open_toontown_panda3d/panda/src/express/virtualFileSystem_ext.cxx

83 lines
2.8 KiB
C++

// Filename: virtualFileSystem_ext.cxx
// Created by: rdb (12Sep13)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#include "virtualFileSystem_ext.h"
#ifdef HAVE_PYTHON
////////////////////////////////////////////////////////////////////
// Function: VirtualFileSystem::read_file
// Access: Published
// Description: Convenience function; returns the entire contents of
// the indicated file as a string (or as a bytes object,
// in Python 3).
//
// This variant on read_file() is implemented directly
// for Python, as a small optimization, to avoid the
// double-construction of a string object that would be
// otherwise required for the return value.
////////////////////////////////////////////////////////////////////
PyObject *Extension<VirtualFileSystem>::
read_file(const Filename &filename, bool auto_unwrap) const {
pvector<unsigned char> pv;
bool okflag = _this->read_file(filename, pv, auto_unwrap);
nassertr(okflag, NULL);
#if PY_MAJOR_VERSION >= 3
if (pv.empty()) {
return PyBytes_FromStringAndSize("", 0);
} else {
return PyBytes_FromStringAndSize((const char *)&pv[0], pv.size());
}
#else
if (pv.empty()) {
return PyString_FromStringAndSize("", 0);
} else {
return PyString_FromStringAndSize((const char *)&pv[0], pv.size());
}
#endif
}
////////////////////////////////////////////////////////////////////
// Function: VirtualFileSystem::write_file
// Access: Published
// Description: Convenience function; writes the entire contents of
// the indicated file as a string.
//
// This variant on write_file() is implemented directly
// for Python, as a small optimization, to avoid the
// double-construction of a string object that would be
// otherwise required.
////////////////////////////////////////////////////////////////////
PyObject *Extension<VirtualFileSystem>::
write_file(const Filename &filename, PyObject *data, bool auto_wrap) {
char *buffer;
Py_ssize_t length;
#if PY_MAJOR_VERSION >= 3
if (PyBytes_AsStringAndSize(data, &buffer, &length) == -1) {
return NULL;
}
#else
if (PyString_AsStringAndSize(data, &buffer, &length) == -1) {
return NULL;
}
#endif
bool result = _this->write_file(filename, (const unsigned char *)buffer, length, auto_wrap);
return PyBool_FromLong(result);
}
#endif // HAVE_PYTHON