module LiquidDiagrams::Rendering
Public Instance Methods
render_with_command(command, output = :stdout, **options)
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# File lib/liquid_diagrams/rendering.rb, line 33 def render_with_command(command, output = :stdout, **options) begin stdout, stderr, status = Open3.capture3(command, **options) rescue Errno::ENOENT raise Errors::CommandNotFoundError, command.split(' ')[0] end unless status.success? msg = "#{command}: #{stderr.empty? ? stdout : stderr}" raise Errors::RenderingFailedError, msg end output == :stdout ? stdout : File.read(output) end
render_with_stdin_stdout(command, content) { |command| ... }
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# File lib/liquid_diagrams/rendering.rb, line 11 def render_with_stdin_stdout(command, content) options = yield command if block_given? command = "#{command} #{options}".strip render_with_command(command, :stdout, stdin_data: content) end
render_with_tempfile(command, content) { |path, path| ... }
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# File lib/liquid_diagrams/rendering.rb, line 18 def render_with_tempfile(command, content) input = Tempfile.new('input') output = Tempfile.new(%w[output .svg]) File.write(input.path, content) options = yield input.path, output.path command = "#{command} #{options}".strip render_with_command(command, output.path) ensure input.close! output.close! end