# 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); }"'
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)"'
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"'
fi

unset JSONTOOLS_METHOD