new special tags: channels, samplerate, bitrate

[id3fs.git] / lib / ID3FS / AudioFile.pm

diff --git a/lib/ID3FS/AudioFile.pm b/lib/ID3FS/AudioFile.pm
index 91462ba..e020b43 100644 (file)
--- a/lib/ID3FS/AudioFile.pm
+++ b/lib/ID3FS/AudioFile.pm
@@ -1,35 +1,176 @@
-package ID3FS::File;
+# id3fs - a FUSE-based filesystem for browsing audio metadata
+# Copyright (C) 2010  Ian Beckwith <ianb@erislabs.net>
+#
+# 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/>.
+
+package ID3FS::AudioFile;
 
 use strict;
 use warnings;
-use ID3FS::File::Mp3;
-use ID3FS::File::Ogg;
-use ID3FS::File::Flac;
+use ID3FS::AudioFile::Mp3;
+use ID3FS::AudioFile::Ogg;
+use ID3FS::AudioFile::Flac;
 
-# omg a factory class, I feel vaguely dirty
 sub new
 {
-    my (undef,$path)=@_;
-    my $ext=($path=~/.*\.(.*)/)[0];
+    my $proto=shift;
+    my $class=ref($proto) || $proto;
+    my $self={};
+    bless($self,$class);
+
+    $self->{path}=shift;
+    my $ext=($self->{path}=~/.*\.(.*)/)[0];
     return undef unless($ext);
+    my $me=shift;
     $ext=lc($ext);
     if($ext eq "mp3")
     {
-       return ID3FS::File::Mp3->new($path);
+       $self->{audiofile}=ID3FS::AudioFile::Mp3->new($self->{path});
     }
     elsif($ext eq "ogg")
     {
-       return ID3FS::File::Ogg->new($path);
+       $self->{audiofile}=ID3FS::AudioFile::Ogg->new($self->{path});
     }
     elsif($ext eq "flac")
     {
-       return ID3FS::File::Flac->new($path);
+       $self->{audiofile}=ID3FS::AudioFile::Flac->new($self->{path});
     }
     else
     {
-       print("Unknown extension: $ext\n");
+       print("$me: $self->{path}: Unknown extension: $ext\n");
        return undef;
     }
+    return $self;
+}
+
+sub set
+{
+    my ($self, $thing, $value)=@_;
+    if($value)
+    {
+       $value=$self->sanitise($self->stripslashes($value));
+       $self->{audiofile}->$thing($value);
+    }
+    else
+    {
+       $value=$self->sanitise($self->stripslashes($self->{audiofile}->$thing()));
+    }
+    return $value;
+}
+
+sub artist    { return(shift->set("artist", @_));   }
+sub album     { return(shift->set("album", @_));    }
+sub track     { return(shift->set("track", @_));    }
+sub tracknum  { return(shift->set("tracknum", @_)); }
+sub v1genre   { return(shift->set("v1genre", @_));  }
+sub comment   { return(shift->set("comment", @_));  }
+sub audiotype { return(shift->set("audiotype"));    }
+sub haspic    { return(shift->set("haspic"));       }
+sub path      { return(shift->{path});              }
+
+sub delete_artist   { shift->{audiofile}->delete_artist();   }
+sub delete_album    { shift->{audiofile}->delete_album();    }
+sub delete_track    { shift->{audiofile}->delete_track();    }
+sub delete_tracknum { shift->{audiofile}->delete_tracknum(); }
+sub delete_year     { shift->{audiofile}->delete_year();     }
+sub delete_v1genre  { shift->{audiofile}->delete_v1genre();  }
+sub delete_comment  { shift->{audiofile}->delete_comment();  }
+sub delete_all      { shift->{audiofile}->delete_all();      }
+sub delete_genre    { shift->{audiofile}->delete_genre();    }
+sub delete_tags     { shift->{audiofile}->delete_tags(@_);   }
+sub channels        { shift->{audiofile}->channels();        }
+sub bitrate         { shift->{audiofile}->bitrate();         }
+sub samplerate      { shift->{audiofile}->samplerate(@_);    }
+
+sub year
+{
+    my ($self, $year)=@_;
+    if($year)
+    {
+       $year=$self->format_year($year);
+       $self->{audiofile}->year($year);
+    }
+    else
+    {
+       $year=$self->{audiofile}->year();
+    }
+    return $year;
+}
+
+sub format_year
+{
+    my ($self, $year)=@_;
+    if($year)
+    {
+       $year=$self->sanitise($self->stripslashes($year));
+       if(defined($year) && $year =~/(\d{4})/)
+       {
+           $year=$1;
+       }
+    }
+    return $year;
+}
+
+sub add_tags
+{
+    my($self, $tags)=@_;
+    my @tags=split(/\s*,\s*/, $tags);
+    $self->{audiofile}->add_tags(@tags);
+}
+
+sub tags
+{
+    my $self=shift;
+    my @intags=$self->{audiofile}->tags();
+    my @outtags=();
+    return() unless(@intags);
+    @intags = grep { defined($_); } @intags;
+    # combine then split on commas
+    # so multiple comma-delimited tags will work
+    @intags=split(/\s*,\s*/, join(', ', @intags));
+    for my $tag (@intags)
+    {
+       next unless(length($tag));
+       next unless($tag =~ /\S+/);
+       $tag=$self->sanitise($tag);
+       my ($tagname, $tagval)=($tag, undef);
+       if($tag=~/^([^\/]+)\/(.*)/)
+       {
+           ($tagname, $tagval)=($1, $2);
+       }
+       push(@outtags, [ $tagname, $tagval ]);
+    }
+    return @outtags;
+}
+
+sub write
+{
+    shift->{audiofile}->write();
+}
+
+sub sanitise
+{
+    my ($self, $text)=@_;
+    $text =~ s/[^[:print:]]//g if(defined($text));
+    return $text;
+}
+
+sub stripslashes
+{
+    my ($self, $text)=@_;
+    $text =~ s/\//-/g if(defined($text));
+    return $text;
 }
 
 1;