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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.8 by root, Sun Aug 27 16:15:12 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 33
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_INT,
20 DT_INT64,
21 DT_DOUBLE,
22 DT_STRING, // 0-terminated string
23 DT_DATA, // string + length
24 DT_OBJECT,
25 DT_MAP,
26 DT_PLAYER,
27 DT_ARCH,
28 DT_PARTY,
29 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31
32 NUM_DATA_TYPES
33};
34
35enum event_klass 34enum event_klass
36{ 35{
36 KLASS_NONE,
37 KLASS_GLOBAL, 37 KLASS_GLOBAL,
38 KLASS_PLAYER, 38 KLASS_PLAYER,
39 KLASS_OBJECT, 39 KLASS_OBJECT,
40 KLASS_MAP, 40 KLASS_MAP,
41}; 41};
… …
46# include "eventinc.h" 46# include "eventinc.h"
47# undef def 47# undef def
48 NUM_EVENT_TYPES 48 NUM_EVENT_TYPES
49}; 49};
50 50
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
51#define ARG_INT(v) DT_INT , static_cast<int> (v) 52#define ARG_INT(v) DT_INT , static_cast<int> (v)
52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
55#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 56#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
… …
61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
62 63
63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
64 65
65// all these return true when the normal event processing should be skipped (if any) 66// all these return true when the normal event processing should be skipped (if any)
66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) 67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
67 68
69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 70#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 71#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
70#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 72#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
71#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
72 74
73//TODO should index into @result 75//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx) 76#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT) 77#define RESULT_INT(idx) RESULT(idx, INT)
76 78
77bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
79 81
80struct extendable_base 82struct attachable_base
81{ 83{
82 void *self, *cb; // CF+ perl self and callback 84 SV *self;
85 AV *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information 86 shstr attach; // generic extension attachment information
84 87
85 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
86 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);
87 91
88 void extendable_init () 92 void attachable_clear ()
89 { 93 {
90 self = cb = 0; 94 self = 0;
95 cb = 0;
91 attach = 0; 96 attach = 0;
92 } 97 }
93};
94 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 {
107 }
108};
109
95// objects extendable from perl (or any other extension) should include or 110// objects attachable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid 111// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc. 112// virtual method calls etc.
98template<class subclass> 113template<class subclass>
99struct extendable : extendable_base 114struct attachable : attachable_base
100{ 115{
101 static data_type get_dt () 116 void instantiate ()
102 { 117 {
103 subclass::get_dt (); 118 if (attach)
119 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
104 } 120 }
105}; 121};
106 122
107struct object_freezer 123struct object_freezer : dynbuf
108{ 124{
109 const char *filename; 125 AV *av;
110 void *av;
111 int idx;
112 126
113 object_freezer (const char *filename); 127 object_freezer ();
114 ~object_freezer (); 128 ~object_freezer ();
115 129
116 void put (extendable_base *ext); 130 void put (attachable_base *ext);
117 131
118 template<class subclass> 132 template<class subclass>
119 void put (extendable<subclass> *obj) 133 void put (attachable<subclass> *obj)
120 { 134 {
121 put ((extendable_base *)obj); 135 put ((attachable_base *)obj);
122 } 136 }
123 137
124 void finish (); 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; }
125}; 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);
126 262
127struct object_thawer 263struct object_thawer
128{ 264{
129 void *av; 265 SV *text; // text part
130 int idx; 266 AV *av; // perl part
267 char *line; // current beginning of line
268 char *last_value;
269
270 operator bool () { return !!text; }
131 271
132 object_thawer (const char *filename = 0); 272 object_thawer (const char *filename = 0);
133 ~object_thawer (); 273 ~object_thawer ();
134 274
135 void get (data_type type, void *obj, extendable_base *ext); 275 void get (data_type type, void *obj, attachable_base *ext, int oid);
136 276
137 template<class subclass> 277 template<class subclass>
138 void get (extendable<subclass> *obj) 278 void get (attachable<subclass> *obj, int oid)
139 { 279 {
140 if (av) 280 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj); 281 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
142 } 282 }
143 283
144 void finish (); 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 (); }
145}; 307};
308
309char *fgets (char *s, int n, object_thawer &thawer);
146 310
147#endif 311#endif
148 312

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