X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=misc.c;h=075e9d08eee3235b72ce8ef8b6283d8298cb880b;hp=16ad02ac6045df58f30596da5c7e12616e6dbf8f;hb=e07cedf332029369f2ce09a6f6ced3dda0de2558;hpb=f715091db6a55e49ab1c21c891011c9ae535a93c diff --git a/misc.c b/misc.c index 16ad02a..075e9d0 100644 --- a/misc.c +++ b/misc.c @@ -10,9 +10,9 @@ #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"); @@ -23,12 +23,24 @@ void* xmalloc(size_t size) 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[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) */ @@ -48,158 +60,79 @@ void newspeak(char* msg) 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) @@ -360,66 +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. */ @@ -671,35 +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 { @@ -719,11 +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]; @@ -764,7 +663,4 @@ void DATIME(long* d, long* t) *t = (long) tv.tv_usec; } -long MOD(long n, long m) -{ - return(n%m); -} +/* end */