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use string_view in interface

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This commit is contained in:
Hans Dembinski
2017-10-13 17:00:15 +02:00
parent c07162e7a8
commit c6c17ad4a3
2 changed files with 30 additions and 23 deletions
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17
src/python/axis.cpp
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@@ -115,6 +115,17 @@ template <typename T> std::string axis_repr(const T &t) {
return os.str();
}
template <typename T> void axis_set_label(T& t, python::str s) {
const char* d = python::extract<const char*>(s);
const auto n = python::len(s);
t.label(string_view(d, n));
}
template <typename T> python::str axis_get_label(const T& t) {
auto s = t.label();
return {s.data(), s.size()};
}
template <class T>
struct axis_suite : public python::def_visitor<axis_suite<T>> {
template <class Class> static void visit(Class &cl) {
@@ -123,11 +134,7 @@ struct axis_suite : public python::def_visitor<axis_suite<T>> {
"shape", &T::shape,
"Number of bins, including possible over- and underflow bins.");
cl.add_property(
"label",
make_function(
(const std::string &(T::*)() const) & T::label,
python::return_value_policy<python::copy_const_reference>()),
(void (T::*)(const std::string &)) & T::label,
"label", axis_get_label<T>, axis_set_label<T>,
"Name or description for the axis.");
cl.def("index", &T::index, ":param float x: value"
"\n:returns: bin index for the passed value",