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9 | using namespace std; |
9 | using namespace std; |
10 | |
10 | |
11 | #include <EXTERN.h> |
11 | #include <EXTERN.h> |
12 | #include <perl.h> |
12 | #include <perl.h> |
13 | #include <XSUB.h> |
13 | #include <XSUB.h> |
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14 | |
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15 | #include <EventAPI.h> |
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16 | #include <CoroAPI.h> |
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17 | |
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18 | #include "util.h" |
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19 | #include "keyword.h" |
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20 | #include "dynbuf.h" |
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21 | #include "callback.h" |
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22 | |
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23 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
14 | |
24 | |
15 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
25 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
16 | #undef localtime |
26 | #undef localtime |
17 | #undef srand48 |
27 | #undef srand48 |
18 | #undef drand48 |
28 | #undef drand48 |
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21 | #undef getprotobyname |
31 | #undef getprotobyname |
22 | #undef gethostbyname |
32 | #undef gethostbyname |
23 | #undef ctime |
33 | #undef ctime |
24 | #undef strerror |
34 | #undef strerror |
25 | |
35 | |
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36 | // same here, massive symbol spamming |
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37 | #undef do_open |
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38 | #undef do_close |
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39 | #undef ref |
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40 | |
26 | // perl bug #40256: perl does overwrite those with reentrant versions |
41 | // perl bug #40256: perl does overwrite those with reentrant versions |
27 | // but does not initialise their state structures. |
42 | // but does not initialise their state structures. |
28 | #undef random |
43 | #undef random |
29 | #undef crypt |
44 | #undef crypt |
30 | |
45 | |
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46 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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47 | |
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48 | // some macros to simplify perl in-calls |
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49 | |
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50 | #define CHECK_ERROR \ |
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51 | if (SvTRUE (ERRSV)) \ |
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52 | LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
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53 | |
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54 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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55 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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56 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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57 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
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58 | #define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
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59 | |
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60 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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61 | |
31 | void cfperl_init (); |
62 | void cfperl_init (); |
32 | void cfperl_main (); |
63 | void cfperl_main (); |
33 | |
64 | |
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65 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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66 | |
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67 | // virtual server time, excluding time jumps and lag |
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68 | extern double runtime; |
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69 | |
34 | enum event_klass |
70 | enum event_klass |
35 | { |
71 | { |
36 | KLASS_NONE, |
72 | KLASS_NONE, |
37 | KLASS_GLOBAL, |
73 | KLASS_GLOBAL, |
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74 | KLASS_ATTACHABLE, |
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75 | KLASS_CLIENT, |
38 | KLASS_PLAYER, |
76 | KLASS_PLAYER, |
39 | KLASS_OBJECT, |
77 | KLASS_OBJECT, |
40 | KLASS_MAP, |
78 | KLASS_MAP, |
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79 | KLASS_COMMAND, |
41 | }; |
80 | }; |
42 | |
81 | |
43 | enum event_type |
82 | enum event_type |
44 | { |
83 | { |
45 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
84 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
46 | # include "eventinc.h" |
85 | # include "eventinc.h" |
47 | # undef def |
86 | # undef def |
48 | NUM_EVENT_TYPES |
87 | NUM_EVENT_TYPES |
49 | }; |
88 | }; |
50 | |
89 | |
51 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
90 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
52 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
91 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
53 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
92 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
54 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
93 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
55 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
94 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
56 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
95 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
57 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
96 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
58 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
97 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
59 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
98 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
60 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
99 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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100 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
61 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
101 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
62 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
102 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
63 | |
103 | |
64 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
104 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
65 | |
105 | |
66 | // all these return true when the normal event processing should be skipped (if any) |
106 | // 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) |
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68 | |
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69 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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70 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
107 | #define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) |
71 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
108 | #define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) |
72 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
109 | #define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) |
73 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
110 | #define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) |
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111 | #define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) |
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112 | #define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) |
74 | |
113 | |
75 | //TODO should index into @result |
114 | //TODO should index into @result |
76 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
115 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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116 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
77 | #define RESULT_INT(idx) RESULT(idx, INT) |
117 | #define RESULT_INT(idx) RESULT(idx, INT) |
78 | |
118 | |
79 | bool cfperl_invoke (event_type event, ...); |
119 | double cfperl_result_DOUBLE (int idx); |
80 | int cfperl_result_INT (int idx); |
120 | int cfperl_result_INT (int idx); |
81 | |
121 | |
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122 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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123 | |
82 | struct attachable_base |
124 | struct attachable |
83 | { |
125 | { |
84 | SV *self; |
126 | static MGVTBL vtbl; |
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127 | |
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128 | static unordered_vector<attachable *> mortals; |
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129 | static void check_mortals (); |
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130 | |
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131 | enum { |
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132 | F_DESTROYED = 0x01, |
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133 | F_BORROWED = 0x02, |
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134 | }; |
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135 | |
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136 | // object is delete'd after the refcount reaches 0 |
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137 | mutable int refcnt; |
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138 | int flags; |
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139 | |
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140 | void refcnt_inc () const { ++refcnt; } |
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141 | void refcnt_dec () const { --refcnt; } |
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142 | |
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143 | // check wether the object has died and destroy |
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144 | void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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145 | |
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146 | // destroy the object unless it was already destroyed |
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147 | // this politely asks everybody interested the reduce |
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148 | // the refcount to 0 as soon as possible. |
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149 | void destroy (); |
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150 | |
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151 | // return wether an object was destroyed already |
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152 | bool destroyed () const { return flags & F_DESTROYED; } |
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153 | |
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154 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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155 | |
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156 | #if 0 |
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157 | private: |
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158 | static refcounted *rc_first; |
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159 | refcounted *rc_next; |
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160 | #endif |
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161 | |
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162 | HV *self; // CF+ perl self |
85 | AV *cb; // CF+ perl self and callback |
163 | AV *cb; // CF+ callbacks |
86 | shstr attach; // generic extension attachment information |
164 | shstr attach; // generic extension attachment information |
87 | |
165 | |
88 | void clear (); // called when free'ing objects |
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89 | void optimise (); // possibly save some memory by destroying unneeded data |
166 | void optimise (); // possibly save some memory by destroying unneeded data |
90 | void instantiate (data_type type, void *obj); |
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91 | |
167 | |
92 | void attachable_init () |
168 | attachable () |
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169 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
93 | { |
170 | { |
94 | self = 0; |
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95 | cb = 0; |
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96 | attach = 0; |
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97 | } |
171 | } |
98 | }; |
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99 | |
172 | |
100 | // objects attachable from perl (or any other extension) should include or |
173 | attachable (const attachable &src) |
101 | // derive using the curiously recurring template pattern, to avoid |
174 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
102 | // virtual method calls etc. |
175 | { |
103 | template<class subclass> |
176 | } |
104 | struct attachable : attachable_base |
177 | |
105 | { |
178 | virtual ~attachable (); |
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179 | |
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180 | attachable &operator =(const attachable &src); |
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181 | |
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182 | bool invoke (event_type event, ...); |
106 | void instantiate () |
183 | void instantiate (); |
107 | { |
184 | void reattach (); |
108 | if (attach) |
185 | |
109 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
186 | protected: |
110 | } |
187 | // do the real refcount checking work |
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188 | void do_check (); |
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189 | |
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190 | // the method that does the real destroy work |
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191 | virtual void do_destroy (); |
111 | }; |
192 | }; |
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193 | |
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194 | // the global object is a pseudo object that cares for the global events |
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195 | struct global : attachable |
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196 | { |
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197 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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198 | }; |
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199 | |
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200 | extern struct global gbl_ev; |
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201 | |
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202 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
112 | |
203 | |
113 | struct object_freezer : dynbuf |
204 | struct object_freezer : dynbuf |
114 | { |
205 | { |
115 | AV *av; |
206 | AV *av; |
116 | |
207 | |
117 | object_freezer (); |
208 | object_freezer (); |
118 | ~object_freezer (); |
209 | ~object_freezer (); |
119 | |
210 | |
120 | void put (attachable_base *ext); |
211 | void put (attachable *ext); |
121 | |
212 | |
122 | template<class subclass> |
213 | // used only for user-defined key-value pairs |
123 | void put (attachable<subclass> *obj) |
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124 | { |
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125 | put ((attachable_base *)obj); |
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126 | } |
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127 | |
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128 | //TODO//temporary |
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129 | void put (const char *k, const char *v) |
214 | void put (const shstr &k, const shstr &v) |
130 | { |
215 | { |
131 | add (k); |
216 | add (k); |
132 | |
217 | |
133 | //if (v) |
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134 | add (' '); //TODO//cf compatibility always add space |
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135 | if (v) |
218 | if (v) |
136 | add (v); |
219 | add (' '), add (v); |
137 | |
220 | |
138 | add ('\n'); |
221 | add ('\n'); |
139 | } |
222 | } |
140 | |
223 | |
141 | //TODO//temporary |
224 | //TODO//temporary, used only for saving body locations |
142 | void put (const char *k, int v) |
225 | void put (const char *k, int v) |
143 | { |
226 | { |
144 | add (k); |
227 | add (k); |
145 | add (' '); |
228 | add (' '); |
146 | add (sint32 (v)); |
229 | add (sint32 (v)); |
147 | add ('\n'); |
230 | add ('\n'); |
148 | } |
231 | } |
149 | |
232 | |
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233 | template<typename T> |
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234 | void put_string (keyword k, const T &v) |
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235 | { |
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236 | int klen = keyword_len [k]; |
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237 | int vlen = v ? strlen (v) + 1 : 0; |
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238 | |
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239 | char *p = (char *)alloc (klen + vlen + 1); |
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240 | |
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241 | memcpy (p, keyword_str [k], klen); p += klen; |
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242 | |
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243 | if (v) |
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244 | { |
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245 | *p++ = ' '; vlen--; |
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246 | memcpy (p, v, vlen); p += vlen; |
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247 | } |
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248 | |
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249 | *p = '\n'; |
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250 | } |
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251 | |
150 | void put (keyword k, const char *v) |
252 | void put (keyword k, const char *v) |
151 | { |
253 | { |
152 | int klen = keyword_len [k]; |
254 | put_string (k, v); |
153 | int vlen = v ? strlen (v) : 0; |
255 | } |
154 | |
256 | |
155 | char *p = (char *)alloc (klen + 1 + vlen + 1); |
257 | void put (keyword k, const shstr &v) |
156 | |
258 | { |
157 | memcpy (p, keyword_str [k], klen); p += klen; |
259 | put_string (k, v); |
158 | *p++ = ' '; //TODO//cf compatibility always add space |
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159 | memcpy (p, v, vlen); p += vlen; |
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160 | *p = '\n'; |
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161 | } |
260 | } |
162 | |
261 | |
163 | void put (keyword k, double v) |
262 | void put (keyword k, double v) |
164 | { |
263 | { |
165 | char buf [128]; |
264 | char buf [128]; |
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183 | add (' '); |
282 | add (' '); |
184 | add (v); |
283 | add (v); |
185 | add ('\n'); |
284 | add ('\n'); |
186 | } |
285 | } |
187 | |
286 | |
188 | void put (keyword kbeg, keyword kend, const char *v) |
287 | void put (keyword kbeg, keyword kend, const shstr &v) |
189 | { |
288 | { |
190 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
289 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
191 | |
290 | |
192 | if (v) |
291 | if (v) |
193 | { |
292 | { |
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209 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
308 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
210 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
309 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
211 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
310 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
212 | |
311 | |
213 | template<typename T> |
312 | template<typename T> |
214 | void put (keyword k, T *v) |
313 | void put (keyword k, const T *v) |
215 | { |
314 | { |
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315 | if (v) |
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316 | put (k, v->name); |
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317 | else |
216 | put (k, v ? (const char *)v->name : 0); |
318 | put (k, (const char *)0); |
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319 | } |
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320 | |
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321 | template<typename T> |
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322 | void put (keyword k, const refptr<T> &v) |
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323 | { |
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324 | put (k, (T *)v); |
217 | } |
325 | } |
218 | |
326 | |
219 | bool save (const char *filename); |
327 | bool save (const char *filename); |
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328 | char *as_string (); // like strdup |
220 | |
329 | |
221 | operator bool () { return !!av; } |
330 | operator bool () { return !!av; } |
222 | }; |
331 | }; |
223 | |
332 | |
224 | // compatibility support, should be removed when no longer needed |
333 | // compatibility support, should be removed when no longer needed |
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228 | struct object_thawer |
337 | struct object_thawer |
229 | { |
338 | { |
230 | SV *text; // text part |
339 | SV *text; // text part |
231 | AV *av; // perl part |
340 | AV *av; // perl part |
232 | char *line; // current beginning of line |
341 | char *line; // current beginning of line |
233 | char *last_value; |
342 | char *last_keyword, *last_value; |
234 | |
343 | |
235 | operator bool () { return !!text; } |
344 | operator bool () { return !!text; } |
236 | |
345 | |
237 | object_thawer (const char *filename = 0); |
346 | object_thawer (const char *filename = 0); |
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347 | object_thawer (const char *data, AV *perlav); |
238 | ~object_thawer (); |
348 | ~object_thawer (); |
239 | |
349 | |
240 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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241 | |
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242 | template<class subclass> |
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243 | void get (attachable<subclass> *obj, int oid) |
350 | void get (attachable *obj, int oid); |
244 | { |
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245 | if (av) |
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246 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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247 | } |
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248 | |
351 | |
249 | keyword get_kv (); // also parse value for later use |
352 | keyword get_kv (); // also parse value for later use |
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353 | void skip_kv (keyword kw); |
250 | |
354 | |
251 | const char *get_str () { return last_value; } // may be 0 |
355 | const char *get_str () { return last_value; } // may be 0 |
252 | |
356 | |
253 | void get (shstr &sh) const; |
357 | void get (shstr &sh) const; |
254 | void get_ornull (shstr &sh) const { sh = last_value; } |
358 | void get_ornull (shstr &sh) const { sh = last_value; } |
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256 | |
360 | |
257 | sint32 get_sint32 () const; |
361 | sint32 get_sint32 () const; |
258 | sint64 get_sint64 () const; |
362 | sint64 get_sint64 () const; |
259 | double get_double () const; |
363 | double get_double () const; |
260 | |
364 | |
261 | void get (float &v) { v = get_double (); } |
365 | void get (float &v) { v = get_double (); } |
262 | void get (double &v) { v = get_double (); } |
366 | void get (double &v) { v = get_double (); } |
263 | |
367 | |
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368 | void get (bool &i) { i = get_sint32 (); } |
264 | void get (sint8 &i) { i = get_sint32 (); } |
369 | void get (sint8 &i) { i = get_sint32 (); } |
265 | void get (uint8 &i) { i = get_sint32 (); } |
370 | void get (uint8 &i) { i = get_sint32 (); } |
266 | void get (sint16 &i) { i = get_sint32 (); } |
371 | void get (sint16 &i) { i = get_sint32 (); } |
267 | void get (uint16 &i) { i = get_sint32 (); } |
372 | void get (uint16 &i) { i = get_sint32 (); } |
268 | void get (sint32 &i) { i = get_sint32 (); } |
373 | void get (sint32 &i) { i = get_sint32 (); } |
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271 | void get (sint64 &i) { i = get_sint64 (); } |
376 | void get (sint64 &i) { i = get_sint64 (); } |
272 | }; |
377 | }; |
273 | |
378 | |
274 | char *fgets (char *s, int n, object_thawer &thawer); |
379 | char *fgets (char *s, int n, object_thawer &thawer); |
275 | |
380 | |
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381 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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382 | |
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383 | struct coroapi { |
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384 | static struct CoroAPI *GCoroAPI; |
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385 | |
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386 | static int nready () { return CORO_NREADY; } |
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387 | static int cede () { return CORO_CEDE ; } |
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388 | }; |
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389 | |
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390 | struct watcher_base |
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391 | { |
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392 | static struct EventAPI *GEventAPI; |
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393 | }; |
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394 | |
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395 | template<class base> |
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396 | struct watcher : watcher_base |
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397 | { |
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398 | base *pe; |
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399 | |
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400 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
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401 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
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402 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
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403 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
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404 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
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405 | |
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406 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
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407 | |
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408 | ~watcher () |
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409 | { |
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410 | cancel (); |
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411 | } |
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412 | |
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413 | private: |
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414 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
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415 | }; |
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416 | |
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417 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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418 | { |
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419 | template<class O, class M> |
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420 | iw (O object, M method) |
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421 | : callback<void (iw &)> (object, method) |
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422 | { |
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423 | alloc (); |
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424 | } |
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425 | |
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426 | private: |
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427 | void alloc (); |
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428 | }; |
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429 | |
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430 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
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431 | { |
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432 | template<class O, class M> |
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433 | iow (O object, M method) |
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434 | : callback<void (iow &, int)> (object, method) |
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435 | { |
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436 | alloc (); |
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437 | } |
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438 | |
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439 | void fd (int fd); |
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440 | int poll (); |
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441 | void poll (int events); |
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442 | |
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443 | private: |
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444 | void alloc (); |
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445 | }; |
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446 | |
276 | #endif |
447 | #endif |
277 | |
448 | |