library/cpp/protobuf/util/is_equal.h


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#pragma once

#include <util/generic/fwd.h>

namespace google {
    namespace protobuf {
        class Message;
        class FieldDescriptor;
    }
}

namespace NProtoBuf {
    using ::google::protobuf::FieldDescriptor; 
    using ::google::protobuf::Message;
}

namespace NProtoBuf {
    // Reflection-based equality check for arbitrary protobuf messages 

    // Strict comparison: optional field without value is NOT equal to 
    // a field with explicitly set default value. 
    bool IsEqual(const Message& m1, const Message& m2); 
    bool IsEqual(const Message& m1, const Message& m2, TString* differentPath); 

    bool IsEqualField(const Message& m1, const Message& m2, const FieldDescriptor& field); 

    // Non-strict version: optional field without explicit value is compared 
    // using its default value. 
    bool IsEqualDefault(const Message& m1, const Message& m2); 

    bool IsEqualFieldDefault(const Message& m1, const Message& m2, const FieldDescriptor& field); 

}