Run-time config for advanced options
This can be used for "advanced" options which are for developers to use for feature-flags and other configuration. Run time config has some advantages over preprocessor defines: * Can be changed without recompilation * Sensitive to XDG_CONFIG_DIR, so flipping configs is easy * Better compiler coverage (less conditionally compiled code means less chance to break a different configuration). Also better analysis coverage. * Type safe config params * Centralised documentation: it's in doxygen, in one place No advanced config should be required by a general users. If a general user does use one of these configs, it's probably because: * There is a bug and one of these configs is a workaround * A config in here is generally useful and should be moved into the relevant application config and given UI. For now, the config is read-only, and is read from the "kicad_advanced" config file in the normal config dir.
This commit is contained in:
John Beard
Wayne Stambaugh
parent
9f21d32563
commit
a33a8292a4
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@ -259,9 +259,20 @@ Some available masks:
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* `KICAD_GEDA_PLUGIN`
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* `KICAD_PCB_PLUGIN`
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# Advanced configuration
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There are some advance configuration options, which are mostly used for
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development or testing purposes.
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To set these options, you can create the file `kicad_advanced` and set the keys
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as desired (the [advanced config documentation][] for a current list. You should
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never need to set these keys for normal usage - if you do, that's a bug.
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[CTest]: https://cmake.org/cmake/help/latest/module/CTest.html
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[Boost Unit Test framework]: https://www.boost.org/doc/libs/1_68_0/libs/test/doc/html/index.html
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[boost-test-functions]: https://www.boost.org/doc/libs/1_68_0/libs/test/doc/html/boost_test/utf_reference/testing_tool_ref.html
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[AFL fuzzing tool]: http://lcamtuf.coredump.cx/afl/
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[trace mask documentation]: http://docs.kicad-pcb.org/doxygen/group__trace__env__vars.html
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[trace mask documentation]: http://docs.kicad-pcb.org/doxygen/group__trace__env__vars.html
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[advanced config documentation]: http://docs.kicad-pcb.org/doxygen/namespaceAC__KEYS.html
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@ -269,6 +269,7 @@ set( COMMON_SRCS
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${COMMON_PAGE_LAYOUT_SRCS}
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${COMMON_PREVIEW_ITEMS_SRCS}
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${PLOTTERS_CONTROL_SRCS}
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advanced_config.cpp
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base_struct.cpp
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bezier_curves.cpp
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bin_mod.cpp
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@ -0,0 +1,161 @@
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/*
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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) 2018 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 <advanced_config.h>
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#include <common.h>
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#include <config_params.h>
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#include <wx/config.h>
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#include <wx/filename.h>
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#include <wx/log.h>
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/*
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* Flag to enable advanced config debugging
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*
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* Use "KICAD_ADVANCED_CONFIG" to enable.
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*
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* @ingroup trace_env_vars
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*/
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static const wxChar AdvancedConfigMask[] = wxT( "KICAD_ADVANCED_CONFIG" );
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/**
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* List of known keys for advanced configuration options.
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*
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* Set these options in the file `kicad_advanced` in the
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* KiCad config directory.
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*/
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namespace AC_KEYS
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{
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} // namespace KEYS
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/*
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* Get a simple string for common parameters.
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*
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* This isn't exhaustive, but it covers most common types that might be
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* used in the advance config
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*/
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wxString dumpParamCfg( const PARAM_CFG_BASE& aParam )
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{
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wxString s = aParam.m_Ident + ": ";
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/*
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* This implementation is rather simplistic, but it is
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* effective enough for simple uses. A better implementation would be
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* some kind of visitor, but that's somewhat more work.
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*/
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switch( aParam.m_Type )
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{
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case paramcfg_id::PARAM_INT:
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case paramcfg_id::PARAM_INT_WITH_SCALE:
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s << *static_cast<const PARAM_CFG_INT&>( aParam ).m_Pt_param;
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break;
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case paramcfg_id::PARAM_DOUBLE:
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s << *static_cast<const PARAM_CFG_DOUBLE&>( aParam ).m_Pt_param;
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break;
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case paramcfg_id::PARAM_WXSTRING:
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s << *static_cast<const PARAM_CFG_WXSTRING&>( aParam ).m_Pt_param;
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break;
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case paramcfg_id::PARAM_FILENAME:
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s << *static_cast<const PARAM_CFG_FILENAME&>( aParam ).m_Pt_param;
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break;
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case paramcfg_id::PARAM_BOOL:
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s << ( *static_cast<const PARAM_CFG_BOOL&>( aParam ).m_Pt_param ? "true" : "false" );
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break;
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default: s << "Unsupported PARAM_CFG variant: " << aParam.m_Type;
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}
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return s;
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}
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/**
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* Dump the configs in the given array to trace.
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*/
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static void dumpCfg( const PARAM_CFG_ARRAY& aArray )
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{
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// only dump if we need to
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if( !wxLog::IsAllowedTraceMask( AdvancedConfigMask ) )
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return;
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for( const auto& param : aArray )
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{
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wxLogTrace( AdvancedConfigMask, dumpParamCfg( param ) );
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}
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}
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/**
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* Get the filename for the advanced config file
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*
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* The user must check the file exists if they care.
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*/
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static wxFileName getAdvancedCfgFilename()
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{
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const static wxString cfg_filename{ "kicad_advanced" };
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return wxFileName( GetKicadConfigPath(), cfg_filename );
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}
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ADVANCED_CFG::ADVANCED_CFG()
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{
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wxLogTrace( AdvancedConfigMask, "Init advanced config" );
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loadFromConfigFile();
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}
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const ADVANCED_CFG& ADVANCED_CFG::GetCfg()
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{
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static ADVANCED_CFG instance;
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return instance;
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}
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void ADVANCED_CFG::loadFromConfigFile()
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{
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const auto k_advanced = getAdvancedCfgFilename();
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if( !k_advanced.FileExists() )
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{
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wxLogTrace( AdvancedConfigMask, "File does not exist %s", k_advanced.GetFullPath() );
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return;
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}
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wxLogTrace( AdvancedConfigMask, "Loading advanced config from: %s", k_advanced.GetFullPath() );
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wxFileConfig file_cfg( "", "", k_advanced.GetFullPath() );
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loadSettings( file_cfg );
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}
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void ADVANCED_CFG::loadSettings( wxConfigBase& aCfg )
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{
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PARAM_CFG_ARRAY configParams;
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// Add configs here
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wxConfigLoadSetups( &aCfg, configParams );
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dumpCfg( configParams );
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}
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@ -0,0 +1,85 @@
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/*
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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) 2018 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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#ifndef ADVANCED_CFG__H
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#define ADVANCED_CFG__H
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class wxConfigBase;
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/**
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* Class containing "advanced" configuration options.
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*
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* Options set here are for developer or advanced users only. If a general user
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* needs to set one of these for normal KiCad use, either:
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* * They are working around some bug that should be fixed, or
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* * The parameter they are setting is of general interest and should be in the
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* main application config, with UI provided.
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*
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* Options in this class are, in general, preferable to #defines, as they
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* allow more flexible configuration by developers, and don't hide code from
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* the compiler on other configurations, which can result in broken builds.
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*
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* Never use advanced configs in an untestable way. If a function depends on
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* advanced config such that you cannot test it without changing the config,
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* "lift" the config to a higher level and make pass it as parameter of the code
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* under test. The tests can pass their own values as needed.
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*
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* This also applies to code that does not depend on "common" - it cannot
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* use this class, so you must pass configuration in as proper parameters.
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*
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* Sometimes you can just use values directly, and sometimes helper functions
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* might be provided to allow extra logic (for example when a advanced config
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* applies only on certain platforms).
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*
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* For more information on what config keys set these parameters in the
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* config files, and why you might want to set them, see #AC_KEYS
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*
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*/
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class ADVANCED_CFG
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{
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public:
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/**
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* Get the singleton instance's config, which is shared by all
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* consumers of advanced config.
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*
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* This configuration is read-only - to set options, users should
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* add the parameters to their config files at ~/.config/kicad/advanced, or the
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* platform equivalent.
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*/
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static const ADVANCED_CFG& GetCfg();
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private:
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ADVANCED_CFG();
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/**
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* Load the config from the normal config file
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*/
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void loadFromConfigFile();
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/*
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* Load config from the given config base
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*/
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void loadSettings( wxConfigBase& aCfg );
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};
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#endif // ADVANCED_CFG__H
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