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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 "KURL.h" | |
| 30 #include <windows.h> | |
| 31 #include <wtf/text/AtomicString.h> | |
| 32 #include <wtf/text/WTFString.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().lengt
h()); | |
| 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 #if USE(CF) | |
| 88 BString::BString(CFStringRef cfstr) | |
| 89 : m_bstr(0) | |
| 90 { | |
| 91 if (!cfstr) | |
| 92 return; | |
| 93 | |
| 94 const UniChar* uniChars = CFStringGetCharactersPtr(cfstr); | |
| 95 if (uniChars) { | |
| 96 m_bstr = SysAllocStringLen((LPCWSTR)uniChars, CFStringGetLength(cfstr)); | |
| 97 return; | |
| 98 } | |
| 99 | |
| 100 CFIndex length = CFStringGetLength(cfstr); | |
| 101 m_bstr = SysAllocStringLen(0, length); | |
| 102 CFStringGetCharacters(cfstr, CFRangeMake(0, length), (UniChar*)m_bstr); | |
| 103 m_bstr[length] = 0; | |
| 104 } | |
| 105 #endif | |
| 106 | |
| 107 BString::~BString() | |
| 108 { | |
| 109 SysFreeString(m_bstr); | |
| 110 } | |
| 111 | |
| 112 BString::BString(const BString& other) | |
| 113 { | |
| 114 if (!other.m_bstr) | |
| 115 m_bstr = 0; | |
| 116 else | |
| 117 m_bstr = SysAllocString(other.m_bstr); | |
| 118 } | |
| 119 | |
| 120 void BString::adoptBSTR(BSTR bstr) | |
| 121 { | |
| 122 SysFreeString(m_bstr); | |
| 123 m_bstr = bstr; | |
| 124 } | |
| 125 | |
| 126 void BString::clear() | |
| 127 { | |
| 128 SysFreeString(m_bstr); | |
| 129 m_bstr = 0; | |
| 130 } | |
| 131 | |
| 132 BString& BString::operator=(const BString& other) | |
| 133 { | |
| 134 if (this != &other) | |
| 135 *this = other.m_bstr; | |
| 136 return *this; | |
| 137 } | |
| 138 | |
| 139 BString& BString::operator=(const BSTR& other) | |
| 140 { | |
| 141 if (other != m_bstr) { | |
| 142 SysFreeString(m_bstr); | |
| 143 m_bstr = other ? SysAllocString(other) : 0; | |
| 144 } | |
| 145 | |
| 146 return *this; | |
| 147 } | |
| 148 | |
| 149 bool operator ==(const BString& a, const BString& b) | |
| 150 { | |
| 151 if (SysStringLen((BSTR)a) != SysStringLen((BSTR)b)) | |
| 152 return false; | |
| 153 if (!(BSTR)a && !(BSTR)b) | |
| 154 return true; | |
| 155 if (!(BSTR)a || !(BSTR)b) | |
| 156 return false; | |
| 157 return !wcscmp((BSTR)a, (BSTR)b); | |
| 158 } | |
| 159 | |
| 160 bool operator !=(const BString& a, const BString& b) | |
| 161 { | |
| 162 return !(a==b); | |
| 163 } | |
| 164 | |
| 165 bool operator ==(const BString& a, BSTR b) | |
| 166 { | |
| 167 if (SysStringLen((BSTR)a) != SysStringLen(b)) | |
| 168 return false; | |
| 169 if (!(BSTR)a && !b) | |
| 170 return true; | |
| 171 if (!(BSTR)a || !b) | |
| 172 return false; | |
| 173 return !wcscmp((BSTR)a, b); | |
| 174 } | |
| 175 | |
| 176 bool operator !=(const BString& a, BSTR b) | |
| 177 { | |
| 178 return !(a==b); | |
| 179 } | |
| 180 | |
| 181 bool operator ==(BSTR a, const BString& b) | |
| 182 { | |
| 183 if (SysStringLen(a) != SysStringLen((BSTR)b)) | |
| 184 return false; | |
| 185 if (!a && !(BSTR)b) | |
| 186 return true; | |
| 187 if (!a || !(BSTR)b) | |
| 188 return false; | |
| 189 return !wcscmp(a, (BSTR)b); | |
| 190 } | |
| 191 | |
| 192 bool operator !=(BSTR a, const BString& b) | |
| 193 { | |
| 194 return !(a==b); | |
| 195 } | |
| 196 | |
| 197 } | |
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