mirror of
https://gitlab.com/kicad/code/kicad.git
synced 2025-09-14 10:13:19 +02:00
6b4b2d61f8
Due to an interaction with old (<1.59) versions of Boost, the ostream operator<< for wxPoint and wxSize is requried to use BOOST_CHECK_EQUAL_COLLECTIONS (the print_log_value<T> function is not used by this macro until 1.59). Because these functions are available in Debug builds, unit tests that use such functions will break when compiled as Release or RelWithDebugInfo. The change here is to not disable these functions in Release builds. Also, the functions are moved to common.h, to go with other generic WX "polyfill" functions. Although they might be commonly used by the EDA_ITEM::Show functions, they are not specifically related to that class. Fixes: lp:1830612 * https://bugs.launchpad.net/kicad/+bug/1830612
924 lines
25 KiB
C++
924 lines
25 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) 2014-2019 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) 1992-2019 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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/**
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* @file common.cpp
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*/
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#include <fctsys.h>
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#include <eda_base_frame.h>
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#include <base_struct.h>
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#include <common.h>
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#include <macros.h>
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#include <base_units.h>
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#include <reporter.h>
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#include <mutex>
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#include <wx/process.h>
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#include <wx/config.h>
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#include <wx/utils.h>
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#include <wx/stdpaths.h>
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#include <wx/url.h>
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#include <pgm_base.h>
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using KIGFX::COLOR4D;
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/**
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* Global variables definitions.
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*
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* TODO: All of these variables should be moved into the class were they
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* are defined and used. Most of them probably belong in the
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* application class.
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*/
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COLOR4D g_GhostColor;
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#if defined( _WIN32 ) && defined( DEBUG )
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// a wxAssertHandler_t function to filter wxWidgets alert messages when reading/writing a file
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// when switching the locale to LC_NUMERIC, "C"
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// It is used in class LOCALE_IO to hide a useless (in kicad) wxWidgets alert message
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void KiAssertFilter( const wxString &file, int line,
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const wxString &func, const wxString &cond,
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const wxString &msg)
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{
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if( !msg.Contains( "Decimal separator mismatch" ) )
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wxTheApp->OnAssertFailure( file, line, func, cond, msg );
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}
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#endif
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std::atomic<unsigned int> LOCALE_IO::m_c_count( 0 );
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// Note on Windows, setlocale( LC_NUMERIC, "C" ) works fine to read/write
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// files with floating point numbers, but generates a overzealous wx alert
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// in some cases (reading a bitmap for instance)
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// So we disable alerts during the time a file is read or written
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LOCALE_IO::LOCALE_IO()
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{
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// use thread safe, atomic operation
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if( m_c_count++ == 0 )
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{
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// Store the user locale name, to restore this locale later, in dtor
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m_user_locale = setlocale( LC_NUMERIC, nullptr );
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#if defined( _WIN32 ) && defined( DEBUG )
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// Disable wxWidgets alerts
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wxSetAssertHandler( KiAssertFilter );
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#endif
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// Switch the locale to C locale, to read/write files with fp numbers
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setlocale( LC_NUMERIC, "C" );
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}
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}
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LOCALE_IO::~LOCALE_IO()
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{
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// use thread safe, atomic operation
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if( --m_c_count == 0 )
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{
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// revert to the user locale
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setlocale( LC_NUMERIC, m_user_locale.c_str() );
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#if defined( _WIN32 ) && defined( DEBUG )
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// Enable wxWidgets alerts
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wxSetDefaultAssertHandler();
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#endif
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}
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}
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wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow )
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{
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wxCoord width;
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wxCoord height;
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{
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wxClientDC dc( aWindow );
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dc.SetFont( aWindow->GetFont() );
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dc.GetTextExtent( aSingleLine, &width, &height );
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}
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return wxSize( width, height );
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}
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bool EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString )
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{
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wxWindow* window = aCtrl->GetParent();
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if( !window )
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window = aCtrl;
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wxString ctrlText;
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if( !aString )
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{
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ctrlText = aCtrl->GetValue();
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aString = &ctrlText;
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}
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wxSize textz = GetTextSize( *aString, window );
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wxSize ctrlz = aCtrl->GetSize();
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if( ctrlz.GetWidth() < textz.GetWidth() + 10 )
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{
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ctrlz.SetWidth( textz.GetWidth() + 10 );
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aCtrl->SetSizeHints( ctrlz );
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return true;
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}
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return false;
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}
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void SelectReferenceNumber( wxTextEntry* aTextEntry )
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{
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wxString ref = aTextEntry->GetValue();
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if( ref.find_first_of( '?' ) != ref.npos )
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{
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aTextEntry->SetSelection( ref.find_first_of( '?' ), ref.find_last_of( '?' ) + 1 );
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}
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else
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{
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wxString num = ref;
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while( !num.IsEmpty() && ( !isdigit( num.Last() ) || !isdigit( num.GetChar( 0 ) ) ) )
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{
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if( !isdigit( num.Last() ) )
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num.RemoveLast();
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if( !isdigit( num.GetChar ( 0 ) ) )
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num = num.Right( num.Length() - 1);
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}
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aTextEntry->SetSelection( ref.Find( num ), ref.Find( num ) + num.Length() );
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if( num.IsEmpty() )
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aTextEntry->SetSelection( -1, -1 );
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}
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}
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void wxStringSplit( const wxString& aText, wxArrayString& aStrings, wxChar aSplitter )
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{
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wxString tmp;
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for( unsigned ii = 0; ii < aText.Length(); ii++ )
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{
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if( aText[ii] == aSplitter )
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{
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aStrings.Add( tmp );
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tmp.Clear();
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}
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else
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tmp << aText[ii];
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}
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if( !tmp.IsEmpty() )
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{
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aStrings.Add( tmp );
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}
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}
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int ProcessExecute( const wxString& aCommandLine, int aFlags, wxProcess *callback )
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{
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return wxExecute( aCommandLine, aFlags, callback );
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}
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timestamp_t GetNewTimeStamp()
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{
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static timestamp_t oldTimeStamp;
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timestamp_t newTimeStamp;
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newTimeStamp = time( NULL );
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if( newTimeStamp <= oldTimeStamp )
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newTimeStamp = oldTimeStamp + 1;
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oldTimeStamp = newTimeStamp;
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return newTimeStamp;
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}
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double RoundTo0( double x, double precision )
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{
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assert( precision != 0 );
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long long ix = KiROUND( x * precision );
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if ( x < 0.0 )
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ix = -ix;
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int remainder = ix % 10; // remainder is in precision mm
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if( remainder <= 2 )
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ix -= remainder; // truncate to the near number
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else if( remainder >= 8 )
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ix += 10 - remainder; // round to near number
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if ( x < 0 )
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ix = -ix;
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return (double) ix / precision;
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}
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std::unique_ptr<wxConfigBase> GetNewConfig( const wxString& aProgName )
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{
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wxFileName configname;
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configname.AssignDir( GetKicadConfigPath() );
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configname.SetFullName( aProgName );
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// explicitly use wxFileConfig to prevent storing any settings in the system registry on Windows
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return std::make_unique<wxFileConfig>( wxT( "" ), wxT( "" ), configname.GetFullPath() );
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}
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wxString GetKicadConfigPath()
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{
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wxFileName cfgpath;
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// http://docs.wxwidgets.org/3.0/classwx_standard_paths.html#a7c7cf595d94d29147360d031647476b0
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cfgpath.AssignDir( wxStandardPaths::Get().GetUserConfigDir() );
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// GetUserConfigDir() does not default to ~/.config which is the current standard
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// configuration file location on Linux. This has been fixed in later versions of wxWidgets.
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#if !defined( __WXMSW__ ) && !defined( __WXMAC__ )
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wxArrayString dirs = cfgpath.GetDirs();
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if( dirs.Last() != ".config" )
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cfgpath.AppendDir( ".config" );
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#endif
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wxString envstr;
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// This shouldn't cause any issues on Windows or MacOS.
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if( wxGetEnv( wxT( "XDG_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
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{
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// Override the assignment above with XDG_CONFIG_HOME
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cfgpath.AssignDir( envstr );
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}
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cfgpath.AppendDir( TO_STR( KICAD_CONFIG_DIR ) );
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// Use KICAD_CONFIG_HOME to allow the user to force a specific configuration path.
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if( wxGetEnv( wxT( "KICAD_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
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{
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// Override the assignment above with KICAD_CONFIG_HOME
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cfgpath.AssignDir( envstr );
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}
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if( !cfgpath.DirExists() )
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{
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cfgpath.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
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}
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return cfgpath.GetPath();
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}
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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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//
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// Stolen from wxExpandEnvVars and then heavily optimized
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//
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wxString KIwxExpandEnvVars(const wxString& str)
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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 );
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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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wxUniChar str_m = str[m];
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while( m < strlen && ( wxIsalnum( str_m ) || str_m == wxT( '_' ) ) )
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str_m = str[++m];
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wxString strVarName( str.c_str() + n + 1, m - n - 1 );
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#ifdef __WXWINCE__
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const bool expanded = false;
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#else
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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;
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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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#endif
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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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str_m = str[++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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//else: fall through
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default:
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strResult += str_n;
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}
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}
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return strResult;
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}
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const wxString ExpandEnvVarSubstitutions( const wxString& aString )
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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 );
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}
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const wxString ResolveUriByEnvVars( const wxString& aUri )
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{
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// URL-like URI: return as is.
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wxURL url( aUri );
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if( url.GetError() == wxURL_NOERR )
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return aUri;
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// Otherwise, the path points to a local file. Resolve environment
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// variables if any.
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return ExpandEnvVarSubstitutions( aUri );
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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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GetChars( aTargetFullFileName->GetPath() ),
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GetChars( baseFilePath ) );
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aReporter->Report( msg, REPORTER::RPT_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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if( wxMkdir( outputPath ) )
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{
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if( aReporter )
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{
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msg.Printf( _( "Output directory \"%s\" created.\n" ), GetChars( outputPath ) );
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aReporter->Report( msg, REPORTER::RPT_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\".\n" ),
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GetChars( outputPath ) );
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aReporter->Report( msg, REPORTER::RPT_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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#ifdef __WXMAC__
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wxString GetOSXKicadUserDataDir()
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{
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// According to wxWidgets documentation for GetUserDataDir:
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// Mac: ~/Library/Application Support/appname
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wxFileName udir( wxStandardPaths::Get().GetUserDataDir(), wxEmptyString );
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// Since appname is different if started via launcher or standalone binary
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// map all to "kicad" here
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udir.RemoveLastDir();
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udir.AppendDir( "kicad" );
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return udir.GetPath();
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}
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wxString GetOSXKicadMachineDataDir()
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|
{
|
|
return wxT( "/Library/Application Support/kicad" );
|
|
}
|
|
|
|
|
|
wxString GetOSXKicadDataDir()
|
|
{
|
|
// According to wxWidgets documentation for GetDataDir:
|
|
// Mac: appname.app/Contents/SharedSupport bundle subdirectory
|
|
wxFileName ddir( wxStandardPaths::Get().GetDataDir(), wxEmptyString );
|
|
|
|
// This must be mapped to main bundle for everything but kicad.app
|
|
const wxArrayString dirs = ddir.GetDirs();
|
|
if( dirs[dirs.GetCount() - 3] != wxT( "kicad.app" ) )
|
|
{
|
|
// Bundle structure resp. current path is
|
|
// kicad.app/Contents/Applications/<standalone>.app/Contents/SharedSupport
|
|
// and will be mapped to
|
|
// kicad.app/Contents/SharedSupprt
|
|
ddir.RemoveLastDir();
|
|
ddir.RemoveLastDir();
|
|
ddir.RemoveLastDir();
|
|
ddir.RemoveLastDir();
|
|
ddir.AppendDir( wxT( "SharedSupport" ) );
|
|
}
|
|
|
|
return ddir.GetPath();
|
|
}
|
|
#endif
|
|
|
|
|
|
// add this only if it is not in wxWidgets (for instance before 3.1.0)
|
|
#ifdef USE_KICAD_WXSTRING_HASH
|
|
size_t std::hash<wxString>::operator()( const wxString& s ) const
|
|
{
|
|
return std::hash<std::wstring>{}( s.ToStdWstring() );
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_KICAD_WXPOINT_LESS_AND_HASH
|
|
size_t std::hash<wxPoint>::operator() ( const wxPoint& k ) const
|
|
{
|
|
auto xhash = std::hash<int>()( k.x );
|
|
|
|
// 0x9e3779b9 is 2^33 / ( 1 + sqrt(5) )
|
|
// Adding this value ensures that consecutive bits of y will not be close to each other
|
|
// decreasing the likelihood of hash collision in similar values of x and y
|
|
return xhash ^ ( std::hash<int>()( k.y ) + 0x9e3779b9 + ( xhash << 6 ) + ( xhash >> 2 ) );
|
|
}
|
|
|
|
bool std::less<wxPoint>::operator()( const wxPoint& aA, const wxPoint& aB ) const
|
|
{
|
|
if( aA.x == aB.x )
|
|
return aA.y < aB.y;
|
|
|
|
return aA.x < aB.x;
|
|
}
|
|
#endif
|
|
|
|
|
|
std::ostream& operator<<( std::ostream& out, const wxSize& size )
|
|
{
|
|
out << " width=\"" << size.GetWidth() << "\" height=\"" << size.GetHeight() << "\"";
|
|
return out;
|
|
}
|
|
|
|
|
|
std::ostream& operator<<( std::ostream& out, const wxPoint& pt )
|
|
{
|
|
out << " x=\"" << pt.x << "\" y=\"" << pt.y << "\"";
|
|
return out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Performance enhancements to file and directory operations.
|
|
*
|
|
* Note: while it's annoying to have to make copies of wxWidgets stuff and then
|
|
* add platform-specific performance optimizations, the following routines offer
|
|
* SIGNIFICANT performance benefits.
|
|
*/
|
|
|
|
/**
|
|
* WX_FILENAME
|
|
*
|
|
* A wrapper around a wxFileName which avoids expensive calls to wxFileName::SplitPath()
|
|
* and string concatenations by caching the path and filename locally and only resolving
|
|
* the wxFileName when it has to.
|
|
*/
|
|
WX_FILENAME::WX_FILENAME( const wxString& aPath, const wxString& aFilename ) :
|
|
m_fn( aPath, aFilename ),
|
|
m_path( aPath ),
|
|
m_fullName( aFilename )
|
|
{ }
|
|
|
|
|
|
void WX_FILENAME::SetFullName( const wxString& aFileNameAndExtension )
|
|
{
|
|
m_fullName = aFileNameAndExtension;
|
|
}
|
|
|
|
|
|
wxString WX_FILENAME::GetName() const
|
|
{
|
|
size_t dot = m_fullName.find_last_of( wxT( '.' ) );
|
|
return m_fullName.substr( 0, dot );
|
|
}
|
|
|
|
|
|
wxString WX_FILENAME::GetFullName() const
|
|
{
|
|
return m_fullName;
|
|
}
|
|
|
|
|
|
wxString WX_FILENAME::GetPath() const
|
|
{
|
|
return m_path;
|
|
}
|
|
|
|
|
|
wxString WX_FILENAME::GetFullPath() const
|
|
{
|
|
return m_path + wxT( '/' ) + m_fullName;
|
|
}
|
|
|
|
|
|
// Write locally-cached values to the wxFileName. MUST be called before using m_fn.
|
|
void WX_FILENAME::resolve()
|
|
{
|
|
size_t dot = m_fullName.find_last_of( wxT( '.' ) );
|
|
m_fn.SetName( m_fullName.substr( 0, dot ) );
|
|
m_fn.SetExt( m_fullName.substr( dot + 1 ) );
|
|
}
|
|
|
|
|
|
long long WX_FILENAME::GetTimestamp()
|
|
{
|
|
resolve();
|
|
|
|
if( m_fn.FileExists() )
|
|
return m_fn.GetModificationTime().GetValue().GetValue();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* A copy of wxMatchWild(), which wxWidgets attributes to Douglas A. Lewis
|
|
* <dalewis@cs.Buffalo.EDU> and ircII's reg.c.
|
|
*
|
|
* This version is modified to skip any encoding conversions (for performance).
|
|
*/
|
|
bool matchWild( const char* pat, const char* text, bool dot_special )
|
|
{
|
|
if( !*text )
|
|
{
|
|
/* Match if both are empty. */
|
|
return !*pat;
|
|
}
|
|
|
|
const char *m = pat,
|
|
*n = text,
|
|
*ma = NULL,
|
|
*na = NULL;
|
|
int just = 0,
|
|
acount = 0,
|
|
count = 0;
|
|
|
|
if( dot_special && (*n == '.') )
|
|
{
|
|
/* Never match so that hidden Unix files
|
|
* are never found. */
|
|
return false;
|
|
}
|
|
|
|
for(;;)
|
|
{
|
|
if( *m == '*' )
|
|
{
|
|
ma = ++m;
|
|
na = n;
|
|
just = 1;
|
|
acount = count;
|
|
}
|
|
else if( *m == '?' )
|
|
{
|
|
m++;
|
|
|
|
if( !*n++ )
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
if( *m == '\\' )
|
|
{
|
|
m++;
|
|
|
|
/* Quoting "nothing" is a bad thing */
|
|
if( !*m )
|
|
return false;
|
|
}
|
|
if( !*m )
|
|
{
|
|
/*
|
|
* If we are out of both strings or we just
|
|
* saw a wildcard, then we can say we have a
|
|
* match
|
|
*/
|
|
if( !*n )
|
|
return true;
|
|
|
|
if( just )
|
|
return true;
|
|
|
|
just = 0;
|
|
goto not_matched;
|
|
}
|
|
|
|
/*
|
|
* We could check for *n == NULL at this point, but
|
|
* since it's more common to have a character there,
|
|
* check to see if they match first (m and n) and
|
|
* then if they don't match, THEN we can check for
|
|
* the NULL of n
|
|
*/
|
|
just = 0;
|
|
|
|
if( *m == *n )
|
|
{
|
|
m++;
|
|
count++;
|
|
n++;
|
|
}
|
|
else
|
|
{
|
|
not_matched:
|
|
|
|
/*
|
|
* If there are no more characters in the
|
|
* string, but we still need to find another
|
|
* character (*m != NULL), then it will be
|
|
* impossible to match it
|
|
*/
|
|
if( !*n )
|
|
return false;
|
|
|
|
if( ma )
|
|
{
|
|
m = ma;
|
|
n = ++na;
|
|
count = acount;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* A copy of ConvertFileTimeToWx() because wxWidgets left it as a static function
|
|
* private to src/common/filename.cpp.
|
|
*/
|
|
#if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__)
|
|
|
|
// Convert between wxDateTime and FILETIME which is a 64-bit value representing
|
|
// the number of 100-nanosecond intervals since January 1, 1601 UTC.
|
|
//
|
|
// This is the offset between FILETIME epoch and the Unix/wxDateTime Epoch.
|
|
static wxInt64 EPOCH_OFFSET_IN_MSEC = wxLL(11644473600000);
|
|
|
|
|
|
static void ConvertFileTimeToWx( wxDateTime *dt, const FILETIME &ft )
|
|
{
|
|
wxLongLong t( ft.dwHighDateTime, ft.dwLowDateTime );
|
|
t /= 10000; // Convert hundreds of nanoseconds to milliseconds.
|
|
t -= EPOCH_OFFSET_IN_MSEC;
|
|
|
|
*dt = wxDateTime( t );
|
|
}
|
|
|
|
#endif // wxUSE_DATETIME && __WIN32__
|
|
|
|
|
|
/**
|
|
* TimestampDir
|
|
*
|
|
* This routine offers SIGNIFICANT performance benefits over using wxWidgets to gather
|
|
* timestamps from matching files in a directory.
|
|
* @param aDirPath the directory to search
|
|
* @param aFilespec a (wildcarded) file spec to match against
|
|
* @return a hash of the last-mod-dates of all matching files in the directory
|
|
*/
|
|
long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec )
|
|
{
|
|
long long timestamp = 0;
|
|
|
|
#if defined( __WIN32__ )
|
|
// Win32 version.
|
|
// Save time by not searching for each path twice: once in wxDir.GetNext() and once in
|
|
// wxFileName.GetModificationTime(). Also cuts out wxWidgets' string-matching and case
|
|
// conversion by staying on the MSW side of things.
|
|
std::wstring filespec( aDirPath.t_str() );
|
|
filespec += '\\';
|
|
filespec += aFilespec.t_str();
|
|
|
|
WIN32_FIND_DATA findData;
|
|
wxDateTime lastModDate;
|
|
|
|
HANDLE fileHandle = ::FindFirstFile( filespec.data(), &findData );
|
|
|
|
if( fileHandle != INVALID_HANDLE_VALUE )
|
|
{
|
|
do
|
|
{
|
|
ConvertFileTimeToWx( &lastModDate, findData.ftLastWriteTime );
|
|
timestamp += lastModDate.GetValue().GetValue();
|
|
}
|
|
while ( FindNextFile( fileHandle, &findData ) != 0 );
|
|
}
|
|
|
|
FindClose( fileHandle );
|
|
#else
|
|
// POSIX version.
|
|
// Save time by not converting between encodings -- do everything on the file-system side.
|
|
std::string filespec( aFilespec.fn_str() );
|
|
std::string dir_path( aDirPath.fn_str() );
|
|
|
|
DIR* dir = opendir( dir_path.c_str() );
|
|
|
|
if( dir )
|
|
{
|
|
for( dirent* dir_entry = readdir( dir ); dir_entry; dir_entry = readdir( dir ) )
|
|
{
|
|
if( !matchWild( filespec.c_str(), dir_entry->d_name, true ) )
|
|
continue;
|
|
|
|
std::string entry_path = dir_path + '/' + dir_entry->d_name;
|
|
struct stat entry_stat;
|
|
|
|
wxCRT_Lstat( entry_path.c_str(), &entry_stat );
|
|
|
|
// Timestamp the source file, not the symlink
|
|
if( S_ISLNK( entry_stat.st_mode ) ) // wxFILE_EXISTS_SYMLINK
|
|
{
|
|
char buffer[ PATH_MAX + 1 ];
|
|
ssize_t pathLen = readlink( entry_path.c_str(), buffer, PATH_MAX );
|
|
|
|
if( pathLen > 0 )
|
|
{
|
|
buffer[ pathLen ] = '\0';
|
|
entry_path = dir_path + buffer;
|
|
|
|
wxCRT_Lstat( entry_path.c_str(), &entry_stat );
|
|
}
|
|
}
|
|
|
|
if( S_ISREG( entry_stat.st_mode ) ) // wxFileExists()
|
|
timestamp += entry_stat.st_mtime * 1000;
|
|
}
|
|
|
|
closedir( dir );
|
|
}
|
|
#endif
|
|
|
|
return timestamp;
|
|
}
|