Class: HighLine::TemplateRenderer

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/highline/template_renderer.rb

Overview

Renders an erb template taking a Question and a HighLine instance as context.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(template, source, highline) ⇒ TemplateRenderer

Initializes the TemplateRenderer object with its template and HighLine and Question contexts.

Parameters:

  • template (ERB) —

    ERB template.

  • source (Question) —

    question object.

  • highline (HighLine) —

    HighLine instance.



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# File 'lib/highline/template_renderer.rb', line 30

def initialize(template, source, highline)
  @template = template
  @source   = source
  @highline = highline
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ String

Returns an error message when the called method is not available.

Returns:



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# File 'lib/highline/template_renderer.rb', line 44

def method_missing(method, *args)
  "Method #{method} with args #{args.inspect} " \
    "is not available on #{inspect}. " \
    "Try #{methods(false).sort.inspect}"
end

Instance Attribute Details

#highline ⇒ HighLine (readonly)

Returns HighLine instance used as context.

Returns:

  • (HighLine) —

    HighLine instance used as context



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# File 'lib/highline/template_renderer.rb', line 21

def highline
  @highline
end

#source ⇒ Question, Menu (readonly)

Returns Question instance used as context.

Returns:



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# File 'lib/highline/template_renderer.rb', line 18

def source
  @source
end

#template ⇒ ERB (readonly)

Returns ERB template being rendered.

Returns:

  • (ERB) —

    ERB template being rendered



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# File 'lib/highline/template_renderer.rb', line 15

def template
  @template
end

Class Method Details

.const_missing(name) ⇒ Object

If some constant is missing at this TemplateRenderer instance, get it from HighLine. Useful to get color and style contants.

Parameters:

  • name (Symbol) —

    automatically passed constant’s name as Symbol



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# File 'lib/highline/template_renderer.rb', line 58

def self.const_missing(name)
  HighLine.const_get(name)
end

Instance Method Details

Returns #source attribute.

Returns:



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# File 'lib/highline/template_renderer.rb', line 51

def menu
  source
end

#render ⇒ String

Returns rendered template.

Returns:

  • (String) —

    rendered template



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# File 'lib/highline/template_renderer.rb', line 37

def render
  template.result(binding)
end