bool FeRomList::load_romlist( const std::string &path,
const std::string &romlist_name,
const std::string &user_path,
const std::string &stat_path,
FeDisplayInfo &display )
{
m_user_path = user_path;
m_romlist_name = romlist_name;
m_list.clear();
m_filtered_list.clear();
m_availability_checked = false;
m_global_filter_ptr = NULL;
m_global_filtered_out_count = 0;
FeFilter *first_filter = display.get_global_filter();
if ( first_filter )
{
first_filter->init();
if ( !first_filter->test_for_target( FeRomInfo::FileIsAvailable )
&& !first_filter->test_for_target( FeRomInfo::Favourite )
&& !first_filter->test_for_target( FeRomInfo::Tags ) )
{
// If the global filter doesn't care about file availability,
// favourites or tags then we can apply it right up front when we
// load the romlist. We signal this by setting m_global_filter_ptr
m_global_filter_ptr = first_filter;
first_filter = NULL;
}
}
sf::Clock load_timer;
bool retval = FeBaseConfigurable::load_from_file(
path + m_romlist_name + FE_ROMLIST_FILE_EXTENSION, ";" );
//
// Create rom name to romlist entry lookup map
//
std::map < std::string, FeRomInfo * > rom_map;
std::map < std::string, FeRomInfo * >::iterator rm_itr;
for ( FeRomInfoListType::iterator itr = m_list.begin(); itr != m_list.end(); ++itr )
rom_map[ (*itr).get_info( FeRomInfo::Romname ) ] = &(*itr);
//
// Load favourites
//
m_extra_favs.clear();
m_fav_changed=false;
std::string load_name( m_user_path + m_romlist_name + FE_FAVOURITE_FILE_EXTENSION );
std::ifstream myfile( load_name.c_str() );
if ( myfile.is_open() )
{
while ( myfile.good() )
{
size_t pos=0;
std::string line, name;
getline( myfile, line );
token_helper( line, pos, name );
if ( !name.empty() )
{
rm_itr = rom_map.find( name );
if ( rm_itr != rom_map.end() )
(*rm_itr).second->set_info( FeRomInfo::Favourite, "1" );
else
m_extra_favs.insert( name );
}
}
myfile.close();
}
//
// Load tags
//
m_tags.clear();
m_extra_tags.clear();
m_tags_changed=false;
load_name = m_user_path + m_romlist_name + "/";
if ( directory_exists( load_name ) )
{
std::vector<std::string> temp_tags;
get_basename_from_extension( temp_tags, load_name, FE_FAVOURITE_FILE_EXTENSION );
for ( std::vector<std::string>::iterator itr=temp_tags.begin(); itr!=temp_tags.end(); ++itr )
{
if ( (*itr).empty() )
continue;
std::ifstream myfile( std::string(load_name + (*itr) + FE_FAVOURITE_FILE_EXTENSION).c_str() );
if ( !myfile.is_open() )
continue;
std::map<std::string, bool>::iterator itt = m_tags.begin();
itt = m_tags.insert( itt, std::pair<std::string,bool>( (*itr), false ) );
while ( myfile.good() )
{
size_t pos=0;
std::string line, rname;
getline( myfile, line );
token_helper( line, pos, rname );
if ( !rname.empty() )
{
rm_itr = rom_map.find( rname );
if ( rm_itr != rom_map.end() )
(*rm_itr).second->append_tag( (*itt).first.c_str() );
else
m_extra_tags.insert( std::pair<std::string,const char*>(rname, (*itt).first.c_str() ) );
}
}
myfile.close();
}
}
// Apply global filter if it hasn't been applied already
if ( first_filter )
{
if ( first_filter->test_for_target( FeRomInfo::FileIsAvailable ) )
get_file_availability();
FeRomInfoListType::iterator last_it=m_list.begin();
for ( FeRomInfoListType::iterator it=m_list.begin(); it!=m_list.end(); )
{
if ( first_filter->apply_filter( *it ) )
{
if ( last_it != it )
it = m_list.erase( last_it, it );
else
++it;
last_it = it;
}
else
{
//
// This rom is being filtered out and we may need to keep track of a few things
//
// 1. Track if this is a favourite...
//
if ( !(*it).get_info( FeRomInfo::Favourite ).empty() )
m_extra_favs.insert( (*it).get_info( FeRomInfo::Romname ) );
//
// 2. Track if this rom has tags we'll need to keep
//
if ( !(*it).get_info( FeRomInfo::Tags ).empty() )
{
const std::string &name = (*it).get_info( FeRomInfo::Romname );
const std::string &tags = (*it).get_info( FeRomInfo::Tags );
const char sep[] = { FE_TAGS_SEP, 0 };
size_t pos=0;
while ( pos < tags.size() )
{
std::string one_tag;
token_helper( tags, pos, one_tag, sep );
std::map<std::string, bool>::iterator itt = m_tags.find( one_tag );
if ( itt != m_tags.end() )
m_extra_tags.insert( std::pair<std::string,const char *>( name, (*itt).first.c_str() ) );
}
}
m_global_filtered_out_count++;
++it;
}
}
if ( last_it != m_list.end() )
m_list.erase( last_it, m_list.end() );
}
std::cout << " - Loaded master romlist '" << m_romlist_name
<< "' in " << load_timer.getElapsedTime().asMilliseconds()
<< " ms (" << m_list.size() << " entries kept, " << m_global_filtered_out_count
<< " discarded)" << std::endl;
load_timer.restart();
//
// Apply filters
//
int filters_count = display.get_filter_count();
//
// If the display doesn't have any filters configured, we create a single "filter" in the romlist object
// with every romlist entry in it
//
if ( filters_count == 0 )
filters_count = 1;
m_filtered_list.reserve( filters_count );
for ( int i=0; i<filters_count; i++ )
{
m_filtered_list.push_back( std::vector< FeRomInfo *>() );
FeFilter *f = display.get_filter( i );
if ( f )
{
if ( f->get_size() > 0 ) // if this is non zero then we've loaded before and know how many to expect
m_filtered_list[i].reserve( f->get_size() );
if ( f->test_for_target( FeRomInfo::FileIsAvailable ) )
get_file_availability();
f->init();
for ( FeRomInfoListType::iterator itr=m_list.begin(); itr!=m_list.end(); ++itr )
if ( f->apply_filter( *itr ) )
m_filtered_list[i].push_back( &( *itr ) );
}
else // no filter situation, so we just add the entire list...
{
m_filtered_list[i].reserve( m_list.size() );
for ( FeRomInfoListType::iterator itr=m_list.begin(); itr!=m_list.end(); ++itr )
m_filtered_list[i].push_back( &( *itr ) );
}
//
// make sure stats are loaded for the roms we will be showing
//
if ( !stat_path.empty() )
{
for ( std::vector< FeRomInfo * >::iterator itf=m_filtered_list[i].begin();
itf!=m_filtered_list[i].end();
++itf )
(*itf)->load_stats( stat_path ); // this will just return if stats are already loaded for the rom
}
if ( f )
{
// track the size of the filtered list in our filter info object
f->set_size( m_filtered_list[i].size() );
//
// Sort and/or prune now if configured for this filter
//
FeRomInfo::Index sort_by=f->get_sort_by();
bool rev = f->get_reverse_order();
int list_limit = f->get_list_limit();
if ( sort_by != FeRomInfo::LAST_INDEX )
{
std::stable_sort( m_filtered_list[i].begin(),
m_filtered_list[i].end(),
FeRomListSorter2( sort_by, rev ) );
}
else if ( rev != false )
std::reverse( m_filtered_list[i].begin(), m_filtered_list[i].end() );
if (( list_limit != 0 ) && ( (int)m_filtered_list[i].size() > abs( list_limit ) ))
{
if ( list_limit > 0 )
m_filtered_list[i].erase( m_filtered_list[i].begin() + list_limit, m_filtered_list[i].end() );
else
m_filtered_list[i].erase( m_filtered_list[i].begin(), m_filtered_list[i].end() + list_limit );
}
}
}
std::cout << " - Constructed " << filters_count << " filters in "
<< load_timer.getElapsedTime().asMilliseconds()
<< " ms (" << filters_count * m_list.size() << " comparisons)" << std::endl;
return retval;
}
