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kicad/common/io/altium/altium_ascii_parser.cpp
2024-02-29 20:49:20 +00:00

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019-2020 Thomas Pointhuber <thomas.pointhuber@gmx.at>
* 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();
}