1 //
2 // aegis - project change supervisor
3 // Copyright (C) 2004-2008 Peter Miller
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 3 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see
17 // <http://www.gnu.org/licenses/>.
18 //
19
20 #include <common/ac/string.h>
21
22 #include <common/mem.h>
23 #include <common/wstring.h>
24 #include <libaegis/collect.h>
25
26
~collect()27 collect::~collect()
28 {
29 delete [] buf;
30 }
31
32
collect()33 collect::collect() :
34 pos(0),
35 size(0),
36 buf(0)
37 {
38 }
39
40
collect(const collect & arg)41 collect::collect(const collect &arg) :
42 pos(0),
43 size(0),
44 buf(0)
45 {
46 append(arg.buf, arg.size);
47 }
48
49
50 collect &
operator =(const collect & arg)51 collect::operator=(const collect &arg)
52 {
53 if (this != &arg)
54 {
55 pos = 0;
56 append(arg.buf, arg.size);
57 }
58 return *this;
59 }
60
61
62 void
append(wchar_t c)63 collect::append(wchar_t c)
64 {
65 if (pos >= size)
66 {
67 size_t new_size = size * 2 + 8;
68 wchar_t *new_buf = new wchar_t[new_size];
69 if (pos)
70 memcpy(new_buf, buf, pos * sizeof(wchar_t));
71 delete [] buf;
72 size = new_size;
73 buf = new_buf;
74 }
75 buf[pos++] = c;
76 }
77
78
79 void
append(const wchar_t * s,size_t n)80 collect::append(const wchar_t *s, size_t n)
81 {
82 while (n > 0)
83 {
84 append(*s++);
85 --n;
86 }
87 }
88
89
90 void
push_back(const wstring & s)91 collect::push_back(const wstring &s)
92 {
93 append(s.c_str(), s.size());
94 }
95
96
97 wstring
end()98 collect::end()
99 {
100 wstring result(buf, pos);
101 pos = 0;
102 return result;
103 }
104