зеркало из https://github.com/mozilla/pjs.git
First cut at the plain text serializer. The bulk of this code froms the old nsHTMLToTXTSinkStream. This is not part of the build.
This commit is contained in:
vidur%netscape.com
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1bf469d51f
Коммит
37c7853e01
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@ -0,0 +1,184 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
|
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* the License at http://www.mozilla.org/NPL/
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||||
*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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||||
* implied. See the License for the specific language governing
|
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsPlainTextSerializer_h__
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#define nsPlainTextSerializer_h__
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#include "nsIContentSerializer.h"
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#include "nsIHTMLContentSink.h"
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#include "nsHTMLTags.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsILineBreaker.h"
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#include "nsIParserService.h"
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#include "nsIContent.h"
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#include "nsIAtom.h"
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class nsPlainTextSerializer : public nsIContentSerializer,
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public nsIHTMLContentSink
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{
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public:
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nsPlainTextSerializer();
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virtual ~nsPlainTextSerializer();
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NS_DECL_ISUPPORTS
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// nsIContentSerializer
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NS_IMETHOD Init(PRUint32 flags, PRUint32 aWrapColumn);
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NS_IMETHOD AppendText(nsIDOMText* aText, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAWritableString& aStr);
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NS_IMETHOD AppendCDATASection(nsIDOMCDATASection* aCDATASection,
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PRInt32 aStartOffset, PRInt32 aEndOffset,
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nsAWritableString& aStr) { return NS_OK; }
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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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nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendComment(nsIDOMComment* aComment, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendDoctype(nsIDOMDocumentType *aDoctype,
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nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendElementStart(nsIDOMElement *aElement,
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nsAWritableString& aStr);
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NS_IMETHOD AppendElementEnd(nsIDOMElement *aElement,
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nsAWritableString& aStr);
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// nsIContentSink
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NS_IMETHOD WillBuildModel(void) { return NS_OK; }
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NS_IMETHOD DidBuildModel(PRInt32 aQualityLevel) { return NS_OK; }
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NS_IMETHOD WillInterrupt(void) { return NS_OK; }
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NS_IMETHOD WillResume(void) { return NS_OK; }
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NS_IMETHOD SetParser(nsIParser* aParser) { return NS_OK; }
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NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
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NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
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NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
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NS_IMETHOD NotifyError(const nsParserError* aError) { return NS_OK; }
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NS_IMETHOD AddComment(const nsIParserNode& aNode) { return NS_OK; }
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NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) { return NS_OK; }
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NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0) { return NS_OK; }
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NS_IMETHOD FlushPendingNotifications() { return NS_OK; }
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// nsIHTMLContentSink
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NS_IMETHOD SetTitle(const nsString& aValue) { return NS_OK; }
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NS_IMETHOD OpenHTML(const nsIParserNode& aNode);
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NS_IMETHOD CloseHTML(const nsIParserNode& aNode);
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NS_IMETHOD OpenHead(const nsIParserNode& aNode);
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NS_IMETHOD CloseHead(const nsIParserNode& aNode);
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NS_IMETHOD OpenBody(const nsIParserNode& aNode);
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NS_IMETHOD CloseBody(const nsIParserNode& aNode);
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NS_IMETHOD OpenForm(const nsIParserNode& aNode);
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NS_IMETHOD CloseForm(const nsIParserNode& aNode);
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NS_IMETHOD OpenMap(const nsIParserNode& aNode);
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NS_IMETHOD CloseMap(const nsIParserNode& aNode);
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NS_IMETHOD OpenFrameset(const nsIParserNode& aNode);
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NS_IMETHOD CloseFrameset(const nsIParserNode& aNode);
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NS_IMETHOD OpenNoscript(const nsIParserNode& aNode);
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NS_IMETHOD CloseNoscript(const nsIParserNode& aNode);
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NS_IMETHOD DoFragment(PRBool aFlag);
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NS_IMETHOD BeginContext(PRInt32 aPosition) { return NS_OK; }
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NS_IMETHOD EndContext(PRInt32 aPosition) { return NS_OK; }
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protected:
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nsresult GetAttributeValue(nsIAtom* aName, nsString& aValueRet);
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void AddToLine(const PRUnichar* aStringToAdd, PRInt32 aLength);
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void EndLine(PRBool softlinebreak);
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void EnsureVerticalSpace(PRInt32 noOfRows);
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void FlushLine();
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void WriteQuotesAndIndent();
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void WriteSimple(nsString& aString);
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void Write(const nsString& aString);
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PRBool DoOutput();
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PRBool MayWrap();
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PRBool IsBlockLevel(nsIAtom* aAtom);
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PRBool IsContainer(nsIAtom* aAtom);
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PRBool IsCurrentNodeConverted();
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nsresult GetIdForContent(nsIContent* aContent, PRInt32* aID);
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nsresult GetParserService(nsIParserService** aParserService);
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nsresult DoOpenContainer(PRInt32 aTag,
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nsIAtom* aName);
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nsresult DoCloseContainer(PRInt32 aTag,
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nsIAtom* aName);
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nsresult DoAddLeaf(PRInt32 aTag,
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const nsString& aText);
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protected:
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nsString mCurrentLine;
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PRBool mInHead;
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PRInt32 mIndent;
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// mInIndentString keeps a header that has to be written in the indent.
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// That could be, for instance, the bullet in a bulleted list.
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nsString mInIndentString;
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PRInt32 mCiteQuoteLevel;
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PRInt32 mColPos;
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PRInt32 mFlags;
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// The wrap column is how many standard sized chars (western languages)
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// should be allowed on a line. There could be less chars if the chars
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// are wider than latin chars of more if the chars are more narrow.
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PRUint32 mWrapColumn;
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// The width of the line as it will appear on the screen (approx.)
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PRUint32 mCurrentLineWidth;
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PRBool mDoFragment;
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PRInt32 mEmptyLines; // Will be the number of empty lines before
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// the current. 0 if we are starting a new
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// line and -1 if we are in a line.
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PRBool mInWhitespace;
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PRBool mPreFormatted;
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PRBool mCacheLine; // If the line should be cached before output. This makes it possible to do smarter wrapping.
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PRBool mStartedOutput; // we've produced at least a character
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nsString mURL;
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PRBool mStructs; // Output structs (pref)
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PRInt32 mHeaderStrategy; /* Header strategy (pref)
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0 = no indention
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1 = indention, increased with
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header level (default)
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2 = numbering and slight indention */
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PRInt32 mHeaderCounter[7]; /* For header-numbering:
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Number of previous headers of
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the same depth and in the same
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section.
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mHeaderCounter[1] for <h1> etc. */
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nsCOMPtr<nsIContent> mContent;
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nsIParserNode* mParserNode;
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nsAWritableString* mOutputString;
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// The tag stack: the stack of tags we're operating on, so we can nest:
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nsHTMLTag *mTagStack;
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PRUint32 mTagStackIndex;
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// The stack for ordered lists:
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PRInt32 *mOLStack;
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PRUint32 mOLStackIndex;
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nsString mLineBreak;
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nsCOMPtr<nsILineBreaker> mLineBreaker;
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nsCOMPtr<nsIParserService> mParserService;
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};
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#endif
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Разница между файлами не показана из-за своего большого размера
Загрузить разницу
|
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@ -0,0 +1,184 @@
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|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape 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/NPL/
|
||||
*
|
||||
* 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 mozilla.org code.
|
||||
*
|
||||
* The Initial Developer of the Original Code is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All
|
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* Rights Reserved.
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||||
*
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* Contributor(s):
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*/
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#ifndef nsPlainTextSerializer_h__
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#define nsPlainTextSerializer_h__
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#include "nsIContentSerializer.h"
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#include "nsIHTMLContentSink.h"
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#include "nsHTMLTags.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsILineBreaker.h"
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#include "nsIParserService.h"
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#include "nsIContent.h"
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#include "nsIAtom.h"
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class nsPlainTextSerializer : public nsIContentSerializer,
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public nsIHTMLContentSink
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{
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public:
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nsPlainTextSerializer();
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virtual ~nsPlainTextSerializer();
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NS_DECL_ISUPPORTS
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// nsIContentSerializer
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NS_IMETHOD Init(PRUint32 flags, PRUint32 aWrapColumn);
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NS_IMETHOD AppendText(nsIDOMText* aText, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAWritableString& aStr);
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NS_IMETHOD AppendCDATASection(nsIDOMCDATASection* aCDATASection,
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PRInt32 aStartOffset, PRInt32 aEndOffset,
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nsAWritableString& aStr) { return NS_OK; }
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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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nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendComment(nsIDOMComment* aComment, PRInt32 aStartOffset,
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PRInt32 aEndOffset, nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendDoctype(nsIDOMDocumentType *aDoctype,
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nsAWritableString& aStr) { return NS_OK; }
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NS_IMETHOD AppendElementStart(nsIDOMElement *aElement,
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nsAWritableString& aStr);
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NS_IMETHOD AppendElementEnd(nsIDOMElement *aElement,
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nsAWritableString& aStr);
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// nsIContentSink
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NS_IMETHOD WillBuildModel(void) { return NS_OK; }
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NS_IMETHOD DidBuildModel(PRInt32 aQualityLevel) { return NS_OK; }
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NS_IMETHOD WillInterrupt(void) { return NS_OK; }
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NS_IMETHOD WillResume(void) { return NS_OK; }
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NS_IMETHOD SetParser(nsIParser* aParser) { return NS_OK; }
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NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
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NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
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NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
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NS_IMETHOD NotifyError(const nsParserError* aError) { return NS_OK; }
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NS_IMETHOD AddComment(const nsIParserNode& aNode) { return NS_OK; }
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NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) { return NS_OK; }
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NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0) { return NS_OK; }
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NS_IMETHOD FlushPendingNotifications() { return NS_OK; }
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// nsIHTMLContentSink
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NS_IMETHOD SetTitle(const nsString& aValue) { return NS_OK; }
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NS_IMETHOD OpenHTML(const nsIParserNode& aNode);
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NS_IMETHOD CloseHTML(const nsIParserNode& aNode);
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NS_IMETHOD OpenHead(const nsIParserNode& aNode);
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NS_IMETHOD CloseHead(const nsIParserNode& aNode);
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NS_IMETHOD OpenBody(const nsIParserNode& aNode);
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NS_IMETHOD CloseBody(const nsIParserNode& aNode);
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NS_IMETHOD OpenForm(const nsIParserNode& aNode);
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NS_IMETHOD CloseForm(const nsIParserNode& aNode);
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NS_IMETHOD OpenMap(const nsIParserNode& aNode);
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NS_IMETHOD CloseMap(const nsIParserNode& aNode);
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NS_IMETHOD OpenFrameset(const nsIParserNode& aNode);
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NS_IMETHOD CloseFrameset(const nsIParserNode& aNode);
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NS_IMETHOD OpenNoscript(const nsIParserNode& aNode);
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NS_IMETHOD CloseNoscript(const nsIParserNode& aNode);
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NS_IMETHOD DoFragment(PRBool aFlag);
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NS_IMETHOD BeginContext(PRInt32 aPosition) { return NS_OK; }
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NS_IMETHOD EndContext(PRInt32 aPosition) { return NS_OK; }
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protected:
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nsresult GetAttributeValue(nsIAtom* aName, nsString& aValueRet);
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void AddToLine(const PRUnichar* aStringToAdd, PRInt32 aLength);
|
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void EndLine(PRBool softlinebreak);
|
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void EnsureVerticalSpace(PRInt32 noOfRows);
|
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void FlushLine();
|
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void WriteQuotesAndIndent();
|
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void WriteSimple(nsString& aString);
|
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void Write(const nsString& aString);
|
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PRBool DoOutput();
|
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PRBool MayWrap();
|
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PRBool IsBlockLevel(nsIAtom* aAtom);
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PRBool IsContainer(nsIAtom* aAtom);
|
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PRBool IsCurrentNodeConverted();
|
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nsresult GetIdForContent(nsIContent* aContent, PRInt32* aID);
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nsresult GetParserService(nsIParserService** aParserService);
|
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nsresult DoOpenContainer(PRInt32 aTag,
|
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nsIAtom* aName);
|
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nsresult DoCloseContainer(PRInt32 aTag,
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nsIAtom* aName);
|
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nsresult DoAddLeaf(PRInt32 aTag,
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const nsString& aText);
|
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|
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protected:
|
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nsString mCurrentLine;
|
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|
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PRBool mInHead;
|
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PRInt32 mIndent;
|
||||
// mInIndentString keeps a header that has to be written in the indent.
|
||||
// That could be, for instance, the bullet in a bulleted list.
|
||||
nsString mInIndentString;
|
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PRInt32 mCiteQuoteLevel;
|
||||
PRInt32 mColPos;
|
||||
PRInt32 mFlags;
|
||||
|
||||
// The wrap column is how many standard sized chars (western languages)
|
||||
// should be allowed on a line. There could be less chars if the chars
|
||||
// are wider than latin chars of more if the chars are more narrow.
|
||||
PRUint32 mWrapColumn;
|
||||
|
||||
// The width of the line as it will appear on the screen (approx.)
|
||||
PRUint32 mCurrentLineWidth;
|
||||
|
||||
PRBool mDoFragment;
|
||||
PRInt32 mEmptyLines; // Will be the number of empty lines before
|
||||
// the current. 0 if we are starting a new
|
||||
// line and -1 if we are in a line.
|
||||
PRBool mInWhitespace;
|
||||
PRBool mPreFormatted;
|
||||
PRBool mCacheLine; // If the line should be cached before output. This makes it possible to do smarter wrapping.
|
||||
PRBool mStartedOutput; // we've produced at least a character
|
||||
|
||||
nsString mURL;
|
||||
PRBool mStructs; // Output structs (pref)
|
||||
PRInt32 mHeaderStrategy; /* Header strategy (pref)
|
||||
0 = no indention
|
||||
1 = indention, increased with
|
||||
header level (default)
|
||||
2 = numbering and slight indention */
|
||||
PRInt32 mHeaderCounter[7]; /* For header-numbering:
|
||||
Number of previous headers of
|
||||
the same depth and in the same
|
||||
section.
|
||||
mHeaderCounter[1] for <h1> etc. */
|
||||
|
||||
nsCOMPtr<nsIContent> mContent;
|
||||
nsIParserNode* mParserNode;
|
||||
|
||||
nsAWritableString* mOutputString;
|
||||
|
||||
// The tag stack: the stack of tags we're operating on, so we can nest:
|
||||
nsHTMLTag *mTagStack;
|
||||
PRUint32 mTagStackIndex;
|
||||
|
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// The stack for ordered lists:
|
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PRInt32 *mOLStack;
|
||||
PRUint32 mOLStackIndex;
|
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|
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nsString mLineBreak;
|
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nsCOMPtr<nsILineBreaker> mLineBreaker;
|
||||
nsCOMPtr<nsIParserService> mParserService;
|
||||
};
|
||||
|
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#endif
|
||||
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