1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/base/src/nsNodeInfo.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +/*
1.11 + * Class that represents a prefix/namespace/localName triple; a single
1.12 + * nodeinfo is shared by all elements in a document that have that
1.13 + * prefix, namespace, and localName.
1.14 + */
1.15 +
1.16 +#ifndef nsNodeInfo_h___
1.17 +#define nsNodeInfo_h___
1.18 +
1.19 +#include "mozilla/Attributes.h"
1.20 +#include "nsINodeInfo.h"
1.21 +#include "nsNodeInfoManager.h"
1.22 +#include "plhash.h"
1.23 +#include "nsIAtom.h"
1.24 +#include "nsCOMPtr.h"
1.25 +#include "nsIDOMNode.h"
1.26 +#include "nsGkAtoms.h"
1.27 +
1.28 +class nsNodeInfo : public nsINodeInfo
1.29 +{
1.30 +public:
1.31 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.32 + NS_DECL_CYCLE_COLLECTION_SKIPPABLE_CLASS(nsNodeInfo)
1.33 +
1.34 + // nsINodeInfo
1.35 + virtual void GetNamespaceURI(nsAString& aNameSpaceURI) const;
1.36 + virtual bool NamespaceEquals(const nsAString& aNamespaceURI) const MOZ_OVERRIDE;
1.37 +
1.38 + // nsNodeInfo
1.39 +public:
1.40 + /*
1.41 + * aName and aOwnerManager may not be null.
1.42 + */
1.43 + nsNodeInfo(nsIAtom *aName, nsIAtom *aPrefix, int32_t aNamespaceID,
1.44 + uint16_t aNodeType, nsIAtom *aExtraName,
1.45 + nsNodeInfoManager *aOwnerManager);
1.46 +
1.47 +private:
1.48 + nsNodeInfo(); // Unimplemented
1.49 + nsNodeInfo(const nsNodeInfo& aOther); // Unimplemented
1.50 +protected:
1.51 + virtual ~nsNodeInfo();
1.52 +
1.53 +public:
1.54 + bool CanSkip();
1.55 +
1.56 +private:
1.57 + /**
1.58 + * This method gets called by Release() when it's time to delete
1.59 + * this object.
1.60 + */
1.61 + void LastRelease();
1.62 +};
1.63 +
1.64 +inline void
1.65 +CheckValidNodeInfo(uint16_t aNodeType, nsIAtom *aName, int32_t aNamespaceID,
1.66 + nsIAtom* aExtraName)
1.67 +{
1.68 + NS_ABORT_IF_FALSE(aNodeType == nsIDOMNode::ELEMENT_NODE ||
1.69 + aNodeType == nsIDOMNode::ATTRIBUTE_NODE ||
1.70 + aNodeType == nsIDOMNode::TEXT_NODE ||
1.71 + aNodeType == nsIDOMNode::CDATA_SECTION_NODE ||
1.72 + aNodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE ||
1.73 + aNodeType == nsIDOMNode::COMMENT_NODE ||
1.74 + aNodeType == nsIDOMNode::DOCUMENT_NODE ||
1.75 + aNodeType == nsIDOMNode::DOCUMENT_TYPE_NODE ||
1.76 + aNodeType == nsIDOMNode::DOCUMENT_FRAGMENT_NODE ||
1.77 + aNodeType == UINT16_MAX,
1.78 + "Invalid nodeType");
1.79 + NS_ABORT_IF_FALSE((aNodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE ||
1.80 + aNodeType == nsIDOMNode::DOCUMENT_TYPE_NODE) ==
1.81 + !!aExtraName,
1.82 + "Supply aExtraName for and only for PIs and doctypes");
1.83 + NS_ABORT_IF_FALSE(aNodeType == nsIDOMNode::ELEMENT_NODE ||
1.84 + aNodeType == nsIDOMNode::ATTRIBUTE_NODE ||
1.85 + aNodeType == UINT16_MAX ||
1.86 + aNamespaceID == kNameSpaceID_None,
1.87 + "Only attributes and elements can be in a namespace");
1.88 + NS_ABORT_IF_FALSE(aName && aName != nsGkAtoms::_empty, "Invalid localName");
1.89 + NS_ABORT_IF_FALSE(((aNodeType == nsIDOMNode::TEXT_NODE) ==
1.90 + (aName == nsGkAtoms::textTagName)) &&
1.91 + ((aNodeType == nsIDOMNode::CDATA_SECTION_NODE) ==
1.92 + (aName == nsGkAtoms::cdataTagName)) &&
1.93 + ((aNodeType == nsIDOMNode::COMMENT_NODE) ==
1.94 + (aName == nsGkAtoms::commentTagName)) &&
1.95 + ((aNodeType == nsIDOMNode::DOCUMENT_NODE) ==
1.96 + (aName == nsGkAtoms::documentNodeName)) &&
1.97 + ((aNodeType == nsIDOMNode::DOCUMENT_FRAGMENT_NODE) ==
1.98 + (aName == nsGkAtoms::documentFragmentNodeName)) &&
1.99 + ((aNodeType == nsIDOMNode::DOCUMENT_TYPE_NODE) ==
1.100 + (aName == nsGkAtoms::documentTypeNodeName)) &&
1.101 + ((aNodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE) ==
1.102 + (aName == nsGkAtoms::processingInstructionTagName)),
1.103 + "Wrong localName for nodeType");
1.104 +}
1.105 +
1.106 +#endif /* nsNodeInfo_h___ */
