truncate-html-readable.vtl

#macro( truncateHTML $html $words $textToAdd $contentAtVeryEnd )##
	#if( $UtilMethods.isSet($html) )##
		## DEFAULT VARS
	    #set( $inputHTML = '' )##
	    #set( $html = $html.replaceAll("\s+", ' ') )##
		#if( !$UtilMethods.isSet($words) )##
			#set( $words = 20 )##
		#end##
		##
		## WORD COUNT
		#set( $htmlArray = $html.split("\s") )##
	    #foreach($i in [0..$words])##
	      #set( $inputHTML = "$inputHTML $!{htmlArray.get($i)}" )##
	    #end##
	    ##
	    ##CHECK FOR BROKEN TAGS
	    #set( $tagArray = [] )##
		#foreach( $char in $inputHTML.split("<") )##
			#if( $UtilMethods.isSet($char) )##
				## FIND TAG
				#set( $endOfElementSpace = $char.indexOf(' ')+1 )##
				#set( $endOfElementCaret = $char.indexOf('>')+1 )##
				#if( $endOfElementSpace < $endOfElementCaret && $endOfElementSpace > 0 )##
					#set( $endOfElement = $endOfElementSpace )##
				#else##
					#set( $endOfElement = $endOfElementCaret )##
				#end##
				##
				## SET TAG AND ADD TO TAG ARRAY
				#set( $tag = $char.substring(0,$endOfElement) )##
				##$tag | $tag.matches("/?(br|hr|input)>")
				#if( $tag.matches("/?(br|hr|input)>") == false )##
					#if( $char.substring(0,1) == '/' )##
						#set( $_dummy = $tagArray.remove( $math.sub($tagArray.size(), 1) ) )##
					#else##
						#set( $_dummy = $tagArray.add( $tag ) )##
					#end## $char.substring
				#end## search( "(br|hr|input)" )
			#end## isSet $char
		#end## foreach $char
		##
		## REPAIR BROKEN TAGS
		#set( $fixedHTML = $inputHTML )##
		#if( $UtilMethods.isSet($textToAdd) )##
		#set( $fixedHTML = "${fixedHTML}${textToAdd}" )##
		#end##
		#if( $tagArray.size() > 0 )##
			#foreach( $tagNum in [$math.sub($tagArray.size(),1)..0] )##
				#set( $tag = $tagArray.get($tagNum).replaceAll(">| ", '') )##
				#if( $UtilMethods.isSet($contentAtVeryEnd) && $tagNum == 0 )##
					#set( $fixedHTML = "${fixedHTML}${contentAtVeryEnd}</${tag}>" )##
				#end##
				#set( $fixedHTML = "${fixedHTML}</${tag}>" )##
			#end##
		#end##
		$fixedHTML
	#end## isset $html
#end## truncateHTML