grid: grid_row_{uri,curly}_range_put(): share code

grid_row_uri_range_put() and grid_row_curly_range_put() now share the
same base logic.

Range specific data is passed through a union, and range specific
checks are done through switched functions.
This commit is contained in:
Daniel Eklöf 2024-06-25 09:55:55 +02:00
parent 8e4ca90680
commit 6a0110446c
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F

250
grid.c
View file

@ -176,8 +176,17 @@ range_ensure_size(struct row_ranges *ranges, int count_to_add)
xassert(ranges->count + count_to_add <= ranges->size);
}
union range_data_for_insertion {
struct {
uint64_t id;
const char *uri;
} uri;
struct curly_range_data curly;
};
static void
range_insert(struct row_ranges *ranges, size_t idx, int start, int end)
range_insert(struct row_ranges *ranges, size_t idx, int start, int end,
enum row_range_type type, const union range_data_for_insertion *data)
{
range_ensure_size(ranges, 1);
@ -193,6 +202,17 @@ range_insert(struct row_ranges *ranges, size_t idx, int start, int end)
.start = start,
.end = end,
};
switch (type) {
case ROW_RANGE_URI:
ranges->v[idx].uri.id = data->uri.id;
ranges->v[idx].uri.uri = xstrdup(data->uri.uri);
break;
case ROW_RANGE_CURLY:
ranges->v[idx].curly = data->curly;
break;
}
}
/*
@ -203,17 +223,16 @@ static void
uri_range_insert(struct row_ranges *ranges, size_t idx, int start, int end,
uint64_t id, const char *uri)
{
range_insert(ranges, idx, start, end);
ranges->v[idx].uri.id = id;
ranges->v[idx].uri.uri = xstrdup(uri);
range_insert(ranges, idx, start, end, ROW_RANGE_URI,
&(union range_data_for_insertion){.uri = {.id = id, .uri = uri}});
}
static void
curly_range_insert(struct row_ranges *ranges, size_t idx, int start, int end,
struct curly_range_data data)
{
range_insert(ranges, idx, start, end);
ranges->v[idx].curly = data;
range_insert(ranges, idx, start, end, ROW_RANGE_CURLY,
&(union range_data_for_insertion){.curly = data});
}
static void
@ -1285,128 +1304,62 @@ grid_resize_and_reflow(
#endif
}
void
grid_row_uri_range_put(struct row *row, int col, const char *uri, uint64_t id)
static bool
ranges_match(const struct row_range *r1, const struct row_range *r2,
enum row_range_type type)
{
ensure_row_has_extra_data(row);
switch (type) {
case ROW_RANGE_URI:
/* TODO: also match URI? */
return r1->uri.id == r2->uri.id;
size_t insert_idx = 0;
bool replace = false;
bool run_merge_pass = false;
struct row_data *extra = row->extra;
for (int i = extra->uri_ranges.count - 1; i >= 0; i--) {
struct row_range *r = &extra->uri_ranges.v[i];
const bool matching_id = r->uri.id == id;
if (matching_id && r->end + 1 == col) {
/* Extend existing URI's tail */
r->end++;
goto out;
}
else if (r->end < col) {
insert_idx = i + 1;
break;
}
else if (r->start > col)
continue;
else {
xassert(r->start <= col);
xassert(r->end >= col);
if (matching_id)
goto out;
if (r->start == r->end) {
replace = true;
run_merge_pass = true;
insert_idx = i;
} else if (r->start == col) {
run_merge_pass = true;
r->start++;
insert_idx = i;
} else if (r->end == col) {
run_merge_pass = true;
r->end--;
insert_idx = i + 1;
} else {
xassert(r->start < col);
xassert(r->end > col);
uri_range_insert(
&extra->uri_ranges, i + 1, col + 1, r->end, r->uri.id, r->uri.uri);
/* The insertion may xrealloc() the vector, making our
* 'old' pointer invalid */
r = &extra->uri_ranges.v[i];
r->end = col - 1;
xassert(r->start <= r->end);
insert_idx = i + 1;
}
break;
}
case ROW_RANGE_CURLY:
return r1->curly.style == r2->curly.style &&
r1->curly.color_src == r2->curly.color_src &&
r1->curly.color == r2->curly.color;
}
xassert(insert_idx <= extra->uri_ranges.count);
if (replace) {
grid_row_uri_range_destroy(&extra->uri_ranges.v[insert_idx]);
extra->uri_ranges.v[insert_idx] = (struct row_range){
.start = col,
.end = col,
.uri = {
.id = id,
.uri = xstrdup(uri),
},
};
} else
uri_range_insert(&extra->uri_ranges, insert_idx, col, col, id, uri);
if (run_merge_pass) {
for (size_t i = 1; i < extra->uri_ranges.count; i++) {
struct row_range *r1 = &extra->uri_ranges.v[i - 1];
struct row_range *r2 = &extra->uri_ranges.v[i];
if (r1->uri.id == r2->uri.id && r1->end + 1 == r2->start) {
r1->end = r2->end;
range_delete(&extra->uri_ranges, ROW_RANGE_URI, i);
i--;
}
}
}
out:
verify_no_overlapping_ranges(extra);
verify_ranges_are_sorted(extra);
BUG("invalid range type");
return false;
}
void
grid_row_curly_range_put(struct row *row, int col, struct curly_range_data data)
static bool
range_match_data(const struct row_range *r,
const union range_data_for_insertion *data,
enum row_range_type type)
{
ensure_row_has_extra_data(row);
switch (type) {
case ROW_RANGE_URI:
return r->uri.id == data->uri.id;
case ROW_RANGE_CURLY:
return r->curly.style == data->curly.style &&
r->curly.color_src == data->curly.color_src &&
r->curly.color == data->curly.color;
}
BUG("invalid range type");
return false;
}
static void
grid_row_range_put(struct row_ranges *ranges, int col,
const union range_data_for_insertion *data,
enum row_range_type type)
{
size_t insert_idx = 0;
bool replace = false;
bool run_merge_pass = false;
struct row_data *extra = row->extra;
for (int i = extra->curly_ranges.count - 1; i >= 0; i--) {
struct row_range *r = &extra->curly_ranges.v[i];
for (int i = ranges->count - 1; i >= 0; i--) {
struct row_range *r = &ranges->v[i];
const bool matching = r->curly.style == data.style &&
r->curly.color_src == data.color_src &&
r->curly.color == data.color;
const bool matching = range_match_data(r, data, type);
if (matching && r->end + 1 == col) {
/* Extend existing curly tail */
/* Extend existing range tail */
r->end++;
goto out;
return;
}
else if (r->end < col) {
@ -1422,7 +1375,7 @@ grid_row_curly_range_put(struct row *row, int col, struct curly_range_data data)
xassert(r->end >= col);
if (matching)
goto out;
return;
if (r->start == r->end) {
replace = true;
@ -1440,12 +1393,13 @@ grid_row_curly_range_put(struct row *row, int col, struct curly_range_data data)
xassert(r->start < col);
xassert(r->end > col);
curly_range_insert(
&extra->curly_ranges, i + 1, col + 1, r->end, data);
range_insert(
ranges, i + 1, col + 1, r->end, type,
&(union range_data_for_insertion){.uri = {.id = r->uri.id, .uri = r->uri.uri}});
/* The insertion may xrealloc() the vector, making our
* 'old' pointer invalid */
r = &extra->curly_ranges.v[i];
r = &ranges->v[i];
r->end = col - 1;
xassert(r->start <= r->end);
@ -1456,38 +1410,68 @@ grid_row_curly_range_put(struct row *row, int col, struct curly_range_data data)
}
}
xassert(insert_idx <= extra->curly_ranges.count);
xassert(insert_idx <= ranges->count);
if (replace) {
grid_row_curly_range_destroy(&extra->curly_ranges.v[insert_idx]);
extra->curly_ranges.v[insert_idx] = (struct row_range){
grid_row_range_destroy(&ranges->v[insert_idx], type);
ranges->v[insert_idx] = (struct row_range){
.start = col,
.end = col,
.curly = data,
};
switch (type) {
case ROW_RANGE_URI:
ranges->v[insert_idx].uri.id = data->uri.id;
ranges->v[insert_idx].uri.uri = xstrdup(data->uri.uri);
break;
case ROW_RANGE_CURLY:
ranges->v[insert_idx].curly = data->curly;
break;
}
} else
curly_range_insert(&extra->curly_ranges, insert_idx, col, col, data);
range_insert(ranges, insert_idx, col, col, type, data);
if (run_merge_pass) {
for (size_t i = 1; i < extra->curly_ranges.count; i++) {
struct row_range *r1 = &extra->curly_ranges.v[i - 1];
struct row_range *r2 = &extra->curly_ranges.v[i];
for (size_t i = 1; i < ranges->count; i++) {
struct row_range *r1 = &ranges->v[i - 1];
struct row_range *r2 = &ranges->v[i];
if (r1->curly.style == r2->curly.style &&
r1->curly.color_src == r2->curly.color_src &&
r1->curly.color == r2->curly.color &&
r1->end + 1 == r2->start)
{
if (ranges_match(r1, r2, type) && r1->end + 1 == r2->start) {
r1->end = r2->end;
range_delete(&extra->curly_ranges, ROW_RANGE_CURLY, i);
range_delete(ranges, ROW_RANGE_URI, i);
i--;
}
}
}
}
out:
verify_no_overlapping_ranges(extra);
verify_ranges_are_sorted(extra);
void
grid_row_uri_range_put(struct row *row, int col, const char *uri, uint64_t id)
{
ensure_row_has_extra_data(row);
grid_row_range_put(
&row->extra->uri_ranges, col,
&(union range_data_for_insertion){.uri = {.id = id, .uri = uri}},
ROW_RANGE_URI);
verify_no_overlapping_ranges(row->extra);
verify_ranges_are_sorted(row->extra);
}
void
grid_row_curly_range_put(struct row *row, int col, struct curly_range_data data)
{
ensure_row_has_extra_data(row);
grid_row_range_put(
&row->extra->curly_ranges, col,
&(union range_data_for_insertion){.curly = data},
ROW_RANGE_CURLY);
verify_no_overlapping_ranges(row->extra);
verify_ranges_are_sorted(row->extra);
}
UNITTEST