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/*
Copyright (c) 2011-2012, ESN Social Software AB and Jonas Tarnstrom
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 the ESN Social Software AB 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 ESN SOCIAL SOFTWARE AB OR JONAS TARNSTROM 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.
Portions of code from:
MODP_ASCII - Ascii transformations (upper/lower, etc)
http://code.google.com/p/stringencoders/
Copyright (c) 2007 Nick Galbreath -- nickg [at] modp [dot] com. All rights reserved.
*/
#include "py_defines.h"
#include <ultrajson.h>
void Object_objectAddKey(JSOBJ obj, JSOBJ name, JSOBJ value)
{
PyDict_SetItem (obj, name, value);
Py_DECREF( (PyObject *) name);
Py_DECREF( (PyObject *) value);
return;
}
void Object_arrayAddItem(JSOBJ obj, JSOBJ value)
{
PyList_Append(obj, value);
Py_DECREF( (PyObject *) value);
return;
}
JSOBJ Object_newString(wchar_t *start, wchar_t *end)
{
return PyUnicode_FromWideChar (start, (end - start));
}
JSOBJ Object_newTrue(void)
{
Py_RETURN_TRUE;
}
JSOBJ Object_newFalse(void)
{
Py_RETURN_FALSE;
}
JSOBJ Object_newNull(void)
{
Py_RETURN_NONE;
}
JSOBJ Object_newObject(void)
{
return PyDict_New();
}
JSOBJ Object_newArray(void)
{
return PyList_New(0);
}
JSOBJ Object_newInteger(JSINT32 value)
{
return PyInt_FromLong( (long) value);
}
JSOBJ Object_newLong(JSINT64 value)
{
return PyLong_FromLongLong (value);
}
JSOBJ Object_newDouble(double value)
{
return PyFloat_FromDouble(value);
}
static void Object_releaseObject(JSOBJ obj)
{
Py_DECREF( ((PyObject *)obj));
}
PyObject* JSONToObj(PyObject* self, PyObject *arg)
{
PyObject *ret;
PyObject *sarg;
JSONObjectDecoder decoder =
{
Object_newString,
Object_objectAddKey,
Object_arrayAddItem,
Object_newTrue,
Object_newFalse,
Object_newNull,
Object_newObject,
Object_newArray,
Object_newInteger,
Object_newLong,
Object_newDouble,
Object_releaseObject,
PyObject_Malloc,
PyObject_Free,
PyObject_Realloc
};
if (PyString_Check(arg))
{
sarg = arg;
}
else
if (PyUnicode_Check(arg))
{
sarg = PyUnicode_AsUTF8String(arg);
if (sarg == NULL)
{
//Exception raised above us by codec according to docs
return NULL;
}
}
else
{
PyErr_Format(PyExc_TypeError, "Expected String or Unicode");
return NULL;
}
decoder.errorStr = NULL;
decoder.errorOffset = NULL;
ret = JSON_DecodeObject(&decoder, PyString_AS_STRING(sarg), PyString_GET_SIZE(sarg));
if (sarg != arg)
{
Py_DECREF(sarg);
}
if (decoder.errorStr)
{
/*
FIXME: It's possible to give a much nicer error message here with actual failing element in input etc*/
PyErr_Format (PyExc_ValueError, "%s", decoder.errorStr);
if (ret)
{
Py_DECREF( (PyObject *) ret);
}
return NULL;
}
return ret;
}
PyObject* JSONFileToObj(PyObject* self, PyObject *file)
{
PyObject *read;
PyObject *string;
PyObject *result;
if (!PyObject_HasAttrString (file, "read"))
{
PyErr_Format (PyExc_TypeError, "expected file");
return NULL;
}
read = PyObject_GetAttrString (file, "read");
if (!PyCallable_Check (read)) {
Py_XDECREF(read);
PyErr_Format (PyExc_TypeError, "expected file");
return NULL;
}
string = PyObject_CallObject (read, NULL);
Py_XDECREF(read);
if (string == NULL)
{
return NULL;
}
result = JSONToObj (self, string);
Py_XDECREF(string);
if (result == NULL) {
return NULL;
}
return result;
}
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