159 lines
3.9 KiB
C++
159 lines
3.9 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) 2019 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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#include <array_axis.h>
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/**
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* @return False for schemes like 0,1...9,10
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* True for schemes like A,B..Z,AA (where the tens column starts with char 0)
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*/
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static bool schemeNonUnitColsStartAt0( ARRAY_AXIS::NUMBERING_TYPE type )
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{
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return type == ARRAY_AXIS::NUMBERING_TYPE::NUMBERING_ALPHA_FULL
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|| type == ARRAY_AXIS::NUMBERING_TYPE::NUMBERING_ALPHA_NO_IOSQXZ;
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}
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ARRAY_AXIS::ARRAY_AXIS() : m_type( NUMBERING_TYPE::NUMBERING_NUMERIC ), m_offset( 0 ), m_step( 1 )
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{
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}
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const wxString& ARRAY_AXIS::GetAlphabet() const
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{
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static const wxString alphaNumeric = "0123456789";
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static const wxString alphaHex = "0123456789ABCDEF";
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static const wxString alphaFull = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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static const wxString alphaNoIOSQXZ = "ABCDEFGHJKLMNPRTUVWY";
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switch( m_type )
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{
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default:
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case NUMBERING_NUMERIC:
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return alphaNumeric;
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case NUMBERING_HEX:
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return alphaHex;
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case NUMBERING_ALPHA_NO_IOSQXZ:
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return alphaNoIOSQXZ;
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case NUMBERING_ALPHA_FULL:
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return alphaFull;
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}
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}
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std::optional<int> ARRAY_AXIS::getNumberingOffset( const wxString& str ) const
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{
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if( str.length() == 0 )
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return std::optional<int>{};
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const wxString& alphabet = GetAlphabet();
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int offset = 0;
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const int radix = alphabet.length();
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for( unsigned i = 0; i < str.length(); i++ )
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{
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int chIndex = alphabet.Find( str[i], false );
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if( chIndex == wxNOT_FOUND )
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return std::optional<int>{};
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const bool start0 = schemeNonUnitColsStartAt0( m_type );
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// eg "AA" is actually index 27, not 26
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if( start0 && i < str.length() - 1 )
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chIndex++;
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offset *= radix;
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offset += chIndex;
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}
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return std::optional<int>{ offset };
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}
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void ARRAY_AXIS::SetAxisType( NUMBERING_TYPE aType )
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{
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m_type = aType;
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}
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bool ARRAY_AXIS::SetOffset( const wxString& aOffsetName )
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{
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std::optional<int> offset = getNumberingOffset( aOffsetName );
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// The string does not decode to a valid offset
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if( !offset )
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return false;
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SetOffset( *offset );
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return true;
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}
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void ARRAY_AXIS::SetOffset( int aOffset )
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{
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m_offset = aOffset;
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}
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int ARRAY_AXIS::GetOffset() const
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{
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return m_offset;
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}
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void ARRAY_AXIS::SetStep( int aStep )
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{
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m_step = aStep;
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}
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wxString ARRAY_AXIS::GetItemNumber( int n ) const
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{
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wxString itemNum;
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const wxString& alphabet = GetAlphabet();
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const bool nonUnitColsStartAt0 = schemeNonUnitColsStartAt0( m_type );
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bool firstRound = true;
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int radix = alphabet.Length();
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n = m_offset + m_step * n;
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do
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{
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int modN = n % radix;
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if( nonUnitColsStartAt0 && !firstRound )
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modN--; // Start the "tens/hundreds/etc column" at "Ax", not "Bx"
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itemNum.insert( 0, 1, alphabet[modN] );
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n /= radix;
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firstRound = false;
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} while( n );
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return itemNum;
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} |