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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.8 by root, Sun Aug 27 16:15:12 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 34
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_INT,
20 DT_INT64,
21 DT_DOUBLE,
22 DT_STRING, // 0-terminated string
23 DT_DATA, // string + length
24 DT_OBJECT,
25 DT_MAP,
26 DT_PLAYER,
27 DT_ARCH,
28 DT_PARTY,
29 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31
32 NUM_DATA_TYPES
33};
34
35enum event_klass 35enum event_klass
36{ 36{
37 KLASS_NONE,
37 KLASS_GLOBAL, 38 KLASS_GLOBAL,
38 KLASS_PLAYER, 39 KLASS_PLAYER,
39 KLASS_OBJECT, 40 KLASS_OBJECT,
40 KLASS_MAP, 41 KLASS_MAP,
41}; 42};
… …
46# include "eventinc.h" 47# include "eventinc.h"
47# undef def 48# undef def
48 NUM_EVENT_TYPES 49 NUM_EVENT_TYPES
49}; 50};
50 51
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
51#define ARG_INT(v) DT_INT , static_cast<int> (v) 53#define ARG_INT(v) DT_INT , static_cast<int> (v)
52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
55#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
… …
61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
62 64
63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
64 66
65// all these return true when the normal event processing should be skipped (if any) 67// all these return true when the normal event processing should be skipped (if any)
66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) 68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
67 69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
70#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
71#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
72 75
73//TODO should index into @result 76//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx) 77#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT) 78#define RESULT_INT(idx) RESULT(idx, INT)
76 79
77bool cfperl_invoke (event_type event, ...); 80bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx); 81int cfperl_result_INT (int idx);
79 82
80struct extendable_base 83struct attachable_base
81{ 84{
82 void *self, *cb; // CF+ perl self and callback 85 SV *self;
86 AV *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information 87 const char *attach; // generic extension attachment information
84 88
85 void clear (); // called when free'ing objects 89 void clear (); // called when free'ing objects
86 void optimise (); // possibly save some memory by destroying unneeded data 90 void optimise (); // possibly save some memory by destroying unneeded data
91 void instantiate (data_type type, void *obj);
87 92
88 void extendable_init () 93 void attachable_init ()
89 { 94 {
90 self = cb = 0; 95 self = 0;
96 cb = 0;
91 attach = 0; 97 attach = 0;
92 } 98 }
93}; 99};
94 100
95// objects extendable from perl (or any other extension) should include or 101// objects attachable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid 102// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc. 103// virtual method calls etc.
98template<class subclass> 104template<class subclass>
99struct extendable : extendable_base 105struct attachable : attachable_base
100{ 106{
101 static data_type get_dt () 107 void instantiate ()
102 { 108 {
103 subclass::get_dt (); 109 if (attach)
110 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
104 } 111 }
105}; 112};
106 113
107struct object_freezer 114struct object_freezer : dynbuf
108{ 115{
109 const char *filename; 116 AV *av;
110 void *av;
111 int idx;
112 117
113 object_freezer (const char *filename); 118 object_freezer ();
114 ~object_freezer (); 119 ~object_freezer ();
115 120
116 void put (extendable_base *ext); 121 void put (attachable_base *ext);
117 122
118 template<class subclass> 123 template<class subclass>
119 void put (extendable<subclass> *obj) 124 void put (attachable<subclass> *obj)
120 { 125 {
121 put ((extendable_base *)obj); 126 put ((attachable_base *)obj);
122 } 127 }
123 128
124 void finish (); 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) { }
125}; 235};
126 236
127struct object_thawer 237struct object_thawer
128{ 238{
129 void *av; 239 AV *av;
130 int idx; 240 FILE *fp;
241 char line[1024];
131 242
132 object_thawer (const char *filename = 0); 243 object_thawer (const char *filename = 0);
133 ~object_thawer (); 244 ~object_thawer ();
134 245
135 void get (data_type type, void *obj, extendable_base *ext); 246 void get (data_type type, void *obj, attachable_base *ext, int oid);
136 247
137 template<class subclass> 248 template<class subclass>
138 void get (extendable<subclass> *obj) 249 void get (attachable<subclass> *obj, int oid)
139 { 250 {
140 if (av) 251 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj); 252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
142 } 253 }
143 254
144 void finish (); 255 token get_token ();
256
257 operator FILE *() { return fp; }
145}; 258};
146 259
147#endif 260#endif
148 261

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