Module: Envo::ValBuilder

Extended by:
ValBuilder
Included in:
ValBuilder
Defined in:
lib/envo/val/val_builder.rb

Instance Method Summary collapse

Instance Method Details

#from_env_string(str, host) ⇒ Object 



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# File 'lib/envo/val/val_builder.rb', line 7

def from_env_string(str, host)
  return NoVal.new if !str

  is_list = host.shell.likely_list?(str)
  is_path = host.shell.likely_abs_path?(str)

  if is_list
    ar = host.shell.list_to_ar(str)
    if is_path
      return PathListVal.new(host, ar)
    else
      return ListVal.new(ar)
    end
  elsif is_path
    return PathVal.new(host, str)
  else
    return StringVal.new(str)
  end
end

#from_user_string(str, host) ⇒ Object 



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# File 'lib/envo/val/val_builder.rb', line 27

def from_user_string(str, host)
  if host.shell.likely_abs_path?(str)
    return PathVal.new(host, host.shell.fix_path(str))
  end

  if host.shell.likely_rel_path?(str)
    # the pathname approach is not multi-platform
    # ie windows paths won't work on non-windows host
    # we should reimplement pathname joins for windows for this to work
    path = Pathname.new host.pwd
    path += str
    return PathVal.new(host, host.shell.fix_path(path.cleanpath.to_s))
  end

  return StringVal.new str
end

#from_user_text(text, host) ⇒ Object 



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# File 'lib/envo/val/val_builder.rb', line 44

def from_user_text(text, host)
  return from_user_string(text, host) if text.class != Array
  return NoVal.new if text.empty?

  elems = text.map { |str| from_user_string(str, host) }

  # array of 1 is as good as nothing
  return elems[0] if elems.size == 1

  is_path = elems[0].type == :path
  elems.map! { |elem| elem.to_s }

  return is_path ? PathListVal.new(host, elems) : ListVal.new(elems)
end