370 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			370 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License
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|  * as published by the Free Software Foundation; either version 2
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|  * of the License, or (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software Foundation,
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|  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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|  *
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|  * The Original Code is Copyright (C) 2012 Blender Foundation.
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|  * All rights reserved.
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|  */
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| 
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| /** \file
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|  * \ingroup pybmesh
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|  *
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|  * This file defines the 'bmesh.ops' module.
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|  * Operators from 'opdefines' are wrapped.
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|  */
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| 
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| #include <Python.h>
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| 
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| #include "BLI_utildefines.h"
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| #include "BLI_dynstr.h"
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| 
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| #include "MEM_guardedalloc.h"
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| 
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| 
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| #include "bmesh.h"
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| 
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| #include "bmesh_py_ops_call.h"
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| #include "bmesh_py_ops.h"  /* own include */
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| 
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| /* bmesh operator 'bmesh.ops.*' callable types
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|  * ******************************************* */
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| static PyTypeObject bmesh_op_Type;
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| 
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| static PyObject *bpy_bmesh_op_CreatePyObject(const char *opname)
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| {
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| 	BPy_BMeshOpFunc *self = PyObject_New(BPy_BMeshOpFunc, &bmesh_op_Type);
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| 
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| 	self->opname = opname;
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| 
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| 	return (PyObject *)self;
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| }
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| 
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| static PyObject *bpy_bmesh_op_repr(BPy_BMeshOpFunc *self)
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| {
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| 	return PyUnicode_FromFormat("<%.200s bmesh.ops.%.200s()>",
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| 	                            Py_TYPE(self)->tp_name,
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| 	                            self->opname);
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| }
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| 
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| 
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| /* methods
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|  * ======= */
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| 
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| 
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| /* __doc__
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|  * ------- */
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| 
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| static char *bmp_slots_as_args(const BMOSlotType slot_types[BMO_OP_MAX_SLOTS], const bool is_out)
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| {
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| 	DynStr *dyn_str = BLI_dynstr_new();
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| 	char *ret;
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| 	bool quoted;
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| 	bool set;
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| 
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| 	int i = 0;
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| 
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| 	while (*slot_types[i].name) {
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| 		quoted = false;
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| 		set = false;
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| 		/* cut off '.out' by using a string size arg */
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| 		const int name_len = is_out ?
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| 		        (strchr(slot_types[i].name, '.') - slot_types[i].name) :
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| 		        sizeof(slot_types[i].name);
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| 		const char *value = "<Unknown>";
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| 		switch (slot_types[i].type) {
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| 			case BMO_OP_SLOT_BOOL:          value = "False"; break;
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| 			case BMO_OP_SLOT_INT:
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| 				if (slot_types[i].subtype.intg == BMO_OP_SLOT_SUBTYPE_INT_ENUM) {
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| 					value = slot_types[i].enum_flags[0].identifier;
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| 					quoted = true;
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| 				}
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| 				else if (slot_types[i].subtype.intg == BMO_OP_SLOT_SUBTYPE_INT_FLAG) {
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| 					value = "";
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| 					set = true;
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| 				}
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| 				else {
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| 					value = "0";
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| 				}
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| 				break;
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| 			case BMO_OP_SLOT_FLT:           value = "0.0"; break;
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| 			case BMO_OP_SLOT_PTR:           value = "None"; break;
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| 			case BMO_OP_SLOT_MAT:           value = "Matrix()"; break;
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| 			case BMO_OP_SLOT_VEC:           value = "Vector()"; break;
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| 			case BMO_OP_SLOT_ELEMENT_BUF:   value =
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| 			     (slot_types[i].subtype.elem & BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE) ? "None" : "[]"; break;
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| 			case BMO_OP_SLOT_MAPPING:       value = "{}"; break;
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| 		}
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| 		BLI_dynstr_appendf(
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| 		        dyn_str, i ? ", %.*s=%s%s%s%s%s" : "%.*s=%s%s%s%s%s",
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| 		        name_len, slot_types[i].name,
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| 		        set ? "{" : "", quoted ? "'" : "",
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| 		        value,
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| 		        quoted ? "'" : "", set ? "}" : "");
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| 		i++;
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| 	}
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| 
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| 	ret = BLI_dynstr_get_cstring(dyn_str);
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| 	BLI_dynstr_free(dyn_str);
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| 	return ret;
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| }
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| 
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| static PyObject *bpy_bmesh_op_doc_get(BPy_BMeshOpFunc *self, void *UNUSED(closure))
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| {
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| 	PyObject *ret;
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| 	char *slot_in;
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| 	char *slot_out;
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| 	int i;
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| 
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| 	i = BMO_opcode_from_opname(self->opname);
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| 
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| 	slot_in  = bmp_slots_as_args(bmo_opdefines[i]->slot_types_in, false);
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| 	slot_out = bmp_slots_as_args(bmo_opdefines[i]->slot_types_out, true);
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| 
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| 	ret = PyUnicode_FromFormat("%.200s bmesh.ops.%.200s(bmesh, %s)\n  -> dict(%s)",
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| 	                           Py_TYPE(self)->tp_name,
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| 	                           self->opname, slot_in, slot_out);
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| 
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| 	MEM_freeN(slot_in);
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| 	MEM_freeN(slot_out);
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| 
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| 	return ret;
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| }
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| 
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| static PyGetSetDef bpy_bmesh_op_getseters[] = {
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| 	{(char *)"__doc__", (getter)bpy_bmesh_op_doc_get, (setter)NULL, NULL, NULL},
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| 	{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
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| };
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| 
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| 
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| /* Types
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|  * ===== */
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| 
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| static PyTypeObject bmesh_op_Type = {
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| 	PyVarObject_HEAD_INIT(NULL, 0)
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| 	"BMeshOpFunc",              /* tp_name */
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| 	sizeof(BPy_BMeshOpFunc),    /* tp_basicsize */
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| 	0,                          /* tp_itemsize */
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| 	/* methods */
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| 	NULL,                       /* tp_dealloc */
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| 	NULL,                       /* printfunc tp_print; */
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| 	NULL,                       /* getattrfunc tp_getattr; */
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| 	NULL,                       /* setattrfunc tp_setattr; */
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| 	NULL,                       /* tp_compare */ /* DEPRECATED in python 3.0! */
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| 	(reprfunc) bpy_bmesh_op_repr, /* tp_repr */
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| 
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| 	/* Method suites for standard classes */
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| 
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| 	NULL,                       /* PyNumberMethods *tp_as_number; */
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| 	NULL,                       /* PySequenceMethods *tp_as_sequence; */
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| 	NULL,                       /* PyMappingMethods *tp_as_mapping; */
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| 
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| 	/* More standard operations (here for binary compatibility) */
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| 
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| 	NULL,                       /* hashfunc tp_hash; */
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| 	(ternaryfunc)BPy_BMO_call,  /* ternaryfunc tp_call; */
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| 	NULL,                       /* reprfunc tp_str; */
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| 
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| 	/* will only use these if this is a subtype of a py class */
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| 	NULL,                       /* getattrofunc tp_getattro; */
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| 	NULL,                       /* setattrofunc tp_setattro; */
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| 
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| 	/* Functions to access object as input/output buffer */
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| 	NULL,                       /* PyBufferProcs *tp_as_buffer; */
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| 
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| 	/*** Flags to define presence of optional/expanded features ***/
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| 	Py_TPFLAGS_DEFAULT,         /* long tp_flags; */
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| 
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| 	NULL,                       /*  char *tp_doc;  Documentation string */
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| 	/*** Assigned meaning in release 2.0 ***/
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| 	/* call function for all accessible objects */
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| 	NULL,                       /* traverseproc tp_traverse; */
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| 
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| 	/* delete references to contained objects */
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| 	NULL,                       /* inquiry tp_clear; */
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| 
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| 	/***  Assigned meaning in release 2.1 ***/
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| 	/*** rich comparisons ***/
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| 	NULL,                       /* richcmpfunc tp_richcompare; */
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| 
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| 	/***  weak reference enabler ***/
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| 	0,
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| 	/*** Added in release 2.2 ***/
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| 	/*   Iterators */
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| 	NULL,                       /* getiterfunc tp_iter; */
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| 	NULL,                       /* iternextfunc tp_iternext; */
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| 
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| 	/*** Attribute descriptor and subclassing stuff ***/
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| 	NULL,                       /* struct PyMethodDef *tp_methods; */
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| 	NULL,                       /* struct PyMemberDef *tp_members; */
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| 	bpy_bmesh_op_getseters,     /* struct PyGetSetDef *tp_getset; */
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| 	NULL,                       /* struct _typeobject *tp_base; */
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| 	NULL,                       /* PyObject *tp_dict; */
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| 	NULL,                       /* descrgetfunc tp_descr_get; */
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| 	NULL,                       /* descrsetfunc tp_descr_set; */
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| 	0,                          /* long tp_dictoffset; */
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| 	NULL,                       /* initproc tp_init; */
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| 	NULL,                       /* allocfunc tp_alloc; */
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| 	NULL,                       /* newfunc tp_new; */
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| 	/*  Low-level free-memory routine */
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| 	NULL,                       /* freefunc tp_free;  */
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| 	/* For PyObject_IS_GC */
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| 	NULL,                       /* inquiry tp_is_gc;  */
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| 	NULL,                       /* PyObject *tp_bases; */
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| 	/* method resolution order */
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| 	NULL,                       /* PyObject *tp_mro;  */
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| 	NULL,                       /* PyObject *tp_cache; */
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| 	NULL,                       /* PyObject *tp_subclasses; */
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| 	NULL,                       /* PyObject *tp_weaklist; */
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| 	NULL,
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| };
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| 
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| 
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| /* bmesh fake module 'bmesh.ops'
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|  * ***************************** */
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| 
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| static PyObject *bpy_bmesh_ops_fakemod_getattro(PyObject *UNUSED(self), PyObject *pyname)
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| {
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| 	const char *opname = _PyUnicode_AsString(pyname);
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| 
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| 	if (BMO_opcode_from_opname(opname) != -1) {
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| 		return bpy_bmesh_op_CreatePyObject(opname);
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| 	}
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| 	else {
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| 		PyErr_Format(PyExc_AttributeError,
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| 		             "BMeshOpsModule: operator \"%.200s\" doesn't exist",
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| 		             opname);
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| 		return NULL;
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| 	}
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| }
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| 
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| static PyObject *bpy_bmesh_ops_fakemod_dir(PyObject *UNUSED(self))
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| {
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| 	const unsigned int tot = bmo_opdefines_total;
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| 	unsigned int i;
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| 	PyObject *ret;
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| 
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| 	ret = PyList_New(bmo_opdefines_total);
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| 
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| 	for (i = 0; i < tot; i++) {
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| 		PyList_SET_ITEM(ret, i, PyUnicode_FromString(bmo_opdefines[i]->opname));
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| static struct PyMethodDef bpy_bmesh_ops_fakemod_methods[] = {
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| 	{"__dir__", (PyCFunction)bpy_bmesh_ops_fakemod_dir, METH_NOARGS, NULL},
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| 	{NULL, NULL, 0, NULL},
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| };
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| 
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| static PyTypeObject bmesh_ops_fakemod_Type = {
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| 	PyVarObject_HEAD_INIT(NULL, 0)
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| 	"BMeshOpsModule",           /* tp_name */
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| 	0,                          /* tp_basicsize */
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| 	0,                          /* tp_itemsize */
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| 	/* methods */
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| 	NULL,                       /* tp_dealloc */
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| 	NULL,                       /* printfunc tp_print; */
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| 	NULL,                       /* getattrfunc tp_getattr; */
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| 	NULL,                       /* setattrfunc tp_setattr; */
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| 	NULL,                       /* tp_compare */ /* DEPRECATED in python 3.0! */
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| 	NULL,                       /* tp_repr */
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| 
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| 	/* Method suites for standard classes */
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| 
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| 	NULL,                       /* PyNumberMethods *tp_as_number; */
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| 	NULL,                       /* PySequenceMethods *tp_as_sequence; */
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| 	NULL,                       /* PyMappingMethods *tp_as_mapping; */
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| 
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| 	/* More standard operations (here for binary compatibility) */
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| 
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| 	NULL,                       /* hashfunc tp_hash; */
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| 	NULL,                       /* ternaryfunc tp_call; */
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| 	NULL,                       /* reprfunc tp_str; */
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| 
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| 	/* will only use these if this is a subtype of a py class */
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| 	bpy_bmesh_ops_fakemod_getattro,    /* getattrofunc tp_getattro; */
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| 	NULL,                       /* setattrofunc tp_setattro; */
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| 
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| 	/* Functions to access object as input/output buffer */
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| 	NULL,                       /* PyBufferProcs *tp_as_buffer; */
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| 
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| 	/*** Flags to define presence of optional/expanded features ***/
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| 	Py_TPFLAGS_DEFAULT,         /* long tp_flags; */
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| 
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| 	NULL,                       /*  char *tp_doc;  Documentation string */
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| 	/*** Assigned meaning in release 2.0 ***/
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| 	/* call function for all accessible objects */
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| 	NULL,                       /* traverseproc tp_traverse; */
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| 
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| 	/* delete references to contained objects */
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| 	NULL,                       /* inquiry tp_clear; */
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| 
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| 	/***  Assigned meaning in release 2.1 ***/
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| 	/*** rich comparisons ***/
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| 	NULL, /* subclassed */		/* richcmpfunc tp_richcompare; */
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| 
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| 	/***  weak reference enabler ***/
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| 	0,
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| 	/*** Added in release 2.2 ***/
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| 	/*   Iterators */
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| 	NULL,                       /* getiterfunc tp_iter; */
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| 	NULL,                       /* iternextfunc tp_iternext; */
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| 
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| 	/*** Attribute descriptor and subclassing stuff ***/
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| 	bpy_bmesh_ops_fakemod_methods,  /* struct PyMethodDef *tp_methods; */
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| 	NULL,                       /* struct PyMemberDef *tp_members; */
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| 	NULL,                       /* struct PyGetSetDef *tp_getset; */
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| 	NULL,                       /* struct _typeobject *tp_base; */
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| 	NULL,                       /* PyObject *tp_dict; */
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| 	NULL,                       /* descrgetfunc tp_descr_get; */
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| 	NULL,                       /* descrsetfunc tp_descr_set; */
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| 	0,                          /* long tp_dictoffset; */
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| 	NULL,                       /* initproc tp_init; */
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| 	NULL,                       /* allocfunc tp_alloc; */
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| 	NULL,                       /* newfunc tp_new; */
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| 	/*  Low-level free-memory routine */
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| 	NULL,                       /* freefunc tp_free;  */
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| 	/* For PyObject_IS_GC */
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| 	NULL,                       /* inquiry tp_is_gc;  */
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| 	NULL,                       /* PyObject *tp_bases; */
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| 	/* method resolution order */
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| 	NULL,                       /* PyObject *tp_mro;  */
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| 	NULL,                       /* PyObject *tp_cache; */
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| 	NULL,                       /* PyObject *tp_subclasses; */
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| 	NULL,                       /* PyObject *tp_weaklist; */
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| 	NULL,
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| };
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| 
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| PyObject *BPyInit_bmesh_ops(void)
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| {
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| 	PyObject *submodule;
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| 
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| 	if (PyType_Ready(&bmesh_ops_fakemod_Type) < 0) {
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| 		return NULL;
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| 	}
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| 
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| 	if (PyType_Ready(&bmesh_op_Type) < 0) {
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| 		return NULL;
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| 	}
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| 
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| 	submodule = PyObject_New(PyObject, &bmesh_ops_fakemod_Type);
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| 
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| 	/* prevent further creation of instances */
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| 	bmesh_ops_fakemod_Type.tp_init = NULL;
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| 	bmesh_ops_fakemod_Type.tp_new = NULL;
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| 
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| 	return submodule;
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| }
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