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add wchar_t caster

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This commit is contained in:
hulucc 2016-03-02 15:07:08 +08:00
parent c8f68b3d92
commit a88334f9c2
1 changed files with 33 additions and 0 deletions
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33
include/pybind11/cast.h
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@ -404,6 +404,39 @@ protected:
std::string value;
};
template <> class type_caster<wchar_t> {
public:
bool load(handle src, bool) {
object temp;
handle load_src = src;
if (!PyUnicode_Check(load_src.ptr())) {
temp = object(PyUnicode_FromObject(load_src.ptr()), false);
if (!temp) { PyErr_Clear(); return false; }
load_src = temp;
}
wchar_t *buffer = PyUnicode_AS_UNICODE(load_src.ptr());
size_t length = PyUnicode_GET_SIZE(load_src.ptr());
value = std::wstring(buffer, length);
return true;
}
static handle cast(const wchar_t *src, return_value_policy /* policy */, handle /* parent */) {
return PyUnicode_FromWideChar(src, wcslen(src));
}
static handle cast(wchar_t src, return_value_policy /* policy */, handle /* parent */) {
wchar_t wstr[2] = { src, L'\0' };
return PyUnicode_FromWideChar(wstr, 1);
}
operator wchar_t*() { return (wchar_t *)value.c_str(); }
operator wchar_t() { if (value.length() > 0) return value[0]; else return L'\0'; }
static PYBIND11_DESCR name() { return type_descr(_(PYBIND11_STRING_NAME)); }
protected:
std::wstring value;
};
template <typename T1, typename T2> class type_caster<std::pair<T1, T2>> {
typedef std::pair<T1, T2> type;
public: