kiid.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 Ian McInerney <[email protected]>
 * Copyright (C) 2007-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 1992-2023 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
 */
 
#ifndef KIID_H
#define KIID_H
 
#include <kicommon.h>
#include <boost/uuid/uuid.hpp>
#include <macros_swig.h>
#include <nlohmann/json_fwd.hpp>
 
#include <string>
 
class wxString;
 
typedef uint32_t timestamp_t;
 
class KICOMMON_API KIID
{
public:
 KIID();
 KIID( int null );
 KIID( const std::string& aString );
 KIID( const char* aString );
 KIID( const wxString& aString );
 KIID( timestamp_t aTimestamp );
 
 void Clone( const KIID& aUUID );
 
 size_t Hash() const;
 
 bool IsLegacyTimestamp() const;
 timestamp_t AsLegacyTimestamp() const;
 
 wxString AsString() const;
 wxString AsLegacyTimestampString() const;
 std::string AsStdString() const;
 
 static bool SniffTest( const wxString& aCandidate );
 
 static void CreateNilUuids( bool aNil = true );
 
 static void SeedGenerator( unsigned int aSeed );
 
 void ConvertTimestampToUuid();
 
 void Increment();
 
 bool operator==( KIID const& rhs ) const
 {
 return m_uuid == rhs.m_uuid;
 }
 
 bool operator!=( KIID const& rhs ) const
 {
 return m_uuid != rhs.m_uuid;
 }
 
 bool operator<( KIID const& rhs ) const
 {
 return m_uuid < rhs.m_uuid;
 }
 
 bool operator>( KIID const& rhs ) const
 {
 return m_uuid > rhs.m_uuid;
 }
 
private:
 boost::uuids::uuid m_uuid;
};
 
 
extern KICOMMON_API KIID niluuid;
 
KICOMMON_API KIID& NilUuid();
 
// declare KIID_VECT_LIST as std::vector<KIID> both for c++ and swig:
DECL_VEC_FOR_SWIG( KIID_VECT_LIST, KIID )
 
class KICOMMON_API KIID_PATH : public KIID_VECT_LIST
{
public:
 KIID_PATH()
 {
 }
 
 KIID_PATH( const wxString& aString );
 
 bool MakeRelativeTo( const KIID_PATH& aPath );
 
 bool EndsWith( const KIID_PATH& aPath ) const;
 
 wxString AsString() const;
 
 bool operator==( KIID_PATH const& rhs ) const
 {
 if( size() != rhs.size() )
 return false;
 
 for( size_t i = 0; i < size(); ++i )
 {
 if( at( i ) != rhs.at( i ) )
 return false;
 }
 
 return true;
 }
 
 bool operator<( KIID_PATH const& rhs ) const
 {
 if( size() != rhs.size() )
 return size() < rhs.size();
 
 for( size_t i = 0; i < size(); ++i )
 {
 if( at( i ) < rhs.at( i ) )
 return true;
 
 if( at( i ) != rhs.at( i ) )
 return false;
 }
 
 return false;
 }
 
 KIID_PATH& operator+=( const KIID_PATH& aRhs )
 {
 for( const KIID& kiid : aRhs )
 emplace_back( kiid );
 
 return *this;
 }
 
 friend KIID_PATH operator+( KIID_PATH aLhs, const KIID_PATH& aRhs )
 {
 aLhs += aRhs;
 return aLhs;
 }
};
 
class KICOMMON_API KIID_NIL_SET_RESET
{
public:
 KIID_NIL_SET_RESET()
 {
 KIID::CreateNilUuids( true );
 };
 
 ~KIID_NIL_SET_RESET()
 {
 KIID::CreateNilUuids( false );
 }
};
 
KICOMMON_API void to_json( nlohmann::json& aJson, const KIID& aKIID );
 
KICOMMON_API void from_json( const nlohmann::json& aJson, KIID& aKIID );
 
template<> struct KICOMMON_API std::hash<KIID>
{
 std::size_t operator()( const KIID& aId ) const
 {
 return aId.Hash();
 }
};
 
#endif // KIID_H