This is useful for user playlists so they can store their playlist-id
directly, letting us remove the entire playlist_get_id() function.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
Sometimes database entry keys change, so this gives us a way to update
them in the database keys hash table.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This was added so tracks could bump the libary tag size. Now that the
size field has been removed, we can remove this function.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This makes file versioning way easier, since every file will have the
same version. I'll still need to manage minimum-supported versions, but
that shouldn't be too difficult going forward.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
Removing items from the database leaves a NULL pointer "hole" that is
never filled in. This doesn't affect correctness, but it could be
wasteful as items are added and removed. This patch adds a function to
defragment the database without changing the order of items.
Implements #66: Add support for rebalancing databases
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
I plan to change the file format of some tags, so add versioning so we
can change things at different times.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
I need to have integer playlist ids to store into the settings database
once I allow changing the default playlist.
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
It doesn't make sense to have a subdirectory with a single file. Let's
move it back to core/
Implements #45: Move database into core/
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
We now have an interface for controlling everything through struct
db_entry, so let's just have the database store a db_entry directly.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
Track tags need to add themselves to the filter index and update the
library track count once added to the database.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
The Track tag needs to do some cleanup when removed from a database, so
we need to use this op when removing items.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
For allocating new database items from a given key. Tracks do not need
this function since we have special handling for creation and insertion.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
This function is similar to Linux's list_for_each_safe(), and lets you
iterate over a database even if the current item is removed.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
I also take the chance to modify this function slightly. Now, if a
matching item could not be found a new item will be allocated.
I added the new function db_get() if callers just want to get an item
without allocating.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
This variable should only be set by the Database when a DatabaseItem is
first created. This means I should hide _index from the rest of the
world to prevent accidental modifications. I also add an accessor
function for other code that needs to read _index.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
I transfer everything from my DESIGN file into doxygen, and then remove
the section from DESIGN.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
I plan to introduce a new lib/ that sits between the gui and the backend
files (similar to how glibc sits between the kernel and userspace).
This gets the rename out of the way before I change my mind again.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
Anna Schumaker
Anna Schumaker