systemdirsappend.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * Copyright (C) 2014 KiCad Developers, see AUTHORS.TXT for contributors.
 * @author Maciej Suminski <[email protected]>
 *
 * 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 <wx/stdpaths.h>

#include <common.h>
#include <kiplatform/environment.h>
#include <search_stack.h>
#include <pgm_base.h>
#include <config.h> // to define DEFAULT_INSTALL_PATH
#include <paths.h>

// put your best guesses in here, send the computer on a wild goose chase, its
// got nothing else to do.

void SystemDirsAppend( SEARCH_STACK* aSearchStack )
{
 // No clearing is done here, the most general approach is NOT to assume that
 // our appends will be the only thing in the stack. This function has no
 // knowledge of caller's intentions.

 // wxPathList::AddEnvList() is broken, use SEARCH_STACK::AddPaths().
 // SEARCH_STACK::AddPaths() will verify readability and existence of
 // each directory before adding.
 SEARCH_STACK maybe;

 // User environment variable path is the first search path. Chances are
 // if the user is savvy enough to set an environment variable they know
 // what they are doing. It should take precedence over anything else.
 // Otherwise don't set it.
 maybe.AddPaths( wxGetenv( wxT( "KICAD" ) ) );

#ifdef __WXMAC__
 // Add the directory for the user-dependent, program specific data files.
 maybe.AddPaths( PATHS::GetOSXKicadUserDataDir() );

 // Global machine specific application data
 maybe.AddPaths( PATHS::GetOSXKicadMachineDataDir() );

 // Global application specific data files inside bundle
 maybe.AddPaths( PATHS::GetOSXKicadDataDir() );
#else
 // This is from CMAKE_INSTALL_PREFIX.
 // Useful when KiCad is installed by `make install`.
 // Use as second ranked place.
 maybe.AddPaths( wxT( DEFAULT_INSTALL_PATH ) );

#ifdef __WXGTK__
 // On Linux, the stock EDA library data install path can be redefined via
 // KICAD_LIBRARY_DATA, otherwise KICAD_DATA will be used.
 // Useful when multiple versions of KiCad are installed in parallel.
 maybe.AddPaths( PATHS::GetStockEDALibraryPath() );
#endif

 // Add the directory for the user-dependent, program specific data files.
 // According to wxWidgets documentation:
 // Unix: ~/.appname
 // Windows: C:\Documents and Settings\username\Application Data\appname
 maybe.AddPaths( KIPLATFORM::ENV::GetDocumentsPath() );

 {
 // Should be full path to this program executable.
 wxString bin_dir = Pgm().GetExecutablePath();

#if defined(_WIN32)
 // bin_dir uses unix path separator. So to parse with wxFileName
 // use windows separator, especially important for server inclusion:
 // like: \\myserver\local_path .
 bin_dir.Replace( wxFileName::GetPathSeparator( wxPATH_UNIX ),
 wxFileName::GetPathSeparator( wxPATH_WIN ) );
#endif

 wxFileName bin_fn( bin_dir, wxEmptyString );

 // Dir of the global (not user-specific), application specific, data files.
 // From wx docs:
 // Unix: prefix/share/appname
 // Windows: the directory where the executable file is located
 // Mac: appname.app/Contents/SharedSupport bundle subdirectory
 wxString data_dir = wxStandardPaths::Get().GetDataDir();

 if( bin_fn.GetPath() != data_dir )
 {
 // add data_dir if it is different from the bin_dir
 maybe.AddPaths( data_dir );
 }

 // Up one level relative to binary path with "share" appended below.
 bin_fn.RemoveLastDir();
 maybe.AddPaths( bin_fn.GetPath() );
 }

 /* The normal OS program file install paths allow for a binary to be
 * installed in a different path from the library files. This is
 * useful for development purposes so the library and documentation
 * files do not need to be installed separately. If someone can
 * figure out a way to implement this without #ifdef, please do.
 */
#if defined(_WIN32)
 maybe.AddPaths( wxGetenv( wxT( "PROGRAMFILES" ) ) );
#else
 maybe.AddPaths( wxGetenv( wxT( "PATH" ) ) );
#endif
#endif

#if defined(DEBUG) && 0
 maybe.Show( "maybe wish list" );
#endif

 // Append 1) kicad, 2) kicad/share, 3) share, and 4) share/kicad to each
 // possible base path in 'maybe'. Since SEARCH_STACK::AddPaths() will verify
 // readability and existence of each directory, not all of these will be
 // actually appended.
 for( unsigned i = 0; i < maybe.GetCount(); ++i )
 {
 wxFileName fn( maybe[i], wxEmptyString );

#ifndef __WXMAC__
 if( fn.GetPath().AfterLast( fn.GetPathSeparator() ) == wxT( "bin" ) )
 {
 fn.RemoveLastDir();

 if( !fn.GetDirCount() )
 continue; // at least on linux
 }
#endif

 aSearchStack->AddPaths( fn.GetPath() );

#ifndef __WXMAC__
 fn.AppendDir( wxT( "kicad" ) );
 aSearchStack->AddPaths( fn.GetPath() ); // add maybe[i]/kicad

 fn.AppendDir( wxT( "share" ) );
 aSearchStack->AddPaths( fn.GetPath() ); // add maybe[i]/kicad/share

 fn.RemoveLastDir(); // ../ clear share
 fn.RemoveLastDir(); // ../ clear kicad

 fn.AppendDir( wxT( "share" ) );
 aSearchStack->AddPaths( fn.GetPath() ); // add maybe[i]/share

 fn.AppendDir( wxT( "kicad" ) );
 aSearchStack->AddPaths( fn.GetPath() ); // add maybe[i]/share/kicad
#endif
 }

#if defined(DEBUG) && 0
 // final results:
 aSearchStack->Show( __func__ );
#endif
}