Class: DarkLyrics

Inherits:
Lyrics show all
Defined in:
lib/lyrics/lyrics_DarkLyrics.rb

Instance Attribute Summary

Attributes inherited from Lyrics

#cleanup_lyrics

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Lyrics

#build_google_feeling_lucky_url, #build_song_add_url, #decrease_tabulation_level, #fetch_lyrics_page, #fetch_suggestions_page, #increase_tabulation_level, #initialize, #known_url?, known_url?, #log, #log?, #logger=, #lyrics_direct_search, #lyrics_from_suggestions, #lyrics_from_url, #lyrics_full_search, #lyrics_test_data, #notify, #site_host, #site_name, #suggestions, #suggestions_test_data, suggestions_test_data, #verbose_log?

Constructor Details

This class inherits a constructor from Lyrics

Class Method Details

.build_google_feeling_lucky_url(artist, title = nil) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 48

def DarkLyrics.build_google_feeling_lucky_url( artist, title=nil )
	query = Strings.google_search_quote( artist )
	query << " " << Strings.google_search_quote( title ) if title
	query << " lyrics"
	return Strings.build_google_feeling_lucky_url( query, title ? "#{site_host()}/lyrics" : site_host() )
end

.build_song_add_url(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 44

def DarkLyrics.build_song_add_url( request )
	return "http://#{site_host()}/submit.html"
end

.lyrics_test_data ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 35

def DarkLyrics.lyrics_test_data()
	return [
		Request.new( "Opeth", "Hope Leaves", "Damnation" ),
		Request.new( "Megadeth", "À tout le monde", "Youthanasia" ),
		Request.new( "Metallica", "Master of Puppets", "Master of Puppets" ),
		Request.new( "Lacuna Coil", "Heaven's a Lie", "Comalies" ),
	]
end

.site_host ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 27

def DarkLyrics.site_host()
	return "www.darklyrics.com"
end

.site_name ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 31

def DarkLyrics.site_name()
	return "Dark Lyrics"
end

Instance Method Details

#build_lyrics_fetch_data(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 55

def build_lyrics_fetch_data( request )
	return FetchPageData.new( build_google_feeling_lucky_url( request.artist, request.title ) )
end

#build_suggestions_fetch_data(request) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 96

def build_suggestions_fetch_data( request )
	return FetchPageData.new( build_google_feeling_lucky_url( request.artist ) )
end

#lyrics_page_valid?(request, page_body, page_url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 59

def lyrics_page_valid?( request, page_body, page_url )
	md = /<title>([^<]+) LYRICS - [^<]+<\/title>/.match( page_body )
	return md ? Strings.normalize( request.artist ) == Strings.normalize( md[1] ) : false
end

#parse_lyrics(response, page_body) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 64

def parse_lyrics( response, page_body )

# 		page_body = Strings.latin12utf8( page_body )
	page_body.tr_s!( " \n\r\t", " " )

	if (md = /<FONT size=5 color=#FFFFCC>([^<]+) LYRICS<\/FONT><br>/.match( page_body ))
		response.artist = Strings.titlecase( md[1], true, true )
	end

	if (md = /<FONT size=3 color=white><b>([^<]+) \(([0-9]{4,4})( [^\)]+|)\)<\/b><\/FONT><br>/.match( page_body ))
		response.album, response.year = md[1], md[2]
	end

	return if ! page_body.sub!( /^.*<SCRIPT LANGUAGE="javascript" src="\.\.\/\.\.\/recban\.js"><\/SCRIPT><BR>/i, "" )
	return if ! page_body.sub!( /<FONT [^>]*size=.*$/i, "" )

	md = /.*#([0-9]+)$/.match( response.url )
	track = md ? md[1] : nil
	normalized_title = Strings.normalize( response.request.title )
	page_body.split( /<a name=[0-9]+><FONT color=#DDDDDD>/i ).each() do |song_content|
		md = /^<b>([0-9]+)\. ([^<]+)<\/b><\/font><br>(.*)$/.match( song_content )
		next if ! md || (track && track != md[1]) || (! track && normalized_title != Strings.normalize( md[2] ))
		response.title = md[2]
		page_body = md[3]
		page_body.gsub!( /\ ?<br ?\/?> ?/i, "\n" )
		page_body.gsub!( /\n{3,}/, "\n\n" )
		page_body.strip!()
		response.lyrics = page_body
	end

end

#parse_suggestions(request, page_body, page_url) ⇒ Object 



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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 105

def parse_suggestions( request, page_body, page_url )

# 		page_body = Strings.latin12utf8( page_body )
	page_body.tr_s!( " \n\r\t", " " )

	suggestions = []

	return suggestions if ! page_body.sub!(/^.*<FONT FACE="Helvetica" COLOR=#FFFFCC SIZE=4><br>[^<]+ LYRICS<BR><\/FONT>/i,"")
	return suggestions if ! page_body.sub!( /<SCRIPT LANGUAGE="javascript".*$/i, "" )

	page_body.split( /<br>/i ).each() do |entry|
		if (md = /<a href="\.\.(\/lyrics\/[^"]+)" target="_blank"><FONT [^>]+>([^"]+)<\/FONT><\/a>/i.match( entry ))
			suggestions << Suggestion.new( request.artist, md[2], "http://#{site_host()}#{md[1]}" )
		end
	end

	return suggestions

end

#suggestions_page_valid?(request, page_body, page_url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lyrics/lyrics_DarkLyrics.rb', line 100

def suggestions_page_valid?( request, page_body, page_url )
	md = /<title>([^<]+) LYRICS<\/title>/.match( page_body )
	return md ? Strings.normalize( request.artist ) == Strings.normalize( md[1] ) : false
end