The Tor Browser / file comparison
comparison: dom/xslt/xpath/txXPathNode.h
dom/xslt/xpath/txXPathNode.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:b4584873fc01 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef txXPathNode_h__ | |
| 7 #define txXPathNode_h__ | |
| 8 | |
| 9 #include "nsAutoPtr.h" | |
| 10 #include "nsIContent.h" | |
| 11 #include "nsIDocument.h" | |
| 12 #include "nsIDOMNode.h" | |
| 13 #include "nsNameSpaceManager.h" | |
| 14 #include "nsContentUtils.h" // For NameSpaceManager(). | |
| 15 | |
| 16 typedef nsIDOMNode txXPathNodeType; | |
| 17 | |
| 18 class txXPathNode | |
| 19 { | |
| 20 public: | |
| 21 bool operator==(const txXPathNode& aNode) const; | |
| 22 bool operator!=(const txXPathNode& aNode) const | |
| 23 { | |
| 24 return !(*this == aNode); | |
| 25 } | |
| 26 ~txXPathNode(); | |
| 27 | |
| 28 private: | |
| 29 friend class txNodeSet; | |
| 30 friend class txXPathNativeNode; | |
| 31 friend class txXPathNodeUtils; | |
| 32 friend class txXPathTreeWalker; | |
| 33 | |
| 34 txXPathNode(const txXPathNode& aNode); | |
| 35 | |
| 36 txXPathNode(nsIDocument* aDocument) : mNode(aDocument), | |
| 37 mRefCountRoot(0), | |
| 38 mIndex(eDocument) | |
| 39 { | |
| 40 MOZ_COUNT_CTOR(txXPathNode); | |
| 41 } | |
| 42 txXPathNode(nsINode *aNode, uint32_t aIndex, nsINode *aRoot) | |
| 43 : mNode(aNode), | |
| 44 mRefCountRoot(aRoot ? 1 : 0), | |
| 45 mIndex(aIndex) | |
| 46 { | |
| 47 MOZ_COUNT_CTOR(txXPathNode); | |
| 48 if (aRoot) { | |
| 49 NS_ADDREF(aRoot); | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 static nsINode *RootOf(nsINode *aNode) | |
| 54 { | |
| 55 nsINode *ancestor, *root = aNode; | |
| 56 while ((ancestor = root->GetParentNode())) { | |
| 57 root = ancestor; | |
| 58 } | |
| 59 return root; | |
| 60 } | |
| 61 nsINode *Root() const | |
| 62 { | |
| 63 return RootOf(mNode); | |
| 64 } | |
| 65 nsINode *GetRootToAddRef() const | |
| 66 { | |
| 67 return mRefCountRoot ? Root() : nullptr; | |
| 68 } | |
| 69 | |
| 70 bool isDocument() const | |
| 71 { | |
| 72 return mIndex == eDocument; | |
| 73 } | |
| 74 bool isContent() const | |
| 75 { | |
| 76 return mIndex == eContent; | |
| 77 } | |
| 78 bool isAttribute() const | |
| 79 { | |
| 80 return mIndex != eDocument && mIndex != eContent; | |
| 81 } | |
| 82 | |
| 83 nsIContent* Content() const | |
| 84 { | |
| 85 NS_ASSERTION(isContent() || isAttribute(), "wrong type"); | |
| 86 return static_cast<nsIContent*>(mNode); | |
| 87 } | |
| 88 nsIDocument* Document() const | |
| 89 { | |
| 90 NS_ASSERTION(isDocument(), "wrong type"); | |
| 91 return static_cast<nsIDocument*>(mNode); | |
| 92 } | |
| 93 | |
| 94 enum PositionType | |
| 95 { | |
| 96 eDocument = (1 << 30), | |
| 97 eContent = eDocument - 1 | |
| 98 }; | |
| 99 | |
| 100 nsINode* mNode; | |
| 101 uint32_t mRefCountRoot : 1; | |
| 102 uint32_t mIndex : 31; | |
| 103 }; | |
| 104 | |
| 105 class txNamespaceManager | |
| 106 { | |
| 107 public: | |
| 108 static int32_t getNamespaceID(const nsAString& aNamespaceURI); | |
| 109 static nsresult getNamespaceURI(const int32_t aID, nsAString& aResult); | |
| 110 }; | |
| 111 | |
| 112 /* static */ | |
| 113 inline int32_t | |
| 114 txNamespaceManager::getNamespaceID(const nsAString& aNamespaceURI) | |
| 115 { | |
| 116 int32_t namespaceID = kNameSpaceID_Unknown; | |
| 117 nsContentUtils::NameSpaceManager()-> | |
| 118 RegisterNameSpace(aNamespaceURI, namespaceID); | |
| 119 return namespaceID; | |
| 120 } | |
| 121 | |
| 122 /* static */ | |
| 123 inline nsresult | |
| 124 txNamespaceManager::getNamespaceURI(const int32_t aID, nsAString& aResult) | |
| 125 { | |
| 126 return nsContentUtils::NameSpaceManager()-> | |
| 127 GetNameSpaceURI(aID, aResult); | |
| 128 } | |
| 129 | |
| 130 inline bool | |
| 131 txXPathNode::operator==(const txXPathNode& aNode) const | |
| 132 { | |
| 133 return mIndex == aNode.mIndex && mNode == aNode.mNode; | |
| 134 } | |
| 135 | |
| 136 #endif /* txXPathNode_h__ */ |
