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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.13 by root, Mon Aug 28 16:52:51 2006 UTC vs.
Revision 1.22 by root, Mon Sep 4 11:07:59 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 (const attachable_base &src)
105 : self (0), cb (0), attach (src.attach)
106 {
96 } 107 }
97}; 108};
98 109
99// objects attachable from perl (or any other extension) should include or 110// objects attachable from perl (or any other extension) should include or
100// derive using the curiously recurring template pattern, to avoid 111// derive using the curiously recurring template pattern, to avoid
101// virtual method calls etc. 112// virtual method calls etc.
102template<class subclass> 113template<class subclass>
103struct attachable : attachable_base 114struct attachable : attachable_base
104{ 115{
105 static data_type get_dt ()
106 {
107 return subclass::get_dt ();
108 }
109
110 void instantiate () 116 void instantiate ()
111 { 117 {
112 if (attach) 118 if (attach)
113 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 119 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
114 } 120 }
115}; 121};
116 122
117struct object_freezethaw 123struct object_freezer : dynbuf
118{ 124{
119 void *av; 125 AV *av;
120 FILE *fp;
121 126
122 operator FILE *() { return fp; } 127 object_freezer ();
123};
124
125struct object_freezer : object_freezethaw
126{
127 void *filename;
128
129 object_freezer (const char *filename);
130 ~object_freezer (); 128 ~object_freezer ();
131 129
132 void put (attachable_base *ext); 130 void put (attachable_base *ext);
133 131
134 template<class subclass> 132 template<class subclass>
135 void put (attachable<subclass> *obj) 133 void put (attachable<subclass> *obj)
136 { 134 {
137 put ((attachable_base *)obj); 135 put ((attachable_base *)obj);
138 } 136 }
139};
140 137
141struct object_thawer : object_freezethaw 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 char *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 put (k, v ? (const char *)v->name : 0);
252 }
253
254 bool save (const char *filename);
255
256 operator bool () { return !!av; }
257};
258
259// compatibility support, should be removed when no longer needed
260int fprintf (object_freezer &freezer, const char *format, ...);
261int fputs (const char *s, object_freezer &freezer);
262
263struct object_thawer
142{ 264{
265 SV *text; // text part
266 AV *av; // perl part
267 char *line; // current beginning of line
268 char *last_value;
269
270 operator bool () { return !!text; }
271
143 object_thawer (FILE *fp, const char *filename = 0); 272 object_thawer (const char *filename = 0);
144 ~object_thawer (); 273 ~object_thawer ();
145 274
146 void get (data_type type, void *obj, attachable_base *ext, int oid); 275 void get (data_type type, void *obj, attachable_base *ext, int oid);
147 276
148 template<class subclass> 277 template<class subclass>
149 void get (attachable<subclass> *obj, int oid) 278 void get (attachable<subclass> *obj, int oid)
150 { 279 {
151 if (av) 280 if (av)
152 get (subclass::get_dt (), (subclass *)obj, obj, oid); 281 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
153 } 282 }
283
284 keyword get_kv (); // also parse value for later use
285
286 const char *get_str () { return last_value; } // may be 0
287
288 void get (shstr &sh) const;
289 void get_ornull (shstr &sh) const { sh = last_value; }
290 void get_ml (keyword kend, shstr &sh);
291
292 sint32 get_sint32 () const;
293 sint64 get_sint64 () const;
294 double get_double () const;
295
296 void get (float &v) { v = get_double (); }
297 void get (double &v) { v = get_double (); }
298
299 void get (sint8 &i) { i = get_sint32 (); }
300 void get (uint8 &i) { i = get_sint32 (); }
301 void get (sint16 &i) { i = get_sint32 (); }
302 void get (uint16 &i) { i = get_sint32 (); }
303 void get (sint32 &i) { i = get_sint32 (); }
304
305 void get (uint32 &i) { i = get_sint64 (); }
306 void get (sint64 &i) { i = get_sint64 (); }
154}; 307};
308
309char *fgets (char *s, int n, object_thawer &thawer);
155 310
156#endif 311#endif
157 312

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