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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.2 by root, Thu Aug 24 17:29:30 2006 UTC vs.
Revision 1.19 by root, Thu Aug 31 17:54:14 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
7// could have used templates, but a more traditional C api 7#include <cstdio>
8// uses more explicit typing which is ok for this purpose. 8
9enum data_type { 9using namespace std;
10 DT_END, // no further arguments 10
11 DT_INT, 11#include <EXTERN.h>
12 DT_LONG, 12#include <perl.h>
13 DT_DOUBLE, 13
14 DT_STRING, // 0-terminated string 14// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15 DT_DATA, // string + length 15#undef localtime
16 DT_OBJECT, 16#undef srand48
17 DT_MAP, 17#undef drand48
18 DT_PLAYER, 18#undef srandom
19 DT_ARCH, 19#undef readdir
20 DT_PARTY, 20#undef getprotobyname
21 DT_REGION, 21#undef gethostbyname
22#undef ctime
23#undef strerror
24
25// perl bug #40256: perl does overwrite those with reentrant versions
26// but does not initialise their state structures.
27#undef random
28#undef crypt
29
30void cfperl_init ();
31void cfperl_boot ();
32void cfperl_main ();
33
34enum event_klass
35{
36 KLASS_NONE,
37 KLASS_GLOBAL,
38 KLASS_PLAYER,
39 KLASS_OBJECT,
40 KLASS_MAP,
22}; 41};
23 42
24enum event_type { 43enum event_type
25# define def(name) EV_ ## name, 44{
45# define def(klass,name) EVENT_ ## klass ## _ ## name,
26# include "eventinc.h" 46# include "eventinc.h"
27# undef def 47# undef def
48 NUM_EVENT_TYPES
28}; 49};
29 50
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
30#define DT_INT(v) DT_INT , (int)(v) 52#define ARG_INT(v) DT_INT , static_cast<int> (v)
31#define DT_LONG(v) DT_LONG , (long)(v) 53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
32#define DT_DOUBLE(v) DT_DOUBLE, (double)(v) 54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
33#define DT_STRING(v) DT_STRING, (char *)(v) 55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
34#define DT_DATA(s,l) DT_DATA , (void *)(s), (l) 56#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
35#define DT_OBJECT(o) DT_OBJECT, (object *)(o) 57#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
36#define DT_MAP(o) DT_MAP , (map *)(o) 58#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
37#define DT_PLAYER(o) DT_PLAYER, (player *)(o) 59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
38#define DT_ARCH(o) DT_ARCH , (archetype *)(o) 60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
39#define DT_PARTY(o) DT_PARTY , (party *)(o) 61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
40#define DT_REGION(o) DT_REGION, (region *)(o) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
41 63
42#define INVOKE(event, ...) cfperl_invoke ("cf::invoke" , EV_ # event, __VA_ARGS__, DT_END) 64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
43// should be called on all objects, should be optimised
44#define INVOKE_ON(object,event, ...) cfperl_invoke ("cf::invoke_on" , EV_ # event, DT_OBJECT(object), __VA_ARGS__, DT_END)
45 65
46int cfperl_invoke (const char *klass, event_type event, ...); 66// all these return true when the normal event processing should be skipped (if any)
67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
47 68
48void cfperl_main (); 69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
70#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
72#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
74
75//TODO should index into @result
76#define RESULT(idx,type) cfperl_result_ ## type (idx)
77#define RESULT_INT(idx) RESULT(idx, INT)
78
79bool cfperl_invoke (event_type event, ...);
80int cfperl_result_INT (int idx);
81
82struct attachable_base
83{
84 SV *self;
85 AV *cb; // CF+ perl self and callback
86 const char *attach; // generic extension attachment information
87
88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
91
92 void attachable_init ()
93 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 }
98};
99
100// objects attachable from perl (or any other extension) should include or
101// derive using the curiously recurring template pattern, to avoid
102// virtual method calls etc.
103template<class subclass>
104struct attachable : attachable_base
105{
106 void instantiate ()
107 {
108 if (attach)
109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
110 }
111};
112
113struct object_freezer : dynbuf
114{
115 AV *av;
116
117 object_freezer ();
118 ~object_freezer ();
119
120 void put (attachable_base *ext);
121
122 template<class subclass>
123 void put (attachable<subclass> *obj)
124 {
125 put ((attachable_base *)obj);
126 }
127
128 void put (const char *k, const char *v); //TODO//temporary
129 void put (const char *k, int v); //TODO//temporary
130
131 void put (keyword k, const char *v);
132 void put (keyword k, double v);
133 void put (keyword k, float v) { put (k, (double)v); }
134
135 void put_ (keyword k, sint32 v);
136 void put_ (keyword k, sint64 v);
137
138 void put (keyword k, signed char v) { put_(k, (sint32)v); }
139 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
140 void put (keyword k, signed short v) { put_(k, (sint32)v); }
141 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
142 void put (keyword k, signed int v) { put_(k, (sint32)v); }
143 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
144 void put (keyword k, signed long v) { put_(k, (sint64)v); }
145 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
146 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
147 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
148
149 void put (keyword kbeg, keyword kend, const char *v); // multiline
150
151 template<typename T>
152 void put (keyword k, T *v)
153 {
154 put (k, v ? (const char *)v->name : 0);
155 }
156
157 bool save (const char *filename);
158
159 operator bool () { return !!av; }
160};
161
162// compatibility support, should be removed when no longer needed
163int fprintf (object_freezer &freezer, const char *format, ...);
164int fputs (const char *s, object_freezer &freezer);
165
166// a single key-value line from a file
167struct token {
168 keyword k;
169 const char *v;
170
171 token (keyword k, const char *v = 0) : k(k), v(v) { }
172};
173
174struct object_thawer
175{
176 AV *av;
177 FILE *fp;
178 char line[1024];
179
180 object_thawer (const char *filename = 0);
181 ~object_thawer ();
182
183 void get (data_type type, void *obj, attachable_base *ext, int oid);
184
185 template<class subclass>
186 void get (attachable<subclass> *obj, int oid)
187 {
188 if (av)
189 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
190 }
191
192 token get_token ();
193
194 operator FILE *() { return fp; }
195};
49 196
50#endif 197#endif
198

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