2007-03-22 10:30:00 -07:00
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/* -*- 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 HTML (not XHTML!) DOM to an HTML
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* string that could be parsed into more or less the original DOM.
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*/
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#ifndef nsHTMLContentSerializer_h__
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#define nsHTMLContentSerializer_h__
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#include "nsXMLContentSerializer.h"
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#include "nsIEntityConverter.h"
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#include "nsString.h"
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#include "nsILineBreaker.h"
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class nsIContent;
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class nsIAtom;
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class nsHTMLContentSerializer : public nsXMLContentSerializer {
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public:
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nsHTMLContentSerializer();
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virtual ~nsHTMLContentSerializer();
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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,
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PRInt32 aStartOffset,
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PRInt32 aEndOffset,
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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 AppendDocumentStart(nsIDOMDocument *aDocument,
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nsAString& aStr);
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protected:
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PRBool LineBreakBeforeOpen(nsIAtom* aName, PRBool aHasDirtyAttr);
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PRBool LineBreakAfterOpen(nsIAtom* aName, PRBool aHasDirtyAttr);
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PRBool LineBreakBeforeClose(nsIAtom* aName, PRBool aHasDirtyAttr);
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PRBool LineBreakAfterClose(nsIAtom* aName, PRBool aHasDirtyAttr);
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PRBool IsFirstChildOfOL(nsIDOMElement* aElement);
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void StartIndentation(nsIAtom* aName,
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PRBool aHasDirtyAttr,
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nsAString& aStr);
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void EndIndentation(nsIAtom* aName,
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PRBool aHasDirtyAttr,
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nsAString& aStr);
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nsresult GetEntityConverter(nsIEntityConverter** aConverter);
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void SerializeAttributes(nsIContent* aContent,
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nsIAtom* aTagName,
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nsAString& aStr);
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void SerializeLIValueAttribute(nsIDOMElement* aElement,
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nsAString& aStr);
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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,
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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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virtual void AppendToStringConvertLF(const nsAString& aStr,
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nsAString& aOutputStr);
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void AppendWrapped_WhitespaceSequence(
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nsASingleFragmentString::const_char_iterator &aPos,
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const nsASingleFragmentString::const_char_iterator aEnd,
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const nsASingleFragmentString::const_char_iterator aSequenceStart,
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PRBool &aMayIgnoreStartOfLineWhitespaceSequence,
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nsAString &aOutputStr);
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void AppendWrapped_NonWhitespaceSequence(
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nsASingleFragmentString::const_char_iterator &aPos,
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const nsASingleFragmentString::const_char_iterator aEnd,
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const nsASingleFragmentString::const_char_iterator aSequenceStart,
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PRBool &aMayIgnoreStartOfLineWhitespaceSequence,
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nsAString &aOutputStr);
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virtual void AppendToStringWrapped(const nsASingleFragmentString& aStr,
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nsAString& aOutputStr,
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PRBool aTranslateEntities);
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PRBool HasLongLines(const nsString& text, PRInt32& aLastNewlineOffset);
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nsresult EscapeURI(const nsAString& aURI, nsAString& aEscapedURI);
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PRBool IsJavaScript(nsIAtom* aAttrNameAtom, const nsAString& aAttrValueString);
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nsCOMPtr<nsIEntityConverter> mEntityConverter;
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PRInt32 mIndent;
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PRInt32 mColPos;
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PRUint32 mFlags;
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PRPackedBool mInBody;
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PRPackedBool mDoFormat;
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PRPackedBool mDoHeader;
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PRPackedBool mBodyOnly;
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PRPackedBool mIsCopying; // Set to PR_TRUE only while copying
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// Indicates that a space will be added if and only if content is
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// continued on the same line while serializing source. Otherwise,
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// the newline character acts as the whitespace and no space is needed.
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PRPackedBool mAddSpace;
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PRPackedBool mMayIgnoreLineBreakSequence;
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2007-08-10 17:38:53 -07:00
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// This is to ensure that we only do meta tag fixups when dealing with
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// whole documents.
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PRPackedBool mIsWholeDocument;
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// To keep track of First LI child of OL in selected range
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PRPackedBool mIsFirstChildOfOL;
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PRInt32 mPreLevel;
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/*
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* mInCDATA is set to PR_TRUE while the serializer is serializing
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* the content of a element whose content is considerd CDATA by the
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* serializer (such elements are 'script', 'style', 'noscript' and
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* possibly others) This doesn't have anything to do with if the
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* element is defined as CDATA in the DTD, it simply means we'll
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* output the content of the element without doing any entity encoding
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* what so ever.
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*/
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PRPackedBool mInCDATA;
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PRPackedBool mNeedLineBreaker;
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nsCOMPtr<nsILineBreaker> mLineBreaker;
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PRInt32 mMaxColumn;
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nsString mLineBreak;
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// To keep track of startvalue of OL and first list item for nested lists
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struct olState {
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olState(PRInt32 aStart, PRBool aIsFirst):startVal(aStart),isFirstListItem(aIsFirst)
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{
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}
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PRInt32 startVal;
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PRBool isFirstListItem;
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};
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nsAutoVoidArray mOLStateStack;// Stack to store one olState struct per <OL>.
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};
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nsresult
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NS_NewHTMLContentSerializer(nsIContentSerializer** aSerializer);
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#endif
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