Class: RbFind::Table

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

Instance Method Summary collapse

Constructor Details

#initialize(*heads) ⇒ Table

Returns a new instance of Table.



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

def initialize *heads
  heads.flatten!
  @heads = heads.map { |h|
    a = case h
      when />\z/  then +1
      when /\^\z/ then  0
      when /<?\z/ then -1
      end
    [ $`, a]
  }
  @rows = []
end

Instance Method Details

#add(*row) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 30

def add *row
  row.flatten!
  n = @heads.size
  row.map! { |r| break if n.zero? ; n -= 1 ; r.to_s }
  @rows.push row
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbfind/table.rb', line 41

def empty?
  @rows.empty?
end

#initialize_copy(oth) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 25

def initialize_copy oth
  @heads = oth.heads
  @rows = []
end

#make_html(table: nil, row: nil) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 73

def make_html table: nil, row: nil
  @html = ""
  tag :table, table, nl: 2 do
    tag :tr, row, nl: 1 do
      @heads.each { |(h,a)|
        tag :td, h.downcase, align: a do @html << h end
      }
    end
    @rows.each { |r|
      tag :tr, table, nl: 1 do
        (@heads.zip r).each { |(g,a),c|
          tag :td, g.downcase, align: a do @html << c end
        }
      end
    }
  end
  @html
ensure
  @html = nil
end

#make_lines(head: false) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 53

def make_lines head: false
  rs = @rows
  rs.unshift @heads.map { |(h,a)| h } if head
  w = calc_widths
  rs.each { |r|
    j = (w.zip @heads, r).map { |v,(_,a),c|
      c ||= ""
      case a
      when -1 then c.ljust  v
      when  0 then c.center v
      when +1 then c.rjust  v
      end
    }
    l = j.join " "
    l.rstrip!
    yield l
  }
  nil
end

#output(head: false, ifempty: nil) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 45

def output head: false, ifempty: nil
  if empty? and ifempty then
    puts ifempty
    return
  end
  make_lines head: head do |l| puts l end
end

#sort_by!(*nums) ⇒ Object 



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# File 'lib/rbfind/table.rb', line 37

def sort_by! *nums
  @rows.sort_by! { |x| nums.map { |i| x[i] } }
end