# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils

DESCRIPTION="MathML DTD and entity files."
HOMEPAGE="http://www.w3.org/1998/Math/MathML"
SRC_URI="http://www.w3.org/Math/DTD/mathml2.tgz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"
IUSE=""

RDEPEND=""
DEPEND="dev-libs/libxml2
	${RDEPEND}"

RESTRICT="nomirror"

S="${WORKDIR}/mathml2"

INSTDIR="/usr/share/sgml/mathml/${P}"

src_install() {
	insinto ${INSTDIR}
	doins *
}

pkg_postinst() {
	local root_catalog=/etc/xml/catalog
	local mathml_catalog=/etc/xml/mathml

	[ ! -e /etc/xml ] && mkdir -p /etc/xml/
	if [[ ! -r "${root_catalog}" ]] ; then
		einfo "Creating root XML catalog"
		xmlcatalog --noout --create "${root_catalog}" 
		[ ! -r "${root_catalog}" ] && die "Failed creating Root XML Catalog"
	fi

	einfo "Cleaning Root XML Catalog"
	xmlcatalog --noout \
		--del "-//W3C//DTD MathML" \
		--del "-//W3C//ENTITIES" \
		--del "http://www.w3.org/TR/2001/REC-MathML2-20010221/dtd" \
		"${root_catalog}"

	einfo "Updating Root XML Catalog"
	xmlcatalog --noout \
		--add "delegatePublic" "-//W3C//DTD MathML" "file:///etc/xml/mathml" \
		--add "delegatePublic" "-//W3C//ENTITIES" "file:///etc/xml/mathml" \
		--add "delegateURI" "http://www.w3.org/TR/2001/REC-MathML2-20010221/dtd" "file:///etc/xml/mathml" \
		"${root_catalog}"

	if [[ ! -r "${root_catalog}" ]] ; then
		einfo "Creating MathML catalog"
		xmlcatalog --noout --create "${mathml_catalog}" 
		[ ! -r "${mathml_catalog}" ] && die "Failed creating Root XML Catalog"
	fi

	# die "Scrappy one liner"
	ENTITIES=`cat "${S}/mathml2.dtd" | grep -A1 -E "(SYSTEM|PUBLIC) \"" | grep -v -E "^$" | sed -r 's/^ +//' | sed -r 's/( |)>( |)$//' | sed 's/SYSTEM //' | sed -r 's/--//'`
	echo ${ENTITIES} | sed -r 's/(PUBLIC |SYSTEM )/\n/g' | grep -v -E '$^' | sed -r 's/^//' | sed "s%\" \"%\" \"file://${INSTDIR}/%" | awk "{system(\"/usr/bin/xmlcatalog --noout --add \\\"public\\\" \"\$0\" ${mathml_catalog}\")}"
	
	xmlcatalog --noout \
		-add "rewriteURI" "http://www.w3.org/TR/2001/REC-MathML2-20010221/dtd" "file://${INSTDIR}" \
		"${mathml_catalog}"
	elog "MathML DTD included in XML catalog"
}

pkg_postrm() {
	einfo "Cleaning Root XML Catalog"
	xmlcatalog --noout \
		--del "-//W3C//DTD MathML" \
		--del "-//W3C//ENTITIES" \
		--del "http://www.w3.org/TR/2001/REC-MathML2-20010221/dtd" \
		"${root_catalog}"
	elog "MathML DTD removed from XML catalog"
}