Class: Formatter

Inherits:
Object show all
Defined in:
lib/puppet/application/describe.rb

Instance Method Summary collapse

Constructor Details

#initialize(width) ⇒ Formatter


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# File 'lib/puppet/application/describe.rb', line 5

def initialize(width)
  @width = width
end

Instance Method Details

#header(txt, sep = "-") ⇒ Object


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# File 'lib/puppet/application/describe.rb', line 31

def header(txt, sep = "-")
  "\n#{txt}\n" + sep * txt.size
end

#wrap(txt, opts) ⇒ Object


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# File 'lib/puppet/application/describe.rb', line 9

def wrap(txt, opts)
  return "" unless txt && !txt.empty?
  work = (opts[:scrub] ? scrub(txt) : txt)
  indent = (opts[:indent] ? opts[:indent] : 0)
  textLen = @width - indent
  patt = Regexp.new("\\A(.{0,#{textLen}})[ \n]")
  prefix = " " * indent

  res = []

  while work.length > textLen
    if work =~ patt
      res << $1
      work.slice!(0, $MATCH.length)
    else
      res << work.slice!(0, textLen)
    end
  end
  res << work if work.length.nonzero?
  prefix + res.join("\n#{prefix}")
end