1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xpath/txXPathNode.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,136 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef txXPathNode_h__
1.10 +#define txXPathNode_h__
1.11 +
1.12 +#include "nsAutoPtr.h"
1.13 +#include "nsIContent.h"
1.14 +#include "nsIDocument.h"
1.15 +#include "nsIDOMNode.h"
1.16 +#include "nsNameSpaceManager.h"
1.17 +#include "nsContentUtils.h" // For NameSpaceManager().
1.18 +
1.19 +typedef nsIDOMNode txXPathNodeType;
1.20 +
1.21 +class txXPathNode
1.22 +{
1.23 +public:
1.24 + bool operator==(const txXPathNode& aNode) const;
1.25 + bool operator!=(const txXPathNode& aNode) const
1.26 + {
1.27 + return !(*this == aNode);
1.28 + }
1.29 + ~txXPathNode();
1.30 +
1.31 +private:
1.32 + friend class txNodeSet;
1.33 + friend class txXPathNativeNode;
1.34 + friend class txXPathNodeUtils;
1.35 + friend class txXPathTreeWalker;
1.36 +
1.37 + txXPathNode(const txXPathNode& aNode);
1.38 +
1.39 + txXPathNode(nsIDocument* aDocument) : mNode(aDocument),
1.40 + mRefCountRoot(0),
1.41 + mIndex(eDocument)
1.42 + {
1.43 + MOZ_COUNT_CTOR(txXPathNode);
1.44 + }
1.45 + txXPathNode(nsINode *aNode, uint32_t aIndex, nsINode *aRoot)
1.46 + : mNode(aNode),
1.47 + mRefCountRoot(aRoot ? 1 : 0),
1.48 + mIndex(aIndex)
1.49 + {
1.50 + MOZ_COUNT_CTOR(txXPathNode);
1.51 + if (aRoot) {
1.52 + NS_ADDREF(aRoot);
1.53 + }
1.54 + }
1.55 +
1.56 + static nsINode *RootOf(nsINode *aNode)
1.57 + {
1.58 + nsINode *ancestor, *root = aNode;
1.59 + while ((ancestor = root->GetParentNode())) {
1.60 + root = ancestor;
1.61 + }
1.62 + return root;
1.63 + }
1.64 + nsINode *Root() const
1.65 + {
1.66 + return RootOf(mNode);
1.67 + }
1.68 + nsINode *GetRootToAddRef() const
1.69 + {
1.70 + return mRefCountRoot ? Root() : nullptr;
1.71 + }
1.72 +
1.73 + bool isDocument() const
1.74 + {
1.75 + return mIndex == eDocument;
1.76 + }
1.77 + bool isContent() const
1.78 + {
1.79 + return mIndex == eContent;
1.80 + }
1.81 + bool isAttribute() const
1.82 + {
1.83 + return mIndex != eDocument && mIndex != eContent;
1.84 + }
1.85 +
1.86 + nsIContent* Content() const
1.87 + {
1.88 + NS_ASSERTION(isContent() || isAttribute(), "wrong type");
1.89 + return static_cast<nsIContent*>(mNode);
1.90 + }
1.91 + nsIDocument* Document() const
1.92 + {
1.93 + NS_ASSERTION(isDocument(), "wrong type");
1.94 + return static_cast<nsIDocument*>(mNode);
1.95 + }
1.96 +
1.97 + enum PositionType
1.98 + {
1.99 + eDocument = (1 << 30),
1.100 + eContent = eDocument - 1
1.101 + };
1.102 +
1.103 + nsINode* mNode;
1.104 + uint32_t mRefCountRoot : 1;
1.105 + uint32_t mIndex : 31;
1.106 +};
1.107 +
1.108 +class txNamespaceManager
1.109 +{
1.110 +public:
1.111 + static int32_t getNamespaceID(const nsAString& aNamespaceURI);
1.112 + static nsresult getNamespaceURI(const int32_t aID, nsAString& aResult);
1.113 +};
1.114 +
1.115 +/* static */
1.116 +inline int32_t
1.117 +txNamespaceManager::getNamespaceID(const nsAString& aNamespaceURI)
1.118 +{
1.119 + int32_t namespaceID = kNameSpaceID_Unknown;
1.120 + nsContentUtils::NameSpaceManager()->
1.121 + RegisterNameSpace(aNamespaceURI, namespaceID);
1.122 + return namespaceID;
1.123 +}
1.124 +
1.125 +/* static */
1.126 +inline nsresult
1.127 +txNamespaceManager::getNamespaceURI(const int32_t aID, nsAString& aResult)
1.128 +{
1.129 + return nsContentUtils::NameSpaceManager()->
1.130 + GetNameSpaceURI(aID, aResult);
1.131 +}
1.132 +
1.133 +inline bool
1.134 +txXPathNode::operator==(const txXPathNode& aNode) const
1.135 +{
1.136 + return mIndex == aNode.mIndex && mNode == aNode.mNode;
1.137 +}
1.138 +
1.139 +#endif /* txXPathNode_h__ */
