Class: Graml::TreeIterator

Inherits:
Object
  • Object
show all
Defined in:
lib/graml/tree_iterator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base_path, skip_hidden: true) ⇒ TreeIterator

Returns a new instance of TreeIterator.



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# File 'lib/graml/tree_iterator.rb', line 7

def initialize(base_path, skip_hidden: true)
  @base_path = base_path
  @skip_hidden = skip_hidden
end

Instance Attribute Details

#base_path ⇒ Object (readonly)

Returns the value of attribute base_path.



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# File 'lib/graml/tree_iterator.rb', line 5

def base_path
  @base_path
end

#skip_hidden ⇒ Object (readonly)

Returns the value of attribute skip_hidden.



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# File 'lib/graml/tree_iterator.rb', line 5

def skip_hidden
  @skip_hidden
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/graml/tree_iterator.rb', line 12

def each(&block)
  tree(Pathname.new(base_path), &block)
end

#tree(parent, &block) ⇒ Object 



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# File 'lib/graml/tree_iterator.rb', line 16

def tree(parent, &block)
  if parent.directory?
    return if parent.symlink?

    parent.children.each do |pathname|
      next if skip_hidden && pathname.basename.to_s.start_with?(".")

      tree(pathname, &block)
    end
  else
    yield(parent)
  end
rescue Errno::ELOOP => e
  warn "Error reading #{parent}, #{e.message}"

  []
end