auto make_include_search_path()

in include/poac/util/stroite/core/builder.hpp [71:103]

• 31 lines of code
• 5 McCabe index (conditional complexity)

        auto make_include_search_path() {
            namespace fs = boost::filesystem;
            namespace naming = poac::core::naming;
            namespace exception = poac::core::exception;
            namespace lock = poac::core::lock;
            namespace yaml = poac::io::file::yaml;
            namespace io = poac::io::file;

            std::vector<std::string> include_search_path;
            if (deps_node) { // subcmd/build.hppで，存在確認が取れている
                if (const auto locked_deps = lock::load_ignore_timestamp()) {
                    for (const auto& [name, dep] : (*locked_deps).backtracked) {
                        const std::string current_package_name = naming::to_current(dep.source, name, dep.version);
                        const fs::path package_path = io::path::current_deps_dir / current_package_name;

                        if (const fs::path include_dir = package_path / "include"; fs::exists(include_dir)) {// io::file::path::validate_dir??
                            include_search_path.push_back(include_dir.string());
                        }
                        else {
                            throw exception::error(
                                    name + " is not installed.\n"
                                           "Please build after running `poac install`");
                        }
                    }
                }
                else {
                    throw exception::error(
                            "Could not load poac.lock.\n"
                            "Please build after running `poac install`");
                }
            }
            return include_search_path;
        }