kicad/pcbnew/plugins/pcad/s_expr_loader.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012-2013 Alexander Lunev <al.lunev@yahoo.com>
* Copyright (C) 2012 KiCad Developers, see CHANGELOG.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 <pcad/s_expr_loader.h>
#include <dsnlexer.h>
#include <macros.h>
#include <xnode.h>
#include <wx/string.h>
#include <wx/xml/xml.h>
namespace PCAD2KICAD {
static KEYWORD empty_keywords[1] = {};
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static const char ACCEL_ASCII_KEYWORD[] = "ACCEL_ASCII";
void LoadInputFile( const wxString& aFileName, wxXmlDocument* aXmlDoc )
{
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char line[sizeof( ACCEL_ASCII_KEYWORD )];
int tok;
XNODE* iNode = NULL, *cNode = NULL;
wxString str, propValue, content;
wxCSConv conv( wxT( "windows-1251" ) );
FILE* fp = wxFopen( aFileName, wxT( "rt" ) );
if( !fp )
THROW_IO_ERROR( wxT( "Unable to open file: " ) + aFileName );
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// check file format
if( !fgets( line, sizeof( line ), fp )
// first line starts with "ACCEL_ASCII" with optional stuff on same line after that.
|| memcmp( line, ACCEL_ASCII_KEYWORD, sizeof(ACCEL_ASCII_KEYWORD)-1 ) )
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THROW_IO_ERROR( "Unknown file type" );
// rewind the file
fseek( fp, 0, SEEK_SET );
// lexer now owns fp, will close on exception or return
DSNLEXER lexer( empty_keywords, 0, fp, aFileName );
iNode = new XNODE( wxXML_ELEMENT_NODE, wxT( "www.lura.sk" ) );
while( ( tok = lexer.NextTok() ) != DSN_EOF )
{
if( tok == DSN_RIGHT )
{
iNode = iNode->GetParent();
}
else if( tok == DSN_LEFT )
{
tok = lexer.NextTok();
str = wxEmptyString;
cNode = new XNODE( wxXML_ELEMENT_NODE, wxString( lexer.CurText(), conv ) );
iNode->AddChild( cNode );
iNode = cNode;
}
else if( cNode )
{
str = wxString( lexer.CurText(), conv );
if( tok == DSN_STRING )
{
// update attribute
if( iNode->GetAttribute( wxT( "Name" ), &propValue ) )
{
iNode->DeleteAttribute( wxT( "Name" ) );
iNode->AddAttribute( wxT( "Name" ), propValue + wxT( ' ' ) + str );
}
else
iNode->AddAttribute( wxT( "Name" ), str );
}
else if( str != wxEmptyString )
{
// update node content
content = cNode->GetNodeContent() + wxT( ' ' ) + str;
if( cNode->GetChildren() )
cNode->GetChildren()->SetContent( content );
else
cNode->AddChild( new wxXmlNode( wxXML_TEXT_NODE,
wxEmptyString,
content ) );
}
}
}
if( iNode )
{
aXmlDoc->SetRoot( iNode );
//aXmlDoc->Save( wxT( "test.xml" ) );
}
}
} // namespace PCAD2KICAD