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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.10 by root, Sun Aug 27 17:59:26 2006 UTC vs.
Revision 1.26 by root, Sat Sep 16 22:24:12 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)
56#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 57#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o)
57#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 58#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o)
58#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o)
59#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o)
60#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o)
61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<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_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) 67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
… …
78bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
79int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
80 81
81struct attachable_base 82struct attachable_base
82{ 83{
83 void *self, *cb; // CF+ perl self and callback 84 SV *self;
85 AV *cb; // CF+ perl self and callback
84 const char *attach; // generic extension attachment information 86 shstr attach; // generic extension attachment information
85 87
86 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
87 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);
88 91
89 void attachable_init () 92 void attachable_clear ()
90 { 93 {
91 self = cb = 0; 94 self = 0;
95 cb = 0;
92 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;
93 } 119 }
94}; 120};
95 121
96// objects attachable from perl (or any other extension) should include or 122// objects attachable from perl (or any other extension) should include or
97// derive using the curiously recurring template pattern, to avoid 123// derive using the curiously recurring template pattern, to avoid
98// virtual method calls etc. 124// virtual method calls etc.
99template<class subclass> 125template<class subclass>
100struct attachable : attachable_base 126struct attachable : attachable_base
101{ 127{
102 static data_type get_dt () 128 void instantiate ()
103 { 129 {
104 subclass::get_dt (); 130 if (attach)
131 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
105 } 132 }
106}; 133};
107 134
108struct object_freezer 135struct object_freezer : dynbuf
109{ 136{
110 const char *filename; 137 AV *av;
111 void *av;
112 int idx;
113 138
114 object_freezer (const char *filename); 139 object_freezer ();
115 ~object_freezer (); 140 ~object_freezer ();
116 141
117 void put (attachable_base *ext); 142 void put (attachable_base *ext);
118 143
119 template<class subclass> 144 template<class subclass>
120 void put (attachable<subclass> *obj) 145 void put (attachable<subclass> *obj)
121 { 146 {
122 put ((attachable_base *)obj); 147 put ((attachable_base *)obj);
123 } 148 }
124 149
125 void finish (); 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
271 operator bool () { return !!av; }
126}; 272};
273
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);
127 277
128struct object_thawer 278struct object_thawer
129{ 279{
130 void *av; 280 SV *text; // text part
131 int idx; 281 AV *av; // perl part
282 char *line; // current beginning of line
283 char *last_value;
284
285 operator bool () { return !!text; }
132 286
133 object_thawer (const char *filename = 0); 287 object_thawer (const char *filename = 0);
134 ~object_thawer (); 288 ~object_thawer ();
135 289
136 void get (data_type type, void *obj, attachable_base *ext); 290 void get (data_type type, void *obj, attachable_base *ext, int oid);
137 291
138 template<class subclass> 292 template<class subclass>
139 void get (attachable<subclass> *obj) 293 void get (attachable<subclass> *obj, int oid)
140 { 294 {
141 if (av) 295 if (av)
142 get (subclass::get_dt (), (subclass *)obj, obj); 296 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
143 } 297 }
144 298
145 void finish (); 299 keyword get_kv (); // also parse value for later use
300
301 const char *get_str () { return last_value; } // may be 0
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 (); }
146}; 322};
323
324char *fgets (char *s, int n, object_thawer &thawer);
147 325
148#endif 326#endif
149 327

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