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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.14 by root, Wed Aug 30 06:06:27 2006 UTC vs.
Revision 1.18 by root, Thu Aug 31 09:19:34 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
14#include "keyword.h"
15
16// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
17#undef localtime
18#undef srand48
19#undef drand48
20#undef srandom
21#undef readdir
22#undef getprotobyname
23#undef gethostbyname
24#undef ctime
25#undef strerror
26
27// perl bug #40256: perl does overwrite those with reentrant versions
28// but does not initialise their state structures.
29#undef random
30#undef crypt
10 31
11void cfperl_init (); 32void cfperl_init ();
33void cfperl_boot ();
12void cfperl_main (); 34void 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 35
35enum event_klass 36enum event_klass
36{ 37{
37 KLASS_NONE, 38 KLASS_NONE,
38 KLASS_GLOBAL, 39 KLASS_GLOBAL,
… …
80bool cfperl_invoke (event_type event, ...); 81bool cfperl_invoke (event_type event, ...);
81int cfperl_result_INT (int idx); 82int cfperl_result_INT (int idx);
82 83
83struct attachable_base 84struct attachable_base
84{ 85{
85 void *self, *cb; // CF+ perl self and callback 86 SV *self;
87 AV *cb; // CF+ perl self and callback
86 const char *attach; // generic extension attachment information 88 const char *attach; // generic extension attachment information
87 89
88 void clear (); // called when free'ing objects 90 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data 91 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj); 92 void instantiate (data_type type, void *obj);
91 93
92 void attachable_init () 94 void attachable_init ()
93 { 95 {
94 self = cb = 0; 96 self = 0;
97 cb = 0;
95 attach = 0; 98 attach = 0;
96 } 99 }
97}; 100};
98 101
99// objects attachable from perl (or any other extension) should include or 102// objects attachable from perl (or any other extension) should include or
100// derive using the curiously recurring template pattern, to avoid 103// derive using the curiously recurring template pattern, to avoid
101// virtual method calls etc. 104// virtual method calls etc.
102template<class subclass> 105template<class subclass>
103struct attachable : attachable_base 106struct attachable : attachable_base
104{ 107{
105 static data_type get_dt ()
106 {
107 return subclass::get_dt ();
108 }
109
110 void instantiate () 108 void instantiate ()
111 { 109 {
112 if (attach) 110 if (attach)
113 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); 111 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
114 } 112 }
115}; 113};
116 114
117struct object_freezethaw 115struct object_freezer
118{ 116{
119 void *av; 117 AV *av;
120 FILE *fp; 118 SV *text;
121 119
122 operator FILE *() { return fp; } 120 object_freezer ();
123};
124
125struct object_freezer : object_freezethaw
126{
127 void *filename;
128
129 object_freezer (const char *filename);
130 ~object_freezer (); 121 ~object_freezer ();
131 122
132 void put (attachable_base *ext); 123 void put (attachable_base *ext);
133 124
134 template<class subclass> 125 template<class subclass>
135 void put (attachable<subclass> *obj) 126 void put (attachable<subclass> *obj)
136 { 127 {
137 put ((attachable_base *)obj); 128 put ((attachable_base *)obj);
138 } 129 }
130
131 void put (keyword k);
132 void put (const char *v);
133 void put (int v);
134
135 template<typename value>
136 void put (keyword k, value v)
137 {
138 put (k);
139 put (v);
140 }
141
142 bool save (const char *filename);
143
144 operator bool () { return !!av; }
139}; 145};
140 146
141struct object_thawer : object_freezethaw 147// compatibility support, should be removed when no longer needed
148int fprintf (object_freezer &freezer, const char *format, ...);
149int fputs (const char *s, object_freezer &freezer);
150
151// a single key-value line from a file
152struct token {
153 keyword k;
154 const char *v;
155
156 token (keyword k, const char *v = 0) : k(k), v(v) { }
157};
158
159struct object_thawer
142{ 160{
161 AV *av;
162 FILE *fp;
163 char line[1024];
164
143 object_thawer (const char *filename = 0); 165 object_thawer (const char *filename = 0);
144 ~object_thawer (); 166 ~object_thawer ();
145 167
146 void get (data_type type, void *obj, attachable_base *ext, int oid); 168 void get (data_type type, void *obj, attachable_base *ext, int oid);
147 169
148 template<class subclass> 170 template<class subclass>
149 void get (attachable<subclass> *obj, int oid) 171 void get (attachable<subclass> *obj, int oid)
150 { 172 {
151 if (av) 173 if (av)
152 get (subclass::get_dt (), (subclass *)obj, obj, oid); 174 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
153 } 175 }
176
177 token get_token ();
178
179 operator FILE *() { return fp; }
154}; 180};
155 181
156#endif 182#endif
157 183

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