1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "HTTPHeaderMap.h" 33 34 #include <utility> 35 36 using namespace std; 37 38 namespace WebCore { 39 40 HTTPHeaderMap::HTTPHeaderMap() 41 { 42 } 43 44 HTTPHeaderMap::~HTTPHeaderMap() 45 { 46 } 47 48 PassOwnPtr<CrossThreadHTTPHeaderMapData> HTTPHeaderMap::copyData() const 49 { 50 OwnPtr<CrossThreadHTTPHeaderMapData> data(new CrossThreadHTTPHeaderMapData()); 51 data->reserveInitialCapacity(size()); 52 53 HTTPHeaderMap::const_iterator end_it = end(); 54 for (HTTPHeaderMap::const_iterator it = begin(); it != end_it; ++it) { 55 data->append(make_pair(it->first.string().crossThreadString(), it->second.crossThreadString())); 56 } 57 return data.release(); 58 } 59 60 void HTTPHeaderMap::adopt(PassOwnPtr<CrossThreadHTTPHeaderMapData> data) 61 { 62 clear(); 63 size_t dataSize = data->size(); 64 for (size_t index = 0; index < dataSize; ++index) { 65 pair<String, String>& header = (*data)[index]; 66 set(header.first, header.second); 67 } 68 } 69 70 String HTTPHeaderMap::get(const AtomicString& name) const 71 { 72 return HashMap<AtomicString, String, CaseFoldingHash>::get(name); 73 } 74 75 pair<HTTPHeaderMap::iterator, bool> HTTPHeaderMap::add(const AtomicString& name, const String& value) 76 { 77 return HashMap<AtomicString, String, CaseFoldingHash>::add(name, value); 78 } 79 80 // Adapter that allows the HashMap to take C strings as keys. 81 struct CaseFoldingCStringTranslator { 82 static unsigned hash(const char* cString) 83 { 84 return CaseFoldingHash::hash(cString, strlen(cString)); 85 } 86 87 static bool equal(const AtomicString& key, const char* cString) 88 { 89 return equalIgnoringCase(key, cString); 90 } 91 92 static void translate(AtomicString& location, const char* cString, unsigned /*hash*/) 93 { 94 location = AtomicString(cString); 95 } 96 }; 97 98 String HTTPHeaderMap::get(const char* name) const 99 { 100 const_iterator i = find<const char*, CaseFoldingCStringTranslator>(name); 101 if (i == end()) 102 return String(); 103 return i->second; 104 } 105 106 bool HTTPHeaderMap::contains(const char* name) const 107 { 108 return find<const char*, CaseFoldingCStringTranslator>(name) != end(); 109 } 110 111 pair<HTTPHeaderMap::iterator, bool> HTTPHeaderMap::add(const char* name, const String& value) 112 { 113 return HashMap<AtomicString, String, CaseFoldingHash>::add<const char*, CaseFoldingCStringTranslator>(name, value); 114 } 115 116 } // namespace WebCore 117