Is there any plans to add C APIs/bindings ? about flatbuffers HOT 13 CLOSED

We'd like bindings for as many languages as possible, and C would make sense to have. That said, since FlatBuffers derives its performance from being a super-thin inline-able layer, supporting a new language isn't a case of making "bindings" for flatbuffers.h, it is more like re-implementing flatbuffers.h (and providing a idl_gen_lang.cpp similar to idl_gen_cpp.cpp), which is a fair bit of work to do properly.

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Is anyone working on this? I've started working on this and I've created an idl_gen_c.cpp and added the necessary code to flatbuffers.h and to flatc.cpp. The code generation piece is far from finished, but I was wondering if anyone is already working on this functionality.

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Noone is working on this as far as I know, and I'd be happy to take a PR if what you're making conforms to the standards of what's already there.

What I am wondering about is flatbuffers.h, since it has tons of C++ top to bottom, adding C functionality sound to me like a LOT of ifdefs. Wouldn't a separate header for C make more sense?

Feel free to point me to the code you have so far, so I can maybe comment on it.

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C binding is very important for some special cases like iOS SDK prior to iOS 5.0, which doesn't support c++11. I'm also wondering if i could help to add a C binding.

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yynil: if you want to help, check with diffuse above if there's something you can do.

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Given Go's simplicity (i.e. lack of expressivity), the Go port might be a good point from which to begin writing the C port. The C++ version is more concise and thus maybe harder to port.

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I've had a little more time to work on the C binding. I am working on creating a C version of flatbuffers.h. It will exist as flatbuffers_c.h. I will be creating a fork within the next week so I can start getting some input for the C binding.

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Good news! :)

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I haven't worked on the C binding in a long while. I don't see me completing it any time soon as I have become too busy. Perhaps when I get some downtime I can begin work on it again.

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Ok, good to know. Just note on this issue if you do work on it again.

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Do you know if anyone else is working a C port?

On Mon, Jan 5, 2015 at 5:38 PM, gwvo [email protected] wrote:

Ok, good to know. Just note on this issue if you do work on it again.

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https://github.com/dvidelabs/flatcc just released

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@mikkelfj Interesting!

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