kicad/pcbnew/footprint_info_impl.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011 Jean-Pierre Charras, <jp.charras@wanadoo.fr>
* Copyright (C) 2013-2016 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 1992-2022 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/>.
*/
#include <footprint_info_impl.h>
#include <dialogs/html_message_box.h>
#include <footprint.h>
#include <footprint_info.h>
#include <fp_lib_table.h>
#include <kiway.h>
#include <locale_io.h>
#include <lib_id.h>
#include <progress_reporter.h>
#include <string_utils.h>
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#include <core/thread_pool.h>
#include <wildcards_and_files_ext.h>
#include <kiplatform/io.h>
#include <wx/textfile.h>
#include <wx/txtstrm.h>
#include <wx/wfstream.h>
void FOOTPRINT_INFO_IMPL::load()
{
FP_LIB_TABLE* fptable = m_owner->GetTable();
wxASSERT( fptable );
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const FOOTPRINT* footprint = fptable->GetEnumeratedFootprint( m_nickname, m_fpname );
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if( footprint == nullptr ) // Should happen only with malformed/broken libraries
{
m_pad_count = 0;
m_unique_pad_count = 0;
}
else
{
m_pad_count = footprint->GetPadCount( DO_NOT_INCLUDE_NPTH );
m_unique_pad_count = footprint->GetUniquePadCount( DO_NOT_INCLUDE_NPTH );
m_keywords = footprint->GetKeywords();
m_doc = footprint->GetLibDescription();
}
m_loaded = true;
}
bool FOOTPRINT_LIST_IMPL::CatchErrors( const std::function<void()>& aFunc )
{
try
{
aFunc();
}
catch( const IO_ERROR& ioe )
{
m_errors.move_push( std::make_unique<IO_ERROR>( ioe ) );
return false;
}
catch( const std::exception& se )
{
// This is a round about way to do this, but who knows what THROW_IO_ERROR()
// may be tricked out to do someday, keep it in the game.
try
{
THROW_IO_ERROR( se.what() );
}
catch( const IO_ERROR& ioe )
{
m_errors.move_push( std::make_unique<IO_ERROR>( ioe ) );
}
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return false;
}
return true;
}
bool FOOTPRINT_LIST_IMPL::ReadFootprintFiles( FP_LIB_TABLE* aTable, const wxString* aNickname,
PROGRESS_REPORTER* aProgressReporter )
{
long long int generatedTimestamp = 0;
if( !CatchErrors( [&]()
{
generatedTimestamp = aTable->GenerateTimestamp( aNickname );
} ) )
{
return false;
}
if( generatedTimestamp == m_list_timestamp )
return true;
// Disable KIID generation: not needed for library parts; sometimes very slow
KIID_NIL_SET_RESET reset_kiid;
m_progress_reporter = aProgressReporter;
if( m_progress_reporter )
{
m_progress_reporter->SetMaxProgress( m_queue_in.size() );
m_progress_reporter->Report( _( "Fetching footprint libraries..." ) );
}
m_cancelled = false;
m_lib_table = aTable;
// Clear data before reading files
m_errors.clear();
m_list.clear();
m_queue_in.clear();
m_queue_out.clear();
if( aNickname )
{
m_queue_in.push( *aNickname );
}
else
{
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for( const wxString& nickname : aTable->GetLogicalLibs() )
m_queue_in.push( nickname );
}
loadLibs();
if( !m_cancelled )
{
if( m_progress_reporter )
{
m_progress_reporter->SetMaxProgress( m_queue_out.size() );
m_progress_reporter->AdvancePhase();
m_progress_reporter->Report( _( "Loading footprints..." ) );
}
loadFootprints();
if( m_progress_reporter )
m_progress_reporter->AdvancePhase();
}
if( m_cancelled )
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m_list_timestamp = 0; // God knows what we got before we were canceled
else
m_list_timestamp = generatedTimestamp;
return m_errors.empty();
}
void FOOTPRINT_LIST_IMPL::loadLibs()
{
thread_pool& tp = GetKiCadThreadPool();
size_t num_returns = m_queue_in.size();
std::vector<std::future<size_t>> returns( num_returns );
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auto loader_job =
[this]() -> size_t
{
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wxString nickname;
size_t retval = 0;
if( !m_cancelled && m_queue_in.pop( nickname ) )
{
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if( CatchErrors( [this, &nickname]()
{
m_lib_table->PrefetchLib( nickname );
m_queue_out.push( nickname );
} ) && m_progress_reporter )
{
m_progress_reporter->AdvanceProgress();
}
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++retval;
}
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return retval;
};
for( size_t ii = 0; ii < num_returns; ++ii )
returns[ii] = tp.submit( loader_job );
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for( const std::future<size_t>& ret : returns )
{
std::future_status status = ret.wait_for( std::chrono::milliseconds( 250 ) );
while( status != std::future_status::ready )
{
if( m_progress_reporter && !m_progress_reporter->KeepRefreshing() )
m_cancelled = true;
status = ret.wait_for( std::chrono::milliseconds( 250 ) );
}
}
}
void FOOTPRINT_LIST_IMPL::loadFootprints()
{
LOCALE_IO toggle_locale;
// Parse the footprints in parallel. WARNING! This requires changing the locale, which is
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// GLOBAL. It is only thread safe to construct the LOCALE_IO before the threads are created,
// destroy it after they finish, and block the main (GUI) thread while they work. Any deviation
// from this will cause nasal demons.
//
// TODO: blast LOCALE_IO into the sun
SYNC_QUEUE<std::unique_ptr<FOOTPRINT_INFO>> queue_parsed;
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thread_pool& tp = GetKiCadThreadPool();
size_t num_elements = m_queue_out.size();
std::vector<std::future<size_t>> returns( num_elements );
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auto fp_thread =
[ this, &queue_parsed ]() -> size_t
{
wxString nickname;
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if( m_cancelled || !m_queue_out.pop( nickname ) )
return 0;
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wxArrayString fpnames;
CatchErrors(
[&]()
{
m_lib_table->FootprintEnumerate( fpnames, nickname, false );
} );
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for( wxString fpname : fpnames )
{
CatchErrors(
[&]()
{
auto* fpinfo = new FOOTPRINT_INFO_IMPL( this, nickname, fpname );
queue_parsed.move_push( std::unique_ptr<FOOTPRINT_INFO>( fpinfo ) );
} );
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if( m_cancelled )
return 0;
}
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if( m_progress_reporter )
m_progress_reporter->AdvanceProgress();
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return 1;
};
for( size_t ii = 0; ii < num_elements; ++ii )
returns[ii] = tp.submit( fp_thread );
for( const std::future<size_t>& ret : returns )
{
std::future_status status = ret.wait_for( std::chrono::milliseconds( 250 ) );
while( status != std::future_status::ready )
{
if( m_progress_reporter )
m_progress_reporter->KeepRefreshing();
status = ret.wait_for( std::chrono::milliseconds( 250 ) );
}
}
std::unique_ptr<FOOTPRINT_INFO> fpi;
while( queue_parsed.pop( fpi ) )
m_list.push_back( std::move( fpi ) );
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std::sort( m_list.begin(), m_list.end(),
[]( std::unique_ptr<FOOTPRINT_INFO> const& lhs,
std::unique_ptr<FOOTPRINT_INFO> const& rhs ) -> bool
{
return *lhs < *rhs;
} );
}
FOOTPRINT_LIST_IMPL::FOOTPRINT_LIST_IMPL() :
m_list_timestamp( 0 ),
m_progress_reporter( nullptr ),
m_cancelled( false )
{
}
void FOOTPRINT_LIST_IMPL::WriteCacheToFile( const wxString& aFilePath )
{
wxFileName tmpFileName = wxFileName::CreateTempFileName( aFilePath );
wxFFileOutputStream outStream( tmpFileName.GetFullPath() );
wxTextOutputStream txtStream( outStream );
if( !outStream.IsOk() )
{
return;
}
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txtStream << wxString::Format( wxT( "%lld" ), m_list_timestamp ) << endl;
for( std::unique_ptr<FOOTPRINT_INFO>& fpinfo : m_list )
{
txtStream << fpinfo->GetLibNickname() << endl;
txtStream << fpinfo->GetName() << endl;
txtStream << EscapeString( fpinfo->GetDescription(), CTX_LINE ) << endl;
txtStream << EscapeString( fpinfo->GetKeywords(), CTX_LINE ) << endl;
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txtStream << wxString::Format( wxT( "%d" ), fpinfo->GetOrderNum() ) << endl;
txtStream << wxString::Format( wxT( "%u" ), fpinfo->GetPadCount() ) << endl;
txtStream << wxString::Format( wxT( "%u" ), fpinfo->GetUniquePadCount() ) << endl;
}
txtStream.Flush();
outStream.Close();
// Preserve the permissions of the current file
KIPLATFORM::IO::DuplicatePermissions( aFilePath, tmpFileName.GetFullPath() );
if( !wxRenameFile( tmpFileName.GetFullPath(), aFilePath, true ) )
{
// cleanup in case rename failed
// its also not the end of the world since this is just a cache file
wxRemoveFile( tmpFileName.GetFullPath() );
}
}
void FOOTPRINT_LIST_IMPL::ReadCacheFromFile( const wxString& aFilePath )
{
wxTextFile cacheFile( aFilePath );
m_list_timestamp = 0;
m_list.clear();
try
{
if( cacheFile.Exists() && cacheFile.Open() )
{
cacheFile.GetFirstLine().ToLongLong( &m_list_timestamp );
while( cacheFile.GetCurrentLine() + 6 < cacheFile.GetLineCount() )
{
wxString libNickname = cacheFile.GetNextLine();
wxString name = cacheFile.GetNextLine();
wxString desc = UnescapeString( cacheFile.GetNextLine() );
wxString keywords = UnescapeString( cacheFile.GetNextLine() );
int orderNum = wxAtoi( cacheFile.GetNextLine() );
unsigned int padCount = (unsigned) wxAtoi( cacheFile.GetNextLine() );
unsigned int uniquePadCount = (unsigned) wxAtoi( cacheFile.GetNextLine() );
FOOTPRINT_INFO_IMPL* fpinfo = new FOOTPRINT_INFO_IMPL( libNickname, name, desc,
keywords, orderNum,
padCount, uniquePadCount );
m_list.emplace_back( std::unique_ptr<FOOTPRINT_INFO>( fpinfo ) );
}
}
}
catch( ... )
{
// whatever went wrong, invalidate the cache
m_list_timestamp = 0;
}
// Sanity check: an empty list is very unlikely to be correct.
if( m_list.size() == 0 )
m_list_timestamp = 0;
if( cacheFile.IsOpened() )
cacheFile.Close();
}