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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * Deliantra is free software: you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
11 | * option) any later version. |
12 | * |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 | * and the GNU General Public License along with this program. If not, see |
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|
20 | * <http://www.gnu.org/licenses/>. |
20 | * |
21 | * |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | #ifndef DYNBUF_H__ |
25 | #ifndef DYNBUF_H__ |
… | |
… | |
54 | chunk *first, *last; |
55 | chunk *first, *last; |
55 | |
56 | |
56 | void reserve (int size); |
57 | void reserve (int size); |
57 | void init (int initial); // allocate sinitial chunk |
58 | void init (int initial); // allocate sinitial chunk |
58 | void free (chunk *&chain); // free chain of chunks |
59 | void free (chunk *&chain); // free chain of chunks |
59 | char *_linearise (); |
60 | char *_linearise (int extra = 0); |
60 | void finalise (); |
61 | void finalise (); |
61 | |
62 | |
62 | public: |
63 | public: |
63 | |
64 | |
64 | // initial - the size of the initial chunk to be allocated |
65 | // initial - the size of the initial chunk to be allocated |
… | |
… | |
88 | return first->next ? _linearise () : first->data; |
89 | return first->next ? _linearise () : first->data; |
89 | } |
90 | } |
90 | |
91 | |
91 | int room () const { return end - ptr; } |
92 | int room () const { return end - ptr; } |
92 | |
93 | |
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94 | // make sure we have "size" extra room |
93 | char *force (int size) |
95 | char *force (int size) |
94 | { |
96 | { |
95 | if (expect_false (ptr + size >= end)) |
97 | if (expect_false (ptr + size >= end)) |
96 | reserve (size); |
98 | reserve (size); |
97 | |
99 | |
98 | return ptr; |
100 | return ptr; |
99 | } |
101 | } |
100 | |
102 | |
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103 | // allocate size bytes and return pointer to them (caller must force()) |
101 | char *falloc (int size) |
104 | char *falloc (int size) |
102 | { |
105 | { |
103 | char *res = ptr; |
106 | char *res = ptr; |
104 | ptr += size; |
107 | ptr += size; |
105 | return res; |
108 | return res; |
106 | } |
109 | } |
107 | |
110 | |
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|
111 | // allocate size bytes and return pointer to them |
108 | char *alloc (int size) |
112 | char *alloc (int size) |
109 | { |
113 | { |
110 | force (size); |
114 | force (size); |
111 | return falloc (size); |
115 | return falloc (size); |
112 | } |
116 | } |
… | |
… | |
136 | |
140 | |
137 | void add (shstr_tmp s) |
141 | void add (shstr_tmp s) |
138 | { |
142 | { |
139 | add (s.s, s.length ()); |
143 | add (s.s, s.length ()); |
140 | } |
144 | } |
|
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145 | |
|
|
146 | // rather inefficient |
|
|
147 | void splice (int offset, int olen, const char *s, int slen); |
|
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148 | void splice (int offset, int olen) { splice (offset, olen, "", 0); } |
141 | |
149 | |
142 | //TODO |
150 | //TODO |
143 | //void add_destructive (dynbuf &buf); |
151 | //void add_destructive (dynbuf &buf); |
144 | |
152 | |
145 | dynbuf &operator << (char c) { add (c); return *this; } |
153 | dynbuf &operator << (char c) { add (c); return *this; } |
… | |
… | |
173 | dynbuf_text &operator << (sint32 i) { add (sint32 (i)); return *this; } |
181 | dynbuf_text &operator << (sint32 i) { add (sint32 (i)); return *this; } |
174 | dynbuf_text &operator << (sint64 i) { add (sint64 (i)); return *this; } |
182 | dynbuf_text &operator << (sint64 i) { add (sint64 (i)); return *this; } |
175 | dynbuf_text &operator << (uint32 i) { add (sint64 (i)); return *this; } |
183 | dynbuf_text &operator << (uint32 i) { add (sint64 (i)); return *this; } |
176 | dynbuf_text &operator << (uint64 i) { add (sint64 (i)); return *this; } |
184 | dynbuf_text &operator << (uint64 i) { add (sint64 (i)); return *this; } |
177 | |
185 | |
178 | void printf (const char *format, ...); |
186 | void printf (const char *format, ...) attribute ((format (printf, 2, 3))); |
179 | void vprintf (const char *format, va_list ap); |
187 | void vprintf (const char *format, va_list ap); |
180 | |
188 | |
181 | void add_abilities (const char *name, uint32 abilities); |
189 | void add_abilities (const char *name, uint32 abilities); |
182 | void add_paths (const char *name, uint32 paths); |
190 | void add_paths (const char *name, uint32 paths); |
183 | |
191 | |
|
|
192 | // we need to redefine, to keep the API :/ |
|
|
193 | using dynbuf::splice; |
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194 | void splice (int offset, int olen, const char *s) |
|
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195 | { |
|
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196 | dynbuf::splice (offset, olen, s, strlen (s)); |
|
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197 | } |
|
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198 | |
184 | // returns the string, linearised and with trailing \0 |
199 | // returns the string, linearised and with trailing \0 |
185 | operator const char * (); |
200 | operator char *(); |
186 | }; |
201 | }; |
187 | |
202 | |
188 | #endif |
203 | #endif |
189 | |
204 | |