#include "linenoise/linenoise.h"
#include "newdb.h"
-void* xmalloc(size_t size)
+char* xstrdup(const char* s)
{
- void* ptr = malloc(size);
+ char* ptr = strdup(s);
if (ptr == NULL)
{
fprintf(stderr, "Out of memory!\n");
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[i] = advent_to_ascii[advent];
+ token[4 - i] = advent_to_ascii[(int) advent];
}
+
+ // 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;
+ }
}
/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
printf("\n");
// Create a copy of our string, so we can edit it.
- char* copy = (char*) xmalloc(strlen(msg) + 1);
- strncpy(copy, msg, strlen(msg) + 1);
+ char* copy = xstrdup(msg);
- // Staging area for parameters.
- char parameters[2000][5];
+ // 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 param_index = 0;
+ int pi = 0; // parameter index
for (int i = 0; i < strlen(msg); ++i)
{
if (msg[i] == '%')
{
- ++param_index;
+ ++pi;
- // Integer specifier. In order to accommodate the fact that PARMS can have both legitimate integers *and* packed tokens, stringify these. Future work may eliminate the need for this.
+ // 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[param_index], "%d", PARMS[param_index]);
+ sprintf(parameters[pi], "%ld", PARMS[pi]);
}
- // Plain string specifier.
+ // Unmodified string specifier.
if (msg[i + 1] == 's')
{
- packed_to_token(PARMS[param_index], parameters[param_index]);
+ packed_to_token(PARMS[pi], parameters[pi]);
}
- // Plural replacement specifier.
+ // Singular/plural specifier.
if (msg[i + 1] == 'S')
{
copy[i + 1] = 's';
- if (PARMS[param_index - 1] > 1)
+ if (PARMS[pi - 1] > 1) // look at the *previous* parameter (which by necessity must be numeric)
{
- sprintf(parameters[param_index], "%s", "s");
+ sprintf(parameters[pi], "%s", "s");
}
else
{
- sprintf(parameters[param_index], "%s", "");
+ 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]);
+ }
}
}
// Render the final string.
- char rendered[2000];
- sprintf(&rendered, copy, parameters[1], parameters[2], parameters[3], parameters[4]);
+ 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);
-}
-
-void SPEAK(vocab_t msg)
-/* Print the message which starts at LINES[N]. Precede it with a blank line
- * unless game.blklin is false. */
-{
- long blank, casemake, i, nxt, neg, nparms, param, prmtyp, state;
-
- if (msg == 0)
- return;
- blank=game.blklin;
- nparms=1;
- do {
- nxt=labs(LINES[msg])-1;
- ++msg;
- LNLENG=0;
- LNPOSN=1;
- state=0;
- for (i = msg; i <= nxt; i++) {
- PUTTXT(LINES[i],&state,2);
- }
- LNPOSN=0;
- ++LNPOSN;
- while (LNPOSN <= LNLENG) {
- if (INLINE[LNPOSN] != ascii_to_advent['%']) {
- ++LNPOSN;
- continue;
- }
- prmtyp = INLINE[LNPOSN+1];
- /* A "%"; the next character determine the type of
- * parameter: 1 (!) = suppress message completely, 29 (S) = NULL
- * If PARAM=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, 65-73 (1-9) =
- * number using that many characters. */
- if (prmtyp == ascii_to_advent['!'])
- return;
- if (prmtyp == ascii_to_advent['S']) {
- SHFTXT(LNPOSN+2,-1);
- INLINE[LNPOSN] = ascii_to_advent['s'];
- if (PARMS[nparms] == 1)
- SHFTXT(LNPOSN+1,-1);
- ++nparms;
- continue;
- }
- if (prmtyp == ascii_to_advent['W'] || prmtyp == ascii_to_advent['L'] || prmtyp == ascii_to_advent['U'] || prmtyp == ascii_to_advent['C']) {
- SHFTXT(LNPOSN+2,-2);
- state = 0;
- casemake = -1;
- if (prmtyp == ascii_to_advent['U'])
- casemake=1;
- if (prmtyp == ascii_to_advent['W'])
- casemake=0;
- i = LNPOSN;
- PUTTXT(PARMS[nparms],&state,casemake);
- PUTTXT(PARMS[nparms+1],&state,casemake);
- if (prmtyp == ascii_to_advent['C'] && INLINE[i] >= ascii_to_advent['a'] && INLINE[i] <= ascii_to_advent['z'])
- {
- // Convert to uppercase.
- // Round-trip to ASCII and back so that this code doesn't break when the mapping changes.
- // This can be simplified when mapping goes away.
- char this = advent_to_ascii[INLINE[i]];
- char uc_this = toupper(this);
- INLINE[i] = ascii_to_advent[uc_this];
- }
- nparms += 2;
- continue;
- }
-
- prmtyp=prmtyp-64;
- if (prmtyp < ascii_to_advent['!'] || prmtyp > ascii_to_advent['-']) {
- ++LNPOSN;
- continue;
- }
- SHFTXT(LNPOSN+2,prmtyp-2);
- LNPOSN += prmtyp;
- param=labs(PARMS[nparms]);
- neg=0;
- if (PARMS[nparms] < 0)
- neg=9;
- for (i=1; i <= prmtyp; i++) {
- --LNPOSN;
- INLINE[LNPOSN]=MOD(param,10)+64;
- if (i != 1 && param == 0) {
- INLINE[LNPOSN]=neg;
- neg=0;
- }
- param=param/10;
- }
- LNPOSN += prmtyp;
- ++nparms;
- continue;
- }
-
- if (blank)
- TYPE0();
- blank=false;
- TYPE();
- msg = nxt + 1;
- } while
- (LINES[msg] >= 0);
+ free(copy);
}
void PSPEAK(vocab_t msg,int skip)
return word;
}
-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
- * to make room. STATE will be zero when puttxt is called with the
- * first of a sequence of words, but is thereafter unchanged by the
- * caller, so PUTTXT can use it to maintain state across calls.
- * LNPOSN and LNLENG are incremented by the number of chars stored.
- * If CASEMAKE=1, all letters are made uppercase; if -1, lowercase; if 0,
- * as is. any other value for case is the same as 0 but also causes
- * trailing blanks to be included (in anticipation of subsequent
- * additional text). */
-{
- long alph1, alph2, byte, div, i, w;
-
- alph1=13*casemake+24;
- alph2=26*labs(casemake)+alph1;
- if (labs(casemake) > 1)
- alph1=alph2;
- /* alph1&2 define range of wrong-case chars, 11-36 or 37-62 or empty. */
- div=64L*64L*64L*64L;
- w=word;
- for (i=1; i<=TOKLEN; i++)
- {
- if (w <= 0 && *state == 0 && labs(casemake) <= 1)
- return;
- byte=w/div;
- w=(w-byte*div)*64;
- 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;
- *state=0;
- }
-}
-#define PUTTXT(WORD,STATE,CASE) fPUTTXT(WORD,&STATE,CASE)
-
-void SHFTXT(long from, long delta)
-/* Move INLINE(N) to INLINE(N+DELTA) for N=FROM,LNLENG. Delta can be
- * negative. LNLENG is updated; LNPOSN is not changed. */
-{
- long I, k, j;
-
- if (!(LNLENG < from || delta == 0)) {
- for (I=from; I<=LNLENG; I++) {
- k=I;
- if (delta > 0)
- k=from+LNLENG-I;
- j=k+delta;
- INLINE[j]=INLINE[k];
- }
- }
- LNLENG=LNLENG+delta;
-}
-
void TYPE0(void)
/* Type a blank line. This procedure is provided as a convenience for callers
* who otherwise have no use for MAPCOM. */
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
- * them in the common array "INLINE". Integer values are as follows:
- * 0 = space [ASCII CODE 40 octal, 32 decimal]
- * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
- * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
- * 11-36 = upper-case letters
- * 37-62 = lower-case letters
- * 63 = percent (%) [ASCII 45 octal, 37 decimal]
- * 64-73 = digits, 0 through 9
- * Remaining characters can be translated any way that is convenient;
- * The "TYPE" routine below is used to map them back to characters when
- * necessary. The above mappings are required so that certain special
- * characters are known to fit in 6 bits and/or can be easily spotted.
- * Array elements beyond the end of the line should be filled with 0,
- * and LNLENG should be set to the index of the last character.
+ /* Read a line of input, from the specified input source.
+ * This logic is complicated partly because it has to serve
+ * several cases with different requirements and partly because
+ * of a quirk in linenoise().
*
- * If the data file uses a character other than space (e.g., tab) to
- * separate numbers, that character should also translate to 0.
+ * The quirk shows up when you paste a test log from the clipboard
+ * to the program's command prompt. While fgets (as expected)
+ * consumes it a line at a time, linenoise() returns the first
+ * line and discards the rest. Thus, there needs to be an
+ * editline (-s) option to fall back to fgets while still
+ * prompting. Note that linenoise does behave properly when
+ * fed redirected stdin.
*
- * This procedure may use the map1,map2 arrays to maintain static data for
- * the mapping. MAP2(1) is set to 0 when the program starts
- * and is not changed thereafter unless the routines on this page choose
- * to do so. */
-
- if (!oldstyle && !isatty(1))
- fputs("> ", stdout);
+ * The logging is a bit of a mess because there are two distinct cases
+ * in which you want to echo commands. One is when shipping them to
+ * a log under the -l option, in which case you want to suppress
+ * prompt generation (so test logs are unadorned command sequences).
+ * On the other hand, if you redirected stdin and are feeding the program
+ * a logfile, you *do* want prompt generation - it makes checkfiles
+ * easier to read when the commands are marked by a preceding prompt.
+ */
do {
- if (oldstyle) {
+ if (!editline) {
+ if (prompt)
+ fputs("> ", stdout);
IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,fp));
eof = (feof(fp));
} else {
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 && efp == stdout)
+ fputs("> ", efp);
+ IGNORE(fputs(rawbuf, efp));
+ }
strcpy(INLINE+1, rawbuf);
+ /* translate the chars to integers in the range 0-126 and store
+ * them in the common array "INLINE". Integer values are as follows:
+ * 0 = space [ASCII CODE 40 octal, 32 decimal]
+ * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
+ * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
+ * 11-36 = upper-case letters
+ * 37-62 = lower-case letters
+ * 63 = percent (%) [ASCII 45 octal, 37 decimal]
+ * 64-73 = digits, 0 through 9
+ * Remaining characters can be translated any way that is convenient;
+ * The "TYPE" routine below is used to map them back to characters when
+ * necessary. The above mappings are required so that certain special
+ * characters are known to fit in 6 bits and/or can be easily spotted.
+ * Array elements beyond the end of the line should be filled with 0,
+ * and LNLENG should be set to the index of the last character.
+ *
+ * If the data file uses a character other than space (e.g., tab) to
+ * separate numbers, that character should also translate to 0.
+ *
+ * This procedure may use the map1,map2 arrays to maintain static data for
+ * the mapping. MAP2(1) is set to 0 when the program starts
+ * and is not changed thereafter unless the routines on this page choose
+ * to do so. */
LNLENG=0;
for (i=1; i<=(long)sizeof(INLINE) && INLINE[i]!=0; i++) {
val=INLINE[i];
}
for (i=1; i<=LNLENG; i++) {
- INLINE[i]=advent_to_ascii[INLINE[i]];
+ INLINE[i]=advent_to_ascii[(int) INLINE[i]];
}
INLINE[LNLENG+1]=0;
printf("%s\n", INLINE+1);
*t = (long) tv.tv_usec;
}
-long MOD(long n, long m)
-{
- return(n%m);
-}
+/* end */
projects / open-adventure.git / blobdiff