eckit::PeekHandle class

#include <eckit/io/PeekHandle.h>

Base classes

class DataHandle

class HandleHolder

Public static functions

static auto classSpec() -> const ClassSpec&

Constructors, destructors, conversion operators

PeekHandle(DataHandle*)

Contructor, taking ownership.

PeekHandle(DataHandle&)

Contructor, not taking ownership.

~PeekHandle() override

Destructor.

Public functions

auto peek(size_t) -> unsigned char

auto peek(void* buffer, size_t size, size_t offset = 0) -> long

auto peeked() const -> size_t

auto openForRead() -> Length override

auto read(void*, long) -> long override

void close() override

void rewind() override

void print(std::ostream&) const override

void skip(const Length&) override

auto seek(const Offset&) -> Offset override

auto canSeek() const -> bool override

auto estimate() -> Length override

auto position() -> Offset override

auto size() -> Length override

auto title() const -> std::string override

void collectMetrics(const std::string& what) const override

void openForWrite(const Length&) virtual

void openForAppend(const Length&) virtual

auto write(const void*, long) -> long virtual

void flush() virtual

void restartReadFrom(const Offset&) virtual

void restartWriteFrom(const Offset&) virtual

auto clone() const -> DataHandle* virtual

auto saveInto(DataHandle&, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

Save into an other datahandle.

auto saveInto(const PathName&, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

Save into a file.

auto copyTo(DataHandle&, long bufsize = -1, Length maxsize = -1, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

auto name() const -> std::string virtual

auto openf(const char* mode, bool delete_on_close = false) -> FILE*

Create a FILE* from this handle.

auto openf(bool delete_on_close = false) -> FILE*

auto compare(DataHandle&) -> bool

Compare bytes.

auto compress(bool = false) -> bool virtual

auto merge(DataHandle*) -> bool virtual

auto isEmpty() const -> bool virtual

auto moveable() const -> bool virtual

void toLocal(Stream& s) const virtual

auto toLocal() -> DataHandle* virtual

void toRemote(Stream& s) const virtual

void selectMover(MoverTransferSelection&, bool read) const virtual

auto metricsTag() const -> std::string virtual

void hash(MD5& md5) const virtual

auto doubleBufferOK() const -> bool virtual

void encode(Stream&) const override

auto reanimator() const -> const ReanimatorBase& override

auto className() const -> std::string virtual

Function documentation