1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkWrapPythonEnum.c
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkWrapPythonEnum.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
/* -------------------------------------------------------------------- */
/* check whether an enum type will be wrapped */
int vtkWrapPython_IsEnumWrapped(
HierarchyInfo *hinfo, const char *enumname)
{
int rval = 0;
HierarchyEntry *entry;
if (hinfo && enumname)
{
entry = vtkParseHierarchy_FindEntry(hinfo, enumname);
if (entry && entry->IsEnum)
{
rval = 1;
}
}
return rval;
}
/* -------------------------------------------------------------------- */
/* generate a wrapped enum type */
void vtkWrapPython_AddEnumType(
FILE *fp, const char *indent, const char *dictvar, const char *objvar,
const char *scope, EnumInfo *cls)
{
/* Don't add anonymous enums */
fprintf(fp,
"%sPyType_Ready(&Py%s%s%s_Type);\n"
"%sPy%s%s%s_Type.tp_new = NULL;\n"
"\n",
indent, (scope ? scope : ""), (scope ? "_" : ""), cls->Name,
indent, (scope ? scope : ""), (scope ? "_" : ""), cls->Name);
fprintf(fp,
"%s%s = (PyObject *)&Py%s%s%s_Type;\n"
"%sif (%s && PyDict_SetItemString(%s, (char *)\"%s\", %s) != 0)\n"
"%s {\n"
"%s Py_DECREF(%s);\n"
"%s }\n",
indent, objvar,
(scope ? scope : ""), (scope ? "_" : ""), cls->Name,
indent, objvar, dictvar, cls->Name, objvar,
indent,
indent, objvar,
indent);
}
/* -------------------------------------------------------------------- */
/* write out an enum type object */
void vtkWrapPython_GenerateEnumType(
FILE *fp, const char *classname, EnumInfo *data)
{
char enumname[1024];
size_t classnamelen = 0;
if (classname)
{
classnamelen = strlen(classname);
strcpy(enumname, classname);
enumname[classnamelen] = '_';
strcpy(enumname+classnamelen+1, data->Name);
}
else
{
strcpy(enumname, data->Name);
}
/* forward declaration of the type object */
fprintf(fp,
"#ifndef DECLARED_Py%s_Type\n"
"extern %s PyTypeObject Py%s_Type;\n"
"#define DECLARED_Py%s_Type\n"
"#endif\n"
"\n",
enumname, "VTK_PYTHON_EXPORT", enumname, enumname);
/* generate all functions and protocols needed for the type */
/* generate the TypeObject */
fprintf(fp,
"PyTypeObject Py%s_Type = {\n"
" PyObject_HEAD_INIT(&PyType_Type)\n"
" 0,\n"
" (char*)\"%s\", // tp_name\n"
" sizeof(PyIntObject), // tp_basicsize\n"
" 0, // tp_itemsize\n"
" 0, // tp_dealloc\n"
" 0, // tp_print\n"
" 0, // tp_getattr\n"
" 0, // tp_setattr\n"
" 0, // tp_compare\n"
" 0, // tp_repr\n",
enumname, data->Name);
fprintf(fp,
" 0, // tp_as_number\n"
" 0, // tp_as_sequence\n"
" 0, // tp_as_mapping\n"
" 0, // tp_hash\n"
" 0, // tp_call\n"
" 0, // tp_str\n"
" 0, // tp_getattro\n"
" 0, // tp_setattro\n"
" 0, // tp_as_buffer\n"
" Py_TPFLAGS_DEFAULT, // tp_flags\n"
" 0, // tp_doc\n"
" 0, // tp_traverse\n"
" 0, // tp_clear\n"
" 0, // tp_richcompare\n"
" 0, // tp_weaklistoffset\n");
fprintf(fp,
" 0, // tp_iter\n"
" 0, // tp_iternext\n"
" 0, // tp_methods\n"
" 0, // tp_members\n"
" 0, // tp_getset\n"
" &PyInt_Type, // tp_base\n"
" 0, // tp_dict\n"
" 0, // tp_descr_get\n"
" 0, // tp_descr_set\n"
" 0, // tp_dictoffset\n"
" 0, // tp_init\n"
" 0, // tp_alloc\n"
" 0, // tp_new\n"
" PyObject_Del, // tp_free\n"
" 0, // tp_is_gc\n");
/* fields set by python itself */
fprintf(fp,
" 0, // tp_bases\n"
" 0, // tp_mro\n"
" 0, // tp_cache\n"
" 0, // tp_subclasses\n"
" 0, // tp_weaklist\n");
/* internal struct members */
fprintf(fp,
" VTK_WRAP_PYTHON_SUPRESS_UNINITIALIZED\n"
"};\n"
"\n");
/* conversion method: construct from enum value */
fprintf(fp,
"PyObject *Py%s_FromEnum(int val)\n"
"{\n"
" PyIntObject *self = PyObject_New(PyIntObject,\n"
" &Py%s_Type);\n"
" self->ob_ival = val;\n"
" return (PyObject *)self;\n"
"}\n"
"\n",
enumname,
enumname);
}
/* generate code that adds all public enum types to a python dict */
void vtkWrapPython_AddPublicEnumTypes(
FILE *fp, const char *indent, const char *dictvar, const char *objvar,
NamespaceInfo *data)
{
int i;
for (i = 0; i < data->NumberOfEnums; i++)
{
if (data->Enums[i]->Access == VTK_ACCESS_PUBLIC)
{
vtkWrapPython_AddEnumType(
fp, indent, dictvar, objvar, data->Name, data->Enums[i]);
fprintf(fp, "\n");
}
}
}
|
