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HDF5  1.15.0
API Reference
 
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DataType Class Reference

#include <c++/src/H5DataType.h>

Detailed Description

Class DataType provides generic operations on HDF5 datatypes.

DataType inherits from H5Object because a named datatype is an HDF5 object and is a base class of ArrayType, AtomType, CompType, EnumType, and VarLenType.

+ Inheritance diagram for DataType:
+ Collaboration diagram for DataType:

Public Member Functions

 DataType (const H5T_class_t type_class, size_t size)
 
 DataType (const DataType &original)
 
 DataType (const PredType &pred_type)
 
 DataType (const H5Location &loc, const char *name)
 
 DataType (const H5Location &loc, const H5std_string &name)
 
 DataType (const H5Location &loc, const void *ref, H5R_type_t ref_type=H5R_OBJECT, const PropList &plist=PropList::DEFAULT)
 
virtual void close () override
 
void copy (const DataType &like_type)
 
void copy (const DataSet &dset)
 
virtual DataTypedecode () const
 
void encode ()
 
H5T_class_t getClass () const
 
void commit (const H5Location &loc, const char *name)
 
void commit (const H5Location &loc, const H5std_string &name)
 
bool committed () const
 
H5T_conv_t find (const DataType &dest, H5T_cdata_t **pcdata) const
 
void convert (const DataType &dest, size_t nelmts, void *buf, void *background, const PropList &plist=PropList::DEFAULT) const
 
DataTypeoperator= (const DataType &rhs)
 
bool operator== (const DataType &compared_type) const
 
bool operator!= (const DataType &compared_type) const
 
void lock () const
 
size_t getSize () const
 
DataType getSuper () const
 
void registerFunc (H5T_pers_t pers, const char *name, const DataType &dest, H5T_conv_t func) const
 
void registerFunc (H5T_pers_t pers, const H5std_string &name, const DataType &dest, H5T_conv_t func) const
 
void unregister (H5T_pers_t pers, const char *name, const DataType &dest, H5T_conv_t func) const
 
void unregister (H5T_pers_t pers, const H5std_string &name, const DataType &dest, H5T_conv_t func) const
 
void setTag (const char *tag) const
 
void setTag (const H5std_string &tag) const
 
H5std_string getTag () const
 
bool detectClass (H5T_class_t cls) const
 
bool isVariableStr () const
 
PropList getCreatePlist () const
 
virtual H5std_string fromClass () const override
 Returns this class name.
 
 DataType (const hid_t type_id)
 
 DataType ()
 
bool hasBinaryDesc () const
 
virtual hid_t getId () const override
 
virtual ~DataType () override
 
- Public Member Functions inherited from H5Object
Attribute createAttribute (const char *name, const DataType &type, const DataSpace &space, const PropList &create_plist=PropList::DEFAULT) const
 
Attribute createAttribute (const H5std_string &name, const DataType &type, const DataSpace &space, const PropList &create_plist=PropList::DEFAULT) const
 
Attribute openAttribute (const char *name) const
 
Attribute openAttribute (const H5std_string &name) const
 
Attribute openAttribute (const unsigned int idx) const
 
int iterateAttrs (attr_operator_t user_op, unsigned *idx=NULL, void *op_data=NULL)
 
void visit (H5_index_t idx_type, H5_iter_order_t order, visit_operator_t user_op, void *op_data, unsigned int fields)
 
unsigned objVersion () const
 
int getNumAttrs () const
 
bool attrExists (const char *name) const
 
bool attrExists (const H5std_string &name) const
 
void renameAttr (const char *oldname, const char *newname) const
 
void renameAttr (const H5std_string &oldname, const H5std_string &newname) const
 
void removeAttr (const char *name) const
 
void removeAttr (const H5std_string &name) const
 
ssize_t getObjName (char *obj_name, size_t buf_size=0) const
 
ssize_t getObjName (H5std_string &obj_name, size_t len=0) const
 
H5std_string getObjName () const
 
- Public Member Functions inherited from H5Location
bool nameExists (const char *name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
bool nameExists (const H5std_string &name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
bool exists (const char *name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
bool exists (const H5std_string &name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void flush (H5F_scope_t scope) const
 
H5std_string getFileName () const
 
H5G_obj_t getObjType (void *ref, H5R_type_t ref_type=H5R_OBJECT) const
 
H5O_type_t getRefObjType (void *ref, H5R_type_t ref_type=H5R_OBJECT) const
 
void setComment (const char *name, const char *comment) const
 
void setComment (const H5std_string &name, const H5std_string &comment) const
 
void setComment (const char *comment) const
 
void setComment (const H5std_string &comment) const
 
ssize_t getComment (const char *name, size_t buf_size, char *comment) const
 
H5std_string getComment (const char *name, size_t buf_size=0) const
 
H5std_string getComment (const H5std_string &name, size_t buf_size=0) const
 
void removeComment (const char *name) const
 
void removeComment (const H5std_string &name) const
 
void reference (void *ref, const char *name, H5R_type_t ref_type=H5R_OBJECT) const
 
void reference (void *ref, const H5std_string &name, H5R_type_t ref_type=H5R_OBJECT) const
 
void reference (void *ref, const char *name, const DataSpace &dataspace, H5R_type_t ref_type=H5R_DATASET_REGION) const
 
void reference (void *ref, const H5std_string &name, const DataSpace &dataspace, H5R_type_t ref_type=H5R_DATASET_REGION) const
 
void dereference (const H5Location &loc, const void *ref, H5R_type_t ref_type=H5R_OBJECT, const PropList &plist=PropList::DEFAULT)
 
DataSpace getRegion (void *ref, H5R_type_t ref_type=H5R_DATASET_REGION) const
 
Group createGroup (const char *name, const LinkCreatPropList &lcpl) const
 
Group createGroup (const H5std_string &name, const LinkCreatPropList &lcpl) const
 
Group createGroup (const char *name, size_t size_hint=0) const
 
Group createGroup (const H5std_string &name, size_t size_hint=0) const
 
Group openGroup (const char *name) const
 
Group openGroup (const H5std_string &name) const
 
DataSet createDataSet (const char *name, const DataType &data_type, const DataSpace &data_space, const DSetCreatPropList &create_plist=DSetCreatPropList::DEFAULT, const DSetAccPropList &dapl=DSetAccPropList::DEFAULT, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT) const
 
DataSet createDataSet (const H5std_string &name, const DataType &data_type, const DataSpace &data_space, const DSetCreatPropList &create_plist=DSetCreatPropList::DEFAULT, const DSetAccPropList &dapl=DSetAccPropList::DEFAULT, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT) const
 
DataSet openDataSet (const char *name, const DSetAccPropList &dapl=DSetAccPropList::DEFAULT) const
 
DataSet openDataSet (const H5std_string &name, const DSetAccPropList &dapl=DSetAccPropList::DEFAULT) const
 
H5L_info2_t getLinkInfo (const char *link_name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
H5L_info2_t getLinkInfo (const H5std_string &link_name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
H5std_string getLinkval (const char *link_name, size_t size=0) const
 
H5std_string getLinkval (const H5std_string &link_name, size_t size=0) const
 
hsize_t getNumObjs () const
 
H5std_string getObjnameByIdx (hsize_t idx) const
 
ssize_t getObjnameByIdx (hsize_t idx, char *name, size_t size) const
 
ssize_t getObjnameByIdx (hsize_t idx, H5std_string &name, size_t size) const
 
H5O_type_t childObjType (const H5std_string &objname) const
 
H5O_type_t childObjType (const char *objname) const
 
H5O_type_t childObjType (hsize_t index, H5_index_t index_type=H5_INDEX_NAME, H5_iter_order_t order=H5_ITER_INC, const char *objname=".") const
 
unsigned childObjVersion (const char *objname) const
 
unsigned childObjVersion (const H5std_string &objname) const
 
void getObjinfo (H5O_info2_t &objinfo, unsigned fields=H5O_INFO_BASIC) const
 
void getObjinfo (const char *name, H5O_info2_t &objinfo, unsigned fields=H5O_INFO_BASIC, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getObjinfo (const H5std_string &name, H5O_info2_t &objinfo, unsigned fields=H5O_INFO_BASIC, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getObjinfo (const char *grp_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t idx, H5O_info2_t &objinfo, unsigned fields=H5O_INFO_BASIC, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getObjinfo (const H5std_string &grp_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t idx, H5O_info2_t &objinfo, unsigned fields=H5O_INFO_BASIC, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getNativeObjinfo (H5O_native_info_t &objinfo, unsigned fields=H5O_NATIVE_INFO_HDR) const
 
void getNativeObjinfo (const char *name, H5O_native_info_t &objinfo, unsigned fields=H5O_NATIVE_INFO_HDR, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getNativeObjinfo (const H5std_string &name, H5O_native_info_t &objinfo, unsigned fields=H5O_NATIVE_INFO_HDR, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getNativeObjinfo (const char *grp_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t idx, H5O_native_info_t &objinfo, unsigned fields=H5O_NATIVE_INFO_HDR, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void getNativeObjinfo (const H5std_string &grp_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t idx, H5O_native_info_t &objinfo, unsigned fields=H5O_NATIVE_INFO_HDR, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
H5G_obj_t getObjTypeByIdx (hsize_t idx) const
 
H5G_obj_t getObjTypeByIdx (hsize_t idx, char *type_name) const
 
H5G_obj_t getObjTypeByIdx (hsize_t idx, H5std_string &type_name) const
 
void getObjinfo (const char *name, hbool_t follow_link, H5G_stat_t &statbuf) const
 
void getObjinfo (const H5std_string &name, hbool_t follow_link, H5G_stat_t &statbuf) const
 
void getObjinfo (const char *name, H5G_stat_t &statbuf) const
 
void getObjinfo (const H5std_string &name, H5G_stat_t &statbuf) const
 
int iterateElems (const char *name, int *idx, H5G_iterate_t op, void *op_data)
 
int iterateElems (const H5std_string &name, int *idx, H5G_iterate_t op, void *op_data)
 
void link (const char *target_name, const char *link_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (const H5std_string &target_name, const H5std_string &link_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (const char *curr_name, const Group &new_loc, const char *new_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (const H5std_string &curr_name, const Group &new_loc, const H5std_string &new_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (const char *curr_name, const hid_t same_loc, const char *new_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (const H5std_string &curr_name, const hid_t same_loc, const H5std_string &new_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void link (H5L_type_t link_type, const char *curr_name, const char *new_name) const
 
void link (H5L_type_t link_type, const H5std_string &curr_name, const H5std_string &new_name) const
 
void unlink (const char *link_name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void unlink (const H5std_string &link_name, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void mount (const char *name, const H5File &child, const PropList &plist) const
 
void mount (const H5std_string &name, const H5File &child, const PropList &plist) const
 
void unmount (const char *name) const
 
void unmount (const H5std_string &name) const
 
void copyLink (const char *src_name, const Group &dst, const char *dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void copyLink (const H5std_string &src_name, const Group &dst, const H5std_string &dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void copyLink (const char *src_name, const char *dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void copyLink (const H5std_string &src_name, const H5std_string &dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void moveLink (const char *src_name, const Group &dst, const char *dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void moveLink (const H5std_string &src_name, const Group &dst, const H5std_string &dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void moveLink (const char *src_name, const char *dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void moveLink (const H5std_string &src_name, const H5std_string &dst_name, const LinkCreatPropList &lcpl=LinkCreatPropList::DEFAULT, const LinkAccPropList &lapl=LinkAccPropList::DEFAULT) const
 
void move (const char *src, const char *dst) const
 
void move (const H5std_string &src, const H5std_string &dst) const
 
virtual void throwException (const H5std_string &func_name, const H5std_string &msg) const
 For subclasses, H5File and Group, to throw appropriate exception.
 
 H5Location ()
 
- Public Member Functions inherited from IdComponent
void incRefCount (const hid_t obj_id) const
 
void incRefCount () const
 
void decRefCount (const hid_t obj_id) const
 
void decRefCount () const
 
int getCounter (const hid_t obj_id) const
 
int getCounter () const
 
H5I_type_t getHDFObjType () const
 
IdComponentoperator= (const IdComponent &rhs)
 
void setId (const hid_t new_id)
 
H5std_string inMemFunc (const char *func_name) const
 
virtual ~IdComponent ()
 

Static Public Member Functions

static bool detectClass (const PredType &pred_type, H5T_class_t cls)
 
- Static Public Member Functions inherited from IdComponent
static H5I_type_t getHDFObjType (const hid_t obj_id)
 
static hsize_t getNumMembers (H5I_type_t type)
 
static bool isValid (hid_t an_id)
 
static bool typeExists (H5I_type_t type)
 

Protected Member Functions

hid_t p_decode () const
 
virtual void p_setId (const hid_t new_id) override
 
hid_t p_opentype (const H5Location &loc, const char *dtype_name) const
 
- Protected Member Functions inherited from H5Object
 H5Object ()
 
virtual ~H5Object () override
 
- Protected Member Functions inherited from H5Location
void p_reference (void *ref, const char *name, hid_t space_id, H5R_type_t ref_type) const
 
hid_t p_dereference (hid_t loc_id, const void *ref, H5R_type_t ref_type, const PropList &plist, const char *from_func)
 
H5G_obj_t p_get_obj_type (void *ref, H5R_type_t ref_type) const
 
H5O_type_t p_get_ref_obj_type (void *ref, H5R_type_t ref_type) const
 
virtual ~H5Location () override
 
- Protected Member Functions inherited from IdComponent
 IdComponent ()
 
H5std_string p_get_file_name () const
 

Protected Attributes

hid_t id
 

Friends

void f_DataType_setId (DataType *dtype, hid_t new_id)
 

Additional Inherited Members

- Static Protected Member Functions inherited from IdComponent
static bool p_valid_id (const hid_t obj_id)
 
- Static Protected Attributes inherited from IdComponent
static bool H5dontAtexit_called
 

Constructor & Destructor Documentation

◆ DataType() [1/8]

DataType ( const H5T_class_t  type_class,
size_t  size 
)

◆ DataType() [2/8]

DataType ( const DataType original)

◆ DataType() [3/8]

DataType ( const PredType pred_type)

◆ DataType() [4/8]

DataType ( const H5Location loc,
const char *  name 
)

◆ DataType() [5/8]

DataType ( const H5Location loc,
const H5std_string name 
)

◆ DataType() [6/8]

DataType ( const H5Location loc,
const void *  ref,
H5R_type_t  ref_type = H5R_OBJECT,
const PropList plist = PropList::DEFAULT 
)

◆ DataType() [7/8]

DataType ( const hid_t  type_id)

◆ DataType() [8/8]

DataType ( )

◆ ~DataType()

virtual ~DataType ( )
overridevirtual

Member Function Documentation

◆ close()

virtual void close ( )
overridevirtual

Implements IdComponent.

◆ commit() [1/2]

void commit ( const H5Location loc,
const char *  name 
)

◆ commit() [2/2]

void commit ( const H5Location loc,
const H5std_string name 
)

◆ committed()

bool committed ( ) const

◆ convert()

void convert ( const DataType dest,
size_t  nelmts,
void *  buf,
void *  background,
const PropList plist = PropList::DEFAULT 
) const

◆ copy() [1/2]

void copy ( const DataSet dset)

◆ copy() [2/2]

void copy ( const DataType like_type)

◆ decode()

virtual DataType * decode ( ) const
virtual

◆ detectClass() [1/2]

static bool detectClass ( const PredType pred_type,
H5T_class_t  cls 
)
static

◆ detectClass() [2/2]

bool detectClass ( H5T_class_t  cls) const

◆ encode()

void encode ( )

◆ find()

H5T_conv_t find ( const DataType dest,
H5T_cdata_t **  pcdata 
) const

◆ fromClass()

virtual H5std_string fromClass ( ) const
overridevirtual

Returns this class name.

Reimplemented from IdComponent.

Reimplemented in ArrayType, AtomType, CompType, EnumType, FloatType, IntType, PredType, StrType, and VarLenType.

◆ getClass()

H5T_class_t getClass ( ) const

◆ getCreatePlist()

PropList getCreatePlist ( ) const

◆ getId()

virtual hid_t getId ( ) const
overridevirtual

Implements H5Object.

◆ getSize()

size_t getSize ( ) const

◆ getSuper()

DataType getSuper ( ) const

◆ getTag()

H5std_string getTag ( ) const

◆ hasBinaryDesc()

bool hasBinaryDesc ( ) const

◆ isVariableStr()

bool isVariableStr ( ) const

◆ lock()

void lock ( ) const

◆ operator!=()

bool operator!= ( const DataType compared_type) const

◆ operator=()

DataType & operator= ( const DataType rhs)

◆ operator==()

bool operator== ( const DataType compared_type) const

◆ p_decode()

hid_t p_decode ( ) const
protected

◆ p_opentype()

hid_t p_opentype ( const H5Location loc,
const char *  dtype_name 
) const
protected

◆ p_setId()

virtual void p_setId ( const hid_t  new_id)
overrideprotectedvirtual

Implements H5Object.

◆ registerFunc() [1/2]

void registerFunc ( H5T_pers_t  pers,
const char *  name,
const DataType dest,
H5T_conv_t  func 
) const

◆ registerFunc() [2/2]

void registerFunc ( H5T_pers_t  pers,
const H5std_string name,
const DataType dest,
H5T_conv_t  func 
) const

◆ setTag() [1/2]

void setTag ( const char *  tag) const

◆ setTag() [2/2]

void setTag ( const H5std_string tag) const

◆ unregister() [1/2]

void unregister ( H5T_pers_t  pers,
const char *  name,
const DataType dest,
H5T_conv_t  func 
) const

◆ unregister() [2/2]

void unregister ( H5T_pers_t  pers,
const H5std_string name,
const DataType dest,
H5T_conv_t  func 
) const

Friends And Related Symbol Documentation

◆ f_DataType_setId

void f_DataType_setId ( DataType dtype,
hid_t  new_id 
)
friend

Field Documentation

◆ id

hid_t id
protected

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