From 90ca54342273f5e21161417909bcb43a4b5f9733 Mon Sep 17 00:00:00 2001
From: eudoxia <uplink@distress.network>
Date: Wed, 10 Nov 2021 17:41:38 -0500
Subject: md.sh: fixed various formatting inconsistencies

---
 md.sh | 77 ++++++++++++++++++++++++++++++-------------------------------------
 1 file changed, 34 insertions(+), 43 deletions(-)

diff --git a/md.sh b/md.sh
index 79cc580..a102e42 100755
--- a/md.sh
+++ b/md.sh
@@ -32,10 +32,10 @@ OUT="$1/index.html"
 
 [ "$1" ] || { echo "$usage" ; exit 1 ; }
 
-[ -f $IN ] ||		{ printf "%s \tFATAL: %s not found\n" "[->]" "$IN"; exit 1 ; }
-[ -f md-header ] ||	{ printf "%s \tFATAL: md-header not found\n" "[->]" ; exit 1 ; }
-[ -f md-footer ] ||	{ printf "%s \tFATAL: md-footer not found\n" "[->]" ; exit 1 ; }
-[ $(which lowdown) ] ||	{ printf "%s \tFATAL: lowdown not found\n" "[->]" ; exit 1 ; }
+[ -f $IN ] ||		{ printf "%s \tFATAL: %s not found\n" "[->]" "$IN" ;	exit 1 ; }
+[ -f md-header ] ||	{ printf "%s \tFATAL: md-header not found\n" "[->]" ;	exit 1 ; }
+[ -f md-footer ] ||	{ printf "%s \tFATAL: md-footer not found\n" "[->]" ;	exit 1 ; }
+[ $(which lowdown) ] ||	{ printf "%s \tFATAL: lowdown not found\n" "[->]" ;	exit 1 ; }
 
 cat md-header > $OUT
 lowdown -Thtml --html-no-owasp $IN >> $OUT
@@ -68,8 +68,10 @@ BOMBER=$(grep -e '^bomber: ' -m 1 $IN | cut -f 2- -d ' ' | sedesc)
 sed "s/<div class=\"bomber\">/&${BOMBER}/1" -i'' $OUT
 printf "[ok] \tbomber: %s\n" "$(echo "$BOMBER" | unesc)"
 
-MDATE=$(stat -c '%y' $IN | sed -e 's/\.[0-9]* //' -e 's/\(..\)\(..\)$/\1:\2/')	# format: "yyyy-mm-dd hh:mm:ss±zz:zz" (ISO 8601)
-DATE=$(echo $MDATE | cut -f 1 -d ' ' | sed -e 's/-//g' -e 's/^..//')		# format: "yymmdd" (for humans)
+# format: "yyyy-mm-dd hh:mm:ss±zz:zz" (ISO 8601)
+MDATE=$(stat -c '%y' $IN | sed -e 's/\.[0-9]* //' -e 's/\(..\)\(..\)$/\1:\2/')
+# format: "yymmdd" (for humans)
+DATE=$(echo $MDATE | cut -f 1 -d ' ' | sed -e 's/-//g' -e 's/^..//')
 sed -e "s;<div class=\"ident\"><time datetime=\";&${MDATE};1" -e "s;</time>;${DATE}&;1" -i'' $OUT
 sed "s;<meta http-equiv=\"last-modified\" content=\";&${MDATE};1" -i'' $OUT
 printf "[ok] \tdate: %s (%s)\n" "$DATE" "$MDATE"
@@ -109,21 +111,24 @@ done
 
 toc() {
 
-[ $(which fzy) ] || { printf "[warn] \tfzy not found, skipping toc\n" ; return ; }
-[ -f ./urlencode ] || { printf "[warn] \turlencode not found, skipping toc\n" ; return ; }
+[ $(which fzy) ] ||	{ printf "[warn] \tfzy not found, skipping toc\n" ;		return ; }
+[ -f ./urlencode ] ||	{ printf "[warn] \turlencode not found, skipping toc\n" ;	return ; }
 
-tmp=$(mktemp -p /tmp) # using a tempfile, more convenient for storage and operations
-
-TOCLIST=$(grep -e '^#' $IN | sed -e 's; ;- ;' -e 's;^#;;' -e 's;#;	;g') # headers from source as md list
+# tempfiles are more convenient for storage and operations
+tmp=$(mktemp -p /tmp) 
+# headers from source as md list
+TOCLIST=$(grep -e '^#' $IN | sed -e 's; ;- ;' -e 's;^#;;' -e 's;#;	;g')
 
 echo "$TOCLIST" | while IFS='' read -r data ; do # encode headers as urls
 	HEADER=$(echo "$data" | sed 's/^[[:space:]-]*//' | encode) ;
 	echo "$data" | sed "s/^\([[:space:]-]*\)\(.*\)$/\1${HEADER}/" >> $tmp ;
 done
 
-buffer=$(cat $tmp) ; echo "$buffer" | lowdown -Thtml > $tmp # convert to html, write to tempfile (reset)
+# convert to html, write to tempfile (reset)
+buffer=$(cat $tmp) ; echo "$buffer" | lowdown -Thtml > $tmp 
 
-sed -e '1i <nav class="toc">' -e '/^$/d' -i'' $tmp # prepend starting tag, remove empty lines
+# prepend starting tag, remove empty lines
+sed -e '1i <nav class="toc">' -e '/^$/d' -i'' $tmp 
 
 cat $tmp | while IFS='' read -r data ; do
 	# get header (both encoded and raw), write as link
@@ -133,28 +138,23 @@ cat $tmp | while IFS='' read -r data ; do
 
 	# find old id in output, replace with new id
 	IDLINE=$(grep -ne "^<h[[:digit:]] id=" $OUT | fzy -e "$(echo $HEADER | unesc)" | head -n 1 | cut -f 1 -d :) ;
-	if [ "$HEADER" = "<ul>" ] ; then
-		IDLINE="" ;
-	fi ;
-	if [ "$HEADER" = "</ul></li>" ] ; then
-		IDLINE="" ;
-	fi ;
-	if [ "$HEADER" = "</ul>" ] ; then
-		IDLINE="" ;
-	fi ;	# TODO use case expr instead
-	if [ "$IDLINE" ] ; then
-		sed "${IDLINE}s;id=\".*\">.*</h;id=\"${ID}\">${HEADER}</h;" -i'' $OUT ;
-		printf "\tassembled header: %s\n" "$(echo $HEADER | unesc)" ;
- 	fi ;
+	case "$HEADER" in	# filter out bad tag matches
+		("<nav class=\"toc\">")	;;
+		("<ul>")		;;
+		("</ul></li>")		;;
+		("</ul>")		;;
+		("</nav>")		;;
+		(*)	
+			sed "${IDLINE}s;id=\".*\">.*</h;id=\"${ID}\">${HEADER}</h;" -i'' $OUT ;
+			printf "\tassembled header: %s\n" "$(echo $HEADER | unesc)" ;;
+	esac ;
 done
 
 # close link tags on open lines, append closing tag
-
 sed "s;[[:alnum:]]$;&</a>;" -i'' $tmp
 echo '</nav>' >> $tmp
 
 # get toc line number in output, insert data from tempfile
-
 TOCLINE=$(wc -l md-header | cut -f 1 -d ' ')
 sed "${TOCLINE}r $tmp" -i'' $OUT
 
@@ -224,34 +224,25 @@ printf "[ok] \tmath typesetting\n"
 
 
 opts=$(grep -e '^opts: ' -m 1 $IN | cut -f 2- -d ' ')
-while [ "$opts" ]; do
+while [ "$opts" ] ; do
 case "$opts" in
 	(*[Cc]*)
 		toc
-		opts=$(echo $opts | sed 's/[Cc]//g')
-	;;
-
+		opts=$(echo $opts | sed 's/[Cc]//g') ;;
 	(*[Ff]*)
 		sed "/^<footer>/,/^<\/footer>/d" -i'' $OUT
 		printf "[ok] \tfooterless\n"
-		opts=$(echo $opts | sed 's/[Ff]//g')
-	;;
-
+		opts=$(echo $opts | sed 's/[Ff]//g') ;;
 	(*[Hh]*)
 		sed -e "/^<header>/,/^<\/header>/d" -e '/^<meta name="description"/d' -i'' $OUT
 		sed "/bg.js/d" -i'' $OUT
 		printf "[ok] \theaderless\n"
-		opts=$(echo $opts | sed 's/[Hh]//g')
-	;;
-
+		opts=$(echo $opts | sed 's/[Hh]//g') ;;
 	(*[Mm]*)
 		math
-		opts=$(echo $opts | sed 's/[Mm]//g')
-	;;
-
+		opts=$(echo $opts | sed 's/[Mm]//g') ;;
 	(*)
-		printf "[warn] \tmetadata: unrecognized option(s) \"%s\"\n" "${opts}" 
-	;;
+		printf "[warn] \tmetadata: unrecognized option(s) \"%s\"\n" "${opts}" ;;
 esac
 done
 
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