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 "KURL.h" 30 #include "PlatformString.h" 31 #include <windows.h> 32 #include <wtf/text/AtomicString.h> 33 34 #if USE(CF) 35 #include <CoreFoundation/CoreFoundation.h> 36 #endif 37 38 using namespace JSC; 39 40 namespace WebCore { 41 42 BString::BString() 43 : m_bstr(0) 44 { 45 } 46 47 BString::BString(const wchar_t* characters) 48 { 49 if (!characters) 50 m_bstr = 0; 51 else 52 m_bstr = SysAllocString(characters); 53 } 54 55 BString::BString(const wchar_t* characters, size_t length) 56 { 57 if (!characters) 58 m_bstr = 0; 59 else 60 m_bstr = SysAllocStringLen(characters, length); 61 } 62 63 BString::BString(const String& s) 64 { 65 if (s.isNull()) 66 m_bstr = 0; 67 else 68 m_bstr = SysAllocStringLen(s.characters(), s.length()); 69 } 70 71 BString::BString(const KURL& url) 72 { 73 if (url.isNull()) 74 m_bstr = 0; 75 else 76 m_bstr = SysAllocStringLen(url.string().characters(), url.string().length()); 77 } 78 79 BString::BString(const AtomicString& s) 80 { 81 if (s.isNull()) 82 m_bstr = 0; 83 else 84 m_bstr = SysAllocStringLen(s.characters(), s.length()); 85 } 86 87 BString::BString(const UString& s) 88 { 89 if (s.isNull()) 90 m_bstr = 0; 91 else 92 m_bstr = SysAllocStringLen(s.characters(), s.length()); 93 } 94 95 #if USE(CF) 96 BString::BString(CFStringRef cfstr) 97 : m_bstr(0) 98 { 99 if (!cfstr) 100 return; 101 102 const UniChar* uniChars = CFStringGetCharactersPtr(cfstr); 103 if (uniChars) { 104 m_bstr = SysAllocStringLen((LPCWSTR)uniChars, CFStringGetLength(cfstr)); 105 return; 106 } 107 108 CFIndex length = CFStringGetLength(cfstr); 109 m_bstr = SysAllocStringLen(0, length); 110 CFStringGetCharacters(cfstr, CFRangeMake(0, length), (UniChar*)m_bstr); 111 m_bstr[length] = 0; 112 } 113 #endif 114 115 BString::~BString() 116 { 117 SysFreeString(m_bstr); 118 } 119 120 BString::BString(const BString& other) 121 { 122 if (!other.m_bstr) 123 m_bstr = 0; 124 else 125 m_bstr = SysAllocString(other.m_bstr); 126 } 127 128 void BString::adoptBSTR(BSTR bstr) 129 { 130 if (m_bstr) 131 SysFreeString(m_bstr); 132 m_bstr = bstr; 133 } 134 135 BString& BString::operator=(const BString& other) 136 { 137 if (this != &other) 138 *this = other.m_bstr; 139 return *this; 140 } 141 142 BString& BString::operator=(const BSTR& other) 143 { 144 if (other != m_bstr) { 145 SysFreeString(m_bstr); 146 m_bstr = other ? SysAllocString(other) : 0; 147 } 148 149 return *this; 150 } 151 152 bool operator ==(const BString& a, const BString& b) 153 { 154 if (SysStringLen((BSTR)a) != SysStringLen((BSTR)b)) 155 return false; 156 if (!(BSTR)a && !(BSTR)b) 157 return true; 158 if (!(BSTR)a || !(BSTR)b) 159 return false; 160 return !wcscmp((BSTR)a, (BSTR)b); 161 } 162 163 bool operator !=(const BString& a, const BString& b) 164 { 165 return !(a==b); 166 } 167 168 bool operator ==(const BString& a, BSTR b) 169 { 170 if (SysStringLen((BSTR)a) != SysStringLen(b)) 171 return false; 172 if (!(BSTR)a && !b) 173 return true; 174 if (!(BSTR)a || !b) 175 return false; 176 return !wcscmp((BSTR)a, b); 177 } 178 179 bool operator !=(const BString& a, BSTR b) 180 { 181 return !(a==b); 182 } 183 184 bool operator ==(BSTR a, const BString& b) 185 { 186 if (SysStringLen(a) != SysStringLen((BSTR)b)) 187 return false; 188 if (!a && !(BSTR)b) 189 return true; 190 if (!a || !(BSTR)b) 191 return false; 192 return !wcscmp(a, (BSTR)b); 193 } 194 195 bool operator !=(BSTR a, const BString& b) 196 { 197 return !(a==b); 198 } 199 200 } 201