Class: String

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

Overview

class Array

def join_nonempty str
  map { |x|. x.to_s }.reject { |s| s == "" }.join(str)
end

end

Instance Method Summary collapse

Instance Method Details

#tab(n) ⇒ Object

Tabs left or right by n chars, using spaces.



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# File 'lib/cgen/cgen.rb', line 2060

def tab n
  if n >= 0
    gsub(/^/, ' ' * n)
  else
    gsub(/^ {0,#{-n}}/, "")
  end
end

#taballto(n) ⇒ Object

Aligns each line to have n spaces before the first non-space.



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# File 'lib/cgen/cgen.rb', line 2079

def taballto n
  gsub(/^ */, ' ' * n)
end

#tabto(n) ⇒ Object

The first non-empty line is adjusted to have n spaces before the first nonspace. Additional lines are changed to preserve relative tabbing.



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# File 'lib/cgen/cgen.rb', line 2070

def tabto n
  if self =~ /^( *)\S/
    tab(n - $1.length)
  else
    self
  end
end