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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.65 by root, Thu May 24 03:33:29 2007 UTC vs.
Revision 1.77 by root, Tue Jun 5 13:05:02 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */
24
1// 25//
2// cfperl.h perl interface 26// cfperl.h perl interface
3// 27//
4#ifndef CFPERL_H__ 28#ifndef CFPERL_H__
5#define CFPERL_H__ 29#define CFPERL_H__
… …
110#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 134#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
111#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 135#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
112#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 136#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
113 137
114// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 138// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
115 139#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
116// all these return true when the normal event processing should be skipped (if any)
117#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 140#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 141#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 142#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 143#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
121#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 144#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
122#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 145#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
123 146
124//TODO should index into @result 147//TODO should index into @result
125#define RESULT(idx,type) cfperl_result_ ## type (idx) 148#define RESULT(idx,type) cfperl_result_ ## type (idx)
126#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 149#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
127#define RESULT_INT(idx) RESULT(idx, INT) 150#define RESULT_INT(idx) RESULT(idx, INT)
… …
151 MTH void refcnt_inc () const { ++refcnt; } 174 MTH void refcnt_inc () const { ++refcnt; }
152 MTH void refcnt_dec () const { --refcnt; } 175 MTH void refcnt_dec () const { --refcnt; }
153 176
154 MTH int refcnt_cnt () const; 177 MTH int refcnt_cnt () const;
155 // check wether the object has died and destroy 178 // check wether the object has died and destroy
156 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 179 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
157 180
158 // destroy the object unless it was already destroyed 181 // destroy the object unless it was already destroyed
159 // this politely asks everybody interested the reduce 182 // this politely asks everybody interested the reduce
160 // the refcount to 0 as soon as possible. 183 // the refcount to 0 as soon as possible.
161 MTH void destroy (); 184 MTH void destroy ();
… …
190 213
191 virtual ~attachable (); 214 virtual ~attachable ();
192 215
193 attachable &operator =(const attachable &src); 216 attachable &operator =(const attachable &src);
194 217
195 bool vinvoke (event_type event, va_list &ap); 218 // used to _quickly_ device wether to shortcut the evaluation
219 bool should_invoke (event_type event)
220 {
221 return ev_want_event [event] || cb;
222 }
223
196 bool invoke (event_type event, ...) 224 bool invoke (event_type event, ...);
197 {
198 if (ev_want_event [event] || cb)
199 {
200 va_list ap;
201 va_start (ap, event);
202 vinvoke (event, ap);
203 va_end (ap);
204 }
205 }
206 225
207 MTH void instantiate (); 226 MTH void instantiate ();
208 void reattach (); 227 void reattach ();
209 228
210protected: 229protected:
… …
237 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
238 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
239 { 258 {
240 add (k); 259 add (k);
241 260
242 if (v) 261 if (expect_true (v))
243 add (' '), add (v); 262 add (' '), add (v);
244 263
245 add ('\n');
246 }
247
248 //TODO//temporary, used only for saving body locations
249 void put (const char *k, int v)
250 {
251 add (k);
252 add (' ');
253 add (sint32 (v));
254 add ('\n'); 264 add ('\n');
255 } 265 }
256 266
257 template<typename T> 267 template<typename T>
258 void put_string (keyword k, const T &v) 268 void put_string (keyword k, const T &v)
… …
262 272
263 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
264 274
265 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
266 276
267 if (v) 277 if (expect_true (v))
268 { 278 {
269 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
270 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
271 } 281 }
272 282
… …
283 put_string (k, v); 293 put_string (k, v);
284 } 294 }
285 295
286 void put (keyword k, double v) 296 void put (keyword k, double v)
287 { 297 {
288 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
289 299 fadd (keyword_str [k], keyword_len [k]);
290 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
291 301 falloc (sprintf (ptr, "%.7g", v));
292 put (k, (const char *)buf); 302 fadd ('\n');
293 } 303 }
294 304
295 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
296 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
297 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
298 add (' '); 309 fadd (' ');
299 add (v); 310 add (v);
300 add ('\n'); 311 fadd ('\n');
301 } 312 }
302 313
303 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
304 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
305 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
306 add (' '); 318 fadd (' ');
307 add (v); 319 add (v);
308 add ('\n'); 320 fadd ('\n');
309 }
310
311 void put (keyword kbeg, keyword kend, const shstr &v)
312 {
313 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
314
315 if (v)
316 {
317 add (v);
318 add ('\n');
319 }
320
321 add (keyword_str [kend], keyword_len [kend]); add ('\n');
322 } 321 }
323 322
324 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
325 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 332 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
335 334
335 void put (keyword kbeg, keyword kend, const shstr &v)
336 {
337 force (MAX_KEYWORD_LEN + 1);
338 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
339
340 if (expect_true (v))
341 {
342 add (v);
343 add ('\n');
344 }
345
346 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 }
349
336 template<typename T> 350 template<typename T>
337 void put (keyword k, const T *v) 351 void put (keyword k, const T *v)
338 { 352 {
339 if (v)
340 put (k, v->name);
341 else
342 put (k, (const char *)0); 353 put (k, v ? &v->name : (const char *)0);
343 } 354 }
344 355
345 template<typename T> 356 template<typename T>
346 void put (keyword k, const refptr<T> &v) 357 void put (keyword k, const refptr<T> &v)
347 { 358 {
… …
352 char *as_string (); // like strdup 363 char *as_string (); // like strdup
353 364
354 operator bool () { return !!av; } 365 operator bool () { return !!av; }
355}; 366};
356 367
357// compatibility support, should be removed when no longer needed
358void fprintf (object_freezer &freezer, const char *format, ...);
359void fputs (const char *s, object_freezer &freezer);
360
361struct object_thawer 368struct object_thawer
362{ 369{
370 char *line; // current beginning of line
363 SV *text; // text part 371 SV *text; // text part
364 AV *av; // perl part 372 AV *av; // perl part
365 int linenum; 373 int linenum;
366 char *line; // current beginning of line
367 keyword kw; 374 keyword kw;
368 char *kw_str, *value; 375 char *kw_str; // the keyword parsed, as string
376 char *value; // the value, or 0 if no value
377 char *value_nn; // the value, or the empty string if no value
369 const char *name; 378 const char *name;
370 379
371 operator bool () { return !!text; } 380 operator bool () { return !!text; }
372 381
373 object_thawer (const char *path = 0); 382 object_thawer (const char *path = 0);
… …
377 void get (attachable *obj, int oid); 386 void get (attachable *obj, int oid);
378 387
379 // parse next line 388 // parse next line
380 void next (); 389 void next ();
381 // skip the current key-value (usually fetch next line, for 390 // skip the current key-value (usually fetch next line, for
382 // multiline-fields, skips untilt he corresponding end-kw 391 // multiline-fields, skips till the corresponding end-kw
383 void skip (); 392 void skip ();
384 393
385 //TODO: remove, deprecated
386 keyword get_kv ()
387 {
388 next ();
389 return kw;
390 }
391
392 char *get_str () { return value; } // may be 0 394 char *get_str () { return value; } // may be 0
395 void get_ml (keyword kend, shstr &sh);
393 396
394 void get (shstr &sh) const;
395 void get_ornull (shstr &sh) const { sh = value; } 397 void get_ornull (shstr &sh) const { sh = value; }
396 void get_ml (keyword kend, shstr &sh); 398 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
397 399
400 bool get_bool () const { return *value_nn == '1'; }
398 sint32 get_sint32 () const; 401 sint32 get_sint32 () const;
399 sint64 get_sint64 () const; 402 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
400 double get_double () const; 403 double get_double () const { return strtod (value_nn, 0); }
401 404
402 void get (float &v) { v = get_double (); } 405 void get (float &v) { v = get_double (); }
403 void get (double &v) { v = get_double (); } 406 void get (double &v) { v = get_double (); }
404 407
405 void get (bool &i) { i = get_sint32 (); } 408 void get (bool &i) { i = get_bool (); }
406 void get (sint8 &i) { i = get_sint32 (); } 409 void get (sint8 &i) { i = get_sint32 (); }
407 void get (uint8 &i) { i = get_sint32 (); } 410 void get (uint8 &i) { i = get_sint32 (); }
408 void get (sint16 &i) { i = get_sint32 (); } 411 void get (sint16 &i) { i = get_sint32 (); }
409 void get (uint16 &i) { i = get_sint32 (); } 412 void get (uint16 &i) { i = get_sint32 (); }
410 void get (sint32 &i) { i = get_sint32 (); } 413 void get (sint32 &i) { i = get_sint32 (); }
… …
434 static void do_cede_to_tick (); 437 static void do_cede_to_tick ();
435 static void do_cede_to_tick_every (); 438 static void do_cede_to_tick_every ();
436 439
437 static void cede_every (int count) 440 static void cede_every (int count)
438 { 441 {
439 if (++cede_counter >= count) 442 if (expect_false (++cede_counter >= count))
440 do_cede_every (); 443 do_cede_every ();
441 } 444 }
442 445
443 static void cede_to_tick () 446 static bool cede_to_tick ()
444 { 447 {
445 if (time () >= next_cede) 448 if (expect_true (time () < next_cede))
449 return false;
450
446 do_cede_to_tick (); 451 do_cede_to_tick ();
452 return true;
447 } 453 }
448 454
449 static void cede_to_tick_every (int count) 455 static bool cede_to_tick_every (int count)
450 { 456 {
451 if (++cede_counter >= count) 457 if (expect_true (++cede_counter < count))
458 return false;
459
452 cede_to_tick (); 460 return cede_to_tick ();
453 } 461 }
454 462
455 static void wait_for_tick (); 463 static void wait_for_tick ();
456 static void wait_for_tick_begin (); 464 static void wait_for_tick_begin ();
457}; 465};

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