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pretty: refactor `format_sanitized_subject()` 

The function 'format_sanitized_subject()' is responsible for
sanitized subject line in pretty.c
e.g.
the subject line
the-sanitized-subject-line

It would be a nice enhancement to `subject` atom to have the
same feature. So in the later commits, we plan to add this feature
to ref-filter.

Refactor `format_sanitized_subject()`, so it can be reused in
ref-filter.c for adding new modifier `sanitize` to "subject" atom.

Currently, the loop inside `format_sanitized_subject()` runs
until `\n` is found. But now, we stored the first occurrence
of `\n` in a variable `eol` and passed it in
`format_sanitized_subject()`. And the loop runs upto `eol`.

Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Hariom Verma 2020-08-21 21:41:49 +00:00 committed by Junio C Hamano
parent 26bc0aaf99
commit 47d4676ac8
2 changed files with 14 additions and 9 deletions
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20
pretty.c
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@ -839,21 +839,22 @@ static int istitlechar(char c)
(c >= '0' && c <= '9') || c == '.' || c == '_';
}
static void format_sanitized_subject(struct strbuf *sb, const char *msg)
void format_sanitized_subject(struct strbuf *sb, const char *msg, size_t len)
{
size_t trimlen;
size_t start_len = sb->len;
int space = 2;
int i;
for (; *msg && *msg != '\n'; msg++) {
if (istitlechar(*msg)) {
for (i = 0; i < len; i++) {
if (istitlechar(msg[i])) {
if (space == 1)
strbuf_addch(sb, '-');
space = 0;
strbuf_addch(sb, *msg);
if (*msg == '.')
while (*(msg+1) == '.')
msg++;
strbuf_addch(sb, msg[i]);
if (msg[i] == '.')
while (msg[i+1] == '.')
i++;
} else
space |= 1;
}
@ -1155,7 +1156,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
const struct commit *commit = c->commit;
const char *msg = c->message;
struct commit_list *p;
const char *arg;
const char *arg, *eol;
size_t res;
char **slot;
@ -1405,7 +1406,8 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
format_subject(sb, msg + c->subject_off, " ");
return 1;
case 'f': /* sanitized subject */
format_sanitized_subject(sb, msg + c->subject_off);
eol = strchrnul(msg + c->subject_off, '\n');
format_sanitized_subject(sb, msg + c->subject_off, eol - (msg + c->subject_off));
return 1;
case 'b': /* body */
strbuf_addstr(sb, msg + c->body_off);

3
pretty.h
View File

@ -139,4 +139,7 @@ const char *format_subject(struct strbuf *sb, const char *msg,
/* Check if "cmit_fmt" will produce an empty output. */
int commit_format_is_empty(enum cmit_fmt);
/* Make subject of commit message suitable for filename */
void format_sanitized_subject(struct strbuf *sb, const char *msg, size_t len);
#endif /* PRETTY_H */