#include <stdio.h>
#include <string.h>
#include <sys/time.h>
+#include <ctype.h>
+
#include "advent.h"
-#include "funcs.h"
#include "database.h"
+#include "linenoise/linenoise.h"
+#include "newdb.h"
-/* hack to ignore GCC Unused Result */
-#define IGNORE(r) do{if (r){}}while(0)
-
-/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
+void* xmalloc(size_t size)
+{
+ void* ptr = malloc(size);
+ if (ptr == NULL)
+ {
+ fprintf(stderr, "Out of memory!\n");
+ exit(EXIT_FAILURE);
+ }
+ return(ptr);
+}
-void SPEAK(vocab_t N)
-/* Print the message which starts at LINES(N). Precede it with a blank line
- * unless game.blklin is false. */
+char* xstrdup(const char* s)
{
- long blank, casemake, I, K, L, NEG, NPARMS, PARM, PRMTYP, state;
+ char* ptr = strdup(s);
+ if (ptr == NULL)
+ {
+ fprintf(stderr, "Out of memory!\n");
+ exit(EXIT_FAILURE);
+ }
+ return(ptr);
+}
- if (N == 0)
- return;
- blank=game.blklin;
- K=N;
- NPARMS=1;
-L10:
- L=labs(LINES[K])-1;
- K=K+1;
- LNLENG=0;
- LNPOSN=1;
- state=0;
- for (I=K; I<=L; I++) {
- PUTTXT(LINES[I],state,2);
+void packed_to_token(long packed, char token[6])
+{
+ // Unpack and map back to ASCII.
+ for (int i = 0; i < 5; ++i)
+ {
+ char advent = (packed >> i * 6) & 63;
+ token[4 - i] = advent_to_ascii[advent];
}
- LNPOSN=0;
-L30:
- LNPOSN=LNPOSN+1;
-L32:
- if (LNPOSN > LNLENG)
- goto L40;
- if (INLINE[LNPOSN] != 63)
- goto L30;
- {long x = LNPOSN+1; PRMTYP=INLINE[x];}
- /* 63 is a "%"; the next character determine the type of
- * parameter: 1 (!) = suppress message completely, 29 (S) = NULL
- * If PARM=1, else 'S' (optional plural ending), 33 (W) = word
- * (two 30-bit values) with trailing spaces suppressed, 22 (L) or
- * 31 (U) = word but map to lower/upper case, 13 (C) = word in
- * lower case with first letter capitalised, 30 (T) = text ending
- * with a word of -1, 65-73 (1-9) = number using that many
- * characters, 12 (B) = variable number of blanks. */
- if (PRMTYP == 1)
- return;
- if (PRMTYP == 29)
- goto L320;
- if (PRMTYP == 30)
- goto L340;
- if (PRMTYP == 12)
- goto L360;
- if (PRMTYP == 33 || PRMTYP == 22 || PRMTYP == 31 || PRMTYP == 13)
- goto L380;
- PRMTYP=PRMTYP-64;
- if (PRMTYP < 1 || PRMTYP > 9) goto L30;
- SHFTXT(LNPOSN+2,PRMTYP-2);
- LNPOSN=LNPOSN+PRMTYP;
- PARM=labs(PARMS[NPARMS]);
- NEG=0;
- if (PARMS[NPARMS] < 0)
- NEG=9;
- /* 390 */ for (I=1; I<=PRMTYP; I++) {
- LNPOSN=LNPOSN-1;
- INLINE[LNPOSN]=MOD(PARM,10)+64;
- if (I == 1 || PARM != 0)
- goto L390;
- INLINE[LNPOSN]=NEG;
- NEG=0;
-L390:
- PARM=PARM/10;
+
+ // Ensure the last character is \0.
+ token[5] = '\0';
+
+ // Replace trailing whitespace with \0.
+ for (int i = 4; i >= 0; --i)
+ {
+ if (token[i] == ' ' || token[i] == '\t')
+ token[i] = '\0';
+ else
+ break;
}
- LNPOSN=LNPOSN+PRMTYP;
-L395:
- NPARMS=NPARMS+1;
- goto L32;
-
-L320:
- SHFTXT(LNPOSN+2,-1);
- INLINE[LNPOSN]=55;
- if (PARMS[NPARMS] == 1)
- SHFTXT(LNPOSN+1,-1);
- goto L395;
-
-L340:
- SHFTXT(LNPOSN+2,-2);
- state=0;
- casemake=2;
-L345:
- if (PARMS[NPARMS] < 0) goto L395;
- {long x = NPARMS+1; if (PARMS[x] < 0)
- casemake=0;}
- PUTTXT(PARMS[NPARMS],state,casemake);
- NPARMS=NPARMS+1;
- goto L345;
-
-L360:
- PRMTYP=PARMS[NPARMS];
- SHFTXT(LNPOSN+2,PRMTYP-2);
- if (PRMTYP == 0) goto L395;
- for (I=1; I<=PRMTYP; I++) {
- INLINE[LNPOSN]=0;
- LNPOSN=LNPOSN+1;
+}
+
+/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
+
+void newspeak(char* msg)
+{
+ // Do nothing if we got a null pointer.
+ if (msg == NULL)
+ return;
+
+ // Do nothing if we got an empty string.
+ if (strlen(msg) == 0)
+ return;
+
+ // Print a newline if the global game.blklin says to.
+ if (game.blklin == true)
+ printf("\n");
+
+ // Create a copy of our string, so we can edit it.
+ char* copy = xstrdup(msg);
+
+ // Staging area for stringified parameters.
+ char parameters[5][100]; // FIXME: to be replaced with dynamic allocation
+
+ // Handle format specifiers (including the custom %C, %L, %S) by adjusting the parameter accordingly, and replacing the specifier with %s.
+ int pi = 0; // parameter index
+ for (int i = 0; i < strlen(msg); ++i)
+ {
+ if (msg[i] == '%')
+ {
+ ++pi;
+
+ // Integer specifier. In order to accommodate the fact that PARMS can have both legitimate integers *and* packed tokens, stringify everything. Future work may eliminate the need for this.
+ if (msg[i + 1] == 'd')
+ {
+ copy[i + 1] = 's';
+ sprintf(parameters[pi], "%ld", PARMS[pi]);
+ }
+
+ // Unmodified string specifier.
+ if (msg[i + 1] == 's')
+ {
+ packed_to_token(PARMS[pi], parameters[pi]);
+ }
+
+ // Singular/plural specifier.
+ if (msg[i + 1] == 'S')
+ {
+ copy[i + 1] = 's';
+ if (PARMS[pi - 1] > 1) // look at the *previous* parameter (which by necessity must be numeric)
+ {
+ sprintf(parameters[pi], "%s", "s");
+ }
+ else
+ {
+ sprintf(parameters[pi], "%s", "");
+ }
+ }
+
+ // All-lowercase specifier.
+ if (msg[i + 1] == 'L')
+ {
+ copy[i + 1] = 's';
+ packed_to_token(PARMS[pi], parameters[pi]);
+ for (int i = 0; i < strlen(parameters[pi]); ++i)
+ {
+ parameters[pi][i] = tolower(parameters[pi][i]);
+ }
+ }
+
+ // First char uppercase, rest lowercase.
+ if (msg[i + 1] == 'C')
+ {
+ copy[i + 1] = 's';
+ packed_to_token(PARMS[pi], parameters[pi]);
+ for (int i = 0; i < strlen(parameters[pi]); ++i)
+ {
+ parameters[pi][i] = tolower(parameters[pi][i]);
+ }
+ parameters[pi][0] = toupper(parameters[pi][0]);
+ }
+ }
}
- goto L395;
-
-L380:
- SHFTXT(LNPOSN+2,-2);
- state=0;
- casemake= -1;
- if (PRMTYP == 31)
- casemake=1;
- if (PRMTYP == 33)
- casemake=0;
- I=LNPOSN;
- PUTTXT(PARMS[NPARMS],state,casemake);
- {long x = NPARMS+1; PUTTXT(PARMS[x],state,casemake);}
- if (PRMTYP == 13 && INLINE[I] >= 37 && INLINE[I] <=
- 62)INLINE[I]=INLINE[I]-26;
- NPARMS=NPARMS+2;
- goto L32;
-
-L40:
- if (blank)
- TYPE0();
- blank=false;
- TYPE();
- K=L+1;
- if (LINES[K] >= 0)
- goto L10;
+
+ // Render the final string.
+ char rendered[2000]; // FIXME: to be replaced with dynamic allocation
+ sprintf(rendered, copy, parameters[1], parameters[2], parameters[3], parameters[4]); // FIXME: to be replaced with vsprintf()
+
+ // Print the message.
+ printf("%s\n", rendered);
+
+ free(copy);
}
void PSPEAK(vocab_t msg,int skip)
* the index of the inventory message for object. (INVEN+N+1 message
* is game.prop=N message). */
{
- long i, m;
-
- m=PTEXT[msg];
- if (skip >= 0) {
- for (i=0; i <=skip; i++) {
- do {
- m=labs(LINES[m]);
- } while
- (LINES[m] >= 0);
- }
- }
- SPEAK(m);
+ if (skip >= 0)
+ newspeak(object_descriptions[msg].longs[skip]);
+ else
+ newspeak(object_descriptions[msg].inventory);
}
void RSPEAK(vocab_t i)
/* Print the i-th "random" message (section 6 of database). */
{
- if (i != 0)
- SPEAK(RTEXT[i]);
+ newspeak(arbitrary_messages[i]);
}
void SETPRM(long first, long p1, long p2)
}
}
-bool fGETIN(FILE *input,
+bool GETIN(FILE *input,
long *pword1, long *pword1x,
long *pword2, long *pword2x)
/* Get a command from the adventurer. Snarf out the first word, pad it with
for (;;) {
if (game.blklin)
TYPE0();
- MAPLIN(input);
- if (feof(input))
+ if (!MAPLIN(input))
return false;
*pword1=GETTXT(true,true,true);
if (game.blklin && *pword1 < 0)
for (;;) {
RSPEAK(x);
- GETIN(input, reply,junk1,junk2,junk3);
+ GETIN(input, &reply, &junk1, &junk2, &junk3);
if (reply == MAKEWD(250519) || reply == MAKEWD(25)) {
RSPEAK(y);
return true;
return(text);
if ((!skip) || INLINE[LNPOSN] != 0)
break;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
}
text=0;
if (LNPOSN > LNLENG || (onewrd && INLINE[LNPOSN] == 0))
continue;
char current=INLINE[LNPOSN];
- if (current < 63) {
+ if (current < ascii_to_advent['%']) {
splitting = -1;
- if (upper && current >= 37)
+ if (upper && current >= ascii_to_advent['a'])
current=current-26;
text=text+current;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
continue;
}
if (splitting != LNPOSN) {
- text=text+63;
+ text=text+ascii_to_advent['%'];
splitting = LNPOSN;
continue;
}
- text=text+current-63;
+ text=text+current-ascii_to_advent['%'];
splitting = -1;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
}
return text;
return word;
}
-void fPUTTXT(token_t word, long *state, long casemake)
+void PUTTXT(token_t word, long *state, long casemake)
/* Unpack the 30-bit value in word to obtain up to TOKLEN (currently
* 5) integer-encoded chars, and store them in inline starting at
* LNPOSN. If LNLENG>=LNPOSN, shift existing characters to the right
return;
byte=w/div;
w=(w-byte*div)*64;
- if (!(*state != 0 || byte != 63)) {
- *state=63;
+ if (!(*state != 0 || byte != ascii_to_advent['%'])) {
+ *state=ascii_to_advent['%'];
continue;
}
SHFTXT(LNPOSN,1);
*state=*state+byte;
if (*state < alph2 && *state >= alph1)*state=*state-26*casemake;
INLINE[LNPOSN]=*state;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
*state=0;
}
}
return;
}
-/* Suspend/resume I/O routines (SAVWDS, SAVARR, SAVWRD) */
-
-void fSAVWDS(long *W1, long *W2, long *W3, long *W4,
- long *W5, long *W6, long *W7)
-/* Write or read 7 variables. See SAVWRD. */
-{
- SAVWRD(0,(*W1));
- SAVWRD(0,(*W2));
- SAVWRD(0,(*W3));
- SAVWRD(0,(*W4));
- SAVWRD(0,(*W5));
- SAVWRD(0,(*W6));
- SAVWRD(0,(*W7));
-}
-
-void fSAVARR(long arr[], long n)
-/* Write or read an array of n words. See SAVWRD. */
-{
- long i;
-
- for (i=1; i<=n; i++) {
- SAVWRD(0,arr[i]);
- }
- return;
-}
-
-void fSAVWRD(long op, long *pword)
-/* If OP<0, start writing a file, using word to initialise encryption; save
- * word in the file. If OP>0, start reading a file; read the file to find
- * the value with which to decrypt the rest. In either case, if a file is
- * already open, finish writing/reading it and don't start a new one. If OP=0,
- * read/write a single word. Words are buffered in case that makes for more
- * efficient disk use. We also compute a simple checksum to catch elementary
- * poking within the saved file. When we finish reading/writing the file,
- * we store zero into *PWORD if there's no checksum error, else nonzero. */
-{
- static long buf[250], cksum = 0, h1, hash = 0, n = 0, state = 0;
-
- if (op != 0)
- {
- long ifvar = state;
- switch (ifvar<0 ? -1 : (ifvar>0 ? 1 : 0))
- {
- case -1:
- case 1:
- if (n == 250)SAVEIO(1,state > 0,buf);
- n=MOD(n,250)+1;
- if (state <= 0) {
- n--; buf[n]=cksum; n++;
- SAVEIO(1,false,buf);
- }
- n--; *pword=buf[n]-cksum; n++;
- SAVEIO(-1,state > 0,buf);
- state=0;
- break;
- case 0: /* FIXME: Huh? should be impossible */
- state=op;
- SAVEIO(0,state > 0,buf);
- n=1;
- if (state <= 0) {
- hash=MOD(*pword,1048576L);
- buf[0]=1234L*5678L-hash;
- }
- SAVEIO(1,true,buf);
- hash=MOD(1234L*5678L-buf[0],1048576L);
- cksum=buf[0];
- return;
- }
- }
- if (state == 0)
- return;
- if (n == 250)
- SAVEIO(1,state > 0,buf);
- n=MOD(n,250)+1;
- h1=MOD(hash*1093L+221573L,1048576L);
- hash=MOD(h1*1093L+221573L,1048576L);
- h1=MOD(h1,1234)*765432+MOD(hash,123);
- n--;
- if (state > 0)
- *pword=buf[n]+h1;
- buf[n]=*pword-h1;
- n++;
- cksum=MOD(cksum*13+*pword,1000000000L);
-}
-
/* Data structure routines */
long VOCAB(long id, long init)
long from;
if (object > NOBJECTS)
- goto L1;
- from=game.place[object];
- goto L2;
-L1:
- from=game.fixed[object-NOBJECTS];
-L2:
+ from=game.fixed[object-NOBJECTS];
+ else
+ from=game.place[object];
if (from > 0 && from <= 300)
CARRY(object,from);
DROP(object,where);
if (game.place[object] == -1)
return;
game.place[object]= -1;
- game.holdng=game.holdng+1;
+ ++game.holdng;
}
if (game.atloc[where] == object) {
game.atloc[where]=game.link[object];
return;
}
temp=game.atloc[where];
-L7: if (game.link[temp] == object)
- goto L8;
- temp=game.link[temp];
- goto L7;
-L8: game.link[temp]=game.link[object];
+ while (game.link[temp] != object) {
+ temp=game.link[temp];
+ }
+ game.link[temp]=game.link[object];
}
void DROP(long object, long where)
* game.holdng if the object was being toted. */
{
if (object > NOBJECTS)
- goto L1;
- if (game.place[object] == -1)
- game.holdng=game.holdng-1;
- game.place[object]=where;
- goto L2;
-L1: game.fixed[object-NOBJECTS]=where;
-L2: if (where <= 0)
+ game.fixed[object-NOBJECTS] = where;
+ else
+ {
+ if (game.place[object] == -1)
+ --game.holdng;
+ game.place[object] = where;
+ }
+ if (where <= 0)
return;
- game.link[object]=game.atloc[where];
- game.atloc[where]=object;
+ game.link[object] = game.atloc[where];
+ game.atloc[where] = object;
}
long ATDWRF(long where)
long SETBIT(long bit)
/* Returns 2**bit for use in constructing bit-masks. */
{
- return(2 << bit);
+ return(1 << bit);
}
bool TSTBIT(long mask, int bit)
exit(0);
}
-/* Machine dependent routines (MAPLIN, TYPE, MPINIT, SAVEIO) */
+/* Machine dependent routines (MAPLIN, TYPE, SAVEIO) */
-void MAPLIN(FILE *fp)
+bool MAPLIN(FILE *fp)
{
long i, val;
+ bool eof;
/* Read a line of input, from the specified input source,
* translate the chars to integers in the range 0-126 and store
* and is not changed thereafter unless the routines on this page choose
* to do so. */
- if (MAP2[1] == 0)
- MPINIT();
-
- if (!oldstyle && fp == stdin)
- fputs("> ", stdout);
do {
- IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,fp));
+ if (!editline) {
+ if (prompt)
+ fputs("> ", stdout);
+ IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,fp));
+ eof = (feof(fp));
+ } else {
+ char *cp = linenoise("> ");
+ eof = (cp == NULL);
+ if (!eof) {
+ strncpy(rawbuf, cp, sizeof(rawbuf)-1);
+ linenoiseHistoryAdd(rawbuf);
+ strncat(rawbuf, "\n", sizeof(rawbuf)-1);
+ linenoiseFree(cp);
+ }
+ }
} while
- (!feof(fp) && rawbuf[0] == '#');
- if (feof(fp)) {
+ (!eof && rawbuf[0] == '#');
+ if (eof) {
if (logfp && fp == stdin)
fclose(logfp);
+ return false;
} else {
+ FILE *efp = NULL;
if (logfp && fp == stdin)
- IGNORE(fputs(rawbuf, logfp));
+ efp = logfp;
else if (!isatty(0))
- IGNORE(fputs(rawbuf, stdout));
+ efp = stdout;
+ if (efp != NULL)
+ {
+ if (prompt)
+ fputs("> ", efp);
+ IGNORE(fputs(rawbuf, efp));
+ }
strcpy(INLINE+1, rawbuf);
LNLENG=0;
for (i=1; i<=(long)sizeof(INLINE) && INLINE[i]!=0; i++) {
- val=INLINE[i]+1;
- INLINE[i]=MAP1[val];
+ val=INLINE[i];
+ INLINE[i]=ascii_to_advent[val];
if (INLINE[i] != 0)
LNLENG=i;
}
LNPOSN=1;
+ return true;
}
}
return;
}
- if (MAP2[1] == 0)
- MPINIT();
for (i=1; i<=LNLENG; i++) {
- INLINE[i]=MAP2[INLINE[i]+1];
+ INLINE[i]=advent_to_ascii[INLINE[i]];
}
INLINE[LNLENG+1]=0;
printf("%s\n", INLINE+1);
return;
}
-void MPINIT(void)
-{
- long first, i, j, last, val;
- static long RUNS[7][2] = { {32,34}, {39,46}, {65,90}, {97,122},
- {37,37}, {48,57}, {0,126} };
- for (i=1; i<=128; i++) {
- MAP1[i]= -1;
- }
- val=0;
- for (i=0; i<7; i++) {
- first =RUNS[i][0];
- last = RUNS[i][1];
- for (j=first; j<=last; j++) {
- j++;
- if (MAP1[j] < 0) {
- MAP1[j]=val;
- ++val;
- }
- j--;
- }
- }
- MAP1[128]=MAP1[10];
- /* For this version, tab (9) maps to space (32), so del (127)
- * uses tab's value */
- MAP1[10]=MAP1[33];
- MAP1[11]=MAP1[33];
-
- for (i=0; i<=126; i++) {
- i++; val=MAP1[i]+1; i--;
- MAP2[val] = i*('B'-'A');
- if (i >= 64)
- MAP2[val]=(i-64)*('B'-'A')+'@';
- }
-}
-
-void fSAVEIO(long op, long in, long arr[])
-/* If OP=0, ask for a file name and open a file. (If IN=true, the file is for
- * input, else output.) If OP>0, read/write ARR from/into the previously-opened
- * file. (ARR is a 250-integer array.) If OP<0, finish reading/writing the
- * file. (Finishing writing can be a no-op if a "stop" statement does it
- * automatically. Finishing reading can be a no-op as long as a subsequent
- * SAVEIO(0,false,X) will still work.) */
-{
- static FILE *fp = NULL;
- char name[50];
-
- switch (op < 0 ? -1 : (op > 0 ? 1 : 0))
- {
- case -1:
- fclose(fp);
- break;
- case 0:
- while (fp == NULL) {
- printf("\nFile name: ");
- IGNORE(fgets(name, sizeof(name), stdin));
- fp = fopen(name,(in ? READ_MODE : WRITE_MODE));
- if (fp == NULL)
- printf("Can't open file %s, try again.\n", name);
- }
- break;
- case 1:
- if (in)
- IGNORE(fread(arr,sizeof(long),250,fp));
- else
- IGNORE(fwrite(arr,sizeof(long),250,fp));
- break;
- }
-}
-
void DATIME(long* d, long* t)
{
struct timeval tv;
*t = (long) tv.tv_usec;
}
-long MOD(long n, long m)
-{
- return(n%m);
-}
+/* end */
projects / open-adventure.git / blobdiff