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Prettify printing of uuids

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I know this a bit over the top, but I'm following reviewers' requests.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2018-10-02 15:15:10 +02:00
parent adda90b03e
commit 87d57be06f
1 changed files with 26 additions and 10 deletions
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src/shared/id128-print.c
+26 -10
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@@ -4,11 +4,15 @@
#include "sd-id128.h"
#include "alloc-util.h"
#include "id128-print.h"
#include "log.h"
#include "terminal-util.h"
int id128_pretty_print(sd_id128_t id, bool pretty) {
unsigned i;
_cleanup_free_ char *man_link = NULL, *mod_link = NULL;
const char *on, *off;
if (!pretty) {
printf(SD_ID128_FORMAT_STR "\n",
@@ -16,22 +20,34 @@ int id128_pretty_print(sd_id128_t id, bool pretty) {
return 0;
}
on = ansi_highlight();
off = ansi_normal();
if (terminal_urlify("man:systemd-id128(1)", "systemd-id128(1)", &man_link) < 0)
return log_oom();
if (terminal_urlify("https://docs.python.org/3/library/uuid.html", "uuid", &mod_link) < 0)
return log_oom();
printf("As string:\n"
SD_ID128_FORMAT_STR "\n\n"
"%s" SD_ID128_FORMAT_STR "%s\n\n"
"As UUID:\n"
"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n"
"As man:sd-id128(3) macro:\n"
"#define MESSAGE_XYZ SD_ID128_MAKE(",
SD_ID128_FORMAT_VAL(id),
SD_ID128_FORMAT_VAL(id));
"%s%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%s\n\n"
"As %s macro:\n"
"%s#define MESSAGE_XYZ SD_ID128_MAKE(",
on, SD_ID128_FORMAT_VAL(id), off,
on, SD_ID128_FORMAT_VAL(id), off,
man_link,
on);
for (i = 0; i < 16; i++)
printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
fputs(")\n\n", stdout);
printf(")%s\n\n", off);
printf("As Python constant:\n"
">>> import uuid\n"
">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n",
SD_ID128_FORMAT_VAL(id));
">>> import %s\n"
">>> %sMESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')%s\n",
mod_link,
on, SD_ID128_FORMAT_VAL(id), off);
return 0;
}