kicad/eeschema/schematic.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 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 <bus_alias.h>
#include <connection_graph.h>
#include <erc_settings.h>
#include <project.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <schematic.h>
#include <sch_screen.h>
SCHEMATIC::SCHEMATIC( PROJECT* aPrj ) :
EDA_ITEM( nullptr, SCHEMATIC_T ),
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m_project( nullptr ),
m_rootSheet( nullptr )
{
m_currentSheet = new SCH_SHEET_PATH();
m_connectionGraph = new CONNECTION_GRAPH( this );
SetProject( aPrj );
}
SCHEMATIC::~SCHEMATIC()
{
delete m_currentSheet;
delete m_connectionGraph;
}
void SCHEMATIC::Reset()
{
// Assume project already saved
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
delete project.m_ErcSettings;
delete project.m_SchematicSettings;
project.m_ErcSettings = nullptr;
project.m_SchematicSettings = nullptr;
}
delete m_rootSheet;
m_rootSheet = nullptr;
m_connectionGraph->Reset();
m_currentSheet->clear();
}
void SCHEMATIC::SetProject( PROJECT* aPrj )
{
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
delete project.m_ErcSettings;
delete project.m_SchematicSettings;
project.m_ErcSettings = nullptr;
project.m_SchematicSettings = nullptr;
}
m_project = aPrj;
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
project.m_ErcSettings = new ERC_SETTINGS( &project, "erc" );
project.m_SchematicSettings = new SCHEMATIC_SETTINGS( &project, "schematic" );
project.m_SchematicSettings->LoadFromFile();
project.m_ErcSettings->LoadFromFile();
}
}
void SCHEMATIC::SetRoot( SCH_SHEET* aRootSheet )
{
wxCHECK_RET( aRootSheet, "Call to SetRoot with null SCH_SHEET!" );
m_rootSheet = aRootSheet;
m_currentSheet->clear();
m_currentSheet->push_back( m_rootSheet );
m_connectionGraph->Reset();
}
SCH_SCREEN* SCHEMATIC::RootScreen() const
{
return IsValid() ? m_rootSheet->GetScreen() : nullptr;
}
wxString SCHEMATIC::GetFileName() const
{
return IsValid() ? m_rootSheet->GetScreen()->GetFileName() : wxString( wxEmptyString );
}
SCHEMATIC_SETTINGS& SCHEMATIC::Settings() const
{
wxASSERT( m_project );
return *m_project->GetProjectFile().m_SchematicSettings;
}
ERC_SETTINGS& SCHEMATIC::ErcSettings() const
{
wxASSERT( m_project );
return *m_project->GetProjectFile().m_ErcSettings;
}
std::shared_ptr<BUS_ALIAS> SCHEMATIC::GetBusAlias( const wxString& aLabel ) const
{
for( const auto& sheet : GetSheets() )
{
for( const auto& alias : sheet.LastScreen()->GetBusAliases() )
{
if( alias->GetName() == aLabel )
return alias;
}
}
return nullptr;
}
std::vector<wxString> SCHEMATIC::GetNetClassAssignmentCandidates()
{
std::vector<wxString> names;
// Key is a NET_NAME_CODE aka std::pair<name, code>
for( const NET_MAP::value_type& pair: m_connectionGraph->GetNetMap() )
{
CONNECTION_SUBGRAPH* subgraph = pair.second[0];
if( subgraph->GetDriverPriority() > CONNECTION_SUBGRAPH::PRIORITY::PIN )
names.emplace_back( pair.first.first );
}
return names;
}
bool SCHEMATIC::ResolveCrossReference( wxString* token, int aDepth ) const
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token->BeforeFirst( ':', &remainder );
SCH_SHEET_PATH dummy;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &dummy );
if( refItem && refItem->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* refComponent = static_cast<SCH_COMPONENT*>( refItem );
if( refComponent->ResolveTextVar( &remainder, aDepth + 1 ) )
{
*token = remainder;
return true;
}
}
else if( refItem && refItem->Type() == SCH_SHEET_T )
{
SCH_SHEET* refSheet = static_cast<SCH_SHEET*>( refItem );
if( refSheet->ResolveTextVar( &remainder, aDepth + 1 ) )
{
*token = remainder;
return true;
}
}
return false;
}
wxString SCHEMATIC::ConvertRefsToKIIDs( const wxString& aSource ) const
{
wxString newbuf;
size_t sourceLen = aSource.length();
for( size_t i = 0; i < sourceLen; ++i )
{
if( aSource[i] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '}' )
break;
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_REFERENCE_LIST references;
sheetList.GetComponents( references );
for( size_t jj = 0; jj < references.GetCount(); jj++ )
{
SCH_COMPONENT* refComponent = references[ jj ].GetComp();
if( ref == refComponent->GetRef( &references[ jj ].GetSheetPath(), true ) )
{
wxString test( remainder );
if( refComponent->ResolveTextVar( &test ) )
token = refComponent->m_Uuid.AsString() + ":" + remainder;
break;
}
}
}
newbuf.append( "${" + token + "}" );
}
else
{
newbuf.append( aSource[i] );
}
}
return newbuf;
}
wxString SCHEMATIC::ConvertKIIDsToRefs( const wxString& aSource ) const
{
wxString newbuf;
size_t sourceLen = aSource.length();
for( size_t i = 0; i < sourceLen; ++i )
{
if( aSource[i] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '}' )
break;
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_SHEET_PATH refSheetPath;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &refSheetPath );
if( refItem && refItem->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* refComponent = static_cast<SCH_COMPONENT*>( refItem );
token = refComponent->GetRef( &refSheetPath, true ) + ":" + remainder;
}
}
newbuf.append( "${" + token + "}" );
}
else
{
newbuf.append( aSource[i] );
}
}
return newbuf;
}