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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.15 by root, Wed Aug 30 11:02:15 2006 UTC vs.
Revision 1.20 by root, Thu Aug 31 18:59:24 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 ();
32void cfperl_boot ();
12void cfperl_main (); 33void cfperl_main ();
13
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_AV, // perl-only av that needs to be flattened out
20 DT_INT,
21 DT_INT64,
22 DT_DOUBLE,
23 DT_STRING, // 0-terminated string
24 DT_DATA, // string + length
25 DT_OBJECT,
26 DT_MAP,
27 DT_PLAYER,
28 DT_ARCH,
29 DT_PARTY,
30 DT_REGION,
31
32 NUM_DATA_TYPES
33};
34 34
35enum event_klass 35enum event_klass
36{ 36{
37 KLASS_NONE, 37 KLASS_NONE,
38 KLASS_GLOBAL, 38 KLASS_GLOBAL,
… …
80bool cfperl_invoke (event_type event, ...); 80bool cfperl_invoke (event_type event, ...);
81int cfperl_result_INT (int idx); 81int cfperl_result_INT (int idx);
82 82
83struct attachable_base 83struct attachable_base
84{ 84{
85 void *self, *cb; // CF+ perl self and callback 85 SV *self;
86 AV *cb; // CF+ perl self and callback
86 const char *attach; // generic extension attachment information 87 const char *attach; // generic extension attachment information
87 88
88 void clear (); // called when free'ing objects 89 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 90 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj); 91 void instantiate (data_type type, void *obj);
91 92
92 void attachable_init () 93 void attachable_init ()
93 { 94 {
94 self = cb = 0; 95 self = 0;
96 cb = 0;
95 attach = 0; 97 attach = 0;
96 } 98 }
97}; 99};
98 100
99// objects attachable from perl (or any other extension) should include or 101// objects attachable from perl (or any other extension) should include or
100// derive using the curiously recurring template pattern, to avoid 102// derive using the curiously recurring template pattern, to avoid
101// virtual method calls etc. 103// virtual method calls etc.
102template<class subclass> 104template<class subclass>
103struct attachable : attachable_base 105struct attachable : attachable_base
104{ 106{
105 static data_type get_dt ()
106 {
107 return subclass::get_dt ();
108 }
109
110 void instantiate () 107 void instantiate ()
111 { 108 {
112 if (attach) 109 if (attach)
113 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 110 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
114 } 111 }
115}; 112};
116 113
117struct object_freezethaw 114struct object_freezer : dynbuf
118{ 115{
119 void *av; 116 AV *av;
120 FILE *fp;
121};
122 117
123struct object_freezer : object_freezethaw 118 object_freezer ();
124{
125 void *filename;
126
127 object_freezer (const char *filename);
128 ~object_freezer (); 119 ~object_freezer ();
129 120
130 void put (attachable_base *ext); 121 void put (attachable_base *ext);
131 122
132 template<class subclass> 123 template<class subclass>
133 void put (attachable<subclass> *obj) 124 void put (attachable<subclass> *obj)
134 { 125 {
135 put ((attachable_base *)obj); 126 put ((attachable_base *)obj);
136 } 127 }
137 128
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
138 operator bool () { return !!fp; } 222 operator bool () { return !!av; }
139}; 223};
140 224
141struct object_thawer : object_freezethaw 225// compatibility support, should be removed when no longer needed
226int fprintf (object_freezer &freezer, const char *format, ...);
227int fputs (const char *s, object_freezer &freezer);
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
142{ 238{
239 AV *av;
240 FILE *fp;
241 char line[1024];
242
143 object_thawer (const char *filename = 0); 243 object_thawer (const char *filename = 0);
144 ~object_thawer (); 244 ~object_thawer ();
145 245
146 void get (data_type type, void *obj, attachable_base *ext, int oid); 246 void get (data_type type, void *obj, attachable_base *ext, int oid);
147 247
148 template<class subclass> 248 template<class subclass>
149 void get (attachable<subclass> *obj, int oid) 249 void get (attachable<subclass> *obj, int oid)
150 { 250 {
151 if (av) 251 if (av)
152 get (subclass::get_dt (), (subclass *)obj, obj, oid); 252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
153 } 253 }
254
255 token get_token ();
154 256
155 operator FILE *() { return fp; } 257 operator FILE *() { return fp; }
156}; 258};
157 259
158int fprintf (object_freezer &freezer, const char *format, ...);
159int fputs (const char *s, object_freezer &freezer);
160
161#endif 260#endif
162 261

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