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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 1.23 by root, Mon Sep 4 13:55:54 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 (const attachable_base &src)
105 : self (0), cb (0), attach (src.attach)
106 {
122 } 107 }
123}; 108};
124 109
125// objects attachable from perl (or any other extension) should include or 110// objects attachable from perl (or any other extension) should include or
126// derive using the curiously recurring template pattern, to avoid 111// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc. 112// virtual method calls etc.
128template<class subclass> 113template<class subclass>
129struct attachable : attachable_base 114struct attachable : attachable_base
130{ 115{
131 static data_type get_dt ()
132 {
133 return subclass::get_dt ();
134 }
135
136 void instantiate () 116 void instantiate ()
137 { 117 {
138 if (attach) 118 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 119 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
140 } 120 }
141}; 121};
142 122
143struct object_freezethaw 123struct object_freezer : dynbuf
144{ 124{
145 struct av *av; 125 AV *av;
146};
147 126
148struct object_freezer : object_freezethaw 127 object_freezer ();
149{
150 struct sv *text;
151 void *filename;
152
153 object_freezer (const char *filename);
154 ~object_freezer (); 128 ~object_freezer ();
155 129
156 void put (attachable_base *ext); 130 void put (attachable_base *ext);
157 131
158 template<class subclass> 132 template<class subclass>
159 void put (attachable<subclass> *obj) 133 void put (attachable<subclass> *obj)
160 { 134 {
161 put ((attachable_base *)obj); 135 put ((attachable_base *)obj);
162 } 136 }
163 137
138 //TODO//temporary
139 void put (const char *k, const char *v)
140 {
141 add (k);
142
143 if (v)
144 add (' '), add (v);
145
146 add ('\n');
147 }
148
149 //TODO//temporary
150 void put (const char *k, int v)
151 {
152 add (k);
153 add (' ');
154 add (sint32 (v));
155 add ('\n');
156 }
157
158#if 1
159 void put (keyword k, const char *v)
160 {
161 int klen = keyword_len [k];
162 int vlen = v ? strlen (v) + 1 : 0;
163
164 char *p = (char *)alloc (klen + vlen + 1);
165
166 memcpy (p, keyword_str [k], klen); p += klen;
167
168 if (v)
169 {
170 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
171 memcpy (p, v, vlen); p += vlen;
172 }
173
174 *p = '\n';
175 }
176#endif
177
178#if 0
179 void put (keyword k, const shstr &v)
180 {
181 int klen = keyword_len [k];
182 int vlen = v ? v.length () + 1 : 0;
183
184 char *p = (char *)alloc (klen + vlen + 1);
185
186 memcpy (p, keyword_str [k], klen); p += klen;
187
188 if (v)
189 {
190 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
191 memcpy (p, v, vlen); p += vlen;
192 }
193
194 *p = '\n';
195 }
196#endif
197
198 void put (keyword k, double v)
199 {
200 char buf [128];
201
202 snprintf (buf, 128, "%.7g", v);
203
204 put (k, (const char *)buf);
205 }
206
207 void put_(keyword k, sint64 v)
208 {
209 add (keyword_str [k], keyword_len [k]);
210 add (' ');
211 add (v);
212 add ('\n');
213 }
214
215 void put_(keyword k, sint32 v)
216 {
217 add (keyword_str [k], keyword_len [k]);
218 add (' ');
219 add (v);
220 add ('\n');
221 }
222
223 void put (keyword kbeg, keyword kend, const shstr &v)
224 {
225 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
226
227 if (v)
228 {
229 add (v);
230 add ('\n');
231 }
232
233 add (keyword_str [kend], keyword_len [kend]); add ('\n');
234 }
235
236 void put (keyword k, float v) { put (k, (double)v); }
237 void put (keyword k, signed char v) { put_(k, (sint32)v); }
238 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
239 void put (keyword k, signed short v) { put_(k, (sint32)v); }
240 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
241 void put (keyword k, signed int v) { put_(k, (sint32)v); }
242 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
243 void put (keyword k, signed long v) { put_(k, (sint64)v); }
244 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
245 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
246 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
247
248 template<typename T>
249 void put (keyword k, T *v)
250 {
251 if (v)
252 put (k, v->name);
253 else
254 put (k, (const char *)0);
255 }
256
257 bool save (const char *filename);
258
164 operator bool () { return !!av; } 259 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}; 260};
185 261
186// compatibility support, should be removed when no longer needed 262// compatibility support, should be removed when no longer needed
187int fprintf (object_freezer &freezer, const char *format, ...); 263int fprintf (object_freezer &freezer, const char *format, ...);
188int fputs (const char *s, object_freezer &freezer); 264int fputs (const char *s, object_freezer &freezer);
189 265
266struct object_thawer
267{
268 SV *text; // text part
269 AV *av; // perl part
270 char *line; // current beginning of line
271 char *last_value;
272
273 operator bool () { return !!text; }
274
275 object_thawer (const char *filename = 0);
276 ~object_thawer ();
277
278 void get (data_type type, void *obj, attachable_base *ext, int oid);
279
280 template<class subclass>
281 void get (attachable<subclass> *obj, int oid)
282 {
283 if (av)
284 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
285 }
286
287 keyword get_kv (); // also parse value for later use
288
289 const char *get_str () { return last_value; } // may be 0
290
291 void get (shstr &sh) const;
292 void get_ornull (shstr &sh) const { sh = last_value; }
293 void get_ml (keyword kend, shstr &sh);
294
295 sint32 get_sint32 () const;
296 sint64 get_sint64 () const;
297 double get_double () const;
298
299 void get (float &v) { v = get_double (); }
300 void get (double &v) { v = get_double (); }
301
302 void get (sint8 &i) { i = get_sint32 (); }
303 void get (uint8 &i) { i = get_sint32 (); }
304 void get (sint16 &i) { i = get_sint32 (); }
305 void get (uint16 &i) { i = get_sint32 (); }
306 void get (sint32 &i) { i = get_sint32 (); }
307
308 void get (uint32 &i) { i = get_sint64 (); }
309 void get (sint64 &i) { i = get_sint64 (); }
310};
311
312char *fgets (char *s, int n, object_thawer &thawer);
313
190#endif 314#endif
191 315

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