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/*
* PConvArgsToPyList
* PConvArgsFromPyList
*
* Templated convenience function to create a Python list from
* 2 to 6 (arbitrary number with C++11) arguments and vice versa
*
* TODO: remove non-variadic part when full C++11 supports becomes available
*/
#include "os_python.h"
#include "PyMOLGlobals.h"
#include "PConv.h"
/*
* PConvArgsToPyList
*/
#if __cplusplus >= 201103L
// variadic templates
inline void _PConvArgsToPyList_SetItem(PyObject * list, int i) {
}
template <typename T, typename... Args>
inline void _PConvArgsToPyList_SetItem(PyObject * list, int i, const T& value, const Args&... rest) {
PyList_SET_ITEM(list, i, PConvToPyObject(value));
_PConvArgsToPyList_SetItem(list, i + 1, rest...);
}
template <typename... Args>
inline PyObject * PConvArgsToPyList(const Args&... args) {
PyObject * list = PyList_New(sizeof...(Args));
_PConvArgsToPyList_SetItem(list, 0, args...);
return list;
}
#else
// no variadic templates
template <class A, class B>
inline PyObject * PConvArgsToPyList(const A& a, const B& b) {
PyObject * obj = PyList_New(2);
PyList_SET_ITEM(obj, 0, PConvToPyObject(a));
PyList_SET_ITEM(obj, 1, PConvToPyObject(b));
return obj;
}
template <class A, class B, class C>
inline PyObject * PConvArgsToPyList(const A& a, const B& b, const C& c) {
PyObject * obj = PyList_New(3);
PyList_SET_ITEM(obj, 0, PConvToPyObject(a));
PyList_SET_ITEM(obj, 1, PConvToPyObject(b));
PyList_SET_ITEM(obj, 2, PConvToPyObject(c));
return obj;
}
template <class A, class B, class C, class D>
inline PyObject * PConvArgsToPyList(const A& a, const B& b, const C& c, const D& d) {
PyObject * obj = PyList_New(4);
PyList_SET_ITEM(obj, 0, PConvToPyObject(a));
PyList_SET_ITEM(obj, 1, PConvToPyObject(b));
PyList_SET_ITEM(obj, 2, PConvToPyObject(c));
PyList_SET_ITEM(obj, 3, PConvToPyObject(d));
return obj;
}
template <class A, class B, class C, class D, class E>
inline PyObject * PConvArgsToPyList(const A& a, const B& b, const C& c, const D& d, const E& e) {
PyObject * obj = PyList_New(5);
PyList_SET_ITEM(obj, 0, PConvToPyObject(a));
PyList_SET_ITEM(obj, 1, PConvToPyObject(b));
PyList_SET_ITEM(obj, 2, PConvToPyObject(c));
PyList_SET_ITEM(obj, 3, PConvToPyObject(d));
PyList_SET_ITEM(obj, 4, PConvToPyObject(e));
return obj;
}
template <class A, class B, class C, class D, class E, class F>
inline PyObject * PConvArgsToPyList(const A& a, const B& b, const C& c, const D& d, const E& e, const F& f) {
PyObject * obj = PyList_New(6);
PyList_SET_ITEM(obj, 0, PConvToPyObject(a));
PyList_SET_ITEM(obj, 1, PConvToPyObject(b));
PyList_SET_ITEM(obj, 2, PConvToPyObject(c));
PyList_SET_ITEM(obj, 3, PConvToPyObject(d));
PyList_SET_ITEM(obj, 4, PConvToPyObject(e));
PyList_SET_ITEM(obj, 5, PConvToPyObject(f));
return obj;
}
#endif
/*
* PConvArgsFromPyList
*/
#if __cplusplus >= 201103L
// variadic templates
inline bool _PConvArgsFromPyList_GetItem(PyMOLGlobals * G, PyObject * list, int len, int i) {
return (len == i);
}
template <typename T, typename... Args>
inline bool _PConvArgsFromPyList_GetItem(PyMOLGlobals * G, PyObject * list, int len, int i, T& out, Args&... rest) {
if (len <= i)
return false;
PConvFromPyObject(G, PyList_GetItem(list, i), out);
return _PConvArgsFromPyList_GetItem(G, list, len, i + 1, rest...);
}
template <typename... Args>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * list, Args&... args) {
int len = PyList_Size(list);
return _PConvArgsFromPyList_GetItem(G, list, len, 0, args...);
}
#else
// no variadic templates
template <class A, class B>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * obj, A& a, B& b) {
int len = PyList_Size(obj);
if (len > 0) PConvFromPyObject(G, PyList_GetItem(obj, 0), a);
if (len > 1) PConvFromPyObject(G, PyList_GetItem(obj, 1), b);
return true;
}
template <class A, class B, class C>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * obj, A& a, B& b, C& c) {
int len = PyList_Size(obj);
if (len > 0) PConvFromPyObject(G, PyList_GetItem(obj, 0), a);
if (len > 1) PConvFromPyObject(G, PyList_GetItem(obj, 1), b);
if (len > 2) PConvFromPyObject(G, PyList_GetItem(obj, 2), c);
return true;
}
template <class A, class B, class C, class D>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * obj, A& a, B& b, C& c, D& d) {
int len = PyList_Size(obj);
if (len > 0) PConvFromPyObject(G, PyList_GetItem(obj, 0), a);
if (len > 1) PConvFromPyObject(G, PyList_GetItem(obj, 1), b);
if (len > 2) PConvFromPyObject(G, PyList_GetItem(obj, 2), c);
if (len > 3) PConvFromPyObject(G, PyList_GetItem(obj, 3), d);
return true;
}
template <class A, class B, class C, class D, class E>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * obj, A& a, B& b, C& c, D& d, E& e) {
int len = PyList_Size(obj);
if (len > 0) PConvFromPyObject(G, PyList_GetItem(obj, 0), a);
if (len > 1) PConvFromPyObject(G, PyList_GetItem(obj, 1), b);
if (len > 2) PConvFromPyObject(G, PyList_GetItem(obj, 2), c);
if (len > 3) PConvFromPyObject(G, PyList_GetItem(obj, 3), d);
if (len > 4) PConvFromPyObject(G, PyList_GetItem(obj, 4), e);
return true;
}
template <class A, class B, class C, class D, class E, class F>
inline bool PConvArgsFromPyList(PyMOLGlobals * G, PyObject * obj, A& a, B& b, C& c, D& d, E& e, F& f) {
int len = PyList_Size(obj);
if (len > 0) PConvFromPyObject(G, PyList_GetItem(obj, 0), a);
if (len > 1) PConvFromPyObject(G, PyList_GetItem(obj, 1), b);
if (len > 2) PConvFromPyObject(G, PyList_GetItem(obj, 2), c);
if (len > 3) PConvFromPyObject(G, PyList_GetItem(obj, 3), d);
if (len > 4) PConvFromPyObject(G, PyList_GetItem(obj, 4), e);
if (len > 5) PConvFromPyObject(G, PyList_GetItem(obj, 5), f);
return true;
}
#endif
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