class Bashly::IndentationHelper

A helper class, used by the ‘Array#indent` extension. It will return the array of strings with all strings prefixed by `indentation` unless the line is within a heredoc block.

Attributes

indentation [R]

marker [R]

Public Class Methods

new (indentation)

Source

# File lib/bashly/concerns/indentation_helper.rb, line 8
def initialize(indentation)
  @indentation = indentation
  @marker = nil
end

Public Instance Methods

indent (line)

Source

# File lib/bashly/concerns/indentation_helper.rb, line 13
def indent(line)
  if inside_heredoc?
    reset_marker if heredoc_closed?(line)
    line
  else
    set_heredoc_state(line)
    "#{indentation}#{line}"
  end
end

Private Instance Methods

extract_heredoc_marker (line)

Source

# File lib/bashly/concerns/indentation_helper.rb, line 37
def extract_heredoc_marker(line)
  line =~ /<<-?\s*['"]?(\w+)['"]?/ ? $1 : nil
end

heredoc_closed? (line)

Source

# File lib/bashly/concerns/indentation_helper.rb, line 41
def heredoc_closed?(line)
  inside_heredoc? && /^#{marker}\n?$/.match?(line)
end

inside_heredoc? ()

Source

# File lib/bashly/concerns/indentation_helper.rb, line 29
def inside_heredoc?
  !!marker
end

reset_marker ()

Source

# File lib/bashly/concerns/indentation_helper.rb, line 25
def reset_marker
  @marker = nil
end

set_heredoc_state (line)

Source

# File lib/bashly/concerns/indentation_helper.rb, line 33
def set_heredoc_state(line)
  @marker = extract_heredoc_marker(line)
end