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storage/Composite: NextSegment() returns std::string_view

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This commit is contained in:
Max Kellermann 2020-04-03 19:25:46 +02:00
parent bcf4645263
commit 3a83a6b527
2 changed files with 7 additions and 7 deletions
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12
src/storage/CompositeStorage.cxx
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@ -82,17 +82,17 @@ CompositeDirectoryReader::GetInfo(bool follow)
return StorageFileInfo(StorageFileInfo::Type::DIRECTORY);
}
static std::string
static std::string_view
NextSegment(const char *&uri_r)
{
const char *uri = uri_r;
const char *slash = strchr(uri, '/');
if (slash == nullptr) {
uri_r += strlen(uri);
return std::string(uri);
return uri;
} else {
uri_r = slash + 1;
return std::string(uri, slash);
return std::string_view(uri, slash - uri);
}
}
@ -101,7 +101,7 @@ CompositeStorage::Directory::Find(const char *uri) const noexcept
{
const Directory *directory = this;
while (*uri != 0) {
const std::string name = NextSegment(uri);
const auto name = NextSegment(uri);
auto i = directory->children.find(name);
if (i == directory->children.end())
return nullptr;
@ -142,7 +142,7 @@ CompositeStorage::Directory::Unmount(const char *uri) noexcept
if (StringIsEmpty(uri))
return Unmount();
const std::string name = NextSegment(uri);
const auto name = NextSegment(uri);
auto i = children.find(name);
if (i == children.end() || !i->second.Unmount(uri))
@ -227,7 +227,7 @@ CompositeStorage::FindStorage(const char *uri) const noexcept
const Directory *directory = &root;
while (*uri != 0) {
const std::string name = NextSegment(uri);
const auto name = NextSegment(uri);
auto i = directory->children.find(name);
if (i == directory->children.end())

2
src/storage/CompositeStorage.hxx
View File

@ -49,7 +49,7 @@ class CompositeStorage final : public Storage {
*/
std::unique_ptr<Storage> storage;
std::map<std::string, Directory> children;
std::map<std::string, Directory, std::less<>> children;
gcc_pure
bool IsEmpty() const noexcept {