Module: IRuby

Defined in:
lib/iruby/utils.rb,
lib/iruby/kernel.rb,
lib/iruby/backend.rb,
lib/iruby/command.rb,
lib/iruby/display.rb,
lib/iruby/ostream.rb,
lib/iruby/session.rb,
lib/iruby/version.rb

Defined Under Namespace

Classes: Command, Display, Kernel, MimeString, OStream, PlainBackend, PryBackend, Session

Constant Summary collapse

VERSION = 
'0.1.9'

Class Method Summary collapse

Class Method Details

.display(obj, options = {}) ⇒ Object 



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# File 'lib/iruby/utils.rb', line 15

def self.display(obj, options={})
  Kernel.instance.display(obj, options)
end

.html(s) ⇒ Object 



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# File 'lib/iruby/utils.rb', line 68

def self.html(s)
  MimeString.new('text/html', s)
end

.latex(s) ⇒ Object 



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# File 'lib/iruby/utils.rb', line 60

def self.latex(s)
  MimeString.new('text/latex', s)
end

.math(s) ⇒ Object 



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# File 'lib/iruby/utils.rb', line 64

def self.math(s)
  MimeString.new('text/latex', "$$#{s}$$")
end

.table(obj) ⇒ Object 



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# File 'lib/iruby/utils.rb', line 19

def self.table(obj)
  return obj unless Enumerable === obj
  keys = nil
  size = 0
  rows = []
  obj.each do |row|
    row = row.flatten(1) if obj.respond_to?(:keys)
    if row.respond_to?(:keys)
      # Array of Hashes
      keys ||= Set.new
      keys.merge(row.keys)
    elsif row.respond_to?(:map)
      # Array of Arrays
      size = row.size if size < row.size
    end
    rows << row
  end
  table = '<table>'
  if keys
    keys.merge(0...size)
    table << '<tr>' << keys.map {|k| "<th>#{k}</th>"}.join << '</tr>'
  else
    keys = 0...size
  end
  rows.each do |row|
    table << '<tr>'
    if row.respond_to?(:map)
      row = keys.map {|k| "<td>#{row[k] rescue nil}</td>" }
      if row.empty?
        table << "<td#{keys.size > 1 ? " colspan='#{keys.size}'" : ''}></td>"
      else
        table << row.join
      end
    else
      table << "<td#{keys.size > 1 ? " colspan='#{keys.size}'" : ''}>#{row}</td>"
    end
    table << '</tr>'
  end
  html(table << '</table>')
end