Writing binary chunk to boost property tree stored as json

Question

Is it possible to write a binary chunk, serialized as "(uint32 numbytes) (chunk)" via stream operators, to json via a boost property tree?

To be more specific, lets say the binary chunk is a std::vector of floats, and my iostream serializer parses the number of bytes as an int, followed the actual data.

For an discussion of using binary data in JSON, see this question: http://stackoverflow.com/questions/1443158/binary-data-in-json-string-something-better-than-base64 — Dale Wilson, Mar 17 '15 at 15:07

score 1 · Answer 1 · answered Mar 17 '15 at 13:39

Just encode it into a string (e.g. using base64) and store that.

You can automate this for your custom types by specializing boost::property_tree::translator_between.

However, this customization point does /not/ facilitate streaming operation, so it will not be efficient for (very) large vectors.

Consider using a Bson/Json library for the purpose instead.

Writing binary chunk to boost property tree stored as json

1 Answers1