# ----------------------------------------------------------------------
#  LANGUAGE:  Ruby API
# ======================================================================
#  AUTHOR:  Michael McLennan, Purdue University
#  Copyright (c) 2004-2012  HUBzero Foundation, LLC
#
#  See the file "license.terms" for information on usage and
#  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
# ======================================================================
language "Ruby" {
  extension ".rb"
  command {ruby @tool/@@FILENAME@@ @driver}

  main {# ----------------------------------------------------------------------
#  MAIN PROGRAM - generated by the Rappture Builder
# ----------------------------------------------------------------------
require "Rappture"

# open the XML file containing the run parameters
io = Rappture.new(ARGV[0])

#########################################################
# Get input values from Rappture
#########################################################
@@INPUTS@@

#########################################################
#  Add your code here for the main body of your program
#########################################################

# spit out progress messages as you go along...
io.progress(0, "Starting...")
io.progress(5, "Loading data...")
io.progress(50, "Half-way there")
io.progress(100, "Done")

#########################################################
# Save output values back to Rappture
#########################################################
@@OUTPUTS@@

io.result(0)
}

  input boolean {
    code "\n# get input value for $path"
    code "# returns value as string \"yes\" or \"no\""
    code "str = io.get(\"$path.current\")"
    code "$id = (str == \"yes\")"
  }
  input image {
    code "\n# get input value for $path"
    code "# returns base64-encoded image data"
    code "$id = io.get(\"$path.current\")"
  }
  input number {
    set units [attr get units]
    if {$units ne ""} {
      code "\n# get input value for $path and convert to $units"
      code "str = io.get(\"$path.current\")"
      code "$id = io.convert(str, \"$units\", Rappture::UNITS_OFF)"
    } else {
      code "\n# get input value for $path"
      code "$id = io.get(\"$path.current\")"
    }
  }
  input * {
    code "\n# get input value for $path"
    code "$id = io.get(\"$path.current\")"
  }

  output curve {
    code "\n# save output value for $path"
    code "# this shows just one (x,y) point -- modify as needed"
    code "str = sprintf(\"%g %g\\n\", x, y)"
    code "io.put(\"$path.component.xy\", str, Rappture::APPEND)"
  }
  output histogram {
    code "\n# save output value for $path"
    code "# this shows just one point -- modify as needed"
    code "# (x,h,w) = x-coord, height of bar, and width of bar (optional)"
    code "str = sprintf(\"%g %g %g\\n\", x, h, w)"
    code "io.put(\"$path.component.xhw\", str, Rappture::APPEND)"
  }
  output image {
    code "\n# save output value for $path"
    code "# data should be base64-encoded image data"
    code "io.put(\"$path.current\", imdata, Rappture::OVERWRITE)"
  }
  output * {
    code "\n# save output value for $path"
    code "io.put(\"$path.current\",$id, Rappture::OVERWRITE)"
  }
}