SbeVariableLengthFieldList< BinarySize > Class Template Reference

Public Member Functions
	SbeVariableLengthFieldList (void *binary, BinarySize size, SchemaVersion version) noexcept
bool	empty () const noexcept
template<class BinaryVariableLengthFieldType>
BinaryVariableLengthFieldType &	head () const noexcept
template<class BinaryVariableLengthFieldType>
SbeVariableLengthFieldList	tail () const noexcept
template<class BinaryVariableLengthFieldType>
SbeVariableLengthFieldList	checkTail () const

Detailed Description

template<class BinarySize>
class OnixS::ICE::BOE::Messaging::SbeVariableLengthFieldList< BinarySize >

Definition at line 951 of file SbeMessage.h.

Constructor & Destructor Documentation

SbeVariableLengthFieldList()

template<class BinarySize>

SbeVariableLengthFieldList ( void * binary, BinarySize size, SchemaVersion version )

inlinenoexcept

Initializes the list over the given memory block.

Definition at line 956 of file SbeMessage.h.

        : binary_(binary)
        , size_(size)
        , version_(version)
    {
    }

Member Function Documentation

checkTail()

template<class BinarySize>

template<class BinaryVariableLengthFieldType>

SbeVariableLengthFieldList checkTail ( ) const

inline

Checks the variable-length field list consistency.

Returns

the list of fields following the head.

Definition at line 993 of file SbeMessage.h.

    {
        if ONIXS_ICEBOE_UNLIKELY(empty() || (size_ < BinaryVariableLengthFieldType::Size))
        {
            throwBadBinaryBlock();
        }
 
        const BinarySize headSize = head<BinaryVariableLengthFieldType>().binarySize();
 
        if ONIXS_ICEBOE_UNLIKELY(headSize > size_)
        {
            throwBadBinaryBlock();
        }
 
        return SbeVariableLengthFieldList(advanceByBytes(binary_, headSize), size_ - headSize, version_);
    }

empty()

template<class BinarySize>

bool empty ( ) const

inlinenoexcept

Returns

true if the list is empty, otherwise - `false.

Definition at line 964 of file SbeMessage.h.

    {
        return (0 == size_);
    }

head()

template<class BinarySize>

template<class BinaryVariableLengthFieldType>

BinaryVariableLengthFieldType & head ( ) const

inlinenoexcept

Returns

the head of the list.

Definition at line 971 of file SbeMessage.h.

    {
        return *static_cast<BinaryVariableLengthFieldType*>(binary_);
    }

tail()

template<class BinarySize>

template<class BinaryVariableLengthFieldType>

SbeVariableLengthFieldList tail ( ) const

inlinenoexcept

Returns

the list of variable-length fields following the head.

Definition at line 978 of file SbeMessage.h.

    {
        assert(!empty());
 
        const BinarySize headSize = head<BinaryVariableLengthFieldType>().binarySize();
 
        assert(headSize <= size_);
 
        return SbeVariableLengthFieldList(advanceByBytes( binary_, headSize), size_ - headSize, version_);
    }