зеркало из https://github.com/mozilla/pjs.git
209 строки
7.7 KiB
C++
209 строки
7.7 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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* Laurent Jouanneau <laurent.jouanneau@disruptive-innovations.com>
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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 XHTML (not HTML!) DOM to an XHTML
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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 nsXHTMLContentSerializer_h__
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#define nsXHTMLContentSerializer_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 "nsTArray.h"
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class nsIContent;
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class nsIAtom;
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class nsXHTMLContentSerializer : public nsXMLContentSerializer {
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public:
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nsXHTMLContentSerializer();
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virtual ~nsXHTMLContentSerializer();
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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 aRewriteEncodingDeclaration);
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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 AppendDocumentStart(nsIDOMDocument *aDocument,
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nsAString& aStr);
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protected:
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virtual PRBool CheckElementStart(nsIContent * aContent,
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PRBool & aForceFormat,
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nsAString& aStr);
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virtual void AppendEndOfElementStart(nsIDOMElement *aOriginalElement,
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nsIAtom * aName,
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PRInt32 aNamespaceID,
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nsAString& aStr);
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virtual void AfterElementStart(nsIContent * aContent,
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nsIDOMElement *aOriginalElement,
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nsAString& aStr);
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virtual PRBool CheckElementEnd(nsIContent * aContent,
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PRBool & aForceFormat,
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nsAString& aStr);
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virtual void AfterElementEnd(nsIContent * aContent,
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nsAString& aStr);
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virtual PRBool LineBreakBeforeOpen(PRInt32 aNamespaceID, nsIAtom* aName);
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virtual PRBool LineBreakAfterOpen(PRInt32 aNamespaceID, nsIAtom* aName);
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virtual PRBool LineBreakBeforeClose(PRInt32 aNamespaceID, nsIAtom* aName);
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virtual PRBool LineBreakAfterClose(PRInt32 aNamespaceID, nsIAtom* aName);
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PRBool HasLongLines(const nsString& text, PRInt32& aLastNewlineOffset);
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// functions to check if we enter in or leave from a preformated content
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virtual void MaybeEnterInPreContent(nsIContent* aNode);
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virtual void MaybeLeaveFromPreContent(nsIContent* aNode);
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virtual void SerializeAttributes(nsIContent* aContent,
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nsIDOMElement *aOriginalElement,
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nsAString& aTagPrefix,
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const nsAString& aTagNamespaceURI,
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nsIAtom* aTagName,
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nsAString& aStr,
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PRUint32 aSkipAttr,
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PRBool aAddNSAttr);
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PRBool IsFirstChildOfOL(nsIDOMElement* aElement);
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void SerializeLIValueAttribute(nsIDOMElement* aElement,
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nsAString& aStr);
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PRBool IsShorthandAttr(const nsIAtom* aAttrName,
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const nsIAtom* aElementName);
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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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virtual void AppendAndTranslateEntities(const nsAString& aStr,
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nsAString& aOutputStr);
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virtual void AppendToStringConvertLF(const nsAString& aStr,
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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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virtual void AppendToStringFormatedWrapped(const nsASingleFragmentString& aStr,
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nsAString& aOutputStr);
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nsresult EscapeURI(nsIContent* aContent,
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const nsAString& aURI,
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nsAString& aEscapedURI);
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nsCOMPtr<nsIEntityConverter> mEntityConverter;
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PRInt32 mInBody;
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/*
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* isHTMLParser should be set to true by the HTML parser which inherits from
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* this class. It avoids to redefine methods just for few changes.
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*/
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PRPackedBool mIsHTMLSerializer;
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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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/*
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* mDisableEntityEncoding is higher than 0 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 in XHTML) 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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PRInt32 mDisableEntityEncoding;
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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 mRewriteEncodingDeclaration;
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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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// 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)
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: startVal(aStart),
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isFirstListItem(aIsFirst)
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{
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}
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olState(const olState & aOlState)
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{
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startVal = aOlState.startVal;
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isFirstListItem = aOlState.isFirstListItem;
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}
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// the value of the start attribute in the OL
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PRInt32 startVal;
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// is true only before the serialization of the first li of an ol
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// should be false for other li in the list
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PRBool isFirstListItem;
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};
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// Stack to store one olState struct per <OL>.
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nsAutoTArray<olState, 8> mOLStateStack;
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};
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nsresult
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NS_NewXHTMLContentSerializer(nsIContentSerializer** aSerializer);
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#endif
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