# JSON Tools
  # Adds command line aliases useful for dealing with JSON
  
  if [[ $(whence $JSONTOOLS_METHOD) = "" ]]; then
  	JSONTOOLS_METHOD=""
  fi
  
  if [[ $(whence node) != "" && ( "x$JSONTOOLS_METHOD" = "x"  || "x$JSONTOOLS_METHOD" = "xnode" ) ]]; then
  	alias pp_json='xargs -0 node -e "console.log(JSON.stringify(JSON.parse(process.argv[1]), null, 4));"'
  	alias is_json='xargs -0 node -e "try {json = JSON.parse(process.argv[1]);} catch (e) { console.log(false); json = null; } if(json) { console.log(true); }"'
  	alias urlencode_json='xargs -0 node -e "console.log(encodeURIComponent(process.argv[1]))"'
  	alias urldecode_json='xargs -0 node -e "console.log(decodeURIComponent(process.argv[1]))"'
  elif [[ $(whence python) != "" && ( "x$JSONTOOLS_METHOD" = "x" || "x$JSONTOOLS_METHOD" = "xpython" ) ]]; then
  	alias pp_json='python -mjson.tool'
  	alias is_json='python -c "
  import json, sys;
  try: 
  	json.loads(sys.stdin.read())
  except ValueError, e: 
  	print False
  else:
  	print True
  sys.exit(0)"'
  	alias urlencode_json='python -c "
  import urllib, json, sys;
  print urllib.quote_plus(sys.stdin.read())
  sys.exit(0)"'
  	alias urldecode_json='python -c "
  import urllib, json, sys;
  print urllib.unquote_plus(sys.stdin.read())
  sys.exit(0)"'
  elif [[ $(whence ruby) != "" && ( "x$JSONTOOLS_METHOD" = "x" || "x$JSONTOOLS_METHOD" = "xruby" ) ]]; then
  	alias pp_json='ruby -e "require \"json\"; require \"yaml\"; puts JSON.parse(STDIN.read).to_yaml"'
  	alias is_json='ruby -e "require \"json\"; begin; JSON.parse(STDIN.read); puts true; rescue Exception => e; puts false; end"'
  	alias urlencode_json='ruby -e "require \"uri\"; puts URI.escape(STDIN.read)"'
  	alias urldecode_json='ruby -e "require \"uri\"; puts URI.unescape(STDIN.read)"'
  fi
  
  unset JSONTOOLS_METHOD