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nsSpellCheckController.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Mozilla browser.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications, Inc.
00020  * Portions created by the Initial Developer are Copyright (C) 1999
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef nsSpellCheckController_h__
00040 #define nsSpellCheckController_h__
00041 
00042 #include "nsITextServicesDocument.h"
00043 #include "nsISpellCheckController.h"
00044 #include "nsIWordBreakerFactory.h" // nsIWordBreaker
00045 #include "nsIDOMNode.h"
00046 
00047 #include "nsISpellChecker.h"
00048 #include "nsSpellCheckUtils.h"     // CharBuffer
00049 
00053 class nsSpellCheckController : public nsISpellCheckController
00054 {
00055 public:
00056 
00059   nsSpellCheckController();
00060 
00063   virtual ~nsSpellCheckController();
00064 
00065   /* Macro for AddRef(), Release(), and QueryInterface() */
00066   NS_DECL_ISUPPORTS
00067 
00068   /* nsISpellChecker method implementations. */
00069   NS_DECL_NSISPELLCHECKCONTROLLER
00070 
00071 private:
00072 
00073   nsresult LoadTextBlockIntoBuffer();
00074   nsresult ReplaceAll(const nsString *aOldWord, const nsString *aNewWord);
00075   nsresult ReplaceAllOccurrences(const CharBuffer *aOldWord, const nsString *aNewWord);
00076   nsresult FindNextMisspelledWord(const PRUnichar* aText, 
00077                                   const PRUint32&  aTextLen,
00078                                   PRUint32&        aWLen,
00079                                   PRUint32&        aBeginWord,
00080                                   PRUint32&        aEndWord,
00081                                   PRUint32&        aOffset,
00082                                   PRUnichar*&      aWord,
00083                                   PRBool           aReturnWord,
00084                                   PRBool&          aIsMisspelled);
00085   nsresult SetDocument(nsITextServicesDocument *aDoc, nsIDOMRange* aInitialRange);
00086   nsresult FindBeginningOfWord(PRUint32& aPos);
00087 
00088   nsCOMPtr<nsITextServicesDocument> mDocument;
00089   CharBuffer      mBlockBuffer;
00090   CharBuffer      mWordBuffer;
00091 
00092   nsCOMPtr<nsIWordBreaker>      mWordBreaker;
00093   nsCOMPtr<nsISpellChecker>     mSpellChecker;
00094   nsString                      mText;
00095   PRUint32                      mOffset;   // starting offset to start spelling
00096   PRUint32                      mEndPoint; // end point of range to be spell checked
00097 
00098   nsCOMPtr<nsIDOMNode>          mStartNode;
00099   nsCOMPtr<nsIDOMNode>          mEndNode;
00100 };
00101 
00102 #define NS_SPELLCHECKCONTROLLER_CID                     \
00103 { /* 019718E4-CDB5-11d2-8D3C-000000000000 */    \
00104 0x019718e4, 0xcdb5, 0x11d2,                     \
00105 { 0x8d, 0x3c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } }
00106 
00107 
00108 #endif // nsSpellCheckController_h__