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db/update/Walk: add "noexcept"

This commit is contained in:
Max Kellermann 2018-01-21 11:22:17 +01:00
parent 1e3f0650df
commit 1c023eac70
5 changed files with 48 additions and 45 deletions
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14
src/db/update/Archive.cxx
View File

@ -39,21 +39,21 @@
#include <string.h>
static Directory *
LockFindChild(Directory &directory, const char *name)
LockFindChild(Directory &directory, const char *name) noexcept
{
const ScopeDatabaseLock protect;
return directory.FindChild(name);
}
static Directory *
LockMakeChild(Directory &directory, const char *name)
LockMakeChild(Directory &directory, const char *name) noexcept
{
const ScopeDatabaseLock protect;
return directory.MakeChild(name);
}
static Song *
LockFindSong(Directory &directory, const char *name)
LockFindSong(Directory &directory, const char *name) noexcept
{
const ScopeDatabaseLock protect;
return directory.FindSong(name);
@ -61,7 +61,7 @@ LockFindSong(Directory &directory, const char *name)
void
UpdateWalk::UpdateArchiveTree(ArchiveFile &archive, Directory &directory,
const char *name)
const char *name) noexcept
{
const char *tmp = strchr(name, '/');
if (tmp) {
@ -112,7 +112,7 @@ class UpdateArchiveVisitor final : public ArchiveVisitor {
public:
UpdateArchiveVisitor(UpdateWalk &_walk, ArchiveFile &_archive,
Directory *_directory)
Directory *_directory) noexcept
:walk(_walk), archive(_archive), directory(_directory) {}
virtual void VisitArchiveEntry(const char *path_utf8) override {
@ -133,7 +133,7 @@ class UpdateArchiveVisitor final : public ArchiveVisitor {
void
UpdateWalk::UpdateArchiveFile(Directory &parent, const char *name,
const StorageFileInfo &info,
const ArchivePlugin &plugin)
const ArchivePlugin &plugin) noexcept
{
Directory *directory = LockFindChild(parent, name);
@ -182,7 +182,7 @@ UpdateWalk::UpdateArchiveFile(Directory &parent, const char *name,
bool
UpdateWalk::UpdateArchiveFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
const ArchivePlugin *plugin = archive_plugin_from_suffix(suffix);
if (plugin == nullptr)

7
src/db/update/Container.cxx
View File

@ -33,7 +33,7 @@
Directory *
UpdateWalk::MakeDirectoryIfModified(Directory &parent, const char *name,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
Directory *directory = parent.FindChild(name);
@ -57,7 +57,8 @@ UpdateWalk::MakeDirectoryIfModified(Directory &parent, const char *name,
}
static bool
SupportsContainerSuffix(const DecoderPlugin &plugin, const char *suffix)
SupportsContainerSuffix(const DecoderPlugin &plugin,
const char *suffix) noexcept
{
return plugin.container_scan != nullptr &&
plugin.SupportsSuffix(suffix);
@ -66,7 +67,7 @@ SupportsContainerSuffix(const DecoderPlugin &plugin, const char *suffix)
bool
UpdateWalk::UpdateContainerFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
const DecoderPlugin *_plugin = decoder_plugins_find([suffix](const DecoderPlugin &plugin){
return SupportsContainerSuffix(plugin, suffix);

4
src/db/update/UpdateSong.cxx
View File

@ -33,7 +33,7 @@
inline void
UpdateWalk::UpdateSongFile2(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
Song *song;
{
@ -95,7 +95,7 @@ UpdateWalk::UpdateSongFile2(Directory &directory,
bool
UpdateWalk::UpdateSongFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
if (!decoder_plugins_supports_suffix(suffix))
return false;

28
src/db/update/Walk.cxx
View File

@ -50,7 +50,7 @@
#include <errno.h>
UpdateWalk::UpdateWalk(EventLoop &_loop, DatabaseListener &_listener,
Storage &_storage)
Storage &_storage) noexcept
:cancel(false),
storage(_storage),
editor(_loop, _listener)
@ -75,7 +75,7 @@ directory_set_stat(Directory &dir, const StorageFileInfo &info)
inline void
UpdateWalk::RemoveExcludedFromDirectory(Directory &directory,
const ExcludeList &exclude_list)
const ExcludeList &exclude_list) noexcept
{
const ScopeDatabaseLock protect;
@ -101,7 +101,7 @@ UpdateWalk::RemoveExcludedFromDirectory(Directory &directory,
}
inline void
UpdateWalk::PurgeDeletedFromDirectory(Directory &directory)
UpdateWalk::PurgeDeletedFromDirectory(Directory &directory) noexcept
{
directory.ForEachChildSafe([&](Directory &child){
if (child.IsMount() || DirectoryExists(storage, child))
@ -135,7 +135,7 @@ UpdateWalk::PurgeDeletedFromDirectory(Directory &directory)
#ifndef _WIN32
static bool
update_directory_stat(Storage &storage, Directory &directory)
update_directory_stat(Storage &storage, Directory &directory) noexcept
{
StorageFileInfo info;
if (!GetInfo(storage, directory.GetPath(), info))
@ -154,7 +154,7 @@ update_directory_stat(Storage &storage, Directory &directory)
*/
static int
FindAncestorLoop(Storage &storage, Directory *parent,
unsigned inode, unsigned device)
unsigned inode, unsigned device) noexcept
{
#ifndef _WIN32
if (device == 0 && inode == 0)
@ -187,7 +187,7 @@ FindAncestorLoop(Storage &storage, Directory *parent,
inline bool
UpdateWalk::UpdatePlaylistFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
if (!playlist_suffix_supported(suffix))
return false;
@ -202,7 +202,8 @@ UpdateWalk::UpdatePlaylistFile(Directory &directory,
inline bool
UpdateWalk::UpdateRegularFile(Directory &directory,
const char *name, const StorageFileInfo &info)
const char *name,
const StorageFileInfo &info) noexcept
{
const char *suffix = uri_get_suffix(name);
if (suffix == nullptr)
@ -216,7 +217,7 @@ UpdateWalk::UpdateRegularFile(Directory &directory,
void
UpdateWalk::UpdateDirectoryChild(Directory &directory,
const ExcludeList &exclude_list,
const char *name, const StorageFileInfo &info)
const char *name, const StorageFileInfo &info) noexcept
try {
assert(strchr(name, '/') == nullptr);
@ -328,7 +329,7 @@ UpdateWalk::SkipSymlink(const Directory *directory,
bool
UpdateWalk::UpdateDirectory(Directory &directory,
const ExcludeList &exclude_list,
const StorageFileInfo &info)
const StorageFileInfo &info) noexcept
{
assert(info.IsDirectory());
@ -390,7 +391,7 @@ UpdateWalk::UpdateDirectory(Directory &directory,
inline Directory *
UpdateWalk::DirectoryMakeChildChecked(Directory &parent,
const char *uri_utf8,
const char *name_utf8)
const char *name_utf8) noexcept
{
Directory *directory;
{
@ -429,7 +430,8 @@ UpdateWalk::DirectoryMakeChildChecked(Directory &parent,
}
inline Directory *
UpdateWalk::DirectoryMakeUriParentChecked(Directory &root, const char *uri)
UpdateWalk::DirectoryMakeUriParentChecked(Directory &root,
const char *uri) noexcept
{
Directory *directory = &root;
char *duplicated = xstrdup(uri);
@ -455,7 +457,7 @@ UpdateWalk::DirectoryMakeUriParentChecked(Directory &root, const char *uri)
}
inline void
UpdateWalk::UpdateUri(Directory &root, const char *uri)
UpdateWalk::UpdateUri(Directory &root, const char *uri) noexcept
try {
Directory *parent = DirectoryMakeUriParentChecked(root, uri);
if (parent == nullptr)
@ -482,7 +484,7 @@ try {
}
bool
UpdateWalk::Walk(Directory &root, const char *path, bool discard)
UpdateWalk::Walk(Directory &root, const char *path, bool discard) noexcept
{
walk_discard = discard;
modified = false;

40
src/db/update/Walk.hxx
View File

@ -62,20 +62,20 @@ class UpdateWalk final {
public:
UpdateWalk(EventLoop &_loop, DatabaseListener &_listener,
Storage &_storage);
Storage &_storage) noexcept;
/**
* Cancel the current update and quit the Walk() method as
* soon as possible.
*/
void Cancel() {
void Cancel() noexcept {
cancel = true;
}
/**
* Returns true if the database was modified.
*/
bool Walk(Directory &root, const char *path, bool discard);
bool Walk(Directory &root, const char *path, bool discard) noexcept;
private:
gcc_pure
@ -83,60 +83,60 @@ private:
const char *utf8_name) const noexcept;
void RemoveExcludedFromDirectory(Directory &directory,
const ExcludeList &exclude_list);
const ExcludeList &exclude_list) noexcept;
void PurgeDeletedFromDirectory(Directory &directory);
void PurgeDeletedFromDirectory(Directory &directory) noexcept;
void UpdateSongFile2(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
bool UpdateSongFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
bool UpdateContainerFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
#ifdef ENABLE_ARCHIVE
void UpdateArchiveTree(ArchiveFile &archive, Directory &parent,
const char *name);
const char *name) noexcept;
bool UpdateArchiveFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
void UpdateArchiveFile(Directory &directory, const char *name,
const StorageFileInfo &info,
const ArchivePlugin &plugin);
const ArchivePlugin &plugin) noexcept;
#else
bool UpdateArchiveFile(gcc_unused Directory &directory,
gcc_unused const char *name,
gcc_unused const char *suffix,
gcc_unused const StorageFileInfo &info) {
gcc_unused const StorageFileInfo &info) noexcept {
return false;
}
#endif
bool UpdatePlaylistFile(Directory &directory,
const char *name, const char *suffix,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
bool UpdateRegularFile(Directory &directory,
const char *name, const StorageFileInfo &info);
const char *name, const StorageFileInfo &info) noexcept;
void UpdateDirectoryChild(Directory &directory,
const ExcludeList &exclude_list,
const char *name,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
bool UpdateDirectory(Directory &directory,
const ExcludeList &exclude_list,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
/**
* Create the specified directory object if it does not exist
@ -147,16 +147,16 @@ private:
* The caller must lock the database.
*/
Directory *MakeDirectoryIfModified(Directory &parent, const char *name,
const StorageFileInfo &info);
const StorageFileInfo &info) noexcept;
Directory *DirectoryMakeChildChecked(Directory &parent,
const char *uri_utf8,
const char *name_utf8);
const char *name_utf8) noexcept;
Directory *DirectoryMakeUriParentChecked(Directory &root,
const char *uri);
const char *uri) noexcept;
void UpdateUri(Directory &root, const char *uri);
void UpdateUri(Directory &root, const char *uri) noexcept;
};
#endif