Commit Graph

38 Commits

Author SHA1 Message Date
JosJuice
d06b532150 DiscIO: Move parts of Filesystem to the new file DiscExtractor 2017-06-28 22:21:23 +02:00
JosJuice
0b7d2e7c68 Filesystem: Modernize variable names 2017-06-14 15:25:09 +02:00
JosJuice
e3a2cd827a Filesystem: Do more validity checking in the constructor
This makes it possible to catch errors earlier so that file systems
simply fail to load instead of behaving oddly. It also makes it possible
to check for errors that weren't checkable before, like the end of a
directory being after the end of the parent directory.
2017-06-14 15:25:05 +02:00
JosJuice
ee27be06d7 Filesystem: Add a cache for finding file info by disc offset
FileMonitor calls this every time a read happens, and there's no code that
only calls this a small number of times, so having a cache is worthwhile.
2017-06-14 15:25:02 +02:00
JosJuice
87916fe099 Filesystem: Replace GetFileList()
Instead of expecting callers to know how the size of directory file infos
relates to which files are in which directories, filesystems now offer a
GetRoot() method, and file infos offer a way to get their children. As
a bonus, m_FileInfoVector no longer has to be created and kept around
in RAM. Only the file info objects that actually are used are created.
2017-06-14 15:23:48 +02:00
JosJuice
ee2b88ebb6 Filesystem: Store pointer to beginning of FST in file infos
Needed for the next commit.
2017-06-13 22:44:15 +02:00
JosJuice
afe2bc60f6 Filesystem: Initialize everything in constructor
Not initializing until the filesystem is used is good when
a filesystem is constructed and then never used, but nobody does that.
This simplifies the code a little and lets all methods be const.
2017-06-13 22:44:07 +02:00
JosJuice
d6ee7ec32c Filesystem: Read the entire FST in one go
Instead of using lots of small scattered reads to read the FST,
only one big read is used, which is more efficient.

This also means that the FST only allocates memory once and stores all
strings close to each other - good for the CPU cache. The file info
objects use pointers to this FST memory of containing data themselves.
Keeping around the big m_FileInfoVector containing objects with only
pointers is a bit unnecessary, but that will be fixed soon.
2017-06-13 22:43:41 +02:00
JosJuice
f49b64caff Filesystem: Rewrite finding file info by path for performance
Instead of calling GetPathFromFSTOffset for every file info, FindFileInfo
now only looks at names in directories that are included in the path.
For the common case of searching for "opening.bnr", this means that
only root-level files and directories have to be searched through.
2017-06-13 22:41:02 +02:00
JosJuice
7c45afecb2 Filesystem: Use file info in arguments instead of path
Some callers already have the file info, making the relatively slow
FindFileInfo calls unnecessary. Callers that didn't have the file info
will now need to call FindFileInfo on their own.
2017-06-13 22:40:57 +02:00
JosJuice
3d5ef948d0 Filesystem: Make FindFileInfo public 2017-06-13 22:40:53 +02:00
JosJuice
07d3a39aeb Filesystem: Replace file info's full path with name
Some callers (i.e. ISOProperties) don't want the full path, so giving them
it is unnecessary. Those that do want it can use GetPathFromFSTOffset.
Not storing full paths everywhere also saves a small bit of RAM and is
necessary for a later commit. The code isn't especially pretty right now
(callers need to use FST offsets...) but it'll become better later.
2017-06-13 22:38:31 +02:00
JosJuice
5021b4a567 Filesystem: Replace FileInfo struct with interface
GC/Wii filesystem internals shouldn't be exposed to other classes.
This change isn't especially useful by itself, but it opens up the
way for some neat stuff in the following commits.
2017-06-13 22:37:43 +02:00
JosJuice
b2af07a7b7 DiscIO: Remove C/I/S prefixes from class names
These prefixes were inconsistent with the rest of Dolphin.

I'm also renaming VolumeWiiCrypted to VolumeWii because of 1113b13.
2017-06-06 12:31:59 +02:00
JosJuice
c3fa0d6edf DiscIO: Use std::optional in Volume and Blob 2017-06-05 13:26:51 +02:00
JosJuice
639ce6c484 FileSystemGCWii: Replace m_Wii with m_offset_shift
I replaced m_OffsetShift with m_Wii in bb93336 to support
the decrypt parameter for read functions. Doing that is no
longer necessary, so m_offset_shift is now used like before.
2017-05-16 22:58:57 +02:00
JosJuice
19b8f1c10a VolumeWiiCrypted: Replace ChangePartition with a partition parameter
By removing mutable state in VolumeWiiCrypted, this change makes
partition-related code simpler. It also gets rid of other ugly things,
like ISOProperties's "over 9000" loop that creates a list of
partitions by trying possible combinations, and DiscScrubber's
volume swapping that recreates the entire volume when it needs to
change partition.
2017-05-16 22:58:15 +02:00
Lioncash
144c23dead Filesystem: Return strings from GetFileName without the const qualifier
This is mostly pointless and can inhibit move construction
2016-09-18 12:56:25 -04:00
Pierre Bourdon
3570c7f03a Reformat all the things. Have fun with merge conflicts. 2016-06-24 10:43:46 +02:00
JosJuice
c7e747d775 DiscIO: Improve IVolume::Read32 error handling
Callers can now check whether reads fail, either by checking the return
value or by setting the buffer to a known bad value and seeing if it stays
untouched. I've added error checks to FileSystemGCWii and Boot_BS2Emu,
but not to Boot since it doesn't check any of its other reads either.
2015-12-14 09:38:21 +01:00
Tillmann Karras
df79398445 DiscIO: drop unused stuff 2015-11-10 17:03:08 +01:00
JosJuice
618ccf6109 Remove DiscScrubber::GetDOLSize in favor of IFileSystem::GetBootDOLSize
IFileSystem::GetBootDOLSize acts the same. The only difference is that it
reads the DOL offset on its own, but this change makes that optional.
2015-10-17 20:52:26 +02:00
Lioncash
7ee0e75633 Remove unnecessary virtual keywords 2015-07-30 10:33:08 -04:00
comex
2ae6fb9240 Merge pull request #2338 from JosJuice/getfilelist-return
Filesystem: Return file list reference instead of modifying argument
2015-06-02 20:28:25 -04:00
Ryan Houdek
5911dd528a Merge pull request #2361 from JosJuice/filesystem-read32
Remove CFileSystemGCWii::Read32
2015-05-25 23:40:28 -04:00
Tillmann Karras
30ebb2459e Set copyright year to when a file was created 2015-05-25 13:22:31 +02:00
Tillmann Karras
cefcb0ace9 Update license headers to GPLv2+ 2015-05-25 13:22:31 +02:00
JosJuice
272f9d3cbc FileSystemGCWii: Allow reading files partially 2015-05-03 15:44:24 +02:00
JosJuice
0d9ca081bb Remove CFileSystemGCWii::Read32
A function that does the same thing was added to IVolume in 4cd00e3.
2015-05-03 11:39:20 +02:00
JosJuice
d43a920924 Filesystem: Return file list reference instead of modifying argument 2015-04-28 12:48:05 +02:00
JosJuice
bb93336ecf DiscIO: Replace "raw" functions with "decrypt" parameters
This is intended to make decryption look less implicit in the code.
2014-12-28 10:35:48 +01:00
Lioncash
bd1ce18f90 Simplify file tree building for the filesystem view.
Technically this also simplifies on disc filename building in general.
2014-03-16 16:54:00 -04:00
Lioncash
a82675b7d5 Kill off some usages of c_str.
Also changes some function params, but this is ok.
Some simplifications were also able to be made (ie. killing off strcmps with ==, etc).
2014-03-14 13:51:23 -04:00
Tillmann Karras
f28116b7da clang-modernize -add-override 2014-03-09 21:12:01 +01:00
Pierre Bourdon
c698c07755 Make DiscIO/ mostly IWYU clean (and fix errors in rest of the project detected by this change). 2014-02-22 23:37:29 +01:00
Lioncash
2afe215271 Convert all includes to relative paths. 2014-02-18 02:19:10 -05:00
lioncash
d2038049f5 Replace all include guard ifdefs with "#pragma once" 2014-02-10 18:07:16 -05:00
Jasper St. Pierre
34692ab826 Remove unnecessary Src/ folders 2013-12-31 14:03:19 -05:00