Class: MTP::FileSystem

Inherits:
FuseFS::FuseDir
  • Object
show all
Defined in:
lib/mtp/fuse.rb

Defined Under Namespace

Classes: Albums, Artists, Genres, Playlists

Constant Summary collapse

@@logger = 
Logger.new(STDERR)
@@roots = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(device) ⇒ FileSystem

Returns a new instance of FileSystem.



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# File 'lib/mtp/fuse.rb', line 25

def initialize(device)
  @device = device
  @device.objects
end

Class Method Details

.logger ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 12

def self.logger
  @@logger
end

.register_root(name, klass) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 21

def self.register_root(name, klass)
  @@roots[name] = klass
end

Instance Method Details

#can_delete?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 107

def can_delete?(path)
  dispatch(:can_delete?, path) do |path|
    true
  end
end

#can_mkdir?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 119

def can_mkdir?(path)
  dispatch(:can_mkdir?, path) do |path|
    false
  end
end

#can_rmdir?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 131

def can_rmdir?(path)
  dispatch(:can_rmdir?, path) do |path|
    false
  end
end

#can_write?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 87

def can_write?(path)
  dispatch(:can_write?, path) do |path|
    @device[path.last].nil?
  end
end

#contents(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 73

def contents(path)
  logger.debug("#{path}: contents")
  dispatch(:contents, path) do |path|
    @@roots.keys
  end
end

#delete(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 113

def delete(path)
  dispatch(:delete, path) do |path|
    @device.delete(@device[path.last])
  end
end

#directory?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 47

def directory?(path)
  logger.debug("#{path}: directory?")
  dispatch(:directory?, path) do |path|
    @@roots.keys.include?(path)
  end
end

#dispatch(method, *args, &block) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 30

def dispatch(method, *args, &block)
  ps = scan_path(args.shift)
  
  if ps.empty?
    yield ps, *args
  else
    type = ps.shift
    klass = @@roots[type]
    handler = (klass.nil? ? nil : klass.new(@device))
    if !handler.nil? and handler.respond_to?(method)
      handler.send(method, ps, *args)
    else
      yield ps.unshift(type), *args
    end
  end
end

#executable?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 61

def executable?(path)
  logger.debug("#{path}: executable?")
  false
end

#file?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mtp/fuse.rb', line 54

def file?(path)
  logger.debug("#{path}: file?")
  dispatch(:file?, path) do |path|
    false
  end
end

#logger ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 16

def logger
  @@logger
end

#mkdir(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 125

def mkdir(path)
  dispatch(:mkdir, path) do |path|
    false
  end
end

#read_file(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 80

def read_file(path)
  dispatch(:read_file, path) do |path|
    track = @device[path.last]
    @device.get(track)
  end
end

#rmdir(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 137

def rmdir(path)
  dispatch(:rmdir, path) do |path|
  end
end

#size(path) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 66

def size(path)
  logger.debug("#{path}: size")
  dispatch(:size, path) do |path|
    0
  end
end

#write_to(path, str) ⇒ Object 



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# File 'lib/mtp/fuse.rb', line 93

def write_to(path, str)
  dispatch(:write_to, path, str) do |path, str|
    track = MTP::MP3Track.new
    track.filename = path.last
    track.compressed_size = str.length
    track.data = MTP::Data.new(str)
    @device.send(track)
    StringIO.open(str, 'r') do |io|
      info = Mp3Info.new(io)
      track.set_properties_from_mp3info(info)
    end
  end
end