624 lines
18 KiB
C++
624 lines
18 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) 2014-2020 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
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* Copyright (C) 1992-2021 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 <eda_base_frame.h>
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#include <kiplatform/app.h>
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#include <project.h>
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#include <common.h>
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#include <reporter.h>
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#include <macros.h>
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#include <mutex>
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#include <wx/config.h>
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#include <wx/log.h>
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#include <wx/msgdlg.h>
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#include <wx/stdpaths.h>
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#include <wx/url.h>
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#include <wx/utils.h>
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#ifdef _WIN32
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#include <Windows.h>
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#endif
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enum Bracket
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{
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Bracket_None,
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Bracket_Normal = ')',
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Bracket_Curly = '}',
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#ifdef __WINDOWS__
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Bracket_Windows = '%', // yeah, Windows people are a bit strange ;-)
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#endif
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Bracket_Max
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};
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wxString ExpandTextVars( const wxString& aSource, const PROJECT* aProject )
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{
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return ExpandTextVars( aSource, nullptr, nullptr, aProject );
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}
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wxString ExpandTextVars( const wxString& aSource,
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const std::function<bool( wxString* )>* aLocalResolver,
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const std::function<bool( wxString* )>* aFallbackResolver,
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const PROJECT* aProject )
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{
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wxString newbuf;
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size_t sourceLen = aSource.length();
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newbuf.Alloc( sourceLen ); // best guess (improves performance)
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for( size_t i = 0; i < sourceLen; ++i )
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{
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if( aSource[i] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
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{
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wxString token;
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for( i = i + 2; i < sourceLen; ++i )
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{
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if( aSource[i] == '}' )
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break;
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else
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token.append( aSource[i] );
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}
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if( token.IsEmpty() )
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continue;
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if( aLocalResolver && (*aLocalResolver)( &token ) )
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{
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newbuf.append( token );
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}
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else if( aProject && aProject->TextVarResolver( &token ) )
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{
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newbuf.append( token );
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}
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else if( aFallbackResolver && (*aFallbackResolver)( &token ) )
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{
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newbuf.append( token );
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}
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else
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{
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// Token not resolved: leave the reference unchanged
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newbuf.append( "${" + token + "}" );
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}
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}
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else
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{
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newbuf.append( aSource[i] );
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}
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}
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return newbuf;
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}
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//
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// Stolen from wxExpandEnvVars and then heavily optimized
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//
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wxString KIwxExpandEnvVars( const wxString& str, const PROJECT* aProject )
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{
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size_t strlen = str.length();
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wxString strResult;
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strResult.Alloc( strlen ); // best guess (improves performance)
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for( size_t n = 0; n < strlen; n++ )
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{
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wxUniChar str_n = str[n];
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switch( str_n.GetValue() )
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{
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#ifdef __WINDOWS__
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case wxT( '%' ):
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#endif // __WINDOWS__
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case wxT( '$' ):
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{
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Bracket bracket;
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#ifdef __WINDOWS__
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if( str_n == wxT( '%' ) )
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bracket = Bracket_Windows;
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else
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#endif // __WINDOWS__
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if( n == strlen - 1 )
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{
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bracket = Bracket_None;
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}
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else
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{
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switch( str[n + 1].GetValue() )
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{
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case wxT( '(' ):
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bracket = Bracket_Normal;
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str_n = str[++n]; // skip the bracket
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break;
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case wxT( '{' ):
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bracket = Bracket_Curly;
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str_n = str[++n]; // skip the bracket
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break;
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default:
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bracket = Bracket_None;
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}
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}
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size_t m = n + 1;
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if( m >= strlen )
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break;
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wxUniChar str_m = str[m];
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while( wxIsalnum( str_m ) || str_m == wxT( '_' ) || str_m == wxT( ':' ) )
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{
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if( ++m == strlen )
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{
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str_m = 0;
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break;
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}
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str_m = str[m];
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}
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wxString strVarName( str.c_str() + n + 1, m - n - 1 );
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// NB: use wxGetEnv instead of wxGetenv as otherwise variables
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// set through wxSetEnv may not be read correctly!
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bool expanded = false;
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wxString tmp = strVarName;
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if( aProject && aProject->TextVarResolver( &tmp ) )
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{
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strResult += tmp;
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expanded = true;
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}
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else if( wxGetEnv( strVarName, &tmp ) )
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{
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strResult += tmp;
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expanded = true;
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}
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else
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{
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// variable doesn't exist => don't change anything
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#ifdef __WINDOWS__
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if ( bracket != Bracket_Windows )
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#endif
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if ( bracket != Bracket_None )
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strResult << str[n - 1];
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strResult << str_n << strVarName;
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}
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// check the closing bracket
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if( bracket != Bracket_None )
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{
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if( m == strlen || str_m != (wxChar)bracket )
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{
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// under MSW it's common to have '%' characters in the registry
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// and it's annoying to have warnings about them each time, so
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// ignore them silently if they are not used for env vars
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//
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// under Unix, OTOH, this warning could be useful for the user to
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// understand why isn't the variable expanded as intended
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#ifndef __WINDOWS__
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wxLogWarning( _( "Environment variables expansion failed: missing '%c' "
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"at position %u in '%s'." ),
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(char)bracket, (unsigned int) (m + 1), str.c_str() );
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#endif // __WINDOWS__
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}
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else
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{
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// skip closing bracket unless the variables wasn't expanded
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if( !expanded )
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strResult << (wxChar)bracket;
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m++;
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}
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}
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n = m - 1; // skip variable name
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str_n = str[n];
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}
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break;
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case wxT( '\\' ):
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// backslash can be used to suppress special meaning of % and $
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if( n < strlen - 1 && (str[n + 1] == wxT( '%' ) || str[n + 1] == wxT( '$' )) )
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{
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str_n = str[++n];
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strResult += str_n;
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break;
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}
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KI_FALLTHROUGH;
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default:
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strResult += str_n;
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}
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}
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#ifndef __WINDOWS__
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if( strResult.StartsWith( "~" ) )
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strResult.Replace( "~", wxGetHomeDir(), false );
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#endif // __WINDOWS__
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return strResult;
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}
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const wxString ExpandEnvVarSubstitutions( const wxString& aString, PROJECT* aProject )
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{
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// wxGetenv( wchar_t* ) is not re-entrant on linux.
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// Put a lock on multithreaded use of wxGetenv( wchar_t* ), called from wxEpandEnvVars(),
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static std::mutex getenv_mutex;
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std::lock_guard<std::mutex> lock( getenv_mutex );
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// We reserve the right to do this another way, by providing our own member function.
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return KIwxExpandEnvVars( aString, aProject );
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}
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const wxString ResolveUriByEnvVars( const wxString& aUri, PROJECT* aProject )
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{
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wxString uri = ExpandTextVars( aUri, aProject );
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// URL-like URI: return as is.
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wxURL url( uri );
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if( url.GetError() == wxURL_NOERR )
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return uri;
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// Otherwise, the path points to a local file. Resolve environment variables if any.
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return ExpandEnvVarSubstitutions( aUri, aProject );
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}
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bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
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const wxString& aBaseFilename,
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REPORTER* aReporter )
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{
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wxString msg;
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wxString baseFilePath = wxFileName( aBaseFilename ).GetPath();
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// make aTargetFullFileName path, which is relative to aBaseFilename path (if it is not
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// already an absolute path) absolute:
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if( !aTargetFullFileName->MakeAbsolute( baseFilePath ) )
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{
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if( aReporter )
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{
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msg.Printf( _( "Cannot make path '%s' absolute with respect to '%s'." ),
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aTargetFullFileName->GetPath(),
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baseFilePath );
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aReporter->Report( msg, RPT_SEVERITY_ERROR );
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}
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return false;
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}
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// Ensure the path of aTargetFullFileName exists, and create it if needed:
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wxString outputPath( aTargetFullFileName->GetPath() );
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if( !wxFileName::DirExists( outputPath ) )
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{
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// Make every directory provided when the provided path doesn't exist
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if( wxFileName::Mkdir( outputPath, wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL ) )
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{
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if( aReporter )
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{
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msg.Printf( _( "Output directory '%s' created." ), outputPath );
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aReporter->Report( msg, RPT_SEVERITY_INFO );
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return true;
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}
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}
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else
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{
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if( aReporter )
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{
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msg.Printf( _( "Cannot create output directory '%s'." ), outputPath );
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aReporter->Report( msg, RPT_SEVERITY_ERROR );
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}
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return false;
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}
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}
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return true;
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}
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/**
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* Performance enhancements to file and directory operations.
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*
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* Note: while it's annoying to have to make copies of wxWidgets stuff and then
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* add platform-specific performance optimizations, the following routines offer
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* SIGNIFICANT performance benefits.
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*/
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/**
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* A copy of wxMatchWild(), which wxWidgets attributes to Douglas A. Lewis
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* <dalewis@cs.Buffalo.EDU> and ircII's reg.c.
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*
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* This version is modified to skip any encoding conversions (for performance).
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*/
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bool matchWild( const char* pat, const char* text, bool dot_special )
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{
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if( !*text )
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{
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/* Match if both are empty. */
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return !*pat;
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}
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const char *m = pat,
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*n = text,
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*ma = nullptr,
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*na = nullptr;
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int just = 0,
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acount = 0,
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count = 0;
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if( dot_special && (*n == '.') )
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{
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/* Never match so that hidden Unix files
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* are never found. */
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return false;
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}
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for(;;)
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{
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if( *m == '*' )
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{
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ma = ++m;
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na = n;
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just = 1;
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acount = count;
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}
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else if( *m == '?' )
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{
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m++;
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if( !*n++ )
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return false;
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}
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else
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{
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if( *m == '\\' )
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{
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m++;
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/* Quoting "nothing" is a bad thing */
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if( !*m )
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return false;
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}
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if( !*m )
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{
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/*
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* If we are out of both strings or we just
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* saw a wildcard, then we can say we have a
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* match
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*/
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if( !*n )
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return true;
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if( just )
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return true;
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just = 0;
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goto not_matched;
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}
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/*
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* We could check for *n == NULL at this point, but
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* since it's more common to have a character there,
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* check to see if they match first (m and n) and
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* then if they don't match, THEN we can check for
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* the NULL of n
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*/
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just = 0;
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if( *m == *n )
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{
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m++;
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count++;
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n++;
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}
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else
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{
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not_matched:
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/*
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* If there are no more characters in the
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* string, but we still need to find another
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* character (*m != NULL), then it will be
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* impossible to match it
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*/
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if( !*n )
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return false;
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if( ma )
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{
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m = ma;
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n = ++na;
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count = acount;
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}
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else
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return false;
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}
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}
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}
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}
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/**
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* A copy of ConvertFileTimeToWx() because wxWidgets left it as a static function
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* private to src/common/filename.cpp.
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*/
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#if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__)
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// Convert between wxDateTime and FILETIME which is a 64-bit value representing
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// the number of 100-nanosecond intervals since January 1, 1601 UTC.
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//
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// This is the offset between FILETIME epoch and the Unix/wxDateTime Epoch.
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static wxInt64 EPOCH_OFFSET_IN_MSEC = wxLL(11644473600000);
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static void ConvertFileTimeToWx( wxDateTime* dt, const FILETIME& ft )
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{
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wxLongLong t( ft.dwHighDateTime, ft.dwLowDateTime );
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t /= 10000; // Convert hundreds of nanoseconds to milliseconds.
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t -= EPOCH_OFFSET_IN_MSEC;
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*dt = wxDateTime( t );
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}
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#endif // wxUSE_DATETIME && __WIN32__
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/**
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* This routine offers SIGNIFICANT performance benefits over using wxWidgets to gather
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* timestamps from matching files in a directory.
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*
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* @param aDirPath is the directory to search.
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* @param aFilespec is a (wildcarded) file spec to match against.
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* @return a hash of the last-mod-dates of all matching files in the directory.
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*/
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long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec )
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{
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long long timestamp = 0;
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#if defined( __WIN32__ )
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// Win32 version.
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// Save time by not searching for each path twice: once in wxDir.GetNext() and once in
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// wxFileName.GetModificationTime(). Also cuts out wxWidgets' string-matching and case
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// conversion by staying on the MSW side of things.
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std::wstring filespec( aDirPath.t_str() );
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filespec += '\\';
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filespec += aFilespec.t_str();
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WIN32_FIND_DATA findData;
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wxDateTime lastModDate;
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HANDLE fileHandle = ::FindFirstFile( filespec.data(), &findData );
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if( fileHandle != INVALID_HANDLE_VALUE )
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{
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do
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{
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ConvertFileTimeToWx( &lastModDate, findData.ftLastWriteTime );
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timestamp += lastModDate.GetValue().GetValue();
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// Get the file size (partial) as well to check for sneaky changes.
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timestamp += findData.nFileSizeLow;
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}
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while ( FindNextFile( fileHandle, &findData ) != 0 );
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}
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FindClose( fileHandle );
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#else
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// POSIX version.
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// Save time by not converting between encodings -- do everything on the file-system side.
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std::string filespec( aFilespec.fn_str() );
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std::string dir_path( aDirPath.fn_str() );
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DIR* dir = opendir( dir_path.c_str() );
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if( dir )
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{
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for( dirent* dir_entry = readdir( dir ); dir_entry; dir_entry = readdir( dir ) )
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{
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if( !matchWild( filespec.c_str(), dir_entry->d_name, true ) )
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continue;
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std::string entry_path = dir_path + '/' + dir_entry->d_name;
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struct stat entry_stat;
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if( wxCRT_Lstat( entry_path.c_str(), &entry_stat ) == 0 )
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{
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// Timestamp the source file, not the symlink
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if( S_ISLNK( entry_stat.st_mode ) ) // wxFILE_EXISTS_SYMLINK
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{
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char buffer[ PATH_MAX + 1 ];
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ssize_t pathLen = readlink( entry_path.c_str(), buffer, PATH_MAX );
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if( pathLen > 0 )
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{
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struct stat linked_stat;
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buffer[ pathLen ] = '\0';
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entry_path = dir_path + buffer;
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if( wxCRT_Lstat( entry_path.c_str(), &linked_stat ) == 0 )
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{
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entry_stat = linked_stat;
|
|
}
|
|
else
|
|
{
|
|
// if we couldn't lstat the linked file we'll have to just use
|
|
// the symbolic link info
|
|
}
|
|
}
|
|
}
|
|
|
|
if( S_ISREG( entry_stat.st_mode ) ) // wxFileExists()
|
|
{
|
|
timestamp += entry_stat.st_mtime * 1000;
|
|
|
|
// Get the file size as well to check for sneaky changes.
|
|
timestamp += entry_stat.st_size;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// if we couldn't lstat the file itself all we can do is use the name
|
|
timestamp += (signed) std::hash<std::string>{}( std::string( dir_entry->d_name ) );
|
|
}
|
|
}
|
|
|
|
closedir( dir );
|
|
}
|
|
#endif
|
|
|
|
return timestamp;
|
|
}
|
|
|
|
|
|
bool WarnUserIfOperatingSystemUnsupported()
|
|
{
|
|
if( !KIPLATFORM::APP::IsOperatingSystemUnsupported() )
|
|
return false;
|
|
|
|
wxMessageDialog dialog( nullptr, _( "This operating system is not supported "
|
|
"by KiCad and its dependencies." ),
|
|
_( "Unsupported Operating System" ),
|
|
wxOK | wxICON_EXCLAMATION );
|
|
|
|
dialog.SetExtendedMessage( _( "Any issues with KiCad on this system cannot "
|
|
"be reported to the official bugtracker." ) );
|
|
dialog.ShowModal();
|
|
|
|
return true;
|
|
}
|