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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.15 by root, Wed Aug 30 11:02:15 2006 UTC vs.
Revision 1.25 by root, Sun Sep 10 14:54:02 2006 UTC

… …
2// cfperl.h perl interface 2// cfperl.h perl interface
3// 3//
4#ifndef CFPERL_H__ 4#ifndef CFPERL_H__
5#define CFPERL_H__ 5#define CFPERL_H__
6 6
7struct pl; 7#include <cstdio>
8struct object; 8
9struct mapstruct; 9using 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
10 30
11void cfperl_init (); 31void cfperl_init ();
12void cfperl_main (); 32void cfperl_main ();
13
14// could have used templates, but a more traditional C api
15// uses more explicit typing which is ok for this purpose.
16enum data_type
17{
18 DT_END, // no further arguments
19 DT_AV, // perl-only av that needs to be flattened out
20 DT_INT,
21 DT_INT64,
22 DT_DOUBLE,
23 DT_STRING, // 0-terminated string
24 DT_DATA, // string + length
25 DT_OBJECT,
26 DT_MAP,
27 DT_PLAYER,
28 DT_ARCH,
29 DT_PARTY,
30 DT_REGION,
31
32 NUM_DATA_TYPES
33};
34 33
35enum event_klass 34enum event_klass
36{ 35{
37 KLASS_NONE, 36 KLASS_NONE,
38 KLASS_GLOBAL, 37 KLASS_GLOBAL,
… …
80bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
81int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
82 81
83struct attachable_base 82struct attachable_base
84{ 83{
85 void *self, *cb; // CF+ perl self and callback 84 SV *self;
85 AV *cb; // CF+ perl self and callback
86 const char *attach; // generic extension attachment information 86 shstr attach; // generic extension attachment information
87 87
88 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 89 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj); 90 void instantiate (data_type type, void *obj);
91 91
92 void attachable_init () 92 void attachable_clear ()
93 { 93 {
94 self = cb = 0; 94 self = 0;
95 cb = 0;
95 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 {
112 }
113
114 attachable_base &operator = (const attachable_base &src)
115 {
116 clear ();
117 attach = src.attach;
118 return *this;
96 } 119 }
97}; 120};
98 121
99// objects attachable from perl (or any other extension) should include or 122// objects attachable from perl (or any other extension) should include or
100// derive using the curiously recurring template pattern, to avoid 123// derive using the curiously recurring template pattern, to avoid
101// virtual method calls etc. 124// virtual method calls etc.
102template<class subclass> 125template<class subclass>
103struct attachable : attachable_base 126struct attachable : attachable_base
104{ 127{
105 static data_type get_dt ()
106 {
107 return subclass::get_dt ();
108 }
109
110 void instantiate () 128 void instantiate ()
111 { 129 {
112 if (attach) 130 if (attach)
113 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 131 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
114 } 132 }
115}; 133};
116 134
117struct object_freezethaw 135struct object_freezer : dynbuf
118{ 136{
119 void *av; 137 AV *av;
120 FILE *fp;
121};
122 138
123struct object_freezer : object_freezethaw 139 object_freezer ();
124{
125 void *filename;
126
127 object_freezer (const char *filename);
128 ~object_freezer (); 140 ~object_freezer ();
129 141
130 void put (attachable_base *ext); 142 void put (attachable_base *ext);
131 143
132 template<class subclass> 144 template<class subclass>
133 void put (attachable<subclass> *obj) 145 void put (attachable<subclass> *obj)
134 { 146 {
135 put ((attachable_base *)obj); 147 put ((attachable_base *)obj);
136 } 148 }
137 149
150 //TODO//temporary
151 void put (const char *k, const char *v)
152 {
153 add (k);
154
155 if (v)
156 add (' '), add (v);
157
158 add ('\n');
159 }
160
161 //TODO//temporary
162 void put (const char *k, int v)
163 {
164 add (k);
165 add (' ');
166 add (sint32 (v));
167 add ('\n');
168 }
169
170#if 1
171 void put (keyword k, const char *v)
172 {
173 int klen = keyword_len [k];
174 int vlen = v ? strlen (v) + 1 : 0;
175
176 char *p = (char *)alloc (klen + vlen + 1);
177
178 memcpy (p, keyword_str [k], klen); p += klen;
179
180 if (v)
181 {
182 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
183 memcpy (p, v, vlen); p += vlen;
184 }
185
186 *p = '\n';
187 }
188#endif
189
190#if 0
191 void put (keyword k, const shstr &v)
192 {
193 int klen = keyword_len [k];
194 int vlen = v ? v.length () + 1 : 0;
195
196 char *p = (char *)alloc (klen + vlen + 1);
197
198 memcpy (p, keyword_str [k], klen); p += klen;
199
200 if (v)
201 {
202 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
203 memcpy (p, v, vlen); p += vlen;
204 }
205
206 *p = '\n';
207 }
208#endif
209
210 void put (keyword k, double v)
211 {
212 char buf [128];
213
214 snprintf (buf, 128, "%.7g", v);
215
216 put (k, (const char *)buf);
217 }
218
219 void put_(keyword k, sint64 v)
220 {
221 add (keyword_str [k], keyword_len [k]);
222 add (' ');
223 add (v);
224 add ('\n');
225 }
226
227 void put_(keyword k, sint32 v)
228 {
229 add (keyword_str [k], keyword_len [k]);
230 add (' ');
231 add (v);
232 add ('\n');
233 }
234
235 void put (keyword kbeg, keyword kend, const shstr &v)
236 {
237 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
238
239 if (v)
240 {
241 add (v);
242 add ('\n');
243 }
244
245 add (keyword_str [kend], keyword_len [kend]); add ('\n');
246 }
247
248 void put (keyword k, float v) { put (k, (double)v); }
249 void put (keyword k, signed char v) { put_(k, (sint32)v); }
250 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
251 void put (keyword k, signed short v) { put_(k, (sint32)v); }
252 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
253 void put (keyword k, signed int v) { put_(k, (sint32)v); }
254 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
255 void put (keyword k, signed long v) { put_(k, (sint64)v); }
256 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
257 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
258 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
259
260 template<typename T>
261 void put (keyword k, T *v)
262 {
263 if (v)
264 put (k, v->name);
265 else
266 put (k, (const char *)0);
267 }
268
269 bool save (const char *filename);
270
138 operator bool () { return !!fp; } 271 operator bool () { return !!av; }
139}; 272};
140 273
141struct object_thawer : object_freezethaw 274// compatibility support, should be removed when no longer needed
275int fprintf (object_freezer &freezer, const char *format, ...);
276int fputs (const char *s, object_freezer &freezer);
277
278struct object_thawer
142{ 279{
280 SV *text; // text part
281 AV *av; // perl part
282 char *line; // current beginning of line
283 char *last_value;
284
285 operator bool () { return !!text; }
286
143 object_thawer (const char *filename = 0); 287 object_thawer (const char *filename = 0);
144 ~object_thawer (); 288 ~object_thawer ();
145 289
146 void get (data_type type, void *obj, attachable_base *ext, int oid); 290 void get (data_type type, void *obj, attachable_base *ext, int oid);
147 291
148 template<class subclass> 292 template<class subclass>
149 void get (attachable<subclass> *obj, int oid) 293 void get (attachable<subclass> *obj, int oid)
150 { 294 {
151 if (av) 295 if (av)
152 get (subclass::get_dt (), (subclass *)obj, obj, oid); 296 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
153 } 297 }
154 298
155 operator FILE *() { return fp; } 299 keyword get_kv (); // also parse value for later use
156};
157 300
158int fprintf (object_freezer &freezer, const char *format, ...); 301 const char *get_str () { return last_value; } // may be 0
159int fputs (const char *s, object_freezer &freezer); 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
324char *fgets (char *s, int n, object_thawer &thawer);
160 325
161#endif 326#endif
162 327

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