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https://gitlab.winehq.org/wine/wine-gecko.git
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181 lines
7.1 KiB
C++
181 lines
7.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* nsIContentSerializer implementation that can be used with an
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* nsIDocumentEncoder to convert an XML DOM to an XML string that
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* could be parsed into more or less the original DOM.
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*/
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#ifndef nsXMLContentSerializer_h__
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#define nsXMLContentSerializer_h__
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#include "nsIContentSerializer.h"
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#include "nsISupportsUtils.h"
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#include "nsCOMPtr.h"
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#include "nsVoidArray.h"
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class nsIDOMNode;
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class nsIAtom;
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class nsXMLContentSerializer : public nsIContentSerializer {
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public:
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nsXMLContentSerializer();
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virtual ~nsXMLContentSerializer();
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NS_DECL_ISUPPORTS
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NS_IMETHOD Init(PRUint32 flags, PRUint32 aWrapColumn,
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const char* aCharSet, PRBool aIsCopying,
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PRBool aIsWholeDocument);
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NS_IMETHOD AppendText(nsIDOMText* aText, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAString& aStr);
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NS_IMETHOD AppendCDATASection(nsIDOMCDATASection* aCDATASection,
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PRInt32 aStartOffset, PRInt32 aEndOffset,
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nsAString& aStr);
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NS_IMETHOD AppendProcessingInstruction(nsIDOMProcessingInstruction* aPI,
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PRInt32 aStartOffset,
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PRInt32 aEndOffset,
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nsAString& aStr);
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NS_IMETHOD AppendComment(nsIDOMComment* aComment, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAString& aStr);
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NS_IMETHOD AppendDoctype(nsIDOMDocumentType *aDoctype,
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nsAString& aStr);
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NS_IMETHOD AppendElementStart(nsIDOMElement *aElement,
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nsIDOMElement *aOriginalElement,
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nsAString& aStr);
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NS_IMETHOD AppendElementEnd(nsIDOMElement *aElement,
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nsAString& aStr);
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NS_IMETHOD Flush(nsAString& aStr) { return NS_OK; }
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NS_IMETHOD AppendDocumentStart(nsIDOMDocument *aDocument,
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nsAString& aStr);
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protected:
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virtual void AppendToString(const PRUnichar* aStr,
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PRInt32 aLength,
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nsAString& aOutputStr);
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virtual void AppendToString(const PRUnichar aChar, nsAString& aOutputStr);
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virtual void AppendToString(const nsAString& aStr,
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nsAString& aOutputStr,
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PRBool aTranslateEntities = PR_FALSE,
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PRBool aIncrColumn = PR_TRUE);
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nsresult AppendTextData(nsIDOMNode* aNode,
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PRInt32 aStartOffset,
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PRInt32 aEndOffset,
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nsAString& aStr,
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PRBool aTranslateEntities,
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PRBool aIncrColumn);
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virtual nsresult PushNameSpaceDecl(const nsAString& aPrefix,
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const nsAString& aURI,
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nsIDOMElement* aOwner);
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void PopNameSpaceDeclsFor(nsIDOMElement* aOwner);
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/**
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* The problem that ConfirmPrefix fixes is that anyone can insert nodes
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* through the DOM that have a namespace URI and a random or empty or
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* previously existing prefix that's totally unrelated to the prefixes
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* declared at that point through xmlns attributes. So what ConfirmPrefix
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* does is ensure that we can map aPrefix to the namespace URI aURI (for
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* example, that the prefix is not already mapped to some other namespace).
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* aPrefix will be adjusted, if necessary, so the value of the prefix
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* _after_ this call is what should be serialized.
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* @param aPrefix the prefix that may need adjusting
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* @param aURI the namespace URI we want aPrefix to point to
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* @param aElement the element we're working with (needed for proper default
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* namespace handling)
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* @param aIsAttribute PR_TRUE if we're confirming a prefix for an attribute.
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* @return PR_TRUE if we need to push the (prefix, uri) pair on the namespace
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* stack (note that this can happen even if the prefix is
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* empty).
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*/
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PRBool ConfirmPrefix(nsAString& aPrefix,
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const nsAString& aURI,
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nsIDOMElement* aElement,
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PRBool aIsAttribute);
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/**
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* GenerateNewPrefix generates a new prefix and writes it to aPrefix
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*/
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void GenerateNewPrefix(nsAString& aPrefix);
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void SerializeAttr(const nsAString& aPrefix,
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const nsAString& aName,
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const nsAString& aValue,
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nsAString& aStr,
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PRBool aDoEscapeEntities);
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PRBool IsShorthandAttr(const nsIAtom* aAttrName,
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const nsIAtom* aElementName);
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virtual void AppendToStringConvertLF(const nsAString& aStr,
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nsAString& aOutputStr);
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// Functions to check for newlines that needs to be added between nodes in
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// the root of a document.
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void MaybeAddNewline(nsAString& aStr);
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void MaybeFlagNewline(nsIDOMNode* aNode);
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PRInt32 mPrefixIndex;
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nsVoidArray mNameSpaceStack;
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// nsIDocumentEncoder flags
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PRUint32 mFlags;
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// characters to use for line break
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nsString mLineBreak;
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// The charset that was passed to Init()
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nsCString mCharset;
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// current column position
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PRInt32 mColPos;
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PRPackedBool mInAttribute;
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PRPackedBool mAddNewline;
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};
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nsresult
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NS_NewXMLContentSerializer(nsIContentSerializer** aSerializer);
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#endif
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