[Boost-users] re: Wrapping a library

From: Alan Baljeu (alanbaljeu_at_[hidden])
Date: 2008-08-21 17:40:59

>> I have this library (one class with 700 methods) I want to wrap all the calls, so I can log the calls and do other stuff. Using emacs macros and stuff, I >>can create a proxy class which has the same signature, but each method calls a C macro which calls the original class method, and does other stuff.

> A class or a namespace? 

A document class.  Yes it's huge.

>>
>> I'm thinking there must be a better way. I'm thinking BOOST_PP library could abstract the above macros into something concise. However, the 
>> library is intimidating. There are lots of features, and I'm not clear on how I should get started.

>For ad hoc code generation, I usually end up with awk and sed. I just did this wrapping 
>thing with a java class definition ( no actual source code) and could pretty much use lynx to render the javadoc html, extract
>method signatures, and use awk to generate methods with sed and finally
>vi to touch stuff up.  The generated class contained an instance of the original class that
>was simply called in each generated method after my custion code,if any, executed. 
>I wasn't just interested in wrapping as I also made a fake version for
>unsupported operations. 

That does seem to be a good approach.  Thanks for the idea.

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