index 089b99fb125756a0712506f8de9fbe34bc7edab4..06151a81d4fdb04bb49143dd794ee60c30a00618 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
* simple full table scan is supported only.
*/
* simple full table scan is supported only.
*/
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
#include "sysdb.h"
#include "core/store-private.h"
#include "sysdb.h"
#include "core/store-private.h"
+#include "core/object.h"
+#include "utils/error.h"
#include <assert.h>
#include <sys/types.h>
#include <regex.h>
#include <assert.h>
#include <sys/types.h>
#include <regex.h>
+#include <stdlib.h>
#include <string.h>
#include <string.h>
-/*
- * private data types
- */
+#include <limits.h>
-/* match the name of something */
-typedef struct {
- const char *name;
- regex_t *name_re;
-} name_matcher_t;
-
-/* matcher base type */
-typedef struct {
- /* type of the matcher */
- int type;
-} matcher_t;
-#define M(m) ((matcher_t *)(m))
-
-/* logical operator matcher */
-typedef struct {
- matcher_t super;
-
- /* left and right hand operands */
- matcher_t *left;
- matcher_t *right;
-} op_matcher_t;
-#define OP_M(m) ((op_matcher_t *)(m))
-
-/* match any type of object by it's base information */
-typedef struct {
- matcher_t super;
-
- /* match by the name of the object */
- name_matcher_t name;
-} obj_matcher_t;
-#define OBJ_M(m) ((obj_matcher_t *)(m))
-
-/* match attributes */
-typedef struct {
- obj_matcher_t super;
- /* XXX: this needs to be more flexible;
- * add support for type-specific operators */
- name_matcher_t value;
-} attr_matcher_t;
-#define ATTR_M(m) ((attr_matcher_t *)(m))
-
-/* match services */
-typedef struct {
- obj_matcher_t super;
- /* match by attributes assigned to the service */
- attr_matcher_t *attr;
-} service_matcher_t;
-#define SERVICE_M(m) ((service_matcher_t *)(m))
-
-/* match hosts */
-typedef struct {
- obj_matcher_t super;
- /* match by services assigned to the host */
- service_matcher_t *service;
- /* match by attributes assigned to the host */
- attr_matcher_t *attr;
-} host_matcher_t;
-#define HOST_M(m) ((host_matcher_t *)(m))
+static int
+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)
+{
+ 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;
+} /* expr_eval2 */
+
+static void
+expr_free_datum2(sdb_store_expr_t *e1, sdb_data_t *v1,
+ sdb_store_expr_t *e2, sdb_data_t *v2)
+{
+ if (e1->type)
+ sdb_data_free_datum(v1);
+ if (e2->type)
+ sdb_data_free_datum(v2);
+} /* expr_free_datum2 */
/*
* matcher 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
-match_logical(matcher_t *m, sdb_store_base_t *obj);
-static int
-match_obj(matcher_t *m, sdb_store_base_t *obj);
+match_cmp_value(int op, sdb_data_t *v1, sdb_data_t *v2, bool strcmp_fallback)
+{
+ int status;
-/* specific matchers */
+ 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
+ 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
-match_name(name_matcher_t *m, const char *name)
+match_regex_value(int op, sdb_data_t *v, sdb_data_t *re)
{
{
- assert(m);
+ char value[sdb_data_strlen(v) + 1];
+ int status = 0;
+
+ assert((op == MATCHER_REGEX)
+ || (op == MATCHER_NREGEX));
- if ((! m->name) && (! m->name_re))
+ if (sdb_data_isnull(v) || sdb_data_isnull(re))
return 0;
return 0;
- if (! name)
- name = "";
+ if (re->type == SDB_TYPE_STRING) {
+ sdb_data_t tmp = SDB_DATA_INIT;
- if (m->name && (! strcasecmp(m->name, name)))
- return 0;
- if (m->name_re && (! regexec(m->name_re, name,
- /* matches */ 0, NULL, /* flags = */ 0)))
+ if (sdb_data_parse(re->data.string, SDB_TYPE_REGEX, &tmp))
+ return 0;
+
+ sdb_data_free_datum(re);
+ *re = tmp;
+ }
+ else if (re->type != SDB_TYPE_REGEX)
return 0;
return 0;
- return -1;
-} /* match_name */
-/* match attribute specific values;
- * always call this function through match_obj() */
+ 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 (op == MATCHER_NREGEX)
+ return !status;
+ return status;
+} /* match_regex_value */
+
static int
static int
-match_attr(attr_matcher_t *m, sdb_store_base_t *obj)
+match_logical(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
{
- assert(m && obj);
+ int status;
- if (obj->type != SDB_ATTRIBUTE)
- return -1;
+ assert((m->type == MATCHER_AND) || (m->type == MATCHER_OR));
+ assert(OP_M(m)->left && OP_M(m)->right);
- {
- sdb_attribute_t *attr = SDB_ATTR(obj);
- char buf[sdb_data_strlen(&attr->value) + 1];
+ status = sdb_store_matcher_matches(OP_M(m)->left, obj, filter);
- if (sdb_data_format(&attr->value, buf, sizeof(buf), SDB_UNQUOTED) <= 0)
- return -1;
- return match_name(&m->value, buf);
- }
-} /* match_attr */
+ /* lazy evaluation */
+ if ((! status) && (m->type == MATCHER_AND))
+ return status;
+ else if (status && (m->type == MATCHER_OR))
+ return status;
+
+ return sdb_store_matcher_matches(OP_M(m)->right, obj, filter);
+} /* match_logical */
-/* match service specific values;
- * always call this function through match_obj() */
static int
static int
-match_service(service_matcher_t *m, sdb_store_base_t *obj)
+match_uop(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
{
- sdb_llist_iter_t *iter;
+ assert(m->type == MATCHER_NOT);
+ assert(UOP_M(m)->op);
- assert(m && obj);
+ return !sdb_store_matcher_matches(UOP_M(m)->op, obj, filter);
+} /* match_uop */
- if (obj->type != SDB_SERVICE)
- return -1;
+/* iterate: ANY/ALL <iter> <cmp> <value> */
+static int
+match_iter(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_store_expr_iter_t *iter = NULL;
+ int status;
+ int all = (int)(m->type == MATCHER_ALL);
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->attributes);
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *attr = STORE_BASE(sdb_llist_iter_get_next(iter));
+ 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 any of the attributes matches we found a matching service */
- if (! match_obj(M(m->attr), attr)) {
- sdb_llist_iter_destroy(iter);
- return 0;
+ iter = sdb_store_expr_iter(ITER_M(m)->iter, obj, filter);
+ if (! iter) {
+ sdb_log(SDB_LOG_WARNING, "store: Invalid iterator");
+ return 0;
+ }
+
+ 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);
+
+ if (matches) {
+ if (! all) {
+ status = 1;
+ break;
+ }
+ } else if (all) {
+ status = 0;
+ break;
}
}
}
}
- sdb_llist_iter_destroy(iter);
- return -1;
-} /* match_service */
+ sdb_store_expr_iter_destroy(iter);
+ return status;
+} /* match_iter */
-/* match host specific values;
- * always call this function through match_obj() */
static int
static int
-match_host(host_matcher_t *m, sdb_store_base_t *obj)
+match_cmp(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
{
{
- sdb_llist_iter_t *iter;
+ 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;
int status;
- assert(m && obj);
+ 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)
- return -1;
+ if (expr_eval2(e1, &v1, e2, &v2, obj, filter))
+ return 0;
- if (m->service) {
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->children);
- status = -1;
- }
- else {
- iter = NULL;
- status = 0;
- }
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *service = STORE_BASE(sdb_llist_iter_get_next(iter));
+ status = match_cmp_value(m->type, &v1, &v2,
+ (e1->data_type) < 0 || (e2->data_type < 0));
- /* found a matching service */
- if (! match_obj(M(m->service), service)) {
- status = 0;
- break;
- }
- }
- sdb_llist_iter_destroy(iter);
+ 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,
+ sdb_store_matcher_t *filter)
+{
+ sdb_data_t value = SDB_DATA_INIT, array = SDB_DATA_INIT;
+ int status = 1;
+
+ assert(m->type == MATCHER_IN);
+ assert(CMP_M(m)->left && CMP_M(m)->right);
+
+ if (expr_eval2(CMP_M(m)->left, &value,
+ CMP_M(m)->right, &array, obj, filter))
+ status = 0;
if (status)
if (status)
- return status;
- else if (! m->attr)
+ status = sdb_data_inarray(&value, &array);
+
+ expr_free_datum2(CMP_M(m)->left, &value, CMP_M(m)->right, &array);
+ return status;
+} /* match_in */
+
+static int
+match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ sdb_data_t regex = SDB_DATA_INIT, v = SDB_DATA_INIT;
+ int status = 0;
+
+ assert((m->type == MATCHER_REGEX)
+ || (m->type == MATCHER_NREGEX));
+ assert(CMP_M(m)->left && CMP_M(m)->right);
+
+ if (expr_eval2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex, obj, filter))
return 0;
return 0;
- iter = sdb_llist_get_iter(SDB_STORE_OBJ(obj)->attributes);
- while (sdb_llist_iter_has_next(iter)) {
- sdb_store_base_t *attr = STORE_BASE(sdb_llist_iter_get_next(iter));
+ status = match_regex_value(m->type, &v, ®ex);
- /* if any attribute matches, we found a matching host */
- if (! match_obj(M(m->attr), attr)) {
- sdb_llist_iter_destroy(iter);
- return 0;
- }
+ expr_free_datum2(CMP_M(m)->left, &v, CMP_M(m)->right, ®ex);
+ return status;
+} /* match_regex */
+
+static int
+match_unary(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_ISNULL)
+ || (m->type == MATCHER_ISTRUE)
+ || (m->type == MATCHER_ISFALSE));
+
+ if (UNARY_M(m)->expr->type) {
+ /* TODO: this might hide real errors;
+ * improve error reporting and propagation */
+ if (sdb_store_expr_eval(UNARY_M(m)->expr, obj, &v, filter))
+ return 1;
}
}
- sdb_llist_iter_destroy(iter);
- return -1;
-} /* match_host */
-
-/* generic matchers */
-
-enum {
- MATCHER_OR,
- MATCHER_AND,
- MATCHER_ATTR,
- MATCHER_SERVICE,
- MATCHER_HOST,
-};
+ else
+ v = UNARY_M(m)->expr->data;
+
+ if (m->type == MATCHER_ISNULL)
+ status = sdb_data_isnull(&v) ? 1 : 0;
+ else { /* ISTRUE or ISFALSE */
+ if ((v.type == SDB_TYPE_BOOLEAN)
+ && (v.data.boolean == (m->type == MATCHER_ISTRUE)))
+ status = 1;
+ else
+ status = 0;
+ }
+
+ if (UNARY_M(m)->expr->type)
+ sdb_data_free_datum(&v);
+ return status;
+} /* match_unary */
-typedef int (*matcher_cb)(matcher_t *, sdb_store_base_t *);
+typedef int (*matcher_cb)(sdb_store_matcher_t *, sdb_store_obj_t *,
+ sdb_store_matcher_t *);
-/* this array needs to be indexable by the matcher types */
-static matcher_cb matchers[] = {
+/* this array needs to be indexable by the matcher types;
+ * -> update the enum in store-private.h when updating this */
+static matcher_cb
+matchers[] = {
match_logical,
match_logical,
match_logical,
match_logical,
- match_obj,
- match_obj,
- match_obj,
+ match_uop,
+ match_iter,
+ match_iter,
+ match_in,
+
+ /* unary operators */
+ match_unary,
+ match_unary,
+ match_unary,
+
+ /* ary operators */
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_cmp,
+ match_regex,
+ match_regex,
+
+ NULL, /* QUERY */
};
};
+/*
+ * private matcher types
+ */
+
static int
static int
-match(matcher_t *m, sdb_store_base_t *obj)
+op_matcher_init(sdb_object_t *obj, va_list ap)
{
{
- assert(m && obj);
- assert((0 <= m->type)
- && ((size_t)m->type < SDB_STATIC_ARRAY_LEN(matchers)));
+ M(obj)->type = va_arg(ap, int);
+ if ((M(obj)->type != MATCHER_OR) && (M(obj)->type != MATCHER_AND))
+ return -1;
- return matchers[m->type](m, obj);
-} /* match */
+ OP_M(obj)->left = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(OP_M(obj)->left));
+ OP_M(obj)->right = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(OP_M(obj)->right));
+
+ if ((! OP_M(obj)->left) || (! OP_M(obj)->right))
+ return -1;
+ return 0;
+} /* op_matcher_init */
+
+static void
+op_matcher_destroy(sdb_object_t *obj)
+{
+ if (OP_M(obj)->left)
+ sdb_object_deref(SDB_OBJ(OP_M(obj)->left));
+ if (OP_M(obj)->right)
+ sdb_object_deref(SDB_OBJ(OP_M(obj)->right));
+} /* op_matcher_destroy */
static int
static int
-match_logical(matcher_t *m, sdb_store_base_t *obj)
+iter_matcher_init(sdb_object_t *obj, va_list ap)
{
{
- int status;
+ 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 *);
- assert(m && obj);
- assert(OP_M(m)->left && OP_M(m)->right);
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->iter));
+ sdb_object_ref(SDB_OBJ(ITER_M(obj)->m));
- status = match(OP_M(m)->left, obj);
- /* lazy evaluation */
- if (status && (m->type == MATCHER_AND))
- return status;
- else if ((! status) && (m->type == MATCHER_OR))
- return status;
+ if ((! ITER_M(obj)->iter) || (! ITER_M(obj)->m))
+ return -1;
+ return 0;
+} /* iter_matcher_init */
- return match(OP_M(m)->right, obj);
-} /* match_logical */
+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
static int
-match_obj(matcher_t *m, sdb_store_base_t *obj)
+cmp_matcher_init(sdb_object_t *obj, va_list ap)
{
{
- int status;
+ M(obj)->type = va_arg(ap, int);
- assert(m && obj);
+ CMP_M(obj)->left = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(CMP_M(obj)->left));
+ CMP_M(obj)->right = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(CMP_M(obj)->right));
- status = match_name(&OBJ_M(m)->name, obj->super.name);
- if (status)
- return status;
+ if (! CMP_M(obj)->right)
+ return -1;
+ return 0;
+} /* cmp_matcher_init */
- switch (m->type) {
- case MATCHER_ATTR:
- return match_attr(ATTR_M(m), obj);
- break;
- case MATCHER_SERVICE:
- return match_service(SERVICE_M(m), obj);
- break;
- case MATCHER_HOST:
- return match_host(HOST_M(m), obj);
- break;
+static void
+cmp_matcher_destroy(sdb_object_t *obj)
+{
+ sdb_object_deref(SDB_OBJ(CMP_M(obj)->left));
+ sdb_object_deref(SDB_OBJ(CMP_M(obj)->right));
+} /* cmp_matcher_destroy */
+
+static int
+uop_matcher_init(sdb_object_t *obj, va_list ap)
+{
+ M(obj)->type = va_arg(ap, int);
+ if (M(obj)->type != MATCHER_NOT)
+ return -1;
+
+ UOP_M(obj)->op = va_arg(ap, sdb_store_matcher_t *);
+ sdb_object_ref(SDB_OBJ(UOP_M(obj)->op));
+
+ if (! UOP_M(obj)->op)
+ return -1;
+ return 0;
+} /* uop_matcher_init */
+
+static void
+uop_matcher_destroy(sdb_object_t *obj)
+{
+ if (UOP_M(obj)->op)
+ sdb_object_deref(SDB_OBJ(UOP_M(obj)->op));
+} /* uop_matcher_destroy */
+
+static int
+unary_matcher_init(sdb_object_t *obj, va_list ap)
+{
+ M(obj)->type = va_arg(ap, int);
+ if ((M(obj)->type != MATCHER_ISNULL)
+ && (M(obj)->type != MATCHER_ISTRUE)
+ && (M(obj)->type != MATCHER_ISFALSE))
+ return -1;
+
+ UNARY_M(obj)->expr = va_arg(ap, sdb_store_expr_t *);
+ sdb_object_ref(SDB_OBJ(UNARY_M(obj)->expr));
+ return 0;
+} /* unary_matcher_init */
+
+static void
+unary_matcher_destroy(sdb_object_t *obj)
+{
+ sdb_object_deref(SDB_OBJ(UNARY_M(obj)->expr));
+ UNARY_M(obj)->expr = NULL;
+} /* unary_matcher_destroy */
+
+static sdb_type_t op_type = {
+ /* size = */ sizeof(op_matcher_t),
+ /* init = */ op_matcher_init,
+ /* destroy = */ op_matcher_destroy,
+};
+
+static sdb_type_t uop_type = {
+ /* size = */ sizeof(uop_matcher_t),
+ /* init = */ uop_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 = */ cmp_matcher_destroy,
+};
+
+static sdb_type_t unary_type = {
+ /* size = */ sizeof(unary_matcher_t),
+ /* init = */ unary_matcher_init,
+ /* destroy = */ unary_matcher_destroy,
+};
+
+/*
+ * public API
+ */
+
+sdb_store_matcher_t *
+sdb_store_any_matcher(sdb_store_expr_t *iter, sdb_store_matcher_t *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;
}
}
- return -1;
-} /* match_obj */
+ 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_all_matcher(sdb_store_expr_t *iter, sdb_store_matcher_t *m)
+{
+ 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 (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_expr_t *left, sdb_store_expr_t *right)
+{
+ 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_expr_t *left, sdb_store_expr_t *right)
+{
+ 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_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("eq-matcher", cmp_type,
+ MATCHER_EQ, left, right));
+} /* sdb_store_eq_matcher */
+
+sdb_store_matcher_t *
+sdb_store_ne_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ 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_expr_t *left, sdb_store_expr_t *right)
+{
+ return M(sdb_object_create("gt-matcher", cmp_type,
+ 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)
+{
+ return M(sdb_object_create("in-matcher", cmp_type,
+ MATCHER_IN, left, right));
+} /* sdb_store_in_matcher */
+
+sdb_store_matcher_t *
+sdb_store_regex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ 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_nregex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right)
+{
+ 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_isnull_matcher(sdb_store_expr_t *expr)
+{
+ return M(sdb_object_create("isnull-matcher", unary_type,
+ MATCHER_ISNULL, expr));
+} /* sdb_store_isnull_matcher */
+
+sdb_store_matcher_t *
+sdb_store_istrue_matcher(sdb_store_expr_t *expr)
+{
+ return M(sdb_object_create("istrue-matcher", unary_type,
+ MATCHER_ISTRUE, expr));
+} /* sdb_store_istrue_matcher */
+
+sdb_store_matcher_t *
+sdb_store_isfalse_matcher(sdb_store_expr_t *expr)
+{
+ return M(sdb_object_create("isfalse-matcher", unary_type,
+ MATCHER_ISFALSE, expr));
+} /* sdb_store_isfalse_matcher */
+
+sdb_store_matcher_t *
+sdb_store_dis_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right)
+{
+ return M(sdb_object_create("dis-matcher", op_type, MATCHER_OR,
+ left, right));
+} /* sdb_store_dis_matcher */
+
+sdb_store_matcher_t *
+sdb_store_con_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right)
+{
+ return M(sdb_object_create("con-matcher", op_type, MATCHER_AND,
+ left, right));
+} /* sdb_store_con_matcher */
+
+sdb_store_matcher_t *
+sdb_store_inv_matcher(sdb_store_matcher_t *m)
+{
+ return M(sdb_object_create("inv-matcher", uop_type, MATCHER_NOT, m));
+} /* sdb_store_inv_matcher */
+
+int
+sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter)
+{
+ if (filter && (! sdb_store_matcher_matches(filter, obj, NULL)))
+ return 0;
+
+ /* "NULL" always matches */
+ if ((! m) || (! obj))
+ return 1;
+
+ if ((m->type < 0) || ((size_t)m->type >= SDB_STATIC_ARRAY_LEN(matchers)))
+ return 0;
+
+ if (! matchers[m->type])
+ return 0;
+ return matchers[m->type](m, obj, filter);
+} /* sdb_store_matcher_matches */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */