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normalize string option parsing code

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This commit is contained in:
Kurtis Rader 2017-06-08 20:56:24 -07:00
parent 238a49b6f0
commit 57184a8ed9
1 changed files with 99 additions and 133 deletions
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232
src/builtin_string.cpp
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@ -94,22 +94,16 @@ static const wchar_t *string_get_arg(int *argidx, wchar_t **argv, wcstring *stor
}
static int string_escape(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L"n";
const struct woption long_options[] = {{L"no-quoted", no_argument, 0, 'n'}, {0, 0, 0, 0}};
escape_flags_t flags = ESCAPE_ALL;
static const wchar_t *short_options = L"n";
static const struct woption long_options[] = {{L"no-quoted", no_argument, NULL, 'n'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
for (;;) {
int opt = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (opt == -1) {
break;
}
switch (opt) {
case 0: {
break;
}
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) { //!OCLINT(too few branches)
case 'n': {
flags |= ESCAPE_NO_QUOTED;
break;
@ -119,7 +113,7 @@ static int string_escape(parser_t &parser, io_streams_t &streams, int argc, wcha
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -144,32 +138,26 @@ static int string_escape(parser_t &parser, io_streams_t &streams, int argc, wcha
}
static int string_join(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L"q";
const struct woption long_options[] = {{L"quiet", no_argument, 0, 'q'}, {0, 0, 0, 0}};
bool quiet = false;
static const wchar_t *short_options = L"q";
static const struct woption long_options[] = {{L"quiet", no_argument, NULL, 'q'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
for (;;) {
int opt = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (opt == -1) {
break;
}
switch (opt) {
case 0: {
break;
}
case 'q': {
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) { //!OCLINT(too few branches)
case L'q': {
quiet = true;
break;
}
case '?': {
case L'?': {
string_unknown_option(parser, streams, argv[0], argv[w.woptind - 1]);
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -207,31 +195,26 @@ static int string_join(parser_t &parser, io_streams_t &streams, int argc, wchar_
}
static int string_length(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L"q";
const struct woption long_options[] = {{L"quiet", no_argument, 0, 'q'}, {0, 0, 0, 0}};
bool quiet = false;
wgetopter_t w;
for (;;) {
int opt = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (opt == -1) {
break;
}
switch (opt) {
case 0: {
break;
}
case 'q': {
static const wchar_t *short_options = L"q";
static const struct woption long_options[] = {{L"quiet", no_argument, NULL, 'q'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) { //!OCLINT(too few branches)
case L'q': {
quiet = true;
break;
}
case '?': {
case L'?': {
string_unknown_option(parser, streams, argv[0], argv[w.woptind - 1]);
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -513,15 +496,16 @@ class pcre2_matcher_t : public string_matcher_t {
static int string_match(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
wchar_t *cmd = argv[0];
const wchar_t *short_options = L"aeinqrv";
const struct woption long_options[] = {
bool regex = false;
match_options_t opts;
static const wchar_t *short_options = L"aeinqrv";
static const struct woption long_options[] = {
{L"all", no_argument, NULL, 'a'}, {L"entire", no_argument, NULL, 'e'},
{L"ignore-case", no_argument, NULL, 'i'}, {L"index", no_argument, NULL, 'n'},
{L"invert", no_argument, NULL, 'v'}, {L"quiet", no_argument, NULL, 'q'},
{L"regex", no_argument, NULL, 'r'}, {NULL, 0, NULL, 0}};
match_options_t opts;
bool regex = false;
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, NULL)) != -1) {
@ -643,25 +627,25 @@ class literal_replacer_t : public string_replacer_t {
bool replace_matches(const wchar_t *arg);
};
static wcstring interpret_escapes(const wchar_t *orig) {
wcstring result;
while (*orig != L'\0') {
if (*orig == L'\\') {
orig += read_unquoted_escape(orig, &result, true, false);
} else {
result += *orig;
orig++;
}
}
return result;
}
class regex_replacer_t : public string_replacer_t {
compiled_regex_t regex;
wcstring replacement;
static wcstring interpret_escapes(const wchar_t *orig) {
wcstring result;
while (*orig != L'\0') {
if (*orig == L'\\') {
orig += read_unquoted_escape(orig, &result, true, false);
} else {
result += *orig;
orig++;
}
}
return result;
}
public:
regex_replacer_t(const wchar_t *argv0, const wchar_t *pattern, const wchar_t *replacement_,
const replace_options_t &opts, io_streams_t &streams)
@ -757,14 +741,15 @@ bool regex_replacer_t::replace_matches(const wchar_t *arg) {
}
static int string_replace(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L"afiqr";
const struct woption long_options[] = {
bool regex = false;
replace_options_t opts;
static const wchar_t *short_options = L"afiqr";
static const struct woption long_options[] = {
{L"all", no_argument, NULL, 'a'}, {L"filter", no_argument, NULL, 'f'},
{L"ignore-case", no_argument, NULL, 'i'}, {L"quiet", no_argument, NULL, 'q'},
{L"regex", no_argument, 0, 'r'}, {NULL, 0, NULL, 0}};
replace_options_t opts;
bool regex = false;
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, NULL)) != -1) {
@ -864,26 +849,20 @@ void split_about(ITER haystack_start, ITER haystack_end, ITER needle_start, ITER
}
static int string_split(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L":m:qr";
const struct woption long_options[] = {{L"max", required_argument, 0, 'm'},
{L"quiet", no_argument, 0, 'q'},
{L"right", no_argument, 0, 'r'},
{0, 0, 0, 0}};
long max = LONG_MAX;
bool quiet = false;
bool right = false;
wgetopter_t w;
for (;;) {
int c = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (c == -1) {
break;
}
switch (c) {
case 0: {
break;
}
static const wchar_t *short_options = L":m:qr";
static const struct woption long_options[] = {{L"max", required_argument, 0, 'm'},
{L"quiet", no_argument, 0, 'q'},
{L"right", no_argument, 0, 'r'},
{0, 0, 0, 0}};
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) {
case 'm': {
max = fish_wcstol(w.woptarg);
if (errno) {
@ -909,7 +888,7 @@ static int string_split(parser_t &parser, io_streams_t &streams, int argc, wchar
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -986,20 +965,20 @@ static wcstring wcsrepeat_until(const wcstring &to_repeat, size_t max) {
}
static int string_repeat(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L":n:m:Nq";
const struct woption long_options[] = {{L"count", required_argument, 0, 'n'},
{L"max", required_argument, 0, 'm'},
{L"no-newline", no_argument, 0, 'N'},
{L"quiet", no_argument, 0, 'q'},
{0, 0, 0, 0}};
size_t count = 0;
size_t max = 0;
bool newline = true;
bool quiet = false;
static const wchar_t *short_options = L":n:m:Nq";
static const struct woption long_options[] = {{L"count", required_argument, NULL, 'n'},
{L"max", required_argument, NULL, 'm'},
{L"no-newline", no_argument, NULL, 'N'},
{L"quiet", no_argument, NULL, 'q'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) {
case 'n': {
@ -1044,7 +1023,7 @@ static int string_repeat(parser_t &parser, io_streams_t &streams, int argc, wcha
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -1077,27 +1056,20 @@ static int string_repeat(parser_t &parser, io_streams_t &streams, int argc, wcha
}
static int string_sub(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L":l:qs:";
const struct woption long_options[] = {{L"length", required_argument, 0, 'l'},
{L"quiet", no_argument, 0, 'q'},
{L"start", required_argument, 0, 's'},
{0, 0, 0, 0}};
long start = 0;
long length = -1;
bool quiet = false;
static const wchar_t *short_options = L":l:qs:";
static const struct woption long_options[] = {{L"length", required_argument, NULL, 'l'},
{L"quiet", no_argument, NULL, 'q'},
{L"start", required_argument, NULL, 's'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
for (;;) {
int c = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (c == -1) {
break;
}
switch (c) {
case 0: {
break;
}
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) {
case 'l': {
length = fish_wcstol(w.woptarg);
if (length < 0 || errno == ERANGE) {
@ -1135,7 +1107,7 @@ static int string_sub(parser_t &parser, io_streams_t &streams, int argc, wchar_t
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}
@ -1182,27 +1154,21 @@ static int string_sub(parser_t &parser, io_streams_t &streams, int argc, wchar_t
}
static int string_trim(parser_t &parser, io_streams_t &streams, int argc, wchar_t **argv) {
const wchar_t *short_options = L":c:lqr";
const struct woption long_options[] = {{L"chars", required_argument, 0, 'c'},
{L"left", no_argument, 0, 'l'},
{L"quiet", no_argument, 0, 'q'},
{L"right", no_argument, 0, 'r'},
{0, 0, 0, 0}};
bool do_left = 0, do_right = 0;
bool quiet = false;
wcstring chars_to_trim = L" \f\n\r\t";
wgetopter_t w;
for (;;) {
int c = w.wgetopt_long(argc, argv, short_options, long_options, 0);
if (c == -1) {
break;
}
switch (c) {
case 0: {
break;
}
static const wchar_t *short_options = L":c:lqr";
static const struct woption long_options[] = {{L"chars", required_argument, NULL, 'c'},
{L"left", no_argument, NULL, 'l'},
{L"quiet", no_argument, NULL, 'q'},
{L"right", no_argument, NULL, 'r'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long_only(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) {
case 'c': {
chars_to_trim = w.woptarg;
break;
@ -1228,7 +1194,7 @@ static int string_trim(parser_t &parser, io_streams_t &streams, int argc, wchar_
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
DIE("unexpected retval from wgetopt_long_only");
break;
}
}