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authorPřemysl Eric Janouch <p@janouch.name>2020-10-24 11:00:34 +0200
committerPřemysl Eric Janouch <p@janouch.name>2020-10-24 14:55:25 +0200
commit0dc29a3e2d475f295f81f768669a3be0b27c5823 (patch)
tree51e555f64c2400d3dc350049f16e35bccf4e9f36
parent791c000791726a396cc6bd7e4b033e3678b57193 (diff)
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Refactor the library tab, track duration
The `struct strv` was clunky, it's better to store items directly in the format we use for all processing. The additional memory cost is negligible.
-rw-r--r--nncmpp.c139
1 files changed, 73 insertions, 66 deletions
diff --git a/nncmpp.c b/nncmpp.c
index 4ad5b86..12e4c6a 100644
--- a/nncmpp.c
+++ b/nncmpp.c
@@ -2406,17 +2406,6 @@ struct library_level
char path[]; ///< Path of the level
};
-static struct
-{
- struct tab super; ///< Parent class
- struct str path; ///< Current path
- struct strv items; ///< Current items (type, name, path)
- struct library_level *above; ///< Upper levels
-
- bool searching; ///< Search mode is active
-}
-g_library_tab;
-
enum
{
// This list is also ordered by ASCII and important for sorting
@@ -2430,25 +2419,39 @@ enum
struct library_tab_item
{
int type; ///< Type of the item
- const char *name; ///< Visible name
- const char *path; ///< MPD path
+ int duration; ///< Duration or -1 if N/A or unknown
+ char *name; ///< Visible name
+ const char *path; ///< MPD path (follows the name)
};
-static void
-library_tab_add (int type, const char *name, const char *path)
+static struct
{
- strv_append_owned (&g_library_tab.items,
- xstrdup_printf ("%c%s%c%s", type, name, 0, path));
+ struct tab super; ///< Parent class
+ struct str path; ///< Current path
+ struct library_level *above; ///< Upper levels
+
+ /// Current items
+ ARRAY (struct library_tab_item, items)
+
+ bool searching; ///< Search mode is active
}
+g_library_tab;
-static struct library_tab_item
-library_tab_resolve (const char *raw)
+static void
+library_tab_add (int type, int duration, const char *name, const char *path)
{
- struct library_tab_item item;
- item.type = *raw++;
- item.name = raw;
- item.path = strchr (raw, '\0') + 1;
- return item;
+ // Slightly reduce memory overhead while retaining friendly access
+ size_t name_len = strlen (name), path_len = strlen (path);
+ char *combined = xmalloc (++name_len + ++path_len);
+
+ ARRAY_RESERVE (g_library_tab.items, 1);
+ g_library_tab.items[g_library_tab.items_len++] = (struct library_tab_item)
+ {
+ .type = type,
+ .duration = duration,
+ .name = memcpy (combined, name, name_len),
+ .path = memcpy (combined + name_len, path, path_len),
+ };
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -2458,20 +2461,19 @@ library_tab_on_item_draw (size_t item_index, struct row_buffer *buffer,
int width)
{
(void) width;
- hard_assert (item_index < g_library_tab.items.len);
+ hard_assert (item_index < g_library_tab.items_len);
- struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[item_index]);
+ struct library_tab_item *x = &g_library_tab.items[item_index];
const char *prefix, *name;
- switch (x.type)
+ switch (x->type)
{
- case LIBRARY_ROOT: prefix = "/"; name = ""; break;
- case LIBRARY_UP: prefix = "/"; name = ".."; break;
- case LIBRARY_DIR: prefix = "/"; name = x.name; break;
- case LIBRARY_FILE: prefix = " "; name = x.name; break;
+ case LIBRARY_ROOT: prefix = "/"; name = ""; break;
+ case LIBRARY_UP: prefix = "/"; name = ".."; break;
+ case LIBRARY_DIR: prefix = "/"; name = x->name; break;
+ case LIBRARY_FILE: prefix = " "; name = x->name; break;
default: hard_assert (!"invalid item type");
}
- chtype attrs = x.type != LIBRARY_FILE ? APP_ATTR (DIRECTORY) : 0;
+ chtype attrs = x->type != LIBRARY_FILE ? APP_ATTR (DIRECTORY) : 0;
row_buffer_append_args (buffer, prefix, attrs, name, attrs, NULL);
}
@@ -2491,20 +2493,21 @@ library_tab_chunk (char type, const char *path, struct str_map *map)
char *name = (artist && title)
? xstrdup_printf ("%s - %s", artist, title)
: xstrdup (xbasename (path));
- library_tab_add (type, name, path);
+
+ int duration = -1;
+ mpd_read_time (str_map_find (map, "duration"), &duration, NULL);
+ mpd_read_time (str_map_find (map, "time"), &duration, NULL);
+ library_tab_add (type, duration, name, path);
free (name);
}
static int
-library_tab_compare (char **a, char **b)
+library_tab_compare (struct library_tab_item *a, struct library_tab_item *b)
{
- struct library_tab_item xa = library_tab_resolve (*a);
- struct library_tab_item xb = library_tab_resolve (*b);
-
- if (xa.type != xb.type)
- return xa.type - xb.type;
+ if (a->type != b->type)
+ return a->type - b->type;
- return app_casecmp ((uint8_t *) xa.path, (uint8_t *) xb.path);
+ return app_casecmp ((uint8_t *) a->path, (uint8_t *) b->path);
}
static char *
@@ -2573,15 +2576,24 @@ library_tab_change_level (const char *new_path)
}
static void
+library_tab_reset (void)
+{
+ for (size_t i = 0; i < g_library_tab.items_len; i++)
+ free (g_library_tab.items[i].name);
+ free (g_library_tab.items);
+ ARRAY_INIT (g_library_tab.items);
+}
+
+static void
library_tab_load_data (const struct strv *data)
{
- strv_reset (&g_library_tab.items);
+ library_tab_reset ();
char *parent = library_tab_parent ();
if (parent)
{
- library_tab_add (LIBRARY_ROOT, "", "");
- library_tab_add (LIBRARY_UP, "", parent);
+ library_tab_add (LIBRARY_ROOT, -1, "", "");
+ library_tab_add (LIBRARY_UP, -1, "", parent);
free (parent);
}
@@ -2601,16 +2613,16 @@ library_tab_load_data (const struct strv *data)
}
str_map_free (&map);
- struct strv *items = &g_library_tab.items;
- qsort (items->vector, items->len, sizeof *items->vector,
+ struct library_tab_item *items = g_library_tab.items;
+ size_t len = g_library_tab.super.item_count = g_library_tab.items_len;
+ qsort (items, len, sizeof *items,
(int (*) (const void *, const void *)) library_tab_compare);
- g_library_tab.super.item_count = items->len;
// XXX: this unmarks even if just the database updates
g_library_tab.super.item_mark = -1;
// Don't force the selection visible when there's no need to touch it
- if (g_library_tab.super.item_selected >= (int) items->len)
+ if (g_library_tab.super.item_selected >= (int) len)
app_move_selection (0);
app_invalidate ();
@@ -2698,9 +2710,8 @@ library_tab_is_range_playable (struct tab_range range)
{
for (int i = range.from; i <= range.upto; i++)
{
- struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[i]);
- if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
+ struct library_tab_item *x = &g_library_tab.items[i];
+ if (x->type == LIBRARY_DIR || x->type == LIBRARY_FILE)
return true;
}
return false;
@@ -2718,9 +2729,7 @@ library_tab_on_action (enum action action)
if (range.from < 0)
return false;
- struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[range.from]);
-
+ struct library_tab_item *x = &g_library_tab.items[range.from];
switch (action)
{
case ACTION_CHOOSE:
@@ -2728,12 +2737,12 @@ library_tab_on_action (enum action action)
if (range.from != range.upto)
break;
- switch (x.type)
+ switch (x->type)
{
case LIBRARY_ROOT:
case LIBRARY_UP:
- case LIBRARY_DIR: library_tab_reload (x.path); break;
- case LIBRARY_FILE: MPD_SIMPLE ("add", x.path); break;
+ case LIBRARY_DIR: library_tab_reload (x->path); break;
+ case LIBRARY_FILE: MPD_SIMPLE ("add", x->path); break;
default: hard_assert (!"invalid item type");
}
tab->item_mark = -1;
@@ -2782,10 +2791,9 @@ library_tab_on_action (enum action action)
for (int i = range.from; i <= range.upto; i++)
{
- struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[i]);
- if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
- MPD_SIMPLE ("add", x.path);
+ struct library_tab_item *x = &g_library_tab.items[i];
+ if (x->type == LIBRARY_DIR || x->type == LIBRARY_FILE)
+ MPD_SIMPLE ("add", x->path);
}
tab->item_mark = -1;
return true;
@@ -2801,10 +2809,9 @@ library_tab_on_action (enum action action)
mpd_client_send_command (c, "clear", NULL);
for (int i = range.from; i <= range.upto; i++)
{
- struct library_tab_item x =
- library_tab_resolve (g_library_tab.items.vector[i]);
- if (x.type == LIBRARY_DIR || x.type == LIBRARY_FILE)
- mpd_client_send_command (c, "add", x.path, NULL);
+ struct library_tab_item *x = &g_library_tab.items[i];
+ if (x->type == LIBRARY_DIR || x->type == LIBRARY_FILE)
+ mpd_client_send_command (c, "add", x->path, NULL);
}
if (g.state == PLAYER_PLAYING)
mpd_client_send_command (c, "play", NULL);
@@ -2824,7 +2831,7 @@ static struct tab *
library_tab_init (void)
{
g_library_tab.path = str_make ();
- g_library_tab.items = strv_make ();
+ // g_library_tab.items is fine with zero initialisation
struct tab *super = &g_library_tab.super;
tab_init (super, "Library");