Class: Wunderbar::TextBuilder

Inherits:
BuilderClass show all
Defined in:
lib/wunderbar/builder.rb

Instance Method Summary collapse

Methods inherited from BuilderClass

#websocket

Methods inherited from BuilderBase

#get_binding, #set_variables_from_params

Constructor Details

#initialize(scope) ⇒ TextBuilder

Returns a new instance of TextBuilder.



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# File 'lib/wunderbar/builder.rb', line 409

def initialize(scope)
  @_target = StringIO.new
  @_scope = scope
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object

forward to Wunderbar, @_target, or @_scope



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# File 'lib/wunderbar/builder.rb', line 428

def method_missing(method, *args, &block)
  if Wunderbar.respond_to? method
    return Wunderbar.send method, *args, &block
  elsif @_target.respond_to? method
    return @_target.send method, *args, &block
  elsif @_scope and @_scope.respond_to? method
    return @_scope.send method, *args, &block
  else
    super
  end
end

Instance Method Details

#_(*args) ⇒ Object 



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# File 'lib/wunderbar/builder.rb', line 422

def _(*args)
  @_target.puts(*args) if args.length > 0 
  self
end

#_exception(*args) ⇒ Object 



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# File 'lib/wunderbar/builder.rb', line 440

def _exception(*args)
  exception = args.first
  if exception.respond_to? :backtrace
    Wunderbar.error exception.inspect
    @_target.puts unless size == 0
    @_target.puts exception.inspect
    exception.backtrace.each do |frame| 
      next if CALLERS_TO_IGNORE.any? {|re| frame =~ re}
      Wunderbar.warn "  #{frame}"
      @_target.puts "  #{frame}"
    end
  else
    super
  end
end

#encode(&block) ⇒ Object 



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# File 'lib/wunderbar/builder.rb', line 414

def encode(&block)
  set_variables_from_params
  before = @_target.string
  result = self.instance_eval(&block)
  _ result if before.empty? and result and @_target.string == before
  @_target.string
end

#system(*args) ⇒ Object

execute a system command, echoing stdin, stdout, and stderr



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# File 'lib/wunderbar/builder.rb', line 457

def system(*args)
  opts = {}
  opts = args.pop if Hash === args.last

  output_prefix = opts[:prefix] || {}
  output_prefix[:stdin]  ||= '$ '

  super do |kind, line|
    @_target.puts "#{output_prefix[kind]}#{line}"
  end
end

#target! ⇒ Object 



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# File 'lib/wunderbar/builder.rb', line 469

def target!
  @_target.string
end