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1 /* | |
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #include "config.h" | |
27 #include "BString.h" | |
28 | |
29 #include "AtomicString.h" | |
30 #include "KURL.h" | |
31 #include "PlatformString.h" | |
32 #include <comdef.h> | |
33 #include <tchar.h> | |
34 #include <windows.h> | |
35 | |
36 #if PLATFORM(CF) | |
37 #include <CoreFoundation/CoreFoundation.h> | |
38 #endif | |
39 | |
40 using namespace KJS; | |
41 | |
42 namespace WebCore { | |
43 | |
44 BString::BString() | |
45 : m_bstr(0) | |
46 { | |
47 } | |
48 | |
49 BString::BString(const wchar_t* characters) | |
50 { | |
51 if (!characters) | |
52 m_bstr = 0; | |
53 else | |
54 m_bstr = SysAllocString(characters); | |
55 } | |
56 | |
57 BString::BString(const wchar_t* characters, size_t length) | |
58 { | |
59 if (!characters) | |
60 m_bstr = 0; | |
61 else | |
62 m_bstr = SysAllocStringLen(characters, length); | |
63 } | |
64 | |
65 BString::BString(const String& s) | |
66 { | |
67 if (s.isNull()) | |
68 m_bstr = 0; | |
69 else | |
70 m_bstr = SysAllocStringLen(s.characters(), s.length()); | |
71 } | |
72 | |
73 BString::BString(const KURL& url) | |
74 { | |
75 if (url.isNull()) | |
76 m_bstr = 0; | |
77 else | |
78 m_bstr = SysAllocStringLen(url.string().characters(), url.string().lengt
h()); | |
79 } | |
80 | |
81 BString::BString(const AtomicString& s) | |
82 { | |
83 if (s.isNull()) | |
84 m_bstr = 0; | |
85 else | |
86 m_bstr = SysAllocStringLen(s.characters(), s.length()); | |
87 } | |
88 | |
89 #if PLATFORM(CF) | |
90 BString::BString(CFStringRef cfstr) | |
91 : m_bstr(0) | |
92 { | |
93 if (!cfstr) | |
94 return; | |
95 | |
96 const UniChar* uniChars = CFStringGetCharactersPtr(cfstr); | |
97 if (uniChars) { | |
98 m_bstr = SysAllocStringLen((LPCTSTR)uniChars, CFStringGetLength(cfstr)); | |
99 return; | |
100 } | |
101 | |
102 CFIndex length = CFStringGetLength(cfstr); | |
103 m_bstr = SysAllocStringLen(0, length); | |
104 CFStringGetCharacters(cfstr, CFRangeMake(0, length), (UniChar*)m_bstr); | |
105 m_bstr[length] = 0; | |
106 } | |
107 #endif | |
108 | |
109 BString::~BString() | |
110 { | |
111 SysFreeString(m_bstr); | |
112 } | |
113 | |
114 BString::BString(const BString& other) | |
115 { | |
116 if (!other.m_bstr) | |
117 m_bstr = 0; | |
118 else | |
119 m_bstr = SysAllocString(other.m_bstr); | |
120 } | |
121 | |
122 void BString::adoptBSTR(BSTR bstr) | |
123 { | |
124 if (m_bstr) | |
125 SysFreeString(m_bstr); | |
126 m_bstr = bstr; | |
127 } | |
128 | |
129 BString& BString::operator=(const BString& other) | |
130 { | |
131 if (this != &other) | |
132 *this = other.m_bstr; | |
133 return *this; | |
134 } | |
135 | |
136 BString& BString::operator=(const BSTR& other) | |
137 { | |
138 if (other != m_bstr) { | |
139 SysFreeString(m_bstr); | |
140 m_bstr = other ? SysAllocString(other) : 0; | |
141 } | |
142 | |
143 return *this; | |
144 } | |
145 | |
146 bool operator ==(const BString& a, const BString& b) | |
147 { | |
148 if (SysStringLen((BSTR)a) != SysStringLen((BSTR)b)) | |
149 return false; | |
150 if (!(BSTR)a && !(BSTR)b) | |
151 return true; | |
152 if (!(BSTR)a || !(BSTR)b) | |
153 return false; | |
154 return !_tcscmp((BSTR)a, (BSTR)b); | |
155 } | |
156 | |
157 bool operator !=(const BString& a, const BString& b) | |
158 { | |
159 return !(a==b); | |
160 } | |
161 | |
162 bool operator ==(const BString& a, BSTR b) | |
163 { | |
164 if (SysStringLen((BSTR)a) != SysStringLen(b)) | |
165 return false; | |
166 if (!(BSTR)a && !b) | |
167 return true; | |
168 if (!(BSTR)a || !b) | |
169 return false; | |
170 return !_tcscmp((BSTR)a, b); | |
171 } | |
172 | |
173 bool operator !=(const BString& a, BSTR b) | |
174 { | |
175 return !(a==b); | |
176 } | |
177 | |
178 bool operator ==(BSTR a, const BString& b) | |
179 { | |
180 if (SysStringLen(a) != SysStringLen((BSTR)b)) | |
181 return false; | |
182 if (!a && !(BSTR)b) | |
183 return true; | |
184 if (!a || !(BSTR)b) | |
185 return false; | |
186 return !_tcscmp(a, (BSTR)b); | |
187 } | |
188 | |
189 bool operator !=(BSTR a, const BString& b) | |
190 { | |
191 return !(a==b); | |
192 } | |
193 | |
194 } | |
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