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diff.c: move the diff filter bits definitions up a bit

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This prepares for a more careful handling of the `--diff-filter`
options over the next few commits.

This commit is best viewed with `--color-moved`.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2022-01-28 12:02:49 +00:00 committed by Junio C Hamano
parent d843e319f8
commit 4d4d4eaa7b
1 changed files with 37 additions and 37 deletions
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74
diff.c
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@ -4570,6 +4570,43 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
prep_parse_options(options);
}
static const char diff_status_letters[] = {
DIFF_STATUS_ADDED,
DIFF_STATUS_COPIED,
DIFF_STATUS_DELETED,
DIFF_STATUS_MODIFIED,
DIFF_STATUS_RENAMED,
DIFF_STATUS_TYPE_CHANGED,
DIFF_STATUS_UNKNOWN,
DIFF_STATUS_UNMERGED,
DIFF_STATUS_FILTER_AON,
DIFF_STATUS_FILTER_BROKEN,
'\0',
};
static unsigned int filter_bit['Z' + 1];
static void prepare_filter_bits(void)
{
int i;
if (!filter_bit[DIFF_STATUS_ADDED]) {
for (i = 0; diff_status_letters[i]; i++)
filter_bit[(int) diff_status_letters[i]] = (1 << i);
}
}
static unsigned filter_bit_tst(char status, const struct diff_options *opt)
{
return opt->filter & filter_bit[(int) status];
}
unsigned diff_filter_bit(char status)
{
prepare_filter_bits();
return filter_bit[(int) status];
}
void diff_setup_done(struct diff_options *options)
{
unsigned check_mask = DIFF_FORMAT_NAME |
@ -4774,43 +4811,6 @@ static int parse_dirstat_opt(struct diff_options *options, const char *params)
return 1;
}
static const char diff_status_letters[] = {
DIFF_STATUS_ADDED,
DIFF_STATUS_COPIED,
DIFF_STATUS_DELETED,
DIFF_STATUS_MODIFIED,
DIFF_STATUS_RENAMED,
DIFF_STATUS_TYPE_CHANGED,
DIFF_STATUS_UNKNOWN,
DIFF_STATUS_UNMERGED,
DIFF_STATUS_FILTER_AON,
DIFF_STATUS_FILTER_BROKEN,
'\0',
};
static unsigned int filter_bit['Z' + 1];
static void prepare_filter_bits(void)
{
int i;
if (!filter_bit[DIFF_STATUS_ADDED]) {
for (i = 0; diff_status_letters[i]; i++)
filter_bit[(int) diff_status_letters[i]] = (1 << i);
}
}
static unsigned filter_bit_tst(char status, const struct diff_options *opt)
{
return opt->filter & filter_bit[(int) status];
}
unsigned diff_filter_bit(char status)
{
prepare_filter_bits();
return filter_bit[(int) status];
}
static int diff_opt_diff_filter(const struct option *option,
const char *optarg, int unset)
{