1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * |
5 | * |
6 | * Deliantra is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
7 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
8 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
9 | * (at your option) any later version. |
9 | * option) any later version. |
10 | * |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
15 | * |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
18 | * |
19 | * |
19 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | */ |
21 | */ |
21 | |
22 | |
22 | /* |
23 | /* |
… | |
… | |
30 | |
31 | |
31 | #include "global.h" |
32 | #include "global.h" |
32 | |
33 | |
33 | size_t shstr_alloc; |
34 | size_t shstr_alloc; |
34 | |
35 | |
35 | typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *>, true> HT; |
36 | typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *> > HT; |
36 | |
37 | |
37 | static HT ht; |
38 | static HT ht; |
38 | static int next_gc; |
39 | static int next_gc; |
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40 | |
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41 | #define NUM_INT 3 |
39 | |
42 | |
40 | static const char * |
43 | static const char * |
41 | makevec (const char *s) |
44 | makevec (const char *s) |
42 | { |
45 | { |
43 | int len = strlen (s); |
46 | int len = strlen (s); |
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47 | int alloc = sizeof (uint32_t) * NUM_INT + len + 1; |
44 | |
48 | |
45 | shstr_alloc += sizeof (int) * 2 + len + 1; |
49 | shstr_alloc += alloc; |
46 | const char *v = (const char *) (2 + (int *)g_slice_alloc (sizeof (int) * 2 + len + 1)); |
50 | char *v = (char *)g_slice_alloc (alloc); |
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51 | v += sizeof (uint32_t) * NUM_INT; |
47 | |
52 | |
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53 | shstr::hash (v) = strhsh (s); |
48 | shstr::length (v) = len; |
54 | shstr::length (v) = len; |
49 | shstr::refcnt (v) = 1; |
55 | shstr::refcnt (v) = 1; |
50 | |
56 | |
51 | memcpy ((char *) v, s, len + 1); |
57 | memcpy (v, s, len + 1); |
52 | |
58 | |
53 | return v; |
59 | return v; |
54 | } |
60 | } |
55 | |
61 | |
56 | static const char * |
62 | shstr_vec<sizeof "(null)"> shstr_tmp::nullvec = { STRHSH_NULL, 0, 0xffffffff, "(null)" }; |
57 | makenull () |
63 | |
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64 | bool |
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65 | shstr_tmp::contains (const char *substring) const |
58 | { |
66 | { |
59 | const char *s = makevec ("(null)"); |
67 | //TODO: this is supposed to check for comma-seperation... |
60 | shstr::length (s) = 0; |
68 | return s != null () |
61 | return s; |
69 | && substring |
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70 | && strstr (s, substring); |
62 | } |
71 | } |
63 | |
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64 | const char *shstr::null = makenull (); |
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65 | |
72 | |
66 | const char * |
73 | const char * |
67 | shstr::find (const char *s) |
74 | shstr::find (const char *s) |
68 | { |
75 | { |
69 | if (!s) |
76 | if (!s) |
… | |
… | |
76 | |
83 | |
77 | const char * |
84 | const char * |
78 | shstr::intern (const char *s) |
85 | shstr::intern (const char *s) |
79 | { |
86 | { |
80 | if (!s) |
87 | if (!s) |
81 | return null; |
88 | return null (); |
82 | |
89 | |
83 | if (const char *found = find (s)) |
90 | if (const char *found = find (s)) |
84 | { |
91 | { |
85 | ++refcnt (found); |
92 | ++refcnt (found); |
86 | return found; |
93 | return found; |
… | |
… | |
125 | const char *s = *o; |
132 | const char *s = *o; |
126 | |
133 | |
127 | ht.erase (o); |
134 | ht.erase (o); |
128 | |
135 | |
129 | //printf ("GC %4d %3d %d >%s<%d\n", (int)ht.size (), n, shstr::refcnt (s), s, shstr::length (s)); |
136 | //printf ("GC %4d %3d %d >%s<%d\n", (int)ht.size (), n, shstr::refcnt (s), s, shstr::length (s)); |
130 | shstr_alloc -= sizeof (int) * 2 + length (s) + 1; |
137 | int alloc = sizeof (uint32_t) * NUM_INT + length (s) + 1; |
131 | g_slice_free1 (sizeof (int) * 2 + length (s) + 1, -2 + (int *) s); |
138 | shstr_alloc -= alloc; |
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139 | g_slice_free1 (alloc, (void *)(s - sizeof (uint32_t) * NUM_INT)); |
132 | } |
140 | } |
133 | else |
141 | else |
134 | ++i; |
142 | ++i; |
135 | } |
143 | } |
136 | |
144 | |
137 | curpos = *i; |
145 | curpos = *i; |
138 | } |
146 | } |
139 | |
147 | |
140 | // declare these here to get correct initialisation order |
148 | // declare these here to get correct initialisation order |
141 | #define def(str) const shstr shstr_ ## str (# str); |
149 | #define def2(id,str) const shstr id (str); |
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150 | #define def(id) def2(shstr_ ## id, # id) |
142 | # include "shstrinc.h" |
151 | # include "shstrinc.h" |
143 | #undef def |
152 | #undef def |
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153 | #undef def2 |
144 | |
154 | |
145 | shstr skill_names[NUM_SKILLS]; |
155 | materialtype_t material_null; |
146 | |
156 | |
147 | //TODO: this should of course not be here |
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148 | |
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149 | /* buf_overflow() - we don't want to exceed the buffer size of |
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150 | * buf1 by adding on buf2! Returns true if overflow will occur. |
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151 | */ |
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152 | int |
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153 | buf_overflow (const char *buf1, const char *buf2, int bufsize) |
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154 | { |
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155 | int len1 = 0, len2 = 0; |
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156 | |
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157 | if (buf1) |
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158 | len1 = strlen (buf1); |
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159 | |
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160 | if (buf2) |
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161 | len2 = strlen (buf2); |
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162 | |
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163 | if ((len1 + len2) >= bufsize) |
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164 | return 1; |
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165 | |
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166 | return 0; |
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167 | } |
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