134 lines
4.0 KiB
C++
134 lines
4.0 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 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2014 KiCad Developers, see CHANGELOG.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 <string.h>
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#include <kiway.h>
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#include <config.h>
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#include <wx/debug.h>
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#include <wx/stdpaths.h>
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KIWAY::KIWAY()
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{
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memset( &m_kiface, 0, sizeof( m_kiface ) );
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}
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const wxString KIWAY::dso_full_path( FACE_T aFaceId )
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{
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const wxChar* name = wxT("");
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switch( aFaceId )
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{
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case FACE_SCH: name = KIFACE_PREFIX wxT( "eeschema" ); break;
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case FACE_PCB: name = KIFACE_PREFIX wxT( "pcbnew" ); break;
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default:
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFaceId" ) );
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return wxEmptyString;
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}
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wxFileName fn = wxStandardPaths::Get().GetExecutablePath();
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fn.SetName( name );
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// Here a "suffix" == an extension with a preceding '.',
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// so skip the preceding '.' to get an extension
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fn.SetExt( KIFACE_SUFFIX + 1 ); // + 1 => &KIFACE_SUFFIX[1]
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return fn.GetFullPath();
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}
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PROJECT& KIWAY::Prj() const
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{
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return *(PROJECT*) &m_project; // strip const-ness, function really is const.
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}
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KIFACE* KIWAY::KiFACE( PGM_BASE* aProgram, FACE_T aFaceId, bool doLoad )
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{
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switch( aFaceId )
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{
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// case FACE_SCH:
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case FACE_PCB:
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if( m_kiface[aFaceId] )
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return m_kiface[aFaceId];
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break;
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default:
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFaceId" ) );
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return NULL;
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}
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// DSO with KIFACE has not been loaded yet, does user want to load it?
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if( doLoad )
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{
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wxString dname = dso_full_path( aFaceId );
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wxDynamicLibrary dso;
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void* addr = NULL;
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if( !dso.Load( dname, wxDL_VERBATIM | wxDL_NOW ) )
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{
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// Failure: error reporting UI was done via wxLogSysError().
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// No further reporting required here.
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}
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else if( ( addr = dso.GetSymbol( wxT( KIFACE_INSTANCE_NAME_AND_VERSION ) ) ) == NULL )
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{
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// Failure: error reporting UI was done via wxLogSysError().
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// No further reporting required here.
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}
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else
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{
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KIFACE_GETTER_FUNC* getter = (KIFACE_GETTER_FUNC*) addr;
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KIFACE* kiface = getter( &m_kiface_version[aFaceId], KIFACE_VERSION, aProgram );
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// KIFACE_GETTER_FUNC function comment (API) says the non-NULL is unconditional.
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wxASSERT_MSG( kiface,
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wxT( "attempted DSO has a bug, failed to return a KIFACE*" ) );
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// Give the DSO a single chance to do its "process level" initialization.
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// "Process level" specifically means stay away from any projects in there.
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if( kiface->OnKifaceStart( aProgram, KFCTL_PROJECT_SUITE ) )
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{
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// Tell dso's wxDynamicLibrary destructor not to Unload() the program image.
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(void) dso.Detach();
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return m_kiface[aFaceId] = kiface;
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}
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}
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// In any of the failure cases above, dso.Unload() should be called here
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// by dso destructor.
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}
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return NULL;
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}
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