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-rw-r--r--src/libutil/expression.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/libutil/expression.c b/src/libutil/expression.c
index 67db9e7de..c24f139b8 100644
--- a/src/libutil/expression.c
+++ b/src/libutil/expression.c
@@ -24,6 +24,7 @@
#include "config.h"
#include "expression.h"
+#include "printf.h"
#include "regexp.h"
enum rspamd_expression_op {
@@ -516,3 +517,62 @@ rspamd_process_expression (struct rspamd_expression *expr, gpointer data)
return 0;
}
+
+GString *
+rspamd_expression_tostring (struct rspamd_expression *expr)
+{
+ GString *res;
+ struct rspamd_expression_elt *elt;
+ const char *op_str = NULL;
+ guint i;
+
+ g_assert (expr != NULL);
+
+ res = g_string_new (NULL);
+
+ for (i = 0; i < expr->expressions->len; i ++) {
+ elt = &g_array_index (expr->expressions, struct rspamd_expression_elt, i);
+
+ if (elt->type == ELT_ATOM) {
+ g_string_append_len (res, elt->p.atom->str, elt->p.atom->len);
+ }
+ else if (elt->type == ELT_LIMIT) {
+ rspamd_printf_gstring (res, "%d", elt->p.lim.val);
+ }
+ else {
+ switch (elt->p.op) {
+ case OP_MULT:
+ op_str = "*";
+ break;
+ case OP_PLUS:
+ op_str = "+";
+ break;
+ case OP_NOT:
+ op_str = "!";
+ break;
+ case OP_GE:
+ op_str = ">=";
+ break;
+ case OP_GT:
+ op_str = ">";
+ break;
+ case OP_LE:
+ op_str = "<=";
+ break;
+ case OP_LT:
+ op_str = ">=";
+ break;
+ default:
+ op_str = "???";
+ break;
+ }
+ g_string_append (res, op_str);
+ }
+
+ if (i != expr->expressions->len - 1) {
+ g_string_append_c (res, ' ');
+ }
+ }
+
+ return res;
+}