premiere-libtorrent/bindings/python/src/string.cpp

72 lines
1.9 KiB
C++

// Copyright Daniel Wallin 2006. Use, modification and distribution is
// subject to the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/python.hpp>
#include "libtorrent/utf8.hpp"
#include <string>
using namespace boost::python;
struct unicode_from_python
{
unicode_from_python()
{
converter::registry::push_back(
&convertible, &construct, type_id<std::string>()
);
}
static void* convertible(PyObject* x)
{
#if PY_VERSION_HEX >= 0x03020000
return PyBytes_Check(x) ? x : PyUnicode_Check(x) ? x : 0;
#else
return PyString_Check(x) ? x : PyUnicode_Check(x) ? x : 0;
#endif
}
static void construct(PyObject* x, converter::rvalue_from_python_stage1_data* data)
{
using libtorrent::wchar_utf8;
void* storage = ((converter::rvalue_from_python_storage<
std::string>*)data)->storage.bytes;
if (PyUnicode_Check(x))
{
std::wstring str;
str.resize(PyUnicode_GetSize(x) + 1, 0);
#if PY_VERSION_HEX >= 0x03020000
int len = PyUnicode_AsWideChar(x, &str[0], str.size());
#else
int len = PyUnicode_AsWideChar((PyUnicodeObject*)x, &str[0], str.size());
#endif
if (len > -1)
{
assert(len < str.size());
str[len] = 0;
}
else str[str.size()-1] = 0;
std::string utf8;
int ret = wchar_utf8(str, utf8);
new (storage) std::string(utf8);
}
else
{
#if PY_VERSION_HEX >= 0x03000000
new (storage) std::string(PyBytes_AsString(x));
#else
new (storage) std::string(PyString_AsString(x));
#endif
}
data->convertible = storage;
}
};
void bind_unicode_string_conversion()
{
unicode_from_python();
}