1055 lines
28 KiB
C++
1055 lines
28 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) 1992-2020 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 <fctsys.h>
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#include <eda_base_frame.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/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 <boost/uuid/uuid_generators.hpp>
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#include <boost/uuid/uuid_io.hpp>
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#include <boost/functional/hash.hpp>
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using KIGFX::COLOR4D;
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// Create only once, as seeding is *very* expensive
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static boost::uuids::random_generator randomGenerator;
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// These don't have the same performance penalty, but might as well be consistent
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static boost::uuids::string_generator stringGenerator;
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static boost::uuids::nil_generator nilGenerator;
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// Global nil reference
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KIID niluuid( 0 );
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// For static initialization
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KIID& NilUuid()
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{
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static KIID nil( 0 );
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return nil;
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}
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KIID::KIID() :
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m_uuid( randomGenerator() ),
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m_cached_timestamp( 0 )
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{
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}
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KIID::KIID( int null ) :
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m_uuid( nilGenerator() ),
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m_cached_timestamp( 0 )
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{
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wxASSERT( null == 0 );
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}
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KIID::KIID( const wxString& aString ) :
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m_uuid(),
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m_cached_timestamp( 0 )
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{
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if( aString.length() == 8 )
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{
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// A legacy-timestamp-based UUID has only the last 4 octets filled in.
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// Convert them individually to avoid stepping in the little-endian/big-endian
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// doo-doo.
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for( int i = 0; i < 4; ++i )
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{
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wxString octet = aString.substr( i * 2, 2 );
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m_uuid.data[ i + 12 ] = strtol( octet.data(), NULL, 16 );
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}
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m_cached_timestamp = strtol( aString.c_str(), NULL, 16 );
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}
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else
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{
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try
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{
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m_uuid = stringGenerator( aString.wc_str() );
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if( IsLegacyTimestamp() )
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m_cached_timestamp = strtol( aString.substr( 28 ).c_str(), NULL, 16 );
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}
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catch( ... )
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{
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// Failed to parse string representation; best we can do is assign a new
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// random one.
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m_uuid = randomGenerator();
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}
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}
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}
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KIID::KIID( timestamp_t aTimestamp )
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{
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m_cached_timestamp = aTimestamp;
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// A legacy-timestamp-based UUID has only the last 4 octets filled in.
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// Convert them individually to avoid stepping in the little-endian/big-endian
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// doo-doo.
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wxString str = AsLegacyTimestampString();
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for( int i = 0; i < 4; ++i )
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{
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wxString octet = str.substr( i * 2, 2 );
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m_uuid.data[ i + 12 ] = strtol( octet.data(), NULL, 16 );
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}
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}
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bool KIID::IsLegacyTimestamp() const
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{
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return !m_uuid.data[8] && !m_uuid.data[9] && !m_uuid.data[10] && !m_uuid.data[11];
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}
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timestamp_t KIID::AsLegacyTimestamp() const
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{
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return m_cached_timestamp;
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}
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size_t KIID::Hash() const
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{
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size_t hash = 0;
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// Note: this is NOT little-endian/big-endian safe, but as long as it's just used
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// at runtime it won't matter.
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for( int i = 0; i < 4; ++i )
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boost::hash_combine( hash, reinterpret_cast<const uint32_t*>( m_uuid.data )[i] );
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return hash;
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}
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void KIID::Clone( const KIID& aUUID )
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{
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m_uuid = aUUID.m_uuid;
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m_cached_timestamp = aUUID.m_cached_timestamp;
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}
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wxString KIID::AsString() const
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{
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return boost::uuids::to_string( m_uuid );
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}
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wxString KIID::AsLegacyTimestampString() const
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{
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return wxString::Format( "%8.8lX", (unsigned long) AsLegacyTimestamp() );
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}
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void KIID::ConvertTimestampToUuid()
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{
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if( !IsLegacyTimestamp() )
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return;
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m_cached_timestamp = 0;
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m_uuid = randomGenerator();
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}
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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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// When reading/writing files, we need to swtich to setlocale( LC_NUMERIC, "C" ).
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// Works fine to read/write files with floating point numbers.
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// We can call setlocale( LC_NUMERIC, "C" ) of wxLocale( "C", "C", "C", false )
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// wxWidgets discourage a direct call to setlocale
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// However, for us, calling wxLocale( "C", "C", "C", false ) has a unwanted effect:
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// The I18N translations are no longer active, because the English dixtionary is selected.
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// To read files, this is not a major issues, but the resul can differ
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// from using setlocale(xx, "C").
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// Previouly, we called setlocale( LC_NUMERIC, "C" )
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// The old code will be removed when calling wxLocale( "C", "C", "C", false )
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// is fully tested, and all issues fixed
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#define USE_WXLOCALE 1 /* 0 to call setlocale, 1 to call wxLocale */
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// On Windows, when using setlocale, a wx alert is generated
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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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#if !USE_WXLOCALE
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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.c_str(), line, func.c_str(), cond.c_str(), msg.c_str() );
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}
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#endif
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#endif
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std::atomic<unsigned int> LOCALE_IO::m_c_count( 0 );
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LOCALE_IO::LOCALE_IO() : m_wxLocale( nullptr )
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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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#if USE_WXLOCALE
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m_wxLocale = new wxLocale( "C", "C", "C", false );
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#else
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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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#endif
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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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#if USE_WXLOCALE
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delete m_wxLocale; // Deleting m_wxLocale restored previous locale
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m_wxLocale = nullptr;
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#else
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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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#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 (int) wxExecute( aCommandLine, aFlags, callback );
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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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wxString ExpandTextVars( const wxString& aSource,
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const std::function<bool( wxString* )>* aLocalResolver,
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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] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
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{
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wxString token;
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for( i = i + 2; i < sourceLen; ++i )
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{
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if( aSource[i] == '}' )
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break;
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else
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token.append( aSource[i] );
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}
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if( token.IsEmpty() )
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continue;
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if( aLocalResolver && (*aLocalResolver)( &token ) )
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{
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newbuf.append( token );
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}
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else if( aProject && aProject->TextVarResolver( &token ) )
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{
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newbuf.append( token );
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}
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else
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{
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// Token not resolved: leave the reference unchanged
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newbuf.append( "${" + 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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wxUniChar str_m = str[m];
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while( m < strlen && ( wxIsalnum( str_m ) || str_m == wxT( '_' ) || 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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|
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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 )
|
|
strResult << str[n - 1];
|
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|
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strResult << str_n << strVarName;
|
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}
|
|
|
|
// check the closing bracket
|
|
if( bracket != Bracket_None )
|
|
{
|
|
if( m == strlen || str_m != (wxChar)bracket )
|
|
{
|
|
// under MSW it's common to have '%' characters in the registry
|
|
// and it's annoying to have warnings about them each time, so
|
|
// ignore them silently if they are not used for env vars
|
|
//
|
|
// under Unix, OTOH, this warning could be useful for the user to
|
|
// understand why isn't the variable expanded as intended
|
|
#ifndef __WINDOWS__
|
|
wxLogWarning( _( "Environment variables expansion failed: missing '%c' "
|
|
"at position %u in '%s'." ),
|
|
(char)bracket, (unsigned int) (m + 1), str.c_str() );
|
|
#endif // __WINDOWS__
|
|
}
|
|
else
|
|
{
|
|
// skip closing bracket unless the variables wasn't expanded
|
|
if( !expanded )
|
|
strResult << (wxChar)bracket;
|
|
|
|
m++;
|
|
}
|
|
}
|
|
|
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n = m - 1; // skip variable name
|
|
str_n = str[n];
|
|
}
|
|
break;
|
|
|
|
case wxT( '\\' ):
|
|
// backslash can be used to suppress special meaning of % and $
|
|
if( n != strlen - 1 && (str[n + 1] == wxT( '%' ) || str[n + 1] == wxT( '$' )) )
|
|
{
|
|
str_n = str[++n];
|
|
strResult += str_n;
|
|
|
|
break;
|
|
}
|
|
KI_FALLTHROUGH;
|
|
|
|
default:
|
|
strResult += str_n;
|
|
}
|
|
}
|
|
|
|
#ifndef __WINDOWS__
|
|
if( strResult.StartsWith( "~" ) )
|
|
strResult.Replace( "~", wxGetHomeDir(), false );
|
|
#endif // __WINDOWS__
|
|
|
|
return strResult;
|
|
}
|
|
|
|
|
|
const wxString ExpandEnvVarSubstitutions( const wxString& aString, PROJECT* aProject )
|
|
{
|
|
// wxGetenv( wchar_t* ) is not re-entrant on linux.
|
|
// Put a lock on multithreaded use of wxGetenv( wchar_t* ), called from wxEpandEnvVars(),
|
|
static std::mutex getenv_mutex;
|
|
|
|
std::lock_guard<std::mutex> lock( getenv_mutex );
|
|
|
|
// We reserve the right to do this another way, by providing our own member function.
|
|
return KIwxExpandEnvVars( aString, aProject );
|
|
}
|
|
|
|
|
|
const wxString ResolveUriByEnvVars( const wxString& aUri, PROJECT* aProject )
|
|
{
|
|
wxString uri = ExpandTextVars( aUri, nullptr, aProject );
|
|
|
|
// URL-like URI: return as is.
|
|
wxURL url( uri );
|
|
|
|
if( url.GetError() == wxURL_NOERR )
|
|
return uri;
|
|
|
|
// Otherwise, the path points to a local file. Resolve environment variables if any.
|
|
return ExpandEnvVarSubstitutions( aUri, aProject );
|
|
}
|
|
|
|
|
|
bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
|
|
const wxString& aBaseFilename,
|
|
REPORTER* aReporter )
|
|
{
|
|
wxString msg;
|
|
wxString baseFilePath = wxFileName( aBaseFilename ).GetPath();
|
|
|
|
// make aTargetFullFileName path, which is relative to aBaseFilename path (if it is not
|
|
// already an absolute path) absolute:
|
|
if( !aTargetFullFileName->MakeAbsolute( baseFilePath ) )
|
|
{
|
|
if( aReporter )
|
|
{
|
|
msg.Printf( _( "Cannot make path \"%s\" absolute with respect to \"%s\"." ),
|
|
aTargetFullFileName->GetPath(),
|
|
baseFilePath );
|
|
aReporter->Report( msg, RPT_SEVERITY_ERROR );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Ensure the path of aTargetFullFileName exists, and create it if needed:
|
|
wxString outputPath( aTargetFullFileName->GetPath() );
|
|
|
|
if( !wxFileName::DirExists( outputPath ) )
|
|
{
|
|
if( wxMkdir( outputPath ) )
|
|
{
|
|
if( aReporter )
|
|
{
|
|
msg.Printf( _( "Output directory \"%s\" created.\n" ), outputPath );
|
|
aReporter->Report( msg, RPT_SEVERITY_INFO );
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( aReporter )
|
|
{
|
|
msg.Printf( _( "Cannot create output directory \"%s\".\n" ), outputPath );
|
|
aReporter->Report( msg, RPT_SEVERITY_ERROR );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
#ifdef __WXMAC__
|
|
wxString GetOSXKicadUserDataDir()
|
|
{
|
|
// According to wxWidgets documentation for GetUserDataDir:
|
|
// Mac: ~/Library/Application Support/appname
|
|
wxFileName udir( wxStandardPaths::Get().GetUserDataDir(), wxEmptyString );
|
|
|
|
// Since appname is different if started via launcher or standalone binary
|
|
// map all to "kicad" here
|
|
udir.RemoveLastDir();
|
|
udir.AppendDir( "kicad" );
|
|
|
|
return udir.GetPath();
|
|
}
|
|
|
|
|
|
wxString GetOSXKicadMachineDataDir()
|
|
{
|
|
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;
|
|
|
|
if( wxCRT_Lstat( entry_path.c_str(), &entry_stat ) == 0 )
|
|
{
|
|
// 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 )
|
|
{
|
|
struct stat linked_stat;
|
|
buffer[ pathLen ] = '\0';
|
|
entry_path = dir_path + buffer;
|
|
|
|
if( wxCRT_Lstat( entry_path.c_str(), &linked_stat ) == 0 )
|
|
{
|
|
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;
|
|
}
|
|
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;
|
|
}
|