Module: TraceVisualization::Utils

Defined in:
lib/trace_visualization/utils.rb

Class Method Summary collapse

Class Method Details

.read_file(options) ⇒ Object

Read data from file Allowed options

file_name file name
n_bytes the number of bytes
n_lines the number of lines

If both options - n_bytes and n_lines - are set, it uses n_bytes



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# File 'lib/trace_visualization/utils.rb', line 21

def self.read_file(options)
  str = nil

  if options[:file_name]
    str = ""
    if options[:n_bytes] != nil 
      str = IO.read(options[:file_name], options[:n_bytes])
    else
      fd = open(options[:file_name])
      limit = options[:n_lines] || 2**32
      
      begin
        while (line = fd.readline)
          str += line

          limit -= 1
          break if limit == 0
        end
      rescue EOFError => e
      end
    end
  end
  
  str
end

.rhash(lp, rp) ⇒ Object 



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# File 'lib/trace_visualization/utils.rb', line 10

def self.rhash(lp, rp)
  lp.hash + rp.hash
end

.set_default_options(options, default_options) ⇒ Object 



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# File 'lib/trace_visualization/utils.rb', line 6

def self.set_default_options(options, default_options)
  options.update(default_options.merge(options))      
end