Class: EBPS::Text::Table

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Table

Returns a new instance of Table.



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# File 'lib/ebps/text/table.rb', line 53

def initialize
  @rows = [[]]
  next_cell!
end

Instance Attribute Details

#rows ⇒ Object (readonly)

Returns the value of attribute rows.



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# File 'lib/ebps/text/table.rb', line 52

def rows
  @rows
end

Instance Method Details

#<<(str) ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 117

def <<(str)
  @rows.last.last << str
end

#clean! ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 57

def clean!
  @rows.each { |row|
    while((cell = row.last) && cell.empty?)
      row.pop
    end
  }
  while((row = @rows.last) && row.empty?)
    @rows.pop
  end
end

#column_widths ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 67

def column_widths
  @rows.inject([]) { |memo, row|
    row.each_with_index { |cell, idx|
      if cell.is_a? Cell or cell.is_a? MultiCell
        maxlength = cell.to_s.split("\n").collect{ |part| part.length }.max
        candidate = maxlength.to_i / cell.col_span
      else
        candidate = cell.length
      end
      memo[idx] = [memo[idx].to_i, candidate].max
    }
    memo
  }
end

#each_normalized(&block) ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 98

def each_normalized(&block)
  wd = width
  @rows.each { |row|
    block.call(row + Array.new(wd - row.length))
  }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebps/text/table.rb', line 81

def empty?
  @rows.flatten.all? { |cell| cell.strip.empty? }
end

#next_cell! ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 84

def next_cell!
  cell = Cell.new
  @rows.last.push cell
  cell
end

#next_multi_cell! ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 89

def next_multi_cell!
  cell = MultiCell.new
  @rows.last.push cell
  cell
end

#next_row! ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 94

def next_row!
  @rows.push []
  next_cell!
end

#to_s ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 104

def to_s
  widths = column_widths
  @rows.collect { |row|
    line = ''
    row.each_with_index { |cell, idx|
      line << cell.to_s.ljust(widths.at(idx) + 2)
    }
    line
  }.join("\n")
end

#width ⇒ Object 



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# File 'lib/ebps/text/table.rb', line 114

def width
  @rows.collect { |row| row.length }.max  
end