Class: Awsm::TableBase

Inherits:
Object
  • Object
show all
Defined in:
lib/awsm/tablebase.rb

Direct Known Subclasses

Awsm::Table::Image, Awsm::Table::Instance

Instance Method Summary collapse

Constructor Details

#initialize(objects, format = :pretty) ⇒ TableBase

Returns a new instance of TableBase.



4
5
6
7
8
9
10
11
 
# File 'lib/awsm/tablebase.rb', line 4

def initialize( objects, format=:pretty )
  @objects = objects
  @format = format

  @use_fields = config.use_fields
  @fields = defaultFields
  @headings = defaultHeadings
end

Instance Method Details



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/awsm/tablebase.rb', line 13

def print
  config.fields.each do |name, field|
    @headings[ name ] = field[:heading]
    @fields[ name ] = field[:block]
  end

  @rows = @objects.map do |i|
    row = []
    @use_fields.each do |f|
      row << extract_field( i, f )
    end
    row
  end

  case @format
    when :pretty
      puts Terminal::Table.new(
        headings: @use_fields.map { |f| @headings[ f ] },
        rows: @rows
      )
    when :tsv
      @rows.each do |row|
        puts row.join("\t")
      end
    when :csv
      @rows.each do |row|
        puts row.join(',')
      end
    when :json
      json = []
      @rows.each do |row|
        json << Hash[ @use_fields.zip( row ) ]
      end
      puts JSON.generate( json )
    else
      puts "Unknown output format: #{@format}"
  end
end