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jsarray.c
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jsarray.c
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/*
* Copyright 2009 Paul J. Davis <paul.joseph.davis@gmail.com>
*
* This file is part of the python-spidermonkey package released
* under the MIT license.
*
*/
#include "spidermonkey.h"
PyObject*
js2py_array(Context* cx, jsval val)
{
return make_object(ArrayType, cx, val);
}
Py_ssize_t
Array_length(Object* self)
{
Py_ssize_t ret = -1;
jsuint length;
JS_BeginRequest(self->cx->cx);
if(!JS_GetArrayLength(self->cx->cx, self->obj, &length))
{
PyErr_SetString(PyExc_AttributeError, "Failed to get array length.");
goto done;
}
ret = (Py_ssize_t) length;
done:
JS_EndRequest(self->cx->cx);
return ret;
}
PyObject*
Array_get_item(Object* self, Py_ssize_t idx)
{
PyObject* ret = NULL;
jsval rval;
jsint pos = (jsint) idx;
JS_BeginRequest(self->cx->cx);
if(idx >= Array_length(self))
{
PyErr_SetString(PyExc_IndexError, "List index out of range.");
goto done;
}
if(!JS_GetElement(self->cx->cx, self->obj, pos, &rval))
{
PyErr_SetString(PyExc_AttributeError, "Failed to get array item.");
goto done;
}
ret = js2py(self->cx, rval);
done:
JS_EndRequest(self->cx->cx);
return ret;
}
int
Array_set_item(Object* self, Py_ssize_t idx, PyObject* val)
{
int ret = -1;
jsval pval;
jsint pos = (jsint) idx;
JS_BeginRequest(self->cx->cx);
pval = py2js(self->cx, val);
if(pval == JSVAL_VOID) goto done;
if(!JS_SetElement(self->cx->cx, self->obj, pos, &pval))
{
PyErr_SetString(PyExc_AttributeError, "Failed to set array item.");
goto done;
}
ret = 0;
done:
JS_EndRequest(self->cx->cx);
return ret;
}
PyObject*
Array_iterator(Object* self)
{
return PySeqIter_New((PyObject*) self);
}
static PyMemberDef Array_members[] = {
{0, 0, 0, 0}
};
static PyMethodDef Array_methods[] = {
{0, 0, 0, 0}
};
static PySequenceMethods Array_seq_methods = {
(lenfunc)Array_length, /*sq_length*/
0, /*sq_concat*/
0, /*sq_repeat*/
(ssizeargfunc)Array_get_item, /*sq_item*/
0, /*sq_slice*/
(ssizeobjargproc)Array_set_item, /*sq_ass_item*/
0, /*sq_ass_slice*/
0, /*sq_contains*/
0, /*sq_inplace_concat*/
0, /*sq_inplace_repeat*/
};
PyTypeObject _ArrayType = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"spidermonkey.Array", /*tp_name*/
sizeof(Object), /*tp_basicsize*/
0, /*tp_itemsize*/
0, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
&Array_seq_methods, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
"JavaScript Array", /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
(getiterfunc)Array_iterator, /*tp_iter*/
0, /*tp_iternext*/
Array_methods, /*tp_methods*/
Array_members, /*tp_members*/
0, /*tp_getset*/
0, /*tp_base*/
0, /*tp_dict*/
0, /*tp_descr_get*/
0, /*tp_descr_set*/
0, /*tp_dictoffset*/
0, /*tp_init*/
0, /*tp_alloc*/
0, /*tp_new*/
};