X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzrpn.c;h=a1eb701e2e06e63b5bc363383ea9b49123a8ef19;hb=732e272a6d35533ccc89f4ccab0ea8069097b8a1;hp=78f61803ff74713094ad87292a241e024f7003f3;hpb=15ded665c8ca37e3c7a99ce48c2e78acdb727bd6;p=idzebra-moved-to-github.git diff --git a/index/zrpn.c b/index/zrpn.c index 78f6180..a1eb701 100644 --- a/index/zrpn.c +++ b/index/zrpn.c @@ -1,10 +1,26 @@ -/* - * Copyright (C) 1995-2002, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Id: zrpn.c,v 1.115 2002-04-13 18:16:43 adam Exp $ - */ +/* $Id: zrpn.c,v 1.132 2003-03-31 22:14:18 adam Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003 + Index Data Aps + +This file is part of the Zebra server. + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ + + #include #include #ifdef WIN32 @@ -15,6 +31,7 @@ #include #include "index.h" +#include #include #include @@ -27,10 +44,31 @@ struct rpn_char_map_info { int reg_type; }; +typedef struct { + int type; + int major; + int minor; + Z_AttributesPlusTerm *zapt; +} AttrType; + + static const char **rpn_char_map_handler (void *vp, const char **from, int len) { struct rpn_char_map_info *p = (struct rpn_char_map_info *) vp; - return zebra_maps_input (p->zm, p->reg_type, from, len); + const char **out = zebra_maps_input (p->zm, p->reg_type, from, len); +#if 0 + if (out && *out) + { + const char *outp = *out; + yaz_log (LOG_LOG, "---"); + while (*outp) + { + yaz_log (LOG_LOG, "%02X", *outp); + outp++; + } + } +#endif + return out; } static void rpn_char_map_prepare (struct zebra_register *reg, int reg_type, @@ -41,32 +79,17 @@ static void rpn_char_map_prepare (struct zebra_register *reg, int reg_type, dict_grep_cmap (reg->dict, map_info, rpn_char_map_handler); } -typedef struct { - int type; - int major; - int minor; - Z_AttributesPlusTerm *zapt; -} AttrType; - static int attr_find_ex (AttrType *src, oid_value *attributeSetP, const char **string_value) { int num_attributes; -#ifdef ASN_COMPILED num_attributes = src->zapt->attributes->num_attributes; -#else - num_attributes = src->zapt->num_attributes; -#endif while (src->major < num_attributes) { Z_AttributeElement *element; -#ifdef ASN_COMPILED element = src->zapt->attributes->attributes[src->major]; -#else - element = src->zapt->attributeList[src->major]; -#endif if (src->type == *element->attributeType) { switch (element->which) @@ -151,17 +174,18 @@ struct grep_info { static void term_untrans (ZebraHandle zh, int reg_type, char *dst, const char *src) { + int len = 0; while (*src) { const char *cp = zebra_maps_output (zh->reg->zebra_maps, reg_type, &src); - if (!cp) - *dst++ = *src++; + if (!cp && len < IT_MAX_WORD-1) + dst[len++] = *src++; else - while (*cp) - *dst++ = *cp++; + while (*cp && len < IT_MAX_WORD-1) + dst[len++] = *cp++; } - *dst = '\0'; + dst[len] = '\0'; } static void add_isam_p (const char *name, const char *info, @@ -204,7 +228,7 @@ static void add_isam_p (const char *name, const char *info, { const char *db; int set, use; - char term_tmp[512]; + char term_tmp[IT_MAX_WORD]; int su_code = 0; int len = key_SU_decode (&su_code, name); @@ -250,6 +274,8 @@ static int term_pre (ZebraMaps zebra_maps, int reg_type, const char **src, return *s0; } +#define REGEX_CHARS " []()|.*+?!" + /* term_100: handle term, where trunc=none (no operators at all) */ static int term_100 (ZebraMaps zebra_maps, int reg_type, const char **src, char *dst, int space_split, @@ -287,7 +313,7 @@ static int term_100 (ZebraMaps zebra_maps, int reg_type, { /* reload last space */ while (space_start < space_end) { - if (!isalnum (*space_start) && *space_start != '-') + if (strchr (REGEX_CHARS, *space_start)) dst[i++] = '\\'; dst_term[j++] = *space_start; dst[i++] = *space_start++; @@ -299,7 +325,7 @@ static int term_100 (ZebraMaps zebra_maps, int reg_type, /* add non-space char */ while (s1 < s0) { - if (!isalnum (*s1) && *s1 != '-') + if (strchr(REGEX_CHARS, *s1)) dst[i++] = '\\'; dst_term[j++] = *s1; dst[i++] = *s1++; @@ -340,7 +366,7 @@ static int term_101 (ZebraMaps zebra_maps, int reg_type, break; while (s1 < s0) { - if (!isalnum (*s1)) + if (strchr(REGEX_CHARS, *s1)) dst[i++] = '\\'; dst_term[j++] = *s1; dst[i++] = *s1++; @@ -389,7 +415,7 @@ static int term_103 (ZebraMaps zebra_maps, int reg_type, const char **src, break; while (s1 < s0) { - if (!isalnum (*s1)) + if (strchr(REGEX_CHARS, *s1)) dst[i++] = '\\'; dst_term[j++] = *s1; dst[i++] = *s1++; @@ -421,18 +447,43 @@ static int term_104 (ZebraMaps zebra_maps, int reg_type, int i = 0; int j = 0; - if (!term_pre (zebra_maps, reg_type, src, "#!", "#!")) + if (!term_pre (zebra_maps, reg_type, src, "?*#", "?*#")) return 0; s0 = *src; while (*s0) { - if (*s0 == '#') + if (*s0 == '?') + { + dst_term[j++] = *s0++; + if (*s0 >= '0' && *s0 <= '9') + { + int limit = 0; + while (*s0 >= '0' && *s0 <= '9') + { + limit = limit * 10 + (*s0 - '0'); + dst_term[j++] = *s0++; + } + if (limit > 20) + limit = 20; + while (--limit >= 0) + { + dst[i++] = '.'; + dst[i++] = '?'; + } + } + else + { + dst[i++] = '.'; + dst[i++] = '*'; + } + } + else if (*s0 == '*') { dst[i++] = '.'; dst[i++] = '*'; dst_term[j++] = *s0++; } - else if (*s0 == '!') + else if (*s0 == '#') { dst[i++] = '.'; dst_term[j++] = *s0++; @@ -444,7 +495,7 @@ static int term_104 (ZebraMaps zebra_maps, int reg_type, break; while (s1 < s0) { - if (!isalnum (*s1)) + if (strchr(REGEX_CHARS, *s1)) dst[i++] = '\\'; dst_term[j++] = *s1; dst[i++] = *s1++; @@ -490,7 +541,7 @@ static int term_105 (ZebraMaps zebra_maps, int reg_type, break; while (s1 < s0) { - if (!isalnum (*s1)) + if (strchr(REGEX_CHARS, *s1)) dst[i++] = '\\'; dst_term[j++] = *s1; dst[i++] = *s1++; @@ -803,7 +854,7 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, struct grep_info *grep_info, int reg_type, int complete_flag, int num_bases, char **basenames, - char *term_dst); + char *term_dst, int xpath_use); static RSET term_trunc (ZebraHandle zh, Z_AttributesPlusTerm *zapt, const char **term_sub, @@ -812,19 +863,20 @@ static RSET term_trunc (ZebraHandle zh, Z_AttributesPlusTerm *zapt, int reg_type, int complete_flag, int num_bases, char **basenames, char *term_dst, - const char *rank_type) + const char *rank_type, int xpath_use) { int r; grep_info->isam_p_indx = 0; r = string_term (zh, zapt, term_sub, attributeSet, stream, grep_info, reg_type, complete_flag, num_bases, basenames, - term_dst); + term_dst, xpath_use); if (r < 1) return 0; logf (LOG_DEBUG, "term: %s", term_dst); return rset_trunc (zh, grep_info->isam_p_buf, grep_info->isam_p_indx, term_dst, - strlen(term_dst), rank_type, 1 /* preserve pos */); + strlen(term_dst), rank_type, 1 /* preserve pos */, + zapt->term->which); } @@ -834,7 +886,7 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, struct grep_info *grep_info, int reg_type, int complete_flag, int num_bases, char **basenames, - char *term_dst) + char *term_dst, int xpath_use) { char term_dict[2*IT_MAX_WORD+4000]; int j, r, base_no; @@ -858,9 +910,6 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, if (use_value == -1) /* no attribute - assumy "any" */ use_value = 1016; - if (use_value == -2) /* string attribute - assumy "any" */ - use_value = 1016; - for (base_no = 0; base_no < num_bases; base_no++) { attent attp; @@ -876,10 +925,18 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, zh->errString = basenames[base_no]; return -1; } - if (curAttributeSet == VAL_IDXPATH) + if (use_value == -2) /* string attribute (assume IDXPATH/any) */ { + use_value = xpath_use; attp.local_attributes = &id_xpath_attr; - attp.attset_ordinal = curAttributeSet; + attp.attset_ordinal = VAL_IDXPATH; + id_xpath_attr.next = 0; + id_xpath_attr.local = use_value; + } + else if (curAttributeSet == VAL_IDXPATH) + { + attp.local_attributes = &id_xpath_attr; + attp.attset_ordinal = VAL_IDXPATH; id_xpath_attr.next = 0; id_xpath_attr.local = use_value; } @@ -891,6 +948,7 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, curAttributeSet, use_value, r); if (r == -1) { + /* set was found, but value wasn't defined */ char val_str[32]; sprintf (val_str, "%d", use_value); zh->errCode = 114; @@ -957,11 +1015,11 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, attributeSet, reg_type, space_split, term_dst)) return 0; - logf (LOG_DEBUG, "dict_lookup_grep: %s", term_dict+prefix_len); + logf (LOG_LOG, "dict_lookup_grep: %s", term_dict+prefix_len); r = dict_lookup_grep (zh->reg->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_WARN, "dict_lookup_grep fail %d", r); break; case 1: /* right truncation */ term_dict[j++] = '('; @@ -1070,47 +1128,94 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, return 1; } -static void trans_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - char *termz) + +/* convert APT search term to UTF8 */ +static int zapt_term_to_utf8 (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + char *termz) { size_t sizez; Z_Term *term = zapt->term; - sizez = term->u.general->len; - if (sizez > IT_MAX_WORD-1) - sizez = IT_MAX_WORD-1; - memcpy (termz, term->u.general->buf, sizez); - termz[sizez] = '\0'; + switch (term->which) + { + case Z_Term_general: + if (zh->iconv_to_utf8 != 0) + { + char *inbuf = term->u.general->buf; + size_t inleft = term->u.general->len; + char *outbuf = termz; + size_t outleft = IT_MAX_WORD-1; + size_t ret; + + ret = yaz_iconv(zh->iconv_to_utf8, &inbuf, &inleft, + &outbuf, &outleft); + if (ret == (size_t)(-1)) + { + ret = yaz_iconv(zh->iconv_to_utf8, 0, 0, 0, 0); + zh->errCode = 125; + return -1; + } + *outbuf = 0; + } + else + { + sizez = term->u.general->len; + if (sizez > IT_MAX_WORD-1) + sizez = IT_MAX_WORD-1; + memcpy (termz, term->u.general->buf, sizez); + termz[sizez] = '\0'; + } + break; + case Z_Term_characterString: + sizez = strlen(term->u.characterString); + if (sizez > IT_MAX_WORD-1) + sizez = IT_MAX_WORD-1; + memcpy (termz, term->u.characterString, sizez); + termz[sizez] = '\0'; + break; + default: + zh->errCode = 124; + return -1; + } + return 0; } -static void trans_scan_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - char *termz, int reg_type) +/* convert APT SCAN term to internal cmap */ +static int trans_scan_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, + char *termz, int reg_type) { - Z_Term *term = zapt->term; - const char **map; - const char *cp = (const char *) term->u.general->buf; - const char *cp_end = cp + term->u.general->len; - const char *src; - int i = 0; - const char *space_map = NULL; - int len; - - while ((len = (cp_end - cp)) > 0) + char termz0[IT_MAX_WORD]; + + if (zapt_term_to_utf8(zh, zapt, termz0)) + return -1; /* error */ + else { - map = zebra_maps_input (zh->reg->zebra_maps, reg_type, &cp, len); - if (**map == *CHR_SPACE) - space_map = *map; - else + const char **map; + const char *cp = (const char *) termz0; + const char *cp_end = cp + strlen(cp); + const char *src; + int i = 0; + const char *space_map = NULL; + int len; + + while ((len = (cp_end - cp)) > 0) { - if (i && space_map) - for (src = space_map; *src; src++) + map = zebra_maps_input (zh->reg->zebra_maps, reg_type, &cp, len); + if (**map == *CHR_SPACE) + space_map = *map; + else + { + if (i && space_map) + for (src = space_map; *src; src++) + termz[i++] = *src; + space_map = NULL; + for (src = *map; *src; src++) termz[i++] = *src; - space_map = NULL; - for (src = *map; *src; src++) - termz[i++] = *src; + } } + termz[i] = '\0'; } - termz[i] = '\0'; + return 0; } static RSET rpn_prox (ZebraHandle zh, RSET *rset, int rset_no, @@ -1125,6 +1230,7 @@ static RSET rpn_prox (ZebraHandle zh, RSET *rset, int rset_no, int length_prox_term = 0; int min_nn = 10000000; int term_index; + int term_type = Z_Term_characterString; const char *flags = NULL; rsfd = (RSFD *) xmalloc (sizeof(*rsfd)*rset_no); @@ -1150,6 +1256,12 @@ static RSET rpn_prox (ZebraHandle zh, RSET *rset, int rset_no, if (min_nn > rset[i]->rset_terms[j]->nn) min_nn = rset[i]->rset_terms[j]->nn; flags = nflags; + term_type = rset[i]->rset_terms[j]->type; + + /* only if all term types are of type characterString .. */ + /* the resulting term is of that type */ + if (term_type != Z_Term_characterString) + term_type = Z_Term_general; } } for (i = 0; inn = 0; result = rset_create (rset_kind_null, &parms); } @@ -1181,14 +1293,14 @@ static RSET rpn_prox (ZebraHandle zh, RSET *rset, int rset_no, RSFD rsfd_result; parms.rset_term = rset_term_create (prox_term, length_prox_term, - flags); + flags, term_type); parms.rset_term->nn = min_nn; parms.cmp = key_compare_it; parms.key_size = sizeof (struct it_key); parms.temp_path = res_get (zh->res, "setTmpDir"); result = rset_create (rset_kind_temp, &parms); rsfd_result = rset_open (result, RSETF_WRITE); - + while (*more) { for (i = 1; inn = min_nn; parms.cmp = key_compare_it; parms.key_size = sizeof (struct it_key); @@ -1320,7 +1433,7 @@ static RSET rpn_prox (ZebraHandle zh, RSET *rset, int rset_no, rset_null_parms parms; parms.rset_term = rset_term_create (prox_term, length_prox_term, - flags); + flags, term_type); parms.rset_term->nn = 0; result = rset_create (rset_kind_null, &parms); } @@ -1408,6 +1521,8 @@ static int grep_info_prepare (ZebraHandle zh, grep_info->reg_type = reg_type; grep_info->termset = 0; + if (!zapt) + return 0; attr_init (&termset, zapt, 8); termset_value_numeric = attr_find_ex (&termset, NULL, &termset_value_string); @@ -1442,7 +1557,7 @@ static RSET rpn_search_APT_phrase (ZebraHandle zh, oid_value attributeSet, NMEM stream, int reg_type, int complete_flag, - const char *rank_type, + const char *rank_type, int xpath_use, int num_bases, char **basenames) { char term_dst[IT_MAX_WORD+1]; @@ -1462,7 +1577,8 @@ static RSET rpn_search_APT_phrase (ZebraHandle zh, stream, &grep_info, reg_type, complete_flag, num_bases, basenames, - term_dst, rank_type); + term_dst, rank_type, + xpath_use); if (!rset[rset_no]) break; if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset))) @@ -1473,7 +1589,8 @@ static RSET rpn_search_APT_phrase (ZebraHandle zh, { rset_null_parms parms; - parms.rset_term = rset_term_create (termz, -1, rank_type); + parms.rset_term = rset_term_create (termz, -1, rank_type, + zapt->term->which); return rset_create (rset_kind_null, &parms); } else if (rset_no == 1) @@ -1491,6 +1608,7 @@ static RSET rpn_search_APT_or_list (ZebraHandle zh, NMEM stream, int reg_type, int complete_flag, const char *rank_type, + int xpath_use, int num_bases, char **basenames) { char term_dst[IT_MAX_WORD+1]; @@ -1509,7 +1627,8 @@ static RSET rpn_search_APT_or_list (ZebraHandle zh, stream, &grep_info, reg_type, complete_flag, num_bases, basenames, - term_dst, rank_type); + term_dst, rank_type, + xpath_use); if (!rset[rset_no]) break; if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset))) @@ -1520,7 +1639,8 @@ static RSET rpn_search_APT_or_list (ZebraHandle zh, { rset_null_parms parms; - parms.rset_term = rset_term_create (termz, -1, rank_type); + parms.rset_term = rset_term_create (termz, -1, rank_type, + zapt->term->which); return rset_create (rset_kind_null, &parms); } result = rset[0]; @@ -1543,7 +1663,8 @@ static RSET rpn_search_APT_and_list (ZebraHandle zh, oid_value attributeSet, NMEM stream, int reg_type, int complete_flag, - const char *rank_type, + const char *rank_type, + int xpath_use, int num_bases, char **basenames) { char term_dst[IT_MAX_WORD+1]; @@ -1562,7 +1683,8 @@ static RSET rpn_search_APT_and_list (ZebraHandle zh, stream, &grep_info, reg_type, complete_flag, num_bases, basenames, - term_dst, rank_type); + term_dst, rank_type, + xpath_use); if (!rset[rset_no]) break; assert (rset[rset_no]); @@ -1574,7 +1696,8 @@ static RSET rpn_search_APT_and_list (ZebraHandle zh, { rset_null_parms parms; - parms.rset_term = rset_term_create (termz, -1, rank_type); + parms.rset_term = rset_term_create (termz, -1, rank_type, + zapt->term->which); return rset_create (rset_kind_null, &parms); } result = rset[0]; @@ -1652,20 +1775,20 @@ static int numeric_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, oid_value attributeSet, struct grep_info *grep_info, int reg_type, int complete_flag, int num_bases, char **basenames, - char *term_dst) + char *term_dst, int xpath_use, NMEM stream) { char term_dict[2*IT_MAX_WORD+2]; int r, base_no; AttrType use; int use_value; + const char *use_string = 0; oid_value curAttributeSet = attributeSet; const char *termp; struct rpn_char_map_info rcmi; rpn_char_map_prepare (zh->reg, reg_type, &rcmi); attr_init (&use, zapt, 1); - use_value = attr_find (&use, &curAttributeSet); - logf (LOG_DEBUG, "numeric_term, use value %d", use_value); + use_value = attr_find_ex (&use, &curAttributeSet, &use_string); if (use_value == -1) use_value = 1016; @@ -1673,19 +1796,43 @@ static int numeric_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, for (base_no = 0; base_no < num_bases; base_no++) { attent attp; + data1_local_attribute id_xpath_attr; data1_local_attribute *local_attr; int max_pos, prefix_len = 0; termp = *term_sub; - if ((r=att_getentbyatt (zh, &attp, curAttributeSet, use_value))) + if (use_value == -2) /* string attribute (assume IDXPATH/any) */ { - 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; + use_value = xpath_use; + attp.local_attributes = &id_xpath_attr; + attp.attset_ordinal = VAL_IDXPATH; + id_xpath_attr.next = 0; + id_xpath_attr.local = use_value; + } + else if (curAttributeSet == VAL_IDXPATH) + { + attp.local_attributes = &id_xpath_attr; + attp.attset_ordinal = VAL_IDXPATH; + id_xpath_attr.next = 0; + id_xpath_attr.local = use_value; + } + else + { + 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) + { + char val_str[32]; + sprintf (val_str, "%d", use_value); + zh->errString = nmem_strdup (stream, val_str); + zh->errCode = 114; + } + else + zh->errCode = 121; + return -1; + } } if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no])) { @@ -1718,7 +1865,10 @@ static int numeric_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt, } if (!prefix_len) { + char val_str[32]; + sprintf (val_str, "%d", use_value); zh->errCode = 114; + zh->errString = nmem_strdup (stream, val_str); return -1; } term_dict[prefix_len++] = ')'; @@ -1742,7 +1892,7 @@ static RSET rpn_search_APT_numeric (ZebraHandle zh, oid_value attributeSet, NMEM stream, int reg_type, int complete_flag, - const char *rank_type, + const char *rank_type, int xpath_use, int num_bases, char **basenames) { char term_dst[IT_MAX_WORD+1]; @@ -1759,14 +1909,16 @@ static RSET rpn_search_APT_numeric (ZebraHandle zh, grep_info.isam_p_indx = 0; r = numeric_term (zh, zapt, &termp, attributeSet, &grep_info, reg_type, complete_flag, num_bases, basenames, - term_dst); + term_dst, xpath_use, + stream); 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, - 0 /* preserve position */); + 0 /* preserve position */, + zapt->term->which); assert (rset[rset_no]); if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset))) break; @@ -1776,7 +1928,8 @@ static RSET rpn_search_APT_numeric (ZebraHandle zh, { rset_null_parms parms; - parms.rset_term = rset_term_create (term_dst, -1, rank_type); + parms.rset_term = rset_term_create (term_dst, -1, rank_type, + zapt->term->which); return rset_create (rset_kind_null, &parms); } result = rset[0]; @@ -1804,7 +1957,8 @@ static RSET rpn_search_APT_local (ZebraHandle zh, Z_AttributesPlusTerm *zapt, struct it_key key; rset_temp_parms parms; - parms.rset_term = rset_term_create (termz, -1, rank_type); + parms.rset_term = rset_term_create (termz, -1, rank_type, + zapt->term->which); parms.cmp = key_compare_it; parms.key_size = sizeof (struct it_key); parms.temp_path = res_get (zh->res, "setTmpDir"); @@ -1908,144 +2062,260 @@ static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt, nmem_malloc (stream, sizeof(*sks->caseSensitivity)); *sks->caseSensitivity = 0; -#ifdef ASN_COMPILED sks->which = Z_SortKeySpec_null; sks->u.null = odr_nullval (); -#else - sks->missingValueAction = 0; -#endif - sort_sequence->specs[i] = sks; - parms.rset_term = rset_term_create (termz, -1, rank_type); + parms.rset_term = rset_term_create (termz, -1, rank_type, + zapt->term->which); return rset_create (rset_kind_null, &parms); } -static RSET rpn_search_xpath (ZebraHandle zh, Z_AttributesPlusTerm *zapt, - oid_value attributeSet, - int num_bases, char **basenames, - NMEM stream, const char *rank_type, RSET rset) +/* pop - moved to xpath.c */ +#if 0 + +struct xpath_predicate { + int which; + union { +#define XPATH_PREDICATE_RELATION 1 + struct { + char *name; + char *op; + char *value; + } relation; +#define XPATH_PREDICATE_BOOLEAN 2 + struct { + const char *op; + struct xpath_predicate *left; + struct xpath_predicate *right; + } boolean; + } u; +}; + +struct xpath_location_step { + char *part; + struct xpath_predicate *predicate; +}; + +#endif + +static int parse_xpath(ZebraHandle zh, Z_AttributesPlusTerm *zapt, + oid_value attributeSet, + struct xpath_location_step *xpath, int max, NMEM mem) { + oid_value curAttributeSet = attributeSet; AttrType use; const char *use_string = 0; - oid_value curAttributeSet = attributeSet; - char term_dict[2048]; - int base_no; - int reg_type = '0'; - struct grep_info grep_info; - - yaz_log (LOG_LOG, "rpn_search_xpath 1"); + attr_init (&use, zapt, 1); attr_find_ex (&use, &curAttributeSet, &use_string); - if (curAttributeSet != VAL_IDXPATH) + if (!use_string || *use_string != '/') + return -1; + + return zebra_parse_xpath_str(use_string, xpath, max, mem); +} + + + +static RSET xpath_trunc(ZebraHandle zh, NMEM stream, + int reg_type, const char *term, int use, + oid_value curAttributeSet) +{ + RSET rset; + struct grep_info grep_info; + char term_dict[2048]; + char ord_buf[32]; + int prefix_len = 0; + int ord = zebraExplain_lookupSU (zh->reg->zei, curAttributeSet, use); + int ord_len, i, r, max_pos; + int term_type = Z_Term_characterString; + const char *flags = "void"; + + if (grep_info_prepare (zh, 0 /* zapt */, &grep_info, '0', stream)) { - yaz_log (LOG_LOG, "rpn_search_xpath - not 1"); - return rset; + rset_null_parms parms; + + parms.rset_term = rset_term_create (term, strlen(term), + flags, term_type); + parms.rset_term->nn = 0; + return rset_create (rset_kind_null, &parms); } - if (!use_string) + + if (ord < 0) { - yaz_log (LOG_LOG, "rpn_search_xpath - not 2"); + rset_null_parms parms; + + parms.rset_term = rset_term_create (term, strlen(term), + flags, term_type); + parms.rset_term->nn = 0; + return rset_create (rset_kind_null, &parms); + } + if (prefix_len) + term_dict[prefix_len++] = '|'; + else + term_dict[prefix_len++] = '('; + + ord_len = key_SU_encode (ord, ord_buf); + for (i = 0; ireg->dict, term_dict, 0, + &grep_info, &max_pos, 0, grep_handle); + yaz_log (LOG_LOG, "%s %d positions", term, + grep_info.isam_p_indx); + rset = rset_trunc (zh, grep_info.isam_p_buf, + grep_info.isam_p_indx, term, strlen(term), + flags, 1, term_type); + grep_info_delete (&grep_info); + return rset; +} + +static RSET rpn_search_xpath (ZebraHandle zh, + oid_value attributeSet, + int num_bases, char **basenames, + NMEM stream, const char *rank_type, RSET rset, + int xpath_len, struct xpath_location_step *xpath) +{ + oid_value curAttributeSet = attributeSet; + int base_no; + int i; + + if (xpath_len < 0) return rset; + + yaz_log (LOG_LOG, "len=%d", xpath_len); + for (i = 0; i a/.* + //a/b -> b/a/.* + /a -> a/ + /a/b -> b/a/ + + / -> none + + a[@attr=value]/b[@other=othervalue] + + /e/@a val range(e/,range(@a,freetext(w,1015,val),@a),e/) + /a/b val range(b/a/,freetext(w,1016,val),b/a/) + /a/b/@c val range(b/a/,range(@c,freetext(w,1016,val),@c),b/a/) + /a/b[@c=y] val range(b/a/,freetext(w,1016,val),b/a/,@c=y) + /a[@c=y]/b val range(a/,range(b/a/,freetext(w,1016,val),b/a/),a/,@c=y) + /a[@c=x]/b[@c=y] range(a/,range(b/a/,freetext(w,1016,val),b/a/,@c=y),a/,@c=x) + + */ + dict_grep_cmap (zh->reg->dict, 0, 0); - if (grep_info_prepare (zh, zapt, &grep_info, reg_type, stream)) - return 0; - yaz_log (LOG_LOG, "rpn_search_xpath 2"); for (base_no = 0; base_no < num_bases; base_no++) { - const char *termp = use_string; - rset_between_parms parms; - RSET rset_start_tag, rset_end_tag; - int ord, ord_len, i, r, max_pos; - int prefix_len ; - char ord_buf[32]; + int level = xpath_len; + int first_path = 1; + if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no])) { zh->errCode = 109; /* Database unavailable */ zh->errString = basenames[base_no]; return rset; } - - prefix_len = 0; - ord = zebraExplain_lookupSU (zh->reg->zei, curAttributeSet, 1); - if (ord < 0) - continue; - if (prefix_len) - term_dict[prefix_len++] = '|'; - else - term_dict[prefix_len++] = '('; - - ord_len = key_SU_encode (ord, ord_buf); - for (i = 0; ireg->dict, term_dict, 0, - &grep_info, &max_pos, 0, grep_handle); - yaz_log (LOG_LOG, "%s %d positions", use_string, - grep_info.isam_p_indx); - rset_start_tag = - rset_trunc (zh, grep_info.isam_p_buf, - grep_info.isam_p_indx, use_string, strlen(use_string), - rank_type, 1); - - prefix_len = 0; - ord = zebraExplain_lookupSU (zh->reg->zei, curAttributeSet, 2); - if (ord < 0) - continue; - if (prefix_len) - term_dict[prefix_len++] = '|'; - else - term_dict[prefix_len++] = '('; - - ord_len = key_SU_encode (ord, ord_buf); - for (i = 0; i= 0) { - term_dict[prefix_len++] = 1; - term_dict[prefix_len++] = ord_buf[i]; - } - term_dict[prefix_len++] = ')'; - term_dict[prefix_len++] = 1; - term_dict[prefix_len++] = reg_type; - - termp = use_string; - - strcpy (term_dict+prefix_len, use_string); - - grep_info.isam_p_indx = 0; - r = dict_lookup_grep (zh->reg->dict, term_dict, 0, - &grep_info, &max_pos, 0, grep_handle); + char xpath_rev[128]; + int i, len; + rset_between_parms parms; + RSET rset_start_tag = 0, rset_end_tag = 0, rset_attr = 0; + + *xpath_rev = 0; + len = 0; + for (i = level; i >= 1; --i) + { + const char *cp = xpath[i].part; + if (*cp) + { + for (;*cp; cp++) + if (*cp == '*') + { + memcpy (xpath_rev + len, "[^/]*", 5); + len += 5; + } + else if (*cp == ' ') + { + + xpath_rev[len++] = 1; + xpath_rev[len++] = ' '; + } + + else + xpath_rev[len++] = *cp; + xpath_rev[len++] = '/'; + } + else if (i == 1) /* // case */ + { + xpath_rev[len++] = '.'; + xpath_rev[len++] = '*'; + } + } + xpath_rev[len] = 0; - yaz_log (LOG_LOG, "%s %d positions", use_string, - grep_info.isam_p_indx); - rset_end_tag = - rset_trunc (zh, grep_info.isam_p_buf, - grep_info.isam_p_indx, use_string, strlen(use_string), - rank_type, 1); + if (xpath[level].predicate && + xpath[level].predicate->which == XPATH_PREDICATE_RELATION && + xpath[level].predicate->u.relation.name[0]) + { + char predicate_str[128]; - parms.key_size = sizeof(struct it_key); - parms.cmp = key_compare_it; - parms.rset_l = rset_start_tag; - parms.rset_m = rset; - parms.rset_r = rset_end_tag; - parms.printer = key_print_it; - yaz_log (LOG_LOG, "rpn_search_xpath 4"); - rset = rset_create (rset_kind_between, &parms); + strcpy (predicate_str, + xpath[level].predicate->u.relation.name+1); + if (xpath[level].predicate->u.relation.value) + { + strcat (predicate_str, "="); + strcat (predicate_str, + xpath[level].predicate->u.relation.value); + } + rset_attr = xpath_trunc ( + zh, stream, '0', predicate_str, 3, curAttributeSet); + } + else + { + if (!first_path) + continue; + } + yaz_log (LOG_LOG, "xpath_rev (%d) = %s", level, xpath_rev); + if (strlen(xpath_rev)) + { + rset_start_tag = xpath_trunc(zh, stream, + '0', xpath_rev, 1, curAttributeSet); + + rset_end_tag = xpath_trunc(zh, stream, + '0', xpath_rev, 2, curAttributeSet); + + parms.key_size = sizeof(struct it_key); + parms.cmp = key_compare_it; + parms.rset_l = rset_start_tag; + parms.rset_m = rset; + parms.rset_r = rset_end_tag; + parms.rset_attr = rset_attr; + parms.printer = key_print_it; + rset = rset_create (rset_kind_between, &parms); + } + first_path = 0; + } } - grep_info_delete (&grep_info); return rset; } @@ -2064,6 +2334,9 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, int sort_flag; char termz[IT_MAX_WORD+1]; RSET rset = 0; + int xpath_len; + int xpath_use = 0; + struct xpath_location_step xpath[10]; zebra_maps_attr (zh->reg->zebra_maps, zapt, ®_id, &search_type, rank_type, &complete_flag, &sort_flag); @@ -2073,33 +2346,39 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, logf (LOG_DEBUG, "search_type=%s", search_type); logf (LOG_DEBUG, "rank_type=%s", rank_type); - if (zapt->term->which != Z_Term_general) - { - zh->errCode = 124; - return NULL; - } - trans_term (zh, zapt, termz); + if (zapt_term_to_utf8(zh, zapt, termz)) + return 0; if (sort_flag) return rpn_sort_spec (zh, zapt, attributeSet, stream, sort_sequence, rank_type); + xpath_len = parse_xpath(zh, zapt, attributeSet, xpath, 10, stream); + if (xpath_len >= 0) + { + xpath_use = 1016; + if (xpath[xpath_len-1].part[0] == '@') + xpath_use = 1015; + } if (!strcmp (search_type, "phrase")) { rset = rpn_search_APT_phrase (zh, zapt, termz, attributeSet, stream, reg_id, complete_flag, rank_type, + xpath_use, num_bases, basenames); } else if (!strcmp (search_type, "and-list")) { rset = rpn_search_APT_and_list (zh, zapt, termz, attributeSet, stream, reg_id, complete_flag, rank_type, + xpath_use, num_bases, basenames); } else if (!strcmp (search_type, "or-list")) { rset = rpn_search_APT_or_list (zh, zapt, termz, attributeSet, stream, reg_id, complete_flag, rank_type, + xpath_use, num_bases, basenames); } else if (!strcmp (search_type, "local")) @@ -2111,12 +2390,17 @@ static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt, { rset = rpn_search_APT_numeric (zh, zapt, termz, attributeSet, stream, reg_id, complete_flag, rank_type, + xpath_use, num_bases, basenames); } + else if (!strcmp (search_type, "always")) + { + rset = 0; + } else zh->errCode = 118; - return rpn_search_xpath (zh, zapt, attributeSet, num_bases, basenames, - stream, rank_type, rset); + return rpn_search_xpath (zh, attributeSet, num_bases, basenames, + stream, rank_type, rset, xpath_len, xpath); } static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, @@ -2160,21 +2444,11 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, r = rset_create (rset_kind_not, &bool_parms); break; case Z_Operator_prox: -#ifdef ASN_COMPILED if (zop->u.prox->which != Z_ProximityOperator_known) { zh->errCode = 132; return NULL; } -#else - if (zop->u.prox->which != Z_ProxCode_known) - { - zh->errCode = 132; - return NULL; - } -#endif - -#ifdef ASN_COMPILED if (*zop->u.prox->u.known != Z_ProxUnit_word) { char *val = (char *) nmem_malloc (stream, 16); @@ -2183,16 +2457,6 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, sprintf (val, "%d", *zop->u.prox->u.known); return NULL; } -#else - if (*zop->u.prox->proximityUnitCode != Z_ProxUnit_word) - { - char *val = (char *) nmem_malloc (stream, 16); - zh->errCode = 132; - zh->errString = val; - sprintf (val, "%d", *zop->u.prox->proximityUnitCode); - return NULL; - } -#endif else { RSET rsets[2]; @@ -2236,6 +2500,8 @@ static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs, nmem_strdup (stream, zs->u.simple->u.resultSetId); return 0; } + else + rset_dup(r); } else { @@ -2338,12 +2604,33 @@ static int scan_handle (char *name, const char *info, int pos, void *client) static void scan_term_untrans (ZebraHandle zh, NMEM stream, int reg_type, char **dst, const char *src) { - char term_dst[1024]; + char term_src[IT_MAX_WORD]; + char term_dst[IT_MAX_WORD]; - term_untrans (zh, reg_type, term_dst, src); - - *dst = (char *) nmem_malloc (stream, strlen(term_dst)+1); - strcpy (*dst, term_dst); + term_untrans (zh, reg_type, term_src, src); + + if (zh->iconv_from_utf8 != 0) + { + int len; + char *inbuf = term_src; + size_t inleft = strlen(term_src); + char *outbuf = term_dst; + size_t outleft = sizeof(term_dst)-1; + size_t ret; + + ret = yaz_iconv (zh->iconv_from_utf8, &inbuf, &inleft, + &outbuf, &outleft); + if (ret == (size_t)(-1)) + len = 0; + else + len = outbuf - term_dst; + *dst = nmem_malloc (stream, len + 1); + if (len > 0) + memcpy (*dst, term_dst, len); + (*dst)[len] = '\0'; + } + else + *dst = nmem_strdup (stream, term_src); } static void count_set (RSET r, int *count) @@ -2375,7 +2662,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, oid_value attributeset, int num_bases, char **basenames, int *position, int *num_entries, ZebraScanEntry **list, - int *is_partial) + int *is_partial, RSET limit_set, int return_zero) { int i; int pos = *position; @@ -2396,11 +2683,38 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, char rank_type[128]; int complete_flag; int sort_flag; + *list = 0; if (attributeset == VAL_NONE) attributeset = VAL_BIB1; + if (!limit_set) + { + AttrType termset; + int termset_value_numeric; + const char *termset_value_string; + attr_init (&termset, zapt, 8); + termset_value_numeric = + attr_find_ex (&termset, NULL, &termset_value_string); + if (termset_value_numeric != -1) + { + char resname[32]; + const char *termset_name = 0; + + if (termset_value_numeric != -2) + { + + sprintf (resname, "%d", termset_value_numeric); + termset_name = resname; + } + else + termset_name = termset_value_string; + + limit_set = resultSetRef (zh, termset_name); + } + } + yaz_log (LOG_DEBUG, "position = %d, num = %d set=%d", pos, num, attributeset); @@ -2429,7 +2743,12 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d", attributeset, use_value); if (r == -1) - zh->errCode = 114; + { + char val_str[32]; + sprintf (val_str, "%d", use_value); + zh->errCode = 114; + zh->errString = odr_strdup (stream, val_str); + } else zh->errCode = 121; *num_entries = 0; @@ -2487,7 +2806,8 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, termz[prefix_len] = 0; strcpy (scan_info->prefix, termz); - trans_scan_term (zh, zapt, termz+prefix_len, reg_id); + if (trans_scan_term (zh, zapt, termz+prefix_len, reg_id)) + return ; dict_scan (zh->reg->dict, termz, &before_tmp, &after_tmp, scan_info, scan_handle); @@ -2523,7 +2843,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, &glist[i+before].term, mterm); rset = rset_trunc (zh, &scan_info_array[j0].list[ptr[j0]].isam_p, 1, glist[i+before].term, strlen(glist[i+before].term), - NULL, 0); + NULL, 0, zapt->term->which); ptr[j0]++; for (j = j0+1; jterm->which); bool_parms.key_size = sizeof(struct it_key); bool_parms.cmp = key_compare_it; @@ -2550,6 +2871,17 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, ptr[j]++; } } + if (limit_set) + { + rset_bool_parms bool_parms; + + bool_parms.key_size = sizeof(struct it_key); + bool_parms.cmp = key_compare_it; + bool_parms.rset_l = rset; + bool_parms.rset_r = rset_dup(limit_set); + + rset = rset_create (rset_kind_and, &bool_parms); + } count_set (rset, &glist[i+before].occurrences); rset_delete (rset); } @@ -2589,7 +2921,7 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, rset = rset_trunc (zh, &scan_info_array[j0].list[before-1-ptr[j0]].isam_p, 1, glist[before-1-i].term, strlen(glist[before-1-i].term), - NULL, 0); + NULL, 0, zapt->term->which); ptr[j0]++; @@ -2605,7 +2937,8 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, rset2 = rset_trunc (zh, &scan_info_array[j].list[before-1-ptr[j]].isam_p, 1, glist[before-1-i].term, - strlen(glist[before-1-i].term), NULL, 0); + strlen(glist[before-1-i].term), NULL, 0, + zapt->term->which); bool_parms.key_size = sizeof(struct it_key); bool_parms.cmp = key_compare_it; @@ -2617,6 +2950,17 @@ void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, ptr[j]++; } } + if (limit_set) + { + rset_bool_parms bool_parms; + + bool_parms.key_size = sizeof(struct it_key); + bool_parms.cmp = key_compare_it; + bool_parms.rset_l = rset; + bool_parms.rset_r = rset_dup(limit_set); + + rset = rset_create (rset_kind_and, &bool_parms); + } count_set (rset, &glist[before-1-i].occurrences); rset_delete (rset); }