Class: Terraspace::Seeder::Content

Inherits:
Object
  • Object
show all
Extended by:
Memoist
Defined in:
lib/terraspace/seeder/content.rb

Instance Method Summary collapse

Constructor Details

#initialize(parsed) ⇒ Content

Returns a new instance of Content.



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# File 'lib/terraspace/seeder/content.rb', line 5

def initialize(parsed)
  @parsed = parsed
end

Instance Method Details

#all_vars ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 71

def all_vars
  select_vars(@parsed)
end

#build ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 9

def build
  lines = []
  lines << "# Required variables:" unless required_vars.empty?
  required_vars.each do |name, meta|
    lines << build_line(name, meta)
  end
  lines << "" unless required_vars.empty?
  lines << "# Optional variables:" unless optional_vars.empty?
  optional_vars.each do |name, meta|
    lines << build_line(name, meta)
  end
  lines.join("\n") + "\n"
end

#build_line(name, meta) ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 23

def build_line(name, meta)
  value = var_value(meta)
  name = "# #{name}" if meta["default"] # optional so add as a comment
  name = "%-#{rpad}s" % name # rpad to align = signs
  "#{name} = #{value}"
end

#desc_example(desc) ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 56

def desc_example(desc)
  return unless desc
  md = desc.match(/([eE]xample|IE): (.*)/)
  return unless md
  md[2]
end

#escape(type, value) ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 41

def escape(type, value)
  if type&.include?('(') # complex type
    "[...] # #{type}"
  elsif %w[null any true false].include?(value)
    value # no quotes
  else
    %Q|"#{value}"| # add quotes
  end
end

#optional_vars ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 67

def optional_vars
  select_vars(@parsed) { |meta| !meta["default"].nil? }
end

#required_vars ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 63

def required_vars
  select_vars(@parsed) { |meta|  meta["default"].nil? }
end

#rpad ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 51

def rpad
  all_vars.keys.map(&:size).max
end

#select_vars(parsed) ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 75

def select_vars(parsed)
  vars = parsed.dig("variable")
  return [] unless vars
  vars.select do |name,meta|
    block_given? ? yield(meta) : true
  end
end

#var_value(meta) ⇒ Object 



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# File 'lib/terraspace/seeder/content.rb', line 30

def var_value(meta)
  type, default = meta["type"], meta["default"]

  if default
    escape(type, default)
  else
    value = desc_example(meta["description"]) || type || "any"
    escape(type, value)
  end
end