kicad/pcbnew/footprint_info_impl.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 1992-2018 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef FOOTPRINT_INFO_IMPL_H
#define FOOTPRINT_INFO_IMPL_H
#include <atomic>
#include <functional>
#include <memory>
#include <thread>
#include <vector>
#include <footprint_info.h>
#include <sync_queue.h>
class LOCALE_IO;
class FOOTPRINT_INFO_IMPL : public FOOTPRINT_INFO
{
public:
FOOTPRINT_INFO_IMPL( FOOTPRINT_LIST* aOwner, const wxString& aNickname,
const wxString& aFootprintName )
{
m_nickname = aNickname;
m_fpname = aFootprintName;
m_num = 0;
m_pad_count = 0;
m_unique_pad_count = 0;
m_owner = aOwner;
m_loaded = false;
load();
}
// A constructor for cached items
FOOTPRINT_INFO_IMPL( const wxString& aNickname, const wxString& aFootprintName,
const wxString& aDescription, const wxString& aKeywords,
int aOrderNum, unsigned int aPadCount, unsigned int aUniquePadCount )
{
m_nickname = aNickname;
m_fpname = aFootprintName;
m_num = aOrderNum;
m_pad_count = aPadCount;
m_unique_pad_count = aUniquePadCount;
m_doc = aDescription;
m_keywords = aKeywords;
m_owner = nullptr;
m_loaded = true;
}
// A dummy constructor for use as a target in a binary search
FOOTPRINT_INFO_IMPL( const wxString& aNickname, const wxString& aFootprintName )
{
m_nickname = aNickname;
m_fpname = aFootprintName;
m_owner = nullptr;
m_loaded = true;
}
protected:
virtual void load() override;
};
class FOOTPRINT_LIST_IMPL : public FOOTPRINT_LIST
{
FOOTPRINT_ASYNC_LOADER* m_loader;
std::vector<std::thread> m_threads;
SYNC_QUEUE<wxString> m_queue_in;
SYNC_QUEUE<wxString> m_queue_out;
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std::atomic_size_t m_count_finished;
long long m_list_timestamp;
PROGRESS_REPORTER* m_progress_reporter;
std::atomic_bool m_cancelled;
std::mutex m_join;
/**
* Call aFunc, pushing any IO_ERRORs and std::exceptions it throws onto m_errors.
*
* @return true if no error occurred.
*/
bool CatchErrors( const std::function<void()>& aFunc );
protected:
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void startWorkers( FP_LIB_TABLE* aTable, wxString const* aNickname,
FOOTPRINT_ASYNC_LOADER* aLoader, unsigned aNThreads ) override;
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bool joinWorkers() override;
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void stopWorkers() override;
/**
* Function loader_job
* loads footprints from m_queue_in.
*/
void loader_job();
public:
FOOTPRINT_LIST_IMPL();
virtual ~FOOTPRINT_LIST_IMPL();
void WriteCacheToFile( const wxString& aFilePath ) override;
void ReadCacheFromFile( const wxString& aFilePath ) override;
bool ReadFootprintFiles( FP_LIB_TABLE* aTable, const wxString* aNickname = nullptr,
PROGRESS_REPORTER* aProgressReporter = nullptr ) override;
};
extern FOOTPRINT_LIST_IMPL GFootprintList; // KIFACE scope.
#endif // FOOTPRINT_INFO_IMPL_H