Class: TheFox::Timr::Table

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = Hash.new) ⇒ Table

Returns a new instance of Table.



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# File 'lib/timr/table.rb', line 10

def initialize(options = Hash.new)
  @headings = options.fetch(:headings, Array.new)
  
  @rows = Array.new
end

Instance Attribute Details

#rows ⇒ Object (readonly)

Holds all rows.



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# File 'lib/timr/table.rb', line 8

def rows
  @rows
end

Instance Method Details

#<<(row) ⇒ Object

Append a row.



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# File 'lib/timr/table.rb', line 17

def <<(row)
  col_n = 0
  row.each do |col|
    header = @headings[col_n]
    if header
      header[:format] ||= '%s'
      header[:label] ||= ''
      unless header.has_key?(:empty)
        header[:empty] = true
      end
      header[:max_length] ||= 0
      header[:padding_left] ||= ''
      header[:padding_right] ||= ''
    else
      header = {
        :format => '%s',
        :label => '',
        :empty => true,
        :max_length => 0,
        :padding_left => '',
        :padding_right => '',
      }
    end
    
    unless col.nil?
      if header[:empty]
        header[:empty] = false
      end
      col_s = col.to_s
      if col_s.length > header[:max_length]
        header[:max_length] = (header[:format] % [col_s]).length + header[:padding_left].length + header[:padding_right].length
      end
    end
    
    col_n += 1
  end
  @rows << row
end

#to_s ⇒ Object

Render Table to String.



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# File 'lib/timr/table.rb', line 57

def to_s
  s = ''
  
  s << @headings.map{ |header|
    unless header[:empty]
      "%s#{header[:format]}%s" % [header[:padding_left], header[:label], header[:padding_right]]
    end
  }.select{ |ts| !ts.nil? }.join(' ')
  s << "\n"
  
  @rows.each do |row|
    col_n = 0
    columns = []
    row.each do |col|
      header = @headings[col_n]
      unless header[:empty]
        col_s = "%s#{header[:format]}%s" % [header[:padding_left], col, header[:padding_right]]
        
        columns << col_s
      end
      col_n += 1
    end
    s << columns.join(' ') << "\n"
  end
  
  s
end