1/* 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29#include "config.h" 30#include "DOMNamedFlowCollection.h" 31 32#include "NamedFlowCollection.h" 33#include "WebKitNamedFlow.h" 34 35namespace WebCore { 36 37DOMNamedFlowCollection::DOMNamedFlowCollection(const Vector<WebKitNamedFlow*>& namedFlows) 38{ 39 for (Vector<WebKitNamedFlow*>::const_iterator it = namedFlows.begin(); it != namedFlows.end(); ++it) 40 m_namedFlows.add(*it); 41} 42 43unsigned long DOMNamedFlowCollection::length() const 44{ 45 return m_namedFlows.size(); 46} 47 48PassRefPtr<WebKitNamedFlow> DOMNamedFlowCollection::item(unsigned long index) const 49{ 50 if (index >= static_cast<unsigned long>(m_namedFlows.size())) 51 return 0; 52 DOMNamedFlowSet::const_iterator it = m_namedFlows.begin(); 53 for (unsigned long i = 0; i < index; ++i) 54 ++it; 55 return *it; 56} 57 58PassRefPtr<WebKitNamedFlow> DOMNamedFlowCollection::namedItem(const AtomicString& name) const 59{ 60 DOMNamedFlowSet::const_iterator it = m_namedFlows.find<String, DOMNamedFlowHashTranslator>(name); 61 if (it != m_namedFlows.end()) 62 return *it; 63 return 0; 64} 65 66bool DOMNamedFlowCollection::hasNamedItem(const AtomicString& name) const 67{ 68 return namedItem(name); 69} 70 71// The HashFunctions object used by the HashSet to compare between RefPtr<NamedFlows>. 72// It is safe to set safeToCompareToEmptyOrDeleted because the HashSet will never contain null pointers or deleted values. 73struct DOMNamedFlowCollection::DOMNamedFlowHashFunctions { 74 static unsigned hash(PassRefPtr<WebKitNamedFlow> key) { return DefaultHash<String>::Hash::hash(key->name()); } 75 static bool equal(PassRefPtr<WebKitNamedFlow> a, PassRefPtr<WebKitNamedFlow> b) { return a->name() == b->name(); } 76 static const bool safeToCompareToEmptyOrDeleted = true; 77}; 78 79// The HashTranslator is used to lookup a RefPtr<NamedFlow> in the set using a name. 80struct DOMNamedFlowCollection::DOMNamedFlowHashTranslator { 81 static unsigned hash(const String& key) { return DefaultHash<String>::Hash::hash(key); } 82 static bool equal(PassRefPtr<WebKitNamedFlow> a, const String& b) { return a->name() == b; } 83}; 84} // namespace WebCore 85 86 87 88