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kicad/common/filename_resolver.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2020 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* Copyright (C) 2015-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <fstream>
#include <mutex>
#include <sstream>
#include <wx/filename.h>
#include <wx/log.h>
#include <wx/msgdlg.h>
#include <pgm_base.h>
#include <trace_helpers.h>
#include "common.h"
#include "filename_resolver.h"
// configuration file version
#define CFGFILE_VERSION 1
#define RESOLVER_CONFIG wxT( "3Dresolver.cfg" )
// flag bits used to track different one-off messages to users
#define ERRFLG_ALIAS (1)
#define ERRFLG_RELPATH (2)
#define ERRFLG_ENVPATH (4)
#define MASK_3D_RESOLVER wxT( "3D_RESOLVER" )
static std::mutex mutex_resolver;
static bool getHollerith( const std::string& aString, size_t& aIndex, wxString& aResult );
FILENAME_RESOLVER::FILENAME_RESOLVER() :
m_pgm( nullptr ),
m_project( nullptr )
{
m_errflags = 0;
}
bool FILENAME_RESOLVER::Set3DConfigDir( const wxString& aConfigDir )
{
if( aConfigDir.empty() )
return false;
wxFileName cfgdir( ExpandEnvVarSubstitutions( aConfigDir, m_project ), wxT( "" ) );
cfgdir.Normalize();
if( !cfgdir.DirExists() )
return false;
m_configDir = cfgdir.GetPath();
createPathList();
return true;
}
bool FILENAME_RESOLVER::SetProject( PROJECT* aProject, bool* flgChanged )
{
m_project = aProject;
if( !aProject )
return false;
wxFileName projdir( ExpandEnvVarSubstitutions( aProject->GetProjectPath(), aProject ), wxT( "" ) );
projdir.Normalize();
if( !projdir.DirExists() )
return false;
m_curProjDir = projdir.GetPath();
if( flgChanged )
*flgChanged = false;
if( m_paths.empty() )
{
SEARCH_PATH al;
al.m_Alias = wxT( "${KIPRJMOD}" );
al.m_Pathvar = wxT( "${KIPRJMOD}" );
al.m_Pathexp = m_curProjDir;
m_paths.push_back( al );
if( flgChanged )
*flgChanged = true;
}
else
{
if( m_paths.front().m_Pathexp != m_curProjDir )
{
m_paths.front().m_Pathexp = m_curProjDir;
if( flgChanged )
*flgChanged = true;
}
else
{
return true;
}
}
#ifdef DEBUG
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] changed project dir to ";
ostr << m_paths.front().m_Pathexp.ToUTF8();
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
}
#endif
return true;
}
wxString FILENAME_RESOLVER::GetProjectDir() const
{
return m_curProjDir;
}
void FILENAME_RESOLVER::SetProgramBase( PGM_BASE* aBase )
{
m_pgm = aBase;
if( !m_pgm || m_paths.empty() )
return;
// recreate the path list
m_paths.clear();
createPathList();
}
bool FILENAME_RESOLVER::createPathList()
{
if( !m_paths.empty() )
return true;
wxString kmod;
// add an entry for the default search path; at this point
// we cannot set a sensible default so we use an empty string.
// the user may change this later with a call to SetProjectDir()
SEARCH_PATH lpath;
lpath.m_Alias = wxT( "${KIPRJMOD}" );
lpath.m_Pathvar = wxT( "${KIPRJMOD}" );
lpath.m_Pathexp = m_curProjDir;
m_paths.push_back( lpath );
wxFileName fndummy;
wxUniChar psep = fndummy.GetPathSeparator();
std::list< wxString > epaths;
if( GetKicadPaths( epaths ) )
{
for( const wxString& curr_path : epaths )
{
wxString pathVal = ExpandEnvVarSubstitutions( curr_path, m_project );
if( pathVal.empty() )
{
lpath.m_Pathexp.clear();
}
else
{
fndummy.Assign( pathVal, wxT( "" ) );
fndummy.Normalize();
lpath.m_Pathexp = fndummy.GetFullPath();
}
lpath.m_Alias = curr_path;
lpath.m_Pathvar = curr_path;
if( !lpath.m_Pathexp.empty() && psep == *lpath.m_Pathexp.rbegin() )
lpath.m_Pathexp.erase( --lpath.m_Pathexp.end() );
m_paths.push_back( lpath );
}
}
if( !m_configDir.empty() )
readPathList();
if( m_paths.empty() )
return false;
#ifdef DEBUG
wxLogTrace( MASK_3D_RESOLVER, wxT( " * [3D model] search paths:\n" ) );
std::list< SEARCH_PATH >::const_iterator sPL = m_paths.begin();
while( sPL != m_paths.end() )
{
wxLogTrace( MASK_3D_RESOLVER, wxT( " + %s : '%s'\n" ), (*sPL).m_Alias.GetData(),
(*sPL).m_Pathexp.GetData() );
++sPL;
}
#endif
return true;
}
bool FILENAME_RESOLVER::UpdatePathList( const std::vector< SEARCH_PATH >& aPathList )
{
wxUniChar envMarker( '$' );
while( !m_paths.empty() && envMarker != *m_paths.back().m_Alias.rbegin() )
m_paths.pop_back();
for( const SEARCH_PATH& path : aPathList )
addPath( path );
return WritePathList( m_configDir, RESOLVER_CONFIG, false );
}
wxString FILENAME_RESOLVER::ResolvePath( const wxString& aFileName )
{
std::lock_guard<std::mutex> lock( mutex_resolver );
if( aFileName.empty() )
return wxEmptyString;
if( m_paths.empty() )
createPathList();
// first attempt to use the name as specified:
wxString tname = aFileName;
#ifdef _WIN32
// translate from KiCad's internal UNIX-like path to MSWin paths
tname.Replace( wxT( "/" ), wxT( "\\" ) );
#endif
// Note: variable expansion must preferably be performed via a threadsafe wrapper for the
// getenv() system call. If we allow the wxFileName::Normalize() routine to perform expansion
// then we will have a race condition since wxWidgets does not assure a threadsafe wrapper
// for getenv().
tname = ExpandEnvVarSubstitutions( tname, m_project );
wxFileName tmpFN( tname );
// this case covers full paths, leading expanded vars, and paths relative to the current
// working directory (which is not necessarily the current project directory)
if( tmpFN.FileExists() )
{
tmpFN.Normalize();
tname = tmpFN.GetFullPath();
// special case: if a path begins with ${ENV_VAR} but is not in the resolver's path list
// then add it.
if( aFileName.StartsWith( wxT( "${" ) ) || aFileName.StartsWith( wxT( "$(" ) ) )
checkEnvVarPath( aFileName );
return tname;
}
// if a path begins with ${ENV_VAR}/$(ENV_VAR) and is not resolved then the file either does
// not exist or the ENV_VAR is not defined
if( aFileName.StartsWith( wxT( "${" ) ) || aFileName.StartsWith( wxT( "$(" ) ) )
{
if( !( m_errflags & ERRFLG_ENVPATH ) )
{
m_errflags |= ERRFLG_ENVPATH;
wxString errmsg = wxT( "[3D File Resolver] No such path; ensure the environment var is defined" );
errmsg.append( wxT( "\n" ) );
errmsg.append( tname );
errmsg.append( wxT( "\n" ) );
wxLogTrace( tracePathsAndFiles, errmsg );
}
return wxEmptyString;
}
// at this point aFileName is:
// a. an aliased shortened name or
// b. cannot be determined
// check the path relative to the current project directory;
// NB: this is not necessarily the same as the current working directory, which has already
// been checked. This case accounts for partial paths which do not contain ${KIPRJMOD}.
// This check is performed before checking the path relative to ${KICAD6_3DMODEL_DIR} so that
// users can potentially override a model within ${KICAD6_3DMODEL_DIR}.
if( !m_paths.begin()->m_Pathexp.empty() && !tname.StartsWith( wxT( ":" ) ) )
{
tmpFN.Assign( m_paths.begin()->m_Pathexp, wxT( "" ) );
wxString fullPath = tmpFN.GetPathWithSep() + tname;
fullPath = ExpandEnvVarSubstitutions( fullPath, m_project );
if( wxFileName::FileExists( fullPath ) )
{
tmpFN.Assign( fullPath );
tmpFN.Normalize();
tname = tmpFN.GetFullPath();
return tname;
}
}
// check the partial path relative to ${KICAD6_3DMODEL_DIR} (legacy behavior)
if( !tname.StartsWith( wxT( ":" ) ) )
{
wxFileName fpath;
wxString fullPath( wxT( "${KICAD6_3DMODEL_DIR}" ) );
fullPath.Append( fpath.GetPathSeparator() );
fullPath.Append( tname );
fullPath = ExpandEnvVarSubstitutions( fullPath, m_project );
fpath.Assign( fullPath );
if( fpath.Normalize() && fpath.FileExists() )
{
tname = fpath.GetFullPath();
return tname;
}
}
// at this point the filename must contain an alias or else it is invalid
wxString alias; // the alias portion of the short filename
wxString relpath; // the path relative to the alias
if( !SplitAlias( tname, alias, relpath ) )
{
if( !( m_errflags & ERRFLG_RELPATH ) )
{
// this can happen if the file was intended to be relative to ${KICAD6_3DMODEL_DIR}
// but ${KICAD6_3DMODEL_DIR} is not set or is incorrect.
m_errflags |= ERRFLG_RELPATH;
wxString errmsg = wxT( "[3D File Resolver] No such path" );
errmsg.append( wxT( "\n" ) );
errmsg.append( tname );
errmsg.append( wxT( "\n" ) );
wxLogTrace( tracePathsAndFiles, errmsg );
}
return wxEmptyString;
}
for( const SEARCH_PATH& path : m_paths )
{
// ${ENV_VAR} paths have already been checked; skip them
if( path.m_Alias.StartsWith( wxT( "${" ) ) || path.m_Alias.StartsWith( wxT( "$(" ) ) )
continue;
if( path.m_Alias == alias && !path.m_Pathexp.empty() )
{
wxFileName fpath( wxFileName::DirName( path.m_Pathexp ) );
wxString fullPath = fpath.GetPathWithSep() + relpath;
fullPath = ExpandEnvVarSubstitutions( fullPath, m_project );
if( wxFileName::FileExists( fullPath ) )
{
tname = fullPath;
wxFileName tmp( fullPath );
if( tmp.Normalize() )
tname = tmp.GetFullPath();
return tname;
}
}
}
if( !( m_errflags & ERRFLG_ALIAS ) )
{
m_errflags |= ERRFLG_ALIAS;
wxString errmsg = wxT( "[3D File Resolver] No such path; ensure the path alias is defined" );
errmsg.append( wxT( "\n" ) );
errmsg.append( tname.substr( 1 ) );
errmsg.append( wxT( "\n" ) );
wxLogTrace( tracePathsAndFiles, errmsg );
}
return wxEmptyString;
}
bool FILENAME_RESOLVER::addPath( const SEARCH_PATH& aPath )
{
if( aPath.m_Alias.empty() || aPath.m_Pathvar.empty() )
return false;
std::lock_guard<std::mutex> lock( mutex_resolver );
SEARCH_PATH tpath = aPath;
#ifdef _WIN32
while( tpath.m_Pathvar.EndsWith( wxT( "\\" ) ) )
tpath.m_Pathvar.erase( tpath.m_Pathvar.length() - 1 );
#else
while( tpath.m_Pathvar.EndsWith( wxT( "/" ) ) && tpath.m_Pathvar.length() > 1 )
tpath.m_Pathvar.erase( tpath.m_Pathvar.length() - 1 );
#endif
wxFileName path( ExpandEnvVarSubstitutions( tpath.m_Pathvar, m_project ), wxT( "" ) );
path.Normalize();
if( !path.DirExists() )
{
if( aPath.m_Pathvar == wxT( "${KICAD6_3DMODEL_DIR}" )
|| aPath.m_Pathvar == wxT( "${KIPRJMOD}" ) || aPath.m_Pathvar == wxT( "$(KIPRJMOD)" )
|| aPath.m_Pathvar == wxT( "${KISYS3DMOD}" ) || aPath.m_Pathvar == wxT( "$(KISYS3DMOD)" ) )
{
// suppress the message if the missing pathvar is a system variable
}
else
{
wxString msg = _( "The given path does not exist" );
msg.append( wxT( "\n" ) );
msg.append( tpath.m_Pathvar );
wxMessageBox( msg, _( "3D model search path" ) );
}
tpath.m_Pathexp.clear();
}
else
{
tpath.m_Pathexp = path.GetFullPath();
#ifdef _WIN32
while( tpath.m_Pathexp.EndsWith( wxT( "\\" ) ) )
tpath.m_Pathexp.erase( tpath.m_Pathexp.length() - 1 );
#else
while( tpath.m_Pathexp.EndsWith( wxT( "/" ) ) && tpath.m_Pathexp.length() > 1 )
tpath.m_Pathexp.erase( tpath.m_Pathexp.length() - 1 );
#endif
}
std::list< SEARCH_PATH >::iterator sPL = m_paths.begin();
std::list< SEARCH_PATH >::iterator ePL = m_paths.end();
while( sPL != ePL )
{
if( tpath.m_Alias == sPL->m_Alias )
{
wxString msg = _( "Alias: " );
msg.append( tpath.m_Alias );
msg.append( wxT( "\n" ) );
msg.append( _( "This path:wxT( " ) + wxS( " ) " ) );
msg.append( tpath.m_Pathvar );
msg.append( wxT( "\n" ) );
msg.append( _( "Existing path:wxT( " ) + wxS( " ) " ) );
msg.append( sPL->m_Pathvar );
wxMessageBox( msg, _( "Bad alias (duplicate name)" ) );
return false;
}
++sPL;
}
m_paths.push_back( tpath );
return true;
}
bool FILENAME_RESOLVER::readPathList()
{
if( m_configDir.empty() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "3D configuration directory is unknown" );
ostr << wxT( " * " ) << errmsg.ToUTF8();
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
wxFileName cfgpath( m_configDir, RESOLVER_CONFIG );
cfgpath.Normalize();
wxString cfgname = cfgpath.GetFullPath();
size_t nitems = m_paths.size();
std::ifstream cfgFile;
std::string cfgLine;
if( !wxFileName::Exists( cfgname ) )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "no 3D configuration file" );
ostr << " * " << errmsg.ToUTF8() << " '";
ostr << cfgname.ToUTF8() << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
cfgFile.open( cfgname.ToUTF8() );
if( !cfgFile.is_open() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "Could not open configuration file" );
ostr << " * " << errmsg.ToUTF8() << " '" << cfgname.ToUTF8() << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
int lineno = 0;
SEARCH_PATH al;
size_t idx;
int vnum = 0; // version number
while( cfgFile.good() )
{
cfgLine.clear();
std::getline( cfgFile, cfgLine );
++lineno;
if( cfgLine.empty() )
{
if( cfgFile.eof() )
break;
continue;
}
if( 1 == lineno && cfgLine.compare( 0, 2, "#V" ) == 0 )
{
// extract the version number and parse accordingly
if( cfgLine.size() > 2 )
{
std::istringstream istr;
istr.str( cfgLine.substr( 2 ) );
istr >> vnum;
}
continue;
}
idx = 0;
if( !getHollerith( cfgLine, idx, al.m_Alias ) )
continue;
// Don't add KICAD6_3DMODEL_DIR, one of its legacy equivalents, or KIPRJMOD from a
// config file. They're system variables are are defined at runtime.
if( al.m_Alias == wxT( "${KICAD6_3DMODEL_DIR}" )
|| al.m_Alias == wxT( "${KIPRJMOD}" ) || al.m_Alias == wxT( "$(KIPRJMOD)" )
|| al.m_Alias == wxT( "${KISYS3DMOD}" ) || al.m_Alias == wxT( "$(KISYS3DMOD)" ) )
{
continue;
}
if( !getHollerith( cfgLine, idx, al.m_Pathvar ) )
continue;
if( !getHollerith( cfgLine, idx, al.m_Description ) )
continue;
addPath( al );
}
cfgFile.close();
if( vnum < CFGFILE_VERSION )
WritePathList( m_configDir, RESOLVER_CONFIG, false );
return( m_paths.size() != nitems );
}
bool FILENAME_RESOLVER::WritePathList( const wxString& aDir, const wxString& aFilename,
bool aResolvePaths )
{
if( aDir.empty() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = _( "3D configuration directory is unknown" );
ostr << " * " << errmsg.ToUTF8();
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
wxMessageBox( errmsg, _( "Write 3D search path list" ) );
return false;
}
std::list<SEARCH_PATH>::const_iterator sPL = m_paths.begin();
if( !aResolvePaths )
{
// skip all ${ENV_VAR} alias names
while( sPL != m_paths.end()
&& ( sPL->m_Alias.StartsWith( wxT( "${" ) ) || sPL->m_Alias.StartsWith( wxT( "$(" ) ) ) )
{
++sPL;
}
}
wxFileName cfgpath( aDir, aFilename );
wxString cfgname = cfgpath.GetFullPath();
std::ofstream cfgFile;
cfgFile.open( cfgname.ToUTF8(), std::ios_base::trunc );
if( !cfgFile.is_open() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = _( "Could not open configuration file" );
ostr << " * " << errmsg.ToUTF8() << " '" << cfgname.ToUTF8() << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
wxMessageBox( errmsg, _( "Write 3D search path list" ) );
return false;
}
cfgFile << "#V" << CFGFILE_VERSION << "\n";
std::string tstr;
while( sPL != m_paths.end() )
{
tstr = sPL->m_Alias.ToUTF8();
cfgFile << "\"" << tstr.size() << ":" << tstr << "\",";
if( aResolvePaths )
tstr = ExpandEnvVarSubstitutions( sPL->m_Pathvar, m_project ).ToUTF8();
else
tstr = sPL->m_Pathvar.ToUTF8();
cfgFile << "\"" << tstr.size() << ":" << tstr << "\",";
tstr = sPL->m_Description.ToUTF8();
cfgFile << "\"" << tstr.size() << ":" << tstr << "\"\n";
++sPL;
}
bool bad = cfgFile.bad();
cfgFile.close();
if( bad )
{
wxMessageBox( _( "Problems writing configuration file" ),
_( "Write 3D search path list" ) );
return false;
}
return true;
}
void FILENAME_RESOLVER::checkEnvVarPath( const wxString& aPath )
{
bool useParen = false;
if( aPath.StartsWith( wxT( "$(" ) ) )
useParen = true;
else if( !aPath.StartsWith( wxT( "${" ) ) )
return;
size_t pEnd;
if( useParen )
pEnd = aPath.find( wxT( ")" ) );
else
pEnd = aPath.find( wxT( "}" ) );
if( pEnd == wxString::npos )
return;
wxString envar = aPath.substr( 0, pEnd + 1 );
// check if the alias exists; if not then add it to the end of the
// env var section of the path list
auto sPL = m_paths.begin();
auto ePL = m_paths.end();
while( sPL != ePL )
{
if( sPL->m_Alias == envar )
return;
if( !sPL->m_Alias.StartsWith( wxT( "${" ) ) )
break;
++sPL;
}
SEARCH_PATH lpath;
lpath.m_Alias = envar;
lpath.m_Pathvar = lpath.m_Alias;
wxFileName tmpFN( ExpandEnvVarSubstitutions( lpath.m_Alias, m_project ), wxT( "" ) );
wxUniChar psep = tmpFN.GetPathSeparator();
tmpFN.Normalize();
if( !tmpFN.DirExists() )
return;
lpath.m_Pathexp = tmpFN.GetFullPath();
if( !lpath.m_Pathexp.empty() && psep == *lpath.m_Pathexp.rbegin() )
lpath.m_Pathexp.erase( --lpath.m_Pathexp.end() );
if( lpath.m_Pathexp.empty() )
return;
m_paths.insert( sPL, lpath );
}
wxString FILENAME_RESOLVER::ShortenPath( const wxString& aFullPathName )
{
wxString fname = aFullPathName;
if( m_paths.empty() )
createPathList();
std::lock_guard<std::mutex> lock( mutex_resolver );
std::list< SEARCH_PATH >::const_iterator sL = m_paths.begin();
size_t idx;
while( sL != m_paths.end() )
{
// undefined paths do not participate in the
// file name shortening procedure
if( sL->m_Pathexp.empty() )
{
++sL;
continue;
}
wxFileName fpath;
// in the case of aliases, ensure that we use the most recent definition
if( sL->m_Alias.StartsWith( wxT( "${" ) ) || sL->m_Alias.StartsWith( wxT( "$(" ) ) )
{
wxString tpath = ExpandEnvVarSubstitutions( sL->m_Alias, m_project );
if( tpath.empty() )
{
++sL;
continue;
}
fpath.Assign( tpath, wxT( "" ) );
}
else
{
fpath.Assign( sL->m_Pathexp, wxT( "" ) );
}
wxString fps = fpath.GetPathWithSep();
wxString tname;
idx = fname.find( fps );
if( idx == 0 )
{
fname = fname.substr( fps.size() );
#ifdef _WIN32
// ensure only the '/' separator is used in the internal name
fname.Replace( wxT( "\\" ), wxT( "/" ) );
#endif
if( sL->m_Alias.StartsWith( wxT( "${" ) ) || sL->m_Alias.StartsWith( wxT( "$(" ) ) )
{
// old style ENV_VAR
tname = sL->m_Alias;
tname.Append( wxT( "/" ) );
tname.append( fname );
}
else
{
// new style alias
tname = wxT( ":" );
tname.append( sL->m_Alias );
tname.append( wxT( ":" ) );
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( wxT( "\\" ), wxT( "/" ) );
#endif
return fname;
}
const std::list< SEARCH_PATH >* FILENAME_RESOLVER::GetPaths() const
{
return &m_paths;
}
bool FILENAME_RESOLVER::SplitAlias( const wxString& aFileName,
wxString& anAlias, wxString& aRelPath ) const
{
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() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "bad Hollerith string on line" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
size_t i2 = aString.find( '"', aIndex );
if( std::string::npos == i2 )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "missing opening quote mark in config file" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
++i2;
if( i2 >= aString.size() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "invalid entry (unexpected end of line)" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
std::string tnum;
while( aString[i2] >= '0' && aString[i2] <= '9' )
tnum.append( 1, aString[i2++] );
if( tnum.empty() || aString[i2++] != ':' )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "bad Hollerith string on line" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
std::istringstream istr;
istr.str( tnum );
size_t nchars;
istr >> nchars;
if( (i2 + nchars) >= aString.size() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "invalid entry (unexpected end of line)" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
if( nchars > 0 )
{
aResult = wxString::FromUTF8( aString.substr( i2, nchars ).c_str() );
i2 += nchars;
}
if( i2 >= aString.size() || aString[i2] != '"' )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
wxString errmsg = wxT( "missing closing quote mark in config file" );
ostr << " * " << errmsg.ToUTF8() << "\n'" << aString << "'";
wxLogTrace( MASK_3D_RESOLVER, wxT( "%s\n" ), ostr.str().c_str() );
return false;
}
aIndex = i2 + 1;
return true;
}
bool FILENAME_RESOLVER::ValidateFileName( const wxString& aFileName, bool& hasAlias ) const
{
// Rules:
// 1. The generic form of an aliased 3D relative path is:
// ALIAS:relative/path
// 2. ALIAS is a UTF string excluding wxT( "{}[]()%~<>\"='`;:.,&?/\\|$" )
// 3. The relative path must be a valid relative path for the platform
hasAlias = false;
if( aFileName.empty() )
return false;
wxString filename = aFileName;
wxString lpath;
size_t aliasStart = aFileName.StartsWith( ':' ) ? 1 : 0;
size_t aliasEnd = aFileName.find( ':', aliasStart );
// ensure that the file separators suit the current platform
#ifdef __WINDOWS__
filename.Replace( wxT( "/" ), wxT( "\\" ) );
// if we see the :\ pattern then it must be a drive designator
if( aliasEnd != wxString::npos )
{
size_t pos1 = filename.find( wxT( ":\\" ) );
if( pos1 != wxString::npos && ( pos1 != aliasEnd || pos1 != 1 ) )
return false;
// if we have a drive designator then we have no alias
if( pos1 != wxString::npos )
aliasEnd = wxString::npos;
}
#else
filename.Replace( wxT( "\\" ), wxT( "/" ) );
#endif
// names may not end with ':'
if( aliasEnd == aFileName.length() -1 )
return false;
if( aliasEnd != wxString::npos )
{
// ensure the alias component is not empty
if( aliasEnd == aliasStart )
return false;
lpath = filename.substr( aliasStart, aliasEnd );
// check the alias for restricted characters
if( wxString::npos != lpath.find_first_of( wxT( "{}[]()%~<>\"='`;:.,&?/\\|$" ) ) )
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( wxT( "${" ) ) )
aliasEnd = aFileName.find( '}' );
else if( aFileName.StartsWith( wxT( "$(" ) ) )
aliasEnd = aFileName.find( ')' );
if( aliasEnd != wxString::npos )
lpath = aFileName.substr( aliasEnd + 1 );
}
// Test for forbidden chars in filenames. Should be wxFileName::GetForbiddenChars()
// On MSW, the list returned by wxFileName::GetForbiddenChars() contains separators
// '\'and '/' used here because lpath can be a full path.
// So remove separators
wxString lpath_no_sep = lpath;
#ifdef __WINDOWS__
lpath_no_sep.Replace( wxT( "/" ), wxT( " " ) );
lpath_no_sep.Replace( wxT( "\\" ), wxT( " " ) );
// A disk identifier is allowed, and therefore remove its separator
if( lpath_no_sep.Length() > 1 && lpath_no_sep[1] == ':' )
lpath_no_sep[1] = ' ';
#endif
if( wxString::npos != lpath_no_sep.find_first_of( wxFileName::GetForbiddenChars() ) )
return false;
return true;
}
bool FILENAME_RESOLVER::GetKicadPaths( std::list< wxString >& paths ) const
{
paths.clear();
if( !m_pgm )
return false;
bool hasKisys3D = false;
// iterate over the list of internally defined ENV VARs
// and add them to the paths list
ENV_VAR_MAP_CITER mS = m_pgm->GetLocalEnvVariables().begin();
ENV_VAR_MAP_CITER mE = m_pgm->GetLocalEnvVariables().end();
while( mS != mE )
{
// filter out URLs, template directories, and known system paths
if( mS->first == wxString( wxT( "KICAD_PTEMPLATES" ) )
|| mS->first == wxString( wxT( "KICAD6_FOOTPRINT_DIR" ) ) )
{
++mS;
continue;
}
if( wxString::npos != mS->second.GetValue().find( wxString( wxT( "://" ) ) ) )
{
++mS;
continue;
}
wxString tmp( wxT( "${" ) );
tmp.Append( mS->first );
tmp.Append( wxT( "}" ) );
paths.push_back( tmp );
if( tmp == wxT( "${KICAD6_3DMODEL_DIR}" ) )
hasKisys3D = true;
++mS;
}
if( !hasKisys3D )
paths.emplace_back(wxT( "${KICAD6_3DMODEL_DIR}" ) );
return true;
}
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