footprint_filter.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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/>.
 */
 
#include <footprint_filter.h>
#include <stdexcept>
#include <wx/tokenzr.h>
 
using FOOTPRINT_FILTER_IT = FOOTPRINT_FILTER::ITERATOR;
 
 
FOOTPRINT_FILTER::ITERATOR::ITERATOR() : m_pos( 0 ), m_filter( nullptr )
{
}
 
 
FOOTPRINT_FILTER::ITERATOR::ITERATOR( FOOTPRINT_FILTER_IT const& aOther )
 : m_pos( aOther.m_pos ), m_filter( aOther.m_filter )
{
}
 
 
FOOTPRINT_FILTER::ITERATOR::ITERATOR( FOOTPRINT_FILTER& aFilter )
 : m_pos( (size_t) -1 ), m_filter( &aFilter )
{
 increment();
}
 
 
void FOOTPRINT_FILTER_IT::increment()
{
 if( !m_filter || !m_filter->m_list || m_filter->m_list->GetCount() == 0 )
 {
 m_pos = 0;
 return;
 }
 
 int filter_type = m_filter->m_filter_type;
 FOOTPRINT_LIST* list = m_filter->m_list;
 wxString& lib_name = m_filter->m_lib_name;
 
 for( ++m_pos; m_pos < list->GetCount(); ++m_pos )
 {
 FOOTPRINT_INFO& candidate = list->GetItem( m_pos );
 
 if( filter_type == FOOTPRINT_FILTER::UNFILTERED_FP_LIST )
 break;
 
 if( filter_type & FOOTPRINT_FILTER::FILTERING_BY_PIN_COUNT )
 {
 if( !PinCountMatch( candidate ) )
 continue;
 }
 
 if( filter_type & FOOTPRINT_FILTER::FILTERING_BY_LIBRARY )
 {
 if( !lib_name.IsEmpty() && !candidate.InLibrary( lib_name ) )
 continue;
 }
 
 if( filter_type & FOOTPRINT_FILTER::FILTERING_BY_COMPONENT_FP_FILTER )
 {
 if( !FootprintFilterMatch( candidate ) )
 continue;
 }
 
 if( ( filter_type & FOOTPRINT_FILTER::FILTERING_BY_TEXT_PATTERN ) )
 {
 wxString searchStr = wxString::Format( wxT( "%s:%s %s" ),
 candidate.GetLibNickname(),
 candidate.GetFootprintName(),
 candidate.GetSearchText() );
 int matches, position;
 bool exclude = false;
 
 for( std::unique_ptr<EDA_COMBINED_MATCHER>& matcher : m_filter->m_pattern_filters )
 {
 if( !matcher->Find( searchStr.Lower(), matches, position ) )
 {
 exclude = true;
 break;
 }
 }
 
 if( exclude )
 continue;
 }
 
 // Candidate passed all filters; exit loop
 break;
 }
}
 
 
bool FOOTPRINT_FILTER_IT::equal( FOOTPRINT_FILTER_IT const& aOther ) const
{
 // Invalid iterators are always equal
 return ( m_pos == aOther.m_pos ) && ( m_filter == aOther.m_filter || m_pos == (size_t) -1 );
}
 
 
FOOTPRINT_INFO& FOOTPRINT_FILTER_IT::dereference() const
{
 if( m_filter && m_filter->m_list && m_pos < m_filter->m_list->GetCount() )
 return m_filter->m_list->GetItem( m_pos );
 else
 throw std::out_of_range( "Attempt to dereference past FOOTPRINT_FILTER::end()" );
}
 
 
bool FOOTPRINT_FILTER_IT::FootprintFilterMatch( FOOTPRINT_INFO& aItem )
{
 if( m_filter->m_footprint_filters.empty() )
 return true;
 
 // The matching is case insensitive
 wxString name;
 
 for( const std::unique_ptr<EDA_PATTERN_MATCH>& each_filter : m_filter->m_footprint_filters )
 {
 name.Empty();
 
 // If the filter contains a ':' character, include the library name in the pattern
 if( each_filter->GetPattern().Contains( wxS( ":" ) ) )
 {
 name = aItem.GetLibNickname().Lower() + wxS( ":" );
 }
 
 name += aItem.GetFootprintName().Lower();
 
 if( each_filter->Find( name ) )
 {
 return true;
 }
 }
 
 return false;
}
 
 
bool FOOTPRINT_FILTER_IT::PinCountMatch( FOOTPRINT_INFO& aItem )
{
 return m_filter->m_pin_count >= 0 &&
 (unsigned) m_filter->m_pin_count == aItem.GetUniquePadCount();
}
 
 
FOOTPRINT_FILTER::FOOTPRINT_FILTER( FOOTPRINT_LIST& aList ) : FOOTPRINT_FILTER()
{
 SetList( aList );
}
 
 
FOOTPRINT_FILTER::FOOTPRINT_FILTER()
 : m_list( nullptr ), m_pin_count( -1 ), m_filter_type( UNFILTERED_FP_LIST )
{
}
 
 
void FOOTPRINT_FILTER::SetList( FOOTPRINT_LIST& aList )
{
 m_list = &aList;
}
 
 
void FOOTPRINT_FILTER::ClearFilters()
{
 m_filter_type = UNFILTERED_FP_LIST;
}
 
 
void FOOTPRINT_FILTER::FilterByLibrary( const wxString& aLibName )
{
 m_lib_name = aLibName;
 m_filter_type |= FILTERING_BY_LIBRARY;
}
 
 
void FOOTPRINT_FILTER::FilterByPinCount( int aPinCount )
{
 m_pin_count = aPinCount;
 m_filter_type |= FILTERING_BY_PIN_COUNT;
}
 
 
void FOOTPRINT_FILTER::FilterByFootprintFilters( const wxArrayString& aFilters )
{
 m_footprint_filters.clear();
 
 for( const wxString& each_pattern : aFilters )
 {
 m_footprint_filters.push_back( std::make_unique<EDA_PATTERN_MATCH_WILDCARD_EXPLICIT>() );
 m_footprint_filters.back()->SetPattern( each_pattern.Lower() );
 }
 
 m_filter_type |= FILTERING_BY_COMPONENT_FP_FILTER;
}
 
 
void FOOTPRINT_FILTER::FilterByTextPattern( wxString const& aPattern )
{
 m_filter_pattern = aPattern;
 
 wxStringTokenizer tokenizer( aPattern.Lower() );
 
 while( tokenizer.HasMoreTokens() )
 {
 const wxString term = tokenizer.GetNextToken().Lower();
 m_pattern_filters.push_back( std::make_unique<EDA_COMBINED_MATCHER>( term, CTX_LIBITEM ) );
 }
 
 m_filter_type |= FILTERING_BY_TEXT_PATTERN;
}
 
 
FOOTPRINT_FILTER_IT FOOTPRINT_FILTER::begin()
{
 return FOOTPRINT_FILTER_IT( *this );
}
 
 
FOOTPRINT_FILTER_IT FOOTPRINT_FILTER::end()
{
 FOOTPRINT_FILTER_IT end_it( *this );
 end_it.m_pos = m_list ? m_list->GetCount() : 0;
 return end_it;
}