X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fcore%2Fstore-private.h;h=49ddaf547465f349b8ba57aede974e0388628652;hb=fd3e376f4c7dc24c40717c056548c4e26e4e8b97;hp=a5bf0267b7e41bd598135ee28048f697ec3d93f7;hpb=2f08ce28937ba7755da12aa47a4a520ad39694a8;p=sysdb.git

diff --git a/src/core/store-private.h b/src/core/store-private.h
index a5bf026..49ddaf5 100644
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
@@ -34,6 +34,9 @@
 
 #include "core/store.h"
 
+#include <sys/types.h>
+#include <regex.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -69,21 +72,121 @@ typedef struct {
 #define SDB_STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
 #define SDB_CONST_STORE_OBJ(obj) ((const sdb_store_obj_t *)(obj))
 
-enum {
-	SDB_HOST = 1,
-	SDB_SERVICE,
-	SDB_ATTRIBUTE,
-};
-#define TYPE_TO_NAME(t) \
-	(((t) == SDB_HOST) ? "host" \
-		: ((t) == SDB_SERVICE) ? "service" \
-		: ((t) == SDB_ATTRIBUTE) ? "attribute" : "unknown")
-
 /* shortcuts for accessing the sdb_store_obj_t attributes
  * of inheriting objects */
 #define _last_update super.last_update
 #define _interval super.interval
 
+/*
+ * conditionals
+ */
+
+/* compares a store object using the specified conditional */
+typedef int (*cmp_cb)(sdb_store_base_t *, sdb_store_cond_t *);
+
+struct sdb_store_cond {
+	sdb_object_t super;
+	cmp_cb cmp;
+};
+
+typedef struct {
+	sdb_store_cond_t super;
+	char *name;
+	sdb_data_t value;
+} attr_cond_t;
+#define ATTR_C(obj) ((attr_cond_t *)(obj))
+
+/*
+ * matchers
+ */
+
+/* when adding to this, also update 'matchers' and 'matchers_tostring'
+ * in store_lookup.c */
+enum {
+	MATCHER_OR,
+	MATCHER_AND,
+	MATCHER_NOT,
+	MATCHER_NAME,
+	MATCHER_ATTR,
+	MATCHER_LT,
+	MATCHER_LE,
+	MATCHER_EQ,
+	MATCHER_GE,
+	MATCHER_GT,
+};
+
+#define MATCHER_SYM(t) \
+	(((t) == MATCHER_OR) ? "OR" \
+		: ((t) == MATCHER_AND) ? "AND" \
+		: ((t) == MATCHER_NOT) ? "NOT" \
+		: ((t) == MATCHER_NAME) ? "NAME" \
+		: ((t) == MATCHER_ATTR) ? "ATTR" \
+		: ((t) == MATCHER_LT) ? "<" \
+		: ((t) == MATCHER_LE) ? "<=" \
+		: ((t) == MATCHER_EQ) ? "=" \
+		: ((t) == MATCHER_GE) ? ">=" \
+		: ((t) == MATCHER_GT) ? ">" \
+		: "UNKNOWN")
+
+/* match the name of something */
+typedef struct {
+	char    *name;
+	regex_t *name_re;
+} string_matcher_t;
+
+/* matcher base type */
+struct sdb_store_matcher {
+	sdb_object_t super;
+	/* type of the matcher */
+	int type;
+};
+#define M(m) ((sdb_store_matcher_t *)(m))
+
+/* infix operator matcher */
+typedef struct {
+	sdb_store_matcher_t super;
+
+	/* left and right hand operands */
+	sdb_store_matcher_t *left;
+	sdb_store_matcher_t *right;
+} op_matcher_t;
+#define OP_M(m) ((op_matcher_t *)(m))
+
+/* unary operator matcher */
+typedef struct {
+	sdb_store_matcher_t super;
+
+	/* operand */
+	sdb_store_matcher_t *op;
+} uop_matcher_t;
+#define UOP_M(m) ((uop_matcher_t *)(m))
+
+/* match any type of object by it's name */
+typedef struct {
+	sdb_store_matcher_t super;
+
+	int obj_type;
+	string_matcher_t name;
+} name_matcher_t;
+#define NAME_M(m) ((name_matcher_t *)(m))
+
+/* match attributes */
+typedef struct {
+	sdb_store_matcher_t super;
+	char *name;
+	/* XXX: this needs to be more flexible;
+	 *      add support for type-specific operators */
+	string_matcher_t value;
+} attr_matcher_t;
+#define ATTR_M(m) ((attr_matcher_t *)(m))
+
+/* match using conditionals */
+typedef struct {
+	sdb_store_matcher_t super;
+	sdb_store_cond_t *cond;
+} cond_matcher_t;
+#define COND_M(m) ((cond_matcher_t *)(m))
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif