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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 1.20 by root, Thu Aug 31 18:59:24 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 (); 32void cfperl_boot ();
36void cfperl_main (); 33void 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 34
59enum event_klass 35enum event_klass
60{ 36{
61 KLASS_NONE, 37 KLASS_NONE,
62 KLASS_GLOBAL, 38 KLASS_GLOBAL,
… …
104bool cfperl_invoke (event_type event, ...); 80bool cfperl_invoke (event_type event, ...);
105int cfperl_result_INT (int idx); 81int cfperl_result_INT (int idx);
106 82
107struct attachable_base 83struct attachable_base
108{ 84{
109 struct sv *self; 85 SV *self;
110 struct av *cb; // CF+ perl self and callback 86 AV *cb; // CF+ perl self and callback
111 const char *attach; // generic extension attachment information 87 const char *attach; // generic extension attachment information
112 88
113 void clear (); // called when free'ing objects 89 void clear (); // called when free'ing objects
114 void optimise (); // possibly save some memory by destroying unneeded data 90 void optimise (); // possibly save some memory by destroying unneeded data
115 void instantiate (data_type type, void *obj); 91 void instantiate (data_type type, void *obj);
… …
126// derive using the curiously recurring template pattern, to avoid 102// derive using the curiously recurring template pattern, to avoid
127// virtual method calls etc. 103// virtual method calls etc.
128template<class subclass> 104template<class subclass>
129struct attachable : attachable_base 105struct attachable : attachable_base
130{ 106{
131 static data_type get_dt ()
132 {
133 return subclass::get_dt ();
134 }
135
136 void instantiate () 107 void instantiate ()
137 { 108 {
138 if (attach) 109 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 110 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
140 } 111 }
141}; 112};
142 113
143struct object_freezethaw 114struct object_freezer : dynbuf
144{ 115{
145 struct av *av; 116 AV *av;
146};
147 117
148struct object_freezer : object_freezethaw 118 object_freezer ();
149{
150 struct sv *text;
151 void *filename;
152
153 object_freezer (const char *filename);
154 ~object_freezer (); 119 ~object_freezer ();
155 120
156 void put (attachable_base *ext); 121 void put (attachable_base *ext);
157 122
158 template<class subclass> 123 template<class subclass>
159 void put (attachable<subclass> *obj) 124 void put (attachable<subclass> *obj)
160 { 125 {
161 put ((attachable_base *)obj); 126 put ((attachable_base *)obj);
162 } 127 }
163 128
129 //TODO//temporary
130 void put (const char *k, const char *v)
131 {
132 add (k);
133
134 //if (v)
135 add (' '); //TODO//cf compatibility always add space
136 if (v)
137 add (v);
138
139 add ('\n');
140 }
141
142 //TODO//temporary
143 void put (const char *k, int v)
144 {
145 add (k);
146 add (' ');
147 add (sint32 (v));
148 add ('\n');
149 }
150
151 void put (keyword k, const char *v)
152 {
153 int klen = keyword_len [k];
154 int vlen = v ? strlen (v) : 0;
155
156 char *p = (char *)alloc (klen + 1 + vlen + 1);
157
158 memcpy (p, keyword_str [k], klen); p += klen;
159 *p++ = ' '; //TODO//cf compatibility always add space
160 memcpy (p, v, vlen); p += vlen;
161 *p = '\n';
162 }
163
164 void put (keyword k, double v)
165 {
166 char buf [128];
167
168 snprintf (buf, 128, "%.7g", v);
169
170 put (k, (const char *)buf);
171 }
172
173 void put_(keyword k, sint64 v)
174 {
175 add (keyword_str [k], keyword_len [k]);
176 add (' ');
177 add (v);
178 add ('\n');
179 }
180
181 void put_(keyword k, sint32 v)
182 {
183 add (keyword_str [k], keyword_len [k]);
184 add (' ');
185 add (v);
186 add ('\n');
187 }
188
189 void put (keyword kbeg, keyword kend, const char *v)
190 {
191 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
192
193 if (v)
194 {
195 add (v);
196 add ('\n');
197 }
198
199 add (keyword_str [kend], keyword_len [kend]); add ('\n');
200 }
201
202 void put (keyword k, float v) { put (k, (double)v); }
203 void put (keyword k, signed char v) { put_(k, (sint32)v); }
204 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
205 void put (keyword k, signed short v) { put_(k, (sint32)v); }
206 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
207 void put (keyword k, signed int v) { put_(k, (sint32)v); }
208 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
209 void put (keyword k, signed long v) { put_(k, (sint64)v); }
210 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
211 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
212 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
213
214 template<typename T>
215 void put (keyword k, T *v)
216 {
217 put (k, v ? (const char *)v->name : 0);
218 }
219
220 bool save (const char *filename);
221
164 operator bool () { return !!av; } 222 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}; 223};
185 224
186// compatibility support, should be removed when no longer needed 225// compatibility support, should be removed when no longer needed
187int fprintf (object_freezer &freezer, const char *format, ...); 226int fprintf (object_freezer &freezer, const char *format, ...);
188int fputs (const char *s, object_freezer &freezer); 227int fputs (const char *s, object_freezer &freezer);
189 228
229// a single key-value line from a file
230struct token {
231 keyword k;
232 const char *v;
233
234 token (keyword k, const char *v = 0) : k(k), v(v) { }
235};
236
237struct object_thawer
238{
239 AV *av;
240 FILE *fp;
241 char line[1024];
242
243 object_thawer (const char *filename = 0);
244 ~object_thawer ();
245
246 void get (data_type type, void *obj, attachable_base *ext, int oid);
247
248 template<class subclass>
249 void get (attachable<subclass> *obj, int oid)
250 {
251 if (av)
252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
253 }
254
255 token get_token ();
256
257 operator FILE *() { return fp; }
258};
259
190#endif 260#endif
191 261

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