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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _TEXTDOC_HXX
#define _TEXTDOC_HXX

#include <svl/svarray.hxx>
#include <svtools/textdata.hxx>
#include <txtattr.hxx>

#include <tools/debug.hxx>
#include <tools/string.hxx>
#include <tools/list.hxx>

typedef TextCharAttrib* TextCharAttribPtr;
SV_DECL_PTRARR_DEL( TextCharAttribs, TextCharAttribPtr, 0, 4 )

class TextCharAttribList : private TextCharAttribs
{
private:
    BOOL			mbHasEmptyAttribs;

                    TextCharAttribList( const TextCharAttribList& ) : TextCharAttribs() {}

public:
                    TextCharAttribList();
                    ~TextCharAttribList();

    void			Clear( BOOL bDestroyAttribs );
    USHORT			Count()	const				{ return TextCharAttribs::Count(); }

    TextCharAttrib*	GetAttrib( USHORT n ) const	{ return TextCharAttribs::GetObject( n ); }
    void			RemoveAttrib( USHORT n )	{ TextCharAttribs::Remove( n, 1 ); }

    void			InsertAttrib( TextCharAttrib* pAttrib );

    void			DeleteEmptyAttribs();
    void			ResortAttribs();

    BOOL			HasEmptyAttribs() const	{ return mbHasEmptyAttribs; }
    BOOL&			HasEmptyAttribs() 		{ return mbHasEmptyAttribs; }

    TextCharAttrib*	FindAttrib( USHORT nWhich, USHORT nPos );
    TextCharAttrib*	FindNextAttrib( USHORT nWhich, USHORT nFromPos, USHORT nMaxPos = 0xFFFF ) const;
    TextCharAttrib*	FindEmptyAttrib( USHORT nWhich, USHORT nPos );
    BOOL 			HasAttrib( USHORT nWhich ) const;
    BOOL			HasBoundingAttrib( USHORT nBound );

#ifdef  DBG_UTIL
    BOOL 			DbgCheckAttribs();
#endif
};


class TextNode
{
private:
    String				maText;
    TextCharAttribList	maCharAttribs;

                        TextNode( const TextNode& ) {;}
protected:
    void				ExpandAttribs( USHORT nIndex, USHORT nNewChars );
    void				CollapsAttribs( USHORT nIndex, USHORT nDelChars );

public:
                        TextNode( const String& rText );


    const String&				GetText() const 		{ return maText; }

    const TextCharAttribList&	GetCharAttribs() const	{ return maCharAttribs; }
    TextCharAttribList&			GetCharAttribs() 		{ return maCharAttribs; }

    void				InsertText( USHORT nPos, const String& rText );
    void				InsertText( USHORT nPos, sal_Unicode c );
    void 				RemoveText( USHORT nPos, USHORT nChars );

    TextNode*			Split( USHORT nPos, BOOL bKeepEndigAttribs );
    void				Append( const TextNode& rNode );
};

class TextDoc
{
private:
    ToolsList<TextNode*> maTextNodes;
    USHORT				mnLeftMargin;

protected:
    void				DestroyTextNodes();

public:
                        TextDoc();
                        ~TextDoc();

    void				Clear();

    ToolsList<TextNode*>&		GetNodes() 				{ return maTextNodes; }
    const ToolsList<TextNode*>&	GetNodes() const 		{ return maTextNodes; }

    TextPaM				RemoveChars( const TextPaM& rPaM, USHORT nChars );
    TextPaM				InsertText( const TextPaM& rPaM, sal_Unicode c );
    TextPaM				InsertText( const TextPaM& rPaM, const String& rStr );

    TextPaM				InsertParaBreak( const TextPaM& rPaM, BOOL bKeepEndingAttribs );
    TextPaM				ConnectParagraphs( TextNode* pLeft, TextNode* pRight );

    ULONG				GetTextLen( const sal_Unicode* pSep, const TextSelection* pSel = NULL ) const;
    String				GetText( const sal_Unicode* pSep ) const;
    String				GetText( ULONG nPara ) const;

    void				SetLeftMargin( USHORT n )	{ mnLeftMargin = n; }
    USHORT				GetLeftMargin() const		{ return mnLeftMargin; }

//	BOOL				RemoveAttribs( TextNode* pNode, USHORT nStart, USHORT nEnd ), USHORT nWhich = 0 );
//	BOOL				RemoveAttribs( TextNode* pNode, USHORT nStart, USHORT nEnd, TextCharAttrib*& rpStarting, TextCharAttrib*& rpEnding, USHORT nWhich = 0 );
//	void				InsertAttrib( const EditCharAttrib* pAttr );
//	void				InsertAttribInSelection( const EditCharAttrib* pAttr );
//	void				FindAttribs( TextNode* pNode, USHORT nStartPos, USHORT nEndPos, SfxItemSet& rCurSet );

    BOOL				IsValidPaM( const TextPaM& rPaM );
};

#endif // _TEXTDOC_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */