kicad/pcbnew/router/pns_link_holder.h

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2019 CERN
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* Author: Seth Hillbrand <hillbrand@ucdavis.edu>
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.h>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PCBNEW_ROUTER_PNS_LINK_HOLDER_H_
#define PCBNEW_ROUTER_PNS_LINK_HOLDER_H_
#include <core/kicad_algo.h>
#include "pns_item.h"
#include "pns_linked_item.h"
namespace PNS
{
class LINK_HOLDER : public ITEM
{
public:
typedef std::vector<LINKED_ITEM*> LINKS;
LINK_HOLDER( PnsKind aKind ) : ITEM( aKind )
{}
///< Add a reference to an item registered in a #NODE that is a part of this line.
void Link( LINKED_ITEM* aLink )
{
m_links.push_back( aLink );
}
///< Return the list of links from the owning node that constitute this
///< line (or NULL if the line is not linked).
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LINKS& Links() { return m_links; }
const LINKS& Links() const { return m_links; }
bool IsLinked() const
{
return m_links.size() != 0;
}
///< Check if the segment aLink is a part of the line.
bool ContainsLink( const LINKED_ITEM* aItem ) const
{
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return alg::contains( m_links, aItem );
}
LINKED_ITEM* GetLink( int aIndex ) const
{
return m_links[aIndex];
}
///< Erase the linking information. Used to detach the line from the owning node.
virtual void ClearLinks()
{
m_links.clear();
}
///< Return the number of segments that were assembled together to form this line.
int LinkCount() const
{
return m_links.size();
}
void ShowLinks() const
{
#if 0 /// @todo move outside header.
if( !IsLinked() )
{
wxLogTrace( "PNS", "item %p: no links", this );
return;
}
wxLogTrace( "PNS", "item %p: %d links", this, (int) m_links.size() );
for( int i = 0; i < (int) m_links.size(); i++ )
wxLogTrace( "PNS", "item %d: %p\n", i, m_links[i] );
#endif
}
protected:
///< Copy m_links from the line \a aParent.
void copyLinks( const LINK_HOLDER* aParent )
{
m_links = aParent->m_links;
}
///< List of segments in the owning NODE (ITEM::m_owner) that constitute this line, or NULL
///< if the line is not a part of any node.
LINKS m_links;
};
} // namespace PNS
#endif /* PCBNEW_ROUTER_PNS_LINK_HOLDER_H_ */