Method: Inkmake::InkFile#parse_line

Defined in:

lib/inkmake.rb

#parse_line(line) ⇒ Object

Raises:

• (SyntaxError)

# File 'lib/inkmake.rb', line 370

def parse_line(line)
  cols = nil
  begin
    cols = parse_split_line(line)
  rescue CSV::MalformedCSVError => e
    raise SyntaxError, e.message
  end
  raise SyntaxError, "Invalid number of columns" if cols.count < 1

  if not DEST_RE.match(cols[0])
    raise SyntaxError, "Invalid destination format \"#{cols[0]}\""
  end

  opts = {}
  opts[:prefix] = $1
  variants = $2
  opts[:suffix] = $3
  opts[:format] = $1.downcase if EXT_RE.match(opts[:prefix] + opts[:suffix])

  cols[1..-1].each do |col|
    case col
    when RES_RE then opts[:res] = InkscapeResolution.new($1, $2, "px")
    when SVG_RE then opts[:svg] = col
    when AREA_SPEC_RE then opts[:area] = [$1.to_f, $2.to_f, $3.to_f, $4.to_f]
    when AREA_NAME_RE then opts[:area] = $1
    when /^drawing$/ then opts[:area] = :drawing
    when FORMAT_RE then opts[:format] = $1.downcase
    when ROTATE_RE then opts[:rotate] = Rotations[$1]
    when SCALE_RE then opts[:scale] = $1.to_f
    when DPI_RE then opts[:dpi] = $1.to_f
    when SHOWHIDE_RE
      op = $1 == "+" ? :show : :hide
      if $2.start_with? "#"
        type = :id
        name= $2[1..-1]
      else
        type = :layer
        name = $2 == "*" ? :all : $2
      end
      (opts[:showhide] ||= []).push({:op => op, :type => type, :name => name})
    else
      raise SyntaxError, "Unknown column \"#{col}\""
    end
  end

  if not opts[:format]
    raise SyntaxError, "Unknown or no output format could be determined"
  end

  variants = (variants.split("|") if variants) || []
  opts[:variants] = variants.collect do |variant|
    name, options = variant.split("=", 2)
    if options
      options = Hash[
        options.split(",").map do |option|
        case option
        when ROTATE_RE then [:rotate, Rotations[$1]]
        when RES_RE then [:res, InkscapeResolution.new($1, $2, "px")]
        when SCALE_RE then [:scale, $1.to_f]
        when DPI_RE then [:dpi, $1.to_f]
        else
          raise SyntaxError, "Invalid variant option \"#{option}\""
        end
        end
      ]
    else
      options = DefaultVariants[name]
      raise SyntaxError, "Invalid default variant \"#{name}\"" if not options
    end

    [name, options]
  end

  opts
end