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#include "BPy_ChainingIterator.h"
#include "../BPy_Convert.h"
#include "../Interface0D/BPy_ViewVertex.h"
#include "../Interface1D/BPy_ViewEdge.h"
#include "BPy_AdjacencyIterator.h"
#ifdef __cplusplus
extern "C" {
#endif
///////////////////////////////////////////////////////////////////////////////////////////
/*--------------- Python API function prototypes for ChainingIterator instance -----------*/
static int ChainingIterator___init__(BPy_ChainingIterator *self, PyObject *args);
static PyObject * ChainingIterator_init( BPy_ChainingIterator *self );
static PyObject * ChainingIterator_traverse( BPy_ChainingIterator *self, PyObject *args );
static PyObject * ChainingIterator_getVertex( BPy_ChainingIterator *self );
static PyObject * ChainingIterator_isIncrementing( BPy_ChainingIterator *self );
static PyObject * ChainingIterator_getObject( BPy_ChainingIterator *self);
/*----------------------ChainingIterator instance definitions ----------------------------*/
static PyMethodDef BPy_ChainingIterator_methods[] = {
{"init", ( PyCFunction ) ChainingIterator_init, METH_NOARGS, "() Inits the iterator context. This method is called each time a new chain is started. It can be used to reset some history information that you might want to keep."},
{"traverse", ( PyCFunction ) ChainingIterator_traverse, METH_VARARGS, "(AdjacencyIterator ai) This method iterates over the potential next ViewEdges and returns the one that will be followed next. Returns the next ViewEdge to follow or 0 when the end of the chain is reached. "},
{"getVertex", ( PyCFunction ) ChainingIterator_getVertex, METH_NOARGS, "() Returns the vertex which is the next crossing "},
{"isIncrementing", ( PyCFunction ) ChainingIterator_isIncrementing, METH_NOARGS, "() Returns true if the current iteration is an incrementation."},
{"getObject", ( PyCFunction ) ChainingIterator_getObject, METH_NOARGS, "() Get object referenced by the iterator"},
{NULL, NULL, 0, NULL}
};
/*-----------------------BPy_ChainingIterator type definition ------------------------------*/
PyTypeObject ChainingIterator_Type = {
PyObject_HEAD_INIT( NULL )
0, /* ob_size */
"ChainingIterator", /* tp_name */
sizeof( BPy_ChainingIterator ), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
NULL, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */
NULL, /* tp_repr */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
NULL, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_ChainingIterator_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
NULL, /* struct PyGetSetDef *tp_getset; */
&ViewEdgeIterator_Type, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
(initproc)ChainingIterator___init__, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
//------------------------INSTANCE METHODS ----------------------------------
int ChainingIterator___init__(BPy_ChainingIterator *self, PyObject *args )
{
PyObject *obj1 = 0, *obj2 = 0, *obj3 = 0, *obj4 = 0;
if (!( PyArg_ParseTuple(args, "|OOOO", &obj1, &obj2, &obj3, &obj4) ))
return -1;
if( obj1 && BPy_ChainingIterator_Check(obj1) ) {
self->c_it = new ChainingIterator(*( ((BPy_ChainingIterator *) obj1)->c_it ));
} else {
bool restrictToSelection = ( obj1 ) ? bool_from_PyBool(obj1) : true;
bool restrictToUnvisited = ( obj2 ) ? bool_from_PyBool(obj2) : true;
ViewEdge *begin;
if ( !obj3 || obj3 == Py_None )
begin = NULL;
else if ( BPy_ViewEdge_Check(obj3) )
begin = ((BPy_ViewEdge *) obj3)->ve;
else {
PyErr_SetString(PyExc_TypeError, "3rd argument must be either a ViewEdge object or None");
return -1;
}
bool orientation = ( obj4 ) ? bool_from_PyBool(obj4) : true;
self->c_it = new ChainingIterator( restrictToSelection, restrictToUnvisited, begin, orientation);
}
self->py_ve_it.ve_it = self->c_it;
self->py_ve_it.py_it.it = self->c_it;
self->c_it->py_c_it = (PyObject *) self;
return 0;
}
PyObject *ChainingIterator_init( BPy_ChainingIterator *self ) {
self->c_it->init();
Py_RETURN_NONE;
}
PyObject *ChainingIterator_traverse( BPy_ChainingIterator *self, PyObject *args ) {
PyObject *py_a_it;
if(!( PyArg_ParseTuple(args, "O!", &AdjacencyIterator_Type, &py_a_it) ))
return NULL;
if( ((BPy_AdjacencyIterator *) py_a_it)->a_it )
self->c_it->traverse(*( ((BPy_AdjacencyIterator *) py_a_it)->a_it ));
Py_RETURN_NONE;
}
PyObject *ChainingIterator_getVertex( BPy_ChainingIterator *self ) {
if( self->c_it->getVertex() )
return BPy_ViewVertex_from_ViewVertex_ptr( self->c_it->getVertex() );
Py_RETURN_NONE;
}
PyObject *ChainingIterator_isIncrementing( BPy_ChainingIterator *self ) {
return PyBool_from_bool( self->c_it->isIncrementing() );
}
PyObject * ChainingIterator_getObject( BPy_ChainingIterator *self) {
ViewEdge *ve = self->c_it->operator*();
if( ve )
return BPy_ViewEdge_from_ViewEdge_ptr( ve );
Py_RETURN_NONE;
}
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
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