1 files changed, 59 insertions, 0 deletions
diff --git a/src/libmime/mime_expressions.h b/src/libmime/mime_expressions.h
new file mode 100644
index 000000000..343e912e8
--- /dev/null
+++ b/src/libmime/mime_expressions.h
@@ -0,0 +1,59 @@
+/**
+ * @file expressions.h
+ * Rspamd expressions API
+ */
+
+#ifndef RSPAMD_EXPRESSIONS_H
+#define RSPAMD_EXPRESSIONS_H
+
+#include "config.h"
+#include <lua.h>
+
+struct rspamd_task;
+struct rspamd_regexp_element;
+
+/**
+ * Function's argument
+ */
+struct expression_argument {
+	enum {
+		EXPRESSION_ARGUMENT_NORMAL,
+		EXPRESSION_ARGUMENT_BOOL,
+		EXPRESSION_ARGUMENT_EXPR,
+	} type;                                                     /**< type of argument (text or other function)		*/
+	void *data;                                                 /**< pointer to its data							*/
+};
+
+
+typedef gboolean (*rspamd_internal_func_t)(struct rspamd_task *, GList *args,
+	void *user_data);
+
+
+/**
+ * Register specified function to rspamd internal functions list
+ * @param name name of function
+ * @param func pointer to function
+ */
+void register_expression_function (const gchar *name,
+	rspamd_internal_func_t func,
+	void *user_data);
+
+/**
+ * Add regexp to regexp task cache
+ * @param task task object
+ * @param pointer regexp data
+ * @param result numeric result of this regexp
+ */
+void task_cache_add (struct rspamd_task *task,
+	struct rspamd_regexp_element *re,
+	gint32 result);
+
+/**
+ * Check regexp in cache
+ * @param task task object
+ * @param pointer regexp data
+ * @return numeric result if value exists or -1 if not
+ */
+gint32 task_cache_check (struct rspamd_task *task, struct rspamd_regexp_element *re);
+
+#endif