altium_ascii_parser.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2020 Thomas Pointhuber <[email protected]>
 * Copyright (C) 2020-2024 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
 */
 
#include "altium_ascii_parser.h"
#include "altium_parser_utils.h"
 
 
ALTIUM_ASCII_PARSER::ALTIUM_ASCII_PARSER( const wxString& aInputFile ) :
 m_fileInput( aInputFile.fn_str() )
{
}
 
 
std::map<wxString, wxString> ALTIUM_ASCII_PARSER::ReadProperties()
{
 std::map<wxString, wxString> kv;
 std::string str;
 std::string line;
 
 // Lines ending with |> continue on the next line
 do
 {
 if( !std::getline( m_fileInput, line ) )
 {
 m_error = true;
 return kv;
 }
 
 if( ( line.size() > 2 && line[line.size() - 2] == '|' && line[line.size() - 1] == '>' ) )
 {
 str.append( line, 0, line.size() - 2 );
 }
 else
 {
 str.append( line );
 break;
 }
 } while( true );
 
 std::size_t token_end = 0;
 
 while( token_end < str.size() && token_end != std::string::npos )
 {
 std::size_t token_start = str.find( '|', token_end );
 std::size_t token_equal = str.find( '=', token_end );
 std::size_t key_start;
 
 if( token_start <= token_equal )
 {
 key_start = token_start + 1;
 }
 else
 {
 // Leading "|" before "RECORD=28" may be missing in older schematic versions.
 key_start = token_end;
 }
 
 token_end = str.find( '|', key_start );
 
 if( token_equal >= token_end )
 {
 continue; // this looks like an error: skip the entry. Also matches on std::string::npos
 }
 
 if( token_end == std::string::npos )
 {
 token_end = str.size() + 1; // this is the correct offset
 }
 
 std::string keyS = str.substr( key_start, token_equal - key_start );
 std::string valueS = str.substr( token_equal + 1, token_end - token_equal - 1 );
 
 // convert the strings to wxStrings, since we use them everywhere
 // value can have non-ASCII characters, so we convert them from LATIN1/ISO8859-1
 wxString key( keyS.c_str(), wxConvISO8859_1 );
 // Altium stores keys either in Upper, or in CamelCase. Lets unify it.
 wxString canonicalKey = key.Trim( false ).Trim( true ).MakeUpper();
 // If the key starts with '%UTF8%' we have to parse the value using UTF8
 wxString value;
 
 if( canonicalKey.StartsWith( "%UTF8%" ) )
 value = wxString( valueS.c_str(), wxConvUTF8 );
 else
 value = wxString( valueS.c_str(), wxConvISO8859_1 );
 
 if( canonicalKey != wxS( "PATTERN" ) && canonicalKey != wxS( "SOURCEFOOTPRINTLIBRARY" ) )
 {
 // Breathless hack because I haven't a clue what the story is here (but this character
 // appears in a lot of radial dimensions and is rendered by Altium as a space).
 value.Replace( wxT( "ÿ" ), wxT( " " ) );
 }
 
 // Storage binary data do not need conversion.
 if( str.rfind( "|BINARY", 0 ) != 0 )
 {
 if( canonicalKey == wxT( "DESIGNATOR" ) || canonicalKey == wxT( "NAME" )
 || canonicalKey == wxT( "TEXT" ) )
 {
 value = AltiumPropertyToKiCadString( value );
 }
 }
 
 kv.insert( { canonicalKey, value.Trim() } );
 }
 
 return kv;
}
 
 
bool ALTIUM_ASCII_PARSER::CanRead()
{
 return m_fileInput && m_fileInput.peek() != std::ifstream::traits_type::eof();
}