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1 | /* |
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2 | * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
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3 | * |
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4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
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5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
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8 | * Crossfire TRT is free software; you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License as published by the Free |
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10 | * Software Foundation; either version 2 of the License, or (at your option) |
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11 | * any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, but |
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14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 | * for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License along |
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19 | * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
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20 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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21 | * |
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22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
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23 | */ |
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24 | |
1 | // |
25 | // |
2 | // cfperl.h perl interface |
26 | // cfperl.h perl interface |
3 | // |
27 | // |
4 | #ifndef CFPERL_H__ |
28 | #ifndef CFPERL_H__ |
5 | #define CFPERL_H__ |
29 | #define CFPERL_H__ |
6 | |
30 | |
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31 | #include <cstdarg> |
7 | #include <cstdio> |
32 | #include <cstdio> |
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33 | #include <bitset> |
8 | |
34 | |
9 | using namespace std; |
35 | using namespace std; |
10 | |
36 | |
11 | #include <EXTERN.h> |
37 | #include <EXTERN.h> |
12 | #include <perl.h> |
38 | #include <perl.h> |
13 | #include <XSUB.h> |
39 | #include <XSUB.h> |
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40 | |
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41 | #include <EventAPI.h> |
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42 | #include <CoroAPI.h> |
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43 | |
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44 | #include "util.h" |
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45 | #include "keyword.h" |
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46 | #include "dynbuf.h" |
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47 | #include "callback.h" |
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48 | |
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49 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
14 | |
50 | |
15 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
51 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
16 | #undef localtime |
52 | #undef localtime |
17 | #undef srand48 |
53 | #undef srand48 |
18 | #undef drand48 |
54 | #undef drand48 |
… | |
… | |
21 | #undef getprotobyname |
57 | #undef getprotobyname |
22 | #undef gethostbyname |
58 | #undef gethostbyname |
23 | #undef ctime |
59 | #undef ctime |
24 | #undef strerror |
60 | #undef strerror |
25 | |
61 | |
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62 | // same here, massive symbol spamming |
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63 | #undef do_open |
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64 | #undef do_close |
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65 | #undef ref |
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66 | #undef seed |
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67 | |
26 | // perl bug #40256: perl does overwrite those with reentrant versions |
68 | // perl bug #40256: perl does overwrite those with reentrant versions |
27 | // but does not initialise their state structures. |
69 | // but does not initialise their state structures. |
28 | #undef random |
70 | #undef random |
29 | #undef crypt |
71 | #undef crypt |
30 | |
72 | |
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73 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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74 | |
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75 | // some macros to simplify perl in-calls |
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76 | |
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77 | #define CHECK_ERROR \ |
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78 | if (SvTRUE (ERRSV)) \ |
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79 | LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
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80 | |
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81 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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82 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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83 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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84 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
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85 | #define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
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86 | |
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87 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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88 | |
31 | void cfperl_init (); |
89 | void cfperl_init (); |
32 | void cfperl_main (); |
90 | void cfperl_main (); |
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91 | void cfperl_emergency_save (); |
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92 | void cfperl_cleanup (int make_core); |
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93 | void cfperl_make_book (object *book, int level); |
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94 | |
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95 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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96 | |
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97 | extern tstamp runtime; // virtual server time, excluding time jumps and lag |
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98 | extern tstamp NOW; // real time of current server tick |
33 | |
99 | |
34 | enum event_klass |
100 | enum event_klass |
35 | { |
101 | { |
36 | KLASS_NONE, |
102 | KLASS_NONE, |
37 | KLASS_GLOBAL, |
103 | KLASS_GLOBAL, |
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104 | KLASS_ATTACHABLE, |
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105 | KLASS_CLIENT, |
38 | KLASS_PLAYER, |
106 | KLASS_PLAYER, |
39 | KLASS_OBJECT, |
107 | KLASS_OBJECT, |
40 | KLASS_MAP, |
108 | KLASS_MAP, |
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109 | KLASS_COMMAND, |
41 | }; |
110 | }; |
42 | |
111 | |
43 | enum event_type |
112 | enum event_type |
44 | { |
113 | { |
45 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
114 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
46 | # include "eventinc.h" |
115 | # include "eventinc.h" |
47 | # undef def |
116 | # undef def |
48 | NUM_EVENT_TYPES |
117 | NUM_EVENT_TYPES |
49 | }; |
118 | }; |
50 | |
119 | |
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120 | // in which global events or per-type events are we interested |
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121 | extern bitset<NUM_EVENT_TYPES> ev_want_event; |
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122 | extern bitset<NUM_TYPES> ev_want_type; |
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123 | |
51 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
124 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
52 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
125 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
53 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
126 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
54 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
127 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
55 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
128 | #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) |
129 | #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) |
130 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
58 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
131 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
59 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
132 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
60 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
133 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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134 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
61 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
135 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
62 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
136 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
63 | |
137 | |
64 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
138 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
65 | |
139 | #define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
66 | // all these return true when the normal event processing should be skipped (if any) |
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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__) |
140 | #define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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141 | #define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
71 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
142 | #define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
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143 | #define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
72 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
144 | #define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
73 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
145 | #define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
74 | |
146 | |
75 | //TODO should index into @result |
147 | //TODO should index into @result |
76 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
148 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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149 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
77 | #define RESULT_INT(idx) RESULT(idx, INT) |
150 | #define RESULT_INT(idx) RESULT(idx, INT) |
78 | |
151 | |
79 | bool cfperl_invoke (event_type event, ...); |
152 | double cfperl_result_DOUBLE (int idx); |
80 | int cfperl_result_INT (int idx); |
153 | int cfperl_result_INT (int idx); |
81 | |
154 | |
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155 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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156 | |
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157 | INTERFACE_CLASS (attachable) |
82 | struct attachable_base |
158 | struct attachable |
83 | { |
159 | { |
84 | SV *self; |
160 | static MGVTBL vtbl; |
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161 | |
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162 | static unordered_vector<attachable *> mortals; |
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163 | MTH static void check_mortals (); |
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164 | |
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165 | enum { |
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166 | F_DESTROYED = 0x01, |
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167 | F_DEBUG_TRACE = 0x02, |
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168 | }; |
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169 | |
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170 | // object is delete'd after the refcount reaches 0 |
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171 | int ACC (RW, flags); |
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172 | mutable int ACC (RW, refcnt); |
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173 | |
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174 | MTH void refcnt_inc () const { ++refcnt; } |
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175 | MTH void refcnt_dec () const { --refcnt; } |
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176 | |
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177 | MTH int refcnt_cnt () const; |
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178 | // check wether the object has died and destroy |
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179 | MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
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180 | |
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181 | // destroy the object unless it was already destroyed |
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182 | // this politely asks everybody interested the reduce |
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183 | // the refcount to 0 as soon as possible. |
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184 | MTH void destroy (); |
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185 | |
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186 | // return wether an object was destroyed already |
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187 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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188 | |
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189 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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190 | |
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191 | #if 0 |
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192 | private: |
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193 | static refcounted *rc_first; |
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194 | refcounted *rc_next; |
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195 | #endif |
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196 | |
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197 | HV *self; // CF+ perl self |
85 | AV *cb; // CF+ perl self and callback |
198 | AV *cb; // CF+ callbacks |
86 | shstr attach; // generic extension attachment information |
199 | shstr attach; // generic extension attachment information |
87 | |
200 | |
88 | void clear (); // called when free'ing objects |
201 | void sever_self (); // sever this object from its self, if it has one. |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
202 | void optimise (); // possibly save some memory by destroying unneeded data |
90 | void instantiate (data_type type, void *obj); |
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91 | |
203 | |
92 | void attachable_clear () |
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93 | { |
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94 | self = 0; |
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95 | cb = 0; |
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96 | attach = 0; |
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97 | } |
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98 | |
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99 | attachable_base () |
204 | attachable () |
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205 | : flags (0), refcnt (0), self (0), cb (0), attach (0) |
100 | { |
206 | { |
101 | attachable_clear (); |
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102 | } |
207 | } |
103 | |
208 | |
104 | ~attachable_base () |
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105 | { |
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106 | clear (); |
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107 | } |
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108 | |
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109 | attachable_base (const attachable_base &src) |
209 | attachable (const attachable &src) |
110 | : self (0), cb (0), attach (src.attach) |
210 | : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
111 | { |
211 | { |
112 | } |
212 | } |
113 | |
213 | |
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214 | virtual ~attachable (); |
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215 | |
114 | attachable_base &operator = (const attachable_base &src) |
216 | attachable &operator =(const attachable &src); |
115 | { |
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116 | clear (); |
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117 | attach = src.attach; |
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118 | return *this; |
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119 | } |
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120 | }; |
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121 | |
217 | |
122 | // objects attachable from perl (or any other extension) should include or |
218 | // used to _quickly_ device wether to shortcut the evaluation |
123 | // derive using the curiously recurring template pattern, to avoid |
219 | bool should_invoke (event_type event) |
124 | // virtual method calls etc. |
220 | { |
125 | template<class subclass> |
221 | return ev_want_event [event] || cb; |
126 | struct attachable : attachable_base |
222 | } |
127 | { |
223 | |
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224 | bool invoke (event_type event, ...); |
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225 | |
128 | void instantiate () |
226 | MTH void instantiate (); |
129 | { |
227 | void reattach (); |
130 | if (attach) |
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131 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
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132 | } |
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133 | }; |
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134 | |
228 | |
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229 | protected: |
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230 | // do the real refcount checking work |
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231 | void do_check (); |
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232 | |
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233 | // the method that does the real destroy work |
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234 | virtual void do_destroy (); |
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235 | }; |
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236 | |
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237 | // the global object is a pseudo object that cares for the global events |
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238 | struct global : attachable |
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239 | { |
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240 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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241 | }; |
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242 | |
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243 | extern struct global gbl_ev; |
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244 | |
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245 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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246 | |
135 | struct object_freezer : dynbuf |
247 | struct object_freezer : dynbuf_text |
136 | { |
248 | { |
137 | AV *av; |
249 | AV *av; |
138 | |
250 | |
139 | object_freezer (); |
251 | object_freezer (); |
140 | ~object_freezer (); |
252 | ~object_freezer (); |
141 | |
253 | |
142 | void put (attachable_base *ext); |
254 | void put (attachable *ext); |
143 | |
255 | |
144 | template<class subclass> |
256 | // used only for user-defined key-value pairs |
145 | void put (attachable<subclass> *obj) |
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146 | { |
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147 | put ((attachable_base *)obj); |
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148 | } |
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149 | |
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150 | //TODO//temporary |
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151 | void put (const char *k, const char *v) |
257 | void put (const shstr &k, const shstr &v) |
152 | { |
258 | { |
153 | add (k); |
259 | add (k); |
154 | |
260 | |
155 | if (v) |
261 | if (expect_true (v)) |
156 | add (' '), add (v); |
262 | add (' '), add (v); |
157 | |
263 | |
158 | add ('\n'); |
264 | add ('\n'); |
159 | } |
265 | } |
160 | |
266 | |
161 | //TODO//temporary |
267 | template<typename T> |
162 | void put (const char *k, int v) |
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163 | { |
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164 | add (k); |
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165 | add (' '); |
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166 | add (sint32 (v)); |
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167 | add ('\n'); |
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168 | } |
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169 | |
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170 | #if 1 |
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171 | void put (keyword k, const char *v) |
268 | void put_kw_string (keyword k, const T &v) |
172 | { |
269 | { |
173 | int klen = keyword_len [k]; |
270 | int klen = keyword_len [k]; |
174 | int vlen = v ? strlen (v) + 1 : 0; |
271 | int vlen = v ? strlen (v) + 1 : 0; |
175 | |
272 | |
176 | char *p = (char *)alloc (klen + vlen + 1); |
273 | char *p = (char *)alloc (klen + vlen + 1); |
177 | |
274 | |
178 | memcpy (p, keyword_str [k], klen); p += klen; |
275 | memcpy (p, keyword_str [k], klen); p += klen; |
179 | |
276 | |
180 | if (v) |
277 | if (expect_true (v)) |
181 | { |
278 | { |
182 | *p++ = ' '; vlen--; //TODO//cf compatibility always add space |
279 | *p++ = ' '; vlen--; |
183 | memcpy (p, v, vlen); p += vlen; |
280 | memcpy (p, v, vlen); p += vlen; |
184 | } |
281 | } |
185 | |
282 | |
186 | *p = '\n'; |
283 | *p = '\n'; |
187 | } |
284 | } |
188 | #endif |
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189 | |
285 | |
190 | #if 0 |
286 | void put (keyword k, const char *v = 0) |
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287 | { |
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288 | put_kw_string (k, v); |
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289 | } |
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290 | |
191 | void put (keyword k, const shstr &v) |
291 | void put (keyword k, const shstr &v) |
192 | { |
292 | { |
193 | int klen = keyword_len [k]; |
293 | put_kw_string (k, v); |
194 | int vlen = v ? v.length () + 1 : 0; |
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195 | |
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196 | char *p = (char *)alloc (klen + vlen + 1); |
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197 | |
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198 | memcpy (p, keyword_str [k], klen); p += klen; |
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199 | |
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200 | if (v) |
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201 | { |
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202 | *p++ = ' '; vlen--; //TODO//cf compatibility always add space |
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203 | memcpy (p, v, vlen); p += vlen; |
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204 | } |
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205 | |
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206 | *p = '\n'; |
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207 | } |
294 | } |
208 | #endif |
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209 | |
295 | |
210 | void put (keyword k, double v) |
296 | void put (keyword k, double v) |
211 | { |
297 | { |
212 | char buf [128]; |
298 | force (MAX_KEYWORD_LEN + 2 + 32); |
213 | |
299 | fadd (keyword_str [k], keyword_len [k]); |
214 | snprintf (buf, 128, "%.7g", v); |
300 | fadd (' '); |
215 | |
301 | falloc (sprintf (ptr, "%.7g", v)); |
216 | put (k, (const char *)buf); |
302 | fadd ('\n'); |
217 | } |
303 | } |
218 | |
304 | |
219 | void put_(keyword k, sint64 v) |
305 | void put_(keyword k, sint64 v) |
220 | { |
306 | { |
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307 | force (MAX_KEYWORD_LEN + 2 + sint64_digits); |
221 | add (keyword_str [k], keyword_len [k]); |
308 | fadd (keyword_str [k], keyword_len [k]); |
222 | add (' '); |
309 | fadd (' '); |
223 | add (v); |
310 | add (v); |
224 | add ('\n'); |
311 | fadd ('\n'); |
225 | } |
312 | } |
226 | |
313 | |
227 | void put_(keyword k, sint32 v) |
314 | void put_(keyword k, sint32 v) |
228 | { |
315 | { |
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316 | force (MAX_KEYWORD_LEN + 2 + sint32_digits); |
229 | add (keyword_str [k], keyword_len [k]); |
317 | fadd (keyword_str [k], keyword_len [k]); |
230 | add (' '); |
318 | fadd (' '); |
231 | add (v); |
319 | add (v); |
232 | add ('\n'); |
320 | fadd ('\n'); |
233 | } |
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234 | |
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235 | void put (keyword kbeg, keyword kend, const shstr &v) |
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236 | { |
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237 | add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
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238 | |
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239 | if (v) |
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240 | { |
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241 | add (v); |
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242 | add ('\n'); |
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243 | } |
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244 | |
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245 | add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
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246 | } |
321 | } |
247 | |
322 | |
248 | void put (keyword k, float v) { put (k, (double)v); } |
323 | void put (keyword k, float v) { put (k, (double)v); } |
249 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
324 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
250 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
325 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
… | |
… | |
255 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
330 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
256 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
331 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
257 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
332 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
258 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
333 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
259 | |
334 | |
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335 | void put (keyword kbeg, keyword kend, const shstr &v) |
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336 | { |
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337 | force (MAX_KEYWORD_LEN + 1); |
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338 | fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); |
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339 | |
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340 | if (expect_true (v)) |
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341 | { |
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342 | add (v); |
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343 | add ('\n'); |
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344 | } |
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345 | |
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346 | force (MAX_KEYWORD_LEN + 1); |
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347 | fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); |
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348 | } |
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349 | |
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350 | void put (keyword k, archetype *v); |
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351 | void put (keyword k, treasurelist *v); |
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352 | void put (keyword k, faceinfo *v); |
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353 | |
260 | template<typename T> |
354 | template<typename T> |
261 | void put (keyword k, T *v) |
355 | void put (keyword k, const refptr<T> &v) |
262 | { |
356 | { |
263 | if (v) |
357 | put (k, (T *)v); |
264 | put (k, v->name); |
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265 | else |
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266 | put (k, (const char *)0); |
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267 | } |
358 | } |
268 | |
359 | |
269 | bool save (const char *filename); |
360 | bool save (const char *path); |
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361 | char *as_string (); // like strdup |
270 | |
362 | |
271 | operator bool () { return !!av; } |
363 | operator bool () { return !!av; } |
272 | }; |
364 | }; |
273 | |
365 | |
274 | // compatibility support, should be removed when no longer needed |
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275 | int fprintf (object_freezer &freezer, const char *format, ...); |
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276 | int fputs (const char *s, object_freezer &freezer); |
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277 | |
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278 | struct object_thawer |
366 | struct object_thawer |
279 | { |
367 | { |
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368 | char *line; // current beginning of line |
280 | SV *text; // text part |
369 | SV *text; // text part |
281 | AV *av; // perl part |
370 | AV *av; // perl part |
282 | char *line; // current beginning of line |
371 | int linenum; |
283 | char *last_value; |
372 | keyword kw; |
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373 | char *kw_str; // the keyword parsed, as string |
|
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374 | char *value; // the value, or 0 if no value |
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375 | char *value_nn; // the value, or the empty string if no value |
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376 | const char *name; |
284 | |
377 | |
285 | operator bool () { return !!text; } |
378 | operator bool () { return !!text; } |
286 | |
379 | |
287 | object_thawer (const char *filename = 0); |
380 | object_thawer (const char *path = 0); |
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381 | object_thawer (const char *data, AV *perlav); |
288 | ~object_thawer (); |
382 | ~object_thawer (); |
289 | |
383 | |
290 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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291 | |
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292 | template<class subclass> |
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293 | void get (attachable<subclass> *obj, int oid) |
384 | void get (attachable *obj, int oid); |
294 | { |
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295 | if (av) |
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296 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
|
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297 | } |
|
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298 | |
385 | |
299 | keyword get_kv (); // also parse value for later use |
386 | // parse next line |
|
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387 | void next (); |
|
|
388 | // skip the current key-value (usually fetch next line, for |
|
|
389 | // multiline-fields, skips till the corresponding end-kw |
|
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390 | void skip (); |
300 | |
391 | |
301 | const char *get_str () { return last_value; } // may be 0 |
392 | char *get_str () { return value; } // may be 0 |
302 | |
|
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303 | void get (shstr &sh) const; |
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304 | void get_ornull (shstr &sh) const { sh = last_value; } |
|
|
305 | void get_ml (keyword kend, shstr &sh); |
393 | void get_ml (keyword kend, shstr &sh); |
306 | |
394 | |
|
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395 | void get_ornull (shstr &sh) const { sh = value; } |
|
|
396 | void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
|
|
397 | |
|
|
398 | bool get_bool () const { return *value_nn == '1'; } |
307 | sint32 get_sint32 () const; |
399 | sint32 get_sint32 () const; |
308 | sint64 get_sint64 () const; |
400 | sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); } |
309 | double get_double () const; |
401 | double get_double () const { return strtod (value_nn, 0); } |
310 | |
402 | |
311 | void get (float &v) { v = get_double (); } |
403 | void get (float &v) { v = get_double (); } |
312 | void get (double &v) { v = get_double (); } |
404 | void get (double &v) { v = get_double (); } |
313 | |
405 | |
|
|
406 | void get (bool &i) { i = get_bool (); } |
314 | void get (sint8 &i) { i = get_sint32 (); } |
407 | void get (sint8 &i) { i = get_sint32 (); } |
315 | void get (uint8 &i) { i = get_sint32 (); } |
408 | void get (uint8 &i) { i = get_sint32 (); } |
316 | void get (sint16 &i) { i = get_sint32 (); } |
409 | void get (sint16 &i) { i = get_sint32 (); } |
317 | void get (uint16 &i) { i = get_sint32 (); } |
410 | void get (uint16 &i) { i = get_sint32 (); } |
318 | void get (sint32 &i) { i = get_sint32 (); } |
411 | void get (sint32 &i) { i = get_sint32 (); } |
319 | |
412 | |
320 | void get (uint32 &i) { i = get_sint64 (); } |
413 | void get (uint32 &i) { i = get_sint64 (); } |
321 | void get (sint64 &i) { i = get_sint64 (); } |
414 | void get (sint64 &i) { i = get_sint64 (); } |
322 | }; |
|
|
323 | |
415 | |
|
|
416 | bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
|
|
417 | }; |
|
|
418 | |
|
|
419 | //TODO: remove |
324 | char *fgets (char *s, int n, object_thawer &thawer); |
420 | char *fgets (char *s, int n, object_thawer &thawer); |
325 | |
421 | |
|
|
422 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
|
423 | |
|
|
424 | struct coroapi { |
|
|
425 | static struct CoroAPI *GCoroAPI; |
|
|
426 | |
|
|
427 | static int nready () { return CORO_NREADY; } |
|
|
428 | static int cede () { return CORO_CEDE ; } |
|
|
429 | |
|
|
430 | static tstamp next_cede; |
|
|
431 | static int cede_counter; |
|
|
432 | |
|
|
433 | static void do_cede_every (); |
|
|
434 | static void do_cede_to_tick (); |
|
|
435 | static void do_cede_to_tick_every (); |
|
|
436 | |
|
|
437 | static void cede_every (int count) |
|
|
438 | { |
|
|
439 | if (expect_false (++cede_counter >= count)) |
|
|
440 | do_cede_every (); |
|
|
441 | } |
|
|
442 | |
|
|
443 | static bool cede_to_tick () |
|
|
444 | { |
|
|
445 | if (expect_true (now () < next_cede)) |
|
|
446 | return false; |
|
|
447 | |
|
|
448 | do_cede_to_tick (); |
|
|
449 | return true; |
|
|
450 | } |
|
|
451 | |
|
|
452 | static bool cede_to_tick_every (int count) |
|
|
453 | { |
|
|
454 | if (expect_true (++cede_counter < count)) |
|
|
455 | return false; |
|
|
456 | |
|
|
457 | return cede_to_tick (); |
|
|
458 | } |
|
|
459 | |
|
|
460 | static void wait_for_tick (); |
|
|
461 | static void wait_for_tick_begin (); |
|
|
462 | }; |
|
|
463 | |
|
|
464 | struct watcher_base |
|
|
465 | { |
|
|
466 | static struct EventAPI *GEventAPI; |
|
|
467 | }; |
|
|
468 | |
|
|
469 | template<class base> |
|
|
470 | struct watcher : watcher_base |
|
|
471 | { |
|
|
472 | base *pe; |
|
|
473 | |
|
|
474 | void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
|
|
475 | void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
|
|
476 | void now () { GEventAPI->now ((pe_watcher *)pe); } |
|
|
477 | void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
|
|
478 | void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
|
|
479 | |
|
|
480 | void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
|
|
481 | |
|
|
482 | ~watcher () |
|
|
483 | { |
|
|
484 | cancel (); |
|
|
485 | } |
|
|
486 | |
|
|
487 | private: |
|
|
488 | void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
|
|
489 | }; |
|
|
490 | |
|
|
491 | struct iw : watcher<pe_idle>, callback<void (iw &)> |
|
|
492 | { |
|
|
493 | template<class O, class M> |
|
|
494 | iw (O object, M method) |
|
|
495 | : callback<void (iw &)> (object, method) |
|
|
496 | { |
|
|
497 | alloc (); |
|
|
498 | } |
|
|
499 | |
|
|
500 | private: |
|
|
501 | void alloc (); |
|
|
502 | }; |
|
|
503 | |
|
|
504 | struct iow : watcher<pe_io>, callback<void (iow &, int)> |
|
|
505 | { |
|
|
506 | template<class O, class M> |
|
|
507 | iow (O object, M method) |
|
|
508 | : callback<void (iow &, int)> (object, method) |
|
|
509 | { |
|
|
510 | alloc (); |
|
|
511 | } |
|
|
512 | |
|
|
513 | void fd (int fd); |
|
|
514 | int poll (); |
|
|
515 | void poll (int events); |
|
|
516 | |
|
|
517 | private: |
|
|
518 | void alloc (); |
|
|
519 | }; |
|
|
520 | |
326 | #endif |
521 | #endif |
327 | |
522 | |