Module: Ea::Diagram::Util

Included in:
ElementRenderers::BaseRenderer, LayoutEngine, PathBuilder, SvgRenderer
Defined in:
lib/ea/diagram/util.rb

Instance Method Summary collapse

Instance Method Details

#parse_ea_geometry(geometry_string) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/ea/diagram/util.rb', line 28

def parse_ea_geometry(geometry_string) # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  return nil if geometry_string.nil? || geometry_string.strip.empty?

  data = {}
  begin
    geometry = geometry_string
      .gsub(/\s/, "")
      .downcase
      .split(";")
      .to_h { |pair| pair.split("=") }

    geometry.each do |k, v|
      if v.include?(",")
        # waypoints
        data[:waypoints] ||= []
        x_str, y_str = v.split(",")
        data[:waypoints] << { x: x_str.to_i, y: y_str.to_i }
      else
        key = case k
              when "sx"
                data[:has_relative_coords] ||= true
                "source_offset_x"
              when "sy"
                data[:has_relative_coords] ||= true
                "source_offset_y"
              when "ex"
                data[:has_relative_coords] ||= true
                "target_offset_x"
              when "ey"
                data[:has_relative_coords] ||= true
                "target_offset_y"
              else
                k
              end

        data[key.to_sym] = v.to_i
      end
    end
  rescue ArgumentError, TypeError
    data = {}
  end
  data
end

#parse_geometry_offsets(geometry_string) ⇒ Object

Parse geometry offsets



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# File 'lib/ea/diagram/util.rb', line 15

def parse_geometry_offsets(geometry_string)
  geometry = parse_ea_geometry(geometry_string)

  [
    geometry[:source_offset_x].to_i,
    geometry[:source_offset_y].to_i,
    geometry[:target_offset_x].to_i,
    geometry[:target_offset_y].to_i,
  ]
rescue TypeError, NoMethodError
  [0, 0, 0, 0]
end

#style_to_css(style_hash) ⇒ String

Convert a style hash to a CSS string

Parameters:

  • style_hash (Hash) —

    Style properties (e.g., { stroke: "#000" })

Returns:

  • (String) —

    CSS string (e.g., "stroke:#000;fill:none")



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# File 'lib/ea/diagram/util.rb', line 10

def style_to_css(style_hash)
  style_hash.map { |k, v| "#{k}:#{v}" }.join(";")
end