kicad/eeschema/schematic.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020-2021 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 <sch_marker.h>
#include <project.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <schematic.h>
#include <sch_screen.h>
#include <sim/spice_settings.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;
m_project = nullptr; // clear the project, so we don't do this again when setting a new one
}
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_SchematicSettings->m_NgspiceSimulatorSettings->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;
}
bool SCHEMATIC::ResolveTextVar( wxString* token, int aDepth ) const
{
if( !CurrentSheet().empty() )
{
if( token->IsSameAs( wxT( "#" ) ) )
{
*token = CurrentSheet().GetPageNumber();
return true;
}
else if( token->IsSameAs( wxT( "##" ) ) )
{
*token = wxString::Format( "%i", Root().CountSheets() );
return true;
}
else if( token->IsSameAs( wxT( "SHEETPATH" ) ) )
{
*token = CurrentSheet().PathHumanReadable();
return true;
}
else if( token->IsSameAs( wxT( "SHEETNAME" ) ) )
{
*token = CurrentSheet().Last()->GetName();
return true;
}
else if( token->IsSameAs( wxT( "FILENAME" ) ) )
{
wxFileName fn( GetFileName() );
*token = fn.GetFullName();
return true;
}
else if( token->IsSameAs( wxT( "PROJECTNAME" ) ) )
{
*token = Prj().GetProjectName();
return true;
}
return CurrentSheet().LastScreen()->GetTitleBlock().TextVarResolver( token, m_project );
}
return false;
}
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::vector<SCH_MARKER*> SCHEMATIC::ResolveERCExclusions()
{
SCH_SHEET_LIST sheetList = GetSheets();
ERC_SETTINGS& settings = ErcSettings();
for( const SCH_SHEET_PATH& sheet : sheetList )
{
for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_MARKER_T ) )
{
SCH_MARKER* marker = static_cast<SCH_MARKER*>( item );
auto it = settings.m_ErcExclusions.find( marker->Serialize() );
if( it != settings.m_ErcExclusions.end() )
{
marker->SetExcluded( true );
settings.m_ErcExclusions.erase( it );
}
}
}
std::vector<SCH_MARKER*> newMarkers;
for( const wxString& exclusionData : settings.m_ErcExclusions )
{
SCH_MARKER* marker = SCH_MARKER::Deserialize( exclusionData );
if( marker )
{
marker->SetExcluded( true );
newMarkers.push_back( marker );
}
}
settings.m_ErcExclusions.clear();
return newMarkers;
}
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->m_driver_connection->IsBus()
&& 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 sheetPath;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &sheetPath );
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if( refItem && refItem->Type() == SCH_SYMBOL_T )
{
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SCH_SYMBOL* refSymbol = static_cast<SCH_SYMBOL*>( refItem );
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if( refSymbol->ResolveTextVar( &remainder, aDepth + 1 ) )
*token = remainder;
else
*token = refSymbol->GetRef( &sheetPath, true ) + ":" + remainder;
return true; // Cross-reference is resolved whether or not the actual textvar was
}
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; // Cross-reference is resolved whether or not the actual textvar was
}
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] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
int nesting = 0;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '{'
&& ( aSource[i-1] == '_' || aSource[i-1] == '^' || aSource[i-1] == '~' ) )
{
nesting++;
}
if( aSource[i] == '}' )
{
nesting--;
if( nesting < 0 )
break;
}
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_REFERENCE_LIST references;
sheetList.GetSymbols( references );
for( size_t jj = 0; jj < references.GetCount(); jj++ )
{
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SCH_SYMBOL* refSymbol = references[ jj ].GetSymbol();
if( ref == refSymbol->GetRef( &references[ jj ].GetSheetPath(), true ) )
{
token = refSymbol->m_Uuid.AsString() + ":" + remainder;
break;
}
}
}
newbuf.append( "${" + 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] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '}' )
break;
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_SHEET_PATH refSheetPath;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &refSheetPath );
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if( refItem && refItem->Type() == SCH_SYMBOL_T )
{
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SCH_SYMBOL* refSymbol = static_cast<SCH_SYMBOL*>( refItem );
token = refSymbol->GetRef( &refSheetPath, true ) + ":" + remainder;
}
}
newbuf.append( "${" + token + "}" );
}
else
{
newbuf.append( aSource[i] );
}
}
return newbuf;
}
SCH_SHEET_LIST& SCHEMATIC::GetFullHierarchy() const
{
static SCH_SHEET_LIST hierarchy;
hierarchy.clear();
hierarchy.BuildSheetList( m_rootSheet, false );
return hierarchy;
}