1 |
// |
2 |
// cfperl.h perl interface |
3 |
// |
4 |
#ifndef CFPERL_H__ |
5 |
#define CFPERL_H__ |
6 |
|
7 |
#include <cstdio> |
8 |
|
9 |
using namespace std; |
10 |
|
11 |
#include <EXTERN.h> |
12 |
#include <perl.h> |
13 |
#include <XSUB.h> |
14 |
|
15 |
// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
16 |
#undef localtime |
17 |
#undef srand48 |
18 |
#undef drand48 |
19 |
#undef srandom |
20 |
#undef readdir |
21 |
#undef getprotobyname |
22 |
#undef gethostbyname |
23 |
#undef ctime |
24 |
#undef strerror |
25 |
|
26 |
// perl bug #40256: perl does overwrite those with reentrant versions |
27 |
// but does not initialise their state structures. |
28 |
#undef random |
29 |
#undef crypt |
30 |
|
31 |
void cfperl_init (); |
32 |
void cfperl_main (); |
33 |
|
34 |
enum event_klass |
35 |
{ |
36 |
KLASS_NONE, |
37 |
KLASS_GLOBAL, |
38 |
KLASS_PLAYER, |
39 |
KLASS_OBJECT, |
40 |
KLASS_MAP, |
41 |
KLASS_COMMAND, |
42 |
}; |
43 |
|
44 |
enum event_type |
45 |
{ |
46 |
# define def(klass,name) EVENT_ ## klass ## _ ## name, |
47 |
# include "eventinc.h" |
48 |
# undef def |
49 |
NUM_EVENT_TYPES |
50 |
}; |
51 |
|
52 |
#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
53 |
#define ARG_INT(v) DT_INT , static_cast<int> (v) |
54 |
#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
55 |
#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
56 |
#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
57 |
#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
58 |
#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) |
59 |
#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
60 |
#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
61 |
#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
62 |
#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
63 |
#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
64 |
|
65 |
// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
66 |
|
67 |
// all these return true when the normal event processing should be skipped (if any) |
68 |
#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
69 |
|
70 |
#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
71 |
#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
72 |
#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
73 |
#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
74 |
#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
75 |
|
76 |
//TODO should index into @result |
77 |
#define RESULT(idx,type) cfperl_result_ ## type (idx) |
78 |
#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
79 |
#define RESULT_INT(idx) RESULT(idx, INT) |
80 |
|
81 |
bool cfperl_invoke (event_type event, ...); |
82 |
double cfperl_result_DOUBLE (int idx); |
83 |
int cfperl_result_INT (int idx); |
84 |
|
85 |
struct attachable_base |
86 |
{ |
87 |
SV *self; |
88 |
AV *cb; // CF+ perl self and callback |
89 |
shstr attach; // generic extension attachment information |
90 |
|
91 |
void clear (); // called when free'ing objects |
92 |
void optimise (); // possibly save some memory by destroying unneeded data |
93 |
void instantiate (data_type type, void *obj); |
94 |
|
95 |
void attachable_clear () |
96 |
{ |
97 |
self = 0; |
98 |
cb = 0; |
99 |
attach = 0; |
100 |
} |
101 |
|
102 |
attachable_base () |
103 |
{ |
104 |
attachable_clear (); |
105 |
} |
106 |
|
107 |
~attachable_base () |
108 |
{ |
109 |
clear (); |
110 |
} |
111 |
|
112 |
attachable_base (const attachable_base &src) |
113 |
: self (0), cb (0), attach (src.attach) |
114 |
{ |
115 |
} |
116 |
|
117 |
attachable_base &operator = (const attachable_base &src) |
118 |
{ |
119 |
clear (); |
120 |
attach = src.attach; |
121 |
return *this; |
122 |
} |
123 |
}; |
124 |
|
125 |
// objects attachable from perl (or any other extension) should include or |
126 |
// derive using the curiously recurring template pattern, to avoid |
127 |
// virtual method calls etc. |
128 |
template<class subclass> |
129 |
struct attachable : attachable_base |
130 |
{ |
131 |
void instantiate () |
132 |
{ |
133 |
if (attach) |
134 |
attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
135 |
} |
136 |
}; |
137 |
|
138 |
struct object_freezer : dynbuf |
139 |
{ |
140 |
AV *av; |
141 |
|
142 |
object_freezer (); |
143 |
~object_freezer (); |
144 |
|
145 |
void put (attachable_base *ext); |
146 |
|
147 |
template<class subclass> |
148 |
void put (attachable<subclass> *obj) |
149 |
{ |
150 |
put ((attachable_base *)obj); |
151 |
} |
152 |
|
153 |
// used only for user-defined key-value pairs |
154 |
void put (const shstr &k, const shstr &v) |
155 |
{ |
156 |
add (k); |
157 |
|
158 |
if (v) |
159 |
add (' '), add (v); |
160 |
|
161 |
add ('\n'); |
162 |
} |
163 |
|
164 |
//TODO//temporary, used only for saving body locations |
165 |
void put (const char *k, int v) |
166 |
{ |
167 |
add (k); |
168 |
add (' '); |
169 |
add (sint32 (v)); |
170 |
add ('\n'); |
171 |
} |
172 |
|
173 |
template<typename T> |
174 |
void put_string (keyword k, const T &v) |
175 |
{ |
176 |
int klen = keyword_len [k]; |
177 |
int vlen = v ? strlen (v) + 1 : 0; |
178 |
|
179 |
char *p = (char *)alloc (klen + vlen + 1); |
180 |
|
181 |
memcpy (p, keyword_str [k], klen); p += klen; |
182 |
|
183 |
if (v) |
184 |
{ |
185 |
*p++ = ' '; vlen--; |
186 |
memcpy (p, v, vlen); p += vlen; |
187 |
} |
188 |
|
189 |
*p = '\n'; |
190 |
} |
191 |
|
192 |
void put (keyword k, const char *v) |
193 |
{ |
194 |
put_string (k, v); |
195 |
} |
196 |
|
197 |
void put (keyword k, const shstr &v) |
198 |
{ |
199 |
put_string (k, v); |
200 |
} |
201 |
|
202 |
void put (keyword k, double v) |
203 |
{ |
204 |
char buf [128]; |
205 |
|
206 |
snprintf (buf, 128, "%.7g", v); |
207 |
|
208 |
put (k, (const char *)buf); |
209 |
} |
210 |
|
211 |
void put_(keyword k, sint64 v) |
212 |
{ |
213 |
add (keyword_str [k], keyword_len [k]); |
214 |
add (' '); |
215 |
add (v); |
216 |
add ('\n'); |
217 |
} |
218 |
|
219 |
void put_(keyword k, sint32 v) |
220 |
{ |
221 |
add (keyword_str [k], keyword_len [k]); |
222 |
add (' '); |
223 |
add (v); |
224 |
add ('\n'); |
225 |
} |
226 |
|
227 |
void put (keyword kbeg, keyword kend, const shstr &v) |
228 |
{ |
229 |
add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
230 |
|
231 |
if (v) |
232 |
{ |
233 |
add (v); |
234 |
add ('\n'); |
235 |
} |
236 |
|
237 |
add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
238 |
} |
239 |
|
240 |
void put (keyword k, float v) { put (k, (double)v); } |
241 |
void put (keyword k, signed char v) { put_(k, (sint32)v); } |
242 |
void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
243 |
void put (keyword k, signed short v) { put_(k, (sint32)v); } |
244 |
void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
245 |
void put (keyword k, signed int v) { put_(k, (sint32)v); } |
246 |
void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
247 |
void put (keyword k, signed long v) { put_(k, (sint64)v); } |
248 |
void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
249 |
void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
250 |
void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
251 |
|
252 |
template<typename T> |
253 |
void put (keyword k, const T *v) |
254 |
{ |
255 |
if (v) |
256 |
put (k, v->name); |
257 |
else |
258 |
put (k, (const char *)0); |
259 |
} |
260 |
|
261 |
template<typename T> |
262 |
void put (keyword k, const refptr<T> &v) |
263 |
{ |
264 |
put (k, (T *)v); |
265 |
} |
266 |
|
267 |
bool save (const char *filename); |
268 |
char *as_string (); // like strdup |
269 |
|
270 |
operator bool () { return !!av; } |
271 |
}; |
272 |
|
273 |
// compatibility support, should be removed when no longer needed |
274 |
int fprintf (object_freezer &freezer, const char *format, ...); |
275 |
int fputs (const char *s, object_freezer &freezer); |
276 |
|
277 |
struct object_thawer |
278 |
{ |
279 |
SV *text; // text part |
280 |
AV *av; // perl part |
281 |
char *line; // current beginning of line |
282 |
char *last_value; |
283 |
|
284 |
operator bool () { return !!text; } |
285 |
|
286 |
object_thawer (const char *filename = 0); |
287 |
object_thawer (const char *data, AV *perlav); |
288 |
~object_thawer (); |
289 |
|
290 |
void get (data_type type, void *obj, attachable_base *ext, int oid); |
291 |
|
292 |
template<class subclass> |
293 |
void get (attachable<subclass> *obj, int oid) |
294 |
{ |
295 |
if (av) |
296 |
get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
297 |
} |
298 |
|
299 |
keyword get_kv (); // also parse value for later use |
300 |
|
301 |
const char *get_str () { return last_value; } // may be 0 |
302 |
|
303 |
void get (shstr &sh) const; |
304 |
void get_ornull (shstr &sh) const { sh = last_value; } |
305 |
void get_ml (keyword kend, shstr &sh); |
306 |
|
307 |
sint32 get_sint32 () const; |
308 |
sint64 get_sint64 () const; |
309 |
double get_double () const; |
310 |
|
311 |
void get (float &v) { v = get_double (); } |
312 |
void get (double &v) { v = get_double (); } |
313 |
|
314 |
void get (sint8 &i) { i = get_sint32 (); } |
315 |
void get (uint8 &i) { i = get_sint32 (); } |
316 |
void get (sint16 &i) { i = get_sint32 (); } |
317 |
void get (uint16 &i) { i = get_sint32 (); } |
318 |
void get (sint32 &i) { i = get_sint32 (); } |
319 |
|
320 |
void get (uint32 &i) { i = get_sint64 (); } |
321 |
void get (sint64 &i) { i = get_sint64 (); } |
322 |
}; |
323 |
|
324 |
char *fgets (char *s, int n, object_thawer &thawer); |
325 |
|
326 |
#endif |
327 |
|