83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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/*
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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) 2009 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) 2009-2023 KiCad Developers, see change_log.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 erc_sch_pin_context.h
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*/
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#ifndef _ERC_ITEM_CONTEXT_H
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#define _ERC_ITEM_CONTEXT_H
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#include <sch_pin.h>
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#include <boost/functional/hash.hpp>
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/**
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* A class used to associate a SCH_PIN with its owning SCH_SHEET_PATH, in order to handle ERC checks
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* across connected common hierarchical schematics
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*/
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class ERC_SCH_PIN_CONTEXT
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{
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protected:
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SCH_PIN* m_pin;
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SCH_SHEET_PATH m_sheet;
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size_t m_hash;
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public:
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ERC_SCH_PIN_CONTEXT() : m_pin( nullptr ), m_sheet(), m_hash( 0 ) {}
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ERC_SCH_PIN_CONTEXT( SCH_PIN* pin, SCH_SHEET_PATH sheet ) : m_pin( pin ), m_sheet( sheet )
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{
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rehash();
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}
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ERC_SCH_PIN_CONTEXT( const ERC_SCH_PIN_CONTEXT& other ) = default;
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ERC_SCH_PIN_CONTEXT& operator=( const ERC_SCH_PIN_CONTEXT& other ) = default;
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~ERC_SCH_PIN_CONTEXT() = default;
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/**
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* Gets the SCH_PIN for this context
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*/
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SCH_PIN* Pin();
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/**
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* Gets the SCH_SHEET_PATH context for the paired SCH_PIN
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*/
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SCH_SHEET_PATH& Sheet();
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bool operator==( const ERC_SCH_PIN_CONTEXT& other ) const;
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bool operator<( const ERC_SCH_PIN_CONTEXT& other ) const;
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protected:
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/**
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* Calculates the deterministic hash for this context
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*/
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void rehash();
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};
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#endif //_ERC_ITEM_CONTEXT_H
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