Class: RuboCop::Cask::AST::CaskHeader

Inherits:
Object
  • Object
show all
Defined in:
Library/Homebrew/rubocops/cask/ast/cask_header.rb

Overview

This class wraps the AST method node that represents the cask header. It includes various helper methods to aid cops in their analysis.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method_node) ⇒ CaskHeader

Returns a new instance of CaskHeader.


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 10

def initialize(method_node)
  @method_node = method_node
end

Instance Attribute Details

#method_node ⇒ Object (readonly)

Returns the value of attribute method_node


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 14

def method_node
  @method_node
end

Instance Method Details

#cask_token ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 32

def cask_token
  @cask_token ||= begin
    if dsl_version?
      pair_node.val_node.children.first
    else
      method_node.first_argument.str_content
    end
  end
end

#dsl_version? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 16

def dsl_version?
  hash_node
end

#hash_node ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 42

def hash_node
  @hash_node ||= method_node.each_child_node(:hash).first
end

#header_str ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 20

def header_str
  @header_str ||= source_range.source
end

#pair_node ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 46

def pair_node
  @pair_node ||= hash_node.each_child_node(:pair).first
end

#preferred_header_str ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 28

def preferred_header_str
  "cask '#{cask_token}'"
end

#source_range ⇒ Object 


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# File 'Library/Homebrew/rubocops/cask/ast/cask_header.rb', line 24

def source_range
  @source_range ||= method_node.loc.expression
end