X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=dict%2Fscan.c;h=f66a1c29b43eef39bf6de87eacd12448dbb51bc9;hb=1b1c0452f350e2a499535f40540f0d3a034a9738;hp=44ff6619f50d765437768877cca9cdbbda2bca93;hpb=b31a8654c5b7a597dd4a351f452ac91e5ef60798;p=idzebra-moved-to-github.git diff --git a/dict/scan.c b/dict/scan.c index 44ff661..f66a1c2 100644 --- a/dict/scan.c +++ b/dict/scan.c @@ -1,10 +1,28 @@ /* - * Copyright (C) 1994, Index Data I/S + * Copyright (C) 1994-1999, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: scan.c,v $ - * Revision 1.8 1996-02-02 13:43:52 adam + * Revision 1.13 1999-05-15 14:36:37 adam + * Updated dictionary. Implemented "compression" of dictionary. + * + * Revision 1.12 1999/02/02 14:50:28 adam + * Updated WIN32 code specific sections. Changed header. + * + * Revision 1.11 1998/06/22 11:34:45 adam + * Changed scan callback function so it doesn't stop further scanning. + * + * Revision 1.10 1998/03/06 16:58:04 adam + * Fixed bug which related to scanning of large indexes. + * + * Revision 1.9 1997/10/27 14:33:04 adam + * Moved towards generic character mapping depending on "structure" + * field in abstract syntax file. Fixed a few memory leaks. Fixed + * bug with negative integers when doing searches with relational + * operators. + * + * Revision 1.8 1996/02/02 13:43:52 adam * The public functions simply use char instead of Dict_char to represent * search strings. Dict_char is used internally only. * @@ -53,7 +71,7 @@ int dict_scan_trav (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, lo = hi; else lo = start; - indxp = (short*) ((char*) p+DICT_pagesize(dict)-sizeof(short)); + indxp = (short*) ((char*) p+DICT_bsize(p)-sizeof(short)); while (lo <= hi && lo >= 0 && *count > 0) { @@ -67,9 +85,8 @@ int dict_scan_trav (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, for (j = 0; info[j] != DICT_EOS; j++) str[pos+j] = info[j]; str[pos+j] = DICT_EOS; - if ((*userfunc)((char*) str, info+(j+1)*sizeof(Dict_char), - *count * dir, client)) - return 1; + (*userfunc)((char*) str, info+(j+1)*sizeof(Dict_char), + *count * dir, client); --(*count); } else @@ -96,14 +113,18 @@ int dict_scan_trav (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, --(*count); } if (*count > 0 && subptr) - dict_scan_trav (dict, subptr, pos+1, str, 0, count, - client, userfunc, dir); + { + dict_scan_trav (dict, subptr, pos+1, str, 0, count, + client, userfunc, dir); + dict_bf_readp (dict->dbf, ptr, &p); + indxp = (short*) ((char*) p+DICT_bsize(p)-sizeof(short)); + } } lo += dir; } return 0; } - + int dict_scan_r (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, int *before, int *after, void *client, int (*userfunc)(char *, const char *, int, void *)) @@ -118,7 +139,7 @@ int dict_scan_r (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, return 0; mid = lo = 0; hi = DICT_nodir(p)-1; - indxp = (short*) ((char*) p+DICT_pagesize(dict)-sizeof(short)); + indxp = (short*) ((char*) p+DICT_bsize(p)-sizeof(short)); while (lo <= hi) { mid = (lo+hi)/2; @@ -176,9 +197,11 @@ int dict_scan_r (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, return 1; } else if (subptr) + { if (dict_scan_r (dict, subptr, pos+1, str, before, after, client, userfunc)) return 1; + } break; } } @@ -203,9 +226,16 @@ int dict_scan_r (Dict dict, Dict_ptr ptr, int pos, Dict_char *str, int dict_scan (Dict dict, char *str, int *before, int *after, void *client, int (*f)(char *name, const char *info, int pos, void *client)) { - if (dict->head.last <= 1) + int i; + + logf (LOG_DEBUG, "dict_scan"); + for (i = 0; str[i]; i++) + { + logf (LOG_DEBUG, " %3d %c", str[i], + (str[i] > ' ' && str[i] < 127) ? str[i] : '?'); + } + if (!dict->head.root) return 0; - return dict_scan_r (dict, 1, 0, (Dict_char *) str, before, after, client, - f); + return dict_scan_r (dict, dict->head.root, 0, (Dict_char *) str, + before, after, client, f); } -