Class: Spfy

Inherits:
Object
  • Object
show all
Defined in:
lib/spfy.rb

Class Method Summary collapse

Class Method Details

.generate ⇒ Object 



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# File 'lib/spfy.rb', line 32

def self.generate
	#
	# Read command-line arguments
	#
	begin
	
		# short usage banner
		simple_usage = "Use `#{File.basename($0)} --help` for available options."
	
		# test for zero arguments
		if ARGV.empty? then
			puts simple_usage
			exit
		end
		
		# parse command-line arguments
		options = OptionReader.parse(ARGV)
		
		# test for zero source paths
		if $dirs.empty?
			puts "No source path specified."
			puts simple_usage
			exit
		end
		
	rescue OptionParser::InvalidOption => t
		puts t
		puts simple_usage
		exit
	rescue OptionParser::MissingArgument => m
		puts m
		puts simple_usage
		exit
	end
	
	#
	# Process valid paths
	#
	begin
		if options.output.any?
			
			# test whether there is an option for data to output
			if options.hide_title and options.hide_artist and options.hide_album
				
				# all data has been suppressed, report to user
				puts "All tags suppressed, no XML file created."
				exit
			end
		
			xmlFile = File.open(options.output[0], "w")
			
			print "Generating XML.."
			
			xmlFile.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
			xmlFile.write("<playlist version=\"1\" xmlns=\"http:#xspf.org/ns/0/\">\n")
			xmlFile.write("\t<trackList>\n")
			
			Dir.foreach($dirs[0]).sort.each do |file|
				next if file == '.' or file == '..' or
				next if file.start_with? '.'
				
				begin
					TagLib::FileRef.open($dirs[0] + "/" + file) do |fileref|
	
						tag = fileref.tag
						
						# skip files with no tags
						next if tag.title.empty? and tag.artist.empty? and tag.album.empty?
						
						xmlFile.write("\t\t<track>\n")
						#xmlFile.write("\t\t\t<location>http:##{host}#{musicDir}/#{file}</location>\n")
						xmlFile.write("\t\t\t<title>#{tag.title}</title>\n") if !options.hide_title and !tag.title.empty?
						xmlFile.write("\t\t\t<creator>#{tag.artist}</creator>\n") if !options.hide_artist and !tag.artist.empty?
						xmlFile.write("\t\t\t<album>#{tag.album}</album>\n") if !options.hide_album and !tag.album.empty?
						xmlFile.write("\t\t</track>\n")
						
					end
				rescue Exception => e
					next
				end
			end
			
			xmlFile.write("\t</trackList>\n")
			xmlFile.write("</playlist>\n")
			xmlFile.close
			
			print " success\n"
		else		
			puts "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
			puts "<playlist version=\"1\" xmlns=\"http:#xspf.org/ns/0/\">\n"
			puts "\t<trackList>\n"
			
			Dir.foreach($dirs[0]).sort.each do |file|
				next if file == '.' or file == '..' or
				next if file.start_with? '.'
				
				begin
					TagLib::FileRef.open($dirs[0] + "/" + file) do |fileref|
					
						tag = fileref.tag
	
						# skip files with no tags
						next if tag.title.empty? and tag.artist.empty? and tag.album.empty?
	
						puts "\t\t<track>\n"
						#xmlFile.write("\t\t\t<location>http:##{host}#{musicDir}/#{file}</location>\n")
						puts "\t\t\t<title>#{tag.title}</title>\n"
						puts "\t\t\t<creator>#{tag.artist}</creator>\n"
						puts "\t\t\t<album>#{tag.album}</album>\n"
						puts "\t\t</track>\n"
						
					end
				rescue Exception => e
					next
				end
			end
			
			puts "\t</trackList>\n"
			puts "</playlist>\n"
		end
		
	rescue SystemExit, Interrupt
		abort("Cancelled, exiting..")
	rescue Exception => e	
		abort("Exiting.. (#{e})")
	end

end