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Add SaveEntries() and LoadEntries(). (#233)

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These allow saving and loading non-persistent entries in the persistent
file format.
This commit is contained in:
Peter Johnson
2017-10-01 09:13:43 -07:00
committed by GitHub
parent e68a71022c
commit 1f18cc5416
17 changed files with 352 additions and 26 deletions
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15
src/main/native/cpp/Storage.h
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@@ -129,12 +129,18 @@ class Storage : public IStorage {
StringRef filename,
std::function<void(std::size_t line, const char* msg)> warn) override;
const char* SaveEntries(StringRef filename, StringRef prefix) const;
const char* LoadEntries(
StringRef filename, StringRef prefix,
std::function<void(std::size_t line, const char* msg)> warn);
// Stream-based save/load functions (exposed for testing purposes). These
// implement the guts of the filename-based functions.
void SavePersistent(llvm::raw_ostream& os, bool periodic) const;
bool LoadPersistent(
wpi::raw_istream& is,
std::function<void(std::size_t line, const char* msg)> warn);
bool LoadEntries(wpi::raw_istream& is, StringRef prefix, bool persistent,
std::function<void(std::size_t line, const char* msg)> warn);
void SaveEntries(llvm::raw_ostream& os, StringRef prefix) const;
// RPC configuration needs to come through here as RPC definitions are
// actually special Storage value types.
@@ -231,6 +237,9 @@ class Storage : public IStorage {
bool periodic,
std::vector<std::pair<std::string, std::shared_ptr<Value>>>* entries)
const;
bool GetEntries(StringRef prefix,
std::vector<std::pair<std::string, std::shared_ptr<Value>>>*
entries) const;
void SetEntryValueImpl(Entry* entry, std::shared_ptr<Value> value,
std::unique_lock<std::mutex>& lock, bool local);
void SetEntryFlagsImpl(Entry* entry, unsigned int flags,