Class: Sniffer

Inherits:

Object

• Object
• Sniffer

Defined in:

lib/protk/sniffer.rb

Class Method Summary

• .is_mgf_format(filepath) ⇒ Object
• .is_mzml_format(filepath) ⇒ Object
• .sniff_format(filepath) ⇒ Object

  Return nil if undetectable Return detected format otherwise.

Class Method Details

.is_mgf_format(filepath) ⇒ Object

# File 'lib/protk/sniffer.rb', line 26

def self.is_mgf_format(filepath)
	lines = File.foreach(filepath).first(@sniff_lines).join("\n")
	if lines =~ /^BEGIN IONS/
		return true
	end
	return false
end

.is_mzml_format(filepath) ⇒ Object

# File 'lib/protk/sniffer.rb', line 18

def self.is_mzml_format(filepath)
	lines = File.foreach(filepath).first(@sniff_lines).join("\n")
	if lines =~ /\<mzML.*http\:\/\/psi\.hupo\.org\/ms\/mzml/
		return true
	end
	return false
end

.sniff_format(filepath) ⇒ Object

Return nil if undetectable Return detected format otherwise

# File 'lib/protk/sniffer.rb', line 8

def self.sniff_format(filepath)
	if self.is_mgf_format(filepath)
		return "mgf"
	elsif self.is_mzml_format(filepath)
		return "mzML"
	end
	return nil
end