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PONode.js addon class member functions
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2012-12-11T10:35:37.157
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2013-03-19T16:02:28.840
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The code to expose a static member function of a C++ class in the javascript object looks something like this <pre><code>tpl->InstanceTemplate()->Set( String::NewSymbol("thefunc"), FunctionTemplate::New(myclass::myfunc)->GetFunction() ); </code></pre> Where <code>thefunc</code> is the name of the function accessible from javascript that maps to the static member <code>myfunc</code> of the class <code>myclass</code>. Since the method is static we have to access all class instance members via some instance pointer and write some boilerplate code to get at it. For example: <pre><code>static Handle<Value> myclass::myfunc( const Arguments &args ) { myclass *instance = Unwrap<myclass>( args.This() ); // now use 'instance' like 'this' return True(); } </code></pre> I want to know if it's possible to set a member function in the interface and bind it to the class instance to avoid static functions with boilerplate and have the system call directly into my non-static method so I can use the 'this' pointer. I can think of a ugly way that involves <code>#define</code> expanding to a template class containing a proxy function that unwraps 'this' and forwards all calls to the member function, which would result in setup code similar to this: <pre><code>DECLARE_MEMBER_FUNCTION( thefunc_handle, myclass, myfunc ); tpl->InstanceTemplate()->Set( String::NewSymbol("thefunc"), thefunc_handle ); </code></pre> But it seems likely that Node.js already supports this or that someone has devised a better solution.
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<c++><node.js>
Title
Node.js addon class member functions
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