch") {
- s = rpn_pop();
- s2 = rpn_get();
- rpn_set(s);
- rpn_push(s2);
- } else if(rpncmd == "dup") {
- rpn_push(rpn_get());
- } else if(rpncmd == "pop") {
- rpn_pop();
- } else if(rpncmd == "add" || rpncmd == "+") {
- f = rpn_popf();
- rpn_setf(rpn_getf() + f);
- } else if(rpncmd == "sub" || rpncmd == "-") {
- f = rpn_popf();
- rpn_setf(rpn_getf() - f);
- } else if(rpncmd == "mul" || rpncmd == "*") {
- f = rpn_popf();
- rpn_setf(rpn_getf() * f);
- } else if(rpncmd == "div" || rpncmd == "/") {
- f = rpn_popf();
- rpn_setf(rpn_getf() / f);
- } else if(rpncmd == "mod" || rpncmd == "%") {
- f = rpn_popf();
- f2 = rpn_getf();
- rpn_setf(f2 - f * floor(f2 / f));
- } else if(rpncmd == "abs") {
- rpn_setf(fabs(rpn_getf()));
- } else if(rpncmd == "sgn") {
- f = rpn_getf();
- if(f < 0)
- rpn_set("-1");
- else if(f > 0)
- rpn_set("1");
- else
- rpn_set("0");
- } else if(rpncmd == "neg" || rpncmd == "~") {
- rpn_setf(-rpn_getf());
- } else if(rpncmd == "floor" || rpncmd == "f") {
- rpn_setf(floor(rpn_getf()));
- } else if(rpncmd == "ceil" || rpncmd == "c") {
- rpn_setf(ceil(rpn_getf()));
- } else if(rpncmd == "max") {
- f = rpn_popf();
- f2 = rpn_getf();
- rpn_setf(max(f2, f));
- } else if(rpncmd == "min") {
- f = rpn_popf();
- f2 = rpn_getf();
- rpn_setf(min(f2, f));
- } else if(rpncmd == "bound") {
- f = rpn_popf();
- f2 = rpn_popf();
- f3 = rpn_getf();
- rpn_setf(bound(f3, f2, f));
- } else if(rpncmd == "when") {
- f = rpn_popf();
- f2 = rpn_popf();
- f3 = rpn_getf();
- if(f)
- rpn_setf(f3);
- else
- rpn_setf(f2);
- } else if(rpncmd == ">" || rpncmd == "gt") {
- f = rpn_popf();
- rpn_setf(rpn_getf() > f);
- } else if(rpncmd == "<" || rpncmd == "lt") {
- f = rpn_popf();
- rpn_setf(rpn_getf() < f);
- } else if(rpncmd == "==" || rpncmd == "eq") {
- f = rpn_popf();
- rpn_setf(rpn_getf() == f);
- } else if(rpncmd == ">=" || rpncmd == "ge") {
- f = rpn_popf();
- rpn_setf(rpn_getf() >= f);
- } else if(rpncmd == "<=" || rpncmd == "le") {
- f = rpn_popf();
- rpn_setf(rpn_getf() <= f);
- } else if(rpncmd == "!=" || rpncmd == "ne") {
- f = rpn_popf();
- rpn_setf(rpn_getf() != f);
- } else if(rpncmd == "rand") {
- rpn_setf(ceil(random() * rpn_getf()) - 1);
- } else if(rpncmd == "crc16") {
- rpn_setf(crc16(FALSE, rpn_get()));
- } else if(rpncmd == "put") {
- s2 = rpn_pop();
- if (!rpn_error)
- {
- s = rpn_pop();
- if (!rpn_error)
- db_put(rpn_db, s, s2);
- }
- } else if(rpncmd == "get") {
- s = rpn_pop();
- if (!rpn_error)
- rpn_push(db_get(rpn_db, s));
- } else if(rpncmd == "dbpush") {
- s = rpn_pop();
- if(!rpn_error)
- {
- i = stof(db_get(rpn_db, "stack.pointer"));
- db_put(rpn_db, "stack.pointer", ftos(i+1));
- db_put(rpn_db, strcat("stack.", ftos(i)), s);
- }
- if(!i)
- db_put(rpn_db, "stack.pos", "0");
- } else if(rpncmd == "dbpop") {
- i = stof(db_get(rpn_db, "stack.pointer"));
- if(i)
- {
- s = ftos(i-1);
- db_put(rpn_db, "stack.pointer", s);
- rpn_push(db_get(rpn_db, strcat("stack.", s)));
- j = stof(db_get(rpn_db, "stack.pos"));
- if(j >= i)
- db_put(rpn_db, "stack.pos", ftos(i-2));
- } else {
- rpn_error = 1;
- print("rpn: database underflow\n");
- }
- } else if(rpncmd == "dbget") {
-
- i = stof(db_get(rpn_db, "stack.pointer"));
- if(i)
- {
- rpn_push(db_get(rpn_db, strcat("stack.", ftos(i-1))));
- } else {
- rpn_error = 1;
- print("rpn: database empty\n");
- }
- } else if(rpncmd == "dblen") {
- rpn_push(db_get(rpn_db, "stack.pointer"));
- } else if(rpncmd == "dbclr") {
- db_close(rpn_db);
- rpn_db = db_create();
- db_put(rpn_db, "stack.pointer", "0");
- db_put(rpn_db, "stack.pos", "-1");
- } else if(rpncmd == "dbsave") {
- s = rpn_pop();
- if(!rpn_error)
- db_save(rpn_db, s);
- } else if(rpncmd == "dbload") {
- s = rpn_pop();
- if(!rpn_error)
- {
- db_close(rpn_db);
- rpn_db = db_load(s);
- }
- } else if(rpncmd == "dbins") {
- s = rpn_pop();
- if(!rpn_error)
- //if(rpn_sp > 0)
- {
- j = stof(db_get(rpn_db, "stack.pointer"));
- i = stof(db_get(rpn_db, "stack.pos"));
-
- if(i < 0)
- {
- i = 0;
- db_put(rpn_db, "stack.pos", "0");
- }
-
- db_put(rpn_db, "stack.pointer", ftos(j+1));
- for(--j; j >= i; --j)
- {
- db_put(rpn_db, strcat("stack.", ftos(j+1)),
- db_get(rpn_db, (strcat("stack.", ftos(j))))
- );
- }
- db_put(rpn_db, strcat("stack.", ftos(i)), s);
- }
- } else if(rpncmd == "dbext") {
- j = stof(db_get(rpn_db, "stack.pointer"));
- i = stof(db_get(rpn_db, "stack.pos"));
- if(!j)
- {
- rpn_error = TRUE;
- print("rpn: empty database\n");
- } else {
- --j;
- rpn_push(db_get(rpn_db, strcat("stack.", ftos(i))));
- db_put(rpn_db, "stack.pointer", ftos(j));
- if(i == j)
- {
- db_put(rpn_db, "stack.pos", ftos(j-1));
- } else {
- while(i < j)
- {
- db_put(rpn_db, strcat("stack.", ftos(i)),
- db_get(rpn_db, (strcat("stack.", ftos(i+1))))
- );
- ++i;
- }
- }
- }
- } else if(rpncmd == "dbread") {
- s = db_get(rpn_db, "stack.pos");
- if(stof(s) >= 0)
- {
- rpn_push(db_get(rpn_db, strcat("stack.", s)));
- } else {
- rpn_error = 1;
- print("rpn: empty database\n");
- }
- } else if(rpncmd == "dbat") {
- rpn_push(db_get(rpn_db, "stack.pos"));
- } else if(rpncmd == "dbmov") {
- j = stof(db_get(rpn_db, "stack.pointer"));
- i = stof(db_get(rpn_db, "stack.pos"));
- i += rpn_popf();
- if(!rpn_error)
- {
- if(i < 0 || i >= j)
- {
- print("rpn: database cursor out of bounds\n");
- rpn_error = TRUE;
- }
- if(!rpn_error)
- {
- db_put(rpn_db, "stack.pos", ftos(i));
- }
- }
- } else if(rpncmd == "dbgoto") {
- s = rpn_pop();
- j = stof(db_get(rpn_db, "stack.pointer"));
- if(!j)
- {
- rpn_error = TRUE;
- print("rpn: empty database, cannot move cursor\n");
- }
- if(!rpn_error)
- {
- if(s == "end")
- i = stof(db_get(rpn_db, "stack.pointer"))-1;
- else if(s == "beg")
- i = 0;
- else
- i = stof(s);
-
- j = stof(db_get(rpn_db, "stack.pointer"));
- if(i < 0 || i >= j)
- {
- print("rpn: database cursor destination out of bounds\n");
- rpn_error = TRUE;
- }
- if(!rpn_error)
- {
- db_put(rpn_db, "stack.pos", ftos(i));
- }
- }
- } else if(rpncmd == "union") {
- // s s2 union
- s2 = rpn_pop();
- s = rpn_get();
- f = tokenize_console(s);
- f2 = tokenize_console(strcat(s, " ", s2));
- // tokens 0..(f-1) represent s
- // tokens f..f2 represent s2
- // UNION: add all tokens to s that are in s2 but not in s
- s = "";
- for(i = 0; i < f; ++i)
- s = strcat(s, " ", argv(i));
- for(i = f; i < f2; ++i) {
- for(j = 0; j < f; ++j)
- if(argv(i) == argv(j))
- goto skip_union;
- s = strcat(s, " ", argv(i));
-:skip_union
- }
- if(substring(s, 0, 1) == " ")
- s = substring(s, 1, 99999);
- rpn_set(s);
- tokenize_console(command);
- } else if(rpncmd == "intersection") {
- // s s2 intersection
- s2 = rpn_pop();
- s = rpn_get();
- f = tokenize_console(s);
- f2 = tokenize_console(strcat(s, " ", s2));
- // tokens 0..(f-1) represent s
- // tokens f..f2 represent s2
- // INTERSECTION: keep only the tokens from s that are also in s2
- s = "";
- for(i = 0; i < f; ++i) {
- for(j = f; j < f2; ++j)
- if(argv(i) == argv(j))
- {
- s = strcat(s, " ", argv(i));
- break;
- }
- }
- if(substring(s, 0, 1) == " ")
- s = substring(s, 1, 99999);
- rpn_set(s);
- tokenize_console(command);
- } else if(rpncmd == "difference") {
- // s s2 difference
- s2 = rpn_pop();
- s = rpn_get();
- f = tokenize_console(s);
- f2 = tokenize_console(strcat(s, " ", s2));
- // tokens 0..(f-1) represent s
- // tokens f..f2 represent s2
- // DIFFERENCE: keep only the tokens from s that are not in s2
- s = "";
- for(i = 0; i < f; ++i) {
- for(j = f; j < f2; ++j)
- if(argv(i) == argv(j))
- goto skip_difference;
- s = strcat(s, " ", argv(i));
-:skip_difference
- }
- if(substring(s, 0, 1) == " ")
- s = substring(s, 1, 99999);
- rpn_set(s);
- tokenize_console(command);
- } else if(rpncmd == "shuffle") {
- // s shuffle
- s = rpn_get();
- f = tokenize_console(s);
-
- for(i = 0; i < f - 1; ++i) {
- // move a random item from i..f-1 to position i
- s = "";
- f2 = floor(random() * (f - i) + i);
- for(j = 0; j < i; ++j)
- s = strcat(s, " ", argv(j));
- s = strcat(s, " ", argv(f2));
- for(j = i; j < f; ++j)
- if(j != f2)
- s = strcat(s, " ", argv(j));
- f = tokenize_console(s);
- }
-
- if(substring(s, 0, 1) == " ")
- s = substring(s, 1, 99999);
- rpn_set(s);
- tokenize_console(command);
- } else if(rpncmd == "fexists_assert") {
- s = rpn_pop();
- if(!rpn_error)
- {
- if (!fexists(s))
- {
- print("rpn: ERROR: ", s, " does not exist!\n");
- rpn_error = TRUE;
- }
- }
- } else if(rpncmd == "fexists") {
- s = rpn_get();
- if(!rpn_error)
- {
- if (fexists(s))
- rpn_setf(1);
- else
- rpn_setf(0);
- }
- } else if(rpncmd == "localtime") {
- rpn_set(strftime(TRUE, rpn_get()));
- } else if(rpncmd == "gmtime") {
- rpn_set(strftime(FALSE, rpn_get()));
- } else if(rpncmd == "time") {
- rpn_pushf(time);
- } else if(rpncmd == "digest") {
- s = rpn_pop();
- rpn_set(digest_hex(s, rpn_get()));
- } else if(rpncmd == "sprintf1s") {
- s = rpn_pop();
- rpn_set(sprintf(s, rpn_get()));
- } else {
- rpn_push(cvar_string(rpncmd));
- }
- if(rpn_error)
- break;
- }
- while(rpn_sp > 0)
- {
- s = rpn_pop();
- print("rpn: still on stack: ", s, "\n");
- }
- return TRUE;
- }
- } else if(argv(0) == "addtolist") {
- if(argc >= 2)
- {
- s = argv(1);
- s2 = argv(2);
- if(cvar_string(s) == "")
- cvar_set(s, s2);
- else {
- n = tokenizebyseparator(cvar_string(s), " ");
- for(i = 0; i < n; ++i)
- if(argv(i) == s2)
- return TRUE; // already in list
- cvar_set(s, strcat(s2, " ", cvar_string(s)));
- }
- }
- return TRUE;
- }
- else if(argv(0) == "records") {
- print(records_reply);
- return TRUE;
- }
- else if(argv(0) == "ladder") {
- print(ladder_reply);
- return TRUE;
- }
- else if(argv(0) == "rankings") {
- print(rankings_reply);
- return TRUE;
-#ifdef MENUQC
- } else if(argv(0) == "cp") {
- if(argc >= 2)
- {
- s = argv(1);
- for(i = 2; i < argc; ++i)
- s = strcat(s, " ", argv(i));
- centerprint(unescape(s));
- }
- return TRUE;
-#endif
- }