46e6ad89 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id$ |
4 | * |
5 | * Reading and writing buffers of stuff |
6 | * |
7 | * (c) 2005 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the Python interface to Catacomb. |
13 | * |
14 | * Catacomb/Python is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU General Public License as published by |
16 | * the Free Software Foundation; either version 2 of the License, or |
17 | * (at your option) any later version. |
18 | * |
19 | * Catacomb/Python is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU General Public License |
25 | * along with Catacomb/Python; if not, write to the Free Software Foundation, |
26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
27 | */ |
28 | |
29 | /*----- Header files ------------------------------------------------------*/ |
30 | |
31 | #include "catacomb-python.h" |
32 | |
33 | /*----- Data structures ---------------------------------------------------*/ |
34 | |
35 | typedef struct buf_pyobj { |
36 | PyObject_HEAD |
37 | buf b; |
0463996f |
38 | PyObject *sub; |
46e6ad89 |
39 | } buf_pyobj; |
40 | |
41 | static PyTypeObject *rbuf_pytype, *wbuf_pytype; |
42 | #define RBUF_PYCHECK(o) PyObject_TypeCheck((o), rbuf_pytype) |
43 | #define WBUF_PYCHECK(o) PyObject_TypeCheck((o), wbuf_pytype) |
44 | #define BUF_B(o) (&((buf_pyobj *)(o))->b) |
0463996f |
45 | #define BUF_SUB(o) (((buf_pyobj *)(o))->sub) |
46e6ad89 |
46 | |
47 | /*----- Exceptions --------------------------------------------------------*/ |
48 | |
49 | static PyObject *buferr; |
50 | |
51 | #define BUFERR() do { PyErr_SetNone(buferr); goto end; } while (0) |
52 | |
53 | /*----- Read buffers ------------------------------------------------------*/ |
54 | |
55 | static PyObject *rbuf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
56 | { |
57 | char *p, *q; |
58 | int n; |
59 | buf_pyobj *me = 0; |
60 | static char *kwlist[] = { "data", 0 }; |
61 | |
62 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &p, &n)) |
63 | goto end; |
46e6ad89 |
64 | q = xmalloc(n); |
65 | memcpy(q, p, n); |
0463996f |
66 | me = (buf_pyobj *)ty->tp_alloc(ty, 0); |
67 | me->sub = 0; |
46e6ad89 |
68 | buf_init(&me->b, q, n); |
69 | end: |
70 | return ((PyObject *)me); |
71 | } |
72 | |
73 | static void buf_pydealloc(PyObject *me) |
0463996f |
74 | { |
75 | if (BUF_SUB(me)) |
76 | Py_DECREF(BUF_SUB(me)); |
77 | else |
78 | xfree(BBASE(BUF_B(me))); |
79 | FREEOBJ(me); |
80 | } |
46e6ad89 |
81 | |
82 | static int rbuf_pysegcount(PyObject *me, int *nn) |
83 | { if (nn) *nn = BSZ(BUF_B(me)); return (1); } |
84 | |
85 | static int rbuf_pyreadbuf(PyObject *me, int seg, void **q) |
86 | { assert(seg == 0); *q = BBASE(BUF_B(me)); return (BSZ(BUF_B(me))); } |
87 | |
88 | static PyObject *rbmeth_skip(PyObject *me, PyObject *arg) |
89 | { |
90 | size_t n; |
91 | |
92 | if (!PyArg_ParseTuple(arg, "O&:skip", convszt, &n)) goto end; |
93 | if (!buf_get(BUF_B(me), n)) BUFERR(); |
94 | RETURN_ME; |
95 | end: |
96 | return (0); |
97 | } |
98 | |
99 | static PyObject *rbmeth_get(PyObject *me, PyObject *arg) |
100 | { |
101 | void *p; |
102 | size_t n; |
103 | |
104 | if (!PyArg_ParseTuple(arg, "O&:get", convszt, &n)) goto end; |
105 | if ((p = buf_get(BUF_B(me), n)) == 0) BUFERR(); |
106 | return (bytestring_pywrap(p, n)); |
107 | end: |
108 | return (0); |
109 | } |
110 | |
111 | #define RBMETH_GETU_(n, W, w) \ |
112 | static PyObject *rbmeth_getu##w(PyObject *me, PyObject *arg) \ |
113 | { \ |
114 | uint##n x; \ |
115 | if (!PyArg_ParseTuple(arg, ":getu" #w)) goto end; \ |
116 | if (buf_getu##w(BUF_B(me), &x)) BUFERR(); \ |
117 | return (getu32(x)); \ |
118 | end: \ |
119 | return (0); \ |
120 | } |
121 | DOUINTCONV(RBMETH_GETU_) |
122 | |
123 | #define RBMETH_GETBLK_(n, W, w) \ |
124 | static PyObject *rbmeth_getblk##w(PyObject *me, PyObject *arg) \ |
125 | { \ |
126 | size_t sz; \ |
127 | char *q; \ |
128 | if (!PyArg_ParseTuple(arg, ":getblk" #w)) goto end; \ |
129 | if ((q = buf_getmem##w(BUF_B(me), &sz)) == 0) BUFERR(); \ |
130 | return (bytestring_pywrap(q, sz)); \ |
131 | end: \ |
132 | return (0); \ |
133 | } |
134 | BUF_DOSUFFIXES(RBMETH_GETBLK_) |
135 | |
0463996f |
136 | #define RBMETH_GETBUF_(n, W, w) \ |
137 | static PyObject *rbmeth_getbuf##w(PyObject *me, PyObject *arg) \ |
138 | { \ |
139 | buf_pyobj *b; \ |
140 | buf bb; \ |
141 | if (!PyArg_ParseTuple(arg, ":getbuf" #w)) goto end; \ |
142 | if (buf_getbuf##w(BUF_B(me), &bb)) BUFERR(); \ |
143 | b = PyObject_NEW(buf_pyobj, rbuf_pytype); \ |
144 | b->b = bb; \ |
145 | b->sub = me; \ |
146 | Py_INCREF(me); \ |
147 | return ((PyObject *)b); \ |
148 | end: \ |
149 | return (0); \ |
150 | } |
151 | BUF_DOSUFFIXES(RBMETH_GETBUF_) |
152 | |
46e6ad89 |
153 | static PyObject *rbmeth_getmp(PyObject *me, PyObject *arg) |
154 | { |
155 | mp *x; |
156 | if (!PyArg_ParseTuple(arg, ":getmp")) goto end; |
157 | if ((x = buf_getmp(BUF_B(me))) == 0) BUFERR(); |
158 | return (mp_pywrap(x)); |
159 | end: |
160 | return (0); |
161 | } |
162 | |
163 | static PyObject *rbmeth_getgf(PyObject *me, PyObject *arg) |
164 | { |
165 | mp *x; |
166 | if (!PyArg_ParseTuple(arg, ":getgf")) goto end; |
167 | if ((x = buf_getmp(BUF_B(me))) == 0) BUFERR(); |
168 | return (gf_pywrap(x)); |
169 | end: |
170 | return (0); |
171 | } |
172 | |
173 | static PyObject *rbmeth_getecpt(PyObject *me, PyObject *arg, PyObject *kw) |
174 | { |
175 | PyObject *cobj = Py_None; |
176 | static char *kwlist[] = { "curve", 0 }; |
177 | ec pt = EC_INIT; |
178 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O:getecpt", kwlist, &cobj)) |
179 | goto end; |
180 | if (cobj == Py_None) cobj = (PyObject *)ecpt_pytype; |
181 | if (!PyType_Check(cobj) || |
182 | !PyType_IsSubtype((PyTypeObject *)cobj, ecpt_pytype)) |
183 | TYERR("expected elliptic curve type"); |
184 | if (buf_getec(BUF_B(me), &pt)) BUFERR(); |
185 | return (ecpt_pywrapout(cobj, &pt)); |
186 | end: |
187 | return (0); |
188 | } |
189 | |
190 | static PyObject *rbmeth_getecptraw(PyObject *me, PyObject *arg) |
191 | { |
192 | PyTypeObject *cobj = ecpt_pytype; |
193 | ec pt = EC_INIT; |
194 | if (!PyArg_ParseTuple(arg, "O!:getecptraw", eccurve_pytype, &cobj)) |
195 | goto end; |
196 | if (ec_getraw(ECCURVE_C(cobj), BUF_B(me), &pt)) BUFERR(); |
197 | return (ecpt_pywrapout(cobj, &pt)); |
198 | end: |
199 | return (0); |
200 | } |
201 | |
202 | static PyObject *rbmeth_getge(PyObject *me, PyObject *arg) |
203 | { |
204 | PyObject *gobj; |
205 | ge *x = 0; |
206 | if (!PyArg_ParseTuple(arg, "O!:getge", group_pytype, &gobj)) goto end; |
207 | x = G_CREATE(GROUP_G(gobj)); |
208 | if (G_FROMBUF(GROUP_G(gobj), BUF_B(me), x)) BUFERR(); |
209 | return (ge_pywrap(gobj, x)); |
210 | end: |
211 | if (x) G_DESTROY(GROUP_G(gobj), x); |
212 | return (0); |
213 | } |
214 | |
215 | static PyObject *rbmeth_getgeraw(PyObject *me, PyObject *arg) |
216 | { |
217 | PyObject *gobj; |
218 | ge *x = 0; |
219 | if (!PyArg_ParseTuple(arg, "O!:getgeraw", group_pytype, &gobj)) goto end; |
220 | x = G_CREATE(GROUP_G(gobj)); |
221 | if (G_FROMRAW(GROUP_G(gobj), BUF_B(me), x)) BUFERR(); |
222 | return (ge_pywrap(gobj, x)); |
223 | end: |
224 | if (x) G_DESTROY(GROUP_G(gobj), x); |
225 | return (0); |
226 | } |
227 | |
228 | static PyObject *rbget_size(PyObject *me, void *hunoz) |
229 | { return (PyInt_FromLong(BSZ(BUF_B(me)))); } |
230 | static PyObject *rbget_left(PyObject *me, void *hunoz) |
231 | { return (PyInt_FromLong(BLEFT(BUF_B(me)))); } |
232 | static PyObject *rbget_endp(PyObject *me, void *hunoz) |
233 | { return (getbool(!BLEFT(BUF_B(me)))); } |
0463996f |
234 | static PyObject *rbget_offset(PyObject *me, void *hunoz) |
235 | { return (PyInt_FromLong(BLEN(BUF_B(me)))); } |
236 | static int rbset_offset(PyObject *me, PyObject *x, void *hunoz) |
237 | { |
238 | size_t n; |
239 | if (!convszt(x, &n)) goto end; |
240 | if (n > BSZ(BUF_B(me))) VALERR("out of range"); |
241 | BCUR(BUF_B(me)) = BBASE(BUF_B(me)) + n; |
242 | return (0); |
243 | end: |
244 | return (-1); |
245 | } |
46e6ad89 |
246 | |
247 | static PyGetSetDef rbuf_pygetset[] = { |
248 | #define GETSETNAME(op, name) rb##op##_##name |
249 | GET (size, "RBUF.size -> SIZE") |
250 | GET (left, "RBUF.left -> REMAINDER") |
251 | GET (endp, "RBUF.endp -> BOOL") |
0463996f |
252 | GETSET(offset, "RBUF.offset -> OFFSET") |
46e6ad89 |
253 | #undef GETSETNAME |
254 | { 0 } |
255 | }; |
256 | |
257 | static PyMethodDef rbuf_pymethods[] = { |
258 | #define METHNAME(func) rbmeth_##func |
259 | METH (skip, "RBUF.skip(N)") |
260 | METH (get, "RBUF.get(N) -> BYTES") |
261 | #define RBMETH_DECL_GETU_(n, W, w) \ |
262 | METH(getu##w, "RBUF.getu" #w "() -> INT") |
263 | DOUINTCONV(RBMETH_DECL_GETU_) |
264 | #define RBMETH_DECL_GETBLK_(n, W, w) \ |
265 | METH(getblk##w, "RBUF.getblk" #w "() -> INT") |
266 | BUF_DOSUFFIXES(RBMETH_DECL_GETBLK_) |
0463996f |
267 | #define RBMETH_DECL_GETBUF_(n, W, w) \ |
268 | METH(getbuf##w, "RBUF.getbuf" #w "() -> INT") |
269 | BUF_DOSUFFIXES(RBMETH_DECL_GETBUF_) |
46e6ad89 |
270 | METH (getmp, "RBUF.getmp() -> X") |
271 | METH (getgf, "RBUF.getgf() -> X") |
272 | KWMETH(getecpt, "RBUF.getecpt(curve = None) -> P") |
273 | METH (getecptraw, "RBUF.getecptraw(CURVE) -> P") |
274 | METH (getge, "RBUF.getge(GROUP) -> X") |
275 | METH (getgeraw, "RBUF.getgeraw(GROUP) -> X") |
276 | #undef METHNAME |
277 | { 0 } |
278 | }; |
279 | |
280 | static PyBufferProcs rbuf_pybuffer = { |
281 | rbuf_pyreadbuf, /* @bf_getreadbuffer@ */ |
282 | 0, /* @bf_getwritebuffer@ */ |
283 | rbuf_pysegcount, /* @bf_getsegcount@ */ |
284 | 0 /* @bf_getcharbuffer@ */ |
285 | }; |
286 | |
287 | static PyTypeObject rbuf_pytype_skel = { |
288 | PyObject_HEAD_INIT(0) 0, /* Header */ |
289 | "catacomb.ReadBuffer", /* @tp_name@ */ |
290 | sizeof(buf_pyobj), /* @tp_basicsize@ */ |
291 | 0, /* @tp_itemsize@ */ |
292 | |
293 | buf_pydealloc, /* @tp_dealloc@ */ |
294 | 0, /* @tp_print@ */ |
295 | 0, /* @tp_getattr@ */ |
296 | 0, /* @tp_setattr@ */ |
297 | 0, /* @tp_compare@ */ |
298 | 0, /* @tp_repr@ */ |
299 | 0, /* @tp_as_number@ */ |
300 | 0, /* @tp_as_sequence@ */ |
301 | 0, /* @tp_as_mapping@ */ |
302 | 0, /* @tp_hash@ */ |
303 | 0, /* @tp_call@ */ |
304 | 0, /* @tp_str@ */ |
305 | 0, /* @tp_getattro@ */ |
306 | 0, /* @tp_setattro@ */ |
307 | &rbuf_pybuffer, /* @tp_as_buffer@ */ |
308 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ |
309 | Py_TPFLAGS_BASETYPE, |
310 | |
311 | /* @tp_doc@ */ |
312 | "A read buffer.", |
313 | |
314 | 0, /* @tp_traverse@ */ |
315 | 0, /* @tp_clear@ */ |
316 | 0, /* @tp_richcompare@ */ |
317 | 0, /* @tp_weaklistoffset@ */ |
318 | 0, /* @tp_iter@ */ |
319 | 0, /* @tp_iternexr@ */ |
320 | rbuf_pymethods, /* @tp_methods@ */ |
321 | 0, /* @tp_members@ */ |
322 | rbuf_pygetset, /* @tp_getset@ */ |
323 | 0, /* @tp_base@ */ |
324 | 0, /* @tp_dict@ */ |
325 | 0, /* @tp_descr_get@ */ |
326 | 0, /* @tp_descr_set@ */ |
327 | 0, /* @tp_dictoffset@ */ |
328 | 0, /* @tp_init@ */ |
329 | PyType_GenericAlloc, /* @tp_alloc@ */ |
330 | rbuf_pynew, /* @tp_new@ */ |
331 | 0, /* @tp_free@ */ |
332 | 0 /* @tp_is_gc@ */ |
333 | }; |
334 | |
335 | /*----- Write buffers -----------------------------------------------------*/ |
336 | |
337 | static void ensure(PyObject *me, size_t n) |
338 | { |
339 | buf *b = BUF_B(me); |
340 | |
341 | if (BLEFT(b) < n) { |
342 | size_t nn = BSZ(b); |
343 | octet *p; |
344 | size_t want = BLEFT(b) + n; |
345 | while (nn < want) nn <<= 1; |
346 | p = xrealloc(BBASE(b), nn, BSZ(b)); |
347 | BCUR(b) = p + BLEN(b); |
348 | BLIM(b) = p + nn; |
349 | BBASE(b) = p; |
350 | } |
351 | } |
352 | |
353 | static PyObject *wbuf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
354 | { |
355 | char *p; |
356 | size_t n = 64; |
357 | buf_pyobj *me = 0; |
358 | static char *kwlist[] = { "size", 0 }; |
359 | |
360 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, |
361 | convszt, &n)) |
362 | goto end; |
363 | me = (buf_pyobj *)ty->tp_alloc(ty, 0); |
364 | p = xmalloc(n); |
0463996f |
365 | me->sub = 0; |
46e6ad89 |
366 | buf_init(&me->b, p, n); |
367 | end: |
368 | return ((PyObject *)me); |
369 | } |
370 | |
371 | static int wbuf_pysegcount(PyObject *me, int *nn) |
372 | { if (nn) *nn = BLEN(BUF_B(me)); return (1); } |
373 | |
374 | static int wbuf_pyreadbuf(PyObject *me, int seg, void **q) |
375 | { assert(seg == 0); *q = BBASE(BUF_B(me)); return (BLEN(BUF_B(me))); } |
376 | |
377 | static PyObject *wbmeth_zero(PyObject *me, PyObject *arg) |
378 | { |
379 | void *p; |
380 | size_t n; |
381 | if (!PyArg_ParseTuple(arg, "O&:zero", convszt, &n)) return (0); |
382 | ensure(me, n); |
383 | p = buf_get(BUF_B(me), n); assert(p && BOK(BUF_B(me))); |
384 | memset(p, 0, n); |
385 | RETURN_ME; |
386 | } |
387 | |
388 | static PyObject *wbmeth_put(PyObject *me, PyObject *arg) |
389 | { |
390 | void *p; |
391 | int n; |
392 | if (!PyArg_ParseTuple(arg, "s#:put", &p, &n)) return (0); |
393 | ensure(me, n); |
394 | buf_put(BUF_B(me), p, n); assert(BOK(BUF_B(m))); |
395 | RETURN_ME; |
396 | } |
397 | |
398 | #define WBMETH_PUTU_(n, W, w) \ |
399 | static PyObject *wbmeth_putu##w(PyObject *me, PyObject *arg) \ |
400 | { \ |
401 | uint##n i; \ |
402 | if (!PyArg_ParseTuple(arg, "O&:putu" #w, convu##n, &i)) return (0); \ |
403 | ensure(me, SZ_##n); \ |
404 | buf_putu##w(BUF_B(me), i); assert(BOK(BUF_B(me))); \ |
405 | RETURN_ME; \ |
406 | } |
407 | DOUINTCONV(WBMETH_PUTU_) |
408 | |
409 | #define SZ_z 1 |
410 | #define WBMETH_PUTBLK_(n, W, w) \ |
411 | static PyObject *wbmeth_putblk##w(PyObject *me, PyObject *arg) \ |
412 | { \ |
413 | char *p; \ |
414 | int sz; \ |
415 | if (!PyArg_ParseTuple(arg, "s#:putblk" #w, &p, &sz)) return (0); \ |
416 | ensure(me, sz + SZ_##n); \ |
417 | buf_putmem##w(BUF_B(me), p, sz); assert(BOK(BUF_B(me))); \ |
418 | RETURN_ME; \ |
419 | } |
420 | BUF_DOSUFFIXES(WBMETH_PUTBLK_) |
421 | |
422 | static PyObject *wbmeth_putmp(PyObject *me, PyObject *arg) |
423 | { |
424 | mp *x = 0; |
425 | if (!PyArg_ParseTuple(arg, "O&:putmp", convmp, &x)) return (0); |
426 | ensure(me, mp_octets(x) + 2); |
427 | buf_putmp(BUF_B(me), x); assert(BOK(BUF_B(me))); |
428 | RETURN_ME; |
429 | } |
430 | |
431 | static PyObject *wbmeth_putgf(PyObject *me, PyObject *arg) |
432 | { |
433 | mp *x = 0; |
434 | if (!PyArg_ParseTuple(arg, "O&:putgf", convgf, &x)) return (0); |
435 | ensure(me, mp_octets(x) + 2); |
436 | buf_putmp(BUF_B(me), x); assert(BOK(BUF_B(me))); |
437 | MP_DROP(x); |
438 | RETURN_ME; |
439 | } |
440 | |
441 | static PyObject *wbmeth_putecpt(PyObject *me, PyObject *arg) |
442 | { |
443 | ec pt = EC_INIT; |
444 | if (!PyArg_ParseTuple(arg, "O&:putecpt", convecpt, &pt)) return (0); |
445 | if (EC_ATINF(&pt)) ensure(me, 2); |
446 | else ensure(me, 4 + mp_octets(pt.x) + mp_octets(pt.y)); |
447 | buf_putec(BUF_B(me), &pt); assert(BOK(BUF_B(me))); |
448 | EC_DESTROY(&pt); |
449 | RETURN_ME; |
450 | } |
451 | |
452 | static PyObject *wbmeth_putecptraw(PyObject *me, PyObject *arg) |
453 | { |
454 | PyObject *ptobj; |
455 | ec pt = EC_INIT; |
456 | if (!PyArg_ParseTuple(arg, "O!:putecptraw", ecptcurve_pytype, &ptobj)) |
457 | return (0); |
458 | EC_OUT(ECPT_C(ptobj), &pt, ECPT_P(ptobj)); |
459 | ensure(me, ECPT_C(ptobj)->f->noctets * 2 + 1); |
460 | ec_putraw(ECPT_C(ptobj), BUF_B(me), &pt); assert(BOK(BUF_B(me))); |
461 | EC_DESTROY(&pt); |
462 | RETURN_ME; |
463 | } |
464 | |
465 | static PyObject *wbmeth_putge(PyObject *me, PyObject *arg) |
466 | { |
467 | PyObject *geobj; |
468 | if (!PyArg_ParseTuple(arg, "O!:putge", ge_pytype, &geobj)) return (0); |
469 | ensure(me, GE_G(geobj)->noctets); |
470 | G_TOBUF(GE_G(geobj), BUF_B(me), GE_X(geobj)); assert(BOK(BUF_B(me))); |
471 | RETURN_ME; |
472 | } |
473 | |
474 | static PyObject *wbmeth_putgeraw(PyObject *me, PyObject *arg) |
475 | { |
476 | PyObject *geobj; |
477 | if (!PyArg_ParseTuple(arg, "O!:putgeraw", ge_pytype, &geobj)) return (0); |
478 | ensure(me, GE_G(geobj)->noctets); |
479 | G_TORAW(GE_G(geobj), BUF_B(me), GE_X(geobj)); assert(BOK(BUF_B(me))); |
480 | RETURN_ME; |
481 | } |
482 | |
483 | static PyObject *wbget_size(PyObject *me, void *hunoz) |
484 | { return (PyInt_FromLong(BLEN(BUF_B(me)))); } |
485 | |
486 | static PyGetSetDef wbuf_pygetset[] = { |
487 | #define GETSETNAME(op, name) wb##op##_##name |
488 | GET (size, "WBUF.size -> SIZE") |
489 | #undef GETSETNAME |
490 | { 0 } |
491 | }; |
492 | |
493 | static PyMethodDef wbuf_pymethods[] = { |
494 | #define METHNAME(func) wbmeth_##func |
495 | METH (zero, "WBUF.skip(N)") |
496 | METH (put, "WBUF.put(BYTES)") |
497 | #define WBMETH_DECL_PUTU_(n, W, w) \ |
498 | METH(putu##w, "WBUF.putu" #w "(INT)") |
499 | DOUINTCONV(WBMETH_DECL_PUTU_) |
500 | #define WBMETH_DECL_PUTBLK_(n, W, w) \ |
501 | METH(putblk##w, "WBUF.putblk" #w "(BYTES)") |
502 | BUF_DOSUFFIXES(WBMETH_DECL_PUTBLK_) |
503 | METH (putmp, "WBUF.putmp(X)") |
504 | METH (putgf, "WBUF.putgf(X)") |
505 | KWMETH(putecpt, "WBUF.putecpt(P)") |
506 | METH (putecptraw, "WBUF.putecptraw(P)") |
507 | METH (putge, "WBUF.putge(X)") |
508 | METH (putgeraw, "WBUF.putgeraw(X)") |
509 | #undef METHNAME |
510 | { 0 } |
511 | }; |
512 | |
513 | static PyBufferProcs wbuf_pybuffer = { |
514 | wbuf_pyreadbuf, /* @bf_getreadbuffer@ */ |
515 | 0, /* @bf_getwritebuffer@ */ |
516 | wbuf_pysegcount, /* @bf_getsegcount@ */ |
517 | 0 /* @bf_getcharbuffer@ */ |
518 | }; |
519 | |
520 | static PyTypeObject wbuf_pytype_skel = { |
521 | PyObject_HEAD_INIT(0) 0, /* Header */ |
522 | "catacomb.WriteBuffer", /* @tp_name@ */ |
523 | sizeof(buf_pyobj), /* @tp_basicsize@ */ |
524 | 0, /* @tp_itemsize@ */ |
525 | |
526 | buf_pydealloc, /* @tp_dealloc@ */ |
527 | 0, /* @tp_print@ */ |
528 | 0, /* @tp_getattr@ */ |
529 | 0, /* @tp_setattr@ */ |
530 | 0, /* @tp_compare@ */ |
531 | 0, /* @tp_repr@ */ |
532 | 0, /* @tp_as_number@ */ |
533 | 0, /* @tp_as_sequence@ */ |
534 | 0, /* @tp_as_mapping@ */ |
535 | 0, /* @tp_hash@ */ |
536 | 0, /* @tp_call@ */ |
537 | 0, /* @tp_str@ */ |
538 | 0, /* @tp_getattro@ */ |
539 | 0, /* @tp_setattro@ */ |
540 | &wbuf_pybuffer, /* @tp_as_buffer@ */ |
541 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ |
542 | Py_TPFLAGS_BASETYPE, |
543 | |
544 | /* @tp_doc@ */ |
545 | "A write buffer.", |
546 | |
547 | 0, /* @tp_traverse@ */ |
548 | 0, /* @tp_clear@ */ |
549 | 0, /* @tp_richcompare@ */ |
550 | 0, /* @tp_weaklistoffset@ */ |
551 | 0, /* @tp_iter@ */ |
552 | 0, /* @tp_iternexr@ */ |
553 | wbuf_pymethods, /* @tp_methods@ */ |
554 | 0, /* @tp_members@ */ |
555 | wbuf_pygetset, /* @tp_getset@ */ |
556 | 0, /* @tp_base@ */ |
557 | 0, /* @tp_dict@ */ |
558 | 0, /* @tp_descr_get@ */ |
559 | 0, /* @tp_descr_set@ */ |
560 | 0, /* @tp_dictoffset@ */ |
561 | 0, /* @tp_init@ */ |
562 | PyType_GenericAlloc, /* @tp_alloc@ */ |
563 | wbuf_pynew, /* @tp_new@ */ |
564 | 0, /* @tp_free@ */ |
565 | 0 /* @tp_is_gc@ */ |
566 | }; |
567 | |
568 | /*----- Initialization ----------------------------------------------------*/ |
569 | |
570 | void buffer_pyinit(void) |
571 | { |
572 | INITTYPE(rbuf, root); |
573 | INITTYPE(wbuf, root); |
574 | } |
575 | |
576 | void buffer_pyinsert(PyObject *mod) |
577 | { |
578 | INSEXC("BufferError", buferr, PyExc_Exception, 0); |
579 | INSERT("ReadBuffer", rbuf_pytype); |
580 | INSERT("WriteBuffer", wbuf_pytype); |
581 | } |
582 | |
583 | /*----- That's all, folks -------------------------------------------------*/ |