/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2013 Index Data
+ * Copyright (C) Index Data
* See the file LICENSE for details.
*/
/**
{
/* Unsure on whether this is the relation attribute constants? */
case Z_ProximityOperator_Prox_lessThan:
- return 0;
+ return "<";
case Z_ProximityOperator_Prox_lessThanOrEqual:
- return 0;
+ return "le";
case Z_ProximityOperator_Prox_equal:
return ":";
case Z_ProximityOperator_Prox_greaterThanOrEqual:
- return 0;
+ return "ge";
case Z_ProximityOperator_Prox_greaterThan:
- return 0;
+ return ">";
case Z_ProximityOperator_Prox_notEqual:
return 0;
case 100:
- /* phonetic is not implemented*/
+ /* phonetic is not implemented */
return 0;
case 101:
/* stem is not not implemented */
return ":";
}
+static int check_range(solr_transform_t ct, Z_Complex *q,
+ Z_AttributesPlusTerm **p_apt1,
+ Z_AttributesPlusTerm **p_apt2)
+{
+ Z_Operator *op = q->roperator;
+ if (op->which == Z_Operator_and &&
+ q->s1->which == Z_RPNStructure_simple &&
+ q->s2->which == Z_RPNStructure_simple &&
+ q->s1->u.simple->which == Z_Operand_APT &&
+ q->s2->u.simple->which == Z_Operand_APT)
+ {
+ Z_AttributesPlusTerm *apt1 = q->s1->u.simple->u.attributesPlusTerm;
+ Z_AttributesPlusTerm *apt2 = q->s2->u.simple->u.attributesPlusTerm;
+ const char *i1 = solr_lookup_reverse(ct, "index.", apt1->attributes);
+ const char *i2 = solr_lookup_reverse(ct, "index.", apt2->attributes);
+ const char *rel1 = solr_lookup_reverse(ct, "relation.",
+ apt1->attributes);
+ const char *rel2 = solr_lookup_reverse(ct, "relation.",
+ apt2->attributes);
+ if (!rel1)
+ rel1 = lookup_relation_index_from_attr(apt1->attributes);
+ if (!rel2)
+ rel2 = lookup_relation_index_from_attr(apt2->attributes);
+ if (!i1)
+ i1 = lookup_index_from_string_attr(apt1->attributes);
+ if (!i2)
+ i2 = lookup_index_from_string_attr(apt2->attributes);
+ if (i1 && i2 && !strcmp(i1, i2) && rel1 && rel2)
+ {
+ if ((rel1[0] == '>' || rel1[0] == 'g') &&
+ (rel2[0] == '<' || rel2[0] == 'l'))
+ {
+ *p_apt1 = apt1;
+ *p_apt2 = apt2;
+ return 1;
+ }
+ if ((rel2[0] == '>' || rel2[0] == 'g') &&
+ (rel1[0] == '<' || rel1[0] == 'l'))
+ {
+ *p_apt1 = apt2;
+ *p_apt2 = apt1;
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
static int rpn2solr_attr(solr_transform_t ct,
- Z_AttributeList *attributes, WRBUF w, char **close_range)
+ Z_AttributeList *attributes, WRBUF w)
{
- const char *relation = solr_lookup_reverse(ct, "relation.", attributes);
const char *index = solr_lookup_reverse(ct, "index.", attributes);
const char *structure = solr_lookup_reverse(ct, "structure.", attributes);
/* if transform (properties) do not match, we'll just use a USE string attribute (bug #2978) */
if (!index)
index = lookup_index_from_string_attr(attributes);
-
- /* Attempt to fix bug #2978: Look for a relation attribute */
- if (!relation)
- relation = lookup_relation_index_from_attr(attributes);
-
if (!index)
{
- solr_transform_set_error(ct, YAZ_BIB1_UNSUPP_USE_ATTRIBUTE, 0);
+ solr_transform_set_error(ct,
+ YAZ_BIB1_UNSUPP_USE_ATTRIBUTE, 0);
return -1;
}
/* for serverChoice we omit index+relation+structure */
if (strcmp(index, "cql.serverChoice"))
{
wrbuf_puts(w, index);
- if (relation)
- {
- if (!strcmp(relation, "exact"))
- /* TODO Verify if a exact SOLR exists */
- relation = ":";
- else if (!strcmp(relation, "eq"))
- relation = ":";
- else if (!strcmp(relation, "le")) {
- /* TODO Not support as such, but could perhaps be transformed into a range */
- relation = ":[* TO ";
- *close_range = "]";
- }
- else if (!strcmp(relation, "ge")) {
- /* TODO Not support as such, but could perhaps be transformed into a range */
- relation = ":[";
- *close_range = " TO *]";
- }
- /* Missing mapping of not equal, phonetic, stem and relevance */
- wrbuf_puts(w, relation);
- }
- else
- wrbuf_puts(w, ":");
-
+ wrbuf_puts(w, ":");
if (structure)
{
if (strcmp(structure, "*"))
wrbuf_puts(w, " ");
}
}
-// if (close_range)
-// wrbuf_puts(w, close_range);
}
return 0;
}
#define SOLR_SPECIAL "+-&|!(){}[]^\"~*?:\\"
-static int rpn2solr_simple(solr_transform_t ct,
- void (*pr)(const char *buf, void *client_data),
- void *client_data,
- Z_Operand *q, WRBUF w)
+static int emit_term(solr_transform_t ct, WRBUF w, Z_Term *term, Odr_int trunc)
{
- int ret = 0;
- if (q->which != Z_Operand_APT)
+ size_t lterm = 0;
+ const char *sterm = 0;
+ switch (term->which)
{
- ret = -1;
- solr_transform_set_error(ct, YAZ_BIB1_RESULT_SET_UNSUPP_AS_A_SEARCH_TERM, 0);
+ case Z_Term_general:
+ lterm = term->u.general->len;
+ sterm = (const char *) term->u.general->buf;
+ break;
+ case Z_Term_numeric:
+ wrbuf_printf(w, ODR_INT_PRINTF, *term->u.numeric);
+ break;
+ case Z_Term_characterString:
+ sterm = term->u.characterString;
+ lterm = strlen(sterm);
+ break;
+ default:
+ solr_transform_set_error(ct, YAZ_BIB1_TERM_TYPE_UNSUPP, 0);
+ return -1;
}
- else
- {
- Z_AttributesPlusTerm *apt = q->u.attributesPlusTerm;
- Z_Term *term = apt->term;
- const char *sterm = 0;
- size_t lterm = 0;
- Odr_int trunc = get_truncation(apt);
- char *close_range = 0;
- wrbuf_rewind(w);
- ret = rpn2solr_attr(ct, apt->attributes, w, &close_range);
-
- if (trunc == 0 || trunc == 1 || trunc == 100 || trunc == 104)
- ;
- else
- {
- solr_transform_set_error(ct, YAZ_BIB1_UNSUPP_TRUNCATION_ATTRIBUTE, 0);
- return -1;
- }
- switch (term->which)
- {
- case Z_Term_general:
- lterm = term->u.general->len;
- sterm = (const char *) term->u.general->buf;
- break;
- case Z_Term_numeric:
- wrbuf_printf(w, ODR_INT_PRINTF, *term->u.numeric);
- break;
- case Z_Term_characterString:
- sterm = term->u.characterString;
- lterm = strlen(sterm);
- break;
- default:
- ret = -1;
- solr_transform_set_error(ct, YAZ_BIB1_TERM_TYPE_UNSUPP, 0);
- }
+ if (sterm)
+ {
+ size_t i;
+ int must_quote = 0;
- if (sterm)
+ for (i = 0 ; i < lterm; i++)
+ if (sterm[i] == ' ')
+ must_quote = 1;
+ if (must_quote)
+ wrbuf_puts(w, "\"");
+ if (trunc == 2 || trunc == 3)
+ wrbuf_puts(w, "*");
+ for (i = 0 ; i < lterm; i++)
{
- size_t i;
- int must_quote = 0;
-
- for (i = 0 ; i < lterm; i++)
- if (sterm[i] == ' ')
- must_quote = 1;
- if (must_quote)
- wrbuf_puts(w, "\"");
- for (i = 0 ; i < lterm; i++)
+ if (sterm[i] == '\\' && i < lterm - 1)
{
- if (sterm[i] == '\\' && i < lterm - 1)
- {
- i++;
- if (strchr(SOLR_SPECIAL, sterm[i]))
- wrbuf_putc(w, '\\');
- wrbuf_putc(w, sterm[i]);
- }
- else if (sterm[i] == '?' && trunc == 104)
- {
- wrbuf_putc(w, '*');
- }
- else if (sterm[i] == '#' && trunc == 104)
- {
- wrbuf_putc(w, '?');
- }
- else if (strchr(SOLR_SPECIAL, sterm[i]))
- {
+ i++;
+ if (strchr(SOLR_SPECIAL, sterm[i]))
wrbuf_putc(w, '\\');
- wrbuf_putc(w, sterm[i]);
- }
- else
- wrbuf_putc(w, sterm[i]);
+ wrbuf_putc(w, sterm[i]);
+ }
+ else if (sterm[i] == '?' && trunc == 104)
+ {
+ wrbuf_putc(w, '*');
+ }
+ else if (sterm[i] == '#' && trunc == 104)
+ {
+ wrbuf_putc(w, '?');
+ }
+ else if (strchr(SOLR_SPECIAL, sterm[i]))
+ {
+ wrbuf_putc(w, '\\');
+ wrbuf_putc(w, sterm[i]);
}
- if (trunc == 1)
- wrbuf_puts(w, "*");
- if (must_quote)
- wrbuf_puts(w, "\"");
- if (close_range)
- wrbuf_puts(w, close_range);
+ else
+ wrbuf_putc(w, sterm[i]);
}
- if (ret == 0)
- pr(wrbuf_cstr(w), client_data);
+ if (trunc == 1 || trunc == 3)
+ wrbuf_puts(w, "*");
+ if (must_quote)
+ wrbuf_puts(w, "\"");
}
- return ret;
+ return 0;
}
+static int rpn2solr_simple(solr_transform_t ct,
+ void (*pr)(const char *buf, void *client_data),
+ void *client_data,
+ Z_AttributesPlusTerm *apt, WRBUF w,
+ Z_AttributesPlusTerm *apt2)
+ {
+ int ret = 0;
+ Z_Term *term = apt->term;
+ Odr_int trunc = get_truncation(apt);
+ const char *relation2 = 0;
+ const char *relation1 = solr_lookup_reverse(ct, "relation.",
+ apt->attributes);
+ /* Attempt to fix bug #2978: Look for a relation attribute */
+ if (!relation1)
+ relation1 = lookup_relation_index_from_attr(apt->attributes);
+ if (!relation1)
+ {
+ solr_transform_set_error(ct, YAZ_BIB1_UNSUPP_RELATION_ATTRIBUTE, 0);
+ return -1;
+ }
+ if (apt2)
+ {
+ relation2 = solr_lookup_reverse(ct, "relation.",
+ apt2->attributes);
+ if (!relation2)
+ relation2 = lookup_relation_index_from_attr(apt2->attributes);
+ }
+ wrbuf_rewind(w);
+ ret = rpn2solr_attr(ct, apt->attributes, w);
+ if (ret)
+ return ret;
+ if ((trunc >= 0 && trunc <= 3) || trunc == 100 || trunc == 104)
+ ;
+ else
+ {
+ solr_transform_set_error(ct, YAZ_BIB1_UNSUPP_TRUNCATION_ATTRIBUTE, 0);
+ return -1;
+ }
+
+ if (!relation1)
+ ret = emit_term(ct, w, term, trunc);
+ else if (relation1[0] == '<' || relation1[0] == 'l')
+ {
+ wrbuf_puts(w, "[* TO ");
+ ret = emit_term(ct, w, term, trunc);
+ if (!strcmp(relation1, "le") || !strcmp(relation1, "<="))
+ wrbuf_puts(w, "]");
+ else
+ wrbuf_puts(w, "}");
+ }
+ else if (relation1[0] == '>' || relation1[0] == 'g')
+ {
+ if (!strcmp(relation1, ">=") || !strcmp(relation1, "ge"))
+ wrbuf_puts(w, "[");
+ else
+ wrbuf_puts(w, "{");
+ ret = emit_term(ct, w, term, trunc);
+ wrbuf_puts(w, " TO ");
+ if (apt2)
+ {
+ emit_term(ct, w, apt2->term, 0);
+ if (!relation2 || !strcmp(relation2, "<=") ||
+ !strcmp(relation2, "le"))
+ wrbuf_puts(w, "]");
+ else
+ wrbuf_puts(w, "}");
+ }
+ else
+ wrbuf_puts(w, "*]");
+ }
+ else
+ ret = emit_term(ct, w, term, trunc);
+ if (ret == 0)
+ pr(wrbuf_cstr(w), client_data);
+ return ret;
+ }
+
static int rpn2solr_structure(solr_transform_t ct,
void (*pr)(const char *buf, void *client_data),
- void *client_data,
+ void *client_data,
Z_RPNStructure *q, int nested,
WRBUF w)
{
if (q->which == Z_RPNStructure_simple)
- return rpn2solr_simple(ct, pr, client_data, q->u.simple, w);
+ {
+ if (q->u.simple->which != Z_Operand_APT)
+ {
+ solr_transform_set_error(
+ ct, YAZ_BIB1_RESULT_SET_UNSUPP_AS_A_SEARCH_TERM, 0);
+ return -1;
+ }
+ else
+ return rpn2solr_simple(ct, pr, client_data,
+ q->u.simple->u.attributesPlusTerm, w, 0);
+ }
else
{
Z_Operator *op = q->u.complex->roperator;
+ Z_AttributesPlusTerm *apt1, *apt2;
int r;
+ if (check_range(ct, q->u.complex, &apt1, &apt2))
+ return rpn2solr_simple(ct, pr, client_data, apt1, w, apt2);
if (nested)
pr("(", client_data);