1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "titanic/true_talk/tt_string.h"
#include "titanic/support/simple_file.h"
namespace Titanic {
TTstring::TTstring() : _status(SS_VALID) {
_data = new TTstringData();
}
TTstring::TTstring(const char *str) : _status(SS_VALID) {
_data = new TTstringData(str);
}
TTstring::TTstring(const CString &str) {
_status = SS_VALID;
_data = new TTstringData(str);
}
TTstring::TTstring(const TTstring &str) {
if (str._status != SS_VALID) {
_status = SS_5;
_data = nullptr;
} else {
_status = SS_VALID;
_data = str._data;
_data->_referenceCount++;
}
}
TTstring::~TTstring() {
if (_data && --_data->_referenceCount == 0)
delete _data;
}
void TTstring::operator=(const TTstring &str) {
// Delete old string reference, if any
if (_data && --_data->_referenceCount == 0)
delete _data;
// Copy source string data
_status = str._status;
_data = str._data;
if (_data)
_data->_referenceCount++;
}
void TTstring::operator=(const CString &str) {
operator=(str.c_str());
}
void TTstring::operator=(const char *str) {
// Delete old string reference, if any
if (_data && --_data->_referenceCount == 0)
delete _data;
// Create new string data
_data = new TTstringData(str);
_status = SS_VALID;
}
TTstring &TTstring::operator+=(const char *str) {
_data->_string += str;
return *this;
}
TTstring &TTstring::operator+=(const TTstring &str) {
_data->_string += str;
return *this;
}
TTstring &TTstring::operator+=(char c) {
_data->_string += c;
return *this;
}
bool TTstring::operator==(const TTstring &str) const {
return _data && str._data && _data->_string == str._data->_string;
}
bool TTstring::operator==(const char *str) const {
return _data && _data->_string == str;
}
void TTstring::save(SimpleFile *file) const {
file->writeFormat("%s", c_str());
}
TTstring TTstring::tokenize(const char *delim) {
const char *strP = _data->_string.c_str();
const char *splitP = nullptr, *chP;
for (const char *d = delim; *d; ++d) {
chP = strchr(strP, *d);
if (chP && (splitP == nullptr || chP < splitP))
splitP = chP;
}
if (splitP) {
TTstring result(CString(strP, splitP));
_data->_string = CString(splitP + 1);
return result;
} else {
TTstring result(strP);
_data->_string = CString();
return result;
}
}
int TTstring::deletePrefix(int count) {
int strSize = size();
if (count > strSize)
count = strSize;
if (_data->_referenceCount == 1) {
// No other references to this string, so we can just directly modify it
_data->_string = CString(_data->_string.c_str() + count);
} else {
// Detach string from current shared data, and create a new one with the substring
_data->_referenceCount--;
_data = new TTstringData(_data->_string.c_str() + count);
}
return 1;
}
int TTstring::deleteSuffix(int count) {
int strSize = size();
if (count > strSize)
count = strSize;
CString newStr(_data->_string.c_str(), _data->_string.c_str() + strSize - count);
if (_data->_referenceCount == 1) {
// No other references to this string, so we can just directly modify it
_data->_string = newStr;
} else {
// Detach string from current shared data, and create a new one with the substring
_data->_referenceCount--;
_data = new TTstringData(newStr);
}
return 1;
}
} // End of namespace Titanic
|
