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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/* -*- 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
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsITextContent_h___
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#define nsITextContent_h___
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#include "nslayout.h"
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class nsString;
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class nsTextFragment;
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class nsIContent;
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// IID for the nsITextContent interface
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#define NS_ITEXT_CONTENT_IID \
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{0xa6cf9065, 0x15b3, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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/**
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* Interface for textual content. This interface is used to provide
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* an efficient access to text content.
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*/
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class nsITextContent : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_ITEXT_CONTENT_IID; return iid; }
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/**
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* Get direct access to the text in the text content.
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*/
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NS_IMETHOD GetText(const nsTextFragment*& aFragmentsResult,
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PRInt32& aNumFragmentsResult) = 0;
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/**
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* Set the text to the given value. If aNotify is PR_TRUE then
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* the document is notified of the content change.
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*/
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NS_IMETHOD SetText(const PRUnichar* aBuffer,
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PRInt32 aLength,
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PRBool aNotify) = 0;
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/**
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* Set the text to the given value. If aNotify is PR_TRUE then
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* the document is notified of the content change.
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*/
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NS_IMETHOD SetText(const char* aBuffer,
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PRInt32 aLength,
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PRBool aNotify) = 0;
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/**
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* Query method to see if the frame is nothing but whitespace
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*/
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NS_IMETHOD IsOnlyWhitespace(PRBool* aResult) = 0;
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};
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// XXX These belong elsewhere
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extern nsresult
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NS_NewTextNode(nsIContent** aResult);
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extern nsresult
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NS_NewCommentNode(nsIContent** aResult);
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#endif /* nsITextContent_h___ */
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