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Discard hyperlinks in scrollback if there are too many

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Kovid Goyal
2024-07-09 15:25:34 +05:30
parent 2955c3f7a7
commit b53264c099
1 changed files with 17 additions and 13 deletions
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30
kitty/hyperlink.c
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@@ -26,14 +26,14 @@
typedef struct {
hyperlink_map map;
hyperlink_id_map idmap;
hyperlink_id_type max_link_id, num_of_adds_since_garbage_collection;
hyperlink_id_type max_link_id;
} HyperLinkPool;
static void
clear_pool(HyperLinkPool *pool) {
for (hyperlink_map_itr i = vt_first(&pool->map); !vt_is_end(i); i = vt_next(i)) free((char*)i.data->key);
vt_cleanup(&pool->map); vt_cleanup(&pool->idmap);
pool->max_link_id = 0; pool->num_of_adds_since_garbage_collection = 0;
pool->max_link_id = 0;
}
HYPERLINK_POOL_HANDLE
@@ -94,9 +94,9 @@ process_cell(HyperLinkPool *pool, id_id_map *map, hyperlink_id_map *clone, CPUCe
}
static void
remap_hyperlink_ids(Screen *self, id_id_map *map, hyperlink_id_map *clone) {
remap_hyperlink_ids(Screen *self, bool preserve_hyperlinks_in_history, id_id_map *map, hyperlink_id_map *clone) {
HyperLinkPool *pool = (HyperLinkPool*)self->hyperlink_pool;
if (self->historybuf->count) {
if (self->historybuf->count && preserve_hyperlinks_in_history) {
for (index_type y = self->historybuf->count; y-- > 0;) {
CPUCell *cells = historybuf_cpu_cells(self->historybuf, y);
for (index_type x = 0; x < self->historybuf->xnum; x++) process_cell(pool, map, clone, cells + x);
@@ -107,10 +107,9 @@ remap_hyperlink_ids(Screen *self, id_id_map *map, hyperlink_id_map *clone) {
for (index_type i = 0; i < self->lines * self->columns; i++) process_cell(pool, map, clone, second->cpu_cell_buf + i);
}
void
screen_garbage_collect_hyperlink_pool(Screen *screen) {
static void
_screen_garbage_collect_hyperlink_pool(Screen *screen, bool preserve_hyperlinks_in_history) {
HyperLinkPool *pool = (HyperLinkPool*)screen->hyperlink_pool;
pool->num_of_adds_since_garbage_collection = 0;
if (!pool->max_link_id) return;
pool->max_link_id = 0;
id_id_map map = {0};
@@ -118,10 +117,12 @@ screen_garbage_collect_hyperlink_pool(Screen *screen) {
hyperlink_id_map clone = {0};
if (!vt_init_clone(&clone, &pool->idmap)) fatal("Out of memory");
vt_cleanup(&pool->map); vt_cleanup(&pool->idmap);
remap_hyperlink_ids(screen, &map, &clone);
remap_hyperlink_ids(screen, preserve_hyperlinks_in_history, &map, &clone);
for (hyperlink_id_map_itr i = vt_first(&clone); !vt_is_end(i); i = vt_next(i)) free((char*)i.data->val);
vt_clear(&map); vt_clear(&clone);
}
void
screen_garbage_collect_hyperlink_pool(Screen *screen) { _screen_garbage_collect_hyperlink_pool(screen, true); }
hyperlink_id_type
@@ -136,17 +137,20 @@ get_id_for_hyperlink(Screen *screen, const char *id, const char *url) {
hyperlink_map_itr itr = vt_get(&pool->map, key);
if (!vt_is_end(itr)) return itr.data->val;
if (pool->max_link_id >= HYPERLINK_MAX_NUMBER) {
if (pool->num_of_adds_since_garbage_collection > 128) screen_garbage_collect_hyperlink_pool(screen);
if (pool->max_link_id >= HYPERLINK_MAX_NUMBER) {
log_error("Too many hyperlinks, discarding hyperlink: %s", key);
return 0;
screen_garbage_collect_hyperlink_pool(screen);
if (pool->max_link_id >= HYPERLINK_MAX_NUMBER - 128) {
log_error("Too many hyperlinks, discarding hyperlinks in scrollback");
_screen_garbage_collect_hyperlink_pool(screen, false);
if (pool->max_link_id >= HYPERLINK_MAX_NUMBER) {
log_error("Too many hyperlinks, discarding hyperlink: %s", key);
return 0;
}
}
}
hyperlink_id_type new_id = ++pool->max_link_id;
const char *skey = dupstr(key, keylen);
if (vt_is_end(vt_insert(&pool->map, skey, new_id))) fatal("Out of memory");
if (vt_is_end(vt_insert(&pool->idmap, new_id, skey))) fatal("Out of memory");
pool->num_of_adds_since_garbage_collection++;
return new_id;
}