John Beard
88 lines
2.6 KiB
C++
88 lines
2.6 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 The 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 "io_utils.h"
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#include <wx/wfstream.h>
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#include <wx/txtstrm.h>
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namespace IO_UTILS
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{
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const std::vector<uint8_t> COMPOUND_FILE_HEADER = { 0xD0, 0xCF, 0x11, 0xE0,
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0xA1, 0xB1, 0x1A, 0xE1 };
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bool fileStartsWithPrefix( const wxString& aFilePath, const wxString& aPrefix,
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bool aIgnoreWhitespace )
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{
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wxFFileInputStream input( aFilePath );
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if( input.IsOk() && !input.Eof() )
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{
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// Find first non-empty line
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wxTextInputStream text( input );
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wxString line = text.ReadLine();
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if( aIgnoreWhitespace )
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{
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while( !input.Eof() && line.IsEmpty() )
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line = text.ReadLine().Trim( false /*trim from left*/ );
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}
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if( line.StartsWith( aPrefix ) )
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return true;
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}
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return false;
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}
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bool fileHasBinaryHeader( const wxString& aFilePath, const std::vector<uint8_t>& aHeader,
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size_t aOffset )
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{
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wxFFileInputStream input( aFilePath );
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if( input.IsOk() && !input.Eof() )
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{
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if( static_cast<size_t>( input.GetLength() ) < aOffset + aHeader.size() )
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return false;
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// Move the stream to the offset
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if( aOffset )
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{
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if( !input.SeekI( aOffset, wxFromStart ) )
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return false;
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}
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std::vector<uint8_t> parsedHeader( aHeader.size() );
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if( !input.ReadAll( parsedHeader.data(), parsedHeader.size() ) )
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return false;
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return parsedHeader == aHeader;
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}
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return false;
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}
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}
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