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Remove a gnarly macro from builtin_history

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This commit is contained in:
ridiculousfish 2018-08-12 02:33:44 -07:00
parent d87f00bdc9
commit 9b22ae7c74
1 changed files with 31 additions and 20 deletions
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51
src/builtin_history.cpp
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@ -22,10 +22,9 @@
enum hist_cmd_t { HIST_SEARCH = 1, HIST_DELETE, HIST_CLEAR, HIST_MERGE, HIST_SAVE, HIST_UNDEF };
// Must be sorted by string, not enum or random.
const enum_map<hist_cmd_t> hist_enum_map[] = {{HIST_CLEAR, L"clear"}, {HIST_DELETE, L"delete"},
{HIST_MERGE, L"merge"}, {HIST_SAVE, L"save"},
{HIST_SEARCH, L"search"}, {HIST_UNDEF, NULL}};
#define hist_enum_map_len (sizeof hist_enum_map / sizeof *hist_enum_map)
static const enum_map<hist_cmd_t> hist_enum_map[] = {
{HIST_CLEAR, L"clear"}, {HIST_DELETE, L"delete"}, {HIST_MERGE, L"merge"},
{HIST_SAVE, L"save"}, {HIST_SEARCH, L"search"}, {HIST_UNDEF, NULL}};
struct history_cmd_opts_t {
bool print_help = false;
@ -78,20 +77,21 @@ static bool set_hist_cmd(wchar_t *const cmd, hist_cmd_t *hist_cmd, hist_cmd_t su
return true;
}
#define CHECK_FOR_UNEXPECTED_HIST_ARGS(hist_cmd) \
if (opts.history_search_type_defined || opts.show_time_format || opts.null_terminate) { \
const wchar_t *subcmd_str = enum_to_str(hist_cmd, hist_enum_map); \
streams.err.append_format(_(L"%ls: you cannot use any options with the %ls command\n"), \
cmd, subcmd_str); \
status = STATUS_INVALID_ARGS; \
break; \
} \
if (args.size() != 0) { \
const wchar_t *subcmd_str = enum_to_str(hist_cmd, hist_enum_map); \
streams.err.append_format(BUILTIN_ERR_ARG_COUNT2, cmd, subcmd_str, 0, args.size()); \
status = STATUS_INVALID_ARGS; \
break; \
static bool check_for_unexpected_hist_args(const history_cmd_opts_t &opts, const wchar_t *cmd,
const wcstring_list_t &args, io_streams_t &streams) {
if (opts.history_search_type_defined || opts.show_time_format || opts.null_terminate) {
const wchar_t *subcmd_str = enum_to_str(opts.hist_cmd, hist_enum_map);
streams.err.append_format(_(L"%ls: you cannot use any options with the %ls command\n"), cmd,
subcmd_str);
return true;
}
if (args.size() != 0) {
const wchar_t *subcmd_str = enum_to_str(opts.hist_cmd, hist_enum_map);
streams.err.append_format(BUILTIN_ERR_ARG_COUNT2, cmd, subcmd_str, 0, args.size());
return true;
}
return false;
}
static int parse_cmd_opts(history_cmd_opts_t &opts, int *optind, //!OCLINT(high ncss method)
int argc, wchar_t **argv, parser_t &parser, io_streams_t &streams) {
@ -224,6 +224,7 @@ int builtin_history(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
// Note that this can be simplified after we eliminate allowing subcommands as flags.
// See the TODO above regarding the `long_options` array.
if (optind < argc) {
constexpr size_t hist_enum_map_len = sizeof hist_enum_map / sizeof *hist_enum_map;
hist_cmd_t subcmd = str_to_enum(argv[optind], hist_enum_map, hist_enum_map_len);
if (subcmd != HIST_UNDEF) {
if (!set_hist_cmd(cmd, &opts.hist_cmd, subcmd, streams)) {
@ -278,18 +279,28 @@ int builtin_history(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
break;
}
case HIST_CLEAR: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
if (check_for_unexpected_hist_args(opts, cmd, args, streams)) {
status = STATUS_INVALID_ARGS;
break;
}
history->clear();
history->save();
break;
}
case HIST_MERGE: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
if (check_for_unexpected_hist_args(opts, cmd, args, streams)) {
status = STATUS_INVALID_ARGS;
break;
}
history->incorporate_external_changes();
break;
}
case HIST_SAVE: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
if (check_for_unexpected_hist_args(opts, cmd, args, streams)) {
status = STATUS_INVALID_ARGS;
break;
}
history->save();
break;
}