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diff --color-moved: factor out function

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This code is quite heavily indented and having it in its own function
simplifies an upcoming change.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Phillip Wood 2021-12-09 10:29:57 +00:00 committed by Junio C Hamano
parent bea084ba41
commit 7dfe427107
1 changed files with 34 additions and 17 deletions
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51
diff.c
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@ -1098,6 +1098,38 @@ static int shrink_potential_moved_blocks(struct moved_block *pmb,
return rp + 1;
}
static void fill_potential_moved_blocks(struct diff_options *o,
struct hashmap *hm,
struct moved_entry *match,
struct emitted_diff_symbol *l,
struct moved_block **pmb_p,
int *pmb_alloc_p, int *pmb_nr_p)
{
struct moved_block *pmb = *pmb_p;
int pmb_alloc = *pmb_alloc_p, pmb_nr = *pmb_nr_p;
/*
* The current line is the start of a new block.
* Setup the set of potential blocks.
*/
hashmap_for_each_entry_from(hm, match, ent) {
ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
if (o->color_moved_ws_handling &
COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) {
if (compute_ws_delta(l, match->es, &(pmb[pmb_nr]).wsd))
pmb[pmb_nr++].match = match;
} else {
pmb[pmb_nr].wsd = 0;
pmb[pmb_nr++].match = match;
}
}
*pmb_p = pmb;
*pmb_alloc_p = pmb_alloc;
*pmb_nr_p = pmb_nr;
}
/*
* If o->color_moved is COLOR_MOVED_PLAIN, this function does nothing.
*
@ -1198,23 +1230,8 @@ static void mark_color_as_moved(struct diff_options *o,
pmb_nr = shrink_potential_moved_blocks(pmb, pmb_nr);
if (pmb_nr == 0) {
/*
* The current line is the start of a new block.
* Setup the set of potential blocks.
*/
hashmap_for_each_entry_from(hm, match, ent) {
ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
if (o->color_moved_ws_handling &
COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) {
if (compute_ws_delta(l, match->es,
&pmb[pmb_nr].wsd))
pmb[pmb_nr++].match = match;
} else {
pmb[pmb_nr].wsd = 0;
pmb[pmb_nr++].match = match;
}
}
fill_potential_moved_blocks(
o, hm, match, l, &pmb, &pmb_alloc, &pmb_nr);
if (adjust_last_block(o, n, block_length) &&
pmb_nr && last_symbol != l->s)
flipped_block = (flipped_block + 1) % 2;