Class: ODDB::Text::Table

Inherits:
Object
  • Object
show all
Includes:
OddbUri
Defined in:
lib/oddb/text/table.rb,
lib/oddb/export/yaml.rb

Constant Summary

Constants included from OddbUri

OddbUri::YAML_URI

Instance Method Summary collapse

Methods included from OddbUri

#to_yaml, #to_yaml_map, #to_yaml_type

Constructor Details

#initialize(*args) ⇒ Table

Returns a new instance of Table.



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# File 'lib/oddb/text/table.rb', line 9

def initialize(*args)
  super
  @rows = [[]]
  next_cell!
end

Instance Method Details

#<<(str) ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 63

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

#clean! ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 14

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/oddb/text/table.rb', line 24

def column_widths
  @rows.inject([]) { |memo, row|
    row.each_with_index { |cell, idx|
      memo[idx] = [memo[idx].to_i, cell.length].max
    }
    memo
  }
end

#each_normalized(&block) ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 44

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/oddb/text/table.rb', line 32

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

#next_cell! ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 35

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

#next_row! ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 40

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

#to_s ⇒ Object 



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# File 'lib/oddb/text/table.rb', line 50

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/oddb/text/table.rb', line 60

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