X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fpquery.c;h=23d7b64e03e1a2cdbd000bed86849420a5ac1fc1;hp=9ee358481ee9b94552ab06f35bbf898be5bb56a9;hb=ee6ab2ee3a9ee1a8c65d7272ec7fba1d886f5af0;hpb=4580363540605bea68d5b63de38b480d3d44ca81 diff --git a/src/pquery.c b/src/pquery.c index 9ee3584..23d7b64 100644 --- a/src/pquery.c +++ b/src/pquery.c @@ -1,8 +1,6 @@ -/* - * Copyright (C) 1995-2005, Index Data ApS +/* This file is part of the YAZ toolkit. + * Copyright (C) 1995-2008 Index Data * See the file LICENSE for details. - * - * $Id: pquery.c,v 1.7 2006-02-19 18:34:13 adam Exp $ */ /** * \file pquery.c @@ -14,11 +12,9 @@ #include #include -#include +#include #include -static oid_value p_query_dfset = VAL_NONE; - struct yaz_pqf_parser { const char *query_buf; const char *query_ptr; @@ -33,27 +29,24 @@ struct yaz_pqf_parser { int error; }; -static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, - oid_proto, - int num_attr, int max_attr, - int *attr_list, char **attr_clist, - oid_value *attr_set); +static Z_RPNStructure *rpn_structure(struct yaz_pqf_parser *li, ODR o, + int num_attr, int max_attr, + int *attr_list, char **attr_clist, + Odr_oid **attr_set); -static enum oid_value query_oid_getvalbyname (struct yaz_pqf_parser *li) +static Odr_oid *query_oid_getvalbyname(struct yaz_pqf_parser *li, ODR o) { - enum oid_value value; char buf[32]; - if (li->lex_len > 31) - return VAL_NONE; + if (li->lex_len >= sizeof(buf)-1) + return 0; memcpy (buf, li->lex_buf, li->lex_len); buf[li->lex_len] = '\0'; - value = oid_getvalbyname (buf); - return value; + return yaz_string_to_oid_odr(yaz_oid_std(), CLASS_ATTSET, buf, o); } -static int compare_term (struct yaz_pqf_parser *li, const char *src, - size_t off) +static int compare_term(struct yaz_pqf_parser *li, const char *src, + size_t off) { size_t len=strlen(src); @@ -62,7 +55,7 @@ static int compare_term (struct yaz_pqf_parser *li, const char *src, return 0; } -static int query_token (struct yaz_pqf_parser *li) +static int query_token(struct yaz_pqf_parser *li) { int sep_char = ' '; const char *sep_match; @@ -121,9 +114,9 @@ static int query_token (struct yaz_pqf_parser *li) return 't'; } -static int lex (struct yaz_pqf_parser *li) +static int lex(struct yaz_pqf_parser *li) { - return li->query_look = query_token (li); + return li->query_look = query_token(li); } static int escape_string(char *out_buf, const char *in, int len) @@ -191,14 +184,15 @@ static int escape_string(char *out_buf, const char *in, int len) static int p_query_parse_attr(struct yaz_pqf_parser *li, ODR o, int num_attr, int *attr_list, - char **attr_clist, oid_value *attr_set) + char **attr_clist, Odr_oid **attr_set) { const char *cp; + if (!(cp = strchr (li->lex_buf, '=')) || (size_t) (cp-li->lex_buf) > li->lex_len) { - attr_set[num_attr] = query_oid_getvalbyname (li); - if (attr_set[num_attr] == VAL_NONE) + attr_set[num_attr] = query_oid_getvalbyname (li, o); + if (attr_set[num_attr] == 0) { li->error = YAZ_PQF_ERROR_ATTSET; return 0; @@ -219,10 +213,15 @@ static int p_query_parse_attr(struct yaz_pqf_parser *li, ODR o, if (num_attr > 0) attr_set[num_attr] = attr_set[num_attr-1]; else - attr_set[num_attr] = VAL_NONE; + attr_set[num_attr] = 0; + } + if (*li->lex_buf < '0' || *li->lex_buf > '9') + { + li->error = YAZ_PQF_ERROR_BAD_INTEGER; + return 0; } attr_list[2*num_attr] = atoi(li->lex_buf); - cp++; + cp++; if (*cp >= '0' && *cp <= '9') { attr_list[2*num_attr+1] = atoi (cp); @@ -239,10 +238,9 @@ static int p_query_parse_attr(struct yaz_pqf_parser *li, ODR o, return 1; } -static Z_AttributesPlusTerm *rpn_term (struct yaz_pqf_parser *li, ODR o, - oid_proto proto, - int num_attr, int *attr_list, - char **attr_clist, oid_value *attr_set) +static Z_AttributesPlusTerm *rpn_term(struct yaz_pqf_parser *li, ODR o, + int num_attr, int *attr_list, + char **attr_clist, Odr_oid **attr_set) { Z_AttributesPlusTerm *zapt; Odr_oct *term_octet; @@ -276,8 +274,7 @@ static Z_AttributesPlusTerm *rpn_term (struct yaz_pqf_parser *li, ODR o, elements[k] = (Z_AttributeElement*)odr_malloc (o,sizeof(**elements)); elements[k]->attributeType = &attr_tmp[2*i]; - elements[k]->attributeSet = - yaz_oidval_to_z3950oid(o, CLASS_ATTSET, attr_set[i]); + elements[k]->attributeSet = attr_set[i]; if (attr_clist[i]) { @@ -351,9 +348,9 @@ static Z_AttributesPlusTerm *rpn_term (struct yaz_pqf_parser *li, ODR o, return zapt; } -static Z_Operand *rpn_simple (struct yaz_pqf_parser *li, ODR o, oid_proto proto, - int num_attr, int *attr_list, char **attr_clist, - oid_value *attr_set) +static Z_Operand *rpn_simple(struct yaz_pqf_parser *li, ODR o, + int num_attr, int *attr_list, char **attr_clist, + Odr_oid **attr_set) { Z_Operand *zo; @@ -363,8 +360,7 @@ static Z_Operand *rpn_simple (struct yaz_pqf_parser *li, ODR o, oid_proto proto, case 't': zo->which = Z_Operand_APT; if (!(zo->u.attributesPlusTerm = - rpn_term (li, o, proto, num_attr, attr_list, attr_clist, - attr_set))) + rpn_term(li, o, num_attr, attr_list, attr_clist, attr_set))) return 0; lex (li); break; @@ -403,29 +399,54 @@ static Z_ProximityOperator *rpn_proximity (struct yaz_pqf_parser *li, ODR o) p->exclusion = odr_intdup (o, 1); else if (*li->lex_buf == '0') p->exclusion = odr_intdup (o, 0); - else + else if (*li->lex_buf == 'v' || *li->lex_buf == 'n') p->exclusion = NULL; + else + { + li->error = YAZ_PQF_ERROR_PROXIMITY; + return NULL; + } if (!lex (li)) { li->error = YAZ_PQF_ERROR_MISSING; return NULL; } - p->distance = odr_intdup (o, atoi(li->lex_buf)); + if (*li->lex_buf >= '0' && *li->lex_buf <= '9') + p->distance = odr_intdup (o, atoi (li->lex_buf)); + else + { + li->error = YAZ_PQF_ERROR_BAD_INTEGER; + return NULL; + } if (!lex (li)) { li->error = YAZ_PQF_ERROR_MISSING; return NULL; } - p->ordered = odr_intdup (o, atoi (li->lex_buf)); + if (*li->lex_buf == '1') + p->ordered = odr_intdup (o, 1); + else if (*li->lex_buf == '0') + p->ordered = odr_intdup (o, 0); + else + { + li->error = YAZ_PQF_ERROR_PROXIMITY; + return NULL; + } if (!lex (li)) { li->error = YAZ_PQF_ERROR_MISSING; return NULL; } - p->relationType = odr_intdup (o, atoi (li->lex_buf)); + if (*li->lex_buf >= '0' && *li->lex_buf <= '9') + p->relationType = odr_intdup (o, atoi (li->lex_buf)); + else + { + li->error = YAZ_PQF_ERROR_BAD_INTEGER; + return NULL; + } if (!lex (li)) { @@ -439,19 +460,32 @@ static Z_ProximityOperator *rpn_proximity (struct yaz_pqf_parser *li, ODR o) else p->which = atoi (li->lex_buf); + if (p->which != Z_ProximityOperator_known + && p->which != Z_ProximityOperator_private) + { + li->error = YAZ_PQF_ERROR_PROXIMITY; + return NULL; + } + if (!lex (li)) { li->error = YAZ_PQF_ERROR_MISSING; return NULL; } - p->u.known = odr_intdup (o, atoi(li->lex_buf)); + if (*li->lex_buf >= '0' && *li->lex_buf <= '9') + p->u.known = odr_intdup (o, atoi(li->lex_buf)); + else + { + li->error = YAZ_PQF_ERROR_BAD_INTEGER; + return NULL; + } return p; } -static Z_Complex *rpn_complex (struct yaz_pqf_parser *li, ODR o, oid_proto proto, - int num_attr, int max_attr, - int *attr_list, char **attr_clist, - oid_value *attr_set) +static Z_Complex *rpn_complex(struct yaz_pqf_parser *li, ODR o, + int num_attr, int max_attr, + int *attr_list, char **attr_clist, + Odr_oid **attr_set) { Z_Complex *zc; Z_Operator *zo; @@ -487,17 +521,17 @@ static Z_Complex *rpn_complex (struct yaz_pqf_parser *li, ODR o, oid_proto proto } lex (li); if (!(zc->s1 = - rpn_structure (li, o, proto, num_attr, max_attr, attr_list, - attr_clist, attr_set))) + rpn_structure(li, o, num_attr, max_attr, attr_list, + attr_clist, attr_set))) return NULL; if (!(zc->s2 = - rpn_structure (li, o, proto, num_attr, max_attr, attr_list, - attr_clist, attr_set))) + rpn_structure(li, o, num_attr, max_attr, attr_list, + attr_clist, attr_set))) return NULL; return zc; } -static void rpn_term_type (struct yaz_pqf_parser *li, ODR o) +static void rpn_term_type(struct yaz_pqf_parser *li, ODR o) { if (!li->query_look) return ; @@ -513,21 +547,22 @@ static void rpn_term_type (struct yaz_pqf_parser *li, ODR o) li->term_type = Z_Term_dateTime; else if (compare_term (li, "null", 0)) li->term_type = Z_Term_null; +#if 0 else if (compare_term(li, "range", 0)) { /* prepare for external: range search .. */ li->term_type = Z_Term_external; li->external_type = VAL_MULTISRCH2; } +#endif lex (li); } -static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, - oid_proto proto, - int num_attr, int max_attr, - int *attr_list, - char **attr_clist, - oid_value *attr_set) +static Z_RPNStructure *rpn_structure(struct yaz_pqf_parser *li, ODR o, + int num_attr, int max_attr, + int *attr_list, + char **attr_clist, + Odr_oid **attr_set) { Z_RPNStructure *sz; @@ -540,7 +575,7 @@ static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, case 'p': sz->which = Z_RPNStructure_complex; if (!(sz->u.complex = - rpn_complex (li, o, proto, num_attr, max_attr, attr_list, + rpn_complex (li, o, num_attr, max_attr, attr_list, attr_clist, attr_set))) return NULL; break; @@ -548,7 +583,7 @@ static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, case 's': sz->which = Z_RPNStructure_simple; if (!(sz->u.simple = - rpn_simple (li, o, proto, num_attr, attr_list, + rpn_simple (li, o, num_attr, attr_list, attr_clist, attr_set))) return NULL; break; @@ -570,13 +605,13 @@ static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, num_attr++; lex (li); return - rpn_structure (li, o, proto, num_attr, max_attr, attr_list, + rpn_structure (li, o, num_attr, max_attr, attr_list, attr_clist, attr_set); case 'y': lex (li); rpn_term_type (li, o); return - rpn_structure (li, o, proto, num_attr, max_attr, attr_list, + rpn_structure (li, o, num_attr, max_attr, attr_list, attr_clist, attr_set); case 0: /* operator/operand expected! */ li->error = YAZ_PQF_ERROR_MISSING; @@ -585,35 +620,33 @@ static Z_RPNStructure *rpn_structure (struct yaz_pqf_parser *li, ODR o, return sz; } -Z_RPNQuery *p_query_rpn_mk (ODR o, struct yaz_pqf_parser *li, oid_proto proto, - const char *qbuf) +Z_RPNQuery *p_query_rpn_mk(ODR o, struct yaz_pqf_parser *li, const char *qbuf) { Z_RPNQuery *zq; int attr_array[1024]; char *attr_clist[512]; - oid_value attr_set[512]; - oid_value topSet = VAL_NONE; + Odr_oid *attr_set[512]; + Odr_oid *top_set = 0; zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq)); lex (li); if (li->query_look == 'r') { lex (li); - topSet = query_oid_getvalbyname (li); - if (topSet == VAL_NONE) + top_set = query_oid_getvalbyname(li, o); + if (!top_set) { li->error = YAZ_PQF_ERROR_ATTSET; return NULL; } - lex (li); } - if (topSet == VAL_NONE) - topSet = p_query_dfset; - if (topSet == VAL_NONE) - topSet = VAL_BIB1; + if (!top_set) + { + top_set = odr_oiddup(o, yaz_oid_attset_bib_1); + } - zq->attributeSetId = yaz_oidval_to_z3950oid(o, CLASS_ATTSET, topSet); + zq->attributeSetId = top_set; if (!zq->attributeSetId) { @@ -621,8 +654,8 @@ Z_RPNQuery *p_query_rpn_mk (ODR o, struct yaz_pqf_parser *li, oid_proto proto, return 0; } - if (!(zq->RPNStructure = rpn_structure (li, o, proto, 0, 512, - attr_array, attr_clist, attr_set))) + if (!(zq->RPNStructure = rpn_structure(li, o, 0, 512, + attr_array, attr_clist, attr_set))) return 0; if (li->query_look) { @@ -632,7 +665,7 @@ Z_RPNQuery *p_query_rpn_mk (ODR o, struct yaz_pqf_parser *li, oid_proto proto, return zq; } -Z_RPNQuery *p_query_rpn (ODR o, oid_proto proto, const char *qbuf) +Z_RPNQuery *p_query_rpn(ODR o, const char *qbuf) { struct yaz_pqf_parser li; @@ -643,37 +676,40 @@ Z_RPNQuery *p_query_rpn (ODR o, oid_proto proto, const char *qbuf) li.term_type = Z_Term_general; li.query_buf = li.query_ptr = qbuf; li.lex_buf = 0; - return p_query_rpn_mk (o, &li, proto, qbuf); + return p_query_rpn_mk(o, &li, qbuf); } -Z_AttributesPlusTerm *p_query_scan_mk (struct yaz_pqf_parser *li, - ODR o, oid_proto proto, - Odr_oid **attributeSetP, - const char *qbuf) +Z_AttributesPlusTerm *p_query_scan_mk(struct yaz_pqf_parser *li, + ODR o, oid_proto proto, + Odr_oid **attributeSetP, + const char *qbuf) { int attr_list[1024]; char *attr_clist[512]; - oid_value attr_set[512]; + Odr_oid *attr_set[512]; int num_attr = 0; int max_attr = 512; - oid_value topSet = VAL_NONE; + Odr_oid *top_set = 0; Z_AttributesPlusTerm *apt; lex (li); if (li->query_look == 'r') { lex (li); - topSet = query_oid_getvalbyname (li); - + top_set = query_oid_getvalbyname(li, o); + if (!top_set) + { + li->error = YAZ_PQF_ERROR_ATTSET; + return NULL; + } lex (li); } - if (topSet == VAL_NONE) - topSet = p_query_dfset; - if (topSet == VAL_NONE) - topSet = VAL_BIB1; - - *attributeSetP = yaz_oidval_to_z3950oid (o, CLASS_ATTSET, topSet); + if (!top_set) + { + top_set = odr_oiddup(o, yaz_oid_attset_bib_1); + } + *attributeSetP = top_set; while (1) { @@ -709,7 +745,7 @@ Z_AttributesPlusTerm *p_query_scan_mk (struct yaz_pqf_parser *li, li->error = YAZ_PQF_ERROR_MISSING; return 0; } - apt = rpn_term (li, o, proto, num_attr, attr_list, attr_clist, attr_set); + apt = rpn_term(li, o, num_attr, attr_list, attr_clist, attr_set); lex (li); @@ -738,12 +774,6 @@ Z_AttributesPlusTerm *p_query_scan (ODR o, oid_proto proto, return p_query_scan_mk (&li, o, proto, attributeSetP, qbuf); } -int p_query_attset (const char *arg) -{ - p_query_dfset = oid_getvalbyname (arg); - return (p_query_dfset == VAL_NONE) ? -1 : 0; -} - YAZ_PQF_Parser yaz_pqf_create (void) { YAZ_PQF_Parser p = (YAZ_PQF_Parser) xmalloc (sizeof(*p)); @@ -757,23 +787,23 @@ YAZ_PQF_Parser yaz_pqf_create (void) return p; } -void yaz_pqf_destroy (YAZ_PQF_Parser p) +void yaz_pqf_destroy(YAZ_PQF_Parser p) { xfree (p); } -Z_RPNQuery *yaz_pqf_parse (YAZ_PQF_Parser p, ODR o, const char *qbuf) +Z_RPNQuery *yaz_pqf_parse(YAZ_PQF_Parser p, ODR o, const char *qbuf) { if (!p) return 0; p->query_buf = p->query_ptr = qbuf; p->lex_buf = 0; - return p_query_rpn_mk (o, p, PROTO_Z3950, qbuf); + return p_query_rpn_mk (o, p, qbuf); } -Z_AttributesPlusTerm *yaz_pqf_scan (YAZ_PQF_Parser p, ODR o, - Odr_oid **attributeSetP, - const char *qbuf) +Z_AttributesPlusTerm *yaz_pqf_scan(YAZ_PQF_Parser p, ODR o, + Odr_oid **attributeSetP, + const char *qbuf) { if (!p) return 0; @@ -800,6 +830,10 @@ int yaz_pqf_error (YAZ_PQF_Parser p, const char **msg, size_t *off) *msg = "bad attribute specification"; break; case YAZ_PQF_ERROR_INTERNAL: *msg = "internal error"; break; + case YAZ_PQF_ERROR_PROXIMITY: + *msg = "proximity error"; break; + case YAZ_PQF_ERROR_BAD_INTEGER: + *msg = "bad integer"; break; default: *msg = "unknown error"; break; }