On Tue, 5 Oct 2010 10:13:26 -0700, Nate Reid <gnat...@hotmail.com> wrote:
> There may be syntax/programming errors here, but I was wondering if by
> specifying something like the following:
>
>
>
> // blah.h
>
> #ifndef BLAH_DEFINED
>
> #define BLAH_DEFINED
>
> #include <sstream>
>
> template<typename T>
>
> class Blah {
>
> public:
>
> QString get(const T& v);
>
> };
>
>
>
> template<typename T>
>
> QString Blah<T>::get(const T& v) {
>
> std::ostringstream s;
>
> s << "Value is: " << v;
>
> return QString(s.str().c_str());
>
> }
>
>
>
> // Specialization for 'int'
>
> template<>
>
> QString Blah<int>::get(const int& v) {
>
> std::ostringstream s;
>
> s << "Value (int) is: " << v;
>
> return QString(s.str().c_str());
>
> }
>
> #endif
>
>
>
> // blah.sip
>
> %Module blah 0
>
>
>
> template <typename T>
>
> class Blah {
>
> %TypeHeaderCode
>
> #include "blah.h"
>
> %End
>
> public:
>
> QString __getitem__(const T& val);
>
> %MethodCode
>
> sipRes = new QString(sipCpp->get(*a0));
>
> %End
>
> };
>
>
>
>
>
> You could produce a wrapped class that would work like follows:
>
>
>
>>>> import blah
>
>>>> b = blah.Blah()
>
>>>> str(b['hello'])
>
> Value is: hello
>
>>>> str(b[3.2])
>
> Value is: 3.2
>
>>>> str(b[10])
>
> Value (int) is: 10
>
>
>
> It seems like without explicit typedefs, SIP won't know how to generate
> the templated wrapped Blah.
Correct.
> But, is there a preferred way to get the
> above interface with minimal code without necessarily resorting to using
> %MappedTypes?
Only if you know all the types in advance, in which case you can just
overload __getitem__().
Phil
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