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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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