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xkb2ifcfg: detect and log initialization errors

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This commit is contained in:
Christian Helmuth 2019-09-03 09:00:31 +02:00
parent 36111a2edf
commit 19bf0fdeb8
1 changed files with 26 additions and 6 deletions
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32
tool/xkb2ifcfg/main.cc
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@ -246,6 +246,13 @@ struct Args
class Main
{
public:
/* initialization-failure exceptions */
struct Xkb_init_failed { };
struct Keymap_init_failed { };
struct Compose_init_failed { };
private:
struct Map;
@ -808,13 +815,19 @@ int Main::exec()
Main::Main(int argc, char **argv) : args(argc, argv)
{
/* TODO error handling */
_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
_rmlvo = { "evdev", "pc105", args.layout, args.variant, "" };
_keymap = xkb_keymap_new_from_names(_context, &_rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS);
_state = xkb_state_new(_keymap);
_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!_context) throw Xkb_init_failed();
_rmlvo = { "evdev", "pc105", args.layout, args.variant, "" };
_keymap = xkb_keymap_new_from_names(_context, &_rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS);
if (!_keymap) throw Keymap_init_failed();
_state = xkb_state_new(_keymap);
if (!_state) throw Keymap_init_failed();
_compose_table = xkb_compose_table_new_from_locale(_context, args.locale, XKB_COMPOSE_COMPILE_NO_FLAGS);
if (!_compose_table) throw Compose_init_failed();
_compose_state = xkb_compose_state_new(_compose_table, XKB_COMPOSE_STATE_NO_FLAGS);
if (!_compose_state) throw Compose_init_failed();
_numlock.construct(_state);
}
@ -838,5 +851,12 @@ int main(int argc, char **argv)
static Main m(argc, argv);
return m.exec();
} catch (...) { return -1; }
}
catch (Main::Compose_init_failed &) {
::perror("Error: compose init failed (invalid locale?)"); return -4; }
catch (Main::Keymap_init_failed &) {
::perror("Error: keymap init failed (invalid layout or variant?)"); return -3; }
catch (Main::Xkb_init_failed &) {
::perror("Error: libxkbcommon init failed"); return -2; }
catch (...) { return -1; }
}