Heuristically detect sub-messages when printing unknown fields.

Patch mostly written by Dilip Joseph <dilip.antony.joseph@gmail.com>.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/google/protobuf/unknown_field_set.h b/src/google/protobuf/unknown_field_set.h
index 42184621..2e908c33 100644
--- a/src/google/protobuf/unknown_field_set.h
+++ b/src/google/protobuf/unknown_field_set.h
@@ -77,6 +77,17 @@ class LIBPROTOBUF_EXPORT UnknownFieldSet {
   // the existing UnknownField.
   UnknownField* AddField(int number);
 
+  // Parsing helpers -------------------------------------------------
+  // These work exactly like the similarly-named methods of Message.
+
+  bool MergeFromCodedStream(io::CodedInputStream* input);
+  bool ParseFromCodedStream(io::CodedInputStream* input);
+  bool ParseFromZeroCopyStream(io::ZeroCopyInputStream* input);
+  bool ParseFromArray(const void* data, int size);
+  inline bool ParseFromString(const string& data) {
+    return ParseFromArray(data.data(), data.size());
+  }
+
  private:
   // "Active" fields are ones which have been added since the last time Clear()
   // was called.  Inactive fields are objects we are keeping around incase