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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.17 by root, Thu Aug 31 06:23:19 2006 UTC vs.
Revision 1.27 by root, Sun Sep 17 18:19:19 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 13#include <XSUB.h>
14#include "keyword.h"
15 14
16// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
17#undef localtime 16#undef localtime
18#undef srand48 17#undef srand48
19#undef drand48 18#undef drand48
… …
27// perl bug #40256: perl does overwrite those with reentrant versions 26// perl bug #40256: perl does overwrite those with reentrant versions
28// but does not initialise their state structures. 27// but does not initialise their state structures.
29#undef random 28#undef random
30#undef crypt 29#undef crypt
31 30
32struct pl;
33struct object;
34struct mapstruct;
35
36void cfperl_init (); 31void cfperl_init ();
37void cfperl_boot ();
38void cfperl_main (); 32void cfperl_main ();
39
40// could have used templates, but a more traditional C api
41// uses more explicit typing which is ok for this purpose.
42enum data_type
43{
44 DT_END, // no further arguments
45 DT_AV, // perl-only av that needs to be flattened out
46 DT_INT,
47 DT_INT64,
48 DT_DOUBLE,
49 DT_STRING, // 0-terminated string
50 DT_DATA, // string + length
51 DT_OBJECT,
52 DT_MAP,
53 DT_PLAYER,
54 DT_ARCH,
55 DT_PARTY,
56 DT_REGION,
57
58 NUM_DATA_TYPES
59};
60 33
61enum event_klass 34enum event_klass
62{ 35{
63 KLASS_NONE, 36 KLASS_NONE,
64 KLASS_GLOBAL, 37 KLASS_GLOBAL,
… …
79#define ARG_INT(v) DT_INT , static_cast<int> (v) 52#define ARG_INT(v) DT_INT , static_cast<int> (v)
80#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
81#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
82#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
83#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)
84#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 57#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o)
85#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 58#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o)
86#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o)
87#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o)
88#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o)
89#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o)
90 63
91// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
92 65
93// 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)
94#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) 67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
… …
100#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
101 74
102//TODO should index into @result 75//TODO should index into @result
103#define RESULT(idx,type) cfperl_result_ ## type (idx) 76#define RESULT(idx,type) cfperl_result_ ## type (idx)
104#define RESULT_INT(idx) RESULT(idx, INT) 77#define RESULT_INT(idx) RESULT(idx, INT)
78#define RESULT_MAP(idx) RESULT(idx, MAP)
105 79
106bool cfperl_invoke (event_type event, ...); 80bool cfperl_invoke (event_type event, ...);
107int cfperl_result_INT (int idx); 81int cfperl_result_INT (int idx);
82int cfperl_result_MAP (int idx);
108 83
109struct attachable_base 84struct attachable_base
110{ 85{
111 SV *self; 86 SV *self;
112 AV *cb; // CF+ perl self and callback 87 AV *cb; // CF+ perl self and callback
113 const char *attach; // generic extension attachment information 88 shstr attach; // generic extension attachment information
114 89
115 void clear (); // called when free'ing objects 90 void clear (); // called when free'ing objects
116 void optimise (); // possibly save some memory by destroying unneeded data 91 void optimise (); // possibly save some memory by destroying unneeded data
117 void instantiate (data_type type, void *obj); 92 void instantiate (data_type type, void *obj);
118 93
119 void attachable_init () 94 void attachable_clear ()
120 { 95 {
121 self = 0; 96 self = 0;
122 cb = 0; 97 cb = 0;
123 attach = 0; 98 attach = 0;
99 }
100
101 attachable_base ()
102 {
103 attachable_clear ();
104 }
105
106 ~attachable_base ()
107 {
108 clear ();
109 }
110
111 attachable_base (const attachable_base &src)
112 : self (0), cb (0), attach (src.attach)
113 {
114 }
115
116 attachable_base &operator = (const attachable_base &src)
117 {
118 clear ();
119 attach = src.attach;
120 return *this;
124 } 121 }
125}; 122};
126 123
127// objects attachable from perl (or any other extension) should include or 124// objects attachable from perl (or any other extension) should include or
128// derive using the curiously recurring template pattern, to avoid 125// derive using the curiously recurring template pattern, to avoid
129// virtual method calls etc. 126// virtual method calls etc.
130template<class subclass> 127template<class subclass>
131struct attachable : attachable_base 128struct attachable : attachable_base
132{ 129{
133 static data_type get_dt ()
134 {
135 return subclass::get_dt ();
136 }
137
138 void instantiate () 130 void instantiate ()
139 { 131 {
140 if (attach) 132 if (attach)
141 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 133 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
142 } 134 }
143}; 135};
144 136
145struct object_freezer 137struct object_freezer : dynbuf
146{ 138{
147 AV *av; 139 AV *av;
148 SV *text;
149 140
150 object_freezer (); 141 object_freezer ();
151 ~object_freezer (); 142 ~object_freezer ();
152 143
153 void put (attachable_base *ext); 144 void put (attachable_base *ext);
154 145
155 template<class subclass> 146 template<class subclass>
156 void put (attachable<subclass> *obj) 147 void put (attachable<subclass> *obj)
157 { 148 {
158 put ((attachable_base *)obj); 149 put ((attachable_base *)obj);
150 }
151
152 //TODO//temporary
153 void put (const char *k, const char *v)
154 {
155 add (k);
156
157 if (v)
158 add (' '), add (v);
159
160 add ('\n');
161 }
162
163 //TODO//temporary
164 void put (const char *k, int v)
165 {
166 add (k);
167 add (' ');
168 add (sint32 (v));
169 add ('\n');
170 }
171
172#if 1
173 void put (keyword k, const char *v)
174 {
175 int klen = keyword_len [k];
176 int vlen = v ? strlen (v) + 1 : 0;
177
178 char *p = (char *)alloc (klen + vlen + 1);
179
180 memcpy (p, keyword_str [k], klen); p += klen;
181
182 if (v)
183 {
184 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
185 memcpy (p, v, vlen); p += vlen;
186 }
187
188 *p = '\n';
189 }
190#endif
191
192#if 0
193 void put (keyword k, const shstr &v)
194 {
195 int klen = keyword_len [k];
196 int vlen = v ? v.length () + 1 : 0;
197
198 char *p = (char *)alloc (klen + vlen + 1);
199
200 memcpy (p, keyword_str [k], klen); p += klen;
201
202 if (v)
203 {
204 *p++ = ' '; vlen--; //TODO//cf compatibility always add space
205 memcpy (p, v, vlen); p += vlen;
206 }
207
208 *p = '\n';
209 }
210#endif
211
212 void put (keyword k, double v)
213 {
214 char buf [128];
215
216 snprintf (buf, 128, "%.7g", v);
217
218 put (k, (const char *)buf);
219 }
220
221 void put_(keyword k, sint64 v)
222 {
223 add (keyword_str [k], keyword_len [k]);
224 add (' ');
225 add (v);
226 add ('\n');
227 }
228
229 void put_(keyword k, sint32 v)
230 {
231 add (keyword_str [k], keyword_len [k]);
232 add (' ');
233 add (v);
234 add ('\n');
235 }
236
237 void put (keyword kbeg, keyword kend, const shstr &v)
238 {
239 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
240
241 if (v)
242 {
243 add (v);
244 add ('\n');
245 }
246
247 add (keyword_str [kend], keyword_len [kend]); add ('\n');
248 }
249
250 void put (keyword k, float v) { put (k, (double)v); }
251 void put (keyword k, signed char v) { put_(k, (sint32)v); }
252 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
253 void put (keyword k, signed short v) { put_(k, (sint32)v); }
254 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
255 void put (keyword k, signed int v) { put_(k, (sint32)v); }
256 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
257 void put (keyword k, signed long v) { put_(k, (sint64)v); }
258 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
259 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
260 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
261
262 template<typename T>
263 void put (keyword k, T *v)
264 {
265 if (v)
266 put (k, v->name);
267 else
268 put (k, (const char *)0);
159 } 269 }
160 270
161 bool save (const char *filename); 271 bool save (const char *filename);
162 272
163 operator bool () { return !!av; } 273 operator bool () { return !!av; }
… …
165 275
166// compatibility support, should be removed when no longer needed 276// compatibility support, should be removed when no longer needed
167int fprintf (object_freezer &freezer, const char *format, ...); 277int fprintf (object_freezer &freezer, const char *format, ...);
168int fputs (const char *s, object_freezer &freezer); 278int fputs (const char *s, object_freezer &freezer);
169 279
170// a single key-value line from a file
171struct token {
172 keyword k;
173 const char *v;
174
175 token (keyword k, const char *v = 0) : k(k), v(v) { }
176};
177
178struct object_thawer 280struct object_thawer
179{ 281{
180 AV *av; 282 SV *text; // text part
181 FILE *fp; 283 AV *av; // perl part
182 char line[1024]; 284 char *line; // current beginning of line
285 char *last_value;
286
287 operator bool () { return !!text; }
183 288
184 object_thawer (const char *filename = 0); 289 object_thawer (const char *filename = 0);
185 ~object_thawer (); 290 ~object_thawer ();
186 291
187 void get (data_type type, void *obj, attachable_base *ext, int oid); 292 void get (data_type type, void *obj, attachable_base *ext, int oid);
188 293
189 template<class subclass> 294 template<class subclass>
190 void get (attachable<subclass> *obj, int oid) 295 void get (attachable<subclass> *obj, int oid)
191 { 296 {
192 if (av) 297 if (av)
193 get (subclass::get_dt (), (subclass *)obj, obj, oid); 298 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
194 } 299 }
195 300
196 token get_token (); 301 keyword get_kv (); // also parse value for later use
197 302
198 operator FILE *() { return fp; } 303 const char *get_str () { return last_value; } // may be 0
304
305 void get (shstr &sh) const;
306 void get_ornull (shstr &sh) const { sh = last_value; }
307 void get_ml (keyword kend, shstr &sh);
308
309 sint32 get_sint32 () const;
310 sint64 get_sint64 () const;
311 double get_double () const;
312
313 void get (float &v) { v = get_double (); }
314 void get (double &v) { v = get_double (); }
315
316 void get (sint8 &i) { i = get_sint32 (); }
317 void get (uint8 &i) { i = get_sint32 (); }
318 void get (sint16 &i) { i = get_sint32 (); }
319 void get (uint16 &i) { i = get_sint32 (); }
320 void get (sint32 &i) { i = get_sint32 (); }
321
322 void get (uint32 &i) { i = get_sint64 (); }
323 void get (sint64 &i) { i = get_sint64 (); }
199}; 324};
325
326char *fgets (char *s, int n, object_thawer &thawer);
200 327
201#endif 328#endif
202 329

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