Added processing of apply_if in the kernel

1 files changed, 32 insertions, 0 deletions

diff --git a/indexer/drules_selector_parser.hpp b/indexer/drules_selector_parser.hpp
new file mode 100644
index 0000000000..f0e511a24f
--- /dev/null
+++ b/indexer/drules_selector_parser.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include "std/string.hpp"
+
+namespace drule
+{
+
+enum SelectorOperatorType
+{
+  SelectorOperatorUnknown = 0,
+  SelectorOperatorNotEqual, // [tag!=value]
+  SelectorOperatorLessOrEqual, // [tag<=value]
+  SelectorOperatorGreaterOrEqual, // [tag>=value]
+  SelectorOperatorEqual, // [tag=value]
+  SelectorOperatorLess, // [tag<value]
+  SelectorOperatorGreater, // [tag>value]
+  SelectorOperatorIsNotSet, // [!tag]
+  SelectorOperatorIsSet, // [tag]
+};
+
+struct SelectorExpression
+{
+  SelectorOperatorType m_operator;
+  string m_tag;
+  string m_value;
+
+  SelectorExpression() : m_operator(SelectorOperatorUnknown) {}
+};
+
+bool ParseSelector(string const & str, SelectorExpression & e);
+
+}  // namespace drule