X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=misc.c;h=c47ce1d8ed4007cf8dc8e14b6c446a36e85794a8;hp=ba9bed32991e7975275eeb064895714bea22b69c;hb=c5d2d9ddb54647bdb3ca03a0163a5da103dc8946;hpb=639eff8b0b6746bae60b814548a292daa18a7fd3 diff --git a/misc.c b/misc.c index ba9bed3..c47ce1d 100644 --- a/misc.c +++ b/misc.c @@ -8,111 +8,131 @@ #include "advent.h" #include "database.h" #include "linenoise/linenoise.h" +#include "newdb.h" + +char* xstrdup(const char* s) +{ + char* ptr = strdup(s); + if (ptr == NULL) + { + fprintf(stderr, "Out of memory!\n"); + exit(EXIT_FAILURE); + } + return(ptr); +} + +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[(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) */ -void SPEAK(vocab_t msg) -/* Print the message which starts at LINES[N]. Precede it with a blank line - * unless game.blklin is false. */ +void newspeak(char* msg) { - long blank, casemake, i, nxt, neg, nparms, param, prmtyp, state; + // Do nothing if we got a null pointer. + if (msg == NULL) + return; - 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; + // 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"); - while (LNPOSN <= LNLENG) { - if (INLINE[LNPOSN] != ascii_to_advent['%']) { - ++LNPOSN; - continue; + // 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]); } - 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, 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 == 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; + + // Unmodified string specifier. + if (msg[i + 1] == 's') + { + packed_to_token(PARMS[pi], parameters[pi]); } - 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; + + // 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", ""); + } } - prmtyp=prmtyp-64; - if (prmtyp < ascii_to_advent['!'] || prmtyp > ascii_to_advent['-']) { - ++LNPOSN; - continue; + // 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]); + } } - 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; + + // 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]); } - param=param/10; + parameters[pi][0] = toupper(parameters[pi][0]); } - LNPOSN += prmtyp; - ++nparms; - continue; - } + } + } - if (blank) - TYPE0(); - blank=false; - TYPE(); - msg = nxt + 1; - } while - (LINES[msg] >= 0); + // 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) @@ -120,25 +140,16 @@ 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) @@ -282,66 +293,6 @@ token_t MAKEWD(long letters) 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. */ @@ -593,35 +544,31 @@ 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 - * 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 { @@ -641,11 +588,41 @@ bool MAPLIN(FILE *fp) 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]; @@ -671,7 +648,7 @@ void TYPE(void) } 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); @@ -686,7 +663,4 @@ void DATIME(long* d, long* t) *t = (long) tv.tv_usec; } -long MOD(long n, long m) -{ - return(n%m); -} +/* end */