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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs.
Revision 1.24 by root, Sat Sep 9 21:48:28 2006 UTC

… …
8 8
9using namespace std; 9using namespace std;
10 10
11#include <EXTERN.h> 11#include <EXTERN.h>
12#include <perl.h> 12#include <perl.h>
13#include <XSUB.h>
13 14
14// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15#undef localtime 16#undef localtime
16#undef srand48 17#undef srand48
17#undef drand48 18#undef drand48
… …
25// perl bug #40256: perl does overwrite those with reentrant versions 26// perl bug #40256: perl does overwrite those with reentrant versions
26// but does not initialise their state structures. 27// but does not initialise their state structures.
27#undef random 28#undef random
28#undef crypt 29#undef crypt
29 30
30struct pl;
31struct object;
32struct mapstruct;
33
34void cfperl_init (); 31void cfperl_init ();
35void cfperl_boot ();
36void cfperl_main (); 32void cfperl_main ();
37
38// could have used templates, but a more traditional C api
39// uses more explicit typing which is ok for this purpose.
40enum data_type
41{
42 DT_END, // no further arguments
43 DT_AV, // perl-only av that needs to be flattened out
44 DT_INT,
45 DT_INT64,
46 DT_DOUBLE,
47 DT_STRING, // 0-terminated string
48 DT_DATA, // string + length
49 DT_OBJECT,
50 DT_MAP,
51 DT_PLAYER,
52 DT_ARCH,
53 DT_PARTY,
54 DT_REGION,
55
56 NUM_DATA_TYPES
57};
58 33
59enum event_klass 34enum event_klass
60{ 35{
61 KLASS_NONE, 36 KLASS_NONE,
62 KLASS_GLOBAL, 37 KLASS_GLOBAL,
… …
104bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
105int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
106 81
107struct attachable_base 82struct attachable_base
108{ 83{
109 struct sv *self; 84 SV *self;
110 struct av *cb; // CF+ perl self and callback 85 AV *cb; // CF+ perl self and callback
111 const char *attach; // generic extension attachment information 86 shstr attach; // generic extension attachment information
112 87
113 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
114 void optimise (); // possibly save some memory by destroying unneeded data 89 void optimise (); // possibly save some memory by destroying unneeded data
115 void instantiate (data_type type, void *obj); 90 void instantiate (data_type type, void *obj);
116 91
117 void attachable_init () 92 void attachable_clear ()
118 { 93 {
119 self = 0; 94 self = 0;
120 cb = 0; 95 cb = 0;
121 attach = 0; 96 attach = 0;
97 }
98
99 attachable_base ()
100 {
101 attachable_clear ();
102 }
103
104 ~attachable_base ()
105 {
106 clear ();
107 }
108
109 attachable_base (const attachable_base &src)
110 : self (0), cb (0), attach (src.attach)
111 {
122 } 112 }
123}; 113};
124 114
125// objects attachable from perl (or any other extension) should include or 115// objects attachable from perl (or any other extension) should include or
126// derive using the curiously recurring template pattern, to avoid 116// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc. 117// virtual method calls etc.
128template<class subclass> 118template<class subclass>
129struct attachable : attachable_base 119struct attachable : attachable_base
130{ 120{
131 static data_type get_dt ()
132 {
133 return subclass::get_dt ();
134 }
135
136 void instantiate () 121 void instantiate ()
137 { 122 {
138 if (attach) 123 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 124 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
140 } 125 }
141}; 126};
142 127
143struct object_freezethaw 128struct object_freezer : dynbuf
144{ 129{
145 struct av *av; 130 AV *av;
146};
147 131
148struct object_freezer : object_freezethaw 132 object_freezer ();
149{
150 struct sv *text;
151 void *filename;
152
153 object_freezer (const char *filename);
154 ~object_freezer (); 133 ~object_freezer ();
155 134
156 void put (attachable_base *ext); 135 void put (attachable_base *ext);
157 136
158 template<class subclass> 137 template<class subclass>
159 void put (attachable<subclass> *obj) 138 void put (attachable<subclass> *obj)
160 { 139 {
161 put ((attachable_base *)obj); 140 put ((attachable_base *)obj);
162 } 141 }
163 142
143 //TODO//temporary
144 void put (const char *k, const char *v)
145 {
146 add (k);
147
148 if (v)
149 add (' '), add (v);
150
151 add ('\n');
152 }
153
154 //TODO//temporary
155 void put (const char *k, int v)
156 {
157 add (k);
158 add (' ');
159 add (sint32 (v));
160 add ('\n');
161 }
162
163#if 1
164 void put (keyword k, const char *v)
165 {
166 int klen = keyword_len [k];
167 int vlen = v ? strlen (v) + 1 : 0;
168
169 char *p = (char *)alloc (klen + vlen + 1);
170
171 memcpy (p, keyword_str [k], klen); p += klen;
172
173 if (v)
174 {
175 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
176 memcpy (p, v, vlen); p += vlen;
177 }
178
179 *p = '\n';
180 }
181#endif
182
183#if 0
184 void put (keyword k, const shstr &v)
185 {
186 int klen = keyword_len [k];
187 int vlen = v ? v.length () + 1 : 0;
188
189 char *p = (char *)alloc (klen + vlen + 1);
190
191 memcpy (p, keyword_str [k], klen); p += klen;
192
193 if (v)
194 {
195 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
196 memcpy (p, v, vlen); p += vlen;
197 }
198
199 *p = '\n';
200 }
201#endif
202
203 void put (keyword k, double v)
204 {
205 char buf [128];
206
207 snprintf (buf, 128, "%.7g", v);
208
209 put (k, (const char *)buf);
210 }
211
212 void put_(keyword k, sint64 v)
213 {
214 add (keyword_str [k], keyword_len [k]);
215 add (' ');
216 add (v);
217 add ('\n');
218 }
219
220 void put_(keyword k, sint32 v)
221 {
222 add (keyword_str [k], keyword_len [k]);
223 add (' ');
224 add (v);
225 add ('\n');
226 }
227
228 void put (keyword kbeg, keyword kend, const shstr &v)
229 {
230 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
231
232 if (v)
233 {
234 add (v);
235 add ('\n');
236 }
237
238 add (keyword_str [kend], keyword_len [kend]); add ('\n');
239 }
240
241 void put (keyword k, float v) { put (k, (double)v); }
242 void put (keyword k, signed char v) { put_(k, (sint32)v); }
243 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
244 void put (keyword k, signed short v) { put_(k, (sint32)v); }
245 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
246 void put (keyword k, signed int v) { put_(k, (sint32)v); }
247 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
248 void put (keyword k, signed long v) { put_(k, (sint64)v); }
249 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
250 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
251 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
252
253 template<typename T>
254 void put (keyword k, T *v)
255 {
256 if (v)
257 put (k, v->name);
258 else
259 put (k, (const char *)0);
260 }
261
262 bool save (const char *filename);
263
164 operator bool () { return !!av; } 264 operator bool () { return !!av; }
165};
166
167struct object_thawer : object_freezethaw
168{
169 FILE *fp;
170
171 object_thawer (const char *filename = 0);
172 ~object_thawer ();
173
174 void get (data_type type, void *obj, attachable_base *ext, int oid);
175
176 template<class subclass>
177 void get (attachable<subclass> *obj, int oid)
178 {
179 if (av)
180 get (subclass::get_dt (), (subclass *)obj, obj, oid);
181 }
182
183 operator FILE *() { return fp; }
184}; 265};
185 266
186// compatibility support, should be removed when no longer needed 267// compatibility support, should be removed when no longer needed
187int fprintf (object_freezer &freezer, const char *format, ...); 268int fprintf (object_freezer &freezer, const char *format, ...);
188int fputs (const char *s, object_freezer &freezer); 269int fputs (const char *s, object_freezer &freezer);
189 270
271struct object_thawer
272{
273 SV *text; // text part
274 AV *av; // perl part
275 char *line; // current beginning of line
276 char *last_value;
277
278 operator bool () { return !!text; }
279
280 object_thawer (const char *filename = 0);
281 ~object_thawer ();
282
283 void get (data_type type, void *obj, attachable_base *ext, int oid);
284
285 template<class subclass>
286 void get (attachable<subclass> *obj, int oid)
287 {
288 if (av)
289 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
290 }
291
292 keyword get_kv (); // also parse value for later use
293
294 const char *get_str () { return last_value; } // may be 0
295
296 void get (shstr &sh) const;
297 void get_ornull (shstr &sh) const { sh = last_value; }
298 void get_ml (keyword kend, shstr &sh);
299
300 sint32 get_sint32 () const;
301 sint64 get_sint64 () const;
302 double get_double () const;
303
304 void get (float &v) { v = get_double (); }
305 void get (double &v) { v = get_double (); }
306
307 void get (sint8 &i) { i = get_sint32 (); }
308 void get (uint8 &i) { i = get_sint32 (); }
309 void get (sint16 &i) { i = get_sint32 (); }
310 void get (uint16 &i) { i = get_sint32 (); }
311 void get (sint32 &i) { i = get_sint32 (); }
312
313 void get (uint32 &i) { i = get_sint64 (); }
314 void get (sint64 &i) { i = get_sint64 (); }
315};
316
317char *fgets (char *s, int n, object_thawer &thawer);
318
190#endif 319#endif
191 320

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