#define CCL_CHARS "#?\\"
static int has_ccl_masking(const char *src_str,
- int src_len,
+ size_t src_len,
const char **truncation_aliases,
const char **mask_aliases)
{
return 0;
}
+
+static struct ccl_rpn_node *ccl_term_one_use(CCL_parser cclp,
+ struct ccl_rpn_attr *attr_use,
+ ccl_qualifier_t *qa,
+ size_t no, int term_len,
+ const char **truncation_aliases,
+ const char **mask_aliases,
+ int is_phrase,
+ int is_ccl_masked,
+ int auto_group)
+{
+ struct ccl_rpn_node *p;
+ size_t i;
+ int relation_value = -1;
+ int position_value = -1;
+ int structure_value = -1;
+ int truncation_value = -1;
+ int completeness_value = -1;
+
+ int left_trunc = 0;
+ int right_trunc = 0;
+ int regex_trunc = 0;
+ int z3958_trunc = 0;
+ char *attset;
+ struct ccl_token *lookahead = cclp->look_token;
+
+ p = ccl_rpn_node_create(CCL_RPN_TERM);
+ p->u.t.attr_list = NULL;
+ p->u.t.term = NULL;
+ if (qa && qa[0])
+ {
+ const char *n = ccl_qual_get_name(qa[0]);
+ if (n)
+ p->u.t.qual = xstrdup(n);
+ }
+ /* go through all attributes and add them to the attribute list */
+ for (i = 0; qa && qa[i]; i++)
+ {
+ struct ccl_rpn_attr *attr;
+ for (attr = ccl_qual_get_attr(qa[i]); attr; attr = attr->next)
+ if (attr->type != 1 || attr == attr_use)
+ {
+ switch (attr->kind)
+ {
+ case CCL_RPN_ATTR_STRING:
+ ccl_add_attr_string(p, attr->set, attr->type,
+ attr->value.str);
+ break;
+ case CCL_RPN_ATTR_NUMERIC:
+ if (attr->value.numeric > 0)
+ { /* deal only with REAL attributes (positive) */
+ switch (attr->type)
+ {
+ case CCL_BIB1_REL:
+ if (relation_value != -1)
+ continue;
+ relation_value = attr->value.numeric;
+ break;
+ case CCL_BIB1_POS:
+ if (position_value != -1)
+ continue;
+ position_value = attr->value.numeric;
+ break;
+ case CCL_BIB1_STR:
+ if (structure_value != -1)
+ continue;
+ structure_value = attr->value.numeric;
+ break;
+ case CCL_BIB1_TRU:
+ if (truncation_value != -1)
+ continue;
+ truncation_value = attr->value.numeric;
+ break;
+ case CCL_BIB1_COM:
+ if (completeness_value != -1)
+ continue;
+ completeness_value = attr->value.numeric;
+ break;
+ }
+ ccl_add_attr_numeric(p, attr->set, attr->type,
+ attr->value.numeric);
+ }
+ }
+ }
+ }
+ attset = 0;
+ if (structure_value == -1 && (
+ auto_group ||
+ qual_val_type(qa, CCL_BIB1_STR, CCL_BIB1_STR_WP, &attset))
+ )
+ {
+ if (!is_phrase)
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_STR, 2);
+ else
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_STR, 1);
+ }
+ if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_REGEX,
+ &attset))
+ {
+ if (is_ccl_masked)
+ regex_trunc = 1; /* regex trunc (102) allowed */
+ }
+ else if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_Z3958,
+ &attset))
+ {
+ if (is_ccl_masked)
+ z3958_trunc = 1; /* Z39.58 trunc (CCL) trunc allowed */
+ }
+ /* make the RPN token */
+ p->u.t.term = (char *)xmalloc(term_len * 2 + 2);
+ ccl_assert(p->u.t.term);
+ p->u.t.term[0] = '\0';
+
+ for (i = 0; i < no; i++)
+ {
+ const char *src_str = lookahead->name;
+ size_t src_len = lookahead->len;
+
+ if (p->u.t.term[0] && lookahead->ws_prefix_len)
+ {
+ strxcat(p->u.t.term, lookahead->ws_prefix_buf,
+ lookahead->ws_prefix_len);
+ }
+ if (append_term(cclp, src_str, src_len, p->u.t.term, regex_trunc,
+ z3958_trunc, truncation_aliases, mask_aliases,
+ i == 0, i == no - 1,
+ &left_trunc, &right_trunc))
+ {
+ ccl_rpn_delete(p);
+ return NULL;
+ }
+ lookahead = lookahead->next;
+ }
+ if (left_trunc && right_trunc)
+ {
+ if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_BOTH,
+ &attset))
+ {
+ cclp->error_code = CCL_ERR_TRUNC_NOT_BOTH;
+ ccl_rpn_delete(p);
+ return NULL;
+ }
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 3);
+ }
+ else if (right_trunc)
+ {
+ if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_RIGHT,
+ &attset))
+ {
+ cclp->error_code = CCL_ERR_TRUNC_NOT_RIGHT;
+ ccl_rpn_delete(p);
+ return NULL;
+ }
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 1);
+ }
+ else if (left_trunc)
+ {
+ if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_LEFT,
+ &attset))
+ {
+ cclp->error_code = CCL_ERR_TRUNC_NOT_LEFT;
+ ccl_rpn_delete(p);
+ return NULL;
+ }
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 2);
+ }
+ else if (regex_trunc)
+ {
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 102);
+ }
+ else if (z3958_trunc)
+ {
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 104);
+ }
+ else
+ {
+ if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_NONE,
+ &attset))
+ ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 100);
+ }
+ return p;
+}
+
/**
* search_term: Parse CCL search term.
* cclp: CCL Parser
int and_list = 0;
int auto_group = 0;
int or_list = 0;
- char *attset;
const char **truncation_aliases;
const char *t_default[2];
const char **mask_aliases;
or_list = 1;
while (1)
{
- struct ccl_rpn_node *p;
+ struct ccl_rpn_node *p = 0;
size_t no, i;
+ int len = 0;
int is_phrase = 0;
int is_ccl_masked = 0;
- int relation_value = -1;
- int position_value = -1;
- int structure_value = -1;
- int truncation_value = -1;
- int completeness_value = -1;
- int len = 0;
- int left_trunc = 0;
- int right_trunc = 0;
- int regex_trunc = 0;
- int z3958_trunc = 0;
size_t max = 200;
if (and_list || or_list || !multi)
max = 1;
if (len == 0)
break; /* no more terms . stop . */
- /* create the term node, but wait a moment before adding the term */
- p = ccl_rpn_node_create(CCL_RPN_TERM);
- p->u.t.attr_list = NULL;
- p->u.t.term = NULL;
- if (qa && qa[0])
- {
- const char *n = ccl_qual_get_name(qa[0]);
- if (n)
- p->u.t.qual = xstrdup(n);
- }
-
/* go through all attributes and add them to the attribute list */
- for (i=0; qa && qa[i]; i++)
+ for (i = 0; qa && qa[i]; i++)
{
struct ccl_rpn_attr *attr;
for (attr = ccl_qual_get_attr(qa[i]); attr; attr = attr->next)
- switch(attr->kind)
+ if (attr->type == 1)
{
- case CCL_RPN_ATTR_STRING:
- ccl_add_attr_string(p, attr->set, attr->type,
- attr->value.str);
- break;
- case CCL_RPN_ATTR_NUMERIC:
- if (attr->value.numeric > 0)
- { /* deal only with REAL attributes (positive) */
- switch (attr->type)
- {
- case CCL_BIB1_REL:
- if (relation_value != -1)
- continue;
- relation_value = attr->value.numeric;
- break;
- case CCL_BIB1_POS:
- if (position_value != -1)
- continue;
- position_value = attr->value.numeric;
- break;
- case CCL_BIB1_STR:
- if (structure_value != -1)
- continue;
- structure_value = attr->value.numeric;
- break;
- case CCL_BIB1_TRU:
- if (truncation_value != -1)
- continue;
- truncation_value = attr->value.numeric;
- break;
- case CCL_BIB1_COM:
- if (completeness_value != -1)
- continue;
- completeness_value = attr->value.numeric;
- break;
- }
- ccl_add_attr_numeric(p, attr->set, attr->type,
- attr->value.numeric);
+ struct ccl_rpn_node *tmp2;
+ tmp2 = ccl_term_one_use(cclp, attr, qa, no, len,
+ truncation_aliases, mask_aliases,
+ is_phrase, is_ccl_masked,
+ auto_group);
+ if (!tmp2)
+ {
+ ccl_rpn_delete(p);
+ return 0;
+ }
+ if (!p)
+ p = tmp2;
+ else
+ {
+ struct ccl_rpn_node *tmp1;
+ tmp1 = ccl_rpn_node_create(CCL_RPN_OR);
+ tmp1->u.p[0] = p;
+ tmp1->u.p[1] = tmp2;
+ p = tmp1;
}
}
}
- attset = 0;
- if (structure_value == -1 && (
- auto_group ||
- qual_val_type(qa, CCL_BIB1_STR, CCL_BIB1_STR_WP, &attset))
- )
- {
- if (!is_phrase)
- ccl_add_attr_numeric(p, attset, CCL_BIB1_STR, 2);
- else
- ccl_add_attr_numeric(p, attset, CCL_BIB1_STR, 1);
- }
-
- if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_REGEX,
- &attset))
+ if (!p)
{
- if (is_ccl_masked)
- regex_trunc = 1; /* regex trunc (102) allowed */
- }
- else if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_Z3958,
- &attset))
- {
- if (is_ccl_masked)
- z3958_trunc = 1; /* Z39.58 trunc (CCL) trunc allowed */
+ p = ccl_term_one_use(cclp, 0 /* attr: no use */, qa, no, len,
+ truncation_aliases, mask_aliases,
+ is_phrase, is_ccl_masked, auto_group);
+ if (!p)
+ return 0;
}
-
- /* make the RPN token */
- p->u.t.term = (char *)xmalloc(len * 2 + 2);
- ccl_assert(p->u.t.term);
- p->u.t.term[0] = '\0';
- for (i = 0; i<no; i++)
- {
- const char *src_str = cclp->look_token->name;
- size_t src_len = cclp->look_token->len;
-
- if (p->u.t.term[0] && cclp->look_token->ws_prefix_len)
- {
- strxcat(p->u.t.term, cclp->look_token->ws_prefix_buf,
- cclp->look_token->ws_prefix_len);
- }
- if (append_term(cclp, src_str, src_len, p->u.t.term, regex_trunc,
- z3958_trunc, truncation_aliases, mask_aliases,
- i == 0, i == no - 1,
- &left_trunc, &right_trunc))
- {
- ccl_rpn_delete(p);
- return NULL;
- }
+ for (i = 0; i < no; i++)
ADVANCE;
- }
/* make the top node point to us.. */
if (p_top)
{
else
p_top = p;
-
- if (left_trunc && right_trunc)
- {
- if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_BOTH,
- &attset))
- {
- cclp->error_code = CCL_ERR_TRUNC_NOT_BOTH;
- ccl_rpn_delete(p);
- return NULL;
- }
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 3);
- }
- else if (right_trunc)
- {
- if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_RIGHT,
- &attset))
- {
- cclp->error_code = CCL_ERR_TRUNC_NOT_RIGHT;
- ccl_rpn_delete(p);
- return NULL;
- }
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 1);
- }
- else if (left_trunc)
- {
- if (!qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_LEFT,
- &attset))
- {
- cclp->error_code = CCL_ERR_TRUNC_NOT_LEFT;
- ccl_rpn_delete(p);
- return NULL;
- }
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 2);
- }
- else if (regex_trunc)
- {
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 102);
- }
- else if (z3958_trunc)
- {
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 104);
- }
- else
- {
- if (qual_val_type(qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_NONE,
- &attset))
- ccl_add_attr_numeric(p, attset, CCL_BIB1_TRU, 100);
- }
if (!multi)
break;
}
projects / yaz-moved-to-github.git / blobdiff