bool Sequence::initFromPattern( const std::string& pattern, const std::vector<FrameRange>& frameRanges, const EPattern accept )
{
if( !retrieveInfosFromPattern( pattern, accept, _prefix, _suffix, _padding, _strictPadding ) )
return false; // not regognize as a pattern, maybe a still file
_ranges.clear();
_ranges = frameRanges;
return true;
}
bool Sequence::init( const std::string& pattern, const Time firstTime, const Time lastTime, const Time step, const EPattern accept )
{
if( !retrieveInfosFromPattern( pattern, accept, _prefix, _suffix, _padding, _strictPadding ) )
return false; // not regognize as a pattern, maybe a still file
_firstTime = firstTime;
_lastTime = lastTime;
_step = step;
_nbFiles = 0;
//std::cout << "init => " << _firstTime << " > " << _lastTime << " : " << _nbFiles << std::endl;
return true;
}
bool Sequence::initFromDetection( const std::string& pattern, const EPattern accept )
{
clear();
setDirectoryFromPath( pattern );
if( !retrieveInfosFromPattern( boost::filesystem::path( pattern ).filename().string(), accept, _prefix, _suffix, _padding, _strictPadding ) )
return false; // not recognized as a pattern, maybe a still file
if( !boost::filesystem::exists( _directory ) )
return true; // an empty sequence
std::vector<std::string> allTimesStr;
std::vector<Time> allTimes;
bfs::directory_iterator itEnd;
for( bfs::directory_iterator iter( _directory ); iter != itEnd; ++iter )
{
// we don't make this check, which can take long time on big sequences (>1000 files)
// depending on your filesystem, we may need to do a stat() for each file
// if( bfs::is_directory( iter->status() ) )
// continue; // skip directories
Time time;
std::string timeStr;
// if the file is inside the sequence
if( isIn( iter->path().filename().string(), time, timeStr ) )
{
// create a big vector of all times in our sequence
allTimesStr.push_back( timeStr );
allTimes.push_back( time );
}
}
if( allTimes.size() < 2 )
{
if( allTimes.size() == 1 )
{
_firstTime = _lastTime = allTimes.front();
}
//std::cout << "empty => " << _firstTime << " > " << _lastTime << " : " << _nbFiles << std::endl;
return true; // an empty sequence
}
std::sort( allTimes.begin(), allTimes.end() );
extractStep( allTimes );
extractPadding( allTimesStr );
extractIsStrictPadding( allTimesStr, _padding );
_firstTime = allTimes.front();
_lastTime = allTimes.back();
_nbFiles = allTimes.size();
//std::cout << _firstTime << " > " << _lastTime << " : " << _nbFiles << std::endl;
return true; // a real file sequence
}