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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <hintids.hxx>
#include <tools/stream.hxx>
#include <comphelper/string.hxx>
#include <editeng/fontitem.hxx>
#include <pam.hxx>
#include <doc.hxx>
#include <ndtxt.hxx>
#include <wrtasc.hxx>
#include <txatbase.hxx>
#include <fchrfmt.hxx>
#include <txtfld.hxx>
#include <txtatr.hxx>
#include <fmtftn.hxx>
#include <charfmt.hxx>
#include <fmtfld.hxx>
#include <fldbas.hxx>
#include <ftninfo.hxx>
#include <algorithm>
/*
* This file contains all output functions of the ASCII-Writer;
* For all nodes, attributes, formats and chars.
*/
class SwASC_AttrIter
{
SwASCWriter& rWrt;
const SwTextNode& rNd;
sal_Int32 nAktSwPos;
sal_Int32 SearchNext( sal_Int32 nStartPos );
public:
SwASC_AttrIter( SwASCWriter& rWrt, const SwTextNode& rNd, sal_Int32 nStt );
void NextPos()
{
nAktSwPos = SearchNext( nAktSwPos + 1 );
}
sal_Int32 WhereNext() const
{
return nAktSwPos;
}
bool OutAttr( sal_Int32 nSwPos );
};
SwASC_AttrIter::SwASC_AttrIter(
SwASCWriter& rWr,
const SwTextNode& rTextNd,
sal_Int32 nStt )
: rWrt( rWr )
, rNd( rTextNd )
, nAktSwPos( 0 )
{
nAktSwPos = SearchNext( nStt + 1 );
}
sal_Int32 SwASC_AttrIter::SearchNext( sal_Int32 nStartPos )
{
sal_Int32 nMinPos = SAL_MAX_INT32;
const SwpHints* pTextAttrs = rNd.GetpSwpHints();
if( pTextAttrs )
{
// TODO: This can be optimized, if we make use of the fact that the TextAttrs
// are sorted by starting position. We would need to remember two indices, however.
for ( size_t i = 0; i < pTextAttrs->Count(); ++i )
{
const SwTextAttr* pHt = (*pTextAttrs)[i];
if ( pHt->HasDummyChar() )
{
sal_Int32 nPos = pHt->GetStart();
if( nPos >= nStartPos && nPos <= nMinPos )
nMinPos = nPos;
if( ( ++nPos ) >= nStartPos && nPos < nMinPos )
nMinPos = nPos;
}
else if ( pHt->HasContent() )
{
const sal_Int32 nHintStart = pHt->GetStart();
if ( nHintStart >= nStartPos && nHintStart <= nMinPos )
{
nMinPos = nHintStart;
}
const sal_Int32 nHintEnd = pHt->End() ? *pHt->End() : COMPLETE_STRING;
if ( nHintEnd >= nStartPos && nHintEnd < nMinPos )
{
nMinPos = nHintEnd;
}
}
}
}
return nMinPos;
}
bool SwASC_AttrIter::OutAttr( sal_Int32 nSwPos )
{
bool bRet = false;
const SwpHints* pTextAttrs = rNd.GetpSwpHints();
if( pTextAttrs )
{
for( size_t i = 0; i < pTextAttrs->Count(); ++i )
{
const SwTextAttr* pHt = (*pTextAttrs)[i];
if ( ( pHt->HasDummyChar()
|| pHt->HasContent() )
&& nSwPos == pHt->GetStart() )
{
bRet = true;
OUString sOut;
switch( pHt->Which() )
{
case RES_TXTATR_FIELD:
case RES_TXTATR_ANNOTATION:
case RES_TXTATR_INPUTFIELD:
sOut = static_txtattr_cast<SwTextField const*>(pHt)
->GetFormatField().GetField()->ExpandField(true);
break;
case RES_TXTATR_FTN:
{
const SwFormatFootnote& rFootnote = pHt->GetFootnote();
if( !rFootnote.GetNumStr().isEmpty() )
sOut = rFootnote.GetNumStr();
else if( rFootnote.IsEndNote() )
sOut = rWrt.pDoc->GetEndNoteInfo().aFormat.
GetNumStr( rFootnote.GetNumber() );
else
sOut = rWrt.pDoc->GetFootnoteInfo().aFormat.
GetNumStr( rFootnote.GetNumber() );
}
break;
}
if( !sOut.isEmpty() )
rWrt.Strm().WriteUnicodeOrByteText( sOut );
}
else if( nSwPos < pHt->GetStart() )
break;
}
}
return bRet;
}
// Output of the node
static Writer& OutASC_SwTextNode( Writer& rWrt, SwContentNode& rNode )
{
const SwTextNode& rNd = static_cast<SwTextNode&>(rNode);
sal_Int32 nStrPos = rWrt.pCurPam->GetPoint()->nContent.GetIndex();
const sal_Int32 nNodeEnd = rNd.Len();
sal_Int32 nEnd = nNodeEnd;
bool bLastNd = rWrt.pCurPam->GetPoint()->nNode == rWrt.pCurPam->GetMark()->nNode;
if( bLastNd )
nEnd = rWrt.pCurPam->GetMark()->nContent.GetIndex();
SwASC_AttrIter aAttrIter( static_cast<SwASCWriter&>(rWrt), rNd, nStrPos );
if( !nStrPos && rWrt.bExportPargraphNumbering )
{
OUString numString( rNd.GetNumString() );
if (!numString.isEmpty())
{
numString += " ";
rWrt.Strm().WriteUnicodeOrByteText(numString);
}
}
OUString aStr( rNd.GetText() );
if( rWrt.bASCII_ParaAsBlanc )
aStr = aStr.replace(0x0A, ' ');
const bool bExportSoftHyphens = RTL_TEXTENCODING_UCS2 == rWrt.GetAsciiOptions().GetCharSet() ||
RTL_TEXTENCODING_UTF8 == rWrt.GetAsciiOptions().GetCharSet();
for (;;) {
const sal_Int32 nNextAttr = std::min(aAttrIter.WhereNext(), nEnd);
if( !aAttrIter.OutAttr( nStrPos ))
{
OUString aOutStr( aStr.copy( nStrPos, nNextAttr - nStrPos ) );
if ( !bExportSoftHyphens )
aOutStr = comphelper::string::remove(aOutStr, CHAR_SOFTHYPHEN);
rWrt.Strm().WriteUnicodeOrByteText( aOutStr );
}
nStrPos = nNextAttr;
if (nStrPos >= nEnd)
{
break;
}
aAttrIter.NextPos();
}
if( !bLastNd ||
( ( !rWrt.bWriteClipboardDoc && !rWrt.bASCII_NoLastLineEnd )
&& !nStrPos && nEnd == nNodeEnd ) )
rWrt.Strm().WriteUnicodeOrByteText( static_cast<SwASCWriter&>(rWrt).GetLineEnd());
return rWrt;
}
/*
* Create the table for the ASCII function pointers to the output
* functon.
* There are local structures that only need to be known to the ASCII DLL.
*/
SwNodeFnTab aASCNodeFnTab = {
/* RES_TXTNODE */ OutASC_SwTextNode,
/* RES_GRFNODE */ 0,
/* RES_OLENODE */ 0
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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