HDF5 C++ API Reference Manual

 

 

 

H5::CompType Class Reference

#include <H5CompType.h>

Inheritance diagram for H5::CompType:

List of all members.

Public Member Functions
	CompType (size_t size)
	Creates an empty compound datatype given a size, in bytes.
	CompType (const DataSet &dataset)
	Gets the compound datatype of the specified dataset.
H5T_class_t	getMemberClass (unsigned member_num) const
	Gets the type class of the specified member.
int	getMemberIndex (const char *name) const
	Returns the index of a member in this compound datatype.
int	getMemberIndex (const H5std_string &name) const
size_t	getMemberOffset (unsigned memb_no) const
	Returns the byte offset of the beginning of a member with respect to the beginning of the compound data type datum.
H5std_string	getMemberName (unsigned member_num) const
	Returns the name of a member in this compound datatype.
DataType	getMemberDataType (unsigned member_num) const
	Returns the generic datatype of the specified member in this compound datatype.
ArrayType	getMemberArrayType (unsigned member_num) const
	Returns the array datatype of the specified member in this compound datatype.
CompType	getMemberCompType (unsigned member_num) const
	Returns the compound datatype of the specified member in this compound datatype.
EnumType	getMemberEnumType (unsigned member_num) const
	Returns the enumeration datatype of the specified member in this compound datatype.
IntType	getMemberIntType (unsigned member_num) const
	Returns the integer datatype of the specified member in this compound datatype.
FloatType	getMemberFloatType (unsigned member_num) const
	Returns the floating-point datatype of the specified member in this compound datatype.
StrType	getMemberStrType (unsigned member_num) const
	Returns the string datatype of the specified member in this compound datatype.
VarLenType	getMemberVarLenType (unsigned member_num) const
	Returns the variable length datatype of the specified member in this compound datatype.
int	getNmembers () const
	Returns the number of members in this compound datatype.
void	insertMember (const H5std_string &name, size_t offset, const DataType &new_member) const
	Inserts a new member to this compound datatype.
void	pack () const
	Recursively removes padding from within a compound datatype.
virtual H5std_string	fromClass () const
	CompType ()
	Default constructor: Creates a stub compound datatype.
	CompType (const hid_t existing_id)
	Creates a CompType object using the id of an existing datatype.
	CompType (const CompType &original)
	Copy constructor: makes copy of the original CompType object.
virtual	~CompType ()
	Properly terminates access to this compound datatype.

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Detailed Description

Examples:

compound.cpp.

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Constructor & Destructor Documentation

H5::CompType::CompType

(

size_t

size

)

Creates an empty compound datatype given a size, in bytes.

Parameters:

size

- IN: Number of bytes in the datatype to create

Exceptions:

H5::DataTypeIException

H5::CompType::CompType

(

const DataSet &

dataset

)

Gets the compound datatype of the specified dataset.

Parameters:

dataset

- IN: Dataset that this enum datatype associates with

Returns:

CompType instance

Exceptions:

H5::DataTypeIException

H5::CompType::CompType

(

)

Default constructor: Creates a stub compound datatype.

H5::CompType::CompType

(

const hid_t

existing_id

)

Creates a CompType object using the id of an existing datatype.

Parameters:

existing_id

- IN: Id of an existing compound datatype

H5::CompType::CompType

(

const CompType &

original

)

Copy constructor: makes copy of the original CompType object.

Parameters:

original

- IN: Original CompType instance

H5::CompType::~CompType

(

)

[virtual]

Properly terminates access to this compound datatype.

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Member Function Documentation

H5T_class_t H5::CompType::getMemberClass

(

unsigned

member_num

)

const

Gets the type class of the specified member.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

Type class of the member

Exceptions:

H5::DataTypeIException

int H5::CompType::getMemberIndex

(

const char *

name

)

const

Returns the index of a member in this compound datatype.

Parameters:

name

- IN: Name of the member

Returns:

Index of member

Exceptions:

H5::DataTypeIException

Description

Members are stored in no particular order with numbers 0 through N-1, where N is the value returned by the member function CompType::getNmembers.

int H5::CompType::getMemberIndex

(

const H5std_string &

name

)

const

size_t H5::CompType::getMemberOffset

(

unsigned

member_num

)

const

Returns the byte offset of the beginning of a member with respect to the beginning of the compound data type datum.

Members are stored in no particular order with numbers 0 through N-1, where N is the value returned by the member function CompType::getNmembers.

H5std_string H5::CompType::getMemberName

(

unsigned

member_num

)

const

Returns the name of a member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

Name of member

Exceptions:

H5::DataTypeIException

DataType H5::CompType::getMemberDataType

(

unsigned

member_num

)

const

Returns the generic datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

DataType instance

Exceptions:

H5::DataTypeIException

ArrayType H5::CompType::getMemberArrayType

(

unsigned

member_num

)

const

Returns the array datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

ArrayType instance

Exceptions:

H5::DataTypeIException

CompType H5::CompType::getMemberCompType

(

unsigned

member_num

)

const

Returns the compound datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

CompType instance

Exceptions:

H5::DataTypeIException

EnumType H5::CompType::getMemberEnumType

(

unsigned

member_num

)

const

Returns the enumeration datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

EnumType instance

Exceptions:

H5::DataTypeIException

IntType H5::CompType::getMemberIntType

(

unsigned

member_num

)

const

Returns the integer datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

IntType instance

Exceptions:

H5::DataTypeIException

FloatType H5::CompType::getMemberFloatType

(

unsigned

member_num

)

const

Returns the floating-point datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

FloatType instance

Exceptions:

H5::DataTypeIException

StrType H5::CompType::getMemberStrType

(

unsigned

member_num

)

const

Returns the string datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

StrType instance

Exceptions:

H5::DataTypeIException

VarLenType H5::CompType::getMemberVarLenType

(

unsigned

member_num

)

const

Returns the variable length datatype of the specified member in this compound datatype.

Parameters:

member_num

- IN: Zero-based index of the member

Returns:

VarLenType instance

Exceptions:

H5::DataTypeIException

int H5::CompType::getNmembers

(

)

const

Returns the number of members in this compound datatype.

Returns:

Number of members

Exceptions:

H5::DataTypeIException

void H5::CompType::insertMember	(	const H5std_string &	name,
		size_t	offset,
		const DataType &	new_member
	)			const

Inserts a new member to this compound datatype.

Parameters:

	name	- IN: Name of the new member
	offset	- IN: Offset in memory structure of the field to insert
	new_member	- IN: New member to be inserted

Exceptions:

H5::DataTypeIException

void H5::CompType::pack

(

)

const

Recursively removes padding from within a compound datatype.

Exceptions:

H5::DataTypeIException

virtual H5std_string H5::CompType::fromClass

(

)

const [inline, virtual]

Reimplemented from H5::DataType.

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