-/*
- * Copyright (C) 1995-2005, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2009 Index Data
* See the file LICENSE for details.
- *
- * $Id: pquery.c,v 1.6 2005-06-25 15:46:04 adam Exp $
*/
/**
* \file pquery.c
#include <ctype.h>
#include <yaz/proto.h>
-#include <yaz/oid.h>
+#include <yaz/oid_db.h>
#include <yaz/pquery.h>
-static oid_value p_query_dfset = VAL_NONE;
-
struct yaz_pqf_parser {
const char *query_buf;
const char *query_ptr;
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);
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;
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)
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;
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);
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;
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])
{
Z_StringOrNumeric_string;
elements[k]->value.complex->list[0]->u.string =
attr_clist[i];
- elements[k]->value.complex->semanticAction = (int **)
- odr_nullval();
+ elements[k]->value.complex->semanticAction = 0;
elements[k]->value.complex->num_semanticAction = 0;
}
else
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;
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;
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))
{
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;
{
case 'a':
zo->which = Z_Operator_and;
- zo->u.and_not = odr_nullval();
+ zo->u.op_and = odr_nullval();
break;
case 'o':
zo->which = Z_Operator_or;
- zo->u.and_not = odr_nullval();
+ zo->u.op_or = odr_nullval();
break;
case 'n':
zo->which = Z_Operator_and_not;
}
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 ;
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;
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;
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;
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;
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)
{
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)
{
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;
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)
{
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);
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));
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;
*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;
}
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab