X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=jsroute%2Fjsroute;fp=jsroute%2Fjsroute;h=5997e11b5330cf2d27439e131b4aab75860afdde;hb=960093578d2b188e3b756fa97a3517cf7e333c09;hp=0000000000000000000000000000000000000000;hpb=3a0515adc9b37f185f5454c16127e1425c0d36d1;p=dead%2Fcensus-tools.git

diff --git a/jsroute/jsroute b/jsroute/jsroute
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+#!/bin/bash
+#
+# jsroute, a utility to route via Google Maps using Envjs.
+#
+# We take a starting point and a destination as arguments, and
+# pass them off to a Javascript file (route.js) which is compiled
+# on-the-fly using Mozilla's Rhino Javascript compiler. Then, magic
+# occurs, and the JSON results are output to the command line.
+#
+# Soon the output will be piped through a Python script to convert
+# it to (usable) KML.
+#
+
+# Some exit codes.
+EXIT_MISSING_START=1
+EXIT_MISSING_DESTINATION=2
+EXIT_HELP=3
+EXIT_GETOPT_UNHAPPY=4
+EXIT_TOO_MANY_ARGS=5
+
+
+# Empty by default.
+ROUTENAME=""
+
+# A function which just displays the usage information.
+function usage {
+    echo ""
+    echo "Usage: $0 [-h] [-n \"name\"] \"<start>\" \"<destination>\""
+    echo ""
+    echo "ARGUMENTS"
+    echo "  <start>,       Your starting location. Use quotes."
+    echo "  <destination>, Your destination. Use quotes."
+    echo ""
+    echo "OPTIONS"
+    echo "  -h,            Show the usage information and bail."
+    echo "  -n <name>,     Give the route a meaningful name. Use quotes."
+    echo ""
+}
+
+
+while getopts "hn:" option; do
+  case $option in
+      n ) ROUTENAME="$OPTARG";
+	  # Shift the number of remaining arguments down by two,
+	  # so that the non-option parameters are accessible via
+	  # $1, $2, etc.
+	  shift $((OPTIND-1));;
+      h ) usage;
+	  exit $EXIT_HELP;;
+      * ) usage;
+	  exit $EXIT_GETOPT_UNHAPPY;;
+  esac
+done
+
+
+# The non-option parameters.
+START=$1
+DESTINATION=$2
+
+# Dollarsign-octothorpe contains the number of parameter arguments.
+if [ "$#" -gt 2 ]; then
+    echo "Error: too many arguments. Maybe you forgot to place the source and destination in quotes?"
+    usage;
+    exit $EXIT_TOO_MANY_ARGS
+fi
+
+if [ "$START" == "" ]; then
+    usage;
+    exit $EXIT_MISSING_START
+fi
+
+if [ "$DESTINATION" == "" ]; then
+    usage;
+    exit $EXIT_MISSING_DESTINATION
+fi
+
+if [ "$ROUTENAME" == "" ]; then
+    # Set it to a default of "<start> to <destination>".
+    ROUTENAME="$START to $DESTINATION"
+fi
+
+java -jar ../lib/env-js/rhino/js.jar -opt -1 route.js "$1" "$2"