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diff --git a/python/py_utils.cc b/python/py_utils.cc
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-/*
- * Copyright (c) 2003-2009, John Wiegley. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of New Artisans LLC nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "pyinterp.h"
-#include "pyutils.h"
-
-namespace ledger {
-
-using namespace boost::python;
-
-struct bool_to_python
-{
- static PyObject * convert(const bool truth)
- {
- if (truth)
- Py_RETURN_TRUE;
- else
- Py_RETURN_FALSE;
- }
-};
-
-struct bool_from_python
-{
- static void* convertible(PyObject* obj_ptr)
- {
- if (!PyBool_Check(obj_ptr)) return 0;
- return obj_ptr;
- }
-
- static void construct(PyObject* obj_ptr,
- converter::rvalue_from_python_stage1_data* data)
- {
- void* storage = ((converter::rvalue_from_python_storage<bool>*) data)->storage.bytes;
- if (obj_ptr == Py_True)
- new (storage) bool(true);
- else
- new (storage) bool(false);
- data->convertible = storage;
- }
-};
-
-typedef register_python_conversion<bool, bool_to_python, bool_from_python>
- bool_python_conversion;
-
-
-struct string_to_python
-{
- static PyObject* convert(const string& str)
- {
- return incref(object(*boost::polymorphic_downcast<const std::string *>(&str)).ptr());
- }
-};
-
-struct string_from_python
-{
- static void* convertible(PyObject* obj_ptr)
- {
- if (!PyString_Check(obj_ptr)) return 0;
- return obj_ptr;
- }
-
- static void construct(PyObject* obj_ptr, converter::rvalue_from_python_stage1_data* data)
- {
- const char* value = PyString_AsString(obj_ptr);
- if (value == 0) throw_error_already_set();
- void* storage =
- reinterpret_cast<converter::rvalue_from_python_storage<string> *>(data)->storage.bytes;
- new (storage) string(value);
- data->convertible = storage;
- }
-};
-
-typedef register_python_conversion<string, string_to_python, string_from_python>
- string_python_conversion;
-
-
-struct istream_to_python
-{
- static PyObject* convert(const std::istream&)
- {
- return incref(boost::python::detail::none());
- }
-};
-
-struct istream_from_python
-{
- static void* convertible(PyObject* obj_ptr)
- {
- if (!PyFile_Check(obj_ptr)) return 0;
- return obj_ptr;
- }
-
- static void construct(PyObject* obj_ptr, converter::rvalue_from_python_stage1_data* data)
- {
- void* storage =
- reinterpret_cast<converter::rvalue_from_python_storage<pyifstream> *>(data)->storage.bytes;
- new (storage) pyifstream(reinterpret_cast<PyFileObject *>(obj_ptr));
- data->convertible = storage;
- }
-};
-
-typedef register_python_conversion<std::istream, istream_to_python, istream_from_python>
- istream_python_conversion;
-
-
-struct ostream_to_python
-{
- static PyObject* convert(const std::ostream&)
- {
- return incref(boost::python::detail::none());
- }
-};
-
-struct ostream_from_python
-{
- static void* convertible(PyObject* obj_ptr)
- {
- if (!PyFile_Check(obj_ptr)) return 0;
- return obj_ptr;
- }
-
- static void construct(PyObject* obj_ptr, converter::rvalue_from_python_stage1_data* data)
- {
- void* storage = reinterpret_cast<converter::rvalue_from_python_storage<pyofstream> *>(data)->storage.bytes;
- new (storage) pyofstream(reinterpret_cast<PyFileObject *>(obj_ptr));
- data->convertible = storage;
- }
-};
-
-typedef register_python_conversion<std::ostream, ostream_to_python, ostream_from_python>
- ostream_python_conversion;
-
-
-void export_utils()
-{
- bool_python_conversion();
- string_python_conversion();
- istream_python_conversion();
- ostream_python_conversion();
-}
-
-} // namespace ledger