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/cvs/deliantra/server/include/cfperl.h
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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs.
Revision 1.21 by root, Sun Sep 3 22:45:56 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#include <XSUB.h>
13 14
14// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15#undef localtime 16#undef localtime
16#undef srand48 17#undef srand48
17#undef drand48 18#undef drand48
… …
25// perl bug #40256: perl does overwrite those with reentrant versions 26// perl bug #40256: perl does overwrite those with reentrant versions
26// but does not initialise their state structures. 27// but does not initialise their state structures.
27#undef random 28#undef random
28#undef crypt 29#undef crypt
29 30
30struct pl;
31struct object;
32struct mapstruct;
33
34void cfperl_init (); 31void cfperl_init ();
35void cfperl_boot ();
36void cfperl_main (); 32void cfperl_main ();
37
38// could have used templates, but a more traditional C api
39// uses more explicit typing which is ok for this purpose.
40enum data_type
41{
42 DT_END, // no further arguments
43 DT_AV, // perl-only av that needs to be flattened out
44 DT_INT,
45 DT_INT64,
46 DT_DOUBLE,
47 DT_STRING, // 0-terminated string
48 DT_DATA, // string + length
49 DT_OBJECT,
50 DT_MAP,
51 DT_PLAYER,
52 DT_ARCH,
53 DT_PARTY,
54 DT_REGION,
55
56 NUM_DATA_TYPES
57};
58 33
59enum event_klass 34enum event_klass
60{ 35{
61 KLASS_NONE, 36 KLASS_NONE,
62 KLASS_GLOBAL, 37 KLASS_GLOBAL,
… …
104bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
105int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
106 81
107struct attachable_base 82struct attachable_base
108{ 83{
109 struct sv *self; 84 SV *self;
110 struct av *cb; // CF+ perl self and callback 85 AV *cb; // CF+ perl self and callback
111 const char *attach; // generic extension attachment information 86 shstr attach; // generic extension attachment information
112 87
113 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
114 void optimise (); // possibly save some memory by destroying unneeded data 89 void optimise (); // possibly save some memory by destroying unneeded data
115 void instantiate (data_type type, void *obj); 90 void instantiate (data_type type, void *obj);
116 91
… …
126// derive using the curiously recurring template pattern, to avoid 101// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc. 102// virtual method calls etc.
128template<class subclass> 103template<class subclass>
129struct attachable : attachable_base 104struct attachable : attachable_base
130{ 105{
131 static data_type get_dt ()
132 {
133 return subclass::get_dt ();
134 }
135
136 void instantiate () 106 void instantiate ()
137 { 107 {
138 if (attach) 108 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
140 } 110 }
141}; 111};
142 112
143struct object_freezethaw 113struct object_freezer : dynbuf
144{ 114{
145 struct av *av; 115 AV *av;
146};
147 116
148struct object_freezer : object_freezethaw 117 object_freezer ();
149{
150 struct sv *text;
151 void *filename;
152
153 object_freezer (const char *filename);
154 ~object_freezer (); 118 ~object_freezer ();
155 119
156 void put (attachable_base *ext); 120 void put (attachable_base *ext);
157 121
158 template<class subclass> 122 template<class subclass>
159 void put (attachable<subclass> *obj) 123 void put (attachable<subclass> *obj)
160 { 124 {
161 put ((attachable_base *)obj); 125 put ((attachable_base *)obj);
162 } 126 }
163 127
128 //TODO//temporary
129 void put (const char *k, const char *v)
130 {
131 add (k);
132
133 //if (v)
134 add (' '); //TODO//cf compatibility always add space
135 if (v)
136 add (v);
137
138 add ('\n');
139 }
140
141 //TODO//temporary
142 void put (const char *k, int v)
143 {
144 add (k);
145 add (' ');
146 add (sint32 (v));
147 add ('\n');
148 }
149
150 void put (keyword k, const char *v)
151 {
152 int klen = keyword_len [k];
153 int vlen = v ? strlen (v) : 0;
154
155 char *p = (char *)alloc (klen + 1 + vlen + 1);
156
157 memcpy (p, keyword_str [k], klen); p += klen;
158 *p++ = ' '; //TODO//cf compatibility always add space
159 memcpy (p, v, vlen); p += vlen;
160 *p = '\n';
161 }
162
163 void put (keyword k, double v)
164 {
165 char buf [128];
166
167 snprintf (buf, 128, "%.7g", v);
168
169 put (k, (const char *)buf);
170 }
171
172 void put_(keyword k, sint64 v)
173 {
174 add (keyword_str [k], keyword_len [k]);
175 add (' ');
176 add (v);
177 add ('\n');
178 }
179
180 void put_(keyword k, sint32 v)
181 {
182 add (keyword_str [k], keyword_len [k]);
183 add (' ');
184 add (v);
185 add ('\n');
186 }
187
188 void put (keyword kbeg, keyword kend, const char *v)
189 {
190 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
191
192 if (v)
193 {
194 add (v);
195 add ('\n');
196 }
197
198 add (keyword_str [kend], keyword_len [kend]); add ('\n');
199 }
200
201 void put (keyword k, float v) { put (k, (double)v); }
202 void put (keyword k, signed char v) { put_(k, (sint32)v); }
203 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
204 void put (keyword k, signed short v) { put_(k, (sint32)v); }
205 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
206 void put (keyword k, signed int v) { put_(k, (sint32)v); }
207 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
208 void put (keyword k, signed long v) { put_(k, (sint64)v); }
209 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
210 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
211 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
212
213 template<typename T>
214 void put (keyword k, T *v)
215 {
216 put (k, v ? (const char *)v->name : 0);
217 }
218
219 bool save (const char *filename);
220
164 operator bool () { return !!av; } 221 operator bool () { return !!av; }
165};
166
167struct object_thawer : object_freezethaw
168{
169 FILE *fp;
170
171 object_thawer (const char *filename = 0);
172 ~object_thawer ();
173
174 void get (data_type type, void *obj, attachable_base *ext, int oid);
175
176 template<class subclass>
177 void get (attachable<subclass> *obj, int oid)
178 {
179 if (av)
180 get (subclass::get_dt (), (subclass *)obj, obj, oid);
181 }
182
183 operator FILE *() { return fp; }
184}; 222};
185 223
186// compatibility support, should be removed when no longer needed 224// compatibility support, should be removed when no longer needed
187int fprintf (object_freezer &freezer, const char *format, ...); 225int fprintf (object_freezer &freezer, const char *format, ...);
188int fputs (const char *s, object_freezer &freezer); 226int fputs (const char *s, object_freezer &freezer);
189 227
228struct object_thawer
229{
230 SV *text; // text part
231 AV *av; // perl part
232 char *line; // current beginning of line
233 char *last_value;
234
235 operator bool () { return !!text; }
236
237 object_thawer (const char *filename = 0);
238 ~object_thawer ();
239
240 void get (data_type type, void *obj, attachable_base *ext, int oid);
241
242 template<class subclass>
243 void get (attachable<subclass> *obj, int oid)
244 {
245 if (av)
246 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
247 }
248
249 keyword get_kv (); // also parse value for later use
250
251 const char *get_str () { return last_value; } // may be 0
252
253 void get (shstr &sh) const;
254 void get_ornull (shstr &sh) const { sh = last_value; }
255 void get_ml (keyword kend, shstr &sh);
256
257 sint32 get_sint32 () const;
258 sint64 get_sint64 () const;
259 double get_double () const;
260
261 void get (float &v) { v = get_double (); }
262 void get (double &v) { v = get_double (); }
263
264 void get (sint8 &i) { i = get_sint32 (); }
265 void get (uint8 &i) { i = get_sint32 (); }
266 void get (sint16 &i) { i = get_sint32 (); }
267 void get (uint16 &i) { i = get_sint32 (); }
268 void get (sint32 &i) { i = get_sint32 (); }
269
270 void get (uint32 &i) { i = get_sint64 (); }
271 void get (sint64 &i) { i = get_sint64 (); }
272};
273
274char *fgets (char *s, int n, object_thawer &thawer);
275
190#endif 276#endif
191 277

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