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 |
}; |
42 |
|
43 |
enum event_type |
44 |
{ |
45 |
# define def(klass,name) EVENT_ ## klass ## _ ## name, |
46 |
# include "eventinc.h" |
47 |
# undef def |
48 |
NUM_EVENT_TYPES |
49 |
}; |
50 |
|
51 |
#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
52 |
#define ARG_INT(v) DT_INT , static_cast<int> (v) |
53 |
#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
54 |
#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
55 |
#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
56 |
#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
57 |
#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
58 |
#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
59 |
#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
60 |
#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
61 |
#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
62 |
#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
63 |
|
64 |
// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
65 |
|
66 |
// all these return true when the normal event processing should be skipped (if any) |
67 |
#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
68 |
|
69 |
#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
70 |
#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
71 |
#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
72 |
#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
73 |
#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
74 |
|
75 |
//TODO should index into @result |
76 |
#define RESULT(idx,type) cfperl_result_ ## type (idx) |
77 |
#define RESULT_INT(idx) RESULT(idx, INT) |
78 |
|
79 |
bool cfperl_invoke (event_type event, ...); |
80 |
int cfperl_result_INT (int idx); |
81 |
|
82 |
struct attachable_base |
83 |
{ |
84 |
SV *self; |
85 |
AV *cb; // CF+ perl self and callback |
86 |
shstr attach; // generic extension attachment information |
87 |
|
88 |
void clear (); // called when free'ing objects |
89 |
void optimise (); // possibly save some memory by destroying unneeded data |
90 |
void instantiate (data_type type, void *obj); |
91 |
|
92 |
void attachable_init () |
93 |
{ |
94 |
self = 0; |
95 |
cb = 0; |
96 |
attach = 0; |
97 |
} |
98 |
}; |
99 |
|
100 |
// objects attachable from perl (or any other extension) should include or |
101 |
// derive using the curiously recurring template pattern, to avoid |
102 |
// virtual method calls etc. |
103 |
template<class subclass> |
104 |
struct attachable : attachable_base |
105 |
{ |
106 |
void instantiate () |
107 |
{ |
108 |
if (attach) |
109 |
attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
110 |
} |
111 |
}; |
112 |
|
113 |
struct object_freezer : dynbuf |
114 |
{ |
115 |
AV *av; |
116 |
|
117 |
object_freezer (); |
118 |
~object_freezer (); |
119 |
|
120 |
void put (attachable_base *ext); |
121 |
|
122 |
template<class subclass> |
123 |
void put (attachable<subclass> *obj) |
124 |
{ |
125 |
put ((attachable_base *)obj); |
126 |
} |
127 |
|
128 |
//TODO//temporary |
129 |
void put (const char *k, const char *v) |
130 |
{ |
131 |
add (k); |
132 |
|
133 |
//if (v) |
134 |
add (' '); //TODO//cf compatibility always add space |
135 |
if (v) |
136 |
add (v); |
137 |
|
138 |
add ('\n'); |
139 |
} |
140 |
|
141 |
//TODO//temporary |
142 |
void put (const char *k, int v) |
143 |
{ |
144 |
add (k); |
145 |
add (' '); |
146 |
add (sint32 (v)); |
147 |
add ('\n'); |
148 |
} |
149 |
|
150 |
void put (keyword k, const char *v) |
151 |
{ |
152 |
int klen = keyword_len [k]; |
153 |
int vlen = v ? strlen (v) : 0; |
154 |
|
155 |
char *p = (char *)alloc (klen + 1 + vlen + 1); |
156 |
|
157 |
memcpy (p, keyword_str [k], klen); p += klen; |
158 |
*p++ = ' '; //TODO//cf compatibility always add space |
159 |
memcpy (p, v, vlen); p += vlen; |
160 |
*p = '\n'; |
161 |
} |
162 |
|
163 |
void put (keyword k, double v) |
164 |
{ |
165 |
char buf [128]; |
166 |
|
167 |
snprintf (buf, 128, "%.7g", v); |
168 |
|
169 |
put (k, (const char *)buf); |
170 |
} |
171 |
|
172 |
void put_(keyword k, sint64 v) |
173 |
{ |
174 |
add (keyword_str [k], keyword_len [k]); |
175 |
add (' '); |
176 |
add (v); |
177 |
add ('\n'); |
178 |
} |
179 |
|
180 |
void put_(keyword k, sint32 v) |
181 |
{ |
182 |
add (keyword_str [k], keyword_len [k]); |
183 |
add (' '); |
184 |
add (v); |
185 |
add ('\n'); |
186 |
} |
187 |
|
188 |
void put (keyword kbeg, keyword kend, const char *v) |
189 |
{ |
190 |
add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
191 |
|
192 |
if (v) |
193 |
{ |
194 |
add (v); |
195 |
add ('\n'); |
196 |
} |
197 |
|
198 |
add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
199 |
} |
200 |
|
201 |
void put (keyword k, float v) { put (k, (double)v); } |
202 |
void put (keyword k, signed char v) { put_(k, (sint32)v); } |
203 |
void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
204 |
void put (keyword k, signed short v) { put_(k, (sint32)v); } |
205 |
void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
206 |
void put (keyword k, signed int v) { put_(k, (sint32)v); } |
207 |
void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
208 |
void put (keyword k, signed long v) { put_(k, (sint64)v); } |
209 |
void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
210 |
void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
211 |
void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
212 |
|
213 |
template<typename T> |
214 |
void put (keyword k, T *v) |
215 |
{ |
216 |
put (k, v ? (const char *)v->name : 0); |
217 |
} |
218 |
|
219 |
bool save (const char *filename); |
220 |
|
221 |
operator bool () { return !!av; } |
222 |
}; |
223 |
|
224 |
// compatibility support, should be removed when no longer needed |
225 |
int fprintf (object_freezer &freezer, const char *format, ...); |
226 |
int fputs (const char *s, object_freezer &freezer); |
227 |
|
228 |
struct object_thawer |
229 |
{ |
230 |
SV *text; // text part |
231 |
AV *av; // perl part |
232 |
char *line; // current beginning of line |
233 |
char *last_value; |
234 |
|
235 |
operator bool () { return !!text; } |
236 |
|
237 |
object_thawer (const char *filename = 0); |
238 |
~object_thawer (); |
239 |
|
240 |
void get (data_type type, void *obj, attachable_base *ext, int oid); |
241 |
|
242 |
template<class subclass> |
243 |
void get (attachable<subclass> *obj, int oid) |
244 |
{ |
245 |
if (av) |
246 |
get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
247 |
} |
248 |
|
249 |
keyword get_kv (); // also parse value for later use |
250 |
|
251 |
const char *get_str () { return last_value; } // may be 0 |
252 |
|
253 |
void get (shstr &sh) const; |
254 |
void get_ornull (shstr &sh) const { sh = last_value; } |
255 |
void get_ml (keyword kend, shstr &sh); |
256 |
|
257 |
sint32 get_sint32 () const; |
258 |
sint64 get_sint64 () const; |
259 |
double get_double () const; |
260 |
|
261 |
void get (float &v) { v = get_double (); } |
262 |
void get (double &v) { v = get_double (); } |
263 |
|
264 |
void get (sint8 &i) { i = get_sint32 (); } |
265 |
void get (uint8 &i) { i = get_sint32 (); } |
266 |
void get (sint16 &i) { i = get_sint32 (); } |
267 |
void get (uint16 &i) { i = get_sint32 (); } |
268 |
void get (sint32 &i) { i = get_sint32 (); } |
269 |
|
270 |
void get (uint32 &i) { i = get_sint64 (); } |
271 |
void get (sint64 &i) { i = get_sint64 (); } |
272 |
}; |
273 |
|
274 |
char *fgets (char *s, int n, object_thawer &thawer); |
275 |
|
276 |
#endif |
277 |
|