128 lines
3.2 KiB
C++
128 lines
3.2 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) 2020 Jon Evans <jon@craftyjon.com>
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* Copyright (C) 2020 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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <wx/log.h>
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#include <settings/nested_settings.h>
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extern const char* traceSettings;
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NESTED_SETTINGS::NESTED_SETTINGS( const std::string& aName, int aVersion, JSON_SETTINGS* aParent,
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const std::string& aPath ) :
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JSON_SETTINGS( aName, SETTINGS_LOC::NESTED, aVersion ),
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m_parent( aParent ), m_path( aPath )
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{
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SetParent( aParent );
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}
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NESTED_SETTINGS::~NESTED_SETTINGS()
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{
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if( m_parent )
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m_parent->ReleaseNestedSettings( this );
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}
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bool NESTED_SETTINGS::LoadFromFile( const std::string& aDirectory )
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{
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clear();
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bool success = false;
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if( m_parent )
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{
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nlohmann::json::json_pointer ptr = PointerFromString( m_path );
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if( m_parent->contains( ptr ) )
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{
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try
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{
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update( ( *m_parent )[ptr] );
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wxLogTrace( traceSettings, "Loaded NESTED_SETTINGS %s with schema %d",
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GetFilename(), m_schemaVersion );
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success = true;
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}
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catch( ... )
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{
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wxLogTrace( traceSettings, "NESTED_SETTINGS %s: Could not load from %s at %s",
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m_filename, m_parent->GetFilename(), m_path );
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}
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}
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}
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Load();
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return success;
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}
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bool NESTED_SETTINGS::SaveToFile( const std::string& aDirectory, bool aForce )
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{
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if( !m_parent )
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return false;
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bool modified = Store();
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try
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{
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nlohmann::json patch =
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nlohmann::json::diff( *this, ( *m_parent )[PointerFromString( m_path )] );
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modified |= !patch.empty();
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}
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catch( ... )
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{
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modified = true;
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}
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if( !modified && !aForce )
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return false;
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try
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{
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( *m_parent )[PointerFromString( m_path ) ].update( *this );
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wxLogTrace( traceSettings, "Stored NESTED_SETTINGS %s with schema %d",
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GetFilename(), m_schemaVersion );
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}
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catch( ... )
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{
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wxLogTrace( traceSettings, "NESTED_SETTINGS %s: Could not store to %s at %s",
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m_filename, m_parent->GetFilename(), m_path );
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}
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return modified;
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}
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void NESTED_SETTINGS::SetParent( JSON_SETTINGS* aParent )
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{
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m_parent = aParent;
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if( m_parent )
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{
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m_parent->AddNestedSettings( this );
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// In case we were created after the parent's ctor
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LoadFromFile();
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}
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}
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