1 |
root |
1.1 |
/* |
2 |
root |
1.21 |
* This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
3 |
|
|
* |
4 |
|
|
* Copyright (©) 2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
5 |
|
|
* |
6 |
root |
1.22 |
* Crossfire TRT is free software: you can redistribute it and/or modify |
7 |
|
|
* it under the terms of the GNU General Public License as published by |
8 |
|
|
* the Free Software Foundation, either version 3 of the License, or |
9 |
|
|
* (at your option) any later version. |
10 |
root |
1.21 |
* |
11 |
root |
1.22 |
* This program is distributed in the hope that it will be useful, |
12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
|
|
* GNU General Public License for more details. |
15 |
root |
1.21 |
* |
16 |
root |
1.22 |
* You should have received a copy of the GNU General Public License |
17 |
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
18 |
root |
1.21 |
* |
19 |
|
|
* The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 |
root |
1.1 |
*/ |
21 |
|
|
|
22 |
root |
1.4 |
#include "global.h" // bug in cfperl.h, doesn't include interface_class stuff |
23 |
root |
1.1 |
#include "logger.h" |
24 |
|
|
#include "cfperl.h" |
25 |
|
|
#include "kw_hash.h" |
26 |
|
|
|
27 |
|
|
object_freezer::object_freezer () |
28 |
root |
1.17 |
: dynbuf_text (128 * 1024, 64 * 1024) |
29 |
root |
1.1 |
{ |
30 |
|
|
av = newAV (); |
31 |
|
|
} |
32 |
|
|
|
33 |
|
|
object_freezer::~object_freezer () |
34 |
|
|
{ |
35 |
|
|
SvREFCNT_dec (av); |
36 |
|
|
} |
37 |
|
|
|
38 |
root |
1.4 |
void |
39 |
|
|
object_freezer::put (attachable *ext) |
40 |
root |
1.1 |
{ |
41 |
|
|
ext->optimise (); |
42 |
|
|
|
43 |
|
|
if (ext->self) |
44 |
|
|
{ |
45 |
|
|
int idx = AvFILLp ((AV *)av) + 1; |
46 |
|
|
av_store (av, idx, newRV_inc ((SV *)ext->self)); |
47 |
|
|
|
48 |
|
|
add ((void *)"oid ", 4); |
49 |
|
|
add ((sint32)idx); |
50 |
|
|
add ('\n'); |
51 |
|
|
} |
52 |
|
|
} |
53 |
|
|
|
54 |
root |
1.4 |
bool |
55 |
|
|
object_freezer::save (const char *path) |
56 |
root |
1.1 |
{ |
57 |
|
|
CALL_BEGIN (3); |
58 |
root |
1.4 |
CALL_ARG_SV (newSVpv (path, 0)); |
59 |
root |
1.1 |
CALL_ARG_SV (newRV_noinc (newSVpvn ((char *)linearise (), size ()))); |
60 |
|
|
CALL_ARG_SV (newRV_inc ((SV *)av)); |
61 |
|
|
CALL_CALL ("cf::object_freezer_save", G_VOID | G_DISCARD); |
62 |
|
|
CALL_END; |
63 |
root |
1.13 |
|
64 |
|
|
return 1; |
65 |
root |
1.1 |
} |
66 |
|
|
|
67 |
root |
1.4 |
char * |
68 |
|
|
object_freezer::as_string () |
69 |
root |
1.1 |
{ |
70 |
|
|
CALL_BEGIN (2); |
71 |
|
|
CALL_ARG_SV (newRV_noinc (newSVpvn ((char *)linearise (), size ()))); |
72 |
|
|
CALL_ARG_SV (newRV_inc ((SV *)av)); |
73 |
|
|
CALL_CALL ("cf::object_freezer_as_string", G_SCALAR); |
74 |
|
|
|
75 |
|
|
char *res = count > 0 |
76 |
root |
1.3 |
? strdup (SvPVX (POPs)) |
77 |
root |
1.1 |
: strdup ("[fatal error]"); |
78 |
|
|
|
79 |
|
|
CALL_END; |
80 |
|
|
|
81 |
|
|
return res; |
82 |
|
|
} |
83 |
|
|
|
84 |
root |
1.20 |
#if 0 |
85 |
root |
1.13 |
void |
86 |
root |
1.4 |
fprintf (object_freezer &freezer, const char *format, ...) |
87 |
root |
1.1 |
{ |
88 |
|
|
va_list ap; |
89 |
|
|
|
90 |
|
|
va_start (ap, format); |
91 |
|
|
|
92 |
|
|
int len = vsnprintf ((char *)freezer.force (1024), 1024, format, ap); |
93 |
|
|
|
94 |
|
|
if (len >= 0) |
95 |
|
|
freezer.alloc (len); |
96 |
|
|
|
97 |
|
|
va_end (ap); |
98 |
|
|
} |
99 |
|
|
|
100 |
pippijn |
1.12 |
// XXX: function not returning an int |
101 |
root |
1.13 |
void |
102 |
root |
1.4 |
fputs (const char *s, object_freezer &freezer) |
103 |
root |
1.1 |
{ |
104 |
|
|
freezer.add (s); |
105 |
|
|
} |
106 |
root |
1.20 |
#endif |
107 |
root |
1.1 |
|
108 |
|
|
static const char thawer_eof[] = "\n\n\n\0\0\0"; |
109 |
|
|
|
110 |
root |
1.4 |
object_thawer::object_thawer (const char *path) |
111 |
|
|
: name (strdup (path)) |
112 |
root |
1.1 |
{ |
113 |
|
|
static const char eof[] = "\n\n\n\0\0\0"; |
114 |
|
|
|
115 |
root |
1.10 |
av = 0; |
116 |
|
|
text = 0; |
117 |
|
|
line = 0; |
118 |
root |
1.8 |
linenum = 0; |
119 |
root |
1.1 |
|
120 |
root |
1.10 |
kw = KW_ERROR; |
121 |
|
|
kw_str = 0; |
122 |
|
|
value = 0; |
123 |
|
|
|
124 |
root |
1.4 |
if (path) |
125 |
root |
1.1 |
{ |
126 |
|
|
CALL_BEGIN (1); |
127 |
root |
1.4 |
CALL_ARG_SV (newSVpv (path, 0)); |
128 |
root |
1.1 |
CALL_CALL ("cf::object_thawer_load", G_ARRAY); |
129 |
|
|
|
130 |
|
|
if (count == 2) |
131 |
|
|
{ |
132 |
|
|
// second value - perl objects |
133 |
|
|
{ |
134 |
|
|
SV *sv = POPs; |
135 |
|
|
if (SvROK (sv)) |
136 |
|
|
av = (AV *)SvREFCNT_inc (SvRV (sv)); |
137 |
|
|
} |
138 |
|
|
|
139 |
|
|
// first value - text part, pad with 3 zeroes |
140 |
|
|
{ |
141 |
|
|
SV *sv = POPs; |
142 |
|
|
STRLEN len; |
143 |
|
|
char *sv_ = SvPVbyte (sv, len); |
144 |
|
|
text = newSV (len + sizeof (eof)); |
145 |
|
|
SvCUR_set (text, len); |
146 |
|
|
memcpy (SvPVX (text), sv_, len); |
147 |
|
|
memcpy (SvEND (text), eof, sizeof (eof)); // just to be sure |
148 |
|
|
|
149 |
|
|
line = SvPVX (text); |
150 |
root |
1.25 |
next (); |
151 |
root |
1.1 |
} |
152 |
|
|
} |
153 |
|
|
|
154 |
|
|
CALL_END; |
155 |
|
|
} |
156 |
|
|
} |
157 |
|
|
|
158 |
|
|
object_thawer::object_thawer (const char *data, AV *perlav) |
159 |
root |
1.23 |
: name (strdup ("(memory stream)")) |
160 |
root |
1.1 |
{ |
161 |
|
|
av = perlav; |
162 |
|
|
text = newSVpv (data, 0); |
163 |
|
|
sv_catpv (text, thawer_eof); |
164 |
|
|
line = SvPVbyte_nolen (text); |
165 |
root |
1.25 |
next (); |
166 |
root |
1.1 |
} |
167 |
|
|
|
168 |
root |
1.4 |
void |
169 |
|
|
object_thawer::get (attachable *obj, int oid) |
170 |
root |
1.1 |
{ |
171 |
|
|
if (!av || oid < 0) // this is actually an error of sorts |
172 |
|
|
return; |
173 |
|
|
|
174 |
|
|
SV **svp = av_fetch ((AV *)av, oid, 0); |
175 |
|
|
|
176 |
|
|
if (!svp || !SvROK (*svp)) |
177 |
|
|
{ |
178 |
root |
1.15 |
LOG (llevError, "trying to thaw duplicate or never-issued oid %d, ignoring.\n", oid); |
179 |
root |
1.1 |
return; |
180 |
|
|
} |
181 |
|
|
|
182 |
|
|
if (!SvROK (*svp)) |
183 |
|
|
{ |
184 |
root |
1.15 |
LOG (llevError, "deserialised perl object is not an RV\n"); |
185 |
root |
1.1 |
return; |
186 |
|
|
} |
187 |
|
|
|
188 |
|
|
HV *hv = (HV *)SvRV (*svp); |
189 |
|
|
|
190 |
|
|
if (SvTYPE (hv) != SVt_PVHV) |
191 |
|
|
{ |
192 |
root |
1.15 |
LOG (llevError, "deserialised perl object is not a PVHV\n"); |
193 |
root |
1.1 |
return; |
194 |
|
|
} |
195 |
|
|
|
196 |
|
|
if (obj->self) |
197 |
|
|
{ |
198 |
|
|
// the hard way(?) |
199 |
|
|
|
200 |
root |
1.6 |
CALL_BEGIN (2); |
201 |
|
|
CALL_ARG_SV (newRV_inc ((SV *)obj->self)); |
202 |
|
|
CALL_ARG_SV (newRV_inc ((SV *)hv)); |
203 |
|
|
PUTBACK; |
204 |
|
|
call_method ("thawer_merge", G_DISCARD | G_EVAL); |
205 |
|
|
SPAGAIN; |
206 |
|
|
CALL_END; |
207 |
root |
1.1 |
} |
208 |
|
|
else |
209 |
|
|
{ |
210 |
|
|
// the easy way(?) |
211 |
|
|
|
212 |
|
|
obj->self = hv; |
213 |
|
|
SvRV_set (*svp, &PL_sv_undef); |
214 |
|
|
|
215 |
|
|
sv_magicext ((SV *)obj->self, 0, PERL_MAGIC_ext, &attachable::vtbl, (char *)obj, 0); |
216 |
|
|
} |
217 |
|
|
|
218 |
|
|
obj->reattach (); |
219 |
|
|
} |
220 |
|
|
|
221 |
|
|
object_thawer::~object_thawer () |
222 |
|
|
{ |
223 |
|
|
if (text) SvREFCNT_dec (text); |
224 |
|
|
if (av) SvREFCNT_dec (av); |
225 |
root |
1.4 |
|
226 |
root |
1.25 |
resolve_delayed_derefs (false); |
227 |
|
|
|
228 |
root |
1.4 |
free ((void *)name); |
229 |
root |
1.1 |
} |
230 |
|
|
|
231 |
root |
1.8 |
//TODO: remove |
232 |
root |
1.4 |
char * |
233 |
|
|
fgets (char *s, int n, object_thawer &thawer) |
234 |
root |
1.1 |
{ |
235 |
|
|
char *p = thawer.line; |
236 |
|
|
char *q = s; |
237 |
|
|
|
238 |
|
|
if (!p) |
239 |
|
|
return 0; |
240 |
|
|
|
241 |
|
|
while (--n) |
242 |
|
|
{ |
243 |
|
|
if (!*p) |
244 |
|
|
break; |
245 |
|
|
|
246 |
|
|
*q++ = *p; |
247 |
|
|
|
248 |
|
|
if (*p++ == '\n') |
249 |
root |
1.8 |
{ |
250 |
|
|
++thawer.linenum; |
251 |
|
|
break; |
252 |
|
|
} |
253 |
root |
1.1 |
} |
254 |
|
|
|
255 |
|
|
*q = 0; |
256 |
|
|
thawer.line = p; |
257 |
|
|
|
258 |
|
|
return s == q ? 0 : s; |
259 |
|
|
} |
260 |
|
|
|
261 |
root |
1.24 |
void |
262 |
|
|
object_thawer::parse_warn (const char *msg) |
263 |
|
|
{ |
264 |
|
|
LOG (llevWarn, "%s:%d, \"%s %s\": %s\n", |
265 |
|
|
this->name, linenum, |
266 |
|
|
kw_str ? kw_str : "<null>", |
267 |
|
|
value ? value : "<null>", |
268 |
|
|
msg); |
269 |
|
|
} |
270 |
|
|
|
271 |
root |
1.8 |
bool |
272 |
root |
1.10 |
object_thawer::parse_error (const char *type, const char *name, bool skip) |
273 |
root |
1.8 |
{ |
274 |
|
|
if (!type) type = "file section"; |
275 |
|
|
if (!name) name = "generic"; |
276 |
|
|
|
277 |
|
|
switch (kw) |
278 |
|
|
{ |
279 |
|
|
case KW_EOF: |
280 |
|
|
LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n", |
281 |
|
|
this->name, linenum, type, name); |
282 |
|
|
return false; |
283 |
|
|
|
284 |
|
|
case KW_ERROR: |
285 |
root |
1.10 |
LOG (llevError, "%s:%d error while reading %s '%s', at '%s', aborting load.\n", |
286 |
root |
1.8 |
this->name, linenum, |
287 |
root |
1.10 |
type, name, |
288 |
|
|
kw_str ? kw_str : "<file load>"); |
289 |
root |
1.8 |
return false; |
290 |
|
|
|
291 |
|
|
default: |
292 |
root |
1.9 |
LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n", |
293 |
root |
1.8 |
this->name, linenum, |
294 |
root |
1.10 |
kw_str ? kw_str : "<null>", |
295 |
root |
1.24 |
value ? value : "<null>", |
296 |
root |
1.8 |
type, name, |
297 |
|
|
skip ? "skipping line" : "aborting load"); |
298 |
|
|
return skip; |
299 |
|
|
} |
300 |
|
|
} |
301 |
|
|
|
302 |
root |
1.10 |
void |
303 |
root |
1.11 |
object_thawer::next () |
304 |
root |
1.1 |
{ |
305 |
|
|
if (!line) |
306 |
root |
1.10 |
{ |
307 |
|
|
kw = KW_ERROR; |
308 |
|
|
return; |
309 |
|
|
} |
310 |
root |
1.1 |
|
311 |
|
|
for (;;) |
312 |
|
|
{ |
313 |
|
|
char *p = line; |
314 |
|
|
|
315 |
root |
1.16 |
if (*p <= ' ') |
316 |
|
|
{ |
317 |
|
|
// skip whitespace (only some files need this) |
318 |
|
|
while (*p == ' ' || *p == '\t') |
319 |
|
|
p++; |
320 |
|
|
|
321 |
|
|
line = p; |
322 |
|
|
} |
323 |
|
|
|
324 |
root |
1.1 |
if (!*p) |
325 |
root |
1.10 |
{ |
326 |
|
|
kw = KW_EOF; |
327 |
|
|
break; |
328 |
|
|
} |
329 |
root |
1.1 |
|
330 |
|
|
// parse keyword |
331 |
|
|
while (*p > ' ') |
332 |
|
|
p++; |
333 |
|
|
|
334 |
|
|
int klen = p - line; |
335 |
|
|
|
336 |
root |
1.19 |
value_nn = ""; |
337 |
root |
1.16 |
value = 0; |
338 |
|
|
|
339 |
root |
1.1 |
if (*p++ != '\n') |
340 |
|
|
{ |
341 |
|
|
// parse value |
342 |
root |
1.16 |
while (*(unsigned char *)p <= ' ' && *p != '\n') |
343 |
root |
1.1 |
++p; |
344 |
|
|
|
345 |
root |
1.19 |
value_nn = value = p; |
346 |
root |
1.1 |
|
347 |
|
|
while (*p != '\n') |
348 |
|
|
p++; |
349 |
|
|
|
350 |
|
|
*p++ = 0; |
351 |
|
|
} |
352 |
|
|
|
353 |
root |
1.8 |
++linenum; |
354 |
root |
1.1 |
line [klen] = 0; |
355 |
root |
1.10 |
keyword_idx *kw_idx = kw_lex::match (line, klen); |
356 |
root |
1.1 |
|
357 |
root |
1.10 |
kw_str = line; |
358 |
root |
1.1 |
line = p; |
359 |
|
|
|
360 |
root |
1.10 |
if (kw_idx) |
361 |
|
|
{ |
362 |
|
|
kw = kw_idx->index; |
363 |
|
|
break; |
364 |
|
|
} |
365 |
|
|
else if (!*kw_str || *kw_str == '#') |
366 |
root |
1.1 |
; // empty/comment line |
367 |
|
|
else |
368 |
root |
1.10 |
{ |
369 |
|
|
kw = KW_ERROR; |
370 |
|
|
break; |
371 |
|
|
} |
372 |
root |
1.1 |
} |
373 |
|
|
} |
374 |
|
|
|
375 |
root |
1.4 |
void |
376 |
root |
1.11 |
object_thawer::skip () |
377 |
root |
1.1 |
{ |
378 |
|
|
shstr ml; |
379 |
|
|
|
380 |
|
|
switch (kw) |
381 |
|
|
{ |
382 |
|
|
case KW_msg: get_ml (KW_endmsg , ml); break; |
383 |
|
|
case KW_lore: get_ml (KW_endlore , ml); break; |
384 |
|
|
case KW_maplore: get_ml (KW_endmaplore, ml); break; |
385 |
pippijn |
1.14 |
default: break; |
386 |
root |
1.1 |
} |
387 |
root |
1.10 |
|
388 |
root |
1.11 |
next (); |
389 |
root |
1.1 |
} |
390 |
|
|
|
391 |
root |
1.4 |
void |
392 |
root |
1.25 |
object_thawer::skip_block () |
393 |
|
|
{ |
394 |
root |
1.27 |
// must not stop at KW_ERROR, as those signify custom keys |
395 |
root |
1.26 |
while (kw != KW_EOF) |
396 |
root |
1.25 |
{ |
397 |
|
|
keyword w = kw; |
398 |
|
|
skip (); |
399 |
|
|
if (w == KW_end) |
400 |
|
|
break; |
401 |
|
|
} |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
void |
405 |
root |
1.4 |
object_thawer::get_ml (keyword kend, shstr &sh) |
406 |
root |
1.1 |
{ |
407 |
|
|
char kw[128]; |
408 |
|
|
|
409 |
|
|
int klen = keyword_len [kend]; |
410 |
|
|
|
411 |
|
|
kw [0] = '\n'; |
412 |
|
|
memcpy (kw + 1, keyword_str [kend], klen); |
413 |
|
|
kw [klen + 1] = '\n'; |
414 |
|
|
kw [klen + 2] = 0; |
415 |
|
|
|
416 |
root |
1.8 |
++linenum; |
417 |
|
|
|
418 |
root |
1.1 |
// first test for completely empty msg... "endXXX\n" |
419 |
|
|
if (!strncmp (line, kw + 1, klen + 1)) |
420 |
|
|
{ |
421 |
|
|
sh = 0; |
422 |
|
|
|
423 |
|
|
line += klen + 1; |
424 |
|
|
|
425 |
|
|
return; |
426 |
|
|
} |
427 |
|
|
else |
428 |
|
|
{ |
429 |
|
|
// multi-line strings are delimited by "\nendXXX\n" or "endXXX\n" (NULL) |
430 |
|
|
|
431 |
|
|
char *end = strstr (line, kw); |
432 |
|
|
|
433 |
|
|
if (!end) |
434 |
|
|
{ |
435 |
|
|
sh = 0; |
436 |
|
|
return; |
437 |
|
|
} |
438 |
|
|
|
439 |
|
|
*end = 0; |
440 |
|
|
sh = line; |
441 |
|
|
|
442 |
root |
1.8 |
// count line numbers |
443 |
|
|
while (line < end) |
444 |
|
|
linenum += *line++ == '\n'; |
445 |
|
|
|
446 |
|
|
line += keyword_len [kend]; |
447 |
root |
1.1 |
|
448 |
|
|
while (*line++ != '\n') |
449 |
|
|
; |
450 |
root |
1.8 |
|
451 |
|
|
++linenum; |
452 |
root |
1.1 |
} |
453 |
|
|
} |
454 |
|
|
|
455 |
root |
1.4 |
sint32 |
456 |
|
|
object_thawer::get_sint32 () const |
457 |
root |
1.1 |
{ |
458 |
root |
1.19 |
char *p = value_nn; |
459 |
root |
1.1 |
|
460 |
|
|
sint32 val = 0; |
461 |
|
|
bool negate; |
462 |
|
|
|
463 |
|
|
if (*p == '-') |
464 |
|
|
{ |
465 |
|
|
negate = true; |
466 |
|
|
++p; |
467 |
|
|
} |
468 |
|
|
else |
469 |
|
|
negate = false; |
470 |
|
|
|
471 |
|
|
do |
472 |
|
|
{ |
473 |
|
|
val *= 10; |
474 |
|
|
val += *p++ - '0'; |
475 |
|
|
} |
476 |
|
|
while (*p); |
477 |
|
|
|
478 |
|
|
return negate ? -val : val; |
479 |
|
|
} |
480 |
|
|
|
481 |
root |
1.25 |
void |
482 |
|
|
object_thawer::delayed_deref (attachable *op, object_ptr &ptr, const char *ref) |
483 |
|
|
{ |
484 |
|
|
op->refcnt_inc (); |
485 |
|
|
delayed_ref r = { op, &ptr, ref ? strdup (ref) : 0 }; |
486 |
|
|
delrefs.push_back (r); |
487 |
|
|
ptr = 0; |
488 |
|
|
} |
489 |
|
|
|
490 |
|
|
void |
491 |
|
|
object_thawer::resolve_delayed_derefs (bool deref) |
492 |
|
|
{ |
493 |
|
|
while (!delrefs.empty ()) |
494 |
|
|
{ |
495 |
|
|
delayed_ref r = delrefs.back (); |
496 |
|
|
delrefs.pop_back (); |
497 |
|
|
|
498 |
|
|
if (deref) |
499 |
|
|
*r.ptr = object::deref (r.ref); |
500 |
|
|
|
501 |
|
|
free ((void *)r.ref); |
502 |
|
|
r.op->refcnt_dec (); |
503 |
|
|
} |
504 |
|
|
} |