/*
- * Copyright (c) 1995-2001, Index Data.
+ * Copyright (c) 1995-2002, Index Data.
* See the file LICENSE for details.
*
- * $Log: pquery.c,v $
- * Revision 1.7 2001-05-09 23:31:35 adam
- * String attribute values for PQF. Proper C-backslash escaping for PQF.
- *
- * Revision 1.6 2001/03/07 13:24:40 adam
- * Member and_not in Z_Operator is kept for backwards compatibility.
- * Added support for definition of CCL operators in field spec file.
- *
- * Revision 1.5 2001/02/21 13:46:54 adam
- * C++ fixes.
- *
- * Revision 1.4 1999/12/21 16:25:20 adam
- * Fixed handling of default/inherited attributes.
- *
- * Revision 1.3 1999/12/20 15:20:13 adam
- * Implemented ccl_pquery to convert from CCL tree to prefix query.
- *
- * Revision 1.2 1999/11/30 13:47:12 adam
- * Improved installation. Moved header files to include/yaz.
- *
- * Revision 1.1 1999/06/08 10:10:16 adam
- * New sub directory zutil. Moved YAZ Compiler to be part of YAZ tree.
- *
- * Revision 1.22 1999/04/20 09:56:49 adam
- * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
- * Modified all encoders/decoders to reflect this change.
- *
- * Revision 1.21 1998/10/13 16:03:37 adam
- * Better checking for invalid OID's in p_query_rpn.
- *
- * Revision 1.20 1998/03/31 15:13:20 adam
- * Development towards compiled ASN.1.
- *
- * Revision 1.19 1998/03/05 08:09:03 adam
- * Minor change to make C++ happy.
- *
- * Revision 1.18 1998/02/11 11:53:36 adam
- * Changed code so that it compiles as C++.
- *
- * Revision 1.17 1997/11/24 11:33:57 adam
- * Using function odr_nullval() instead of global ODR_NULLVAL when
- * appropriate.
- *
- * Revision 1.16 1997/09/29 13:19:00 adam
- * Added function, oid_ent_to_oid, to replace the function
- * oid_getoidbyent, which is not thread safe.
- *
- * Revision 1.15 1997/09/29 07:13:43 adam
- * Changed type of a few variables to avoid warnings.
- *
- * Revision 1.14 1997/09/22 12:33:41 adam
- * Fixed bug introduced by previous commit.
- *
- * Revision 1.13 1997/09/17 12:10:42 adam
- * YAZ version 1.4.
- *
- * Revision 1.12 1997/09/01 08:54:13 adam
- * New windows NT/95 port using MSV5.0. Made prefix query handling
- * thread safe. The function options ignores empty arguments when met.
- *
- * Revision 1.11 1996/11/11 13:15:29 adam
- * Added proximity operator.
- *
- * Revision 1.10 1996/08/12 14:10:35 adam
- * New function p_query_attset to define default attribute set.
- *
- * Revision 1.9 1996/03/15 11:03:46 adam
- * Attribute set can be set globally for a query with the @attrset
- * operator. The @attr operator has an optional attribute-set specifier
- * that sets the attribute set locally.
- *
- * Revision 1.8 1996/01/02 11:46:56 quinn
- * Changed 'operator' to 'roperator' to avoid C++ conflict.
- *
- * Revision 1.7 1995/09/29 17:12:36 quinn
- * Smallish
- *
- * Revision 1.6 1995/09/27 15:03:03 quinn
- * Modified function heads & prototypes.
- *
- * Revision 1.5 1995/06/15 12:31:02 quinn
- * *** empty log message ***
- *
- * Revision 1.4 1995/06/15 07:45:19 quinn
- * Moving to v3.
- *
- * Revision 1.3 1995/06/14 11:06:35 adam
- * Bug fix: Attributes wasn't interpreted correctly!
- *
- * Revision 1.2 1995/05/26 08:56:11 adam
- * New function: p_query_scan.
- *
- * Revision 1.1 1995/05/22 15:31:49 adam
- * New function, p_query_rpn, to convert from prefix (ascii) to rpn (asn).
- *
+ * $Id: pquery.c,v 1.16 2002-07-25 12:48:39 adam Exp $
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+#include <ctype.h>
#include <yaz/proto.h>
#include <yaz/oid.h>
++(*qptr);
}
li->lex_buf = *qptr;
-
+
+ if (**qptr == li->escape_char && isdigit ((*qptr)[1]))
+ {
+ ++(li->lex_len);
+ ++(*qptr);
+ return 'l';
+ }
while (**qptr && **qptr != sep_char)
{
if (**qptr == '\\')
}
if (**qptr)
++(*qptr);
- if (li->lex_len >= 1 && li->lex_buf[0] == li->escape_char)
+ if (sep_char == ' ' &&
+ li->lex_len >= 1 && li->lex_buf[0] == li->escape_char)
{
if (compare_term (li, "and", 1))
return 'a';
{
int len = li->lex_len - (cp - li->lex_buf);
attr_list[2*num_attr+1] = 0;
- attr_clist[num_attr] = odr_malloc (o, len+1);
+ attr_clist[num_attr] = (char *) odr_malloc (o, len+1);
len = escape_string(attr_clist[num_attr], cp, len);
attr_clist[num_attr][len] = '\0';
}
elements[k] =
(Z_AttributeElement*)odr_malloc (o,sizeof(**elements));
elements[k]->attributeType = &attr_tmp[2*i];
- if (attr_set[i] == VAL_NONE)
- elements[k]->attributeSet = 0;
- else
- {
- oident attrid;
- int oid[OID_SIZE];
-
- attrid.proto = PROTO_Z3950;
- attrid.oclass = CLASS_ATTSET;
- attrid.value = attr_set[i];
-
- elements[k]->attributeSet =
- odr_oiddup (o, oid_ent_to_oid (&attrid, oid));
- }
+ elements[k]->attributeSet =
+ yaz_oidval_to_z3950oid(o, CLASS_ATTSET, attr_set[i]);
+
if (attr_clist[i])
{
elements[k]->which = Z_AttributeValue_complex;
}
num_attr = k;
}
-#ifdef ASN_COMPILED
zapt->attributes = (Z_AttributeList *)
odr_malloc (o, sizeof(*zapt->attributes));
zapt->attributes->num_attributes = num_attr;
zapt->attributes->attributes = elements;
-#else
- zapt->num_attributes = num_attr;
- zapt->attributeList = elements;
-#endif
zapt->term = term;
- term->which = Z_Term_general;
- term->u.general = term_octet;
- term_octet->buf = (unsigned char *)odr_malloc (o, li->lex_len);
+
+ term_octet->buf = (unsigned char *)odr_malloc (o, 1 + li->lex_len);
term_octet->size = term_octet->len =
- escape_string (term_octet->buf, li->lex_buf, li->lex_len);
+ escape_string ((char *) (term_octet->buf), li->lex_buf, li->lex_len);
+ term_octet->buf[term_octet->size] = 0; /* null terminate */
+
+ switch (li->term_type)
+ {
+ case Z_Term_general:
+ term->which = Z_Term_general;
+ term->u.general = term_octet;
+ break;
+ case Z_Term_characterString:
+ term->which = Z_Term_characterString;
+ term->u.characterString = term_octet->buf; /* null terminated above */
+ break;
+ case Z_Term_numeric:
+ term->which = Z_Term_numeric;
+ term->u.numeric = odr_intdup (o, atoi(term_octet->buf));
+ break;
+ case Z_Term_null:
+ term->which = Z_Term_null;
+ term->u.null = odr_nullval();
+ break;
+ default:
+ term->which = Z_Term_null;
+ term->u.null = odr_nullval();
+ break;
+ }
return zapt;
}
if (!(zo->u.attributesPlusTerm =
rpn_term (li, o, proto, num_attr, attr_list, attr_clist,
attr_set)))
- return NULL;
+ return 0;
lex (li);
break;
case 's':
lex (li);
if (!li->query_look)
- return NULL;
+ return 0;
zo->which = Z_Operand_resultSetId;
zo->u.resultSetId = (char *)odr_malloc (o, li->lex_len+1);
memcpy (zo->u.resultSetId, li->lex_buf, li->lex_len);
lex (li);
break;
default:
- return NULL;
+ return 0;
}
return zo;
}
if (!lex (li))
return NULL;
-#ifdef ASN_COMPILED
p->which = Z_ProximityOperator_known;
p->u.known = (int *)odr_malloc (o, sizeof(*p->u.known));
*p->u.known = atoi (li->lex_buf);
-#else
- p->proximityUnitCode = (int *)odr_malloc (o, sizeof(*p->proximityUnitCode));
- *p->proximityUnitCode = atoi (li->lex_buf);
-#endif
return p;
}
return zc;
}
+static void rpn_term_type (struct lex_info *li, ODR o)
+{
+ if (!li->query_look)
+ return ;
+ if (compare_term (li, "general", 0))
+ li->term_type = Z_Term_general;
+ else if (compare_term (li, "numeric", 0))
+ li->term_type = Z_Term_numeric;
+ else if (compare_term (li, "string", 0))
+ li->term_type = Z_Term_characterString;
+ else if (compare_term (li, "oid", 0))
+ li->term_type = Z_Term_oid;
+ else if (compare_term (li, "datetime", 0))
+ li->term_type = Z_Term_dateTime;
+ else if (compare_term (li, "null", 0))
+ li->term_type = Z_Term_null;
+ lex (li);
+}
+
static Z_RPNStructure *rpn_structure (struct lex_info *li, ODR o,
oid_proto proto,
int num_attr, int max_attr,
return NULL;
if (num_attr >= max_attr)
return NULL;
- p_query_parse_attr(li, o, num_attr, attr_list, attr_clist, attr_set);
+ if (!p_query_parse_attr(li, o, num_attr, attr_list,
+ attr_clist, attr_set))
+ return 0;
num_attr++;
lex (li);
return
attr_clist, attr_set);
case 'y':
lex (li);
- if (!li->query_look)
- return NULL;
- if (compare_term (li, "general", 0))
- li->term_type = Z_Term_general;
- else if (compare_term (li, "numeric", 0))
- li->term_type = Z_Term_numeric;
- else if (compare_term (li, "string", 0))
- li->term_type = Z_Term_characterString;
- else if (compare_term (li, "oid", 0))
- li->term_type = Z_Term_oid;
- else if (compare_term (li, "datetime", 0))
- li->term_type = Z_Term_dateTime;
- else if (compare_term (li, "null", 0))
- li->term_type = Z_Term_null;
- lex (li);
+ rpn_term_type (li, o);
return
rpn_structure (li, o, proto, num_attr, max_attr, attr_list,
attr_clist, attr_set);
char *attr_clist[512];
oid_value attr_set[512];
oid_value topSet = VAL_NONE;
- oident oset;
- int oid[OID_SIZE];
zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
lex (li);
topSet = p_query_dfset;
if (topSet == VAL_NONE)
topSet = VAL_BIB1;
- oset.proto = proto;
- oset.oclass = CLASS_ATTSET;
- oset.value = topSet;
- if (!oid_ent_to_oid (&oset, oid))
- return NULL;
- zq->attributeSetId = odr_oiddup (o, oid);
+ zq->attributeSetId = yaz_oidval_to_z3950oid(o, CLASS_ATTSET, topSet);
+
+ if (!zq->attributeSetId)
+ return 0;
if (!(zq->RPNStructure = rpn_structure (li, o, proto, 0, 512,
attr_array, attr_clist, attr_set)))
int num_attr = 0;
int max_attr = 512;
oid_value topSet = VAL_NONE;
- oident oset;
- int oid[OID_SIZE];
lex (li);
if (li->query_look == 'r')
topSet = p_query_dfset;
if (topSet == VAL_NONE)
topSet = VAL_BIB1;
- oset.proto = proto;
- oset.oclass = CLASS_ATTSET;
- oset.value = topSet;
- *attributeSetP = odr_oiddup (o, oid_ent_to_oid (&oset, oid));
+ *attributeSetP = yaz_oidval_to_z3950oid (o, CLASS_ATTSET, topSet);
- while (li->query_look == 'l')
+ while (1)
{
- lex (li);
- if (!li->query_look)
- return NULL;
- if (num_attr >= max_attr)
- return NULL;
- p_query_parse_attr(li, o, num_attr, attr_list, attr_clist, attr_set);
- num_attr++;
- lex (li);
+ if (li->query_look == 'l')
+ {
+ lex (li);
+ if (!li->query_look)
+ return 0;
+ if (num_attr >= max_attr)
+ return 0;
+ if (!p_query_parse_attr(li, o, num_attr, attr_list,
+ attr_clist, attr_set))
+ return 0;
+ num_attr++;
+ lex (li);
+ }
+ else if (li->query_look == 'y')
+ {
+ lex (li);
+ rpn_term_type (li, o);
+ }
+ else
+ break;
}
if (!li->query_look)
return NULL;