X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzrpn.c;h=e7580a1654dc7552633f5e41a354558de123a328;hb=0df6c383d656dba662eb9d9acafed01a0973fcff;hp=d9549392bc91724644f71dac56936093fe02b079;hpb=25476b7e1a0e7dbbe261a88fd7f14869aa27e237;p=idzebra-moved-to-github.git diff --git a/index/zrpn.c b/index/zrpn.c index d954939..e7580a1 100644 --- a/index/zrpn.c +++ b/index/zrpn.c @@ -1,10 +1,37 @@ /* - * Copyright (C) 1995-1998, Index Data I/S + * Copyright (C) 1995-1998, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zrpn.c,v $ - * Revision 1.76 1998-04-02 14:35:29 adam + * Revision 1.83 1998-09-02 13:53:19 adam + * Extra parameter decode added to search routines to implement + * persistent queries. + * + * Revision 1.82 1998/06/26 11:16:40 quinn + * Added support (un-optimised) for left and left/right truncation + * + * Revision 1.81 1998/06/24 12:16:14 adam + * Support for relations on text operands. Open range support in + * DFA module (i.e. [-j], [g-]). + * + * Revision 1.80 1998/06/23 15:33:34 adam + * Added feature to specify sort criteria in query (type 7 specifies + * sort flags). + * + * Revision 1.79 1998/06/22 11:35:09 adam + * Minor changes. + * + * Revision 1.78 1998/06/08 14:43:17 adam + * Added suport for EXPLAIN Proxy servers - added settings databasePath + * and explainDatabase to facilitate this. Increased maximum number + * of databases and attributes in one register. + * + * Revision 1.77 1998/05/20 10:12:22 adam + * Implemented automatic EXPLAIN database maintenance. + * Modified Zebra to work with ASN.1 compiled version of YAZ. + * + * Revision 1.76 1998/04/02 14:35:29 adam * First version of Zebra that works with compiled ASN.1. * * Revision 1.75 1998/03/05 08:45:13 adam @@ -398,7 +425,6 @@ static void term_untrans (ZebraHandle zh, int reg_type, static void add_isam_p (const char *name, const char *info, struct grep_info *p) { - char term_tmp[1024]; if (p->isam_p_indx == p->isam_p_size) { ISAM_P *new_isam_p_buf; @@ -431,9 +457,10 @@ static void add_isam_p (const char *name, const char *info, assert (*info == sizeof(*p->isam_p_buf)); memcpy (p->isam_p_buf + p->isam_p_indx, info+1, sizeof(*p->isam_p_buf)); +#if 0 term_untrans (p->zh, p->reg_type, term_tmp, name+2); logf (LOG_DEBUG, "grep: %s", term_tmp); - +#endif (p->isam_p_indx)++; } @@ -704,79 +731,187 @@ static void gen_regular_rel (char *dst, int val, int islt) strcat (dst, "))"); } -static int relational_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - const char **term_sub, - char *term_dict, - oid_value attributeSet, - struct grep_info *grep_info, - int *max_pos, - int reg_type, - char *term_dst) +void string_rel_add_char (char **term_p, const char *src, int *indx) +{ + if (src[*indx] == '\\') + *(*term_p)++ = src[(*indx)++]; + *(*term_p)++ = src[(*indx)++]; +} + +/* + * > abc ([b-].*|a[c-].*|ab[d-].*|abc.+) + * ([^-a].*|a[^-b].*ab[^-c].*|abc.+) + * >= abc ([b-].*|a[c-].*|ab[c-].*) + * ([^-a].*|a[^-b].*|ab[c-].*) + * < abc ([-0].*|a[-a].*|ab[-b].*) + * ([^a-].*|a[^b-].*|ab[^c-].*) + * <= abc ([-0].*|a[-a].*|ab[-b].*|abc) + * ([^a-].*|a[^b-].*|ab[^c-].*|abc) + */ +static int string_relation (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + const char **term_sub, char *term_dict, + oid_value attributeSet, + int reg_type, int space_split, char *term_dst) { AttrType relation; int relation_value; - int term_value; - int r; + int i; char *term_tmp = term_dict + strlen(term_dict); + char term_component[256]; attr_init (&relation, zapt, 2); relation_value = attr_find (&relation, NULL); - logf (LOG_DEBUG, "relation value=%d", relation_value); + logf (LOG_DEBUG, "string relation value=%d", relation_value); switch (relation_value) { case 1: - if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_tmp, 1, - term_dst)) + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_component, + space_split, term_dst)) return 0; - term_value = atoi (term_tmp); logf (LOG_DEBUG, "Relation <"); - gen_regular_rel (term_tmp, term_value-1, 1); + + *term_tmp++ = '('; + for (i = 0; term_component[i]; ) + { + int j = 0; + + if (i) + *term_tmp++ = '|'; + while (j < i) + string_rel_add_char (&term_tmp, term_component, &j); + + *term_tmp++ = '['; + + *term_tmp++ = '^'; + string_rel_add_char (&term_tmp, term_component, &i); + *term_tmp++ = '-'; + + *term_tmp++ = ']'; + *term_tmp++ = '.'; + *term_tmp++ = '*'; + } + *term_tmp++ = ')'; + *term_tmp = '\0'; break; case 2: - if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_tmp, 1, - term_dst)) + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_component, + space_split, term_dst)) return 0; - term_value = atoi (term_tmp); logf (LOG_DEBUG, "Relation <="); - gen_regular_rel (term_tmp, term_value, 1); - break; - case 4: - if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_tmp, 1, - term_dst)) - return 0; - term_value = atoi (term_tmp); - logf (LOG_DEBUG, "Relation >="); - gen_regular_rel (term_tmp, term_value, 0); + + *term_tmp++ = '('; + for (i = 0; term_component[i]; ) + { + int j = 0; + + while (j < i) + string_rel_add_char (&term_tmp, term_component, &j); + *term_tmp++ = '['; + + *term_tmp++ = '^'; + string_rel_add_char (&term_tmp, term_component, &i); + *term_tmp++ = '-'; + + *term_tmp++ = ']'; + *term_tmp++ = '.'; + *term_tmp++ = '*'; + + *term_tmp++ = '|'; + } + for (i = 0; term_component[i]; ) + string_rel_add_char (&term_tmp, term_component, &i); + *term_tmp++ = ')'; + *term_tmp = '\0'; break; case 5: - if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_tmp, 1, - term_dst)) + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_component, + space_split, term_dst)) return 0; - term_value = atoi (term_tmp); logf (LOG_DEBUG, "Relation >"); - gen_regular_rel (term_tmp, term_value+1, 0); + + *term_tmp++ = '('; + for (i = 0; term_component[i];) + { + int j = 0; + + while (j < i) + string_rel_add_char (&term_tmp, term_component, &j); + *term_tmp++ = '['; + + *term_tmp++ = '^'; + *term_tmp++ = '-'; + string_rel_add_char (&term_tmp, term_component, &i); + + *term_tmp++ = ']'; + *term_tmp++ = '.'; + *term_tmp++ = '*'; + + *term_tmp++ = '|'; + } + for (i = 0; term_component[i];) + string_rel_add_char (&term_tmp, term_component, &i); + *term_tmp++ = '.'; + *term_tmp++ = '+'; + *term_tmp++ = ')'; + *term_tmp = '\0'; break; + case 4: + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_component, + space_split, term_dst)) + return 0; + logf (LOG_DEBUG, "Relation >="); + + *term_tmp++ = '('; + for (i = 0; term_component[i];) + { + int j = 0; + + if (i) + *term_tmp++ = '|'; + while (j < i) + string_rel_add_char (&term_tmp, term_component, &j); + *term_tmp++ = '['; + + if (term_component[i+1]) + { + *term_tmp++ = '^'; + *term_tmp++ = '-'; + string_rel_add_char (&term_tmp, term_component, &i); + } + else + { + string_rel_add_char (&term_tmp, term_component, &i); + *term_tmp++ = '-'; + } + *term_tmp++ = ']'; + *term_tmp++ = '.'; + *term_tmp++ = '*'; + } + *term_tmp++ = ')'; + *term_tmp = '\0'; + break; + case 3: default: - return 0; + logf (LOG_DEBUG, "Relation ="); + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_component, + space_split, term_dst)) + return 0; + strcat (term_tmp, "("); + strcat (term_tmp, term_component); + strcat (term_tmp, ")"); } - logf (LOG_DEBUG, "dict_lookup_grep: %s", term_tmp); - r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, max_pos, - 0, grep_handle); - if (r) - logf (LOG_WARN, "dict_lookup_grep fail, rel=gt: %d", r); - logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx); return 1; } -static int field_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - const char **term_sub, - oid_value attributeSet, struct grep_info *grep_info, - int reg_type, int complete_flag, - int num_bases, char **basenames, - char *term_dst) +static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + const char **term_sub, + oid_value attributeSet, struct grep_info *grep_info, + int reg_type, int complete_flag, + int num_bases, char **basenames, + char *term_dst) { - char term_dict[2*IT_MAX_WORD+2]; + char term_dict[2*IT_MAX_WORD+4000]; int j, r, base_no; AttrType truncation; int truncation_value; @@ -790,7 +925,7 @@ static int field_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, rpn_char_map_prepare (zh, reg_type, &rcmi); attr_init (&use, zapt, 1); use_value = attr_find (&use, &curAttributeSet); - logf (LOG_DEBUG, "field_term, use value %d", use_value); + logf (LOG_DEBUG, "string_term, use value %d", use_value); attr_init (&truncation, zapt, 5); truncation_value = attr_find (&truncation, NULL); logf (LOG_DEBUG, "truncation value %d", truncation_value); @@ -825,6 +960,8 @@ static int field_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, local_attr = local_attr->next) { int ord; + char ord_buf[32]; + int i, ord_len; ord = zebraExplain_lookupSU (zh->zei, attp.attset_ordinal, local_attr->local); @@ -834,8 +971,13 @@ static int field_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, term_dict[prefix_len++] = '|'; else term_dict[prefix_len++] = '('; - term_dict[prefix_len++] = 1; - term_dict[prefix_len++] = ord; + + ord_len = key_SU_code (ord, ord_buf); + for (i = 0; izebra_maps, reg_type, - &termp, term_dict + j, space_split, term_dst)) - return 0; - strcat (term_dict, ")"); - r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, - &max_pos, 0, grep_handle); - if (r) - logf (LOG_WARN, "dict_lookup_grep err, trunc=none:%d", r); - break; - case 1: /* right truncation */ - term_dict[j++] = '('; - if (!term_100 (zh->zebra_maps, reg_type, - &termp, term_dict + j, space_split, term_dst)) - return 0; - strcat (term_dict, ".*)"); - dict_lookup_grep (zh->dict, term_dict, 0, grep_info, - &max_pos, 0, grep_handle); - break; - case 2: /* left truncation */ - case 3: /* left&right truncation */ - zh->errCode = 120; - return -1; - case 101: /* process # in term */ - term_dict[j++] = '('; - if (!term_101 (zh->zebra_maps, reg_type, - &termp, term_dict + j, space_split, term_dst)) - return 0; - strcat (term_dict, ")"); - r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, - &max_pos, 0, grep_handle); - if (r) - logf (LOG_WARN, "dict_lookup_grep err, trunc=#: %d", r); - break; - case 102: /* Regexp-1 */ - term_dict[j++] = '('; - if (!term_102 (zh->zebra_maps, reg_type, - &termp, term_dict + j, space_split, term_dst)) - return 0; - strcat (term_dict, ")"); - logf (LOG_DEBUG, "Regexp-1 tolerance=%d", r); - r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, - &max_pos, 0, grep_handle); - if (r) - logf (LOG_WARN, "dict_lookup_grep err, trunc=regular: %d", - r); - break; - case 103: /* Regexp-2 */ - r = 1; - term_dict[j++] = '('; - if (!term_103 (zh->zebra_maps, reg_type, - &termp, term_dict + j, &r, space_split, term_dst)) - return 0; - strcat (term_dict, ")"); - logf (LOG_DEBUG, "Regexp-2 tolerance=%d", r); - r = dict_lookup_grep (zh->dict, term_dict, r, grep_info, - &max_pos, 2, grep_handle); - if (r) - logf (LOG_WARN, "dict_lookup_grep err, trunc=eregular: %d", - r); - break; - } + j = prefix_len; + switch (truncation_value) + { + case -1: /* not specified */ + case 100: /* do not truncate */ + if (!string_relation (zh, zapt, &termp, term_dict, + attributeSet, + reg_type, space_split, term_dst)) + return 0; + logf (LOG_DEBUG, "dict_lookup_grep: %s", term_dict+prefix_len); + r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, &max_pos, + 0, grep_handle); + if (r) + logf (LOG_WARN, "dict_lookup_grep fail, rel=gt: %d", r); + break; + case 1: /* right truncation */ + term_dict[j++] = '('; + if (!term_100 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ".*)"); + dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + break; + case 2: /* keft truncation */ + term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*'; + if (!term_100 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ")"); + dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + break; + case 3: /* left&right truncation */ + term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*'; + if (!term_100 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ".*)"); + dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + break; + zh->errCode = 120; + return -1; + case 101: /* process # in term */ + term_dict[j++] = '('; + if (!term_101 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ")"); + r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + if (r) + logf (LOG_WARN, "dict_lookup_grep err, trunc=#: %d", r); + break; + case 102: /* Regexp-1 */ + term_dict[j++] = '('; + if (!term_102 (zh->zebra_maps, reg_type, + &termp, term_dict + j, space_split, term_dst)) + return 0; + strcat (term_dict, ")"); + logf (LOG_DEBUG, "Regexp-1 tolerance=%d", r); + r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, + &max_pos, 0, grep_handle); + if (r) + logf (LOG_WARN, "dict_lookup_grep err, trunc=regular: %d", + r); + break; + case 103: /* Regexp-2 */ + r = 1; + term_dict[j++] = '('; + if (!term_103 (zh->zebra_maps, reg_type, + &termp, term_dict + j, &r, space_split, term_dst)) + return 0; + strcat (term_dict, ")"); + logf (LOG_DEBUG, "Regexp-2 tolerance=%d", r); + r = dict_lookup_grep (zh->dict, term_dict, r, grep_info, + &max_pos, 2, grep_handle); + if (r) + logf (LOG_WARN, "dict_lookup_grep err, trunc=eregular: %d", + r); + break; } } *term_sub = termp; @@ -1204,7 +1357,7 @@ static RSET rpn_search_APT_phrase (ZebraHandle zh, { logf (LOG_DEBUG, "APT_phrase termp=%s", termp); grep_info.isam_p_indx = 0; - r = field_term (zh, zapt, &termp, attributeSet, &grep_info, + r = string_term (zh, zapt, &termp, attributeSet, &grep_info, reg_type, complete_flag, num_bases, basenames, term_dst); if (r < 1) @@ -1262,7 +1415,7 @@ static RSET rpn_search_APT_or_list (ZebraHandle zh, { logf (LOG_DEBUG, "APT_or_list termp=%s", termp); grep_info.isam_p_indx = 0; - r = field_term (zh, zapt, &termp, attributeSet, &grep_info, + r = string_term (zh, zapt, &termp, attributeSet, &grep_info, reg_type, complete_flag, num_bases, basenames, term_dst); if (r < 1) @@ -1326,7 +1479,7 @@ static RSET rpn_search_APT_and_list (ZebraHandle zh, { logf (LOG_DEBUG, "APT_and_list termp=%s", termp); grep_info.isam_p_indx = 0; - r = field_term (zh, zapt, &termp, attributeSet, &grep_info, + r = string_term (zh, zapt, &termp, attributeSet, &grep_info, reg_type, complete_flag, num_bases, basenames, term_dst); if (r < 1) @@ -1364,6 +1517,214 @@ static RSET rpn_search_APT_and_list (ZebraHandle zh, return result; } +static int numeric_relation (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + const char **term_sub, + char *term_dict, + oid_value attributeSet, + struct grep_info *grep_info, + int *max_pos, + int reg_type, + char *term_dst) +{ + AttrType relation; + int relation_value; + int term_value; + int r; + char *term_tmp = term_dict + strlen(term_dict); + + attr_init (&relation, zapt, 2); + relation_value = attr_find (&relation, NULL); + + logf (LOG_DEBUG, "numeric relation value=%d", relation_value); + + if (!term_100 (zh->zebra_maps, reg_type, term_sub, term_tmp, 1, + term_dst)) + return 0; + term_value = atoi (term_tmp); + switch (relation_value) + { + case 1: + logf (LOG_DEBUG, "Relation <"); + gen_regular_rel (term_tmp, term_value-1, 1); + break; + case 2: + logf (LOG_DEBUG, "Relation <="); + gen_regular_rel (term_tmp, term_value, 1); + break; + case 4: + logf (LOG_DEBUG, "Relation >="); + gen_regular_rel (term_tmp, term_value, 0); + break; + case 5: + logf (LOG_DEBUG, "Relation >"); + gen_regular_rel (term_tmp, term_value+1, 0); + break; + case 3: + default: + logf (LOG_DEBUG, "Relation ="); + sprintf (term_tmp, "(0*%d)", term_value); + } + logf (LOG_DEBUG, "dict_lookup_grep: %s", term_tmp); + r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info, max_pos, + 0, grep_handle); + if (r) + logf (LOG_WARN, "dict_lookup_grep fail, rel=gt: %d", r); + logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx); + return 1; +} + +static int numeric_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + const char **term_sub, + oid_value attributeSet, struct grep_info *grep_info, + int reg_type, int complete_flag, + int num_bases, char **basenames, + char *term_dst) +{ + char term_dict[2*IT_MAX_WORD+2]; + int r, base_no; + AttrType use; + int use_value; + oid_value curAttributeSet = attributeSet; + const char *termp; + struct rpn_char_map_info rcmi; + + rpn_char_map_prepare (zh, reg_type, &rcmi); + attr_init (&use, zapt, 1); + use_value = attr_find (&use, &curAttributeSet); + logf (LOG_DEBUG, "numeric_term, use value %d", use_value); + + if (use_value == -1) + use_value = 1016; + + for (base_no = 0; base_no < num_bases; base_no++) + { + attent attp; + data1_local_attribute *local_attr; + int max_pos, prefix_len = 0; + + termp = *term_sub; + if ((r=att_getentbyatt (zh, &attp, curAttributeSet, use_value))) + { + logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d r=%d", + curAttributeSet, use_value, r); + if (r == -1) + zh->errCode = 114; + else + zh->errCode = 121; + return -1; + } + if (zebraExplain_curDatabase (zh->zei, basenames[base_no])) + { + zh->errCode = 109; /* Database unavailable */ + zh->errString = basenames[base_no]; + return -1; + } + for (local_attr = attp.local_attributes; local_attr; + local_attr = local_attr->next) + { + int ord; + char ord_buf[32]; + int i, ord_len; + + ord = zebraExplain_lookupSU (zh->zei, attp.attset_ordinal, + local_attr->local); + if (ord < 0) + continue; + if (prefix_len) + term_dict[prefix_len++] = '|'; + else + term_dict[prefix_len++] = '('; + + ord_len = key_SU_code (ord, ord_buf); + for (i = 0; ierrCode = 114; + return -1; + } + term_dict[prefix_len++] = ')'; + term_dict[prefix_len++] = 1; + term_dict[prefix_len++] = reg_type; + logf (LOG_DEBUG, "reg_type = %d", term_dict[prefix_len-1]); + term_dict[prefix_len] = '\0'; + if (!numeric_relation (zh, zapt, &termp, term_dict, + attributeSet, grep_info, &max_pos, reg_type, + term_dst)) + return 0; + } + *term_sub = termp; + logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx); + return 1; +} + +static RSET rpn_search_APT_numeric (ZebraHandle zh, + Z_AttributesPlusTerm *zapt, + const char *termz, + oid_value attributeSet, + int reg_type, int complete_flag, + const char *rank_type, + int num_bases, char **basenames) +{ + char term_dst[IT_MAX_WORD+1]; + const char *termp = termz; + RSET rset[60], result; + int i, r, rset_no = 0; + struct grep_info grep_info; + +#ifdef TERM_COUNT + grep_info.term_no = 0; +#endif + grep_info.isam_p_size = 0; + grep_info.isam_p_buf = NULL; + grep_info.zh = zh; + grep_info.reg_type = reg_type; + + while (1) + { + logf (LOG_DEBUG, "APT_numeric termp=%s", termp); + grep_info.isam_p_indx = 0; + r = numeric_term (zh, zapt, &termp, attributeSet, &grep_info, + reg_type, complete_flag, num_bases, basenames, + term_dst); + if (r < 1) + break; + logf (LOG_DEBUG, "term: %s", term_dst); + rset[rset_no] = rset_trunc (zh, grep_info.isam_p_buf, + grep_info.isam_p_indx, term_dst, + strlen(term_dst), rank_type); + assert (rset[rset_no]); + if (++rset_no >= sizeof(rset)/sizeof(*rset)) + break; + } +#ifdef TERM_COUNT + xfree(grep_info.term_no); +#endif + xfree (grep_info.isam_p_buf); + if (rset_no == 0) + { + rset_null_parms parms; + + parms.rset_term = rset_term_create (term_dst, -1, rank_type); + return rset_create (rset_kind_null, &parms); + } + result = rset[0]; + for (i = 1; ispecs) + { + sort_sequence->num_specs = 10; + sort_sequence->specs = odr_malloc (stream, sort_sequence->num_specs * + sizeof(*sort_sequence->specs)); + for (i = 0; inum_specs; i++) + sort_sequence->specs[i] = 0; + } + if (zapt->term->which != Z_Term_general) + i = 0; + else + i = atoi_n (zapt->term->u.general->buf, zapt->term->u.general->len); + if (i >= sort_sequence->num_specs) + i = 0; + + oe.proto = PROTO_Z3950; + oe.oclass = CLASS_ATTSET; + oe.value = attributeSet; + if (!oid_ent_to_oid (&oe, oid)) + return 0; + + sks = odr_malloc (stream, sizeof(*sks)); + sks->sortElement = odr_malloc (stream, sizeof(*sks->sortElement)); + sks->sortElement->which = Z_SortElement_generic; + sk = sks->sortElement->u.generic = odr_malloc (stream, sizeof(*sk)); + sk->which = Z_SortKey_sortAttributes; + sk->u.sortAttributes = odr_malloc (stream, sizeof(*sk->u.sortAttributes)); + + sk->u.sortAttributes->id = oid; + sk->u.sortAttributes->list = + odr_malloc (stream, sizeof(*sk->u.sortAttributes->list)); + sk->u.sortAttributes->list->num_attributes = 1; + sk->u.sortAttributes->list->attributes = + odr_malloc (stream, sizeof(*sk->u.sortAttributes->list->attributes)); + ae = *sk->u.sortAttributes->list->attributes = + odr_malloc (stream, sizeof(**sk->u.sortAttributes->list->attributes)); + ae->attributeSet = 0; + ae->attributeType = odr_malloc (stream, sizeof(*ae->attributeType)); + *ae->attributeType = 1; + ae->which = Z_AttributeValue_numeric; + ae->value.numeric = odr_malloc (stream, sizeof(*ae->value.numeric)); + *ae->value.numeric = use_value; + + sks->sortRelation = odr_malloc (stream, sizeof(*sks->sortRelation)); + if (sort_relation_value == 1) + *sks->sortRelation = Z_SortRelation_ascending; + else if (sort_relation_value == 2) + *sks->sortRelation = Z_SortRelation_descending; + else + *sks->sortRelation = Z_SortRelation_ascending; + + sks->caseSensitivity = odr_malloc (stream, sizeof(*sks->caseSensitivity)); + *sks->caseSensitivity = 0; + + sks->missingValueAction = 0; + + sort_sequence->specs[i] = sks; + + parms.rset_term = rset_term_create ("", -1, rank_type); + return rset_create (rset_kind_null, &parms); +} + + static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - oid_value attributeSet, + oid_value attributeSet, ODR stream, + Z_SortKeySpecList *sort_sequence, int num_bases, char **basenames) { unsigned reg_id; char *search_type = NULL; char *rank_type = NULL; int complete_flag; + int sort_flag; char termz[IT_MAX_WORD+1]; zebra_maps_attr (zh->zebra_maps, zapt, ®_id, &search_type, - &rank_type, &complete_flag); + &rank_type, &complete_flag, &sort_flag); logf (LOG_DEBUG, "reg_id=%c", reg_id); logf (LOG_DEBUG, "complete_flag=%d", complete_flag); @@ -1415,6 +1864,10 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, } trans_term (zh, zapt, termz); + if (sort_flag) + return rpn_sort_spec (zh, zapt, attributeSet, stream, sort_sequence, + rank_type); + if (!strcmp (search_type, "phrase")) { return rpn_search_APT_phrase (zh, zapt, termz, attributeSet, @@ -1438,12 +1891,19 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, return rpn_search_APT_local (zh, zapt, termz, attributeSet, rank_type); } + else if (!strcmp (search_type, "numeric")) + { + return rpn_search_APT_numeric (zh, zapt, termz, attributeSet, + reg_id, complete_flag, rank_type, + num_bases, basenames); + } zh->errCode = 118; return NULL; } static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, oid_value attributeSet, ODR stream, + Z_SortKeySpecList *sort_sequence, int num_bases, char **basenames) { RSET r = NULL; @@ -1454,11 +1914,13 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, bool_parms.rset_l = rpn_search_structure (zh, zs->u.complex->s1, attributeSet, stream, + sort_sequence, num_bases, basenames); if (bool_parms.rset_l == NULL) return NULL; bool_parms.rset_r = rpn_search_structure (zh, zs->u.complex->s2, attributeSet, stream, + sort_sequence, num_bases, basenames); if (bool_parms.rset_r == NULL) { @@ -1531,7 +1993,8 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, { logf (LOG_DEBUG, "rpn_search_APT"); r = rpn_search_APT (zh, zs->u.simple->u.attributesPlusTerm, - attributeSet, num_bases, basenames); + attributeSet, stream, sort_sequence, + num_bases, basenames); } else if (zs->u.simple->which == Z_Operand_resultSetId) { @@ -1554,13 +2017,15 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, return r; } -void rpn_search (ZebraHandle zh, ODR stream, +void rpn_search (ZebraHandle zh, ODR stream, ODR decode, Z_RPNQuery *rpn, int num_bases, char **basenames, const char *setname) { RSET rset; oident *attrset; oid_value attributeSet; + Z_SortKeySpecList *sort_sequence; + int sort_status, i; zlog_rpn (rpn); @@ -1568,9 +2033,17 @@ void rpn_search (ZebraHandle zh, ODR stream, zh->errString = NULL; zh->hits = 0; + sort_sequence = odr_malloc (stream, sizeof(*sort_sequence)); + sort_sequence->num_specs = 10; + sort_sequence->specs = odr_malloc (stream, sort_sequence->num_specs * + sizeof(*sort_sequence->specs)); + for (i = 0; inum_specs; i++) + sort_sequence->specs[i] = 0; + attrset = oid_getentbyoid (rpn->attributeSetId); attributeSet = attrset->value; rset = rpn_search_structure (zh, rpn->RPNStructure, attributeSet, stream, + sort_sequence, num_bases, basenames); if (!rset) return; @@ -1578,6 +2051,13 @@ void rpn_search (ZebraHandle zh, ODR stream, resultSetAdd (zh, setname, 1, rset, &zh->hits); if (zh->errCode) logf (LOG_DEBUG, "search error: %d", zh->errCode); + + for (i = 0; sort_sequence->specs[i]; i++) + ; + sort_sequence->num_specs = i; + if (i) + resultSetSort (zh, stream, 1, &setname, setname, sort_sequence, + &sort_status); } struct scan_info_entry { @@ -1613,9 +2093,9 @@ static int scan_handle (char *name, const char *info, int pos, void *client) } static void scan_term_untrans (ZebraHandle zh, ODR stream, int reg_type, - char **dstp, const char *src) + char **dst, const char *src) { - char term_dst[1024], **dst; + char term_dst[1024]; term_untrans (zh, reg_type, term_dst, src); @@ -1672,6 +2152,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, char *search_type = NULL; char *rank_type = NULL; int complete_flag; + int sort_flag; if (attributeset == VAL_NONE) attributeset = VAL_BIB1; @@ -1683,7 +2164,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, use_value = attr_find (&use, &attributeset); if (zebra_maps_attr (zh->zebra_maps, zapt, ®_id, &search_type, - &rank_type, &complete_flag)) + &rank_type, &complete_flag, &sort_flag)) { zh->errCode = 113; return ; @@ -1728,6 +2209,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, zh->errCode = 113; return; } + /* prepare dictionary scanning */ before = pos-1; after = 1+num-pos; scan_info_array = odr_malloc (stream, ord_no * sizeof(*scan_info_array)); @@ -1748,7 +2230,8 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, sizeof(*scan_info->list)); for (j = 0; jlist[j].term = NULL; - termz[prefix_len++] = ords[i]; + + prefix_len += key_SU_code (ords[i], termz + prefix_len); termz[prefix_len++] = reg_id; termz[prefix_len] = 0; strcpy (scan_info->prefix, termz); @@ -1759,6 +2242,8 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, scan_handle); } glist = odr_malloc (stream, (before+after)*sizeof(*glist)); + + /* consider terms after main term */ for (i = 0; i < ord_no; i++) ptr[i] = before; @@ -1822,6 +2307,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, *is_partial = 1; } + /* consider terms before main term */ for (i = 0; i