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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 2 of the License, or (at your option) any later
* version.
*
* This software 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 "CppUtil.h"
#include "Debug.h"
#include "FileList.h"
#include "File.h"
#include <algorithm>
//_______________________________________________
FileList::FileList( QObject* parent ):
QObject( parent ),
Counter( "FileList" ),
thread_( this )
{
// thread connection
connect( &thread_, SIGNAL(recordsAvailable(const FileRecord::List&,bool)), SLOT(_processRecords(const FileRecord::List&,bool)) );
}
//_______________________________________________
bool FileList::contains( const File& file ) const
{ return std::find_if( records_.begin(), records_.end(), FileRecord::SameFileFTor( file ) ) != records_.end(); }
//_______________________________________________
void FileList::remove( const File& file )
{
Debug::Throw() << "FileList::remove - " << file << endl;
records_.erase(std::remove_if( records_.begin(), records_.end(), FileRecord::SameFileFTor( file ) ), records_.end() );
return;
}
//___________________________________________________
void FileList::set( const FileRecord::List& records )
{
Debug::Throw( "FileList::set.\n" );
records_ = records;
emit contentsChanged();
}
//___________________________________________________
File::List FileList::files() const
{
Debug::Throw( "FileList::files.\n" );
FileRecord::List records( _truncatedList( records_ ) );
File::List out;
for( const auto& record:records )
{ out << record.file(); }
return out;
}
//_______________________________________________
FileRecord FileList::lastValidFile()
{
Debug::Throw( "FileList::lastValidFile.\n" );
// sort list
std::sort( records_.begin(), records_.end(), FileRecord::FirstOpenFTor() );
FileRecord::ListIterator iter( records_ );
iter.toBack();
while( iter.hasPrevious() )
{
const FileRecord& record( iter.previous() );
if( (!check_) || record.isValid() ) return record;
}
return FileRecord( File("") );
}
//_______________________________________________
void FileList::checkValidFiles()
{
Debug::Throw( "FileList::checkValidFiles.\n" );
if( !check() ) return;
if( thread_.isRunning() ) return;
thread_.setRecords( records_ );
thread_.start();
}
//_______________________________________________
void FileList::_processRecords( const FileRecord::List& records, bool hasInvalidRecords)
{
// set file records validity
for( auto& record:records_ )
{
FileRecord::List::const_iterator found = std::find_if( records.begin(), records.end(), FileRecord::SameFileFTor( record.file() ) );
if( found == records.end() ) continue;
record.setValid( found->isValid() );
}
_setCleanEnabled( hasInvalidRecords );
emit validFilesChecked();
}
//___________________________________________________
void FileList::clean()
{
Debug::Throw( "FileList::clean" );
if( !check() )
{
records_.clear();
return;
}
// remove invalid files
records_.erase(
std::remove_if( records_.begin(), records_.end(), FileRecord::InvalidFTor() ),
records_.end() );
return;
}
//___________________________________________________
void FileList::clear()
{
Debug::Throw( "FileList::clear" );
records_.clear();
return;
}
//_______________________________________________
void FileList::setMaxSize( int value )
{
Debug::Throw( "FileList::setMaxSize.\n" );
maxSize_ = value;
return;
}
//_______________________________________________
FileRecord& FileList::_add(
const FileRecord& record,
bool updateTimeStamp,
bool emitSignal )
{
// do not add empty files
Q_ASSERT( !record.file().isEmpty() );
auto iter = std::find_if( records_.begin(), records_.end(), FileRecord::SameFileFTor( record.file() ) );
if( iter != records_.end() )
{
Debug::Throw() << "FileList::_add - updating: " << record.file() << endl;
if( updateTimeStamp && iter->time() != record.time() )
{
iter->setTime( TimeStamp(qMax( iter->time(), record.time() ) ) );
if( emitSignal ) emit contentsChanged();
}
return *iter;
} else {
Debug::Throw() << "FileList::_add - adding: " << record.file() << endl;
records_ << record;
if( emitSignal ) emit contentsChanged();
return records_.back();
}
}
//___________________________________________________________________
FileRecord::List FileList::_truncatedList( FileRecord::List records ) const
{
// shrink list
if( maxSize_ > 0 && int(records.size()) > maxSize_ )
{
std::sort( records.begin(), records.end(), FileRecord::FirstOpenFTor() );
if( check_ )
{
while( int(records.size()) > maxSize_ )
{
auto iter( std::find_if( records.begin(), records.end(), FileRecord::InvalidFTor() ) );
if( iter != records.end() ) records.erase( iter );
else break;
}
}
// remove oldest files
while( int(records.size()) > maxSize_ )
{ records.erase( records.begin() ); }
}
return records;
}
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