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/*
* This file is part of the Shiboken Python Bindings Generator project.
*
* Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "sbkstring.h"
#include "autodecref.h"
namespace Shiboken
{
namespace String
{
bool checkType(PyTypeObject* type)
{
return type == &PyUnicode_Type
#if PY_MAJOR_VERSION < 3
|| type == &PyString_Type
#endif
;
}
bool check(PyObject* obj)
{
return obj == Py_None ||
#if PY_MAJOR_VERSION < 3
PyString_Check(obj) ||
#endif
PyUnicode_Check(obj);
}
bool checkChar(PyObject* pyobj)
{
if (check(pyobj) && (len(pyobj) == 1))
return true;
return false;
}
bool isConvertible(PyObject* obj)
{
return check(obj);
}
PyObject* fromCString(const char* value)
{
#ifdef IS_PY3K
return PyUnicode_FromString(value);
#else
return PyBytes_FromString(value);
#endif
}
PyObject* fromCString(const char* value, int len)
{
#ifdef IS_PY3K
return PyUnicode_FromStringAndSize(value, len);
#else
return PyBytes_FromStringAndSize(value, len);
#endif
}
const char* toCString(PyObject* str, Py_ssize_t* len)
{
if (str == Py_None)
return NULL;
#ifdef IS_PY3K
if (PyUnicode_Check(str)) {
if (len) {
// We need to encode the unicode string into utf8 to know the size of returned char*.
Shiboken::AutoDecRef uniStr(PyUnicode_AsUTF8String(str));
*len = PyBytes_GET_SIZE(uniStr.object());
}
// Return unicode from str instead of uniStr, because the lifetime of the returned pointer
// depends on the lifetime of str.
return _PyUnicode_AsString(str);
}
#endif
if (PyBytes_Check(str)) {
if (len)
*len = PyBytes_GET_SIZE(str);
return PyBytes_AS_STRING(str);
}
return 0;
}
bool concat(PyObject** val1, PyObject* val2)
{
if (PyUnicode_Check(*val1) && PyUnicode_Check(val2)) {
PyObject* result = PyUnicode_Concat(*val1, val2);
Py_DECREF(*val1);
*val1 = result;
return true;
}
if (PyBytes_Check(*val1) && PyBytes_Check(val2)) {
PyBytes_Concat(val1, val2);
return true;
}
#if PY_MAJOR_VERSION < 3
if (PyString_Check(*val1) && PyString_Check(val2)) {
PyString_Concat(val1, val2);
return true;
}
#endif
return false;
}
PyObject* fromFormat(const char* format, ...)
{
va_list argp;
va_start(argp, format);
PyObject* result = 0;
#ifdef IS_PY3K
result = PyUnicode_FromFormatV(format, argp);
#else
result = PyString_FromFormatV(format, argp);
#endif
va_end(argp);
return result;
}
PyObject* fromStringAndSize(const char* str, Py_ssize_t size)
{
#ifdef IS_PY3K
return PyUnicode_FromStringAndSize(str, size);
#else
return PyString_FromStringAndSize(str, size);
#endif
}
int compare(PyObject* val1, const char* val2)
{
if (PyUnicode_Check(val1))
#ifdef IS_PY3K
return PyUnicode_CompareWithASCIIString(val1, val2);
#else
{
PyObject* uVal2 = PyUnicode_FromString(val2);
bool result = PyUnicode_Compare(val1, uVal2);
Py_XDECREF(uVal2);
return result;
}
if (PyString_Check(val1))
return strcmp(PyString_AS_STRING(val1), val2);
#endif
return 0;
}
Py_ssize_t len(PyObject* str)
{
if (str == Py_None)
return 0;
if (PyUnicode_Check(str))
return PyUnicode_GET_SIZE(str);
if (PyBytes_Check(str))
return PyBytes_GET_SIZE(str);
return 0;
}
} // namespace String
} // namespace Shiboken
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