Re: [PyKDE] Interfacing to C++ standard library

[Torsten Marek]

Jim Bublitz schrieb:

On 11-Dec-02 Paul F. Kunz wrote:

  To complete my SIP based Python extension module, I need to
convert from C++ to Python and vica versa an std::vector<double>
and std::vector<std::string>.   I found some hints in this
mailing list's archive dated 13 Apr 2002.   Is there a better
source of information on how to proceed?

...
You'll might also need to use the same methods for std::string
to convert to/from either a Python string or QString if it's used
outside the mapped type/member code for std::vector<std::string>.

This is the mapping code for string:

%MappedType string
{
%HeaderCode
#include <string>
%End
%ConvertFromTypeCode
const char *s = sipCpp->c_str();
return PyString_FromString(s);
%End
%ConvertToTypeCode
// Allow a Python string whenever a string is expected.
if (sipIsErr == NULL)
return PyString_Check(sipPy);
if (sipPy == Py_None) {
*sipCppPtr = NULL;
return 0;
}
if (PyString_Check(sipPy)) {
*sipCppPtr = new string(PyString_AS_STRING(sipPy));
return 0;
}
*sipCppPtr = (string *)sipForceConvertTo_string(sipPy,sipIsErr);
return 1;
%End
};

It should just need string being replaced by std::string and sipForceConvertTo_string(...) renamed to sipForceConvertTo_std_string(...), but I'm not really sure about the naming scheme, so please try yourself, before I post incorrect code.

Greetings

Torsten

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