798 lines
21 KiB
C++
798 lines
21 KiB
C++
/*
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* This program source code file is part kicad2mcad
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*
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* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <cstdlib>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <mutex>
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#include <sstream>
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#include <wx/fileconf.h>
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#include <wx/filename.h>
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#include <wx/log.h>
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#include <wx/thread.h>
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#include <wx/msgdlg.h>
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#include <wx/stdpaths.h>
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#include "3d_resolver.h"
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// configuration file version
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#define CFGFILE_VERSION 1
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#define S3D_RESOLVER_CONFIG "ExportPaths.cfg"
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// flag bits used to track different one-off messages to users
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#define ERRFLG_ALIAS (1)
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#define ERRFLG_RELPATH (2)
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#define ERRFLG_ENVPATH (4)
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/**
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* Flag to enable plugin loader trace output.
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*
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* @ingroup trace_env_vars
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*/
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const wxChar* const trace3dResolver = wxT( "KICAD_3D_RESOLVER" );
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static std::mutex mutex3D_resolver;
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static bool getHollerith( const std::string& aString, size_t& aIndex, wxString& aResult );
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S3D_RESOLVER::S3D_RESOLVER()
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{
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m_errflags = 0;
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}
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bool S3D_RESOLVER::Set3DConfigDir( const wxString& aConfigDir )
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{
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createPathList();
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return true;
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}
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bool S3D_RESOLVER::createPathList( void )
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{
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if( !m_Paths.empty() )
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return true;
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readPathList();
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if( m_Paths.empty() )
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return false;
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#ifdef DEBUG
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wxLogTrace( trace3dResolver, " * [3D model] search paths:\n" );
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for( const SEARCH_PATH& searchPath : m_Paths )
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wxLogTrace( trace3dResolver, " + '%s'\n", searchPath.m_Pathexp );
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#endif
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return true;
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}
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wxString S3D_RESOLVER::ResolvePath( const wxString& aFileName,
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std::vector<wxString>& aSearchedPaths )
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{
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std::lock_guard<std::mutex> lock( mutex3D_resolver );
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if( aFileName.empty() )
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return wxEmptyString;
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if( m_Paths.empty() )
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createPathList();
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// look up the filename in the internal filename map
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std::map<wxString, wxString, S3D::rsort_wxString>::iterator mi;
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mi = m_NameMap.find( aFileName );
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if( mi != m_NameMap.end() )
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return mi->second;
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// first attempt to use the name as specified:
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wxString tname = aFileName;
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#ifdef _WIN32
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// translate from KiCad's internal UNIX-like path to MSWin paths
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tname.Replace( "/", "\\" );
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#endif
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// Note: variable expansion must preferably be performed via a threadsafe wrapper for the
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// getenv() system call. If we allow the wxFileName::Normalize() routine to perform expansion
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// then we will have a race condition since wxWidgets does not assure a threadsafe wrapper
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// for getenv().
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if( tname.StartsWith( "${" ) || tname.StartsWith( "$(" ) )
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tname = expandVars( tname );
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wxFileName tmpFN( tname );
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// in the case of absolute filenames we don't store a map item
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if( !aFileName.StartsWith( "${" ) && !aFileName.StartsWith( "$(" ) && tmpFN.IsAbsolute() )
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{
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if( tmpFN.FileExists() )
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{
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tmpFN.Normalize();
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return tmpFN.GetFullPath();
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}
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else
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{
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aSearchedPaths.push_back( tmpFN.GetFullPath() );
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}
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}
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// this case covers full paths, leading expanded vars, and paths relative to the current
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// working directory (which is not necessarily the current project directory)
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tmpFN.Normalize();
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if( tmpFN.FileExists() )
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{
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tname = tmpFN.GetFullPath();
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m_NameMap[ aFileName ] = tname;
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// special case: if a path begins with ${ENV_VAR} but is not in the resolver's path list
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// then add it
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if( aFileName.StartsWith( "${" ) || aFileName.StartsWith( "$(" ) )
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checkEnvVarPath( aFileName );
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return tname;
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}
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else if( tmpFN.GetFullPath() != aFileName )
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{
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aSearchedPaths.push_back( tmpFN.GetFullPath() );
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}
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// if a path begins with ${ENV_VAR}/$(ENV_VAR) and is not resolved then the file either does
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// not exist or the ENV_VAR is not defined
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if( aFileName.StartsWith( "${" ) || aFileName.StartsWith( "$(" ) )
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{
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m_errflags |= ERRFLG_ENVPATH;
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return aFileName;
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}
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// at this point aFileName is:
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// a. an aliased shortened name or
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// b. cannot be determined
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// check the path relative to the current project directory;
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// NB: this is not necessarily the same as the current working directory, which has already
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// been checked. This case accounts for partial paths which do not contain ${KIPRJMOD}.
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// This check is performed before checking the path relative to ${KICAD6_3DMODEL_DIR} so that
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// users can potentially override a model within ${KICAD6_3DMODEL_DIR}.
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if( !m_Paths.empty() && !m_Paths.begin()->m_Pathexp.empty() && !tname.StartsWith( ":" ) )
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{
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tmpFN.Assign( m_Paths.begin()->m_Pathexp, "" );
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wxString fullPath = tmpFN.GetPathWithSep() + tname;
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if( fullPath.StartsWith( "${" ) || fullPath.StartsWith( "$(" ) )
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fullPath = expandVars( fullPath );
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tmpFN.Assign( fullPath );
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tmpFN.Normalize();
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if( tmpFN.FileExists() )
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{
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tname = tmpFN.GetFullPath();
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m_NameMap[ aFileName ] = tname;
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return tname;
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}
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else if( tmpFN.GetFullPath() != aFileName )
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{
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aSearchedPaths.push_back( tmpFN.GetFullPath() );
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}
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}
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// check the partial path relative to ${KICAD6_3DMODEL_DIR} (legacy behavior)
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if( !tname.Contains( ":" ) )
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{
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wxFileName fpath;
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wxString fullPath( "${KICAD6_3DMODEL_DIR}" );
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fullPath.Append( fpath.GetPathSeparator() );
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fullPath.Append( tname );
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fullPath = expandVars( fullPath );
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fpath.Assign( fullPath );
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fpath.Normalize();
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if( fpath.FileExists() )
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{
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tname = fpath.GetFullPath();
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m_NameMap[ aFileName ] = tname;
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return tname;
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}
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else
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{
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aSearchedPaths.push_back( fpath.GetFullPath() );
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}
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}
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// at this point the filename must contain an alias or else it is invalid
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wxString alias; // the alias portion of the short filename
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wxString relpath; // the path relative to the alias
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if( !SplitAlias( tname, alias, relpath ) )
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{
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// this can happen if the file was intended to be relative to ${KICAD6_3DMODEL_DIR}
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// but ${KICAD6_3DMODEL_DIR} is not set or is incorrect.
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m_errflags |= ERRFLG_RELPATH;
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return aFileName;
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}
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for( const SEARCH_PATH& path : m_Paths )
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{
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// ${ENV_VAR} paths have already been checked; skip them
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if( path.m_Alias.StartsWith( "${" ) || path.m_Alias.StartsWith( "$(" ) )
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continue;
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if( path.m_Alias == alias && !path.m_Pathexp.empty() )
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{
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wxFileName fpath( wxFileName::DirName( path.m_Pathexp ) );
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wxString fullPath = fpath.GetPathWithSep() + relpath;
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if( fullPath.StartsWith( "${") || fullPath.StartsWith( "$(" ) )
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fullPath = expandVars( fullPath );
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wxFileName tmp( fullPath );
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tmp.Normalize();
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if( tmp.FileExists() )
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{
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tname = tmp.GetFullPath();
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m_NameMap[ aFileName ] = tname;
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return tname;
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}
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else
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{
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aSearchedPaths.push_back( tmp.GetFullPath() );
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}
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}
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}
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m_errflags |= ERRFLG_ALIAS;
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return aFileName;
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}
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bool S3D_RESOLVER::addPath( const SEARCH_PATH& aPath )
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{
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if( aPath.m_Alias.empty() || aPath.m_Pathvar.empty() )
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return false;
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std::lock_guard<std::mutex> lock( mutex3D_resolver );
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SEARCH_PATH tpath = aPath;
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#ifdef _WIN32
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while( tpath.m_Pathvar.EndsWith( "\\" ) )
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tpath.m_Pathvar.erase( tpath.m_Pathvar.length() - 1 );
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#else
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while( tpath.m_Pathvar.EndsWith( "/" ) && tpath.m_Pathvar.length() > 1 )
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tpath.m_Pathvar.erase( tpath.m_Pathvar.length() - 1 );
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#endif
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wxFileName path( tpath.m_Pathvar, "" );
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path.Normalize();
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if( !path.DirExists() )
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{
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// Show a message only in debug mode
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#ifdef DEBUG
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if( aPath.m_Pathvar == "${KICAD6_3DMODEL_DIR}"
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|| aPath.m_Pathvar == "${KIPRJMOD}"
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|| aPath.m_Pathvar == "${KISYS3DMOD}" )
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{
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// suppress the message if the missing pathvar is a system variable
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}
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else
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{
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wxString msg = _( "The given path does not exist" );
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msg.append( "\n" );
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msg.append( tpath.m_Pathvar );
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wxLogMessage( "%s\n", msg.ToUTF8() );
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}
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#endif
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tpath.m_Pathexp.clear();
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}
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else
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{
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tpath.m_Pathexp = path.GetFullPath();
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#ifdef _WIN32
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while( tpath.m_Pathexp.EndsWith( "\\" ) )
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tpath.m_Pathexp.erase( tpath.m_Pathexp.length() - 1 );
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#else
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while( tpath.m_Pathexp.EndsWith( "/" ) && tpath.m_Pathexp.length() > 1 )
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tpath.m_Pathexp.erase( tpath.m_Pathexp.length() - 1 );
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#endif
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}
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wxString pname = path.GetPath();
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std::list< SEARCH_PATH >::iterator sPL = m_Paths.begin();
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std::list< SEARCH_PATH >::iterator ePL = m_Paths.end();
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while( sPL != ePL )
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{
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if( tpath.m_Alias == sPL->m_Alias )
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{
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wxString msg = _( "Alias:" ) + wxS( " " );
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msg.append( tpath.m_Alias );
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msg.append( "\n" );
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msg.append( _( "This path:" ) + wxS( " " ) );
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msg.append( tpath.m_Pathvar );
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msg.append( "\n" );
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msg.append( _( "Existing path:" ) + wxS( " " ) );
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msg.append( sPL->m_Pathvar );
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wxMessageBox( msg, _( "Bad alias (duplicate name)" ) );
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return false;
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}
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++sPL;
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}
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m_Paths.push_back( tpath );
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return true;
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}
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bool S3D_RESOLVER::readPathList( void )
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{
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wxFileName cfgpath( wxStandardPaths::Get().GetTempDir(), S3D_RESOLVER_CONFIG );
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cfgpath.Normalize();
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wxString cfgname = cfgpath.GetFullPath();
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size_t nitems = m_Paths.size();
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std::ifstream cfgFile;
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std::string cfgLine;
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if( !wxFileName::Exists( cfgname ) )
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{
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wxLogTrace( trace3dResolver, wxT( "%s:%s:d\n * no 3D configuration file '%s'" ),
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__FILE__, __FUNCTION__, __LINE__, cfgname );
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return false;
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}
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cfgFile.open( cfgname.ToUTF8() );
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if( !cfgFile.is_open() )
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{
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wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * Could not open configuration file '%s'" ),
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__FILE__, __FUNCTION__, __LINE__, cfgname );
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return false;
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}
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int lineno = 0;
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SEARCH_PATH al;
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size_t idx;
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int vnum = 0; // version number
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while( cfgFile.good() )
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{
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cfgLine.clear();
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std::getline( cfgFile, cfgLine );
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++lineno;
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if( cfgLine.empty() )
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{
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if( cfgFile.eof() )
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break;
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continue;
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}
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if( 1 == lineno && cfgLine.compare( 0, 2, "#V" ) == 0 )
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{
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// extract the version number and parse accordingly
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if( cfgLine.size() > 2 )
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{
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std::istringstream istr;
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istr.str( cfgLine.substr( 2 ) );
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istr >> vnum;
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}
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continue;
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}
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idx = 0;
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if( !getHollerith( cfgLine, idx, al.m_Alias ) )
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continue;
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if( !getHollerith( cfgLine, idx, al.m_Pathvar ) )
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continue;
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if( !getHollerith( cfgLine, idx, al.m_Description ) )
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continue;
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addPath( al );
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}
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cfgFile.close();
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if( m_Paths.size() != nitems )
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return true;
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return false;
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}
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void S3D_RESOLVER::checkEnvVarPath( const wxString& aPath )
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{
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bool useParen = false;
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if( aPath.StartsWith( "$(" ) )
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useParen = true;
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else if( !aPath.StartsWith( "${" ) )
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return;
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size_t pEnd;
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if( useParen )
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pEnd = aPath.find( ")" );
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else
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pEnd = aPath.find( "}" );
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if( pEnd == wxString::npos )
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return;
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wxString envar = aPath.substr( 0, pEnd + 1 );
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// check if the alias exists; if not then add it to the end of the
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// env var section of the path list
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std::list< SEARCH_PATH >::iterator sPL = m_Paths.begin();
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std::list< SEARCH_PATH >::iterator ePL = m_Paths.end();
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while( sPL != ePL )
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{
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if( sPL->m_Alias == envar )
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return;
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if( !sPL->m_Alias.StartsWith( "${" ) )
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break;
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++sPL;
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}
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SEARCH_PATH lpath;
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lpath.m_Alias = envar;
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lpath.m_Pathvar = lpath.m_Alias;
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wxFileName tmpFN( lpath.m_Alias, "" );
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wxUniChar psep = tmpFN.GetPathSeparator();
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tmpFN.Normalize();
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if( !tmpFN.DirExists() )
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return;
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lpath.m_Pathexp = tmpFN.GetFullPath();
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if( !lpath.m_Pathexp.empty() && psep == *lpath.m_Pathexp.rbegin() )
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lpath.m_Pathexp.erase( --lpath.m_Pathexp.end() );
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if( lpath.m_Pathexp.empty() )
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return;
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m_Paths.insert( sPL, lpath );
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return;
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}
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wxString S3D_RESOLVER::expandVars( const wxString& aPath )
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{
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if( aPath.empty() )
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return wxEmptyString;
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wxString result;
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for( const std::pair<const wxString, wxString>& i : m_EnvVars )
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{
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if( !aPath.compare( 2, i.first.length(), i.first ) )
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{
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result = i.second;
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result.append( aPath.substr( 3 + i.first.length() ) );
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if( result.StartsWith( "${" ) || result.StartsWith( "$(" ) )
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result = expandVars( result );
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return result;
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}
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}
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result = wxExpandEnvVars( aPath );
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if( result == aPath )
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return wxEmptyString;
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if( result.StartsWith( "${" ) || result.StartsWith( "$(" ) )
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result = expandVars( result );
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return result;
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}
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wxString S3D_RESOLVER::ShortenPath( const wxString& aFullPathName )
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{
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wxString fname = aFullPathName;
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if( m_Paths.empty() )
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createPathList();
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|
|
|
std::lock_guard<std::mutex> lock( mutex3D_resolver );
|
|
|
|
std::list< SEARCH_PATH >::const_iterator sL = m_Paths.begin();
|
|
std::list< SEARCH_PATH >::const_iterator eL = m_Paths.end();
|
|
size_t idx;
|
|
|
|
while( sL != eL )
|
|
{
|
|
// undefined paths do not participate in the file name shortening procedure.
|
|
if( sL->m_Pathexp.empty() )
|
|
{
|
|
++sL;
|
|
continue;
|
|
}
|
|
|
|
wxFileName fpath( sL->m_Pathexp, "" );
|
|
wxString fps = fpath.GetPathWithSep();
|
|
wxString tname;
|
|
|
|
idx = fname.find( fps );
|
|
|
|
if( std::string::npos != idx && 0 == idx )
|
|
{
|
|
fname = fname.substr( fps.size() );
|
|
|
|
#ifdef _WIN32
|
|
// ensure only the '/' separator is used in the internal name
|
|
fname.Replace( "\\", "/" );
|
|
#endif
|
|
|
|
if( sL->m_Alias.StartsWith( "${" ) || sL->m_Alias.StartsWith( "$(" ) )
|
|
{
|
|
// old style ENV_VAR
|
|
tname = sL->m_Alias;
|
|
tname.Append( "/" );
|
|
tname.append( fname );
|
|
}
|
|
else
|
|
{
|
|
// new style alias
|
|
tname = ":";
|
|
tname.append( sL->m_Alias );
|
|
tname.append( ":" );
|
|
tname.append( fname );
|
|
}
|
|
|
|
return tname;
|
|
}
|
|
|
|
++sL;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
// it is strange to convert an MSWin full path to use the
|
|
// UNIX separator but this is done for consistency and can
|
|
// be helpful even when transferring project files from
|
|
// MSWin to *NIX.
|
|
fname.Replace( "\\", "/" );
|
|
#endif
|
|
|
|
return fname;
|
|
}
|
|
|
|
|
|
|
|
const std::list< SEARCH_PATH >* S3D_RESOLVER::GetPaths( void )
|
|
{
|
|
return &m_Paths;
|
|
}
|
|
|
|
|
|
bool S3D_RESOLVER::SplitAlias( const wxString& aFileName, wxString& anAlias, wxString& aRelPath )
|
|
{
|
|
anAlias.clear();
|
|
aRelPath.clear();
|
|
|
|
size_t searchStart = 0;
|
|
|
|
if( aFileName.StartsWith( wxT( ":" ) ) )
|
|
searchStart = 1;
|
|
|
|
size_t tagpos = aFileName.find( wxT( ":" ), searchStart );
|
|
|
|
if( tagpos == wxString::npos || tagpos == searchStart )
|
|
return false;
|
|
|
|
if( tagpos + 1 >= aFileName.length() )
|
|
return false;
|
|
|
|
anAlias = aFileName.substr( searchStart, tagpos - searchStart );
|
|
aRelPath = aFileName.substr( tagpos + 1 );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
static bool getHollerith( const std::string& aString, size_t& aIndex, wxString& aResult )
|
|
{
|
|
aResult.clear();
|
|
|
|
if( aIndex >= aString.size() )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * Bad Hollerith string in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t i2 = aString.find( '"', aIndex );
|
|
|
|
if( std::string::npos == i2 )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * missing opening quote mark in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
++i2;
|
|
|
|
if( i2 >= aString.size() )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * unexpected end of line in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
std::string tnum;
|
|
|
|
while( aString[i2] >= '0' && aString[i2] <= '9' )
|
|
tnum.append( 1, aString[i2++] );
|
|
|
|
if( tnum.empty() || aString[i2++] != ':' )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * Bad Hollerith string in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
std::istringstream istr;
|
|
istr.str( tnum );
|
|
size_t nchars;
|
|
istr >> nchars;
|
|
|
|
if( (i2 + nchars) >= aString.size() )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * unexpected end of line in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
if( nchars > 0 )
|
|
{
|
|
aResult = wxString::FromUTF8( aString.substr( i2, nchars ).c_str() );
|
|
i2 += nchars;
|
|
}
|
|
|
|
if( i2 >= aString.size() || aString[i2] != '"' )
|
|
{
|
|
wxLogTrace( trace3dResolver, wxT( "%s:%s:%d\n * missing closing quote mark in line '%s'" ),
|
|
__FILE__, __FUNCTION__, __LINE__, aString );
|
|
|
|
return false;
|
|
}
|
|
|
|
aIndex = i2 + 1;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool S3D_RESOLVER::ValidateFileName( const wxString& aFileName, bool& hasAlias )
|
|
{
|
|
// Rules:
|
|
// 1. The generic form of an aliased 3D relative path is:
|
|
// ALIAS:relative/path
|
|
// 2. ALIAS is a UTF string excluding "{}[]()%~<>\"='`;:.,&?/\\|$"
|
|
// 3. The relative path must be a valid relative path for the platform
|
|
hasAlias = false;
|
|
|
|
if( aFileName.empty() )
|
|
return false;
|
|
|
|
wxString filename = aFileName;
|
|
wxString lpath;
|
|
size_t aliasStart = aFileName.StartsWith( ':' ) ? 1 : 0;
|
|
size_t aliasEnd = aFileName.find( ':' );
|
|
|
|
// ensure that the file separators suit the current platform
|
|
#ifdef __WINDOWS__
|
|
filename.Replace( "/", "\\" );
|
|
|
|
// if we see the :\ pattern then it must be a drive designator
|
|
if( aliasEnd != wxString::npos )
|
|
{
|
|
size_t pos1 = aFileName.find( ":\\" );
|
|
|
|
if( pos1 != wxString::npos && ( pos1 != aliasEnd || pos1 != 1 ) )
|
|
return false;
|
|
|
|
// if we have a drive designator then we have no alias
|
|
if( pos1 != wxString::npos )
|
|
aliasEnd = wxString::npos;
|
|
}
|
|
#else
|
|
filename.Replace( "\\", "/" );
|
|
#endif
|
|
|
|
// names may not end with ':'
|
|
if( aliasEnd == aFileName.length() - 1 )
|
|
return false;
|
|
|
|
if( aliasEnd != wxString::npos )
|
|
{
|
|
// ensure the alias component is not empty
|
|
if( aliasEnd == aliasStart )
|
|
return false;
|
|
|
|
lpath = filename.substr( aliasStart, aliasEnd );
|
|
|
|
// check the alias for restricted characters
|
|
if( wxString::npos != lpath.find_first_of( "{}[]()%~<>\"='`;:.,&?/\\|$" ) )
|
|
return false;
|
|
|
|
hasAlias = true;
|
|
lpath = aFileName.substr( aliasEnd + 1 );
|
|
}
|
|
else
|
|
{
|
|
lpath = aFileName;
|
|
|
|
// in the case of ${ENV_VAR}|$(ENV_VAR)/path, strip the
|
|
// environment string before testing
|
|
aliasEnd = wxString::npos;
|
|
|
|
if( aFileName.StartsWith( "${" ) )
|
|
aliasEnd = aFileName.find( '}' );
|
|
else if( aFileName.StartsWith( "$(" ) )
|
|
aliasEnd = aFileName.find( ')' );
|
|
|
|
if( aliasEnd != wxString::npos )
|
|
lpath = aFileName.substr( aliasEnd + 1 );
|
|
}
|
|
|
|
if( wxString::npos != lpath.find_first_of( wxFileName::GetForbiddenChars() ) )
|
|
return false;
|
|
|
|
return true;
|
|
}
|