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index 4e777d863f2dbed1a2433da46bf27bd8e62c55e9..18a0235536e3f154128ff576cbc624c9dfa49a5f 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
#include "sysdb.h"
#include "core/store-private.h"
#include "core/object.h"
+#include "utils/error.h"
#include <assert.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
-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;
-} /* 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
-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;
- 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;
- else if (attr->value.type != value.type)
- status = sdb_data_strcmp(&attr->value, &value);
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
-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 */
-
-/*
- * matcher implementations
- */
-
-static int
-match_string(string_matcher_t *m, const char *name)
-{
- if ((! m->name) && (! m->name_re))
- return 1;
-
- if (! name)
- name = "";
+ if (! sdb_data_format(v, value, sizeof(value), SDB_UNQUOTED))
+ status = 0;
+ else if (! regexec(&re->data.re.regex, value, 0, NULL, 0))
+ status = 1;
- 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_NREGEX)
+ return !status;
+ return status;
+} /* match_regex_value */
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 */
+/* iterate: ANY/ALL <iter> <cmp> <value> */
static int
-match_name(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;
- int status = 0;
+ sdb_store_expr_iter_t *iter = NULL;
+ int status;
+ int all = (int)(m->type == MATCHER_ALL);
- assert(m->type == MATCHER_NAME);
+ assert((m->type == MATCHER_ANY) || (m->type == MATCHER_ALL));
+ assert((! CMP_M(ITER_M(m)->m)->left) && CMP_M(ITER_M(m)->m)->right);
- 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)
+ iter = sdb_store_expr_iter(ITER_M(m)->iter, obj, filter);
+ if (! iter)
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;
- }
+ status = all;
+ while (sdb_store_expr_iter_has_next(iter)) {
+ sdb_data_t v = sdb_store_expr_iter_get_next(iter);
+ sdb_store_expr_t expr = CONST_EXPR(v);
+ bool matches;
+
+ CMP_M(ITER_M(m)->m)->left = &expr;
+ matches = sdb_store_matcher_matches(ITER_M(m)->m, obj, filter);
+ CMP_M(ITER_M(m)->m)->left = NULL;
+ sdb_data_free_datum(&v);
- 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;
+ if (matches) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ } else if (all) {
+ status = 0;
break;
}
}
- sdb_avltree_iter_destroy(iter);
+ sdb_store_expr_iter_destroy(iter);
return status;
-} /* match_name */
+} /* match_iter */
static int
-match_attr(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_attribute_t *attr;
+ 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;
- assert(m->type == MATCHER_ATTR);
- assert(ATTR_M(m)->name);
+ 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));
+ assert(e1 && e2);
- if (obj->type != SDB_HOST)
+ if (expr_eval2(e1, &v1, e2, &v2, obj, filter))
return 0;
- 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;
- }
- return 0;
-} /* match_attr */
+ status = match_cmp_value(m->type, &v1, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0));
-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 */
+ expr_free_datum2(e1, &v1, e2, &v2);
+ return status;
+} /* match_cmp */
static int
-match_le(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_in(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 */
+ sdb_data_t value = SDB_DATA_INIT, array = SDB_DATA_INIT;
+ int status = 1;
-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 */
+ assert((m->type == MATCHER_IN) || (m->type == MATCHER_NIN));
+ assert(CMP_M(m)->left && CMP_M(m)->right);
-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 */
+ 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);
+
+ expr_free_datum2(CMP_M(m)->left, &value, CMP_M(m)->right, &array);
+ if (m->type == MATCHER_NIN)
+ return !status;
+ return status;
+} /* match_in */
static int
-match_gt(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
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 */
+ sdb_data_t regex = SDB_DATA_INIT, v = SDB_DATA_INIT;
+ int status = 0;
-/*
- * 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.
- */
-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_data_t v1 = SDB_DATA_INIT, v2 = SDB_DATA_INIT;
- int status;
+ assert((m->type == MATCHER_REGEX)
+ || (m->type == MATCHER_NREGEX));
+ assert(CMP_M(m)->left && CMP_M(m)->right);
- 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 (expr_eval2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex, obj, filter))
+ return 0;
- if (v1.type == v2.type)
- status = sdb_data_cmp(&v1, &v2);
- else
- status = sdb_data_strcmp(&v1, &v2);
+ status = match_regex_value(m->type, &v, ®ex);
- sdb_data_free_datum(&v1);
- sdb_data_free_datum(&v2);
+ expr_free_datum2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex);
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 */
+} /* match_regex */
static int
-match_cmp_le(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+match_isnull(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
sdb_store_matcher_t *filter)
{
+ sdb_data_t v = SDB_DATA_INIT;
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 */
-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 */
+ assert((m->type == MATCHER_ISNULL) || (m->type == MATCHER_ISNNULL));
-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 */
+ 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;
-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 */
+ if (sdb_data_isnull(&v))
+ status = 1;
+ else
+ status = 0;
-static int
-match_isnull(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
- sdb_store_matcher_t *filter)
-{
- assert(m->type == MATCHER_ISNULL);
- if (obj->type != SDB_HOST)
- return 0;
- return attr_get(HOST(obj), ISNULL_M(m)->attr_name, filter) == NULL;
+ if (ISNULL_M(m)->expr->type)
+ sdb_data_free_datum(&v);
+ if (m->type == MATCHER_ISNNULL)
+ return !status;
+ return status;
} /* match_isnull */
typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_store_obj_t *,
match_logical,
match_logical,
match_unary,
- match_name,
- match_attr,
- match_lt,
- match_le,
- match_eq,
- match_ge,
- match_gt,
- match_cmp_lt,
- match_cmp_le,
- match_cmp_eq,
- match_cmp_ge,
- match_cmp_gt,
- 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;
+ match_iter,
+ match_iter,
+ match_in,
+ match_in,
- 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 */
+ /* unary operators */
+ match_isnull,
+ match_isnull,
-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
*/
-/* 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 */
-
-static char *
-string_tostring(string_matcher_t *m, char *buf, size_t buflen)
-{
- snprintf(buf, buflen, "{ %s%s%s, %p }",
- m->name ? "'" : "", m->name ? m->name : "NULL", m->name ? "'" : "",
- m->name_re);
- return buf;
-} /* string_tostring */
-
-/* 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 char *
-name_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char name[buflen + 1];
- assert(m->type == MATCHER_NAME);
- snprintf(buf, buflen, "OBJ[%s]{ NAME%s }",
- SDB_STORE_TYPE_TO_NAME(NAME_M(m)->obj_type),
- string_tostring(&NAME_M(m)->name, name, sizeof(name)));
- return buf;
-} /* name_tostring */
-
-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 char *
-attr_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char value[buflen + 1];
-
- if (! m) {
- snprintf(buf, buflen, "ATTR{}");
- return buf;
- }
-
- assert(m->type == MATCHER_ATTR);
- snprintf(buf, buflen, "ATTR[%s]{ VALUE%s }", ATTR_M(m)->name,
- string_tostring(&ATTR_M(m)->value, value, sizeof(value)));
- return buf;
-} /* attr_tostring */
-
-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 char *
-cond_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- const char *type, *id;
- sdb_data_t value = SDB_DATA_INIT;
- char value_str[buflen];
- sdb_store_expr_t *expr;
-
- if (COND_M(m)->cond->cmp == attr_cmp) {
- type = "ATTR";
- id = ATTR_C(COND_M(m)->cond)->name;
- expr = ATTR_C(COND_M(m)->cond)->expr;
- }
- else if (COND_M(m)->cond->cmp == obj_cmp) {
- type = "OBJ";
- id = SDB_FIELD_TO_NAME(OBJ_C(COND_M(m)->cond)->field);
- expr = OBJ_C(COND_M(m)->cond)->expr;
- }
- else {
- snprintf(buf, buflen, "<unknown>");
- return buf;
- }
-
- if (sdb_store_expr_eval(expr, /* obj */ NULL, &value, /* filter */ NULL))
- snprintf(value_str, sizeof(value_str), "ERR");
- else if (sdb_data_format(&value, value_str, sizeof(value_str),
- SDB_SINGLE_QUOTED) < 0)
- snprintf(value_str, sizeof(value_str), "ERR");
- snprintf(buf, buflen, "%s[%s]{ %s %s }", type, id,
- MATCHER_SYM(m->type), value_str);
- sdb_data_free_datum(&value);
- return buf;
-} /* cond_tostring */
-
static int
op_matcher_init(sdb_object_t *obj, va_list ap)
{
sdb_object_deref(SDB_OBJ(OP_M(obj)->right));
} /* op_matcher_destroy */
-static char *
-op_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
+static int
+iter_matcher_init(sdb_object_t *obj, va_list ap)
{
- char left[buflen + 1], right[buflen + 1];
+ M(obj)->type = va_arg(ap, int);
+ ITER_M(obj)->iter = va_arg(ap, sdb_store_expr_t *);
+ ITER_M(obj)->m = va_arg(ap, sdb_store_matcher_t *);
- if (! m) {
- /* this should not happen */
- snprintf(buf, buflen, "()");
- return buf;
- }
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->iter));
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->m));
+
+ if ((! ITER_M(obj)->iter) || (! ITER_M(obj)->m))
+ return -1;
+ return 0;
+} /* iter_matcher_init */
- assert((m->type == MATCHER_OR) || (m->type == MATCHER_AND));
- snprintf(buf, buflen, "(%s, %s, %s)",
- m->type == MATCHER_OR ? "OR" : "AND",
- sdb_store_matcher_tostring(OP_M(m)->left, left, sizeof(left)),
- sdb_store_matcher_tostring(OP_M(m)->right, right, sizeof(right)));
- return buf;
-} /* op_tostring */
+static void
+iter_matcher_destroy(sdb_object_t *obj)
+{
+ sdb_object_deref(SDB_OBJ(ITER_M(obj)->iter));
+ sdb_object_deref(SDB_OBJ(ITER_M(obj)->m));
+} /* iter_matcher_destroy */
static int
cmp_matcher_init(sdb_object_t *obj, va_list ap)
CMP_M(obj)->right = va_arg(ap, sdb_store_expr_t *);
sdb_object_ref(SDB_OBJ(CMP_M(obj)->right));
- if ((! CMP_M(obj)->left) || (! CMP_M(obj)->right))
+ if (! CMP_M(obj)->right)
return -1;
return 0;
} /* cmp_matcher_init */
sdb_object_deref(SDB_OBJ(CMP_M(obj)->right));
} /* cmp_matcher_destroy */
-static char *
-cmp_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- if (! m) {
- /* this should not happen */
- snprintf(buf, buflen, "()");
- return buf;
- }
-
- /* TODO */
- snprintf(buf, buflen, "CMP_MATCHER(%d)", m->type);
- return buf;
-} /* cmp_tostring */
-
static int
uop_matcher_init(sdb_object_t *obj, va_list ap)
{
sdb_object_deref(SDB_OBJ(UOP_M(obj)->op));
} /* uop_matcher_destroy */
-static char *
-uop_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- char op[buflen + 1];
-
- if (! m) {
- /* this should not happen */
- snprintf(buf, buflen, "()");
- return buf;
- }
-
- assert(m->type == MATCHER_NOT);
- snprintf(buf, buflen, "(NOT, %s)",
- sdb_store_matcher_tostring(UOP_M(m)->op, op, sizeof(op)));
- return buf;
-} /* uop_tostring */
-
static int
isnull_matcher_init(sdb_object_t *obj, va_list ap)
{
- const char *name;
-
M(obj)->type = va_arg(ap, int);
- if (M(obj)->type != MATCHER_ISNULL)
+ if ((M(obj)->type != MATCHER_ISNULL) && (M(obj)->type != MATCHER_ISNNULL))
return -1;
- name = va_arg(ap, const char *);
- if (! name)
- return -1;
- ISNULL_M(obj)->attr_name = strdup(name);
- if (! ISNULL_M(obj)->attr_name)
- return -1;
+ ISNULL_M(obj)->expr = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(ISNULL_M(obj)->expr));
return 0;
} /* isnull_matcher_init */
static void
isnull_matcher_destroy(sdb_object_t *obj)
{
- if (ISNULL_M(obj)->attr_name)
- free(ISNULL_M(obj)->attr_name);
- ISNULL_M(obj)->attr_name = NULL;
+ sdb_object_deref(SDB_OBJ(ISNULL_M(obj)->expr));
+ ISNULL_M(obj)->expr = NULL;
} /* isnull_matcher_destroy */
-static char *
-isnull_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- snprintf(buf, buflen, "(IS NULL, ATTR[%s])", ISNULL_M(m)->attr_name);
- return buf;
-} /* isnull_tostring */
-
-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,
/* destroy = */ uop_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 = {
/* size = */ sizeof(cmp_matcher_t),
/* init = */ cmp_matcher_init,
/* destroy = */ isnull_matcher_destroy,
};
-typedef char *(*matcher_tostring_cb)(sdb_store_matcher_t *, char *, size_t);
-
-/* this array needs to be indexable by the matcher types;
- * -> update the enum in store-private.h when updating this */
-static matcher_tostring_cb
-matchers_tostring[] = {
- op_tostring,
- op_tostring,
- uop_tostring,
- name_tostring,
- attr_tostring,
- cond_tostring,
- cond_tostring,
- cond_tostring,
- cond_tostring,
- cond_tostring,
- cmp_tostring,
- cmp_tostring,
- cmp_tostring,
- cmp_tostring,
- cmp_tostring,
- isnull_tostring,
-};
-
/*
* 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_name_matcher(int type, const char *name, _Bool re)
+sdb_store_any_matcher(sdb_store_expr_t *iter, 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)
+ if ((m->type < MATCHER_LT) || (MATCHER_NREGEX < m->type)) {
+ sdb_log(SDB_LOG_ERR, "store: Invalid ANY -> %s matcher "
+ "(invalid operator)", MATCHER_SYM(m->type));
return NULL;
-
- NAME_M(m)->obj_type = type;
- return m;
-} /* sdb_store_name_matcher */
+ }
+ if (CMP_M(m)->left) {
+ sdb_log(SDB_LOG_ERR, "store: Invalid ANY %s %s %s matcher "
+ "(invalid left operand)",
+ SDB_TYPE_TO_STRING(CMP_M(m)->left->data_type),
+ MATCHER_SYM(m->type),
+ SDB_TYPE_TO_STRING(CMP_M(m)->right->data_type));
+ return NULL;
+ }
+ return M(sdb_object_create("any-matcher", iter_type,
+ MATCHER_ANY, iter, m));
+} /* sdb_store_any_matcher */
sdb_store_matcher_t *
-sdb_store_attr_matcher(const char *name, const char *value, _Bool re)
+sdb_store_all_matcher(sdb_store_expr_t *iter, sdb_store_matcher_t *m)
{
- sdb_store_matcher_t *m;
-
- if (! name)
+ if ((m->type < MATCHER_LT) || (MATCHER_NREGEX < m->type)) {
+ sdb_log(SDB_LOG_ERR, "store: Invalid ALL -> %s matcher "
+ "(invalid operator)", MATCHER_SYM(m->type));
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 */
+ }
+ if (CMP_M(m)->left) {
+ sdb_log(SDB_LOG_ERR, "store: Invalid ALL %s %s %s matcher "
+ "(invalid left operand)",
+ SDB_TYPE_TO_STRING(CMP_M(m)->left->data_type),
+ MATCHER_SYM(m->type),
+ SDB_TYPE_TO_STRING(CMP_M(m)->right->data_type));
+ return NULL;
+ }
+ return M(sdb_object_create("all-matcher", iter_type,
+ MATCHER_ALL, iter, m));
+} /* sdb_store_all_matcher */
sdb_store_matcher_t *
-sdb_store_lt_matcher(sdb_store_cond_t *cond)
+sdb_store_lt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("lt-matcher", cond_type,
- MATCHER_LT, cond));
+ return M(sdb_object_create("lt-matcher", cmp_type,
+ MATCHER_LT, left, right));
} /* sdb_store_lt_matcher */
sdb_store_matcher_t *
-sdb_store_le_matcher(sdb_store_cond_t *cond)
+sdb_store_le_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("le-matcher", cond_type,
- MATCHER_LE, cond));
+ return M(sdb_object_create("le-matcher", cmp_type,
+ MATCHER_LE, left, right));
} /* sdb_store_le_matcher */
sdb_store_matcher_t *
-sdb_store_eq_matcher(sdb_store_cond_t *cond)
+sdb_store_eq_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("eq-matcher", cond_type,
- MATCHER_EQ, cond));
+ return M(sdb_object_create("eq-matcher", cmp_type,
+ MATCHER_EQ, left, right));
} /* sdb_store_eq_matcher */
sdb_store_matcher_t *
-sdb_store_ge_matcher(sdb_store_cond_t *cond)
+sdb_store_ne_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("ge-matcher", cond_type,
- MATCHER_GE, cond));
+ return M(sdb_object_create("ne-matcher", cmp_type,
+ MATCHER_NE, left, right));
+} /* sdb_store_ne_matcher */
+
+sdb_store_matcher_t *
+sdb_store_ge_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("ge-matcher", cmp_type,
+ MATCHER_GE, left, right));
} /* sdb_store_ge_matcher */
sdb_store_matcher_t *
-sdb_store_gt_matcher(sdb_store_cond_t *cond)
+sdb_store_gt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("gt-matcher", cond_type,
- MATCHER_GT, cond));
+ return M(sdb_object_create("gt-matcher", cmp_type,
+ MATCHER_GT, left, right));
} /* sdb_store_gt_matcher */
-/*
- * TODO: Rename sdb_store_cmp_* to sdb_store_* once the old code is unused and
- * has been removed.
- */
-
sdb_store_matcher_t *
-sdb_store_cmp_lt(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_in_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("lt-matcher", cmp_type,
- MATCHER_CMP_LT, left, right));
-} /* sdb_store_cmp_lt */
+ return M(sdb_object_create("in-matcher", cmp_type,
+ MATCHER_IN, left, right));
+} /* sdb_store_in_matcher */
sdb_store_matcher_t *
-sdb_store_cmp_le(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_nin_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("le-matcher", cmp_type,
- MATCHER_CMP_LE, left, right));
-} /* sdb_store_cmp_le */
+ return M(sdb_object_create("not-in-matcher", cmp_type,
+ MATCHER_NIN, left, right));
+} /* sdb_store_in_matcher */
sdb_store_matcher_t *
-sdb_store_cmp_eq(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_regex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("eq-matcher", cmp_type,
- MATCHER_CMP_EQ, left, right));
-} /* sdb_store_cmp_eq */
+ if (! right->type) {
+ if ((right->data.type != SDB_TYPE_STRING)
+ && (right->data.type != SDB_TYPE_REGEX))
+ return NULL;
+
+ if (right->data.type == SDB_TYPE_STRING) {
+ char *raw = right->data.data.string;
+ if (sdb_data_parse(raw, SDB_TYPE_REGEX, &right->data))
+ return NULL;
+ free(raw);
+ }
+ }
+ return M(sdb_object_create("regex-matcher", cmp_type,
+ MATCHER_REGEX, left, right));
+} /* sdb_store_regex_matcher */
sdb_store_matcher_t *
-sdb_store_cmp_ge(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_nregex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
{
- return M(sdb_object_create("ge-matcher", cmp_type,
- MATCHER_CMP_GE, left, right));
-} /* sdb_store_cmp_ge */
+ sdb_store_matcher_t *m = sdb_store_regex_matcher(left, right);
+ if (! m)
+ return NULL;
+ m->type = MATCHER_NREGEX;
+ return m;
+} /* sdb_store_nregex_matcher */
sdb_store_matcher_t *
-sdb_store_cmp_gt(sdb_store_expr_t *left, sdb_store_expr_t *right)
+sdb_store_isnull_matcher(sdb_store_expr_t *expr)
{
- return M(sdb_object_create("gt-matcher", cmp_type,
- MATCHER_CMP_GT, left, right));
-} /* sdb_store_cmp_gt */
+ return M(sdb_object_create("isnull-matcher", isnull_type,
+ MATCHER_ISNULL, expr));
+} /* sdb_store_isnull_matcher */
sdb_store_matcher_t *
-sdb_store_isnull_matcher(const char *attr_name)
+sdb_store_isnnull_matcher(sdb_store_expr_t *expr)
{
return M(sdb_object_create("isnull-matcher", isnull_type,
- MATCHER_ISNULL, attr_name));
-} /* sdb_store_isnull_matcher */
+ MATCHER_ISNNULL, expr));
+} /* sdb_store_isnnull_matcher */
+
+sdb_store_matcher_op_cb
+sdb_store_parse_matcher_op(const char *op)
+{
+ if (! strcasecmp(op, "<"))
+ return sdb_store_lt_matcher;
+ else if (! strcasecmp(op, "<="))
+ return sdb_store_le_matcher;
+ else if (! strcasecmp(op, "="))
+ return sdb_store_eq_matcher;
+ else if (! strcasecmp(op, "!="))
+ return sdb_store_ne_matcher;
+ else if (! strcasecmp(op, ">="))
+ return sdb_store_ge_matcher;
+ else if (! strcasecmp(op, ">"))
+ return sdb_store_gt_matcher;
+ else if (! strcasecmp(op, "=~"))
+ return sdb_store_regex_matcher;
+ else if (! strcasecmp(op, "!~"))
+ return sdb_store_nregex_matcher;
+ 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)
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 SDB_FIELD_INTERVAL;
else if (! strcasecmp(name, "backend"))
return SDB_FIELD_BACKEND;
+ else if (! strcasecmp(name, "value"))
+ return SDB_FIELD_VALUE;
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 (! strcasecmp(op, "IS")) {
- if (! expr)
- return sdb_store_isnull_matcher(attr);
- else
- return NULL;
- }
- else 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)
{
return matchers[m->type](m, obj, filter);
} /* sdb_store_matcher_matches */
-char *
-sdb_store_matcher_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen)
-{
- if (! m)
- return NULL;
-
- if ((m->type < 0)
- || (((size_t)m->type >= SDB_STATIC_ARRAY_LEN(matchers_tostring))))
- return NULL;
- return matchers_tostring[m->type](m, buf, buflen);
-} /* sdb_store_matcher_tostring */
-
-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 : */