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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/helper/test-string-list.c | |
parent | Initial commit. (diff) | |
download | git-17a789943131483bc454986d1be6da6caaabce8c.tar.xz git-17a789943131483bc454986d1be6da6caaabce8c.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/helper/test-string-list.c')
-rw-r--r-- | t/helper/test-string-list.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/t/helper/test-string-list.c b/t/helper/test-string-list.c new file mode 100644 index 0000000..2123dda --- /dev/null +++ b/t/helper/test-string-list.c @@ -0,0 +1,129 @@ +#include "test-tool.h" +#include "cache.h" +#include "string-list.h" + +/* + * Parse an argument into a string list. arg should either be a + * ':'-separated list of strings, or "-" to indicate an empty string + * list (as opposed to "", which indicates a string list containing a + * single empty string). list->strdup_strings must be set. + */ +static void parse_string_list(struct string_list *list, const char *arg) +{ + if (!strcmp(arg, "-")) + return; + + (void)string_list_split(list, arg, ':', -1); +} + +static void write_list(const struct string_list *list) +{ + int i; + for (i = 0; i < list->nr; i++) + printf("[%d]: \"%s\"\n", i, list->items[i].string); +} + +static void write_list_compact(const struct string_list *list) +{ + int i; + if (!list->nr) + printf("-\n"); + else { + printf("%s", list->items[0].string); + for (i = 1; i < list->nr; i++) + printf(":%s", list->items[i].string); + printf("\n"); + } +} + +static int prefix_cb(struct string_list_item *item, void *cb_data) +{ + const char *prefix = (const char *)cb_data; + return starts_with(item->string, prefix); +} + +int cmd__string_list(int argc, const char **argv) +{ + if (argc == 5 && !strcmp(argv[1], "split")) { + struct string_list list = STRING_LIST_INIT_DUP; + int i; + const char *s = argv[2]; + int delim = *argv[3]; + int maxsplit = atoi(argv[4]); + + i = string_list_split(&list, s, delim, maxsplit); + printf("%d\n", i); + write_list(&list); + string_list_clear(&list, 0); + return 0; + } + + if (argc == 5 && !strcmp(argv[1], "split_in_place")) { + struct string_list list = STRING_LIST_INIT_NODUP; + int i; + char *s = xstrdup(argv[2]); + int delim = *argv[3]; + int maxsplit = atoi(argv[4]); + + i = string_list_split_in_place(&list, s, delim, maxsplit); + printf("%d\n", i); + write_list(&list); + string_list_clear(&list, 0); + free(s); + return 0; + } + + if (argc == 4 && !strcmp(argv[1], "filter")) { + /* + * Retain only the items that have the specified prefix. + * Arguments: list|- prefix + */ + struct string_list list = STRING_LIST_INIT_DUP; + const char *prefix = argv[3]; + + parse_string_list(&list, argv[2]); + filter_string_list(&list, 0, prefix_cb, (void *)prefix); + write_list_compact(&list); + string_list_clear(&list, 0); + return 0; + } + + if (argc == 3 && !strcmp(argv[1], "remove_duplicates")) { + struct string_list list = STRING_LIST_INIT_DUP; + + parse_string_list(&list, argv[2]); + string_list_remove_duplicates(&list, 0); + write_list_compact(&list); + string_list_clear(&list, 0); + return 0; + } + + if (argc == 2 && !strcmp(argv[1], "sort")) { + struct string_list list = STRING_LIST_INIT_NODUP; + struct strbuf sb = STRBUF_INIT; + struct string_list_item *item; + + strbuf_read(&sb, 0, 0); + + /* + * Split by newline, but don't create a string_list item + * for the empty string after the last separator. + */ + if (sb.len && sb.buf[sb.len - 1] == '\n') + strbuf_setlen(&sb, sb.len - 1); + string_list_split_in_place(&list, sb.buf, '\n', -1); + + string_list_sort(&list); + + for_each_string_list_item(item, &list) + puts(item->string); + + string_list_clear(&list, 0); + strbuf_release(&sb); + return 0; + } + + fprintf(stderr, "%s: unknown function name: %s\n", argv[0], + argv[1] ? argv[1] : "(there was none)"); + return 1; +} |