#!/bin/bash

PATH=$HOME/bin:$PATH

function getvar() {
	varname=$1
	xform=$2
	xsltproc --nonet --novalid --param q "/*[local-name()='stylesheet']/*[local-name()='variable' or local-name()='param'][ @name = '$varname' ]/@select" query.xslt "$xform"
}

cd $( dirname $0 )

for name in "$@" ; do
	if [ "${name##*.}" = 'xslt' ] ; then
		FEED="${name%.xslt}".atom
		TEMPFILE=$( mktemp "$FEED".XXXXXX )

		SOURCE=$( getvar source-url $name )
		NOTIDY=$( getvar no-tidy $name )
		INPUT=-

		if [ "$SOURCE" ] && ((NOTIDY)) ; then
			INPUT=$SOURCE
		fi

		if [ -z "$SOURCE" ] ; then
			echo '<null/>'
		elif [ "$SOURCE" ] && ! ((NOTIDY)) ; then
			TIDYARG=$( getvar tidy-arg $name )
			http_proxy= wget -qO - "$SOURCE" | tidy -q -config xhtmlize.tidy $TIDYARG -
		fi |
		xsltproc --novalid $name "$INPUT" 1> "$TEMPFILE" 2> /dev/null

		if [ -s "$TEMPFILE" ] ;	then
			mv "$TEMPFILE" "$FEED"
			chmod 644 "$FEED"
		else
			date +"%F %R: Error scraping $name, $TEMPFILE is empty" 2>&1
			rm "$TEMPFILE"
		fi
	elif [ -x "$name" ] ; then
		http_proxy= wget -qO - "$( "./$name" --url )" | "./$name" 1> "${name}".atom 2> /dev/null
	fi
done