234 lines
7.6 KiB
C++
234 lines
7.6 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: layhelp.hxx,v $
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*
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* $Revision: 1.1 $
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*
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* last change: $Author: ama $ $Date: 2001-05-29 12:41:00 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source 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 the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _LAYHELP_HXX
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#define _LAYHELP_HXX
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#ifndef _SVSTDARR_HXX
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#define _SVSTDARR_USHORTS
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#define _SVSTDARR_ULONGS
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#define _SVSTDARR_BYTES
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#define _SVSTDARR_XUB_STRLEN
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#include <svtools/svstdarr.hxx>
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#endif
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class SwDoc;
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class SwFrm;
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class SwLayoutFrm;
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class SwPageFrm;
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class SwSectionFrm;
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class SwSectionNode;
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class SwLayoutCache;
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class SvStream;
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/*************************************************************************
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* class SwLayCacheImpl
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* contains the page break information of the document (after loading)
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* and is used inside the constructor of the layout rootframe to
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* insert content at the right pages.
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* For every page of the main text (body content, no footnotes, text frames etc.)
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* we have the nodeindex of the first content at the page,
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* the type of content ( table or paragraph )
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* and if it's not the first part of the table/paragraph,
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* the row/character-offset inside the table/paragraph.
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*************************************************************************/
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class SwLayCacheImpl : public SvULongs
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{
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SvXub_StrLens aOffset;
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SvUShorts aType;
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void Insert( USHORT nType, ULONG nIndex, xub_StrLen nOffset );
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public:
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SwLayCacheImpl() : SvULongs( 20, 10 ), aOffset( 20, 10 ), aType( 20, 10 ) {}
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BOOL Read( SvStream& rStream );
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ULONG GetBreakIndex( USHORT nIdx ) const { return GetObject( nIdx ); }
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xub_StrLen GetBreakOfst( USHORT nIdx ) const { return aOffset[ nIdx ]; }
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USHORT GetBreakType( USHORT nIdx ) const { return aType[ nIdx ]; }
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};
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/*************************************************************************
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* class SwActualSection
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* helps to create the sectionframes during the _InsertCnt-function
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* by controlling nested sections.
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*************************************************************************/
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class SwActualSection
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{
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SwActualSection *pUpper;
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SwSectionFrm *pSectFrm;
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SwSectionNode *pSectNode;
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public:
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SwActualSection( SwActualSection *pUpper,
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SwSectionFrm *pSect,
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SwSectionNode *pNd );
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SwSectionFrm *GetSectionFrm() { return pSectFrm; }
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void SetSectionFrm( SwSectionFrm *p ) { pSectFrm = p; }
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SwSectionNode *GetSectionNode() { return pSectNode;}
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SwActualSection *GetUpper() { return pUpper; }
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};
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/*************************************************************************
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* class SwLayHelper
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* helps during the _InsertCnt-function to create new pages.
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* If there's a layoutcache available, this information is used.
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*************************************************************************/
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class SwLayHelper
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{
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SwFrm* &rpFrm;
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SwFrm* &rpPrv;
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SwPageFrm* &rpPage;
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SwLayoutFrm* &rpLay;
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SwActualSection* &rpActualSection;
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BOOL &rbBreakAfter;
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SwDoc* pDoc;
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SwLayCacheImpl* pImpl;
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ULONG nMaxParaPerPage;
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ULONG nParagraphCnt;
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ULONG nStartOfContent;
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USHORT nIndex;
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BOOL bFirst : 1;
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public:
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SwLayHelper( SwDoc *pD, SwFrm* &rpF, SwFrm* &rpP, SwPageFrm* &rpPg,
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SwLayoutFrm* &rpL, SwActualSection* &rpA, BOOL &rBrk,
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ULONG nNodeIndex, BOOL bCache );
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~SwLayHelper();
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ULONG CalcPageCount();
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BOOL CheckInsert( ULONG nNodeIndex );
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BOOL BreakPage( xub_StrLen& rOffs, ULONG nNodeIndex );
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BOOL CheckInsertPage();
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};
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/*************************************************************************
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* class SwLayCacheIoImpl
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* contains the data structures that are required to read and write a
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* layout cache.
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*************************************************************************/
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#define SW_LAYCACHE_IO_REC_PAGES 'p'
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#define SW_LAYCACHE_IO_REC_PARA 'P'
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#define SW_LAYCACHE_IO_REC_TABLE 'T'
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#define SW_LAYCACHE_IO_VERSION_MAJOR 1
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#define SW_LAYCACHE_IO_VERSION_MINOR 0
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class SwLayCacheIoImpl
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{
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SvBytes aRecTypes;
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SvULongs aRecSizes;
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SvStream *pStream;
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ULONG nFlagRecEnd;
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USHORT nMajorVersion;
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USHORT nMinorVersion;
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BOOL bWriteMode : 1;
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BOOL bError : 1;
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public:
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SwLayCacheIoImpl( SvStream& rStrm, BOOL bWrtMd );
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// Get input or output stream
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SvStream& GetStream() const { return *pStream; }
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// Open a record of type "nType"
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BOOL OpenRec( BYTE nType );
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// Close a record of type "nType". This skips any unread data that
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// remains in the record.
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BOOL CloseRec( BYTE nType );
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// Return the number of bytes contained in the current record that
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// haven't been read by now.
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UINT32 BytesLeft();
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// Return the current record's type
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BYTE Peek();
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// Skip the current record
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void SkipRec();
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// Open a flag record for reading. The uppermost four bits are flags,
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// while the lowermost are the flag record's size. Flag records cannot
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// be nested.
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BYTE OpenFlagRec();
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// Open flag record for writing;
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void OpenFlagRec( BYTE nFlags, BYTE nLen );
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// Close a flag record. Any bytes left are skipped.
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void CloseFlagRec();
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BOOL HasError() const { return bError; }
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USHORT GetMajorVersion() const { return nMajorVersion; }
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USHORT GetMinorVersion() const { return nMinorVersion; }
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};
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#endif
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