213 lines
6.4 KiB
C++
213 lines
6.4 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) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 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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/**
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* @file 3d_resolver.h
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* provides an extensible class to resolve 3D model paths.
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* Derived from 3d_filename_resolver.h,cpp and modified for
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* use in stand-alone utilities.
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*/
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#ifndef RESOLVER_3D_H
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#define RESOLVER_3D_H
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#include <list>
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#include <map>
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#include <vector>
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#include <wx/string.h>
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namespace S3D
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{
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struct rsort_wxString
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{
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bool operator() (const wxString& strA, const wxString& strB ) const
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{
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// sort a wxString using the reverse character order; for 3d model
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// filenames this will typically be a much faster operation than
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// a normal alphabetic sort
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wxString::const_reverse_iterator sA = strA.rbegin();
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wxString::const_reverse_iterator eA = strA.rend();
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wxString::const_reverse_iterator sB = strB.rbegin();
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wxString::const_reverse_iterator eB = strB.rend();
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if( strA.empty() )
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{
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if( strB.empty() )
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return false;
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// note: this rule implies that a null string is first in the sort order
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return true;
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}
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if( strB.empty() )
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return false;
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while( sA != eA && sB != eB )
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{
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if( (*sA) == (*sB) )
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{
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++sA;
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++sB;
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continue;
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}
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if( (*sA) < (*sB) )
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return true;
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else
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return false;
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}
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if( sB == eB )
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return false;
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return true;
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}
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};
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}; // end NAMESPACE
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class KICADPCB;
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struct SEARCH_PATH
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{
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wxString m_Alias; // alias to the base path
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wxString m_Pathvar; // base path as stored in the config file
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wxString m_Pathexp; // expanded base path
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wxString m_Description; // description of the aliased path
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};
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class S3D_RESOLVER
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{
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public:
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S3D_RESOLVER();
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/**
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* Set the user's configuration directory for 3D models.
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*
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* @param aConfigDir
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* @return true if the call succeeds (directory exists).
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*/
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bool Set3DConfigDir( const wxString& aConfigDir );
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/**
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* Set the current KiCad project directory as the first entry in the model path list.
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*
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* @param aProjDir is the current project directory.
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* @param flgChanged, if specified, is set to true if the directory actually changed.
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* @return true if the call succeeds.
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*/
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bool SetProjectDir( const wxString& aProjDir, bool* flgChanged = NULL );
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wxString GetProjectDir( void );
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/**
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* Determine the full path of the given file name.
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*
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* In the future remote files may be supported, in which case it is best to require a full
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* URI in which case #ResolvePath should check that the URI conforms to RFC-2396 and related
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* documents and copies \a aFileName into the resolved name if the URI is valid.
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*/
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wxString ResolvePath( const wxString& aFileName );
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/**
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* Produce a relative path based on the existing search directories or returns the same path
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* if the path is not a superset of an existing search path.
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*
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* @param aFullPathName is an absolute path to shorten.
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* @return the shortened path or aFullPathName.
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*/
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wxString ShortenPath( const wxString& aFullPathName );
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/**
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* Return a pointer to the internal path list.
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*
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* The list can be used to set up the list of search paths available to a 3D file browser.
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*
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* @return the search path list.
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*/
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const std::list< SEARCH_PATH >* GetPaths( void );
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/**
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* Return true if the given name contains an alias and populates the string with the alias
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* and the relative path.
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*/
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bool SplitAlias( const wxString& aFileName, wxString& anAlias, wxString& aRelPath );
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/**
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* If the path contains an alias then \a hasAlias is set true.
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*
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* @return true if the given path is a valid aliased relative path.
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*/
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bool ValidateFileName( const wxString& aFileName, bool& hasAlias );
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private:
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/**
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* Build the path list using available information such as KICAD6_3DMODEL_DIR and the
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* 3d_path_list configuration file.
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*
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* Invalid paths are silently discarded and removed from the configuration file.
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*
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* @return true if at least one valid path was found
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*/
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bool createPathList( void );
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/**
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* Check that \a aPath is valid and adds it to the search list.
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*
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* @param aPath is the alias set to be checked and added.
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* @return true if \a aPath is valid.
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*/
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bool addPath( const SEARCH_PATH& aPath );
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/**
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* Read a list of path names from a configuration file.
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*
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* @return true if a file was found and contained at least one valid path.
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*/
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bool readPathList( void );
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/**
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* Check the ${ENV_VAR} component of a path and adds it to the resolver's path list if it
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* is not yet in the list.
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*/
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void checkEnvVarPath( const wxString& aPath );
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wxString expandVars( const wxString& aPath );
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wxString m_ConfigDir; ///< 3D configuration directory.
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std::list< SEARCH_PATH > m_Paths; ///< List of base search paths.
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///< Mapping of (short) file names to resolved names.
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std::map< wxString, wxString, S3D::rsort_wxString > m_NameMap;
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int m_errflags;
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wxString m_curProjDir;
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///< Environment variables.
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std::map< wxString, wxString > m_EnvVars;
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};
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#endif // RESOLVER_3D_H
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