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71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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// ===========================================================================
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// CPasteSnooper.h
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// an attachment for filtering characters from a paste command
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// ===========================================================================
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#pragma once
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#include <LAttachment.h>
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class CStr31;
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#define ONLY_TAKE_FIRST_LINE "\r\n", "\f\f"
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#define MAKE_RETURNS_SPACES "\r\n", " "
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#define DELETE_RETURNS "\r\n", "\b\b"
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//========================================================================================
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class CPasteSnooper : public LAttachment
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// an attachment for filtering characters from a paste command
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//========================================================================================
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{
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public:
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// inFind is a pascal string of characters that you
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// don't want to allow the user to paste. inReplace is
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// a pascal string of characters to replace the inFind
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// characters with. ie every instance of inFind[1] is
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// replaced with inReplace[1]. to specify that a certain
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// character is to be simply deleted, put the character in
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// inFind at any location i and set inReplace[i] to
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// '\b'. The '\b' code is reserved for deleting characters
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// A '\f' in inReplace[i] means that we only take characters up
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// to the first occurence of inFind[i] and discard everything
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// after that. \a in inReplace[i] means that leading occurences
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// of inFind[i] should be stripped
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CPasteSnooper (char *inFind, char *inReplace);
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virtual ~CPasteSnooper();
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protected:
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// this creates a CPasteActionSnooper to really do the paste
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virtual void ExecuteSelf(MessageT inMessage, void *ioParam);
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// Data
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protected:
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// characters that we're not allowing the user to paste
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char *mFind;
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// characters used to replace those found in mFilter. '\b' if
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// we're supposed to delete a char rather than replace it
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char *mReplace;
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UInt32 mMaxChars;
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}; // class CPasteSnooper
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