index f1baea644a4c2f2b2ee16e18ecc3d531f0e4f723..e1e03961fc5e3e7760865c0d6e1e7805a7215c4f 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
#include <limits.h>
#include <limits.h>
-/*
- * private data types
- */
-
-typedef struct {
- sdb_store_matcher_t *m;
- sdb_store_matcher_t *filter;
- sdb_store_lookup_cb cb;
- void *user_data;
-} scan_iter_data_t;
-
-/*
- * private helper functions
- */
-
static int
static int
-scan_iter(sdb_store_obj_t *obj, void *user_data)
+expr_eval2(sdb_store_expr_t *e1, sdb_data_t *v1,
+ sdb_store_expr_t *e2, sdb_data_t *v2,
+ sdb_store_obj_t *obj, sdb_store_matcher_t *filter)
{
{
- scan_iter_data_t *d = user_data;
-
- if (sdb_store_matcher_matches(d->m, obj, d->filter))
- return d->cb(obj, d->user_data);
+ if (e1->type) {
+ if (sdb_store_expr_eval(e1, obj, v1, filter))
+ return -1;
+ }
+ else
+ *v1 = e1->data;
+ if (e2->type) {
+ if (sdb_store_expr_eval(e2, obj, v2, filter)) {
+ if (e1->type)
+ sdb_data_free_datum(v1);
+ return -1;
+ }
+ }
+ else
+ *v2 = e2->data;
return 0;
return 0;
-} /* scan_iter */
+} /* expr_eval2 */
-static sdb_attribute_t *
-attr_get(sdb_host_t *host, const char *name, sdb_store_matcher_t *filter)
+static void
+expr_free_datum2(sdb_store_expr_t *e1, sdb_data_t *v1,
+ sdb_store_expr_t *e2, sdb_data_t *v2)
{
{
- sdb_avltree_iter_t *iter = NULL;
- sdb_attribute_t *attr = NULL;
-
- iter = sdb_avltree_get_iter(host->attributes);
- while (sdb_avltree_iter_has_next(iter)) {
- sdb_attribute_t *a = ATTR(sdb_avltree_iter_get_next(iter));
-
- if (strcasecmp(name, SDB_OBJ(a)->name))
- continue;
-
- assert(STORE_OBJ(a)->type == SDB_ATTRIBUTE);
- attr = a;
- break;
- }
- sdb_avltree_iter_destroy(iter);
-
- if (filter && (! sdb_store_matcher_matches(filter, STORE_OBJ(attr),
- NULL)))
- return NULL;
- return attr;
-} /* attr_get */
+ if (e1->type)
+ sdb_data_free_datum(v1);
+ if (e2->type)
+ sdb_data_free_datum(v2);
+} /* expr_free_datum2 */
/*
/*
- * conditional implementations
+ * matcher implementations
*/
*/
+/*
+ * cmp_expr:
+ * Compare two values using the specified matcher operator. If strcmp_fallback
+ * is enabled, compare the string values in case of a type mismatch.
+ */
static int
static int
-attr_cmp(sdb_store_obj_t *obj, sdb_store_cond_t *cond,
- sdb_store_matcher_t *filter)
+match_cmp_value(int op, sdb_data_t *v1, sdb_data_t *v2, _Bool strcmp_fallback)
{
{
- sdb_attribute_t *attr;
- sdb_data_t value = SDB_DATA_INIT;
int status;
int status;
- if (obj->type != SDB_HOST)
- return INT_MAX;
-
- if (sdb_store_expr_eval(ATTR_C(cond)->expr, obj, &value, filter))
- return INT_MAX;
-
- attr = attr_get(HOST(obj), ATTR_C(cond)->name, filter);
- if (! attr)
+ if (sdb_data_isnull(v1) || (sdb_data_isnull(v2)))
+ status = INT_MAX;
+ else if (v1->type == v2->type)
+ status = sdb_data_cmp(v1, v2);
+ else if (! strcmp_fallback)
status = INT_MAX;
status = INT_MAX;
- else if (attr->value.type != value.type)
- status = sdb_data_strcmp(&attr->value, &value);
else
else
- status = sdb_data_cmp(&attr->value, &value);
- sdb_data_free_datum(&value);
- return status;
-} /* attr_cmp */
+ status = sdb_data_strcmp(v1, v2);
+
+ if (status == INT_MAX)
+ return 0;
+ switch (op) {
+ case MATCHER_LT: return status < 0;
+ case MATCHER_LE: return status <= 0;
+ case MATCHER_EQ: return status == 0;
+ case MATCHER_NE: return status != 0;
+ case MATCHER_GE: return status >= 0;
+ case MATCHER_GT: return status > 0;
+ }
+ return 0;
+} /* match_cmp_value */
static int
static int
-obj_cmp(sdb_store_obj_t *obj, sdb_store_cond_t *cond,
- sdb_store_matcher_t *filter)
+match_regex_value(int op, sdb_data_t *v, sdb_data_t *re)
{
{
- sdb_data_t obj_value = SDB_DATA_INIT;
- sdb_data_t value = SDB_DATA_INIT;
- int status;
+ char value[sdb_data_strlen(v) + 1];
+ int status = 0;
- if (sdb_store_expr_eval(OBJ_C(cond)->expr, obj, &value, filter))
- return INT_MAX;
+ assert((op == MATCHER_REGEX)
+ || (op == MATCHER_NREGEX));
- if (OBJ_C(cond)->field == SDB_FIELD_BACKEND) {
- /* this implementation is not actually a conditional but rather checks
- * for equality (or rather, existence) only */
- size_t i;
+ if (sdb_data_isnull(v) || sdb_data_isnull(re))
+ return 0;
- if (value.type != SDB_TYPE_STRING)
- return INT_MAX;
+ if (re->type == SDB_TYPE_STRING) {
+ sdb_data_t tmp = SDB_DATA_INIT;
- status = INT_MAX;
- for (i = 0; i < obj->backends_num; ++i) {
- if (! strcasecmp(obj->backends[i], value.data.string)) {
- status = 0;
- break;
- }
- }
- sdb_data_free_datum(&value);
- return status;
- }
+ if (sdb_data_parse(re->data.string, SDB_TYPE_REGEX, &tmp))
+ return 0;
- if (sdb_store_get_field(obj, OBJ_C(cond)->field, &obj_value))
- return INT_MAX;
- if (obj_value.type != value.type) {
- sdb_data_free_datum(&obj_value);
- sdb_data_free_datum(&value);
- return INT_MAX;
+ sdb_data_free_datum(re);
+ *re = tmp;
}
}
+ else if (re->type != SDB_TYPE_REGEX)
+ return 0;
- status = sdb_data_cmp(&obj_value, &value);
- sdb_data_free_datum(&obj_value);
- sdb_data_free_datum(&value);
- return status;
-} /* obj_cmp */
+ if (sdb_data_format(v, value, sizeof(value), SDB_UNQUOTED) < 0)
+ status = 0;
+ else if (! regexec(&re->data.re.regex, value, 0, NULL, 0))
+ status = 1;
-/*
- * matcher implementations
- */
+ if (op == MATCHER_NREGEX)
+ return !status;
+ return status;
+} /* match_regex_value */
static int
static int
-match_string(string_matcher_t *m, const char *name)
+match_value(int op, sdb_data_t *v1, sdb_data_t *v2, _Bool strcmp_fallback)
{
{
- if ((! m->name) && (! m->name_re))
- return 1;
-
- if (! name)
- name = "";
-
- if (m->name && strcasecmp(m->name, name))
- return 0;
- if (m->name_re && regexec(m->name_re, name,
- /* matches */ 0, NULL, /* flags = */ 0))
- return 0;
- return 1;
-} /* match_string */
+ if ((op == MATCHER_REGEX) || (op == MATCHER_NREGEX))
+ return match_regex_value(op, v1, v2);
+ return match_cmp_value(op, v1, v2, strcmp_fallback);
+} /* match_value */
static int
match_logical(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
static int
match_logical(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
return !sdb_store_matcher_matches(UOP_M(m)->op, obj, filter);
} /* match_unary */
return !sdb_store_matcher_matches(UOP_M(m)->op, obj, filter);
} /* match_unary */
+/* iterate arrays: ANY/ALL <array> <cmp> <value> */
static int
static int
-match_name(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_iter_array(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
sdb_store_matcher_t *filter)
{
- sdb_avltree_iter_t *iter = NULL;
- int status = 0;
+ sdb_store_expr_t *e1, *e2;
+ sdb_data_t v1 = SDB_DATA_INIT;
+ sdb_data_t v2 = SDB_DATA_INIT;
- assert(m->type == MATCHER_NAME);
+ int status;
- if (obj->type == NAME_M(m)->obj_type)
- return match_string(&NAME_M(m)->name, SDB_OBJ(obj)->name);
- else if (obj->type != SDB_HOST)
+ if ((ITER_M(m)->m->type < MATCHER_LT)
+ || (MATCHER_NREGEX < ITER_M(m)->m->type))
return 0;
return 0;
- switch (NAME_M(m)->obj_type) {
- case SDB_SERVICE:
- iter = sdb_avltree_get_iter(HOST(obj)->services);
- break;
- case SDB_METRIC:
- iter = sdb_avltree_get_iter(HOST(obj)->metrics);
- break;
- case SDB_ATTRIBUTE:
- iter = sdb_avltree_get_iter(HOST(obj)->attributes);
- break;
- }
-
- while (sdb_avltree_iter_has_next(iter)) {
- sdb_object_t *child = sdb_avltree_iter_get_next(iter);
- if (filter && (! sdb_store_matcher_matches(filter, STORE_OBJ(child),
- NULL)))
- continue;
- if (match_string(&NAME_M(m)->name, child->name)) {
- status = 1;
- break;
- }
- }
- sdb_avltree_iter_destroy(iter);
- return status;
-} /* match_name */
+ e1 = CMP_M(ITER_M(m)->m)->left;
+ e2 = CMP_M(ITER_M(m)->m)->right;
-static int
-match_attr(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- sdb_attribute_t *attr;
+ if (expr_eval2(e1, &v1, e2, &v2, obj, filter))
+ return 0;
- assert(m->type == MATCHER_ATTR);
- assert(ATTR_M(m)->name);
+ if ((! (v1.type & SDB_TYPE_ARRAY)) || (v2.type & SDB_TYPE_ARRAY))
+ status = 0;
+ else if (sdb_data_isnull(&v1) || (sdb_data_isnull(&v2)))
+ status = 0;
+ else {
+ size_t i;
+ int all = (int)(m->type == MATCHER_ALL);
- if (obj->type != SDB_HOST)
- return 0;
+ status = all;
+ for (i = 0; i < v1.data.array.length; ++i) {
+ sdb_data_t v = SDB_DATA_INIT;
+ if (sdb_data_array_get(&v1, i, &v)) {
+ status = 0;
+ break;
+ }
- attr = attr_get(HOST(obj), ATTR_M(m)->name, filter);
- if (attr) {
- char buf[sdb_data_strlen(&attr->value) + 1];
- if (sdb_data_format(&attr->value, buf, sizeof(buf), SDB_UNQUOTED) <= 0)
- return 0;
- if (match_string(&ATTR_M(m)->value, buf))
- return 1;
+ if (match_value(ITER_M(m)->m->type, &v, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0))) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ }
+ else if (all) {
+ status = 0;
+ break;
+ }
+ }
}
}
- return 0;
-} /* match_attr */
+
+ expr_free_datum2(e1, &v1, e2, &v2);
+ return status;
+} /* match_iter_array */
static int
static int
-match_child(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_iter(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
sdb_avltree_iter_t *iter = NULL;
sdb_store_matcher_t *filter)
{
sdb_avltree_iter_t *iter = NULL;
- int status = 0;
+ int status;
+ int all = (int)(m->type == MATCHER_ALL);
- assert((m->type == MATCHER_SERVICE)
- || (m->type == MATCHER_METRIC)
- || (m->type == MATCHER_ATTRIBUTE));
+ assert((m->type == MATCHER_ANY) || (m->type == MATCHER_ALL));
- /* TODO: support all object types */
- if (obj->type != SDB_HOST)
- return 0;
+ if (ITER_M(m)->type == SDB_FIELD_BACKEND)
+ return match_iter_array(m, obj, filter);
- if (m->type == MATCHER_SERVICE)
- iter = sdb_avltree_get_iter(HOST(obj)->services);
- else if (m->type == MATCHER_METRIC)
- iter = sdb_avltree_get_iter(HOST(obj)->metrics);
- else if (m->type == SDB_ATTRIBUTE)
- iter = sdb_avltree_get_iter(HOST(obj)->attributes);
+ if (obj->type == SDB_HOST) {
+ if (ITER_M(m)->type == SDB_SERVICE)
+ iter = sdb_avltree_get_iter(HOST(obj)->services);
+ else if (ITER_M(m)->type == SDB_METRIC)
+ iter = sdb_avltree_get_iter(HOST(obj)->metrics);
+ else if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(HOST(obj)->attributes);
+ } else if (obj->type == SDB_SERVICE) {
+ if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(SVC(obj)->attributes);
+ } else if (obj->type == SDB_METRIC) {
+ if (ITER_M(m)->type == SDB_ATTRIBUTE)
+ iter = sdb_avltree_get_iter(METRIC(obj)->attributes);
+ }
+ status = all;
while (sdb_avltree_iter_has_next(iter)) {
while (sdb_avltree_iter_has_next(iter)) {
- sdb_object_t *child = sdb_avltree_iter_get_next(iter);
- if (filter && (! sdb_store_matcher_matches(filter,
- STORE_OBJ(child), NULL)))
+ sdb_store_obj_t *child = STORE_OBJ(sdb_avltree_iter_get_next(iter));
+ if (filter && (! sdb_store_matcher_matches(filter, child, NULL)))
continue;
continue;
- if (sdb_store_matcher_matches(CHILD_M(m)->m, obj, filter)) {
- status = 1;
+ if (sdb_store_matcher_matches(ITER_M(m)->m, child, filter)) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ } else if (all) {
+ status = 0;
break;
}
}
sdb_avltree_iter_destroy(iter);
return status;
break;
}
}
sdb_avltree_iter_destroy(iter);
return status;
-} /* match_child */
-
-static int
-match_lt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_LT);
- status = COND_M(m)->cond->cmp(obj, COND_M(m)->cond, filter);
- return (status != INT_MAX) && (status < 0);
-} /* match_lt */
-
-static int
-match_le(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_LE);
- status = COND_M(m)->cond->cmp(obj, COND_M(m)->cond, filter);
- return (status != INT_MAX) && (status <= 0);
-} /* match_le */
-
-static int
-match_eq(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_EQ);
- status = COND_M(m)->cond->cmp(obj, COND_M(m)->cond, filter);
- return (status != INT_MAX) && (! status);
-} /* match_eq */
-
-static int
-match_ge(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_GE);
- status = COND_M(m)->cond->cmp(obj, COND_M(m)->cond, filter);
- return (status != INT_MAX) && (status >= 0);
-} /* match_ge */
+} /* match_iter */
static int
static int
-match_gt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_cmp(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
sdb_store_matcher_t *filter)
{
- int status;
- assert(m->type == MATCHER_GT);
- status = COND_M(m)->cond->cmp(obj, COND_M(m)->cond, filter);
- return (status != INT_MAX) && (status > 0);
-} /* match_gt */
-
-/*
- * cmp_expr:
- * Compare the values of two expressions when evaluating them using the
- * specified stored object and filter. Returns a value less than, equal to, or
- * greater than zero if the value of the first expression compares less than,
- * equal to, or greater than the value of the second expression. Returns
- * INT_MAX if any of the expressions could not be evaluated or if any of them
- * evaluated to NULL.
- */
-static int
-cmp_expr(sdb_store_expr_t *e1, sdb_store_expr_t *e2,
- sdb_store_obj_t *obj, sdb_store_matcher_t *filter)
-{
+ sdb_store_expr_t *e1 = CMP_M(m)->left;
+ sdb_store_expr_t *e2 = CMP_M(m)->right;
sdb_data_t v1 = SDB_DATA_INIT, v2 = SDB_DATA_INIT;
int status;
sdb_data_t v1 = SDB_DATA_INIT, v2 = SDB_DATA_INIT;
int status;
- if (sdb_store_expr_eval(e1, obj, &v1, filter))
- return INT_MAX;
- if (sdb_store_expr_eval(e2, obj, &v2, filter)) {
- sdb_data_free_datum(&v1);
- return INT_MAX;
- }
-
- if (sdb_data_isnull(&v1) || (sdb_data_isnull(&v2)))
- status = INT_MAX;
- else if (v1.type == v2.type)
- status = sdb_data_cmp(&v1, &v2);
- else
- status = sdb_data_strcmp(&v1, &v2);
-
- sdb_data_free_datum(&v1);
- sdb_data_free_datum(&v2);
- return status;
-} /* cmp_expr */
-
-static int
-match_cmp_lt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_LT);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && (status < 0);
-} /* match_cmp_lt */
-
-static int
-match_cmp_le(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_LE);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && (status <= 0);
-} /* match_cmp_le */
+ assert((m->type == MATCHER_LT)
+ || (m->type == MATCHER_LE)
+ || (m->type == MATCHER_EQ)
+ || (m->type == MATCHER_NE)
+ || (m->type == MATCHER_GE)
+ || (m->type == MATCHER_GT));
-static int
-match_cmp_eq(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_EQ);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && (! status);
-} /* match_cmp_eq */
-
-static int
-match_cmp_ne(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_NE);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && status;
-} /* match_cmp_ne */
+ if (expr_eval2(e1, &v1, e2, &v2, obj, filter))
+ return 0;
-static int
-match_cmp_ge(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_GE);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && (status >= 0);
-} /* match_cmp_ge */
+ status = match_cmp_value(m->type, &v1, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0));
-static int
-match_cmp_gt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- int status;
- assert(m->type == MATCHER_CMP_GT);
- status = cmp_expr(CMP_M(m)->left, CMP_M(m)->right, obj, filter);
- return (status != INT_MAX) && (status > 0);
-} /* match_cmp_gt */
+ expr_free_datum2(e1, &v1, e2, &v2);
+ return status;
+} /* match_cmp */
static int
match_in(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
static int
match_in(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
assert(m->type == MATCHER_IN);
assert(m->type == MATCHER_IN);
- if ((sdb_store_expr_eval(CMP_M(m)->left, obj, &value, filter))
- || (sdb_store_expr_eval(CMP_M(m)->right, obj, &array, filter)))
+ if (expr_eval2(CMP_M(m)->left, &value,
+ CMP_M(m)->right, &array, obj, filter))
status = 0;
if (status)
status = sdb_data_inarray(&value, &array);
status = 0;
if (status)
status = sdb_data_inarray(&value, &array);
- sdb_data_free_datum(&value);
- sdb_data_free_datum(&array);
+ expr_free_datum2(CMP_M(m)->left, &value, CMP_M(m)->right, &array);
return status;
} /* match_in */
return status;
} /* match_in */
match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
- sdb_data_t v = SDB_DATA_INIT;
+ sdb_data_t regex = SDB_DATA_INIT, v = SDB_DATA_INIT;
int status = 0;
int status = 0;
- regex_t regex;
- _Bool free_regex = 0;
-
assert((m->type == MATCHER_REGEX)
|| (m->type == MATCHER_NREGEX));
assert((m->type == MATCHER_REGEX)
|| (m->type == MATCHER_NREGEX));
- if (! CMP_M(m)->right->type) {
- assert(CMP_M(m)->right->data.type == SDB_TYPE_REGEX);
- regex = CMP_M(m)->right->data.data.re.regex;
- }
- else {
- sdb_data_t tmp = SDB_DATA_INIT;
- char *raw;
-
- if (sdb_store_expr_eval(CMP_M(m)->right, obj, &tmp, filter))
- return 0;
-
- if (tmp.type != SDB_TYPE_STRING) {
- sdb_data_free_datum(&tmp);
- return 0;
- }
-
- raw = tmp.data.string;
- if (sdb_data_parse(raw, SDB_TYPE_REGEX, &tmp)) {
- free(raw);
- return 0;
- }
-
- regex = tmp.data.re.regex;
- free_regex = 1;
- free(tmp.data.re.raw);
- free(raw);
- }
+ if (expr_eval2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex, obj, filter))
+ return 0;
- if (sdb_store_expr_eval(CMP_M(m)->left, obj, &v, filter))
- status = 0;
- else {
- char value[sdb_data_strlen(&v) + 1];
- if (sdb_data_format(&v, value, sizeof(value), SDB_UNQUOTED) < 0)
- status = 0;
- else if (! regexec(®ex, value, 0, NULL, 0))
- status = 1;
- }
+ status = match_regex_value(m->type, &v, ®ex);
- if (free_regex)
- regfree(®ex);
- sdb_data_free_datum(&v);
- if (m->type == MATCHER_NREGEX)
- return !status;
+ expr_free_datum2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex);
return status;
} /* match_regex */
return status;
} /* match_regex */
assert((m->type == MATCHER_ISNULL) || (m->type == MATCHER_ISNNULL));
assert((m->type == MATCHER_ISNULL) || (m->type == MATCHER_ISNNULL));
- /* TODO: this might hide real errors;
- * improve error reporting and propagation */
- if (sdb_store_expr_eval(ISNULL_M(m)->expr, obj, &v, filter)
- || sdb_data_isnull(&v))
+ if (ISNULL_M(m)->expr->type) {
+ /* TODO: this might hide real errors;
+ * improve error reporting and propagation */
+ if (sdb_store_expr_eval(ISNULL_M(m)->expr, obj, &v, filter))
+ return 1;
+ }
+ else
+ v = ISNULL_M(m)->expr->data;
+
+ if (sdb_data_isnull(&v))
status = 1;
else
status = 0;
status = 1;
else
status = 0;
- sdb_data_free_datum(&v);
+ if (ISNULL_M(m)->expr->type)
+ sdb_data_free_datum(&v);
if (m->type == MATCHER_ISNNULL)
return !status;
return status;
if (m->type == MATCHER_ISNNULL)
return !status;
return status;
match_logical,
match_logical,
match_unary,
match_logical,
match_logical,
match_unary,
- match_name,
- match_attr,
- match_child,
- match_child,
- match_child,
- match_lt,
- match_le,
- match_eq,
- match_ge,
- match_gt,
- match_cmp_lt,
- match_cmp_le,
- match_cmp_eq,
- match_cmp_ne,
- match_cmp_ge,
- match_cmp_gt,
+ match_iter,
+ match_iter,
match_in,
match_in,
- match_regex,
- match_regex,
+
+ /* unary operators */
match_isnull,
match_isnull,
match_isnull,
match_isnull,
-};
-
-/*
- * private conditional types
- */
-
-static int
-attr_cond_init(sdb_object_t *obj, va_list ap)
-{
- const char *name = va_arg(ap, const char *);
- sdb_store_expr_t *expr = va_arg(ap, sdb_store_expr_t *);
-
- if (! name)
- return -1;
-
- SDB_STORE_COND(obj)->cmp = attr_cmp;
-
- ATTR_C(obj)->name = strdup(name);
- if (! ATTR_C(obj)->name)
- return -1;
- ATTR_C(obj)->expr = expr;
- sdb_object_ref(SDB_OBJ(expr));
- return 0;
-} /* attr_cond_init */
-
-static void
-attr_cond_destroy(sdb_object_t *obj)
-{
- if (ATTR_C(obj)->name)
- free(ATTR_C(obj)->name);
- sdb_object_deref(SDB_OBJ(ATTR_C(obj)->expr));
-} /* attr_cond_destroy */
-
-static sdb_type_t attr_cond_type = {
- /* size = */ sizeof(attr_cond_t),
- /* init = */ attr_cond_init,
- /* destroy = */ attr_cond_destroy,
-};
-static int
-obj_cond_init(sdb_object_t *obj, va_list ap)
-{
- int field = va_arg(ap, int);
- sdb_store_expr_t *expr = va_arg(ap, sdb_store_expr_t *);
-
- SDB_STORE_COND(obj)->cmp = obj_cmp;
-
- OBJ_C(obj)->field = field;
- OBJ_C(obj)->expr = expr;
- sdb_object_ref(SDB_OBJ(expr));
- return 0;
-} /* obj_cond_init */
-
-static void
-obj_cond_destroy(sdb_object_t *obj)
-{
- sdb_object_deref(SDB_OBJ(OBJ_C(obj)->expr));
-} /* obj_cond_destroy */
-
-static sdb_type_t obj_cond_type = {
- /* size = */ sizeof(obj_cond_t),
- /* init = */ obj_cond_init,
- /* destroy = */ obj_cond_destroy,
+ /* ary operators */
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_regex,
+ match_regex,
};
/*
* private matcher types
*/
};
/*
* private matcher types
*/
-/* initializes a string matcher consuming two elements from ap */
-static int
-string_matcher_init(string_matcher_t *m, va_list ap)
-{
- const char *name = va_arg(ap, const char *);
- const char *name_re = va_arg(ap, const char *);
-
- if (name) {
- m->name = strdup(name);
- if (! m->name)
- return -1;
- }
- if (name_re) {
- m->name_re = malloc(sizeof(*m->name_re));
- if (! m->name_re)
- return -1;
- if (regcomp(m->name_re, name_re, REG_EXTENDED | REG_ICASE | REG_NOSUB))
- return -1;
- }
- return 0;
-} /* string_matcher_init */
-
-static void
-string_matcher_destroy(string_matcher_t *m)
-{
- if (m->name)
- free(m->name);
- if (m->name_re) {
- regfree(m->name_re);
- free(m->name_re);
- }
-} /* string_matcher_destroy */
-
-/* initializes a name matcher */
-static int
-name_matcher_init(sdb_object_t *obj, va_list ap)
-{
- name_matcher_t *m = NAME_M(obj);
- M(obj)->type = MATCHER_NAME;
- return string_matcher_init(&m->name, ap);
-} /* name_matcher_init */
-
-static void
-name_matcher_destroy(sdb_object_t *obj)
-{
- name_matcher_t *m = NAME_M(obj);
- string_matcher_destroy(&m->name);
-} /* name_matcher_destroy */
-
-static int
-attr_matcher_init(sdb_object_t *obj, va_list ap)
-{
- attr_matcher_t *attr = ATTR_M(obj);
- const char *name = va_arg(ap, const char *);
-
- M(obj)->type = MATCHER_ATTR;
- if (name) {
- attr->name = strdup(name);
- if (! attr->name)
- return -1;
- }
- return string_matcher_init(&attr->value, ap);
-} /* attr_matcher_init */
-
-static void
-attr_matcher_destroy(sdb_object_t *obj)
-{
- attr_matcher_t *attr = ATTR_M(obj);
- if (attr->name)
- free(attr->name);
- attr->name = NULL;
- string_matcher_destroy(&attr->value);
-} /* attr_matcher_destroy */
-
-static int
-cond_matcher_init(sdb_object_t *obj, va_list ap)
-{
- int type = va_arg(ap, int);
- sdb_store_cond_t *cond = va_arg(ap, sdb_store_cond_t *);
-
- if (! cond)
- return -1;
-
- sdb_object_ref(SDB_OBJ(cond));
-
- M(obj)->type = type;
- COND_M(obj)->cond = cond;
- return 0;
-} /* cond_matcher_init */
-
-static void
-cond_matcher_destroy(sdb_object_t *obj)
-{
- sdb_object_deref(SDB_OBJ(COND_M(obj)->cond));
-} /* cond_matcher_destroy */
-
static int
op_matcher_init(sdb_object_t *obj, va_list ap)
{
static int
op_matcher_init(sdb_object_t *obj, va_list ap)
{
} /* op_matcher_destroy */
static int
} /* op_matcher_destroy */
static int
-child_matcher_init(sdb_object_t *obj, va_list ap)
+iter_matcher_init(sdb_object_t *obj, va_list ap)
{
M(obj)->type = va_arg(ap, int);
{
M(obj)->type = va_arg(ap, int);
- CHILD_M(obj)->m = va_arg(ap, sdb_store_matcher_t *);
+ ITER_M(obj)->type = va_arg(ap, int);
+ ITER_M(obj)->m = va_arg(ap, sdb_store_matcher_t *);
- if (! CHILD_M(obj)->m)
+ if (! ITER_M(obj)->m)
return -1;
return -1;
- sdb_object_ref(SDB_OBJ(CHILD_M(obj)->m));
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->m));
return 0;
return 0;
-} /* child_matcher_init */
+} /* iter_matcher_init */
static void
static void
-child_matcher_destroy(sdb_object_t *obj)
+iter_matcher_destroy(sdb_object_t *obj)
{
{
- sdb_object_deref(SDB_OBJ(CHILD_M(obj)->m));
-} /* child_matcher_destroy */
+ sdb_object_deref(SDB_OBJ(ITER_M(obj)->m));
+} /* iter_matcher_destroy */
static int
cmp_matcher_init(sdb_object_t *obj, va_list ap)
static int
cmp_matcher_init(sdb_object_t *obj, va_list ap)
ISNULL_M(obj)->expr = NULL;
} /* isnull_matcher_destroy */
ISNULL_M(obj)->expr = NULL;
} /* isnull_matcher_destroy */
-static sdb_type_t name_type = {
- /* size = */ sizeof(name_matcher_t),
- /* init = */ name_matcher_init,
- /* destroy = */ name_matcher_destroy,
-};
-
-static sdb_type_t attr_type = {
- /* size = */ sizeof(attr_matcher_t),
- /* init = */ attr_matcher_init,
- /* destroy = */ attr_matcher_destroy,
-};
-
-static sdb_type_t cond_type = {
- /* size = */ sizeof(cond_matcher_t),
- /* init = */ cond_matcher_init,
- /* destroy = */ cond_matcher_destroy,
-};
-
static sdb_type_t op_type = {
/* size = */ sizeof(op_matcher_t),
/* init = */ op_matcher_init,
static sdb_type_t op_type = {
/* size = */ sizeof(op_matcher_t),
/* init = */ op_matcher_init,
/* destroy = */ uop_matcher_destroy,
};
/* destroy = */ uop_matcher_destroy,
};
-static sdb_type_t child_type = {
- /* size = */ sizeof(child_matcher_t),
- /* init = */ child_matcher_init,
- /* destroy = */ child_matcher_destroy,
+static sdb_type_t iter_type = {
+ /* size = */ sizeof(iter_matcher_t),
+ /* init = */ iter_matcher_init,
+ /* destroy = */ iter_matcher_destroy,
};
static sdb_type_t cmp_type = {
};
static sdb_type_t cmp_type = {
* public API
*/
* public API
*/
-sdb_store_cond_t *
-sdb_store_attr_cond(const char *name, sdb_store_expr_t *expr)
-{
- return SDB_STORE_COND(sdb_object_create("attr-cond", attr_cond_type,
- name, expr));
-} /* sdb_store_attr_cond */
-
-sdb_store_cond_t *
-sdb_store_obj_cond(int field, sdb_store_expr_t *expr)
-{
- return SDB_STORE_COND(sdb_object_create("obj-cond", obj_cond_type,
- field, expr));
-} /* sdb_store_obj_cond */
-
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_name_matcher(int type, const char *name, _Bool re)
+sdb_store_any_matcher(int type, sdb_store_matcher_t *m)
{
{
- sdb_store_matcher_t *m;
-
- if (re)
- m = M(sdb_object_create("name-matcher", name_type, NULL, name));
- else
- m = M(sdb_object_create("name-matcher", name_type, name, NULL));
-
- if (! m)
- return NULL;
-
- NAME_M(m)->obj_type = type;
- return m;
-} /* sdb_store_name_matcher */
-
-sdb_store_matcher_t *
-sdb_store_attr_matcher(const char *name, const char *value, _Bool re)
-{
- sdb_store_matcher_t *m;
-
- if (! name)
+ if ((type != SDB_SERVICE) && (type != SDB_METRIC)
+ && (type != SDB_ATTRIBUTE) && (type != SDB_FIELD_BACKEND))
return NULL;
return NULL;
-
- if (re)
- m = M(sdb_object_create("attr-matcher", attr_type,
- name, NULL, value));
- else
- m = M(sdb_object_create("attr-matcher", attr_type,
- name, value, NULL));
- return m;
-} /* sdb_store_attr_matcher */
+ return M(sdb_object_create("any-matcher", iter_type,
+ MATCHER_ANY, type, m));
+} /* sdb_store_any_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_child_matcher(int type, sdb_store_matcher_t *m)
+sdb_store_all_matcher(int type, sdb_store_matcher_t *m)
{
{
- if (type == SDB_SERVICE)
- type = MATCHER_SERVICE;
- else if (type == SDB_METRIC)
- type = MATCHER_METRIC;
- else if (type == SDB_ATTRIBUTE)
- type = MATCHER_ATTRIBUTE;
- else
+ if ((type != SDB_SERVICE) && (type != SDB_METRIC)
+ && (type != SDB_ATTRIBUTE) && (type != SDB_FIELD_BACKEND))
return NULL;
return NULL;
- return M(sdb_object_create("any-matcher", child_type, type, m));
-} /* sdb_store_child_matcher */
-
-sdb_store_matcher_t *
-sdb_store_lt_matcher(sdb_store_cond_t *cond)
-{
- return M(sdb_object_create("lt-matcher", cond_type,
- MATCHER_LT, cond));
-} /* sdb_store_lt_matcher */
-
-sdb_store_matcher_t *
-sdb_store_le_matcher(sdb_store_cond_t *cond)
-{
- return M(sdb_object_create("le-matcher", cond_type,
- MATCHER_LE, cond));
-} /* sdb_store_le_matcher */
-
-sdb_store_matcher_t *
-sdb_store_eq_matcher(sdb_store_cond_t *cond)
-{
- return M(sdb_object_create("eq-matcher", cond_type,
- MATCHER_EQ, cond));
-} /* sdb_store_eq_matcher */
-
-sdb_store_matcher_t *
-sdb_store_ge_matcher(sdb_store_cond_t *cond)
-{
- return M(sdb_object_create("ge-matcher", cond_type,
- MATCHER_GE, cond));
-} /* sdb_store_ge_matcher */
-
-sdb_store_matcher_t *
-sdb_store_gt_matcher(sdb_store_cond_t *cond)
-{
- return M(sdb_object_create("gt-matcher", cond_type,
- MATCHER_GT, cond));
-} /* sdb_store_gt_matcher */
-
-/*
- * TODO: Rename sdb_store_cmp_* to sdb_store_* once the old code is unused and
- * has been removed.
- */
+ return M(sdb_object_create("all-matcher", iter_type,
+ MATCHER_ALL, type, m));
+} /* sdb_store_all_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_lt(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_lt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("lt-matcher", cmp_type,
{
return M(sdb_object_create("lt-matcher", cmp_type,
- MATCHER_CMP_LT, left, right));
-} /* sdb_store_cmp_lt */
+ MATCHER_LT, left, right));
+} /* sdb_store_lt_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_le(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_le_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("le-matcher", cmp_type,
{
return M(sdb_object_create("le-matcher", cmp_type,
- MATCHER_CMP_LE, left, right));
-} /* sdb_store_cmp_le */
+ MATCHER_LE, left, right));
+} /* sdb_store_le_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_eq(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_eq_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("eq-matcher", cmp_type,
{
return M(sdb_object_create("eq-matcher", cmp_type,
- MATCHER_CMP_EQ, left, right));
-} /* sdb_store_cmp_eq */
+ MATCHER_EQ, left, right));
+} /* sdb_store_eq_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_ne(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_ne_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("ne-matcher", cmp_type,
{
return M(sdb_object_create("ne-matcher", cmp_type,
- MATCHER_CMP_NE, left, right));
-} /* sdb_store_cmp_ne */
+ MATCHER_NE, left, right));
+} /* sdb_store_ne_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_ge(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_ge_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("ge-matcher", cmp_type,
{
return M(sdb_object_create("ge-matcher", cmp_type,
- MATCHER_CMP_GE, left, right));
-} /* sdb_store_cmp_ge */
+ MATCHER_GE, left, right));
+} /* sdb_store_ge_matcher */
sdb_store_matcher_t *
sdb_store_matcher_t *
-sdb_store_cmp_gt(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_gt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
return M(sdb_object_create("gt-matcher", cmp_type,
{
return M(sdb_object_create("gt-matcher", cmp_type,
- MATCHER_CMP_GT, left, right));
-} /* sdb_store_cmp_gt */
+ MATCHER_GT, left, right));
+} /* sdb_store_gt_matcher */
sdb_store_matcher_t *
sdb_store_in_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
sdb_store_matcher_t *
sdb_store_in_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
sdb_store_parse_matcher_op(const char *op)
{
if (! strcasecmp(op, "<"))
sdb_store_parse_matcher_op(const char *op)
{
if (! strcasecmp(op, "<"))
- return sdb_store_cmp_lt;
+ return sdb_store_lt_matcher;
else if (! strcasecmp(op, "<="))
else if (! strcasecmp(op, "<="))
- return sdb_store_cmp_le;
+ return sdb_store_le_matcher;
else if (! strcasecmp(op, "="))
else if (! strcasecmp(op, "="))
- return sdb_store_cmp_eq;
+ return sdb_store_eq_matcher;
else if (! strcasecmp(op, "!="))
else if (! strcasecmp(op, "!="))
- return sdb_store_cmp_ne;
+ return sdb_store_ne_matcher;
else if (! strcasecmp(op, ">="))
else if (! strcasecmp(op, ">="))
- return sdb_store_cmp_ge;
+ return sdb_store_ge_matcher;
else if (! strcasecmp(op, ">"))
else if (! strcasecmp(op, ">"))
- return sdb_store_cmp_gt;
+ return sdb_store_gt_matcher;
else if (! strcasecmp(op, "=~"))
return sdb_store_regex_matcher;
else if (! strcasecmp(op, "!~"))
else if (! strcasecmp(op, "=~"))
return sdb_store_regex_matcher;
else if (! strcasecmp(op, "!~"))
return NULL;
} /* sdb_store_parse_matcher_op */
return NULL;
} /* sdb_store_parse_matcher_op */
+int
+sdb_store_parse_object_type(const char *name)
+{
+ if (! strcasecmp(name, "host"))
+ return SDB_HOST;
+ else if (! strcasecmp(name, "service"))
+ return SDB_SERVICE;
+ else if (! strcasecmp(name, "metric"))
+ return SDB_METRIC;
+ else if (! strcasecmp(name, "attribute"))
+ return SDB_ATTRIBUTE;
+ return -1;
+} /* sdb_store_parse_object_type */
+
int
sdb_store_parse_object_type_plural(const char *name)
{
int
sdb_store_parse_object_type_plural(const char *name)
{
return SDB_SERVICE;
else if (! strcasecmp(name, "metrics"))
return SDB_METRIC;
return SDB_SERVICE;
else if (! strcasecmp(name, "metrics"))
return SDB_METRIC;
+ else if (! strcasecmp(name, "attributes"))
+ return SDB_ATTRIBUTE;
return -1;
} /* sdb_store_parse_object_type_plural */
return -1;
} /* sdb_store_parse_object_type_plural */
return -1;
} /* sdb_store_parse_field_name */
return -1;
} /* sdb_store_parse_field_name */
-static sdb_store_matcher_t *
-maybe_inv_matcher(sdb_store_matcher_t *m, _Bool inv)
-{
- sdb_store_matcher_t *tmp;
-
- if ((! m) || (! inv))
- return m;
-
- tmp = sdb_store_inv_matcher(m);
- /* pass ownership to the inverse matcher */
- sdb_object_deref(SDB_OBJ(m));
- return tmp;
-} /* maybe_inv_matcher */
-
-static int
-parse_cond_op(const char *op,
- sdb_store_matcher_t *(**matcher)(sdb_store_cond_t *), _Bool *inv)
-{
- *inv = 0;
- if (! strcasecmp(op, "<"))
- *matcher = sdb_store_lt_matcher;
- else if (! strcasecmp(op, "<="))
- *matcher = sdb_store_le_matcher;
- else if (! strcasecmp(op, "="))
- *matcher = sdb_store_eq_matcher;
- else if (! strcasecmp(op, ">="))
- *matcher = sdb_store_ge_matcher;
- else if (! strcasecmp(op, ">"))
- *matcher = sdb_store_gt_matcher;
- else if (! strcasecmp(op, "!=")) {
- *matcher = sdb_store_eq_matcher;
- *inv = 1;
- }
- else
- return -1;
- return 0;
-} /* parse_cond_op */
-
-static sdb_store_matcher_t *
-parse_attr_cmp(const char *attr, const char *op, sdb_store_expr_t *expr)
-{
- sdb_store_matcher_t *(*matcher)(sdb_store_cond_t *) = NULL;
- sdb_store_matcher_t *m;
- sdb_store_cond_t *cond;
- _Bool inv = 0;
-
- if (! attr)
- return NULL;
-
- if (! expr)
- return NULL;
- else if (parse_cond_op(op, &matcher, &inv))
- return NULL;
-
- cond = sdb_store_attr_cond(attr, expr);
- if (! cond)
- return NULL;
-
- m = matcher(cond);
- /* pass ownership to 'm' or destroy in case of an error */
- sdb_object_deref(SDB_OBJ(cond));
- return maybe_inv_matcher(m, inv);
-} /* parse_attr_cmp */
-
-sdb_store_matcher_t *
-sdb_store_matcher_parse_cmp(const char *obj_type, const char *attr,
- const char *op, sdb_store_expr_t *expr)
-{
- int type = -1;
- _Bool inv = 0;
- _Bool re = 0;
-
- sdb_data_t value = SDB_DATA_INIT;
- sdb_store_matcher_t *m = NULL;
-
- if (! strcasecmp(obj_type, "host"))
- type = SDB_HOST;
- else if (! strcasecmp(obj_type, "service"))
- type = SDB_SERVICE;
- else if (! strcasecmp(obj_type, "metric"))
- type = SDB_METRIC;
- else if (! strcasecmp(obj_type, "attribute"))
- type = SDB_ATTRIBUTE;
- else
- return NULL;
-
- /* XXX: this code sucks! */
- if (! strcasecmp(op, "=")) {
- /* nothing to do */
- }
- else if (! strcasecmp(op, "!=")) {
- inv = 1;
- }
- else if (! strcasecmp(op, "=~")) {
- re = 1;
- }
- else if (! strcasecmp(op, "!~")) {
- inv = 1;
- re = 1;
- }
- else if (type == SDB_ATTRIBUTE)
- return parse_attr_cmp(attr, op, expr);
- else
- return NULL;
-
- if (! expr)
- return NULL;
-
- if (sdb_store_expr_eval(expr, /* obj */ NULL, &value, /* filter */ NULL)
- || (value.type != SDB_TYPE_STRING)) {
- sdb_data_free_datum(&value);
- if (type != SDB_ATTRIBUTE)
- return NULL;
- return parse_attr_cmp(attr, op, expr);
- }
-
- if (! attr)
- m = sdb_store_name_matcher(type, value.data.string, re);
- else if (type == SDB_ATTRIBUTE)
- m = sdb_store_attr_matcher(attr, value.data.string, re);
-
- sdb_data_free_datum(&value);
- return maybe_inv_matcher(m, inv);
-} /* sdb_store_matcher_parse_cmp */
-
-sdb_store_matcher_t *
-sdb_store_matcher_parse_field_cmp(const char *name, const char *op,
- sdb_store_expr_t *expr)
-{
- sdb_store_matcher_t *(*matcher)(sdb_store_cond_t *) = NULL;
- sdb_store_matcher_t *m;
- sdb_store_cond_t *cond;
- _Bool inv = 0;
-
- int field;
-
- if (! expr)
- return NULL;
-
- field = sdb_store_parse_field_name(name);
- if (field < 0)
- return NULL;
-
- if (parse_cond_op(op, &matcher, &inv))
- return NULL;
- cond = sdb_store_obj_cond(field, expr);
- if (! cond)
- return NULL;
-
- assert(matcher);
- m = matcher(cond);
- /* pass ownership to 'm' or destroy in case of an error */
- sdb_object_deref(SDB_OBJ(cond));
- return maybe_inv_matcher(m, inv);
-} /* sdb_store_matcher_parse_field_cmp */
-
sdb_store_matcher_t *
sdb_store_dis_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right)
{
sdb_store_matcher_t *
sdb_store_dis_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right)
{
return matchers[m->type](m, obj, filter);
} /* sdb_store_matcher_matches */
return matchers[m->type](m, obj, filter);
} /* sdb_store_matcher_matches */
-int
-sdb_store_scan(sdb_store_matcher_t *m, sdb_store_matcher_t *filter,
- sdb_store_lookup_cb cb, void *user_data)
-{
- scan_iter_data_t data = { m, filter, cb, user_data };
-
- if (! cb)
- return -1;
- return sdb_store_iterate(scan_iter, &data);
-} /* sdb_store_scan */
-
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */