ocarina/libsaria/library/list.cpp

155 lines
3.2 KiB
C++

#include <stdlib.h>
#include <time.h>
#include <list>
using namespace std;
#include <libsaria/audio.h>
#include <libsaria/prefs.h>
#include <libsaria/print.h>
#include "library.h"
static list<TrackTag *> play_list;
static list<TrackTag *>::iterator cur_track = play_list.end();
static string format(string s)
{
string res;
char c, diff = 'a' - 'A';
/*
* TODO: Break into words based on spaces and format each word
* before joining. Turn numbers into their word form (3 -> three,
* 20 -> twenty)
*/
for (unsigned int i = 0; i < s.size(); i++) {
c = s[i];
if ( (c >= 'a') && (c <= 'z') )
res += c;
else if ( (c >= 'A') && (c <= 'Z') )
res += (c + diff);
if ( (c >= '0') && (c <= '9') )
res += c;
}
return res;
}
static inline bool compare_tracks(TrackTag *one, TrackTag *two)
{
return one->get_track() < two->get_track();
}
static inline bool compare_albums(TrackTag *one, TrackTag *two)
{
string s_one = format(one->get_album());
string s_two = format(two->get_album());
if (s_one < s_two)
return true;
else if (s_one == s_two)
return compare_tracks(one, two);
return false;
}
static bool compare_tracktags(TrackTag *one, TrackTag *two)
{
string s_one = format(one->get_artist());
string s_two = format(two->get_artist());
if (s_one == "")
return false;
if ( (s_one < s_two) || (s_two == "") )
return true;
else if (s_one == s_two)
return compare_albums(one, two);
return false;
}
static bool find_id(ino_t &inode, list<TrackTag *>::iterator &it)
{
for (it = play_list.begin(); it != play_list.end(); it++) {
if ((*it)->get_inode() == inode)
return true;
}
return false;
}
static void insert_list(list<TrackTag> *tag_list)
{
list<TrackTag>::iterator it;
for (it = tag_list->begin(); it != tag_list->end(); it++)
play_list.push_back(&(*it));
}
static void random_next()
{
unsigned int index = rand() % play_list.size();
cur_track = play_list.begin();
for (unsigned int i = 0; i < index; i++)
cur_track++;
}
static void sequential_next()
{
cur_track++;
if (cur_track == play_list.end())
cur_track = play_list.begin();
}
namespace libsaria
{
void library::rebuild_list()
{
list<LibraryPath> *path_list = get_path_list();
list<LibraryPath>::iterator it;
play_list.clear();
for (it = path_list->begin(); it != path_list->end(); it++)
insert_list(it->get_list());
play_list.sort(compare_tracktags);
}
void library::for_each(SourceModel *model)
{
list<TrackTag *>::iterator it;
for (it = play_list.begin(); it != play_list.end(); it++) {
Track track = Track(*it);
model->insert(track);
}
}
void library::play_id(ino_t &id)
{
list<TrackTag *>::iterator it;
if (find_id(id, it)) {
cur_track = it;
libsaria::audio::load((*it)->get_filepath());
}
}
bool library::get_info(ino_t &id, void (*func)(Track &))
{
list<TrackTag *>::iterator it;
if (find_id(id, it)) {
Track tag(*it);
func(tag);
return true;
}
return false;
}
void library::next()
{
if (libsaria::prefs::get_bool("random") == true)
random_next();
else
sequential_next();
libsaria::audio::load((*cur_track)->get_filepath());
}
unsigned int library::size()
{
return play_list.size();
}
}; /* Namespace: libsaria */