diff options
Diffstat (limited to 'nihil.cli/command.cc')
| -rw-r--r-- | nihil.cli/command.cc | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/nihil.cli/command.cc b/nihil.cli/command.cc deleted file mode 100644 index 6271cc6..0000000 --- a/nihil.cli/command.cc +++ /dev/null @@ -1,44 +0,0 @@ -// This source code is released into the public domain. -module; - -// For EX_USAGE. While <sysexits.h> is deprecated, there's no other standard -// exit code for 'usage error'; some programs use 2 (common on Linux), but -// 2 is also used for many other exit codes. -#include <sysexits.h> - -module nihil.cli; - -import nihil.std; -import nihil.error; -import :registry; - -namespace nihil { - -//NOLINTNEXTLINE(bugprone-easily-swappable-parameters) -command::command(std::string_view path, std::string_view usage, - command_function_t handler) - : command_node(path) - , m_usage(usage) - , m_handler(std::move(handler)) -{ - register_command(this); -} - -auto command::usage(this command const &self) noexcept -> std::string_view -{ - return self.m_usage; -} - -auto command::invoke(int argc, char **argv) const - -> std::expected<int, error> -{ - try { - return std::invoke(m_handler, argc, argv); - } catch (usage_error const &err) { - std::print(std::cerr, "{}\n", err.what()); - std::print(std::cerr, "usage: {} {}", path(), usage()); - return EX_USAGE; - } -} - -} // namespace nihil |
