ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/cfperl.h
(Generate patch)

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.1 by root, Thu Aug 24 13:13:49 2006 UTC vs.
Revision 1.20 by root, Thu Aug 31 18:59:24 2006 UTC

1// 1//
2// cfperl.h perl interface 2// cfperl.h perl interface
3// 3//
4#ifndef CFPERL_H__
5#define CFPERL_H__
4 6
7#include <cstdio>
8
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
30
31void cfperl_init ();
32void cfperl_boot ();
5void cfperl_main (); 33void cfperl_main ();
34
35enum event_klass
36{
37 KLASS_NONE,
38 KLASS_GLOBAL,
39 KLASS_PLAYER,
40 KLASS_OBJECT,
41 KLASS_MAP,
42};
43
44enum event_type
45{
46# define def(klass,name) EVENT_ ## klass ## _ ## name,
47# include "eventinc.h"
48# undef def
49 NUM_EVENT_TYPES
50};
51
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
64
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66
67// all these return true when the normal event processing should be skipped (if any)
68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
75
76//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_INT(idx) RESULT(idx, INT)
79
80bool cfperl_invoke (event_type event, ...);
81int cfperl_result_INT (int idx);
82
83struct attachable_base
84{
85 SV *self;
86 AV *cb; // CF+ perl self and callback
87 const char *attach; // generic extension attachment information
88
89 void clear (); // called when free'ing objects
90 void optimise (); // possibly save some memory by destroying unneeded data
91 void instantiate (data_type type, void *obj);
92
93 void attachable_init ()
94 {
95 self = 0;
96 cb = 0;
97 attach = 0;
98 }
99};
100
101// objects attachable from perl (or any other extension) should include or
102// derive using the curiously recurring template pattern, to avoid
103// virtual method calls etc.
104template<class subclass>
105struct attachable : attachable_base
106{
107 void instantiate ()
108 {
109 if (attach)
110 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
111 }
112};
113
114struct object_freezer : dynbuf
115{
116 AV *av;
117
118 object_freezer ();
119 ~object_freezer ();
120
121 void put (attachable_base *ext);
122
123 template<class subclass>
124 void put (attachable<subclass> *obj)
125 {
126 put ((attachable_base *)obj);
127 }
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
222 operator bool () { return !!av; }
223};
224
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
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
260#endif
261

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines