Each graphical item can have a SCH_CONNECTION describing its logical connection (to a bus or net). More...

#include <sch_connection.h>

Public Member Functions
	SCH_CONNECTION (SCH_ITEM *aParent=nullptr, SCH_SHEET_PATH aPath=SCH_SHEET_PATH())
	Buses can be defined in multiple ways. More...

	SCH_CONNECTION (CONNECTION_GRAPH *aGraph)

	~SCH_CONNECTION ()

bool	operator== (const SCH_CONNECTION &aOther) const
	Note: the equality operator for SCH_CONNECTION only tests the net properties, not the ownership / sheet location! More...

bool	operator!= (const SCH_CONNECTION &aOther) const

void	SetGraph (CONNECTION_GRAPH *aGraph)

void	ConfigureFromLabel (const wxString &aLabel)
	Configures the connection given a label. More...

void	Reset ()
	Clears connectivity information. More...

void	Clone (const SCH_CONNECTION &aOther)
	Copies connectivity information (but not parent) from another connection. More...

SCH_ITEM *	Parent () const

SCH_ITEM *	Driver () const

void	SetDriver (SCH_ITEM *aItem)

SCH_SHEET_PATH	Sheet () const

void	SetSheet (SCH_SHEET_PATH aSheet)

SCH_SHEET_PATH	LocalSheet () const

bool	IsDriver () const
	Checks if the SCH_ITEM this connection is attached to can drive connections Drivers can be labels, sheet pins, or symbol pins. More...

bool	IsBus () const

bool	IsNet () const

bool	IsUnconnected () const

bool	IsDirty () const

void	SetDirty ()

void	ClearDirty ()

bool	HasDriverChanged () const

void	ClearDriverChanged ()

void *	GetLastDriver () const

wxString	Name (bool aIgnoreSheet=false) const

wxString	LocalName () const

wxString	FullLocalName () const

void	SetName (const wxString &aName)

wxString	Prefix () const

void	SetPrefix (const wxString &aPrefix)

wxString	BusPrefix () const

wxString	Suffix () const

void	SetSuffix (const wxString &aSuffix)

CONNECTION_TYPE	Type () const

void	SetType (CONNECTION_TYPE aType)

int	NetCode () const

void	SetNetCode (int aCode)

int	BusCode () const

void	SetBusCode (int aCode)

int	SubgraphCode () const

void	SetSubgraphCode (int aCode)

long	VectorStart () const

long	VectorEnd () const

long	VectorIndex () const

wxString	VectorPrefix () const

std::vector< std::shared_ptr< SCH_CONNECTION > > &	Members ()

const std::vector< std::shared_ptr< SCH_CONNECTION > > &	Members () const

const std::vector< std::shared_ptr< SCH_CONNECTION > >	AllMembers () const

bool	IsSubsetOf (SCH_CONNECTION *aOther) const
	Returns true if this connection is contained within aOther (but not the same as aOther) More...

bool	IsMemberOfBus (SCH_CONNECTION *aOther) const
	Returns true if this connection is a member of bus connection aOther. More...

void	AppendInfoToMsgPanel (std::vector< MSG_PANEL_ITEM > &aList) const
	Adds information about the connection object to aList. More...

Static Public Member Functions
static wxString	PrintBusForUI (const wxString &aString)

static bool	IsBusLabel (const wxString &aLabel)
	Test if aLabel has a bus notation. More...

static bool	MightBeBusLabel (const wxString &aLabel)
	Test if aLabel looks like a bus notation. More...

Private Member Functions
void	recacheName ()

Private Attributes
bool	m_dirty

SCH_SHEET_PATH	m_sheet
	The hierarchical sheet this connection is on. More...

SCH_SHEET_PATH	m_local_sheet
	When a connection is overridden by one on a different hierarchical sheet, it will be cloned and m_sheet will point to the parent sheet. More...

SCH_ITEM *	m_parent
	The SCH_ITEM this connection is owned by. More...

void *	m_lastDriver
	WEAK POINTER (there is no guarantee it is still allocated) Equality comparisons are OK, but that's pretty much it. More...

SCH_ITEM *	m_driver
	The SCH_ITEM that drives this connection's net. More...

CONNECTION_TYPE	m_type

wxString	m_name
	Name of the connection. More...

wxString	m_cached_name
	Full name, including prefix and suffix. More...

wxString	m_cached_name_with_path
	Full name including sheet path (if not global) More...

wxString	m_local_name
	For bus members, we want to keep track of the "local" name of a member, that is, the name it takes on from its parent bus name. More...

wxString	m_prefix
	Prefix if connection is member of a labeled bus group (or "" if not) More...

wxString	m_local_prefix
	Local prefix for group bus members (used with m_local_name) More...

wxString	m_bus_prefix
	Optional prefix of a bux group (always empty for nets and vector buses) More...

wxString	m_suffix
	Name suffix (used only for disambiguation) More...

int	m_net_code

int	m_bus_code

int	m_subgraph_code
	Groups directly-connected items. More...

long	m_vector_index
	Index of bus vector member nets. More...

long	m_vector_start
	Highest member of a vector bus. More...

long	m_vector_end
	Lowest member of a vector bus. More...

wxString	m_vector_prefix

std::vector< std::shared_ptr< SCH_CONNECTION > >	m_members
	For bus connections, store a list of member connections. More...

CONNECTION_GRAPH *	m_graph
	Pointer to the connection graph for the schematic this connection exists on. More...

Detailed Description

Each graphical item can have a SCH_CONNECTION describing its logical connection (to a bus or net).

These are generated when netlisting, or when editing operations that can change the netlist are performed.

In hierarchical schematics, a single SCH_ITEM object can refer to multiple distinct parts of a design (in the case of a sub-sheet that is instanced more than once in a higher level sheet). Because of this, a single item may contain more than one SCH_CONNECTION – each is specific to a sheet.

Symbols contain connections for each of their pins (and for each sheet they exist on) but don't use their own connection object.

Definition at line 60 of file sch_connection.h.

Constructor & Destructor Documentation

◆ SCH_CONNECTION() [1/2]

SCH_CONNECTION::SCH_CONNECTION	(	SCH_ITEM *	aParent = `nullptr`,
		SCH_SHEET_PATH	aPath = `SCH_SHEET_PATH()`
	)

Buses can be defined in multiple ways.

A bus vector consists of a prefix and a numeric range of suffixes:

BUS_NAME[M..N]

For example, the bus A[3..0] will contain nets A3, A2, A1, and A0. The BUS_NAME is required. M and N must be integers but do not need to be in any particular order – A[0..3] produces the same result.

Like net names, bus names cannot contain whitespace.

A bus group is just a grouping of signals, separated by spaces, some of which may be bus vectors. Bus groups can have names, but do not need to.

MEMORY{A[15..0] D[7..0] RW CE OE}

In named bus groups, the net names are expanded as <BUS_NAME>.<NET_NAME> In the above example, the nets would be named like MEMORY.A15, MEMORY.D0, etc.

{USB_DP USB_DN}

In the above example, the bus is unnamed and so the underlying net names are just USB_DP and USB_DN.

Definition at line 65 of file sch_connection.cpp.

 :
 m_sheet( aPath ),
 m_local_sheet( aPath ),
 m_parent( aParent ),
 m_driver( nullptr ),
 m_graph( nullptr )
{
 Reset();
}

References Reset().

◆ SCH_CONNECTION() [2/2]

SCH_CONNECTION::SCH_CONNECTION ( CONNECTION_GRAPH * aGraph )

Definition at line 76 of file sch_connection.cpp.

 :
 m_sheet( SCH_SHEET_PATH() ),
 m_local_sheet( SCH_SHEET_PATH() ),
 m_parent( nullptr ),
 m_driver( nullptr ),
 m_graph( aGraph )
{
 Reset();
}

References Reset().

◆ ~SCH_CONNECTION()

SCH_CONNECTION::~SCH_CONNECTION ( )

inline

Definition at line 67 of file sch_connection.h.

68 {}

Member Function Documentation

◆ AllMembers()

const std::vector< std::shared_ptr< SCH_CONNECTION > > SCH_CONNECTION::AllMembers ( ) const

Definition at line 466 of file sch_connection.cpp.

{
 std::vector< std::shared_ptr< SCH_CONNECTION > > ret( m_members );
 
 for( const auto& member : m_members )
 if( member->IsBus() )
 ret.insert( ret.end(), member->Members().begin(), member->Members().end() );
 
 return ret;
}

References m_members.

Referenced by SCH_EDIT_FRAME::SetCrossProbeConnection().

◆ AppendInfoToMsgPanel()

void SCH_CONNECTION::AppendInfoToMsgPanel ( std::vector< MSG_PANEL_ITEM > & aList ) const

Adds information about the connection object to aList.

Definition at line 405 of file sch_connection.cpp.

{
 wxString msg, group_name, members;
 std::vector<wxString> group_members;
 
 aList.emplace_back( _( "Connection Name" ), UnescapeString( Name() ) );
 
 if( std::shared_ptr<BUS_ALIAS> alias = m_graph->GetBusAlias( m_name ) )
 {
 msg.Printf( _( "Bus Alias %s Members" ), m_name );
 aList.emplace_back( msg, boost::algorithm::join( alias->Members(), " " ) );
 }
 else if( NET_SETTINGS::ParseBusGroup( m_name, &group_name, &group_members ) )
 {
 for( const wxString& group_member : group_members )
 {
 if( std::shared_ptr<BUS_ALIAS> group_alias = m_graph->GetBusAlias( group_member ) )
 {
 msg.Printf( _( "Bus Alias %s Members" ), group_alias->GetName() );
 aList.emplace_back( msg, boost::algorithm::join( group_alias->Members(), " " ) );
 }
 }
 }
 
#if defined(DEBUG)
 // These messages are not flagged as translatable, because they are only debug messages
 
 if( IsBus() )
 aList.emplace_back( wxT( "Bus Code" ), wxString::Format( "%d", m_bus_code ) );
 
 aList.emplace_back( wxT( "Subgraph Code" ), wxString::Format( "%d", m_subgraph_code ) );
 
 if( SCH_ITEM* driver = Driver() )
 {
 UNITS_PROVIDER unitsProvider( schIUScale, EDA_UNITS::MILLIMETRES );
 
 msg.Printf( wxS( "%s at %p" ), driver->GetItemDescription( &unitsProvider ), driver );
 aList.emplace_back( wxT( "Connection Source" ), msg );
 }
#endif
}

References _, Driver(), Format(), CONNECTION_GRAPH::GetBusAlias(), IsBus(), m_bus_code, m_graph, m_name, m_subgraph_code, MILLIMETRES, Name(), NET_SETTINGS::ParseBusGroup(), schIUScale, and UnescapeString().

Referenced by SCH_BUS_ENTRY_BASE::GetMsgPanelInfo(), SCH_LABEL_BASE::GetMsgPanelInfo(), SCH_LINE::GetMsgPanelInfo(), and SCH_PIN::GetMsgPanelInfo().

◆ BusCode()

int SCH_CONNECTION::BusCode ( ) const

inline

Definition at line 175 of file sch_connection.h.

175{ return m_bus_code; }

References m_bus_code.

Referenced by Clone().

◆ BusPrefix()

wxString SCH_CONNECTION::BusPrefix ( ) const

inline

Definition at line 159 of file sch_connection.h.

159{ return m_bus_prefix; }

SCH_CONNECTION::m_bus_prefix

wxString m_bus_prefix

Optional prefix of a bux group (always empty for nets and vector buses)

Definition: sch_connection.h:283

References m_bus_prefix.

◆ ClearDirty()

void SCH_CONNECTION::ClearDirty ( )

inline

Definition at line 135 of file sch_connection.h.

135{ m_dirty = false; }

SCH_CONNECTION::m_dirty

bool m_dirty

Definition: sch_connection.h:240

References m_dirty.

Referenced by CONNECTION_SUBGRAPH::UpdateItemConnections().

◆ ClearDriverChanged()

void SCH_CONNECTION::ClearDriverChanged ( )

Definition at line 338 of file sch_connection.cpp.

{
 m_lastDriver = m_driver;
}

References m_driver, and m_lastDriver.

Referenced by SCH_EDIT_FRAME::RecalculateConnections().

◆ Clone()

void SCH_CONNECTION::Clone ( const SCH_CONNECTION & aOther )

Copies connectivity information (but not parent) from another connection.

Parameters

aOther is the connection to clone

Definition at line 231 of file sch_connection.cpp.

{
 m_graph = aOther.m_graph;
 // Note: m_lastDriver is not cloned as it needs to be the last driver of *this* connection
 m_driver = aOther.Driver();
 m_sheet = aOther.Sheet();
 // Note: m_local_sheet is not cloned
 m_name = aOther.m_name;
 // Note: m_local_name is not cloned if not set yet
 if( m_local_name.IsEmpty() )
 {
 m_local_name = aOther.LocalName();
 m_local_prefix = aOther.Prefix();
 }
 
 m_prefix = aOther.Prefix();
 // m_bus_prefix is not cloned; only used for local names
 m_suffix = aOther.Suffix();
 m_net_code = aOther.NetCode();
 m_bus_code = aOther.BusCode();
 m_vector_start = aOther.VectorStart();
 m_vector_end = aOther.VectorEnd();
 // Note: m_vector_index is not cloned
 m_vector_prefix = aOther.VectorPrefix();
 
 // Note: subgraph code isn't cloned, it should remain with the original object
 
 // Handle vector bus members: make sure local names are preserved where possible
 const std::vector<std::shared_ptr<SCH_CONNECTION>>& otherMembers = aOther.Members();
 
 if( m_type == CONNECTION_TYPE::BUS && aOther.Type() == CONNECTION_TYPE::BUS )
 {
 if( m_members.empty() )
 {
 m_members = otherMembers;
 }
 else
 {
 size_t cloneLimit = std::min( m_members.size(), otherMembers.size() );
 
 for( size_t i = 0; i < cloneLimit; ++i )
 m_members[i]->Clone( *otherMembers[i] );
 }
 }
 else if( m_type == CONNECTION_TYPE::BUS_GROUP && aOther.Type() == CONNECTION_TYPE::BUS_GROUP )
 {
 if( m_members.empty() )
 {
 m_members = otherMembers;
 }
 else
 {
 // TODO: refactor this once we support deep nesting
 for( size_t i = 0; i < m_members.size(); ++i )
 {
 auto it = std::find_if( otherMembers.begin(), otherMembers.end(),
 [&]( const std::shared_ptr<SCH_CONNECTION>& aTest )
 {
 return aTest->LocalName() == m_members[i]->LocalName();
 } );
 
 if( it != otherMembers.end() )
 m_members[i]->Clone( **it );
 }
 }
 }
 
 m_type = aOther.Type();
 
 recacheName();
}

References BUS, BUS_GROUP, BusCode(), Clone(), Driver(), LocalName(), m_bus_code, m_driver, m_graph, m_local_name, m_local_prefix, m_members, m_name, m_net_code, m_prefix, m_sheet, m_suffix, m_type, m_vector_end, m_vector_prefix, m_vector_start, Members(), NetCode(), Prefix(), recacheName(), Sheet(), Suffix(), Type(), VectorEnd(), VectorPrefix(), and VectorStart().

Referenced by CONNECTION_GRAPH::buildConnectionGraph(), Clone(), CONNECTION_GRAPH::propagateToNeighbors(), and CONNECTION_SUBGRAPH::UpdateItemConnections().

◆ ConfigureFromLabel()

void SCH_CONNECTION::ConfigureFromLabel ( const wxString & aLabel )

Configures the connection given a label.

For CONNECTION_NET, this just sets the name. For CONNECTION_BUS, this will deduce the correct BUS_TYPE and also generate a correct list of members.

Definition at line 131 of file sch_connection.cpp.

{
 m_members.clear();
 
 m_name = aLabel;
 m_local_name = aLabel;
 m_local_prefix = m_prefix;
 
 wxString prefix;
 std::vector<wxString> members;
 
 wxString unescaped = UnescapeString( aLabel );
 
 if( NET_SETTINGS::ParseBusVector( unescaped, &prefix, &members ) )
 {
 m_type = CONNECTION_TYPE::BUS;
 m_vector_prefix = prefix;
 
 long i = 0;
 
 for( const wxString& vector_member : members )
 {
 auto member = std::make_shared<SCH_CONNECTION>( m_parent, m_sheet );
 member->m_type = CONNECTION_TYPE::NET;
 member->m_prefix = m_prefix;
 member->m_local_name = vector_member;
 member->m_local_prefix = m_prefix;
 member->m_vector_index = i++;
 member->SetName( vector_member );
 member->SetGraph( m_graph );
 m_members.push_back( member );
 }
 }
 else if( NET_SETTINGS::ParseBusGroup( unescaped, &prefix, &members ) )
 {
 m_type = CONNECTION_TYPE::BUS_GROUP;
 m_bus_prefix = prefix;
 
 // Named bus groups generate a net prefix, unnamed ones don't
 if( !prefix.IsEmpty() )
 prefix += wxT( "." );
 
 for( const wxString& group_member : members )
 {
 // Handle alias inside bus group member list
 if( auto alias = m_graph->GetBusAlias( group_member ) )
 {
 for( const wxString& alias_member : alias->Members() )
 {
 auto member = std::make_shared< SCH_CONNECTION >( m_parent, m_sheet );
 member->SetPrefix( prefix );
 member->SetGraph( m_graph );
 member->ConfigureFromLabel( alias_member );
 m_members.push_back( member );
 }
 }
 else
 {
 auto member = std::make_shared< SCH_CONNECTION >( m_parent, m_sheet );
 member->SetPrefix( prefix );
 member->SetGraph( m_graph );
 member->ConfigureFromLabel( group_member );
 m_members.push_back( member );
 }
 }
 }
 else
 {
 m_type = CONNECTION_TYPE::NET;
 }
 
 recacheName();
}

References BUS, BUS_GROUP, CONNECTION_GRAPH::GetBusAlias(), m_bus_prefix, m_graph, m_local_name, m_local_prefix, m_members, m_name, m_parent, m_prefix, m_sheet, m_type, m_vector_prefix, NET, NET_SETTINGS::ParseBusGroup(), NET_SETTINGS::ParseBusVector(), recacheName(), and UnescapeString().

Referenced by EE_SELECTION_TOOL::autostartEvent(), CONNECTION_GRAPH::ercCheckBusToNetConflicts(), and DIALOG_MIGRATE_BUSES::getProposedLabels().

◆ Driver()

SCH_ITEM * SCH_CONNECTION::Driver ( ) const

inline

Definition at line 105 of file sch_connection.h.

105{ return m_driver; }

References m_driver.

Referenced by AppendInfoToMsgPanel(), SCH_EDITOR_CONTROL::AssignNetclass(), Clone(), and SCH_EDITOR_CONTROL::UpdateNetHighlighting().

◆ FullLocalName()

wxString SCH_CONNECTION::FullLocalName ( ) const

inline

Definition at line 145 of file sch_connection.h.

 {
 return m_local_prefix + m_local_name + m_suffix;
 }

References m_local_name, m_local_prefix, and m_suffix.

Referenced by IsSubsetOf().

◆ GetLastDriver()

void * SCH_CONNECTION::GetLastDriver ( ) const

inline

Definition at line 139 of file sch_connection.h.

139{ return m_lastDriver; }

References m_lastDriver.

◆ HasDriverChanged()

bool SCH_CONNECTION::HasDriverChanged ( ) const

Definition at line 332 of file sch_connection.cpp.

{
 return m_driver != m_lastDriver;
}

References m_driver, and m_lastDriver.

Referenced by SCH_EDIT_FRAME::RecalculateConnections().

◆ IsBus()

bool SCH_CONNECTION::IsBus ( ) const

inline

Definition at line 121 of file sch_connection.h.

 {
 return ( m_type == CONNECTION_TYPE::BUS || m_type == CONNECTION_TYPE::BUS_GROUP );
 }

References BUS, BUS_GROUP, and m_type.

◆ IsBusLabel()

bool SCH_CONNECTION::IsBusLabel ( const wxString & aLabel )

static

Test if aLabel has a bus notation.

Parameters

aLabel A wxString object containing the label to test.

Returns: true if text is a bus notation format otherwise false is returned.

Definition at line 448 of file sch_connection.cpp.

{
 const wxString& unescaped = UnescapeString( aLabel );
 
 return NET_SETTINGS::ParseBusVector( unescaped, nullptr, nullptr )
 || NET_SETTINGS::ParseBusGroup( unescaped, nullptr, nullptr );
}

References NET_SETTINGS::ParseBusGroup(), NET_SETTINGS::ParseBusVector(), and UnescapeString().

Referenced by SCH_BUS_WIRE_ENTRY::ConnectionPropagatesTo().

◆ IsDirty()

bool SCH_CONNECTION::IsDirty ( ) const

inline

Definition at line 133 of file sch_connection.h.

133{ return m_dirty; }

References m_dirty.

◆ IsDriver()

bool SCH_CONNECTION::IsDriver ( ) const

Checks if the SCH_ITEM this connection is attached to can drive connections Drivers can be labels, sheet pins, or symbol pins.

Returns: true if the attached items is a driver

Definition at line 304 of file sch_connection.cpp.

{
 wxASSERT( Parent() );
 
 switch( Parent()->Type() )
 {
 case SCH_LABEL_T:
 case SCH_GLOBAL_LABEL_T:
 case SCH_HIER_LABEL_T:
 case SCH_SHEET_PIN_T:
 case SCH_SHEET_T:
 case LIB_PIN_T:
 return true;
 
 case SCH_PIN_T:
 {
 auto pin = static_cast<SCH_PIN*>( Parent() );
 
 // Only annotated symbols should drive nets.
 return pin->IsPowerConnection() || pin->GetParentSymbol()->IsAnnotated( &m_sheet );
 }
 
 default:
 return false;
 }
}

References LIB_PIN_T, m_sheet, Parent(), pin, SCH_GLOBAL_LABEL_T, SCH_HIER_LABEL_T, SCH_LABEL_T, SCH_PIN_T, SCH_SHEET_PIN_T, SCH_SHEET_T, and Type().

Referenced by CONNECTION_SUBGRAPH::AddItem().

◆ IsMemberOfBus()

bool SCH_CONNECTION::IsMemberOfBus ( SCH_CONNECTION * aOther ) const

Returns true if this connection is a member of bus connection aOther.

Will always return false if aOther is not a bus connection

Definition at line 556 of file sch_connection.cpp.

{
 if( !aOther->IsBus() )
 return false;
 
 auto me = Name( true );
 
 for( const auto& m : aOther->Members() )
 if( m->Name( true ) == me )
 return true;
 
 return false;
}

References IsBus(), Members(), and Name().

◆ IsNet()

bool SCH_CONNECTION::IsNet ( ) const

inline

Definition at line 126 of file sch_connection.h.

 {
 return ( m_type == CONNECTION_TYPE::NET );
 }

References m_type, and NET.

Referenced by CONNECTION_GRAPH::buildConnectionGraph(), CONNECTION_GRAPH::processSubGraphs(), SCH_EDIT_FRAME::SetCrossProbeConnection(), CONNECTION_SUBGRAPH::UpdateItemConnections(), and SCH_EDITOR_CONTROL::UpdateNetHighlighting().

◆ IsSubsetOf()

bool SCH_CONNECTION::IsSubsetOf ( SCH_CONNECTION * aOther ) const

Returns true if this connection is contained within aOther (but not the same as aOther)

Returns: true if this connection is a member of aOther

Definition at line 541 of file sch_connection.cpp.

{
 if( !aOther->IsBus() )
 return false;
 
 for( const auto& member : aOther->Members() )
 {
 if( member->FullLocalName() == FullLocalName() )
 return true;
 }
 
 return false;
}

References FullLocalName(), IsBus(), and Members().

◆ IsUnconnected()

bool SCH_CONNECTION::IsUnconnected ( ) const

inline

Definition at line 131 of file sch_connection.h.

131{ return ( m_type == CONNECTION_TYPE::NONE ); }

CONNECTION_TYPE::NONE

@ NONE

No connection to this item.

References m_type, and NONE.

◆ LocalName()

wxString SCH_CONNECTION::LocalName ( ) const

inline

Definition at line 143 of file sch_connection.h.

143{ return m_local_name; }

References m_local_name.

Referenced by Clone(), CONNECTION_GRAPH::matchBusMember(), CONNECTION_GRAPH::propagateToNeighbors(), and SCH_LABEL_BASE::ResolveTextVar().

◆ LocalSheet()

SCH_SHEET_PATH SCH_CONNECTION::LocalSheet ( ) const

inline

Definition at line 111 of file sch_connection.h.

111{ return m_local_sheet; }

References m_local_sheet.

Referenced by SCH_EDIT_FRAME::RecalculateConnections().

◆ Members() [1/2]

std::vector< std::shared_ptr< SCH_CONNECTION > > & SCH_CONNECTION::Members ( )

inline

Definition at line 188 of file sch_connection.h.

 {
 return m_members;
 }

References m_members.

Referenced by CONNECTION_GRAPH::assignNetCodesToBus(), CONNECTION_GRAPH::buildConnectionGraph(), Clone(), CONNECTION_GRAPH::ercCheckBusToBusConflicts(), CONNECTION_GRAPH::ercCheckBusToBusEntryConflicts(), IsMemberOfBus(), IsSubsetOf(), CONNECTION_GRAPH::matchBusMember(), SCH_EDIT_FRAME::SetCrossProbeConnection(), SetPrefix(), SetSuffix(), BUS_UNFOLD_MENU::update(), and SCH_EDITOR_CONTROL::UpdateNetHighlighting().

◆ Members() [2/2]

const std::vector< std::shared_ptr< SCH_CONNECTION > > & SCH_CONNECTION::Members ( ) const

inline

Definition at line 193 of file sch_connection.h.

 {
 return m_members;
 }

References m_members.

◆ MightBeBusLabel()

bool SCH_CONNECTION::MightBeBusLabel ( const wxString & aLabel )

static

Test if aLabel looks like a bus notation.

This check is much less expensive than IsBusLabel.

Parameters

aLabel A wxString object containing the label to test.

Returns: true if text might be a bus label

Definition at line 457 of file sch_connection.cpp.

{
 // Weak heuristic for performance reasons. Stronger test will be used for connectivity
 wxString label = UnescapeString( aLabel );
 
 return label.Contains( wxT( "[" ) ) || label.Contains( wxT( "{" ) );
}

References UnescapeString().

◆ Name()

wxString SCH_CONNECTION::Name ( bool aIgnoreSheet = false ) const

Definition at line 345 of file sch_connection.cpp.

{
 wxASSERT( !m_cached_name.IsEmpty() );
 return aIgnoreSheet ? m_cached_name : m_cached_name_with_path;
}

References m_cached_name, and m_cached_name_with_path.

◆ NetCode()

int SCH_CONNECTION::NetCode ( ) const

inline

Definition at line 172 of file sch_connection.h.

172{ return m_net_code; }

References m_net_code.

Referenced by Clone().

◆ operator!=()

bool SCH_CONNECTION::operator!= ( const SCH_CONNECTION & aOther ) const

Definition at line 125 of file sch_connection.cpp.

{
 return !( aOther == *this );
}

◆ operator==()

bool SCH_CONNECTION::operator== ( const SCH_CONNECTION & aOther ) const

Note: the equality operator for SCH_CONNECTION only tests the net properties, not the ownership / sheet location!

Definition at line 87 of file sch_connection.cpp.

{
 // NOTE: Not comparing m_dirty or net/bus/subgraph codes
 if( ( aOther.m_driver == m_driver ) &&
 ( aOther.m_type == m_type ) &&
 ( aOther.m_name == m_name ) &&
 ( aOther.m_sheet == m_sheet ) )
 {
 return true;
 }
 
 return false;
}

References m_driver, m_name, m_sheet, and m_type.

◆ Parent()

SCH_ITEM * SCH_CONNECTION::Parent ( ) const

inline

Definition at line 103 of file sch_connection.h.

103{ return m_parent; }

References m_parent.

Referenced by IsDriver(), recacheName(), SCH_EDIT_FRAME::RecalculateConnections(), and SCH_EDITOR_CONTROL::UpdateNetHighlighting().

◆ Prefix()

wxString SCH_CONNECTION::Prefix ( ) const

inline

Definition at line 156 of file sch_connection.h.

156{ return m_prefix; }

References m_prefix.

Referenced by Clone().

◆ PrintBusForUI()

wxString SCH_CONNECTION::PrintBusForUI ( const wxString & aString )

static

Definition at line 484 of file sch_connection.cpp.

{
 size_t groupLen = aGroup.length();
 size_t i = 0;
 wxString ret;
 int braceNesting = 0;
 
 // Parse prefix
 //
 for( ; i < groupLen; ++i )
 {
 if( isSuperSubOverbar( aGroup[i] ) && i + 1 < groupLen && aGroup[i+1] == '{' )
 {
 braceNesting++;
 i++;
 continue;
 }
 else if( aGroup[i] == '}' )
 {
 braceNesting--;
 continue;
 }
 
 ret += aGroup[i];
 
 if( aGroup[i] == '{' )
 break;
 }
 
 // Parse members
 //
 i++; // '{' character
 
 for( ; i < groupLen; ++i )
 {
 if( isSuperSubOverbar( aGroup[i] ) && i + 1 < groupLen && aGroup[i+1] == '{' )
 {
 braceNesting++;
 i++;
 continue;
 }
 else if( aGroup[i] == '}' )
 {
 braceNesting--;
 continue;
 }
 
 ret += aGroup[i];
 
 if( aGroup[i] == '}' )
 break;
 }
 
 return ret;
}

References isSuperSubOverbar().

Referenced by BUS_UNFOLD_MENU::update().

◆ recacheName()

void SCH_CONNECTION::recacheName ( )

private

Definition at line 352 of file sch_connection.cpp.

{
 m_cached_name =
 m_name.IsEmpty() ? wxT( "<NO NET>" ) : wxString( m_prefix ) << m_name << m_suffix;
 
 bool prepend_path = true;
 
 if( !Parent() || m_type == CONNECTION_TYPE::NONE )
 prepend_path = false;
 
 if( m_driver )
 {
 switch( m_driver->Type() )
 {
 case SCH_GLOBAL_LABEL_T:
 case SCH_PIN_T:
 // Pins are either power connections or belong to a uniquely-annotated
 // symbol, so they don't need a path if they are driving the subgraph.
 prepend_path = false;
 break;
 
 default:
 break;
 }
 }
 
 m_cached_name_with_path =
 prepend_path ? m_sheet.PathHumanReadable() << m_cached_name : m_cached_name;
}

References m_cached_name, m_cached_name_with_path, m_driver, m_name, m_prefix, m_sheet, m_suffix, m_type, NONE, Parent(), SCH_SHEET_PATH::PathHumanReadable(), SCH_GLOBAL_LABEL_T, SCH_PIN_T, and EDA_ITEM::Type().

Referenced by Clone(), ConfigureFromLabel(), SetDriver(), SetName(), SetPrefix(), SetSheet(), SetSuffix(), and SetType().

◆ Reset()

void SCH_CONNECTION::Reset ( )

Clears connectivity information.

Definition at line 206 of file sch_connection.cpp.

{
 m_type = CONNECTION_TYPE::NONE;
 m_name.Empty();
 m_local_name.Empty();
 m_local_prefix.Empty();
 m_cached_name.Empty();
 m_cached_name_with_path.Empty();
 m_prefix.Empty();
 m_bus_prefix.Empty();
 m_suffix .Empty();
 m_lastDriver = m_driver;
 m_driver = nullptr;
 m_members.clear();
 m_dirty = true;
 m_net_code = 0;
 m_bus_code = 0;
 m_subgraph_code = 0;
 m_vector_start = 0;
 m_vector_end = 0;
 m_vector_index = 0;
 m_vector_prefix.Empty();
}

References m_bus_code, m_bus_prefix, m_cached_name, m_cached_name_with_path, m_dirty, m_driver, m_lastDriver, m_local_name, m_local_prefix, m_members, m_name, m_net_code, m_prefix, m_subgraph_code, m_suffix, m_type, m_vector_end, m_vector_index, m_vector_prefix, m_vector_start, and NONE.

Referenced by SCH_ITEM::InitializeConnection(), and SCH_CONNECTION().

◆ SetBusCode()

void SCH_CONNECTION::SetBusCode ( int aCode )

inline

Definition at line 176 of file sch_connection.h.

176{ m_bus_code = aCode; }

References m_bus_code.

Referenced by CONNECTION_GRAPH::processSubGraphs().

◆ SetDirty()

void SCH_CONNECTION::SetDirty ( )

inline

Definition at line 134 of file sch_connection.h.

134{ m_dirty = true; }

References m_dirty.

◆ SetDriver()

void SCH_CONNECTION::SetDriver ( SCH_ITEM * aItem )

Definition at line 102 of file sch_connection.cpp.

{
 m_driver = aItem;
 
 recacheName();
 
 for( const std::shared_ptr<SCH_CONNECTION>& member : m_members )
 member->SetDriver( aItem );
}

References m_driver, m_members, and recacheName().

◆ SetGraph()

void SCH_CONNECTION::SetGraph ( CONNECTION_GRAPH * aGraph )

inline

Definition at line 78 of file sch_connection.h.

 {
 m_graph = aGraph;
 }

References m_graph.

Referenced by SCH_ITEM::InitializeConnection().

◆ SetName()

void SCH_CONNECTION::SetName ( const wxString & aName )

inline

Definition at line 150 of file sch_connection.h.

 {
 m_name = aName;
 recacheName();
 }

References m_name, and recacheName().

Referenced by CONNECTION_GRAPH::generateInvisiblePinSubGraphs().

◆ SetNetCode()

void SCH_CONNECTION::SetNetCode ( int aCode )

inline

Definition at line 173 of file sch_connection.h.

173{ m_net_code = aCode; }

References m_net_code.

Referenced by CONNECTION_GRAPH::assignNewNetCode(), and CONNECTION_GRAPH::generateInvisiblePinSubGraphs().

◆ SetPrefix()

void SCH_CONNECTION::SetPrefix ( const wxString & aPrefix )

Definition at line 383 of file sch_connection.cpp.

{
 m_prefix = aPrefix;
 
 recacheName();
 
 for( const auto& m : Members() )
 m->SetPrefix( aPrefix );
}

References m_prefix, Members(), and recacheName().

◆ SetSheet()

void SCH_CONNECTION::SetSheet ( SCH_SHEET_PATH aSheet )

Definition at line 113 of file sch_connection.cpp.

{
 m_sheet = aSheet;
 m_local_sheet = aSheet;
 
 recacheName();
 
 for( const std::shared_ptr<SCH_CONNECTION>& member : m_members )
 member->SetSheet( aSheet );
}

References m_local_sheet, m_members, m_sheet, and recacheName().

Referenced by SCH_ITEM::InitializeConnection().

◆ SetSubgraphCode()

void SCH_CONNECTION::SetSubgraphCode ( int aCode )

inline

Definition at line 179 of file sch_connection.h.

179{ m_subgraph_code = aCode; }

References m_subgraph_code.

Referenced by CONNECTION_SUBGRAPH::Absorb(), CONNECTION_GRAPH::buildItemSubGraphs(), and CONNECTION_GRAPH::generateInvisiblePinSubGraphs().

◆ SetSuffix()

void SCH_CONNECTION::SetSuffix ( const wxString & aSuffix )

Definition at line 394 of file sch_connection.cpp.

{
 m_suffix = aSuffix;
 
 recacheName();
 
 for( const auto& m : Members() )
 m->SetSuffix( aSuffix );
}

References m_suffix, Members(), and recacheName().

◆ SetType()

void SCH_CONNECTION::SetType ( CONNECTION_TYPE aType )

inline

Definition at line 166 of file sch_connection.h.

 {
 m_type = aType;
 recacheName();
 }

References m_type, and recacheName().

Referenced by CONNECTION_GRAPH::buildConnectionGraph(), and CONNECTION_GRAPH::updateItemConnectivity().

◆ Sheet()

SCH_SHEET_PATH SCH_CONNECTION::Sheet ( ) const

inline

Definition at line 108 of file sch_connection.h.

108{ return m_sheet; }

References m_sheet.

Referenced by Clone(), and BACK_ANNOTATE::processNetNameChange().

◆ SubgraphCode()

int SCH_CONNECTION::SubgraphCode ( ) const

inline

Definition at line 178 of file sch_connection.h.

178{ return m_subgraph_code; }

References m_subgraph_code.

Referenced by CONNECTION_GRAPH::buildItemSubGraphs(), and CONNECTION_GRAPH::generateInvisiblePinSubGraphs().

◆ Suffix()

wxString SCH_CONNECTION::Suffix ( ) const

inline

Definition at line 161 of file sch_connection.h.

161{ return m_suffix; }

References m_suffix.

Referenced by Clone().

◆ Type()

CONNECTION_TYPE SCH_CONNECTION::Type ( ) const

inline

Definition at line 164 of file sch_connection.h.

164{ return m_type; }

References m_type.

Referenced by Clone(), CONNECTION_SUBGRAPH::GetBusLabels(), IsDriver(), CONNECTION_GRAPH::matchBusMember(), and CONNECTION_GRAPH::propagateToNeighbors().

◆ VectorEnd()

long SCH_CONNECTION::VectorEnd ( ) const

inline

Definition at line 182 of file sch_connection.h.

182{ return m_vector_end; }

References m_vector_end.

Referenced by Clone(), and DIALOG_MIGRATE_BUSES::getProposedLabels().

◆ VectorIndex()

long SCH_CONNECTION::VectorIndex ( ) const

inline

Definition at line 184 of file sch_connection.h.

184{ return m_vector_index; }

References m_vector_index.

Referenced by CONNECTION_GRAPH::matchBusMember().

◆ VectorPrefix()

wxString SCH_CONNECTION::VectorPrefix ( ) const

inline

Definition at line 186 of file sch_connection.h.

186{ return m_vector_prefix; }

References m_vector_prefix.

Referenced by Clone(), and DIALOG_MIGRATE_BUSES::getProposedLabels().

◆ VectorStart()

long SCH_CONNECTION::VectorStart ( ) const

inline

Definition at line 181 of file sch_connection.h.

181{ return m_vector_start; }

References m_vector_start.

Referenced by Clone(), and DIALOG_MIGRATE_BUSES::getProposedLabels().

Member Data Documentation

◆ m_bus_code

int SCH_CONNECTION::m_bus_code

private

Definition at line 289 of file sch_connection.h.

Referenced by AppendInfoToMsgPanel(), BusCode(), Clone(), Reset(), and SetBusCode().

◆ m_bus_prefix

wxString SCH_CONNECTION::m_bus_prefix

private

Optional prefix of a bux group (always empty for nets and vector buses)

Definition at line 283 of file sch_connection.h.

Referenced by BusPrefix(), ConfigureFromLabel(), and Reset().

◆ m_cached_name

wxString SCH_CONNECTION::m_cached_name

private

Full name, including prefix and suffix.

Definition at line 263 of file sch_connection.h.

Referenced by Name(), recacheName(), and Reset().

◆ m_cached_name_with_path

wxString SCH_CONNECTION::m_cached_name_with_path

private

Full name including sheet path (if not global)

Definition at line 265 of file sch_connection.h.

Referenced by Name(), recacheName(), and Reset().

◆ m_dirty

bool SCH_CONNECTION::m_dirty

private

Definition at line 240 of file sch_connection.h.

Referenced by ClearDirty(), IsDirty(), Reset(), and SetDirty().

◆ m_driver

SCH_ITEM* SCH_CONNECTION::m_driver

private

The SCH_ITEM that drives this connection's net.

Definition at line 257 of file sch_connection.h.

Referenced by ClearDriverChanged(), Clone(), Driver(), CONNECTION_GRAPH::GetBusesNeedingMigration(), HasDriverChanged(), operator==(), recacheName(), Reset(), and SetDriver().

◆ m_graph

CONNECTION_GRAPH* SCH_CONNECTION::m_graph

private

Pointer to the connection graph for the schematic this connection exists on.

Needed for bus alias lookups.

Definition at line 314 of file sch_connection.h.

Referenced by AppendInfoToMsgPanel(), Clone(), ConfigureFromLabel(), and SetGraph().

◆ m_lastDriver

void* SCH_CONNECTION::m_lastDriver

private

WEAK POINTER (there is no guarantee it is still allocated) Equality comparisons are OK, but that's pretty much it.

Definition at line 254 of file sch_connection.h.

Referenced by ClearDriverChanged(), GetLastDriver(), HasDriverChanged(), and Reset().

◆ m_local_name

wxString SCH_CONNECTION::m_local_name

private

For bus members, we want to keep track of the "local" name of a member, that is, the name it takes on from its parent bus name.

This is because we always want to use the local name for bus unfolding, matching within buses, etc. The actual resolved name of this bus member might change, for example if it's connected elsewhere to some other item with higher priority.

Definition at line 274 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), FullLocalName(), LocalName(), and Reset().

◆ m_local_prefix

wxString SCH_CONNECTION::m_local_prefix

private

Local prefix for group bus members (used with m_local_name)

Definition at line 280 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), FullLocalName(), and Reset().

◆ m_local_sheet

SCH_SHEET_PATH SCH_CONNECTION::m_local_sheet

private

When a connection is overridden by one on a different hierarchical sheet, it will be cloned and m_sheet will point to the parent sheet.

This member stores the original sheet so that it can be used for applications such as net highlighting to retrieve the sheet of the parent item from the highlighted connection.

Definition at line 250 of file sch_connection.h.

Referenced by LocalSheet(), and SetSheet().

◆ m_members

std::vector< std::shared_ptr< SCH_CONNECTION > > SCH_CONNECTION::m_members

private

For bus connections, store a list of member connections.

NOTE: All connections that Clone() others share the list of member pointers. This seems fine at the moment.

Definition at line 308 of file sch_connection.h.

Referenced by AllMembers(), Clone(), ConfigureFromLabel(), Members(), Reset(), SetDriver(), and SetSheet().

◆ m_name

wxString SCH_CONNECTION::m_name

private

Name of the connection.

Definition at line 261 of file sch_connection.h.

Referenced by AppendInfoToMsgPanel(), Clone(), ConfigureFromLabel(), operator==(), recacheName(), Reset(), and SetName().

◆ m_net_code

int SCH_CONNECTION::m_net_code

private

Definition at line 287 of file sch_connection.h.

Referenced by Clone(), NetCode(), Reset(), and SetNetCode().

◆ m_parent

SCH_ITEM* SCH_CONNECTION::m_parent

private

The SCH_ITEM this connection is owned by.

Definition at line 252 of file sch_connection.h.

Referenced by ConfigureFromLabel(), and Parent().

◆ m_prefix

wxString SCH_CONNECTION::m_prefix

private

Prefix if connection is member of a labeled bus group (or "" if not)

Definition at line 277 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), Prefix(), recacheName(), Reset(), and SetPrefix().

◆ m_sheet

SCH_SHEET_PATH SCH_CONNECTION::m_sheet

private

The hierarchical sheet this connection is on.

Definition at line 242 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), IsDriver(), operator==(), recacheName(), SetSheet(), and Sheet().

◆ m_subgraph_code

int SCH_CONNECTION::m_subgraph_code

private

Groups directly-connected items.

Definition at line 291 of file sch_connection.h.

Referenced by AppendInfoToMsgPanel(), Reset(), SetSubgraphCode(), and SubgraphCode().

◆ m_suffix

wxString SCH_CONNECTION::m_suffix

private

Name suffix (used only for disambiguation)

Definition at line 285 of file sch_connection.h.

Referenced by Clone(), FullLocalName(), recacheName(), Reset(), SetSuffix(), and Suffix().

◆ m_type

CONNECTION_TYPE SCH_CONNECTION::m_type

private

See also: enum CONNECTION_TYPE

Definition at line 259 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), IsBus(), IsNet(), IsUnconnected(), operator==(), recacheName(), Reset(), SetType(), and Type().

◆ m_vector_end

long SCH_CONNECTION::m_vector_end

private

Lowest member of a vector bus.

Prefix name of the vector, if m_type == CONNECTION_BUS (or "" if not)

Definition at line 297 of file sch_connection.h.

Referenced by Clone(), Reset(), and VectorEnd().

◆ m_vector_index

long SCH_CONNECTION::m_vector_index

private

Index of bus vector member nets.

Definition at line 293 of file sch_connection.h.

Referenced by Reset(), and VectorIndex().

◆ m_vector_prefix

wxString SCH_CONNECTION::m_vector_prefix

private

Definition at line 300 of file sch_connection.h.

Referenced by Clone(), ConfigureFromLabel(), Reset(), and VectorPrefix().

◆ m_vector_start

long SCH_CONNECTION::m_vector_start

private

Highest member of a vector bus.

Definition at line 295 of file sch_connection.h.

Referenced by Clone(), Reset(), and VectorStart().

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ SCH_CONNECTION() [1/2]

◆ SCH_CONNECTION() [2/2]

◆ ~SCH_CONNECTION()

Member Function Documentation

◆ AllMembers()

◆ AppendInfoToMsgPanel()

◆ BusCode()

◆ BusPrefix()

◆ ClearDirty()

◆ ClearDriverChanged()

◆ Clone()

◆ ConfigureFromLabel()

◆ Driver()

◆ FullLocalName()

◆ GetLastDriver()

◆ HasDriverChanged()

◆ IsBus()

◆ IsBusLabel()

◆ IsDirty()

◆ IsDriver()

◆ IsMemberOfBus()

◆ IsNet()

◆ IsSubsetOf()

◆ IsUnconnected()

◆ LocalName()

◆ LocalSheet()

◆ Members() [1/2]

◆ Members() [2/2]

◆ MightBeBusLabel()

◆ Name()

◆ NetCode()

◆ operator!=()

◆ operator==()

◆ Parent()

◆ Prefix()

◆ PrintBusForUI()

◆ recacheName()

◆ Reset()

◆ SetBusCode()

◆ SetDirty()

◆ SetDriver()

◆ SetGraph()

◆ SetName()

◆ SetNetCode()

◆ SetPrefix()

◆ SetSheet()

◆ SetSubgraphCode()

◆ SetSuffix()

◆ SetType()

◆ Sheet()

◆ SubgraphCode()

◆ Suffix()

◆ Type()

◆ VectorEnd()

◆ VectorIndex()

◆ VectorPrefix()

◆ VectorStart()

Member Data Documentation

◆ m_bus_code

◆ m_bus_prefix

◆ m_cached_name

◆ m_cached_name_with_path

◆ m_dirty

◆ m_driver

◆ m_graph

◆ m_lastDriver

◆ m_local_name

◆ m_local_prefix

◆ m_local_sheet

◆ m_members

◆ m_name

◆ m_net_code

◆ m_parent

◆ m_prefix