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8 | |
8 | |
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> |
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13 | #include <XSUB.h> |
13 | |
14 | |
14 | #include "keyword.h" |
15 | #include <EventAPI.h> |
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16 | |
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17 | #include "callback.h" |
15 | |
18 | |
16 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
19 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
17 | #undef localtime |
20 | #undef localtime |
18 | #undef srand48 |
21 | #undef srand48 |
19 | #undef drand48 |
22 | #undef drand48 |
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22 | #undef getprotobyname |
25 | #undef getprotobyname |
23 | #undef gethostbyname |
26 | #undef gethostbyname |
24 | #undef ctime |
27 | #undef ctime |
25 | #undef strerror |
28 | #undef strerror |
26 | |
29 | |
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30 | // same here, massive symbol spamming |
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31 | #undef do_open |
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32 | #undef do_close |
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33 | |
27 | // perl bug #40256: perl does overwrite those with reentrant versions |
34 | // perl bug #40256: perl does overwrite those with reentrant versions |
28 | // but does not initialise their state structures. |
35 | // but does not initialise their state structures. |
29 | #undef random |
36 | #undef random |
30 | #undef crypt |
37 | #undef crypt |
31 | |
38 | |
32 | void cfperl_init (); |
39 | void cfperl_init (); |
33 | void cfperl_boot (); |
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34 | void cfperl_main (); |
40 | void cfperl_main (); |
35 | |
41 | |
36 | enum event_klass |
42 | enum event_klass |
37 | { |
43 | { |
38 | KLASS_NONE, |
44 | KLASS_NONE, |
39 | KLASS_GLOBAL, |
45 | KLASS_GLOBAL, |
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46 | KLASS_CLIENT, |
40 | KLASS_PLAYER, |
47 | KLASS_PLAYER, |
41 | KLASS_OBJECT, |
48 | KLASS_OBJECT, |
42 | KLASS_MAP, |
49 | KLASS_MAP, |
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50 | KLASS_COMMAND, |
43 | }; |
51 | }; |
44 | |
52 | |
45 | enum event_type |
53 | enum event_type |
46 | { |
54 | { |
47 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
55 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
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53 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
61 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
54 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
62 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
55 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
63 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
56 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
64 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
57 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
65 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
58 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
66 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
59 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
67 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) |
60 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
68 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) |
61 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
69 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) |
62 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
70 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) |
63 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
71 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) |
64 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
72 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) |
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73 | #define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast<client *> (o) |
65 | |
74 | |
66 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
75 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
67 | |
76 | |
68 | // all these return true when the normal event processing should be skipped (if any) |
77 | // all these return true when the normal event processing should be skipped (if any) |
69 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
78 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
70 | |
79 | |
71 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
80 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
72 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
81 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
73 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
82 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
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83 | #define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__) |
74 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
84 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
75 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
85 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
76 | |
86 | |
77 | //TODO should index into @result |
87 | //TODO should index into @result |
78 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
88 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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89 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
79 | #define RESULT_INT(idx) RESULT(idx, INT) |
90 | #define RESULT_INT(idx) RESULT(idx, INT) |
80 | |
91 | |
81 | bool cfperl_invoke (event_type event, ...); |
92 | bool cfperl_invoke (event_type event, ...); |
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93 | double cfperl_result_DOUBLE (int idx); |
82 | int cfperl_result_INT (int idx); |
94 | int cfperl_result_INT (int idx); |
83 | |
95 | |
84 | struct attachable_base |
96 | struct attachable_base |
85 | { |
97 | { |
86 | SV *self; |
98 | SV *self; // CF+ perl self |
87 | AV *cb; // CF+ perl self and callback |
99 | AV *cb; // CF+ callbacks |
88 | const char *attach; // generic extension attachment information |
100 | shstr attach; // generic extension attachment information |
89 | |
101 | |
90 | void clear (); // called when free'ing objects |
102 | void clear (); // called when free'ing objects |
91 | void optimise (); // possibly save some memory by destroying unneeded data |
103 | void optimise (); // possibly save some memory by destroying unneeded data |
92 | void instantiate (data_type type, void *obj); |
104 | void instantiate (data_type type, void *obj); |
93 | |
105 | |
94 | void attachable_init () |
106 | void attachable_clear () |
95 | { |
107 | { |
96 | self = 0; |
108 | self = 0; |
97 | cb = 0; |
109 | cb = 0; |
98 | attach = 0; |
110 | attach = 0; |
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111 | } |
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112 | |
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113 | attachable_base () |
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114 | { |
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115 | attachable_clear (); |
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116 | } |
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117 | |
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118 | ~attachable_base () |
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119 | { |
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120 | clear (); |
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121 | } |
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122 | |
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123 | attachable_base (const attachable_base &src) |
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124 | : self (0), cb (0), attach (src.attach) |
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125 | { |
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126 | } |
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127 | |
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128 | attachable_base &operator =(const attachable_base &src) |
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129 | { |
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130 | clear (); |
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131 | attach = src.attach; |
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132 | return *this; |
99 | } |
133 | } |
100 | }; |
134 | }; |
101 | |
135 | |
102 | // objects attachable from perl (or any other extension) should include or |
136 | // objects attachable from perl (or any other extension) should include or |
103 | // derive using the curiously recurring template pattern, to avoid |
137 | // derive using the curiously recurring template pattern, to avoid |
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110 | if (attach) |
144 | if (attach) |
111 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
145 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
112 | } |
146 | } |
113 | }; |
147 | }; |
114 | |
148 | |
115 | struct object_freezer |
149 | struct object_freezer : dynbuf |
116 | { |
150 | { |
117 | AV *av; |
151 | AV *av; |
118 | SV *text; |
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119 | |
152 | |
120 | object_freezer (); |
153 | object_freezer (); |
121 | ~object_freezer (); |
154 | ~object_freezer (); |
122 | |
155 | |
123 | void put (attachable_base *ext); |
156 | void put (attachable_base *ext); |
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126 | void put (attachable<subclass> *obj) |
159 | void put (attachable<subclass> *obj) |
127 | { |
160 | { |
128 | put ((attachable_base *)obj); |
161 | put ((attachable_base *)obj); |
129 | } |
162 | } |
130 | |
163 | |
131 | void put (keyword k); |
164 | // used only for user-defined key-value pairs |
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165 | void put (const shstr &k, const shstr &v) |
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166 | { |
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167 | add (k); |
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168 | |
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169 | if (v) |
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170 | add (' '), add (v); |
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171 | |
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172 | add ('\n'); |
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173 | } |
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174 | |
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175 | //TODO//temporary, used only for saving body locations |
132 | void put (const char *v); |
176 | void put (const char *k, int v) |
133 | void put (int v); |
177 | { |
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178 | add (k); |
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179 | add (' '); |
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180 | add (sint32 (v)); |
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181 | add ('\n'); |
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182 | } |
134 | |
183 | |
135 | template<typename value> |
184 | template<typename T> |
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185 | void put_string (keyword k, const T &v) |
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186 | { |
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187 | int klen = keyword_len [k]; |
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188 | int vlen = v ? strlen (v) + 1 : 0; |
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189 | |
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190 | char *p = (char *)alloc (klen + vlen + 1); |
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191 | |
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192 | memcpy (p, keyword_str [k], klen); p += klen; |
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193 | |
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194 | if (v) |
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195 | { |
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196 | *p++ = ' '; vlen--; |
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197 | memcpy (p, v, vlen); p += vlen; |
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198 | } |
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199 | |
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200 | *p = '\n'; |
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201 | } |
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202 | |
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203 | void put (keyword k, const char *v) |
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204 | { |
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205 | put_string (k, v); |
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206 | } |
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207 | |
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208 | void put (keyword k, const shstr &v) |
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209 | { |
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210 | put_string (k, v); |
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211 | } |
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212 | |
136 | void put (keyword k, value v) |
213 | void put (keyword k, double v) |
137 | { |
214 | { |
138 | put (k); |
215 | char buf [128]; |
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216 | |
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217 | snprintf (buf, 128, "%.7g", v); |
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218 | |
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219 | put (k, (const char *)buf); |
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220 | } |
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221 | |
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222 | void put_(keyword k, sint64 v) |
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223 | { |
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224 | add (keyword_str [k], keyword_len [k]); |
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225 | add (' '); |
139 | put (v); |
226 | add (v); |
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227 | add ('\n'); |
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228 | } |
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229 | |
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230 | void put_(keyword k, sint32 v) |
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231 | { |
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232 | add (keyword_str [k], keyword_len [k]); |
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233 | add (' '); |
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234 | add (v); |
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235 | add ('\n'); |
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236 | } |
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237 | |
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238 | void put (keyword kbeg, keyword kend, const shstr &v) |
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239 | { |
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240 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
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241 | |
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242 | if (v) |
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243 | { |
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244 | add (v); |
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245 | add ('\n'); |
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246 | } |
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247 | |
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248 | add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
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249 | } |
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250 | |
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251 | void put (keyword k, float v) { put (k, (double)v); } |
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252 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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253 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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254 | void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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255 | void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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256 | void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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257 | void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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258 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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259 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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260 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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261 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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262 | |
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263 | template<typename T> |
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264 | void put (keyword k, const T *v) |
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265 | { |
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266 | if (v) |
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267 | put (k, v->name); |
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268 | else |
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269 | put (k, (const char *)0); |
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270 | } |
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271 | |
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272 | template<typename T> |
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273 | void put (keyword k, const refptr<T> &v) |
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274 | { |
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275 | put (k, (T *)v); |
140 | } |
276 | } |
141 | |
277 | |
142 | bool save (const char *filename); |
278 | bool save (const char *filename); |
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279 | char *as_string (); // like strdup |
143 | |
280 | |
144 | operator bool () { return !!av; } |
281 | operator bool () { return !!av; } |
145 | }; |
282 | }; |
146 | |
283 | |
147 | // compatibility support, should be removed when no longer needed |
284 | // compatibility support, should be removed when no longer needed |
148 | int fprintf (object_freezer &freezer, const char *format, ...); |
285 | int fprintf (object_freezer &freezer, const char *format, ...); |
149 | int fputs (const char *s, object_freezer &freezer); |
286 | int fputs (const char *s, object_freezer &freezer); |
150 | |
287 | |
151 | // a single key-value line from a file |
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152 | struct token { |
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153 | keyword k; |
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154 | const char *v; |
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155 | |
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156 | token (keyword k, const char *v = 0) : k(k), v(v) { } |
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157 | }; |
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158 | |
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159 | struct object_thawer |
288 | struct object_thawer |
160 | { |
289 | { |
161 | AV *av; |
290 | SV *text; // text part |
162 | FILE *fp; |
291 | AV *av; // perl part |
163 | char line[1024]; |
292 | char *line; // current beginning of line |
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293 | char *last_value; |
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294 | |
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295 | operator bool () { return !!text; } |
164 | |
296 | |
165 | object_thawer (const char *filename = 0); |
297 | object_thawer (const char *filename = 0); |
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298 | object_thawer (const char *data, AV *perlav); |
166 | ~object_thawer (); |
299 | ~object_thawer (); |
167 | |
300 | |
168 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
301 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
169 | |
302 | |
170 | template<class subclass> |
303 | template<class subclass> |
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172 | { |
305 | { |
173 | if (av) |
306 | if (av) |
174 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
307 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
175 | } |
308 | } |
176 | |
309 | |
177 | token get_token (); |
310 | keyword get_kv (); // also parse value for later use |
178 | |
311 | |
179 | operator FILE *() { return fp; } |
312 | const char *get_str () { return last_value; } // may be 0 |
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313 | |
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314 | void get (shstr &sh) const; |
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315 | void get_ornull (shstr &sh) const { sh = last_value; } |
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316 | void get_ml (keyword kend, shstr &sh); |
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317 | |
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318 | sint32 get_sint32 () const; |
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319 | sint64 get_sint64 () const; |
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320 | double get_double () const; |
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321 | |
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322 | void get (float &v) { v = get_double (); } |
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323 | void get (double &v) { v = get_double (); } |
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324 | |
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325 | void get (sint8 &i) { i = get_sint32 (); } |
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326 | void get (uint8 &i) { i = get_sint32 (); } |
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327 | void get (sint16 &i) { i = get_sint32 (); } |
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328 | void get (uint16 &i) { i = get_sint32 (); } |
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329 | void get (sint32 &i) { i = get_sint32 (); } |
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330 | |
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331 | void get (uint32 &i) { i = get_sint64 (); } |
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332 | void get (sint64 &i) { i = get_sint64 (); } |
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333 | }; |
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334 | |
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335 | char *fgets (char *s, int n, object_thawer &thawer); |
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336 | |
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337 | struct watcher_base |
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338 | { |
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339 | static struct EventAPI *GEventAPI; |
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340 | }; |
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341 | |
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342 | template<class base> |
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343 | struct watcher : watcher_base |
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344 | { |
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345 | base *pe; |
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346 | |
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347 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
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348 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
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349 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
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350 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
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351 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
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352 | |
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353 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
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354 | |
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355 | ~watcher () |
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356 | { |
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357 | cancel (); |
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358 | } |
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359 | |
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360 | private: |
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361 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
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362 | }; |
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363 | |
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364 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
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365 | { |
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366 | template<class O, class M> |
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367 | iw (O object, M method) |
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368 | : callback<void (iw &)> (object, method) |
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369 | { |
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370 | alloc (); |
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371 | } |
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372 | |
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373 | private: |
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374 | void alloc (); |
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375 | }; |
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376 | |
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377 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
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378 | { |
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379 | template<class O, class M> |
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380 | iow (O object, M method) |
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381 | : callback<void (iow &, int)> (object, method) |
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382 | { |
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383 | alloc (); |
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384 | } |
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385 | |
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386 | void fd (int fd); |
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387 | int poll (); |
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388 | void poll (int events); |
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389 | |
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390 | private: |
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391 | void alloc (); |
180 | }; |
392 | }; |
181 | |
393 | |
182 | #endif |
394 | #endif |
183 | |
395 | |