Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/common/pure.h"
       4             : 
       5             : #include "source/common/protobuf/protobuf.h"
       6             : 
       7             : #include "absl/types/span.h"
       8             : 
       9             : namespace Envoy {
      10             : namespace ProtobufMessage {
      11             : 
      12             : class ConstProtoVisitor {
      13             : public:
      14       10823 :   virtual ~ConstProtoVisitor() = default;
      15             : 
      16             :   // Invoked when a field is visited, with the message, and field descriptor.
      17             :   virtual void onField(const Protobuf::Message&, const Protobuf::FieldDescriptor&) PURE;
      18             : 
      19             :   // Invoked when a message is visited, with the message and visited parents.
      20             :   // @param was_any_or_top_level supplies whether the message was either the top level message or an
      21             :   //                             Any before being unpacked for further recursion. The latter can
      22             :   //                             only be achieved by using recurse_into_any.
      23             :   virtual void onMessage(const Protobuf::Message&, absl::Span<const Protobuf::Message* const>,
      24             :                          bool was_any_or_top_level) PURE;
      25             : };
      26             : 
      27             : void traverseMessage(ConstProtoVisitor& visitor, const Protobuf::Message& message,
      28             :                      bool recurse_into_any);
      29             : 
      30             : } // namespace ProtobufMessage
      31             : } // namespace Envoy