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https://gitlab.com/kicad/code/kicad.git
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ae879c8f02
Since single-row queries are performed rapid-fire during certain actions like stepping through the symbol browser, there is high value in caching them for a small amount of time. The default cache parameters will keep results for 10 seconds, which errs on the side of getting fresh data from the database on most user interactions.
110 lines
4.2 KiB
C++
110 lines
4.2 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) 2022 Jon Evans <jon@craftyjon.com>
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* Copyright (C) 2022 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 <nlohmann/json.hpp>
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#include <database/database_lib_settings.h>
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#include <settings/parameters.h>
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#include <wildcards_and_files_ext.h>
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const int dblibSchemaVersion = 0;
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DATABASE_LIB_SETTINGS::DATABASE_LIB_SETTINGS( const std::string& aFilename ) :
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JSON_SETTINGS( aFilename, SETTINGS_LOC::NONE, dblibSchemaVersion )
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{
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m_params.emplace_back( new PARAM<std::string>( "source.dsn", &m_Source.dsn, "" ) );
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m_params.emplace_back( new PARAM<std::string>( "source.username", &m_Source.username, "" ) );
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m_params.emplace_back( new PARAM<std::string>( "source.password", &m_Source.password, "" ) );
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m_params.emplace_back(
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new PARAM<std::string>( "source.connection_string", &m_Source.connection_string, "" ) );
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m_params.emplace_back( new PARAM<int>( "source.timeout_seconds", &m_Source.timeout, 2 ) );
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m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>(
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"libraries",
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[&]() -> nlohmann::json
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{
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// TODO: implement this; libraries are read-only from KiCad at the moment
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return {};
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},
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[&]( const nlohmann::json aObj )
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{
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m_Tables.clear();
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if( !aObj.is_array() )
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return;
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for( const nlohmann::json& entry : aObj )
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{
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if( entry.empty() || !entry.is_object() )
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continue;
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DATABASE_LIB_TABLE table;
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table.name = entry["name"].get<std::string>();
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table.table = entry["table"].get<std::string>();
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table.key_col = entry["key"].get<std::string>();
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table.symbols_col = entry["symbols"].get<std::string>();
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table.footprints_col = entry["footprints"].get<std::string>();
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if( entry.contains( "fields" ) && entry["fields"].is_array() )
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{
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for( const nlohmann::json& fieldJson : entry["fields"] )
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{
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if( fieldJson.empty() || !fieldJson.is_object() )
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continue;
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table.fields.emplace_back(
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DATABASE_FIELD_MAPPING(
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{
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fieldJson["column"].get<std::string>(),
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fieldJson["name"].get<std::string>(),
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fieldJson["visible_on_add"].get<bool>(),
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fieldJson["visible_in_chooser"].get<bool>()
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} ) );
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}
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}
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m_Tables.emplace_back( std::move( table ) );
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}
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},
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{} ) );
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m_params.emplace_back( new PARAM<int>( "cache.max_size", &m_Cache.max_size, 256 ) );
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m_params.emplace_back( new PARAM<int>( "cache.max_age", &m_Cache.max_age, 10 ) );
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}
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wxString DATABASE_LIB_SETTINGS::getFileExt() const
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{
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return DatabaseLibraryFileExtension;
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}
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