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[svn-r8584] Purpose:

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Add another wrapper - incrementally check-in

Description:
    Added an overloaded wrapper for H5Rcreate to H5Object.* and tests
    will be added later.  Also, corrected some comments.

Platforms:
    SunOS 5.7 (arabica)
    Linux 2.4 (eirene)


Misc. update:
This commit is contained in:
Binh-Minh Ribler 2004-05-26 15:19:40 -05:00
parent 6223a679ce
commit b4cab24117
2 changed files with 37 additions and 9 deletions
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39
c++/src/H5Object.cpp
View File

@ -187,9 +187,9 @@ Attribute H5Object::openAttribute( const unsigned int idx ) const
///\param user_op - IN: User's function to operate on each attribute
///\param idx - IN/OUT: Starting (IN) and ending (OUT) attribute indices
///\param op_data - IN: User's data to pass to user's operator function
///\return <need fix>
///\return Returned value of the last operator if it was non-zero, or
/// zero if all attributes were processed
///\exception H5::AttributeIException
///\par Description
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
int H5Object::iterateAttrs( attr_operator_t user_op, unsigned * idx, void *op_data )
@ -282,30 +282,55 @@ void H5Object::flush(H5F_scope_t scope ) const
}
}
//--------------------------------------------------------------------------
// Function: H5Object::Reference
///\brief Creates a reference to an Hdf5 object.
///\param name - IN: Name of the object to be referenced
///\return A reference
///\exception H5::ReferenceIException
///\par Description
// This function passes H5R_OBJECT and -1 to the C API H5Rcreate
// to create a reference to the named object. The next function
// will create a reference to a dataset region.
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void* H5Object::Reference(const char* name) const
{
void *ref;
herr_t ret_value = H5Rcreate(ref, id, name, H5R_OBJECT, -1);
if (ret_value < 0)
{
throw AttributeIException("H5Object::Reference",
"H5Rcreate failed");
}
return(ref);
}
//--------------------------------------------------------------------------
// Function: H5Object::Reference
///\brief Creates a reference.
///\param name - IN: Name of the object to be referenced
///\param dataspace - IN: Dataspace with selection
///\param ref_type - IN: Type of reference; default to \c H5R_DATASET_REGION
///\return A reference
///\exception H5::ReferenceIException
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void* H5Object::Reference(const char* name, H5R_type_t ref_type, DataSpace& dataspace) const
void* H5Object::Reference(const char* name, DataSpace& dataspace, H5R_type_t ref_type) const
{
void *ref;
herr_t ret_value = H5Rcreate(ref, id, name, ref_type, dataspace.getId());
if (ret_value < 0)
{
throw AttributeIException("H5Object::getNumAttrs",
"H5Aget_num_attrs failed - returned negative number of attributes");
throw AttributeIException("H5Object::Reference",
"H5Rcreate failed");
}
return(ref);
}
//--------------------------------------------------------------------------
// Function: H5Object destructor
///\brief Subclasses destructors will properly terminate access to
/// this H5 object.
///\brief Noop destructor.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5Object::~H5Object() {}

7
c++/src/H5Object.h
View File

@ -85,8 +85,11 @@ class H5_DLLCPP H5Object : public IdComponent {
void removeAttr( const string& name ) const;
void removeAttr( const char* name ) const;
// Creates a reference to a named H5 object in this object.
void* Reference(const char* name, H5R_type_t ref_type, DataSpace& dataspace) const;
// Creates a reference to a named Hdf5 object in this object.
void* Reference(const char* name) const;
// Creates a reference to a dataset region in this object.
void* Reference(const char* name, DataSpace& dataspace, H5R_type_t ref_type = H5R_DATASET_REGION) const;
virtual ~H5Object();