# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit dune

DESCRIPTION="An OCaml lexer generator for Unicode"
HOMEPAGE="https://github.com/ocaml-community/sedlex"
SRC_URI="https://github.com/ocaml-community/${PN}/archive/v${PV}.tar.gz
			-> ${P}.tar.gz"

FILES=( DerivedCoreProperties extracted/DerivedGeneralCategory PropList )
for file in ${FILES[@]} ; do
	SRC_URI+=" https://www.unicode.org/Public/12.1.0/ucd/${file}.txt
				-> ${P}-${file##*/}.txt"
done

LICENSE="MIT"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86"
IUSE="+ocamlopt"

DEPEND="
	dev-ml/gen:=
	dev-ml/ppxlib:=
	dev-ml/uchar:=
"
RDEPEND="${DEPEND}"

src_unpack() {
	unpack "${P}.tar.gz"

	local file
	for file in ${FILES[@]} ; do
		ebegin "Copying ${file}"
		cp "${DISTDIR}/${P}-${file##*/}.txt"  \
		   "${S}/src/generator/data/${file##*/}.txt"
		eend $? || die
	done
}

src_prepare() {
	default

	# Remove dune file with rules to download additional txt files
	rm "${S}/src/generator/data/dune" || die
}