X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=misc.c;h=4b9ac2c1e8253eb28a9fc2ee6965d50fd90dfa0f;hp=78cc5a30e5a13a5da4f68519e77bb1a30a52ee6b;hb=342994376a6cc0fc9623cece2b9b85a7557ca47f;hpb=4a4c113624239b55b176ee23ed8e23c2337d42e2 diff --git a/misc.c b/misc.c index 78cc5a3..4b9ac2c 100644 --- a/misc.c +++ b/misc.c @@ -23,73 +23,6 @@ static void* xmalloc(size_t size) return (ptr); } -void packed_to_token(long packed, char token[TOKLEN + 1]) -{ - // The advent->ascii mapping. - const char advent_to_ascii[] = { - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '\0', '\0', '\0', '\0', '\0', - }; - - // Unpack and map back to ASCII. - for (int i = 0; i < 5; ++i) { - char advent = (packed >> i * 6) & 63; - token[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; - } -} - -long token_to_packed(const char token[]) -{ - const char ascii_to_advent[] = { - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, - 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, - 56, 57, 58, 59, 60, 61, 62, 63, - - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - }; - - size_t t_len = strlen(token); - if (t_len > TOKLEN) - t_len = TOKLEN; - long packed = 0; - for (size_t i = 0; i < t_len; ++i) { - char mapped = ascii_to_advent[(int) toupper(token[i])]; - packed |= (mapped << (6 * i)); - } - return (packed); -} - void tokenize(char* raw, struct command_t *cmd) { memset(cmd, '\0', sizeof(struct command_t)); @@ -99,10 +32,6 @@ void tokenize(char* raw, struct command_t *cmd) * raw-input buffer as long as the enrire inout buffer. */ sscanf(raw, "%s%s", cmd->raw1, cmd->raw2); - // pack the substrings - cmd->wd1 = token_to_packed(cmd->raw1); - cmd->wd2 = token_to_packed(cmd->raw2); - /* (ESR) In oldstyle mode, simulate the uppercasing and truncating * effect on raw tokens of packing them into sixbit characters, 5 * to a 32-bit word. This is something the FORTRAN version did @@ -126,26 +55,9 @@ void tokenize(char* raw, struct command_t *cmd) } } -/* Hide the fact that wods are corrently packed longs */ - -bool wordeq(token_t a, token_t b) -{ - return a == b; -} - -bool wordempty(token_t a) -{ - return a == 0; -} - -void wordclear(token_t *v) -{ - *v = 0; -} - /* I/O routines (speak, pspeak, rspeak, sspeak, get_input, yes) */ -void vspeak(const char* msg, bool blank, va_list ap) +static void vspeak(const char* msg, bool blank, va_list ap) { // Do nothing if we got a null pointer. if (msg == NULL) @@ -165,43 +77,43 @@ void vspeak(const char* msg, bool blank, va_list ap) char* rendered = xmalloc(size); char* renderp = rendered; - // Handle format specifiers (including the custom %C, %L, %S) by + // Handle format specifiers (including the custom %S) by // adjusting the parameter accordingly, and replacing the // specifier with %s. - long previous_arg = 0; + bool pluralize = false; for (int i = 0; i < msglen; i++) { if (msg[i] != '%') { - /* Ugh. Least obtrusive way to deal with artifacts "on the floor" - * being dropped outside of both cave and building. */ - if (strncmp(msg + i, "floor", 5) == 0 && strchr(" .", msg[i+5]) && !INSIDE(game.loc)) { - strcpy(renderp, "ground"); - renderp += 6; - i += 4; - size -= 5; - } else { - *renderp++ = msg[i]; - size--; - } + /* Ugh. Least obtrusive way to deal with artifacts "on the floor" + * being dropped outside of both cave and building. */ + if (strncmp(msg + i, "floor", 5) == 0 && strchr(" .", msg[i + 5]) && !INSIDE(game.loc)) { + strcpy(renderp, "ground"); + renderp += 6; + i += 4; + size -= 5; + } else { + *renderp++ = msg[i]; + size--; + } } else { - long arg = va_arg(ap, long); - if (arg == -1) - arg = 0; // LCOV_EXCL_LINE - don't think we can get here. i++; // 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] == 'd') { + long arg = va_arg(ap, long); int ret = snprintf(renderp, size, "%ld", arg); if (ret < size) { renderp += ret; size -= ret; } + pluralize = (arg != 1); } // Unmodified string specifier. if (msg[i] == 's') { - packed_to_token(arg, renderp); /* unpack directly to destination */ + char *arg = va_arg(ap, char *); + strncat(renderp, arg, size-1); size_t len = strlen(renderp); renderp += len; size -= len; @@ -209,7 +121,8 @@ void vspeak(const char* msg, bool blank, va_list ap) // Singular/plural specifier. if (msg[i] == 'S') { - if (previous_arg > 1) { // look at the *previous* parameter (which by necessity must be numeric) + // look at the *previous* numeric parameter + if (pluralize) { *renderp++ = 's'; size--; } @@ -222,8 +135,6 @@ void vspeak(const char* msg, bool blank, va_list ap) renderp += len; size -= len; } - - previous_arg = arg; } } *renderp = 0; @@ -467,12 +378,12 @@ bool yes(const char* question, const char* yes_response, const char* no_response /* Data structure routines */ -int get_motion_vocab_id(const char* word) +static int get_motion_vocab_id(const char* word) // Return the first motion number that has 'word' as one of its words. { for (int i = 0; i < NMOTIONS; ++i) { for (int j = 0; j < motions[i].words.n; ++j) { - if (strcasecmp(word, motions[i].words.strs[j]) == 0 && (strlen(word) > 1 || + if (strncasecmp(word, motions[i].words.strs[j], TOKLEN) == 0 && (strlen(word) > 1 || strchr(ignore, word[0]) == NULL || !settings.oldstyle)) return (i); @@ -482,12 +393,12 @@ int get_motion_vocab_id(const char* word) return (WORD_NOT_FOUND); } -int get_object_vocab_id(const char* word) +static int get_object_vocab_id(const char* word) // Return the first object number that has 'word' as one of its words. { for (int i = 0; i < NOBJECTS + 1; ++i) { // FIXME: the + 1 should go when 1-indexing for objects is removed for (int j = 0; j < objects[i].words.n; ++j) { - if (strcasecmp(word, objects[i].words.strs[j]) == 0) + if (strncasecmp(word, objects[i].words.strs[j], TOKLEN) == 0) return (i); } } @@ -495,12 +406,12 @@ int get_object_vocab_id(const char* word) return (WORD_NOT_FOUND); } -int get_action_vocab_id(const char* word) +static int get_action_vocab_id(const char* word) // Return the first motion number that has 'word' as one of its words. { for (int i = 0; i < NACTIONS; ++i) { for (int j = 0; j < actions[i].words.n; ++j) { - if (strcasecmp(word, actions[i].words.strs[j]) == 0 && (strlen(word) > 1 || + if (strncasecmp(word, actions[i].words.strs[j], TOKLEN) == 0 && (strlen(word) > 1 || strchr(ignore, word[0]) == NULL || !settings.oldstyle)) return (i); @@ -510,12 +421,12 @@ int get_action_vocab_id(const char* word) return (WORD_NOT_FOUND); } -int get_special_vocab_id(const char* word) +static int get_special_vocab_id(const char* word) // Return the first special number that has 'word' as one of its words. { for (int i = 0; i < NSPECIALS; ++i) { for (int j = 0; j < specials[i].words.n; ++j) { - if (strcasecmp(word, specials[i].words.strs[j]) == 0) + if (strncasecmp(word, specials[i].words.strs[j], TOKLEN) == 0) return (i); } } @@ -523,37 +434,55 @@ int get_special_vocab_id(const char* word) return (WORD_NOT_FOUND); } -long get_vocab_id(const char* word) -// Search the vocab categories in order for the supplied word. +void get_vocab_metadata(const char* word, long* id, enum wordtype* type) { /* Check for an empty string */ - if (strncmp(word, "", sizeof("")) == 0) - return (WORD_EMPTY); + if (strncmp(word, "", sizeof("")) == 0) { + *id = WORD_EMPTY; + *type = NO_WORD_TYPE; + return; + } long ref_num; - /* FIXME: Magic numbers related to vocabulary */ ref_num = get_motion_vocab_id(word); - if (ref_num != WORD_NOT_FOUND) - return MOTION_WORD(ref_num); + if (ref_num != WORD_NOT_FOUND) { + *id = ref_num; + *type = MOTION; + return; + } ref_num = get_object_vocab_id(word); - if (ref_num != WORD_NOT_FOUND) - return OBJECT_WORD(ref_num); + if (ref_num != WORD_NOT_FOUND) { + *id = ref_num; + *type = OBJECT; + return; + } ref_num = get_action_vocab_id(word); - if (ref_num != WORD_NOT_FOUND) - return ACTION_WORD(ref_num); + if (ref_num != WORD_NOT_FOUND) { + *id = ref_num; + *type = ACTION; + return; + } ref_num = get_special_vocab_id(word); - if (ref_num != WORD_NOT_FOUND) - return SPECIAL_WORD(ref_num); + if (ref_num != WORD_NOT_FOUND) { + *id = ref_num; + *type = SPECIAL; + return; + } // Check for the reservoir magic word. - if (strcasecmp(word, game.zzword) == 0) - return ACTION_WORD(PART); + if (strcasecmp(word, game.zzword) == 0) { + *id = PART; + *type = ACTION; + return; + } - return (WORD_NOT_FOUND); + *id = WORD_NOT_FOUND; + *type = NO_WORD_TYPE; + return; } void juggle(obj_t object)