intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 78 insertions, 0 deletions

diff --git a/tools/enum_parser/parse_enum/parse_enum.h b/tools/enum_parser/parse_enum/parse_enum.h
new file mode 100644
index 0000000000..ef8b512ae4
--- /dev/null
+++ b/tools/enum_parser/parse_enum/parse_enum.h
@@ -0,0 +1,78 @@
+#pragma once
+
+#include <util/stream/output.h>
+#include <util/stream/input.h>
+#include <util/stream/mem.h>
+#include <util/string/strip.h>
+#include <util/generic/maybe.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+class TEnumParser {
+public:
+
+    struct TItem {
+        TMaybe<TString> Value;
+        TString CppName;
+        TVector<TString> Aliases;
+        TString CommentText;
+
+        void Clear() {
+            *this = TItem();
+        }
+
+        void NormalizeValue() {
+            if (!Value)
+                return;
+            StripInPlace(*Value);
+        }
+
+    };
+
+    // vector is to preserve declaration order
+    typedef TVector<TItem> TItems;
+
+    typedef TVector<TString> TScope;
+
+    struct TEnum {
+        TItems Items;
+        TString CppName;
+        TScope Scope;
+        // enum or enum class
+        bool EnumClass = false;
+        bool BodyDetected = false;
+        bool ForwardDeclaration = false;
+
+        void Clear() {
+            *this = TEnum();
+        }
+    };
+
+    typedef TVector<TEnum> TEnums;
+
+    /// Parse results stored here
+    TEnums Enums;
+
+    /// Parse enums from file containing C++ code
+    TEnumParser(const TString& fileName);
+
+    /// Parse enums from memory buffer containing C++ code
+    TEnumParser(const char* data, size_t length);
+
+    /// Parse enums from input stream
+    TEnumParser(IInputStream& in);
+
+    static TString ScopeStr(const TScope& scope) {
+        TString result;
+        for (const TString& name : scope) {
+            result += name;
+            result += "::";
+        }
+        return result;
+    }
+
+private:
+    void Parse(const char* data, size_t length);
+protected:
+    TString SourceFileName;
+};