479 lines
17 KiB
C++
479 lines
17 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
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* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file sch_sheet_path.h
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* @brief Definition of the SCH_SHEET_PATH and SCH_SHEET_LIST classes for Eeschema.
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*/
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#ifndef CLASS_DRAWSHEET_PATH_H
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#define CLASS_DRAWSHEET_PATH_H
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#include <base_struct.h>
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#include <erc_item.h>
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#include <map>
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/** Info about complex hierarchies handling:
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* A hierarchical schematic uses sheets (hierarchical sheets) included in a
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* given sheet. Each sheet corresponds to a schematic drawing handled by a
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* SCH_SCREEN structure. A SCH_SCREEN structure contains drawings, and have
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* a filename to write it's data. Also a SCH_SCREEN display a sheet number
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* and the name of the sheet.
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*
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* In simple (and flat) hierarchies a sheet is linked to a SCH_SCREEN,
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* and a SCH_SCREEN is used by only one hierarchical sheet.
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*
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* In complex hierarchies the same SCH_SCREEN (and its data) is shared between
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* more than one sheet. Therefore subsheets (like subsheets in a SCH_SCREEN
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* shared by many sheets) can be also shared. So the same SCH_SCREEN must
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* handle different components references and parts selection depending on
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* which sheet is currently selected, and how a given subsheet is selected.
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* 2 sheets share the same SCH_SCREEN (the same drawings) if they have the
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* same filename.
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*
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* In KiCad each component and sheet receives (when created) an unique
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* identification called Time Stamp. So each sheet has 2 ids: its time stamp
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* (that cannot change) and its name ( that can be edited and therefore is
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* not reliable for strong identification). KiCad uses Time Stamp ( a unique
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* 32 bit id), to identify sheets in hierarchies.
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* A given sheet in a hierarchy is fully labeled by its path (or sheet path)
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* that is the list of time stamp found to access it through the hierarchy
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* the root sheet is /. All other sheets have a path like /1234ABCD or
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* /4567FEDC/AA2233DD/. This path can be displayed as human readable sheet
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* name like: / or /sheet1/include_sheet/ or /sheet2/include_sheet/
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*
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* So to know for a given SCH_SCREEN (a given schematic drawings) we must:
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* 1) Handle all references possibilities.
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* 2) When acceded by a given selected sheet, display (update) the
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* corresponding references and sheet path
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*
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* The class SCH_SHEET_PATH handles paths used to access a sheet. The class
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* SCH_SHEET_LIST allows one to handle the full (or partial) list of sheets and
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* their paths in a complex hierarchy. The class EDA_ScreenList allows one
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* to handle the list of SCH_SCREEN. It is useful to clear or save data,
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* but is not suitable to handle the full complex hierarchy possibilities
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* (usable in flat and simple hierarchies).
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*/
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class wxFindReplaceData;
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class SCH_SHEET;
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class SCH_SCREEN;
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class SCH_MARKER;
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class SCH_ITEM;
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class SCH_REFERENCE_LIST;
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/**
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* Type SCH_MULTI_UNIT_REFERENCE_MAP
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* is used to create a map of reference designators for multi-unit parts.
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*/
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typedef std::map<wxString, SCH_REFERENCE_LIST> SCH_MULTI_UNIT_REFERENCE_MAP;
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/**
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* SCH_SHEET_PATH
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*
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* handles access to a stack of flattened #SCH_SHEET objects by way of a path for
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* creating a flattened schematic hierarchy.
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*
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* <p>
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* The #SCH_SHEET objects are stored in a list from first (usually the root sheet) to a
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* given sheet in last position. The _last_ sheet is usually the sheet we want to select
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* or reach (which is what the function Last() returns). Others sheets constitute the
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* "path" from the first to the last sheet.
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* </p>
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*/
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class SCH_SHEET_PATH
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{
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protected:
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std::vector< SCH_SHEET* > m_sheets;
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size_t m_current_hash;
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int m_pageNumber; /// Page numbers are maintained by the sheet load order.
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public:
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SCH_SHEET_PATH();
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/// Forwarded method from std::vector
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SCH_SHEET* at( size_t aIndex ) const { return m_sheets.at( aIndex ); }
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/// Forwarded method from std::vector
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void clear()
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{
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m_sheets.clear();
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Rehash();
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}
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/// Forwarded method from std::vector
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bool empty() const { return m_sheets.empty(); }
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/// Forwarded method from std::vector
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void pop_back()
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{
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m_sheets.pop_back();
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Rehash();
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}
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/// Forwarded method from std::vector
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void push_back( SCH_SHEET* aSheet )
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{
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m_sheets.push_back( aSheet );
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Rehash();
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}
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/// Forwarded method from std::vector
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size_t size() const { return m_sheets.size(); }
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void Rehash();
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size_t GetCurrentHash() const { return m_current_hash; }
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void SetPageNumber( int aPageNumber ) { m_pageNumber = aPageNumber; }
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int GetPageNumber() const { return m_pageNumber; }
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const SCH_SHEET* GetSheet( unsigned aIndex ) const
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{
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SCH_SHEET* retv = NULL;
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if( aIndex < size() )
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retv = at( aIndex );
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return const_cast< SCH_SHEET* >( retv );
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}
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/**
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* Function Cmp
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* Compare if this is the same sheet path as aSheetPathToTest
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* @param aSheetPathToTest = sheet path to compare
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* @return 1 if this sheet path has more sheets than aSheetPathToTest,
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* -1 if this sheet path has fewer sheets than aSheetPathToTest,
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* or 0 if same
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*/
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int Cmp( const SCH_SHEET_PATH& aSheetPathToTest ) const;
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/**
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* Function Last
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* returns a pointer to the last sheet of the list
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* One can see the others sheet as the "path" to reach this last sheet
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*/
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SCH_SHEET* Last() const;
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/**
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* Function LastScreen
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* @return the SCH_SCREEN relative to the last sheet in list
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*/
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SCH_SCREEN* LastScreen();
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///> @copydoc SCH_SHEET_PATH::LastScreen()
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SCH_SCREEN* LastScreen() const;
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/**
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* Function PathAsString
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* the path uses the time stamps which do not changes even when editing
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* sheet parameters
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* a path is something like / (root) or /34005677 or /34005677/00AE4523
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*/
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wxString PathAsString() const;
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/**
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* Get the sheet path as an KIID_PATH.
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* @return
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*/
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KIID_PATH Path() const;
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/**
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* Function PathHumanReadable
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* returns the sheet path in a human readable form, i.e. as a path made
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* from sheet names. The the "normal" path instead uses the time
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* stamps in the path. (Time stamps do not change even when editing
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* sheet parameters).
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*/
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wxString PathHumanReadable() const;
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/**
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* @return a PathName for the root sheet (like "/" or "<root>"
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* @param aUseShortName: true to return "/", false to return a longer name
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*/
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static wxString GetRootPathName( bool aUseShortName = true );
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/**
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* Function UpdateAllScreenReferences
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* updates the reference and the m_Multi parameter (part selection) for all
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* components on a screen depending on the actual sheet path.
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* Mandatory in complex hierarchies because sheets use the same screen
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* (basic schematic)
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* but with different references and part selections according to the
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* displayed sheet
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*/
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void UpdateAllScreenReferences();
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/**
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* Function GetComponents
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* adds a SCH_REFERENCE() object to \a aReferences for each component in the sheet.
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*
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* @param aReferences List of references to populate.
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* @param aIncludePowerSymbols : false to only get normal components.
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* @param aForceIncludeOrphanComponents : true to include components having no symbol found in lib.
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* ( orphan components)
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* The normal option is false, and set to true only to build the full list of components.
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*/
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void GetComponents( SCH_REFERENCE_LIST& aReferences, bool aIncludePowerSymbols = true,
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bool aForceIncludeOrphanComponents = false );
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/**
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* Function GetMultiUnitComponents
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* adds a SCH_REFERENCE_LIST object to \a aRefList for each same-reference set of
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* multi-unit parts in the sheet. The map key for each element will be the
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* reference designator.
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*
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* @param aRefList Map of reference designators to reference lists
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* @param aIncludePowerSymbols : false to only get normal components.
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*/
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void GetMultiUnitComponents( SCH_MULTI_UNIT_REFERENCE_MAP &aRefList,
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bool aIncludePowerSymbols = true );
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/**
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* Function SetFootprintField
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* searches last sheet in the path for a component with \a aReference and set the footprint
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* field to \a aFootPrint if found.
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*
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* @param aReference The reference designator of the component.
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* @param aFootPrint The value to set the footprint field.
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* @param aSetVisible The value to set the field visibility flag.
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* @return true if \a aReference was found otherwise false.
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*/
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bool SetComponentFootprint( const wxString& aReference, const wxString& aFootPrint,
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bool aSetVisible );
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/**
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* Function TestForRecursion
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*
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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
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* path recursion.
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*
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* @param aSrcFileName is the source file name of the sheet add to \a aDestFileName.
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* @param aDestFileName is the file name of the destination sheet for \a aSrcFileName.
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* @return true if \a aFileName will cause recursion in the sheet path. Otherwise false.
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*/
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bool TestForRecursion( const wxString& aSrcFileName, const wxString& aDestFileName ) const;
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bool operator==( const SCH_SHEET_PATH& d1 ) const;
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bool operator!=( const SCH_SHEET_PATH& d1 ) const { return !( *this == d1 ) ; }
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bool operator<( const SCH_SHEET_PATH& d1 ) const { return m_sheets < d1.m_sheets; }
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};
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namespace std
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{
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template<> struct hash<SCH_SHEET_PATH>
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{
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size_t operator()( const SCH_SHEET_PATH& path ) const;
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};
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}
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typedef std::vector< SCH_SHEET_PATH > SCH_SHEET_PATHS;
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typedef SCH_SHEET_PATHS::iterator SCH_SHEET_PATHS_ITER;
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/**
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* SCH_SHEET_LIST
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*
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* handles a list of #SCH_SHEET_PATH objects in a flattened hierarchy.
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*
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* #SCH_SHEET objects are not unique, there can be many sheets with the same filename and
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* that share the same #SCH_SCREEN reference. Each The schematic file (#SCH_SCREEN) may
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* be shared between these sheets and component references are specific to a sheet path.
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* When a sheet is entered, component references and sheet page number are updated.
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*/
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class SCH_SHEET_LIST : public SCH_SHEET_PATHS
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{
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private:
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bool m_isRootSheet;
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SCH_SHEET_PATH m_currentSheetPath;
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public:
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/**
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* Constructor
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* build a flattened list of SCH_SHEET_PATH objects from \a aSheet.
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*
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* If aSheet == NULL, then this is an empty hierarchy which the user can populate.
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*/
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SCH_SHEET_LIST( SCH_SHEET* aSheet = NULL );
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~SCH_SHEET_LIST() {}
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/**
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* Function IsModified
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* checks the entire hierarchy for any modifications.
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* @return True if the hierarchy is modified otherwise false.
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*/
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bool IsModified();
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void ClearModifyStatus();
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/**
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* Fetch a SCH_ITEM by ID. Also returns the sheet the item was found on in \a aPathOut.
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*/
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SCH_ITEM* GetItem( const KIID& aID, SCH_SHEET_PATH* aPathOut );
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/**
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* Fill an item cache for temporary use when many items need to be fetched.
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*/
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void FillItemMap( std::map<KIID, EDA_ITEM*>& aMap );
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/**
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* Function AnnotatePowerSymbols
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* Silently annotates the not yet annotated power symbols of the entire hierarchy
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* of the sheet path list.
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* It is called before creating a netlist, to annotate power symbols, without prompting
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* the user about not annotated or duplicate for these symbols, if only these symbols
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* need annotation ( a very frequent case ).
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*/
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void AnnotatePowerSymbols();
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/**
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* Function GetComponents
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* adds a SCH_REFERENCE() object to \a aReferences for each component in the list
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* of sheets.
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*
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* @param aReferences List of references to populate.
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* @param aIncludePowerSymbols Set to false to only get normal components.
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* @param aForceIncludeOrphanComponents : true to include components having no symbol found in lib.
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* ( orphan components)
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* The normal option is false, and set to true only to build the full list of components.
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*/
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void GetComponents( SCH_REFERENCE_LIST& aReferences, bool aIncludePowerSymbols = true,
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bool aForceIncludeOrphanComponents = false );
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/**
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* Function GetMultiUnitComponents
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* adds 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
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* reference designator.
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*
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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 components.
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*/
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void GetMultiUnitComponents( SCH_MULTI_UNIT_REFERENCE_MAP &aRefList,
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bool aIncludePowerSymbols = true );
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/**
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* Function SetFootprintField
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* searches all the sheets for a component with \a aReference and set the footprint
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* field to \a aFootPrint if found.
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*
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* @param aReference The reference designator of the component.
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* @param aFootPrint The value to set the footprint field.
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* @param aSetVisible The value to set the field visibility flag.
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* @return True if \a aReference was found otherwise false.
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*/
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bool SetComponentFootprint( const wxString& aReference, const wxString& aFootPrint,
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bool aSetVisible );
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/**
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* Function IsComplexHierarchy
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* searches all of the sheets for duplicate files names which indicates a complex
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* hierarchy.
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*
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* @return true if the #SCH_SHEET_LIST is a complex hierarchy.
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*/
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bool IsComplexHierarchy() const;
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/**
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* Function TestForRecursion
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*
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* test every SCH_SHEET_PATH in the 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.
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*
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* @param aSrcSheetHierarchy is the SCH_SHEET_LIST of the source sheet add to \a aDestFileName.
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* @param aDestFileName is the file name of the destination sheet for \a aSrcFileName.
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* @return true if \a aFileName will cause recursion in the sheet path. Otherwise false.
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*/
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bool TestForRecursion( const SCH_SHEET_LIST& aSrcSheetHierarchy,
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const wxString& aDestFileName ) const;
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/**
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* Function FindSheetForScreen
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*
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* returns the first sheetPath (not necessarily the only one) using a particular screen
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*/
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SCH_SHEET_PATH* FindSheetForScreen( SCH_SCREEN* aScreen );
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/**
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* Function BuildSheetList
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* builds the list of sheets and their sheet path from \a aSheet.
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* If \a aSheet is the root sheet, the full sheet path and sheet list are built.
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*
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* @param aSheet is the starting sheet from which the list is built, or NULL
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* indicating that g_RootSheet should be used.
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* @throw std::bad_alloc if the memory for the sheet path list could not be allocated.
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*/
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void BuildSheetList( SCH_SHEET* aSheet );
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bool NameExists( const wxString& aSheetName );
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};
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/**
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* SHEETLIST_ERC_ITEMS_PROVIDER
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* is an implementation of the RC_ITEM_LISTinterface which uses the global SHEETLIST
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* to fulfill the contract.
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*/
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class SHEETLIST_ERC_ITEMS_PROVIDER : public RC_ITEMS_PROVIDER
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{
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private:
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int m_severities;
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std::vector<SCH_MARKER*> m_filteredMarkers;
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public:
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SHEETLIST_ERC_ITEMS_PROVIDER() :
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m_severities( 0 )
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{ }
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void SetSeverities( int aSeverities ) override;
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int GetCount( int aSeverity = -1 ) override;
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ERC_ITEM* GetItem( int aIndex ) override;
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void DeleteItem( int aIndex, bool aDeep ) override;
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void DeleteAllItems() override;
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};
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#endif // CLASS_DRAWSHEET_PATH_H
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