mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-09-19 11:40:21 +02:00
351 lines
10 KiB
C++
351 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is TransforMiiX XSLT processor code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2003
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Peter Van der Beken <peterv@propagandism.org>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef txXPathTreeWalker_h__
|
|
#define txXPathTreeWalker_h__
|
|
|
|
#include "txCore.h"
|
|
#include "txXPathNode.h"
|
|
|
|
class nsIAtom;
|
|
|
|
#ifndef TX_EXE
|
|
#include "nsINodeInfo.h"
|
|
#include "nsVoidArray.h"
|
|
|
|
class txUint32Array : public nsVoidArray
|
|
{
|
|
public:
|
|
PRBool AppendValue(PRUint32 aValue)
|
|
{
|
|
return InsertElementAt(NS_INT32_TO_PTR(aValue), Count());
|
|
}
|
|
PRBool RemoveValueAt(PRUint32 aIndex)
|
|
{
|
|
return RemoveElementsAt(aIndex, 1);
|
|
}
|
|
PRInt32 ValueAt(PRUint32 aIndex) const
|
|
{
|
|
return NS_PTR_TO_INT32(ElementAt(aIndex));
|
|
}
|
|
};
|
|
|
|
class nsIDOMDocument;
|
|
#endif
|
|
|
|
class txXPathTreeWalker
|
|
{
|
|
public:
|
|
txXPathTreeWalker(const txXPathTreeWalker& aOther);
|
|
explicit txXPathTreeWalker(const txXPathNode& aNode);
|
|
~txXPathTreeWalker();
|
|
|
|
PRBool getAttr(nsIAtom* aLocalName, PRInt32 aNSID, nsAString& aValue) const;
|
|
PRInt32 getNamespaceID() const;
|
|
PRUint16 getNodeType() const;
|
|
void appendNodeValue(nsAString& aResult) const;
|
|
void getNodeName(nsAString& aName) const;
|
|
|
|
void moveTo(const txXPathTreeWalker& aWalker);
|
|
|
|
PRBool moveToParent();
|
|
PRBool moveToElementById(const nsAString& aID);
|
|
PRBool moveToFirstAttribute();
|
|
PRBool moveToNextAttribute();
|
|
PRBool moveToFirstChild();
|
|
PRBool moveToLastChild();
|
|
PRBool moveToNextSibling();
|
|
PRBool moveToPreviousSibling();
|
|
|
|
PRBool isOnNode(const txXPathNode& aNode) const;
|
|
|
|
const txXPathNode& getCurrentPosition() const;
|
|
|
|
private:
|
|
txXPathNode mPosition;
|
|
|
|
#ifndef TX_EXE
|
|
PRBool moveToValidAttribute(PRUint32 aStartIndex);
|
|
PRBool moveToSibling(PRInt32 aDir);
|
|
|
|
PRUint32 mCurrentIndex;
|
|
txUint32Array mDescendants;
|
|
#endif
|
|
};
|
|
|
|
class txXPathNodeUtils
|
|
{
|
|
public:
|
|
static PRBool getAttr(const txXPathNode& aNode, nsIAtom* aLocalName,
|
|
PRInt32 aNSID, nsAString& aValue);
|
|
static already_AddRefed<nsIAtom> getLocalName(const txXPathNode& aNode);
|
|
static void getLocalName(const txXPathNode& aNode, nsAString& aLocalName);
|
|
static void getNodeName(const txXPathNode& aNode,
|
|
nsAString& aName);
|
|
static PRInt32 getNamespaceID(const txXPathNode& aNode);
|
|
static void getNamespaceURI(const txXPathNode& aNode, nsAString& aURI);
|
|
static PRUint16 getNodeType(const txXPathNode& aNode);
|
|
static void appendNodeValue(const txXPathNode& aNode, nsAString& aResult);
|
|
static PRBool isWhitespace(const txXPathNode& aNode);
|
|
static txXPathNode* getDocument(const txXPathNode& aNode);
|
|
static txXPathNode* getOwnerDocument(const txXPathNode& aNode);
|
|
static PRInt32 getUniqueIdentifier(const txXPathNode& aNode);
|
|
static nsresult getXSLTId(const txXPathNode& aNode, nsAString& aResult);
|
|
static void release(txXPathNode* aNode);
|
|
static void getBaseURI(const txXPathNode& aNode, nsAString& aURI);
|
|
static PRIntn comparePosition(const txXPathNode& aNode,
|
|
const txXPathNode& aOtherNode);
|
|
static PRBool localNameEquals(const txXPathNode& aNode,
|
|
nsIAtom* aLocalName);
|
|
static PRBool isRoot(const txXPathNode& aNode);
|
|
static PRBool isElement(const txXPathNode& aNode);
|
|
static PRBool isAttribute(const txXPathNode& aNode);
|
|
static PRBool isProcessingInstruction(const txXPathNode& aNode);
|
|
static PRBool isComment(const txXPathNode& aNode);
|
|
static PRBool isText(const txXPathNode& aNode);
|
|
|
|
#ifdef TX_EXE
|
|
private:
|
|
static void appendNodeValueHelper(NodeDefinition* aNode, nsAString& aResult);
|
|
#endif
|
|
};
|
|
|
|
#ifdef TX_EXE
|
|
class txXPathNativeNode
|
|
{
|
|
public:
|
|
static txXPathNode* createXPathNode(Node* aNode);
|
|
static nsresult getElement(const txXPathNode& aNode, Element** aResult);
|
|
static nsresult getDocument(const txXPathNode& aNode, Document** aResult);
|
|
};
|
|
#else
|
|
class txXPathNativeNode
|
|
{
|
|
public:
|
|
static txXPathNode* createXPathNode(nsIDOMNode* aNode);
|
|
static txXPathNode* createXPathNode(nsIDOMDocument* aDocument);
|
|
static nsresult getNode(const txXPathNode& aNode, nsIDOMNode** aResult);
|
|
static nsIContent* getContent(const txXPathNode& aNode);
|
|
static nsIDocument* getDocument(const txXPathNode& aNode);
|
|
static void addRef(const txXPathNode& aNode)
|
|
{
|
|
// Hopefully it's ok to access mContent through mDocument.
|
|
NS_ADDREF(aNode.mDocument);
|
|
}
|
|
static void release(const txXPathNode& aNode)
|
|
{
|
|
// Hopefully it's ok to access mContent through mDocument.
|
|
nsISupports *node = aNode.mDocument;
|
|
NS_RELEASE(node);
|
|
}
|
|
};
|
|
|
|
#endif
|
|
|
|
inline const txXPathNode&
|
|
txXPathTreeWalker::getCurrentPosition() const
|
|
{
|
|
return mPosition;
|
|
}
|
|
|
|
inline PRBool
|
|
txXPathTreeWalker::getAttr(nsIAtom* aLocalName, PRInt32 aNSID,
|
|
nsAString& aValue) const
|
|
{
|
|
return txXPathNodeUtils::getAttr(mPosition, aLocalName, aNSID, aValue);
|
|
}
|
|
|
|
inline PRInt32
|
|
txXPathTreeWalker::getNamespaceID() const
|
|
{
|
|
return txXPathNodeUtils::getNamespaceID(mPosition);
|
|
}
|
|
|
|
inline void
|
|
txXPathTreeWalker::appendNodeValue(nsAString& aResult) const
|
|
{
|
|
txXPathNodeUtils::appendNodeValue(mPosition, aResult);
|
|
}
|
|
|
|
inline void
|
|
txXPathTreeWalker::getNodeName(nsAString& aName) const
|
|
{
|
|
txXPathNodeUtils::getNodeName(mPosition, aName);
|
|
}
|
|
|
|
inline void
|
|
txXPathTreeWalker::moveTo(const txXPathTreeWalker& aWalker)
|
|
{
|
|
#ifdef TX_EXE
|
|
mPosition.mInner = aWalker.mPosition.mInner;
|
|
#else
|
|
mPosition.mIndex = aWalker.mPosition.mIndex;
|
|
// Hopefully it's ok to access mContent through mDocument.
|
|
mPosition.mDocument = aWalker.mPosition.mDocument;
|
|
mCurrentIndex = aWalker.mCurrentIndex;
|
|
mDescendants.Clear();
|
|
#endif
|
|
}
|
|
|
|
inline PRBool
|
|
txXPathTreeWalker::isOnNode(const txXPathNode& aNode) const
|
|
{
|
|
return (mPosition == aNode);
|
|
}
|
|
|
|
/* static */
|
|
inline PRInt32
|
|
txXPathNodeUtils::getUniqueIdentifier(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return NS_PTR_TO_INT32(aNode.mInner);
|
|
#else
|
|
NS_PRECONDITION(aNode.mIndex == txXPathNode::eDocument,
|
|
"Only implemented for documents.");
|
|
return NS_PTR_TO_INT32(aNode.mDocument);
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline void
|
|
txXPathNodeUtils::release(txXPathNode* aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
delete aNode->mInner;
|
|
#else
|
|
NS_RELEASE(aNode->mDocument);
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::localNameEquals(const txXPathNode& aNode,
|
|
nsIAtom* aLocalName)
|
|
{
|
|
#ifdef TX_EXE
|
|
nsCOMPtr<nsIAtom> localName;
|
|
aNode.mInner->getLocalName(getter_AddRefs(localName));
|
|
|
|
return localName == aLocalName;
|
|
#else
|
|
if (aNode.isContent()) {
|
|
nsINodeInfo *ni = aNode.mContent->GetNodeInfo();
|
|
if (ni) {
|
|
return ni->Equals(aLocalName);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIAtom> localName = txXPathNodeUtils::getLocalName(aNode);
|
|
|
|
return localName == aLocalName;
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isRoot(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::DOCUMENT_NODE;
|
|
#else
|
|
return aNode.isDocument();
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isElement(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::ELEMENT_NODE;
|
|
#else
|
|
return aNode.isContent() &&
|
|
aNode.mContent->IsContentOfType(nsIContent::eELEMENT);
|
|
#endif
|
|
}
|
|
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isAttribute(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::ATTRIBUTE_NODE;
|
|
#else
|
|
return aNode.isAttribute();
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isProcessingInstruction(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::PROCESSING_INSTRUCTION_NODE;
|
|
#else
|
|
return aNode.isContent() &&
|
|
aNode.mContent->IsContentOfType(nsIContent::ePROCESSING_INSTRUCTION);
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isComment(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::COMMENT_NODE;
|
|
#else
|
|
return aNode.isContent() &&
|
|
aNode.mContent->IsContentOfType(nsIContent::eCOMMENT);
|
|
#endif
|
|
}
|
|
|
|
/* static */
|
|
inline PRBool
|
|
txXPathNodeUtils::isText(const txXPathNode& aNode)
|
|
{
|
|
#ifdef TX_EXE
|
|
return aNode.mInner->getNodeType() == Node::TEXT_NODE;
|
|
#else
|
|
return aNode.isContent() &&
|
|
aNode.mContent->IsContentOfType(nsIContent::eTEXT);
|
|
#endif
|
|
}
|
|
|
|
#endif /* txXPathTreeWalker_h__ */
|