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) |
f368b46e |
86 | { assert(seg == 0); *q = BCUR(BUF_B(me)); return (BLEFT(BUF_B(me))); } |
46e6ad89 |
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(); \ |
fbca05a1 |
117 | return (getulong(x)); \ |
46e6ad89 |
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; |
f368b46e |
239 | if (!x) NIERR("__del__"); |
0463996f |
240 | if (!convszt(x, &n)) goto end; |
241 | if (n > BSZ(BUF_B(me))) VALERR("out of range"); |
242 | BCUR(BUF_B(me)) = BBASE(BUF_B(me)) + n; |
243 | return (0); |
244 | end: |
245 | return (-1); |
246 | } |
46e6ad89 |
247 | |
248 | static PyGetSetDef rbuf_pygetset[] = { |
249 | #define GETSETNAME(op, name) rb##op##_##name |
250 | GET (size, "RBUF.size -> SIZE") |
251 | GET (left, "RBUF.left -> REMAINDER") |
252 | GET (endp, "RBUF.endp -> BOOL") |
0463996f |
253 | GETSET(offset, "RBUF.offset -> OFFSET") |
46e6ad89 |
254 | #undef GETSETNAME |
255 | { 0 } |
256 | }; |
257 | |
258 | static PyMethodDef rbuf_pymethods[] = { |
259 | #define METHNAME(func) rbmeth_##func |
260 | METH (skip, "RBUF.skip(N)") |
261 | METH (get, "RBUF.get(N) -> BYTES") |
262 | #define RBMETH_DECL_GETU_(n, W, w) \ |
263 | METH(getu##w, "RBUF.getu" #w "() -> INT") |
264 | DOUINTCONV(RBMETH_DECL_GETU_) |
265 | #define RBMETH_DECL_GETBLK_(n, W, w) \ |
266 | METH(getblk##w, "RBUF.getblk" #w "() -> INT") |
267 | BUF_DOSUFFIXES(RBMETH_DECL_GETBLK_) |
0463996f |
268 | #define RBMETH_DECL_GETBUF_(n, W, w) \ |
269 | METH(getbuf##w, "RBUF.getbuf" #w "() -> INT") |
270 | BUF_DOSUFFIXES(RBMETH_DECL_GETBUF_) |
46e6ad89 |
271 | METH (getmp, "RBUF.getmp() -> X") |
272 | METH (getgf, "RBUF.getgf() -> X") |
273 | KWMETH(getecpt, "RBUF.getecpt(curve = None) -> P") |
274 | METH (getecptraw, "RBUF.getecptraw(CURVE) -> P") |
275 | METH (getge, "RBUF.getge(GROUP) -> X") |
276 | METH (getgeraw, "RBUF.getgeraw(GROUP) -> X") |
277 | #undef METHNAME |
278 | { 0 } |
279 | }; |
280 | |
281 | static PyBufferProcs rbuf_pybuffer = { |
282 | rbuf_pyreadbuf, /* @bf_getreadbuffer@ */ |
283 | 0, /* @bf_getwritebuffer@ */ |
284 | rbuf_pysegcount, /* @bf_getsegcount@ */ |
285 | 0 /* @bf_getcharbuffer@ */ |
286 | }; |
287 | |
288 | static PyTypeObject rbuf_pytype_skel = { |
289 | PyObject_HEAD_INIT(0) 0, /* Header */ |
290 | "catacomb.ReadBuffer", /* @tp_name@ */ |
291 | sizeof(buf_pyobj), /* @tp_basicsize@ */ |
292 | 0, /* @tp_itemsize@ */ |
293 | |
294 | buf_pydealloc, /* @tp_dealloc@ */ |
295 | 0, /* @tp_print@ */ |
296 | 0, /* @tp_getattr@ */ |
297 | 0, /* @tp_setattr@ */ |
298 | 0, /* @tp_compare@ */ |
299 | 0, /* @tp_repr@ */ |
300 | 0, /* @tp_as_number@ */ |
301 | 0, /* @tp_as_sequence@ */ |
302 | 0, /* @tp_as_mapping@ */ |
303 | 0, /* @tp_hash@ */ |
304 | 0, /* @tp_call@ */ |
305 | 0, /* @tp_str@ */ |
306 | 0, /* @tp_getattro@ */ |
307 | 0, /* @tp_setattro@ */ |
308 | &rbuf_pybuffer, /* @tp_as_buffer@ */ |
309 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ |
310 | Py_TPFLAGS_BASETYPE, |
311 | |
312 | /* @tp_doc@ */ |
313 | "A read buffer.", |
314 | |
315 | 0, /* @tp_traverse@ */ |
316 | 0, /* @tp_clear@ */ |
317 | 0, /* @tp_richcompare@ */ |
318 | 0, /* @tp_weaklistoffset@ */ |
319 | 0, /* @tp_iter@ */ |
963a6148 |
320 | 0, /* @tp_iternext@ */ |
46e6ad89 |
321 | rbuf_pymethods, /* @tp_methods@ */ |
322 | 0, /* @tp_members@ */ |
323 | rbuf_pygetset, /* @tp_getset@ */ |
324 | 0, /* @tp_base@ */ |
325 | 0, /* @tp_dict@ */ |
326 | 0, /* @tp_descr_get@ */ |
327 | 0, /* @tp_descr_set@ */ |
328 | 0, /* @tp_dictoffset@ */ |
329 | 0, /* @tp_init@ */ |
330 | PyType_GenericAlloc, /* @tp_alloc@ */ |
331 | rbuf_pynew, /* @tp_new@ */ |
332 | 0, /* @tp_free@ */ |
333 | 0 /* @tp_is_gc@ */ |
334 | }; |
335 | |
336 | /*----- Write buffers -----------------------------------------------------*/ |
337 | |
338 | static void ensure(PyObject *me, size_t n) |
339 | { |
340 | buf *b = BUF_B(me); |
341 | |
342 | if (BLEFT(b) < n) { |
343 | size_t nn = BSZ(b); |
344 | octet *p; |
345 | size_t want = BLEFT(b) + n; |
346 | while (nn < want) nn <<= 1; |
347 | p = xrealloc(BBASE(b), nn, BSZ(b)); |
348 | BCUR(b) = p + BLEN(b); |
349 | BLIM(b) = p + nn; |
350 | BBASE(b) = p; |
351 | } |
352 | } |
353 | |
354 | static PyObject *wbuf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
355 | { |
356 | char *p; |
357 | size_t n = 64; |
358 | buf_pyobj *me = 0; |
359 | static char *kwlist[] = { "size", 0 }; |
360 | |
361 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, |
362 | convszt, &n)) |
363 | goto end; |
364 | me = (buf_pyobj *)ty->tp_alloc(ty, 0); |
365 | p = xmalloc(n); |
0463996f |
366 | me->sub = 0; |
46e6ad89 |
367 | buf_init(&me->b, p, n); |
368 | end: |
369 | return ((PyObject *)me); |
370 | } |
371 | |
372 | static int wbuf_pysegcount(PyObject *me, int *nn) |
373 | { if (nn) *nn = BLEN(BUF_B(me)); return (1); } |
374 | |
375 | static int wbuf_pyreadbuf(PyObject *me, int seg, void **q) |
376 | { assert(seg == 0); *q = BBASE(BUF_B(me)); return (BLEN(BUF_B(me))); } |
377 | |
378 | static PyObject *wbmeth_zero(PyObject *me, PyObject *arg) |
379 | { |
380 | void *p; |
381 | size_t n; |
382 | if (!PyArg_ParseTuple(arg, "O&:zero", convszt, &n)) return (0); |
383 | ensure(me, n); |
384 | p = buf_get(BUF_B(me), n); assert(p && BOK(BUF_B(me))); |
385 | memset(p, 0, n); |
386 | RETURN_ME; |
387 | } |
388 | |
389 | static PyObject *wbmeth_put(PyObject *me, PyObject *arg) |
390 | { |
391 | void *p; |
392 | int n; |
393 | if (!PyArg_ParseTuple(arg, "s#:put", &p, &n)) return (0); |
394 | ensure(me, n); |
395 | buf_put(BUF_B(me), p, n); assert(BOK(BUF_B(m))); |
396 | RETURN_ME; |
397 | } |
398 | |
399 | #define WBMETH_PUTU_(n, W, w) \ |
400 | static PyObject *wbmeth_putu##w(PyObject *me, PyObject *arg) \ |
401 | { \ |
402 | uint##n i; \ |
403 | if (!PyArg_ParseTuple(arg, "O&:putu" #w, convu##n, &i)) return (0); \ |
404 | ensure(me, SZ_##n); \ |
405 | buf_putu##w(BUF_B(me), i); assert(BOK(BUF_B(me))); \ |
406 | RETURN_ME; \ |
407 | } |
408 | DOUINTCONV(WBMETH_PUTU_) |
409 | |
410 | #define SZ_z 1 |
411 | #define WBMETH_PUTBLK_(n, W, w) \ |
412 | static PyObject *wbmeth_putblk##w(PyObject *me, PyObject *arg) \ |
413 | { \ |
414 | char *p; \ |
415 | int sz; \ |
416 | if (!PyArg_ParseTuple(arg, "s#:putblk" #w, &p, &sz)) return (0); \ |
417 | ensure(me, sz + SZ_##n); \ |
418 | buf_putmem##w(BUF_B(me), p, sz); assert(BOK(BUF_B(me))); \ |
419 | RETURN_ME; \ |
420 | } |
421 | BUF_DOSUFFIXES(WBMETH_PUTBLK_) |
422 | |
423 | static PyObject *wbmeth_putmp(PyObject *me, PyObject *arg) |
424 | { |
425 | mp *x = 0; |
426 | if (!PyArg_ParseTuple(arg, "O&:putmp", convmp, &x)) return (0); |
427 | ensure(me, mp_octets(x) + 2); |
428 | buf_putmp(BUF_B(me), x); assert(BOK(BUF_B(me))); |
429 | RETURN_ME; |
430 | } |
431 | |
432 | static PyObject *wbmeth_putgf(PyObject *me, PyObject *arg) |
433 | { |
434 | mp *x = 0; |
435 | if (!PyArg_ParseTuple(arg, "O&:putgf", convgf, &x)) return (0); |
436 | ensure(me, mp_octets(x) + 2); |
437 | buf_putmp(BUF_B(me), x); assert(BOK(BUF_B(me))); |
438 | MP_DROP(x); |
439 | RETURN_ME; |
440 | } |
441 | |
442 | static PyObject *wbmeth_putecpt(PyObject *me, PyObject *arg) |
443 | { |
444 | ec pt = EC_INIT; |
445 | if (!PyArg_ParseTuple(arg, "O&:putecpt", convecpt, &pt)) return (0); |
446 | if (EC_ATINF(&pt)) ensure(me, 2); |
447 | else ensure(me, 4 + mp_octets(pt.x) + mp_octets(pt.y)); |
448 | buf_putec(BUF_B(me), &pt); assert(BOK(BUF_B(me))); |
449 | EC_DESTROY(&pt); |
450 | RETURN_ME; |
451 | } |
452 | |
453 | static PyObject *wbmeth_putecptraw(PyObject *me, PyObject *arg) |
454 | { |
455 | PyObject *ptobj; |
456 | ec pt = EC_INIT; |
457 | if (!PyArg_ParseTuple(arg, "O!:putecptraw", ecptcurve_pytype, &ptobj)) |
458 | return (0); |
459 | EC_OUT(ECPT_C(ptobj), &pt, ECPT_P(ptobj)); |
460 | ensure(me, ECPT_C(ptobj)->f->noctets * 2 + 1); |
461 | ec_putraw(ECPT_C(ptobj), BUF_B(me), &pt); assert(BOK(BUF_B(me))); |
462 | EC_DESTROY(&pt); |
463 | RETURN_ME; |
464 | } |
465 | |
466 | static PyObject *wbmeth_putge(PyObject *me, PyObject *arg) |
467 | { |
468 | PyObject *geobj; |
469 | if (!PyArg_ParseTuple(arg, "O!:putge", ge_pytype, &geobj)) return (0); |
470 | ensure(me, GE_G(geobj)->noctets); |
471 | G_TOBUF(GE_G(geobj), BUF_B(me), GE_X(geobj)); assert(BOK(BUF_B(me))); |
472 | RETURN_ME; |
473 | } |
474 | |
475 | static PyObject *wbmeth_putgeraw(PyObject *me, PyObject *arg) |
476 | { |
477 | PyObject *geobj; |
478 | if (!PyArg_ParseTuple(arg, "O!:putgeraw", ge_pytype, &geobj)) return (0); |
479 | ensure(me, GE_G(geobj)->noctets); |
480 | G_TORAW(GE_G(geobj), BUF_B(me), GE_X(geobj)); assert(BOK(BUF_B(me))); |
481 | RETURN_ME; |
482 | } |
483 | |
484 | static PyObject *wbget_size(PyObject *me, void *hunoz) |
485 | { return (PyInt_FromLong(BLEN(BUF_B(me)))); } |
486 | |
487 | static PyGetSetDef wbuf_pygetset[] = { |
488 | #define GETSETNAME(op, name) wb##op##_##name |
489 | GET (size, "WBUF.size -> SIZE") |
490 | #undef GETSETNAME |
491 | { 0 } |
492 | }; |
493 | |
494 | static PyMethodDef wbuf_pymethods[] = { |
495 | #define METHNAME(func) wbmeth_##func |
496 | METH (zero, "WBUF.skip(N)") |
497 | METH (put, "WBUF.put(BYTES)") |
498 | #define WBMETH_DECL_PUTU_(n, W, w) \ |
499 | METH(putu##w, "WBUF.putu" #w "(INT)") |
500 | DOUINTCONV(WBMETH_DECL_PUTU_) |
501 | #define WBMETH_DECL_PUTBLK_(n, W, w) \ |
502 | METH(putblk##w, "WBUF.putblk" #w "(BYTES)") |
503 | BUF_DOSUFFIXES(WBMETH_DECL_PUTBLK_) |
504 | METH (putmp, "WBUF.putmp(X)") |
505 | METH (putgf, "WBUF.putgf(X)") |
506 | KWMETH(putecpt, "WBUF.putecpt(P)") |
507 | METH (putecptraw, "WBUF.putecptraw(P)") |
508 | METH (putge, "WBUF.putge(X)") |
509 | METH (putgeraw, "WBUF.putgeraw(X)") |
510 | #undef METHNAME |
511 | { 0 } |
512 | }; |
513 | |
514 | static PyBufferProcs wbuf_pybuffer = { |
515 | wbuf_pyreadbuf, /* @bf_getreadbuffer@ */ |
516 | 0, /* @bf_getwritebuffer@ */ |
517 | wbuf_pysegcount, /* @bf_getsegcount@ */ |
518 | 0 /* @bf_getcharbuffer@ */ |
519 | }; |
520 | |
521 | static PyTypeObject wbuf_pytype_skel = { |
522 | PyObject_HEAD_INIT(0) 0, /* Header */ |
523 | "catacomb.WriteBuffer", /* @tp_name@ */ |
524 | sizeof(buf_pyobj), /* @tp_basicsize@ */ |
525 | 0, /* @tp_itemsize@ */ |
526 | |
527 | buf_pydealloc, /* @tp_dealloc@ */ |
528 | 0, /* @tp_print@ */ |
529 | 0, /* @tp_getattr@ */ |
530 | 0, /* @tp_setattr@ */ |
531 | 0, /* @tp_compare@ */ |
532 | 0, /* @tp_repr@ */ |
533 | 0, /* @tp_as_number@ */ |
534 | 0, /* @tp_as_sequence@ */ |
535 | 0, /* @tp_as_mapping@ */ |
536 | 0, /* @tp_hash@ */ |
537 | 0, /* @tp_call@ */ |
538 | 0, /* @tp_str@ */ |
539 | 0, /* @tp_getattro@ */ |
540 | 0, /* @tp_setattro@ */ |
541 | &wbuf_pybuffer, /* @tp_as_buffer@ */ |
542 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ |
543 | Py_TPFLAGS_BASETYPE, |
544 | |
545 | /* @tp_doc@ */ |
546 | "A write buffer.", |
547 | |
548 | 0, /* @tp_traverse@ */ |
549 | 0, /* @tp_clear@ */ |
550 | 0, /* @tp_richcompare@ */ |
551 | 0, /* @tp_weaklistoffset@ */ |
552 | 0, /* @tp_iter@ */ |
963a6148 |
553 | 0, /* @tp_iternext@ */ |
46e6ad89 |
554 | wbuf_pymethods, /* @tp_methods@ */ |
555 | 0, /* @tp_members@ */ |
556 | wbuf_pygetset, /* @tp_getset@ */ |
557 | 0, /* @tp_base@ */ |
558 | 0, /* @tp_dict@ */ |
559 | 0, /* @tp_descr_get@ */ |
560 | 0, /* @tp_descr_set@ */ |
561 | 0, /* @tp_dictoffset@ */ |
562 | 0, /* @tp_init@ */ |
563 | PyType_GenericAlloc, /* @tp_alloc@ */ |
564 | wbuf_pynew, /* @tp_new@ */ |
565 | 0, /* @tp_free@ */ |
566 | 0 /* @tp_is_gc@ */ |
567 | }; |
568 | |
569 | /*----- Initialization ----------------------------------------------------*/ |
570 | |
571 | void buffer_pyinit(void) |
572 | { |
573 | INITTYPE(rbuf, root); |
574 | INITTYPE(wbuf, root); |
575 | } |
576 | |
577 | void buffer_pyinsert(PyObject *mod) |
578 | { |
579 | INSEXC("BufferError", buferr, PyExc_Exception, 0); |
580 | INSERT("ReadBuffer", rbuf_pytype); |
581 | INSERT("WriteBuffer", wbuf_pytype); |
582 | } |
583 | |
584 | /*----- That's all, folks -------------------------------------------------*/ |