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/*************************************************************************
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sdext.hxx"
#include "style.hxx"
#include "genericelements.hxx"
#include "xmlemitter.hxx"
#include "pdfiprocessor.hxx"
#include <rtl/ustrbuf.hxx>
#include <algorithm>
using namespace rtl;
using namespace pdfi;
#define USTR(x) rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( x ) )
StyleContainer::StyleContainer() :
m_nNextId( 1 )
{
}
sal_Int32 StyleContainer::impl_getStyleId( const Style& rStyle, bool bSubStyle )
{
sal_Int32 nRet = -1;
// construct HashedStyle to find or insert
HashedStyle aSearchStyle;
aSearchStyle.Name = rStyle.Name;
aSearchStyle.Properties = rStyle.Properties;
aSearchStyle.Contents = rStyle.Contents;
aSearchStyle.ContainedElement = rStyle.ContainedElement;
for( unsigned int n = 0; n < rStyle.SubStyles.size(); ++n )
aSearchStyle.SubStyles.push_back( impl_getStyleId( *rStyle.SubStyles[n], true ) );
std::hash_map< HashedStyle, sal_Int32, StyleHash >::iterator it =
m_aStyleToId.find( aSearchStyle );
if( it != m_aStyleToId.end() )
{
nRet = it->second;
HashedStyle& rFound = m_aIdToStyle[ nRet ];
// increase refcount on this style
rFound.RefCount++;
if( ! bSubStyle )
rFound.IsSubStyle = false;
}
else
{
nRet = m_nNextId++;
// create new style
HashedStyle& rNew = m_aIdToStyle[ nRet ];
rNew = aSearchStyle;
rNew.RefCount = 1;
rNew.IsSubStyle = bSubStyle;
// fill the style hash to find the id
m_aStyleToId[ rNew ] = nRet;
}
return nRet;
}
sal_Int32 StyleContainer::getStandardStyleId( const rtl::OString& rName )
{
PropertyMap aProps;
aProps[ USTR( "style:family" ) ] = rtl::OStringToOUString( rName, RTL_TEXTENCODING_UTF8 );
aProps[ USTR( "style:name" ) ] = USTR( "standard" );
Style aStyle( "style:style", aProps );
return getStyleId( aStyle );
}
const PropertyMap* StyleContainer::getProperties( sal_Int32 nStyleId ) const
{
std::hash_map< sal_Int32, HashedStyle >::const_iterator it =
m_aIdToStyle.find( nStyleId );
return it != m_aIdToStyle.end() ? &(it->second.Properties) : NULL;
}
sal_Int32 StyleContainer::setProperties( sal_Int32 nStyleId, const PropertyMap& rNewProps )
{
sal_Int32 nRet = -1;
std::hash_map< sal_Int32, HashedStyle >::iterator it =
m_aIdToStyle.find( nStyleId );
if( it != m_aIdToStyle.end() )
{
if( it->second.RefCount == 1 )
{
nRet = it->first;
// erase old hash to id mapping
m_aStyleToId.erase( it->second );
// change properties
it->second.Properties = rNewProps;
// fill in new hash to id mapping
m_aStyleToId[ it->second ] = nRet;
}
else
{
// decrease refcound on old instance
it->second.RefCount--;
// acquire new HashedStyle
HashedStyle aSearchStyle;
aSearchStyle.Name = it->second.Name;
aSearchStyle.Properties = rNewProps;
aSearchStyle.Contents = it->second.Contents;
aSearchStyle.ContainedElement = it->second.ContainedElement;
aSearchStyle.SubStyles = it->second.SubStyles;
aSearchStyle.IsSubStyle = it->second.IsSubStyle;
// find out whether this new style already exists
std::hash_map< HashedStyle, sal_Int32, StyleHash >::iterator new_it =
m_aStyleToId.find( aSearchStyle );
if( new_it != m_aStyleToId.end() )
{
nRet = new_it->second;
m_aIdToStyle[ nRet ].RefCount++;
}
else
{
nRet = m_nNextId++;
// create new style with new id
HashedStyle& rNew = m_aIdToStyle[ nRet ];
rNew = aSearchStyle;
rNew.RefCount = 1;
// fill style to id hash
m_aStyleToId[ aSearchStyle ] = nRet;
}
}
}
return nRet;
}
OUString StyleContainer::getStyleName( sal_Int32 nStyle ) const
{
OUStringBuffer aRet( 64 );
std::hash_map< sal_Int32, HashedStyle >::const_iterator style_it =
m_aIdToStyle.find( nStyle );
if( style_it != m_aIdToStyle.end() )
{
const HashedStyle& rStyle = style_it->second;
PropertyMap::const_iterator name_it = rStyle.Properties.find( USTR("style:name") );
if( name_it != rStyle.Properties.end() )
aRet.append( name_it->second );
else
{
PropertyMap::const_iterator fam_it = rStyle.Properties.find( USTR("style:family" ) );
OUString aStyleName;
if( fam_it != rStyle.Properties.end() )
{
aStyleName = fam_it->second;
}
else
aStyleName = OStringToOUString( rStyle.Name, RTL_TEXTENCODING_ASCII_US );
sal_Int32 nIndex = aStyleName.lastIndexOf( ':' );
aRet.append( aStyleName.copy( nIndex+1 ) );
aRet.append( nStyle );
}
}
else
{
aRet.appendAscii( "invalid style id " );
aRet.append( nStyle );
}
return aRet.makeStringAndClear();
}
void StyleContainer::impl_emitStyle( sal_Int32 nStyleId,
EmitContext& rContext,
ElementTreeVisitor& rContainedElemVisitor )
{
std::hash_map< sal_Int32, HashedStyle >::const_iterator it = m_aIdToStyle.find( nStyleId );
if( it != m_aIdToStyle.end() )
{
const HashedStyle& rStyle = it->second;
PropertyMap aProps( rStyle.Properties );
if( !rStyle.IsSubStyle )
aProps[ USTR( "style:name" ) ] = getStyleName( nStyleId );
rContext.rEmitter.beginTag( rStyle.Name.getStr(), aProps );
for( unsigned int n = 0; n < rStyle.SubStyles.size(); ++n )
impl_emitStyle( rStyle.SubStyles[n], rContext, rContainedElemVisitor );
if( rStyle.Contents )
rContext.rEmitter.write( rStyle.Contents );
if( rStyle.ContainedElement )
rStyle.ContainedElement->visitedBy( rContainedElemVisitor,
std::list<Element*>::iterator() );
rContext.rEmitter.endTag( rStyle.Name.getStr() );
}
}
void StyleContainer::emit( EmitContext& rContext,
ElementTreeVisitor& rContainedElemVisitor )
{
std::vector< sal_Int32 > aMasterPageSection, aAutomaticStyleSection, aOfficeStyleSection;
for( std::hash_map< sal_Int32, HashedStyle >::iterator it = m_aIdToStyle.begin();
it != m_aIdToStyle.end(); ++it )
{
if( ! it->second.IsSubStyle )
{
if( it->second.Name.equals( "style:master-page" ) )
aMasterPageSection.push_back( it->first );
else if( getStyleName( it->first ).equalsAscii( "standard" ) )
aOfficeStyleSection.push_back( it->first );
else
aAutomaticStyleSection.push_back( it->first );
}
}
if( ! aMasterPageSection.empty() )
std::stable_sort( aMasterPageSection.begin(), aMasterPageSection.end(), StyleIdNameSort(&m_aIdToStyle) );
if( ! aAutomaticStyleSection.empty() )
std::stable_sort( aAutomaticStyleSection.begin(), aAutomaticStyleSection.end(), StyleIdNameSort(&m_aIdToStyle) );
if( ! aOfficeStyleSection.empty() )
std::stable_sort( aOfficeStyleSection.begin(), aOfficeStyleSection.end(), StyleIdNameSort(&m_aIdToStyle) );
int n = 0, nElements = 0;
rContext.rEmitter.beginTag( "office:styles", PropertyMap() );
for( n = 0, nElements = aOfficeStyleSection.size(); n < nElements; n++ )
impl_emitStyle( aOfficeStyleSection[n], rContext, rContainedElemVisitor );
rContext.rEmitter.endTag( "office:styles" );
rContext.rEmitter.beginTag( "office:automatic-styles", PropertyMap() );
for( n = 0, nElements = aAutomaticStyleSection.size(); n < nElements; n++ )
impl_emitStyle( aAutomaticStyleSection[n], rContext, rContainedElemVisitor );
rContext.rEmitter.endTag( "office:automatic-styles" );
rContext.rEmitter.beginTag( "office:master-styles", PropertyMap() );
for( n = 0, nElements = aMasterPageSection.size(); n < nElements; n++ )
impl_emitStyle( aMasterPageSection[n], rContext, rContainedElemVisitor );
rContext.rEmitter.endTag( "office:master-styles" );
}
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