kicad/eeschema/sch_sheet_path.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file sch_sheet_path.h
* Definition of the SCH_SHEET_PATH and SCH_SHEET_LIST classes for Eeschema.
*/
#ifndef CLASS_DRAWSHEET_PATH_H
#define CLASS_DRAWSHEET_PATH_H
#include <map>
#include <optional>
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#include <kiid.h>
#include <wx/string.h>
/**
* A simple container for schematic symbol instance information.
*/
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struct SYMBOL_INSTANCE_REFERENCE
{
KIID_PATH m_Path;
// Things that can be annotated:
wxString m_Reference;
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int m_Unit = 1;
// Do not use. This is left over from the dubious decision to instantiate symbol value
// and footprint fields.
wxString m_Value;
wxString m_Footprint;
// The project name associated with this instance.
wxString m_ProjectName;
};
extern bool SortSymbolInstancesByProjectUuid( const SYMBOL_INSTANCE_REFERENCE& aLhs,
const SYMBOL_INSTANCE_REFERENCE& aRhs );
/**
* A simple container for sheet instance information.
*/
struct SCH_SHEET_INSTANCE
{
KIID_PATH m_Path;
wxString m_PageNumber;
// The project name associated with this instance.
wxString m_ProjectName;
};
/**
* Complex hierarchies
*
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* A hierarchical schematic uses sheets (hierarchical sheets) included in a given sheet.
* Each sheet corresponds to a schematic drawing handled by a SCH_SCREEN structure. A
* SCH_SCREEN structure contains drawings, and have a filename to write its data. Also a
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* SCH_SCREEN displays a sheet number and the name of the sheet.
*
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* In simple (and flat) hierarchies a sheet is linked to a SCH_SCREEN, and a SCH_SCREEN is
* used by the single hierarchical sheet.
*
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* In complex hierarchies the same SCH_SCREEN (and its data) is shared by more than one sheet.
* Therefore subsheets (like subsheets in a SCH_SCREEN shared by many sheets) can also be
* shared. So the same SCH_SCREEN must handle different symbol references and unit selections
* depending on which sheet is currently selected, and how a given subsheet is selected. Two
* sheets share the same SCH_SCREEN (the same drawings) if they have the same filename.
*
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* In KiCad each symbol and sheet receives (when created) a uuid. So each sheet has 2 id: its
* uuid (which cannot change) and its name (that can be edited and therefore is not reliable
* for strong identification).
* A given sheet in a hierarchy is fully labeled by its path (or sheet path) that is the list
* of uuids found to access it through the hierarchy. The root sheet is /. All other sheets
* have a path like /1234ABCD or /4567FEDC/AA2233DD/. This path can be displayed as human
* readable sheet name like: / or /sheet1/include_sheet/ or /sheet2/include_sheet/
*
* So to know for a given SCH_SCREEN (a given schematic drawings) we must:
* 1) Handle all references possibilities.
* 2) When acceded by a given selected sheet, display (update) the
* corresponding references and sheet path
*
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* The class SCH_SHEET_PATH handles paths used to access a sheet. The class SCH_SHEET_LIST
* allows one to handle the full (or partial) list of sheets and their paths in a complex
* hierarchy. The class EDA_ScreenList allows one to handle the list of SCH_SCREEN. It is
* useful to clear or save data, but is not suitable to handle the full complex hierarchy
* possibilities (usable in flat and simple hierarchies).
*/
class EDA_ITEM;
class SCH_SHEET;
class SCH_SCREEN;
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class SCH_MARKER;
class SCH_ITEM;
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class SCH_SYMBOL;
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class SCH_REFERENCE_LIST;
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/**
* Container to map reference designators for multi-unit parts.
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*/
typedef std::map<wxString, SCH_REFERENCE_LIST> SCH_MULTI_UNIT_REFERENCE_MAP;
/**
* Handle access to a stack of flattened #SCH_SHEET objects by way of a path for
* creating a flattened schematic hierarchy.
*
* The #SCH_SHEET objects are stored in a list from first (usually the root sheet) to a
* given sheet in last position. The _last_ sheet is usually the sheet we want to select
* or reach (which is what the function Last() returns). Others sheets constitute the
* "path" from the first to the last sheet.
*/
class SCH_SHEET_PATH
{
public:
SCH_SHEET_PATH();
SCH_SHEET_PATH( const SCH_SHEET_PATH& aOther );
SCH_SHEET_PATH& operator=( const SCH_SHEET_PATH& aOther );
SCH_SHEET_PATH operator+( const SCH_SHEET_PATH& aOther );
~SCH_SHEET_PATH() = default;
/// Forwarded method from std::vector
SCH_SHEET* at( size_t aIndex ) const { return m_sheets.at( aIndex ); }
/// Forwarded method from std::vector
void clear()
{
m_sheets.clear();
Rehash();
}
/// Forwarded method from std::vector
bool empty() const { return m_sheets.empty(); }
/// Forwarded method from std::vector
void pop_back()
{
m_sheets.pop_back();
Rehash();
}
/// Forwarded method from std::vector
void push_back( SCH_SHEET* aSheet )
{
m_sheets.push_back( aSheet );
Rehash();
}
/// Forwarded method from std::vector
size_t size() const { return m_sheets.size(); }
std::vector<SCH_SHEET*>::iterator erase( std::vector<SCH_SHEET*>::const_iterator aPosition )
{
return m_sheets.erase( aPosition );
}
void Rehash();
size_t GetCurrentHash() const { return m_current_hash; }
/**
* Set the sheet instance virtual page number.
*
* Virtual page numbers are incremental integers set automatically when the sheet path
* hierarchy is created (@see #SCH_SHEET_LIST::BuildSheetList). The virtual page
* numbering is ordered by the X and Y position of the sheet in a schematic which
* mimics the page numbering code prior to the addition of actual user definable page
* numbers. Virtual page numbers should only be use when annotating schematics.
*/
void SetVirtualPageNumber( int aPageNumber ) { m_virtualPageNumber = aPageNumber; }
int GetVirtualPageNumber() const { return m_virtualPageNumber; }
/**
* Set the sheet instance user definable page number.
*
* @note User definable page numbers can be any string devoid of white space characters.
*/
void SetPageNumber( const wxString& aPageNumber );
wxString GetPageNumber() const;
const SCH_SHEET* GetSheet( unsigned aIndex ) const
{
SCH_SHEET* retv = nullptr;
if( aIndex < size() )
retv = at( aIndex );
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return retv;
}
bool IsFullPath() const;
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/**
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* Compare if this is the same sheet path as \a aSheetPathToTest.
*
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* @param aSheetPathToTest is the sheet path to compare.
* @return 1 if this sheet path has more sheets than aSheetPathToTest,
* -1 if this sheet path has fewer sheets than aSheetPathToTest,
* or 0 if same
*/
int Cmp( const SCH_SHEET_PATH& aSheetPathToTest ) const;
/**
* Compare sheets by their page number. If the actual page number is equal, use virtual page
* numbers to compare.
*
* @return -1 if aSheetPathToTest is greater than this (should appear later in the sort order)
* 0 if aSheetPathToTest is equal to this
* 1 if aSheetPathToTest is less than this (should appear earlier in the sort order)
*/
int ComparePageNum( const SCH_SHEET_PATH& aSheetPathToTest ) const;
/**
* Check if this path is contained inside aSheetPathToTest.
*
* @param aSheetPathToTest is the sheet path to compare against.
* @return true if this path is contained inside or equal to aSheetPathToTest.
*/
bool IsContainedWithin( const SCH_SHEET_PATH& aSheetPathToTest ) const;
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/**
* Return a pointer to the last #SCH_SHEET of the list.
*
* One can see the others sheet as the "path" to reach this last sheet.
*/
SCH_SHEET* Last() const;
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/**
* @return the #SCH_SCREEN relative to the last sheet in list.
*/
SCH_SCREEN* LastScreen();
///< @copydoc SCH_SHEET_PATH::LastScreen()
SCH_SCREEN* LastScreen() const;
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/**
* Return the path of time stamps which do not changes even when editing sheet parameters.
*
* A path is something like / (root) or /34005677 or /34005677/00AE4523.
*/
wxString PathAsString() const;
/**
* Get the sheet path as an #KIID_PATH.
*
* @note This #KIID_PATH includes the root sheet UUID prefixed to the path.
*/
KIID_PATH Path() const;
/**
* Return the sheet path in a human readable form made from the sheet names.
*
* The "normal" path instead uses the #KIID objects in the path that do not change
* even when editing sheet parameters.
*/
wxString PathHumanReadable( bool aUseShortRootName = true,
bool aStripTrailingSeparator = false ) const;
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/**
* Update all the symbol references for this sheet path.
*
* Mandatory in complex hierarchies because sheets may use the same screen (basic schematic)
* more than once but with different references and units according to the displayed sheet.
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*/
void UpdateAllScreenReferences() const;
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/**
* Append a #SCH_REFERENCE object to \a aReferences based on \a aSymbol
*
* @param aReferences List of references to populate.
* @param aSymbol A symbol to add to aReferences
* @param aIncludePowerSymbols set to false to only get normal symbols.
* @param aForceIncludeOrphanSymbols set to true to include symbols having no symbol found
* in lib. The normal option is false, and set to true
* only to build the full list of symbols.
*/
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void AppendSymbol( SCH_REFERENCE_LIST& aReferences, SCH_SYMBOL* aSymbol,
bool aIncludePowerSymbols = true,
bool aForceIncludeOrphanSymbols = false ) const;
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/**
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* Adds #SCH_REFERENCE object to \a aReferences for each symbol in the sheet.
*
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* @param aReferences List of references to populate.
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* @param aIncludePowerSymbols set to false to only get normal symbols.
* @param aForceIncludeOrphanSymbols set to true to include symbols having no symbol found
* in lib. The normal option is false, and set to true
* only to build the full list of symbols.
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*/
void GetSymbols( SCH_REFERENCE_LIST& aReferences, bool aIncludePowerSymbols = true,
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bool aForceIncludeOrphanSymbols = false ) const;
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/**
* Append a #SCH_REFERENCE_LIST object to \a aRefList based on \a aSymbol,
* storing same-reference set of multi-unit parts together.
*
* The map key for each element will be the reference designator.
*
* @param aRefList Map of reference designators to reference lists
* @param aSymbol A symbol to add to aRefList
* @param aIncludePowerSymbols Set to false to only get normal symbols.
*/
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void AppendMultiUnitSymbol( SCH_MULTI_UNIT_REFERENCE_MAP& aRefList, SCH_SYMBOL* aSymbol,
bool aIncludePowerSymbols = true ) const;
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/**
* Add a #SCH_REFERENCE_LIST object to \a aRefList for each same-reference set of
* multi-unit parts in the sheet.
*
* The map key for each element will be the reference designator.
*
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* @param aRefList Map of reference designators to reference lists
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* @param aIncludePowerSymbols Set to false to only get normal symbols.
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*/
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void GetMultiUnitSymbols( SCH_MULTI_UNIT_REFERENCE_MAP &aRefList,
bool aIncludePowerSymbols = true ) const;
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/**
* Test the SCH_SHEET_PATH file names to check adding the sheet stored in the file
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* \a aSrcFileName to the sheet stored in file \a aDestFileName will cause a sheet
* path recursion.
*
* @param aSrcFileName is the source file name of the sheet add to \a aDestFileName.
* @param aDestFileName is the file name of the destination sheet for \a aSrcFileName.
* @return true if \a aFileName will cause recursion in the sheet path. Otherwise false.
*/
bool TestForRecursion( const wxString& aSrcFileName, const wxString& aDestFileName );
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/**
* Make the sheet file name relative to its parent sheet.
*
* This should only be called when changing the parent sheet path such performing a save
* as or a new schematic without a project in stand alone mode. The sheet file name is
* only made relative if the current file name is relative. Absolute sheet file name paths
* are a user choice so do not change them.
*
* Sheet file name paths are set according to the following criteria:
* - If the sheet file name path is in the same as the parent sheet file name path, set
* the sheet file name to just the file name and extension with no path.
* - If the sheet file name path can be made relative to the parent sheet file name path,
* set the sheet file name using the relative path.
* - If the sheet file name path cannot be converted to a relative path, then fall back to
* the absolute file name path.
*/
void MakeFilePathRelativeToParentSheet();
/**
* Attempt to add new symbol instances for all symbols in this sheet path prefixed
* with \a aPrefixSheetPath.
*
* The new symbol instance data will be assigned by the following criteria:
* - If the instance data can be found for this sheet path, use the instance data.
* - If the instance data cannot be found for this sheet path and the instance data cache
* for the symbol is not empty, use the first instance data in the cache.
* - If the cache is empty and the library symbol link is valid, set the instance data
* from the library symbol.
* - If all else fails, set the reference to "U?", the unit to 1, and everything else to
* an empty string.
*/
void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
void RemoveSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
int AddNewSheetInstances( const SCH_SHEET_PATH& aPrefixSheetPath, int aNextVirtualPageNumber );
bool operator==( const SCH_SHEET_PATH& d1 ) const;
bool operator!=( const SCH_SHEET_PATH& d1 ) const { return !( *this == d1 ) ; }
bool operator<( const SCH_SHEET_PATH& d1 ) const { return m_sheets < d1.m_sheets; }
private:
void initFromOther( const SCH_SHEET_PATH& aOther );
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protected:
std::vector< SCH_SHEET* > m_sheets;
size_t m_current_hash;
int m_virtualPageNumber; /// Page numbers are maintained by the sheet load order.
std::map<std::pair<wxString, wxString>, bool> m_recursion_test_cache;
};
namespace std
{
template<> struct hash<SCH_SHEET_PATH>
{
size_t operator()( const SCH_SHEET_PATH& path ) const;
};
}
struct SHEET_PATH_HASH
{
const size_t operator()( const SCH_SHEET_PATH& path ) const
{
return path.GetCurrentHash();
}
};
struct SHEET_PATH_CMP
{
bool operator()( const SCH_SHEET_PATH& lhs, const SCH_SHEET_PATH& rhs ) const
{
return lhs.GetCurrentHash() < rhs.GetCurrentHash();
}
};
typedef std::vector< SCH_SHEET_PATH > SCH_SHEET_PATHS;
typedef SCH_SHEET_PATHS::iterator SCH_SHEET_PATHS_ITER;
/**
* A container for handling #SCH_SHEET_PATH objects in a flattened hierarchy.
*
* #SCH_SHEET objects are not unique, there can be many sheets with the same filename and
* that share the same #SCH_SCREEN reference. Each The schematic file (#SCH_SCREEN) may
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* be shared between these sheets and symbol references are specific to a sheet path.
* When a sheet is entered, symbol references and sheet page number are updated.
*/
class SCH_SHEET_LIST : public SCH_SHEET_PATHS
{
public:
/**
* Construct a flattened list of SCH_SHEET_PATH objects from \a aSheet.
*
* If aSheet == NULL, then this is an empty hierarchy which the user can populate.
*/
SCH_SHEET_LIST( SCH_SHEET* aSheet = nullptr, bool aCheckIntegrity = false );
~SCH_SHEET_LIST() {}
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/**
* Check the entire hierarchy for any modifications.
*
* @return True if the hierarchy is modified otherwise false.
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*/
bool IsModified() const;
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void ClearModifyStatus();
/**
* Fetch a SCH_ITEM by ID. Also returns the sheet the item was found on in \a aPathOut.
*/
SCH_ITEM* GetItem( const KIID& aID, SCH_SHEET_PATH* aPathOut = nullptr ) const;
/**
* Fill an item cache for temporary use when many items need to be fetched.
*/
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void FillItemMap( std::map<KIID, EDA_ITEM*>& aMap );
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/**
* Silently annotate the not yet annotated power symbols of the entire hierarchy of the
* sheet path list.
*
* It is called before creating a netlist, to annotate power symbols, without prompting
* the user about not annotated or duplicate for these symbols, if only these symbols
* need annotation ( a very frequent case ).
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*/
void AnnotatePowerSymbols();
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/**
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* Add a #SCH_REFERENCE object to \a aReferences for each symbol in the list of sheets.
*
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* @param aReferences List of references to populate.
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* @param aIncludePowerSymbols Set to false to only get normal symbols.
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* @param aForceIncludeOrphanSymbols Set to true to include symbols having no symbol found
* in lib. The normal option is false, and set to true
* only to build the full list of symbols.
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*/
void GetSymbols( SCH_REFERENCE_LIST& aReferences, bool aIncludePowerSymbols = true,
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bool aForceIncludeOrphanSymbols = false ) const;
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/**
* Add a #SCH_REFERENCE object to \a aReferences for each symbol in the list of sheets that are
* contained within \a aSheetPath as well as recursively downwards inside aSheetPath.
*
* @param aReferences List of references to populate.
* @param aSheetPath Path to return symbols from
* @param aIncludePowerSymbols Set to false to only get normal symbols.
* @param aForceIncludeOrphanSymbols Set to true to include symbols having no symbol found
* in lib. The normal option is false, and set to true
* only to build the full list of symbols.
*/
void GetSymbolsWithinPath( SCH_REFERENCE_LIST& aReferences, const SCH_SHEET_PATH& aSheetPath,
bool aIncludePowerSymbols = true,
bool aForceIncludeOrphanSymbols = false ) const;
/**
* Add a #SCH_SHEET_PATH object to \a aSheets for each sheet in the list that are
* contained within \a aSheetPath as well as recursively downwards inside aSheetPath.
*
* @param aReferences List of sheets to populate.
* @param aSheetPath Path to return sheets from
*/
void GetSheetsWithinPath( SCH_SHEET_PATHS& aSheets, const SCH_SHEET_PATH& aSheetPath ) const;
/**
* Finds a SCH_SHEET_PATH that matches the provided KIID_PATH.
*
* @param aPath The KIID_PATH to search for.
*/
std::optional<SCH_SHEET_PATH> GetSheetPathByKIIDPath( const KIID_PATH& aPath ) const;
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/**
* Add a #SCH_REFERENCE_LIST object to \a aRefList for each same-reference set of
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* multi-unit parts in the list of sheets. The map key for each element will be the
* reference designator.
*
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* @param aRefList Map of reference designators to reference lists
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* @param aIncludePowerSymbols Set to false to only get normal symbols.
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*/
void GetMultiUnitSymbols( SCH_MULTI_UNIT_REFERENCE_MAP &aRefList,
bool aIncludePowerSymbols = true ) const;
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/**
* Test every #SCH_SHEET_PATH in this #SCH_SHEET_LIST to verify if adding the sheets stored
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* in \a aSrcSheetHierarchy to the sheet stored in \a aDestFileName will cause recursion.
*
* @param aSrcSheetHierarchy is the SCH_SHEET_LIST of the source sheet add to \a aDestFileName.
* @param aDestFileName is the file name of the destination sheet for \a aSrcFileName.
* @return true if \a aFileName will cause recursion in the sheet path. Otherwise false.
*/
bool TestForRecursion( const SCH_SHEET_LIST& aSrcSheetHierarchy,
const wxString& aDestFileName );
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/**
* Return a pointer to the first #SCH_SHEET_PATH object (not necessarily the only one)
* matching the provided path. Returns nullptr if not found.
*/
SCH_SHEET_PATH* FindSheetForPath( const SCH_SHEET_PATH* aPath );
/**
* Return a pointer to the first #SCH_SHEET_PATH object (not necessarily the only one) using
* a particular screen.
*/
SCH_SHEET_PATH* FindSheetForScreen( const SCH_SCREEN* aScreen );
/**
* Return a #SCH_SHEET_LIST with a copy of all the #SCH_SHEET_PATH using a particular screen.
*/
SCH_SHEET_LIST FindAllSheetsForScreen( const SCH_SCREEN* aScreen ) const;
/**
* Build the list of sheets and their sheet path from \a aSheet.
*
* If \a aSheet is the root sheet, the full sheet path and sheet list are built.
*
* The list will be ordered as per #SCH_SCREEN::GetSheets which results in sheets being ordered
* in the legacy way of using the X and Y positions of the sheets.
*
* @see #SortByPageNumbers to sort by page numbers
*
* @param aSheet is the starting sheet from which the list is built, or NULL
* indicating that g_RootSheet should be used.
* @throw std::bad_alloc if the memory for the sheet path list could not be allocated.
*/
void BuildSheetList( SCH_SHEET* aSheet, bool aCheckIntegrity );
/**
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* Sort the list of sheets by page number. This should be called after #BuildSheetList
*
* If page numbers happen to be equal, then it compares the sheet names to ensure deterministic
* ordering.
*
* @param aUpdateVirtualPageNums If true, updates the virtual page numbers to match the new
* ordering
*/
void SortByPageNumbers( bool aUpdateVirtualPageNums = true );
bool NameExists( const wxString& aSheetName ) const;
bool PageNumberExists( const wxString& aPageNumber ) const;
/**
* Update all of the symbol instance information using \a aSymbolInstances.
* WARNING: Do not call this on anything other than the full hierarchy.
* @param aSymbolInstances is the symbol path information loaded from the root schematic.
*/
void UpdateSymbolInstanceData( const std::vector<SYMBOL_INSTANCE_REFERENCE>& aSymbolInstances );
/**
* Update all of the sheet instance information using \a aSheetInstances.
*
* @warning Do not call this on anything other than the full hierarchy.
*
* @param aSymbolInstances is the symbol path information loaded from the root schematic.
*/
void UpdateSheetInstanceData( const std::vector<SCH_SHEET_INSTANCE>& aSheetInstances );
std::vector<KIID_PATH> GetPaths() const;
/**
* Fetch the instance information for all of the sheets in the hiearchy.
*
* @return all of the sheet instance data for the hierarchy.
*/
std::vector<SCH_SHEET_INSTANCE> GetSheetInstances() const;
/**
* Check all of the sheet instance for empty page numbers.
*
* @note This should only return true when loading a legacy schematic or an s-expression
* schematic before version 20201005.
*
* @return true if all sheet instance page numbers are not defined. Otherwise false.
*/
bool AllSheetPageNumbersEmpty() const;
/**
* Set initial sheet page numbers.
*
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* The number scheme is base on the old pseudo sheet numbering algorithm prior to
* the implementation of user definable sheet page numbers.
*/
void SetInitialPageNumbers();
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/**
* Attempt to add new symbol instances for all symbols in this list of sheet paths prefixed
* with \a aPrefixSheetPath.
*
* @param aPrefixSheetPath is the sheet path to append the new symbol instances to.
*/
void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
void AddNewSheetInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
int aLastVirtualPageNumber );
int GetLastVirtualPageNumber() const;
void RemoveSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
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private:
SCH_SHEET_PATH m_currentSheetPath;
};
#endif // CLASS_DRAWSHEET_PATH_H