xmake-repo/packages/x/xproperty/xmake.lua

package("xproperty")
    set_kind("library", {headeronly = true})
    set_homepage("https://github.com/jupyter-xeus/xproperty")
    set_description("Traitlets-like C++ properties and implementation of the observer pattern")
    set_license("BSD-3-Clause")

    add_urls("https://github.com/jupyter-xeus/xproperty/archive/refs/tags/$(version).tar.gz",
             "https://github.com/jupyter-xeus/xproperty.git")

    add_versions("0.13.0", "41fa0e2b292e8e6d8ab98ec618a1e22ca6ebf1ea4bb6e51d3637a4b3c1360eaf")
    add_versions("0.12.1", "e8fd89e8b4bfd1631189654156dc9da4f668e011f8ccf8bc3fdd723479922b18")
    add_versions("0.12.0", "27cbc8e441dcc515a1ebbf11bad5ef240748d32f5e1adf84deed87a1dc57a440")

    add_deps("cmake")
    add_deps("nlohmann_json", {configs = {cmake = true}})

    on_install(function (package)
        import("package.tools.cmake").install(package, {"-DCMAKE_POLICY_DEFAULT_CMP0057=NEW"})
    end)

    on_test(function (package)
        local test
        if package:version():ge("0.13.0") then
            test = [[
                #include <xproperty/xobserved.hpp>
                struct Foo : public xp::xobserved
                {
                    XPROPERTY(double, Foo, bar);
                    XPROPERTY(double, Foo, baz);
                };
                void test() {
                    Foo foo;
                    foo.observe<Foo>(foo.bar.name(), [](Foo&) {});
                }
            ]]
        else
            test = [[
                #include <xproperty/xobserved.hpp>
                struct Foo : public xp::xobserved<Foo>
                {
                    XPROPERTY(double, Foo, bar);
                    XPROPERTY(double, Foo, baz);
                };
                void test() {
                    Foo foo;
                    XOBSERVE(foo, bar, [](Foo& f){});
                }
            ]]
        end
        assert(package:check_cxxsnippets({test = test}, {configs = {languages = "c++17"}}))
    end)