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+#include "BPy_ChainPredicateIterator.h"
+
+#include "../BPy_Convert.h"
+#include "../BPy_BinaryPredicate1D.h"
+#include "../Interface1D/BPy_ViewEdge.h"
+#include "../BPy_UnaryPredicate1D.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+//------------------------INSTANCE METHODS ----------------------------------
+
+static char ChainPredicateIterator___doc__[] =
+"Class hierarchy: :class:`Iterator` > :class:`ViewEdgeIterator` > :class:`ChainingIterator` > :class:`ChainPredicateIterator`\n"
+"\n"
+"A \"generic\" user-controlled ViewEdge iterator. This iterator is in\n"
+"particular built from a unary predicate and a binary predicate.\n"
+"First, the unary predicate is evaluated for all potential next\n"
+"ViewEdges in order to only keep the ones respecting a certain\n"
+"constraint. Then, the binary predicate is evaluated on the current\n"
+"ViewEdge together with each ViewEdge of the previous selection. The\n"
+"first ViewEdge respecting both the unary predicate and the binary\n"
+"predicate is kept as the next one. If none of the potential next\n"
+"ViewEdge respects these two predicates, None is returned.\n"
+"\n"
+".. method:: __init__(iRestrictToSelection=True, iRestrictToUnvisited=True, begin=None, orientation=True)\n"
+"\n"
+" Builds a ChainPredicateIterator from a starting ViewEdge and its\n"
+" orientation.\n"
+"\n"
+" :arg iRestrictToSelection: Indicates whether to force the chaining\n"
+" to stay within the set of selected ViewEdges or not.\n"
+" :type iRestrictToSelection: bool\n"
+" :arg iRestrictToUnvisited: Indicates whether a ViewEdge that has\n"
+" already been chained must be ignored ot not.\n"
+" :type iRestrictToUnvisited: bool\n"
+" :arg begin: The ViewEdge from where to start the iteration.\n"
+" :type begin: :class:`ViewEdge` or None\n"
+" :arg orientation: If true, we'll look for the next ViewEdge among\n"
+" the ViewEdges that surround the ending ViewVertex of begin. If\n"
+" false, we'll search over the ViewEdges surrounding the ending\n"
+" ViewVertex of begin. \n"
+" :type orientation: bool\n"
+"\n"
+".. method:: __init__(upred, bpred, iRestrictToSelection=True, iRestrictToUnvisited=True, begin=None, orientation=True)\n"
+"\n"
+" Builds a ChainPredicateIterator from a unary predicate, a binary\n"
+" predicate, a starting ViewEdge and its orientation.\n"
+"\n"
+" :arg upred: The unary predicate that the next ViewEdge must satisfy.\n"
+" :type upred: :class:`UnaryPredicate1D`\n"
+" :arg bpred: The binary predicate that the next ViewEdge must\n"
+" satisfy together with the actual pointed ViewEdge.\n"
+" :type bpred: :class:`BinaryPredicate1D`\n"
+" :arg iRestrictToSelection: Indicates whether to force the chaining\n"
+" to stay within the set of selected ViewEdges or not.\n"
+" :type iRestrictToSelection: bool\n"
+" :arg iRestrictToUnvisited: Indicates whether a ViewEdge that has\n"
+" already been chained must be ignored ot not.\n"
+" :type iRestrictToUnvisited: bool\n"
+" :arg begin: The ViewEdge from where to start the iteration.\n"
+" :type begin: :class:`ViewEdge` or None\n"
+" :arg orientation: If true, we'll look for the next ViewEdge among\n"
+" the ViewEdges that surround the ending ViewVertex of begin. If\n"
+" false, we'll search over the ViewEdges surrounding the ending\n"
+" ViewVertex of begin.\n"
+" :type orientation: bool\n"
+"\n"
+".. method:: __init__(brother)\n"
+"\n"
+" Copy constructor.\n"
+"\n"
+" :arg brother: A ChainPredicateIterator object.\n"
+" :type brother: :class:`ChainPredicateIterator`\n";
+
+static int ChainPredicateIterator___init__(BPy_ChainPredicateIterator *self, PyObject *args )
+{
+ PyObject *obj1 = 0, *obj2 = 0, *obj3 = 0, *obj4 = 0, *obj5 = 0, *obj6 = 0;
+
+ if (!( PyArg_ParseTuple(args, "|OOOOOO", &obj1, &obj2, &obj3, &obj4, &obj5, &obj6) ))
+ return -1;
+
+ if( obj1 && BPy_ChainPredicateIterator_Check(obj1) ) {
+ self->cp_it = new ChainPredicateIterator(*( ((BPy_ChainPredicateIterator *) obj1)->cp_it ));
+ self->upred = NULL;
+ self->bpred = NULL;
+
+ } else if( obj1 && BPy_UnaryPredicate1D_Check(obj1) &&
+ obj2 && BPy_BinaryPredicate1D_Check(obj2) ) {
+
+ if (!((BPy_UnaryPredicate1D *) obj1)->up1D) {
+ PyErr_SetString(PyExc_TypeError, "1st argument: invalid UnaryPredicate1D object");
+ return -1;
+ }
+ if (!((BPy_BinaryPredicate1D *) obj2)->bp1D) {
+ PyErr_SetString(PyExc_TypeError, "2nd argument: invalid BinaryPredicate1D object");
+ return -1;
+ }
+ UnaryPredicate1D *up1D = ((BPy_UnaryPredicate1D *) obj1)->up1D;
+ BinaryPredicate1D *bp1D = ((BPy_BinaryPredicate1D *) obj2)->bp1D;
+ bool restrictToSelection = ( obj3 ) ? bool_from_PyBool(obj3) : true;
+ bool restrictToUnvisited = ( obj4 ) ? bool_from_PyBool(obj4) : true;
+ ViewEdge *begin;
+ if ( !obj5 || obj5 == Py_None )
+ begin = NULL;
+ else if ( BPy_ViewEdge_Check(obj5) )
+ begin = ((BPy_ViewEdge *) obj5)->ve;
+ else {
+ PyErr_SetString(PyExc_TypeError, "5th argument must be either a ViewEdge object or None");
+ return -1;
+ }
+ bool orientation = ( obj6 ) ? bool_from_PyBool(obj6) : true;
+
+ self->cp_it = new ChainPredicateIterator( *up1D, *bp1D, restrictToSelection, restrictToUnvisited, begin, orientation);
+ self->upred = obj1;
+ self->bpred = obj2;
+ Py_INCREF( self->upred );
+ Py_INCREF( self->bpred );
+
+ } 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->cp_it = new ChainPredicateIterator( restrictToSelection, restrictToUnvisited, begin, orientation);
+ self->upred = NULL;
+ self->bpred = NULL;
+ }
+
+ self->py_c_it.c_it = self->cp_it;
+ self->py_c_it.py_ve_it.ve_it = self->cp_it;
+ self->py_c_it.py_ve_it.py_it.it = self->cp_it;
+
+
+ return 0;
+
+}
+
+static void ChainPredicateIterator___dealloc__(BPy_ChainPredicateIterator *self)
+{
+ Py_XDECREF( self->upred );
+ Py_XDECREF( self->bpred );
+ ChainingIterator_Type.tp_dealloc((PyObject *)self);
+}
+
+/*-----------------------BPy_ChainPredicateIterator type definition ------------------------------*/
+
+PyTypeObject ChainPredicateIterator_Type = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "ChainPredicateIterator", /* tp_name */
+ sizeof(BPy_ChainPredicateIterator), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)ChainPredicateIterator___dealloc__, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_reserved */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* 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 */
+ ChainPredicateIterator___doc__, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ &ChainingIterator_Type, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc)ChainPredicateIterator___init__, /* tp_init */
+ 0, /* tp_alloc */
+ 0, /* tp_new */
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif
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