raghavkarol/dot2html_with_svg

## dot2html_with_svg
#!/bin/bash

set -u

# ----------------------------------------------------------
# Helpers
function html() {
    contents="none"
    case $1 in
        ok)
            contents="<div class='content'><img src=$2></div>"
            ;;
        error)
            shift
            contents="<div class='error'>$*</div>"
            ;;
    esac
cat <<EOF
<html>
 <style>
  * {
  font-family: courier;
  }

  body {
   margin: 0;
  }
  .error {
    font-size: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background: pink
  }
 </style>
 <body>
 ${contents}
</body>
</html>
EOF
}

# ----------------------------------------------------------
# Main

readonly dot_file=$1
readonly svg_file=${dot_file/%.dot/.svg}
readonly out=$2
readonly error=`mktemp`

rm -f $out

trap "{ rm -f $error; }" EXIT
exec > $out
exec 2> $error

dot -Nfontname=courier -Efontname=courier -Tsvg -o $svg_file $dot_file

if [[ $? != 0 || -s $error ]]
then
    html error $(cat $error)
    exit 1
fi

echo $svg_file
html ok $svg_file
	#!/bin/bash

	set -u

	# ----------------------------------------------------------
	# Helpers
	function html() {
	contents="none"
	case $1 in
	ok)
	contents="<div class='content'><img src=$2></div>"
	;;
	error)
	shift
	contents="<div class='error'>$*</div>"
	;;
	esac
	cat <<EOF
	<html>
	<style>
	* {
	font-family: courier;
	}

	body {
	margin: 0;
	}
	.error {
	font-size: 32px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100vw;
	height: 100vh;
	background: pink
	}
	</style>
	<body>
	${contents}
	</body>
	</html>
	EOF
	}

	# ----------------------------------------------------------
	# Main

	readonly dot_file=$1
	readonly svg_file=${dot_file/%.dot/.svg}
	readonly out=$2
	readonly error=`mktemp`

	rm -f $out

	trap "{ rm -f $error; }" EXIT
	exec > $out
	exec 2> $error

	dot -Nfontname=courier -Efontname=courier -Tsvg -o $svg_file $dot_file

	if [[ $? != 0 \|\| -s $error ]]
	then
	html error $(cat $error)
	exit 1
	fi

	echo $svg_file
	html ok $svg_file