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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

#DOCS_BUILDER="mkdocs"
# Needs unpackaged plantuml-markdown too
# ... but plantuml (Python bindings anyway) need network access to generate bits at runtime.
#DOCS_DEPEND="dev-python/mkdocs-material-extensions dev-python/mkdocs-minify-plugin"
#DOCS_DIR="doc/mkdocs"
inherit cmake

# Check https://github.com/nlohmann/json/blob/develop/cmake/download_test_data.cmake to find test archive version
TEST_VERSION="3.1.0"
DESCRIPTION="JSON for Modern C++"
HOMEPAGE="https://github.com/nlohmann/json https://nlohmann.github.io/json/"
SRC_URI="
	https://github.com/nlohmann/json/archive/v${PV}.tar.gz -> ${P}.tar.gz
	test? ( https://github.com/nlohmann/json_test_data/archive/v${TEST_VERSION}.tar.gz -> ${PN}-testdata-${TEST_VERSION}.tar.gz )"
S="${WORKDIR}/json-${PV}"

LICENSE="MIT"
SLOT="0"
KEYWORDS="amd64 ~arm arm64 ppc ppc64 ~riscv x86"
IUSE="test"
RESTRICT="!test? ( test )"

DOCS=( ChangeLog.md README.md )

src_prepare() {
	if use test ; then
		ln -s "${WORKDIR}"/json_test_data-${TEST_VERSION} "${S}"/json_test_data || die
	fi

	cmake_src_prepare
}

src_configure() {
	# Tests are built by default so we can't group the test logic below
	local mycmakeargs=(
		-DJSON_MultipleHeaders=ON
		-DJSON_BuildTests=$(usex test)
	)

	# Define test data directory here to avoid unused var QA warning, bug #747826
	use test && mycmakeargs+=( -DJSON_TestDataDirectory="${S}"/json_test_data )

	cmake_src_configure
}

src_test() {
	cd "${BUILD_DIR}"/tests || die

	# git_required:
	# Skip certain tests needing git per upstream
	# https://github.com/nlohmann/json/issues/2189
	#
	# cmake_fetch_content_configure, cmake_fetch_content2_configure:
	# Needs network (bug #865027, bug #865105)
	local myctestargs=(
		-E "(git_required|cmake_fetch_content_configure|cmake_fetch_content2_configure|cmake_fetch_content_build|cmake_fetch_content2_build)"
	)

	cmake_src_test
}