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Switch lower/upper to wcstring

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Also, these are different only in that one uses "towlower", the other
"towupper". So just make one function that both call.
This commit is contained in:
Fabian Homborg 2018-01-11 16:04:28 +01:00
parent 191ca21092
commit 0cfe722a93
1 changed files with 12 additions and 25 deletions
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37
src/builtin_string.cpp
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@ -1327,8 +1327,8 @@ static int string_trim(parser_t &parser, io_streams_t &streams, int argc, wchar_
return ntrim > 0 ? STATUS_CMD_OK : STATUS_CMD_ERROR;
}
/// Implementation of `string lower`.
static int string_lower(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
// A helper function for lower and upper.
static int string_transform(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv, decltype(std::towlower) func) {
options_t opts;
opts.quiet_valid = true;
int optind;
@ -1337,10 +1337,10 @@ static int string_lower(parser_t &parser, io_streams_t &streams, int argc, wchar
int n_transformed = 0;
arg_iterator_t aiter(argv, optind, streams);
while (const wchar_t *arg = aiter.next()) {
wcstring transformed(arg);
std::transform(transformed.begin(), transformed.end(), transformed.begin(), std::towlower);
if (wcscmp(transformed.c_str(), arg)) n_transformed++;
while (auto arg = aiter.nextstr()) {
wcstring transformed(*arg);
std::transform(transformed.begin(), transformed.end(), transformed.begin(), func);
if (transformed != *arg) n_transformed++;
if (!opts.quiet) {
streams.out.append(transformed);
streams.out.append(L'\n');
@ -1350,27 +1350,14 @@ static int string_lower(parser_t &parser, io_streams_t &streams, int argc, wchar
return n_transformed > 0 ? STATUS_CMD_OK : STATUS_CMD_ERROR;
}
/// Implementation of `string lower`.
static int string_lower(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
return string_transform(parser, streams, argc, argv, std::towlower);
}
/// Implementation of `string upper`.
static int string_upper(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
options_t opts;
opts.quiet_valid = true;
int optind;
int retval = parse_opts(&opts, &optind, 0, argc, argv, parser, streams);
if (retval != STATUS_CMD_OK) return retval;
int n_transformed = 0;
arg_iterator_t aiter(argv, optind, streams);
while (const wchar_t *arg = aiter.next()) {
wcstring transformed(arg);
std::transform(transformed.begin(), transformed.end(), transformed.begin(), std::towupper);
if (wcscmp(transformed.c_str(), arg)) n_transformed++;
if (!opts.quiet) {
streams.out.append(transformed);
streams.out.append(L'\n');
}
}
return n_transformed > 0 ? STATUS_CMD_OK : STATUS_CMD_ERROR;
return string_transform(parser, streams, argc, argv, std::towupper);
}
static const struct string_subcommand {