llvm::BinaryByteStream Class Reference

An implementation of BinaryStream which holds its entire data set in a single contiguous buffer. More...

#include "llvm/Support/BinaryByteStream.h"

Inheritance diagram for llvm::BinaryByteStream:

Public Member Functions
	BinaryByteStream ()=default
	BinaryByteStream (ArrayRef< uint8_t > Data, llvm::endianness Endian)
	BinaryByteStream (StringRef Data, llvm::endianness Endian)
llvm::endianness	getEndian () const override
Error	readBytes (uint64_t Offset, uint64_t Size, ArrayRef< uint8_t > &Buffer) override
	Given an offset into the stream and a number of bytes, attempt to read the bytes and set the output ArrayRef to point to data owned by the stream.
Error	readLongestContiguousChunk (uint64_t Offset, ArrayRef< uint8_t > &Buffer) override
	Given an offset into the stream, read as much as possible without copying any data.
uint64_t	getLength () override
	Return the number of bytes of data in this stream.
ArrayRef< uint8_t >	data () const
StringRef	str () const
Public Member Functions inherited from llvm::BinaryStream
virtual	~BinaryStream ()=default
virtual llvm::endianness	getEndian () const =0
virtual Error	readBytes (uint64_t Offset, uint64_t Size, ArrayRef< uint8_t > &Buffer)=0
	Given an offset into the stream and a number of bytes, attempt to read the bytes and set the output ArrayRef to point to data owned by the stream.
virtual Error	readLongestContiguousChunk (uint64_t Offset, ArrayRef< uint8_t > &Buffer)=0
	Given an offset into the stream, read as much as possible without copying any data.
virtual uint64_t	getLength ()=0
	Return the number of bytes of data in this stream.
virtual BinaryStreamFlags	getFlags () const
	Return the properties of this stream.

Protected Attributes
llvm::endianness	Endian
ArrayRef< uint8_t >	Data

Additional Inherited Members
Protected Member Functions inherited from llvm::BinaryStream
Error	checkOffsetForRead (uint64_t Offset, uint64_t DataSize)

Detailed Description

An implementation of BinaryStream which holds its entire data set in a single contiguous buffer.

BinaryByteStream guarantees that no read operation will ever incur a copy. Note that BinaryByteStream does not own the underlying buffer.

Definition at line 30 of file BinaryByteStream.h.

Constructor & Destructor Documentation

BinaryByteStream() [1/3]

llvm::BinaryByteStream::BinaryByteStream ( )

default

BinaryByteStream() [2/3]

llvm::BinaryByteStream::BinaryByteStream ( ArrayRef< uint8_t >  Data, llvm::endianness  Endian  )

inline

Definition at line 33 of file BinaryByteStream.h.

BinaryByteStream() [3/3]

llvm::BinaryByteStream::BinaryByteStream ( StringRef  Data, llvm::endianness  Endian  )

inline

Definition at line 35 of file BinaryByteStream.h.

Member Function Documentation

data()

ArrayRef< uint8_t > llvm::BinaryByteStream::data ( ) const

inline

Definition at line 58 of file BinaryByteStream.h.

References Data.

Referenced by llvm::object::ResourceSectionRef::getContents(), and llvm::object::ResourceSectionRef::getTableEntry().

getEndian()

llvm::endianness llvm::BinaryByteStream::getEndian ( ) const

inlineoverridevirtual

Implements llvm::BinaryStream.

Definition at line 38 of file BinaryByteStream.h.

References Endian.

Referenced by llvm::MutableBinaryByteStream::getEndian().

getLength()

uint64_t llvm::BinaryByteStream::getLength ( )

inlineoverridevirtual

Return the number of bytes of data in this stream.

Implements llvm::BinaryStream.

Definition at line 56 of file BinaryByteStream.h.

References Data, and llvm::ArrayRef< T >::size().

Referenced by llvm::MutableBinaryByteStream::getLength().

readBytes()

Error llvm::BinaryByteStream::readBytes ( uint64_t  Offset, uint64_t  Size, ArrayRef< uint8_t > &  Buffer  )

inlineoverridevirtual

Given an offset into the stream and a number of bytes, attempt to read the bytes and set the output ArrayRef to point to data owned by the stream.

Implements llvm::BinaryStream.

Definition at line 40 of file BinaryByteStream.h.

References llvm::BinaryStream::checkOffsetForRead(), Data, llvm::Offset, Size, llvm::ArrayRef< T >::slice(), and llvm::Error::success().

Referenced by llvm::MutableBinaryByteStream::readBytes().

readLongestContiguousChunk()

Error llvm::BinaryByteStream::readLongestContiguousChunk ( uint64_t  Offset, ArrayRef< uint8_t > &  Buffer  )

inlineoverridevirtual

Given an offset into the stream, read as much as possible without copying any data.

Implements llvm::BinaryStream.

Definition at line 48 of file BinaryByteStream.h.

References llvm::BinaryStream::checkOffsetForRead(), Data, llvm::Offset, llvm::ArrayRef< T >::slice(), and llvm::Error::success().

Referenced by llvm::MutableBinaryByteStream::readLongestContiguousChunk().

str()

StringRef llvm::BinaryByteStream::str ( ) const

inline

Definition at line 60 of file BinaryByteStream.h.

References llvm::ArrayRef< T >::data(), Data, and llvm::ArrayRef< T >::size().

Member Data Documentation

Data

ArrayRef<uint8_t> llvm::BinaryByteStream::Data

protected

Definition at line 67 of file BinaryByteStream.h.

Referenced by data(), getLength(), readBytes(), readLongestContiguousChunk(), and str().

Endian

llvm::endianness llvm::BinaryByteStream::Endian

protected

Definition at line 66 of file BinaryByteStream.h.

Referenced by getEndian().

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The documentation for this class was generated from the following file:

• include/llvm/Support/BinaryByteStream.h