hdf5/c++/src/H5CommonFG.cpp
Quincey Koziol bdd7d59902 [svn-r15628] Description:
Remove trailing whitespace from C/C++ source files, with the following
script:

    foreach f (*.[ch] *.cpp)
        sed 's/[[:blank:]]*$//' $f > sed.out && mv sed.out $f
    end

Tested on:
    Mac OS X/32 10.5.5 (amazon)
    No need for h5committest, just whitespace changes...
2008-09-16 10:52:51 -05:00

1151 lines
46 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
// remove when done
#include <iostream>
using std::cerr;
using std::endl;
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Object.h"
#include "H5FaccProp.h"
#include "H5FcreatProp.h"
#include "H5DxferProp.h"
#include "H5DcreatProp.h"
#include "H5CommonFG.h"
#include "H5Group.h"
#include "H5AbstractDs.h"
#include "H5DataSpace.h"
#include "H5DataSet.h"
#include "H5File.h"
#include "H5Alltypes.h"
// There are a few comments that are common to most of the functions
// defined in this file so they are listed here.
// - getLocId is called by all functions, that call a C API, to get
// the location id, which can be either a file id or a group id.
// This function is pure virtual and it's up to H5File and Group
// to call the right getId() - although, as the structure of the
// library at this time, getId() is basically the IdComponent::getId()
// - when a failure returned by the C API, the functions will call
// throwException, which is a pure virtual function and is implemented
// by H5File to throw a FileIException and by Group to throw a
// GroupIException.
// December 2000
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
//--------------------------------------------------------------------------
// Function: CommonFG::createGroup
///\brief Creates a new group at this location which can be a file
/// or another group.
///\param name - IN: Name of the group to create
///\param size_hint - IN: Indicates the number of bytes to reserve for
/// the names that will appear in the group
///\return Group instance
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// The optional \a size_hint specifies how much file space to
/// reserve for storing the names that will appear in this new
/// group. If a non-positive value is provided for the \a size_hint
/// then a default size is chosen.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group CommonFG::createGroup( const char* name, size_t size_hint ) const
{
// Create group creation property list for size_hint
hid_t gcpl_id = H5Pcreate(H5P_GROUP_CREATE);
// If the creation of the property list failed, throw an exception
if( gcpl_id < 0 )
throwException("createGroup", "H5Pcreate failed");
// Set the local heap size hint
if( H5Pset_local_heap_size_hint(gcpl_id, size_hint) < 0) {
H5Pclose(gcpl_id);
throwException("createGroup", "H5Pset_local_heap_size failed");
}
// Call C routine H5Gcreate2 to create the named group, giving the
// location id which can be a file id or a group id
hid_t group_id = H5Gcreate2( getLocId(), name, H5P_DEFAULT, gcpl_id, H5P_DEFAULT );
// Close the group creation property list
H5Pclose(gcpl_id);
// If the creation of the group failed, throw an exception
if( group_id < 0 )
throwException("createGroup", "H5Gcreate2 failed");
// No failure, create and return the Group object
Group group( group_id );
return( group );
}
//--------------------------------------------------------------------------
// Function: CommonFG::createGroup
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group CommonFG::createGroup( const H5std_string& name, size_t size_hint ) const
{
return( createGroup( name.c_str(), size_hint ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::openGroup
///\brief Opens an existing group in a location which can be a file
/// or another group.
///\param name - IN: Name of the group to open
///\return Group instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group CommonFG::openGroup( const char* name ) const
{
// Call C routine H5Gopen2 to open the named group, giving the
// location id which can be a file id or a group id
hid_t group_id = H5Gopen2( getLocId(), name, H5P_DEFAULT );
// If the opening of the group failed, throw an exception
if( group_id < 0 )
{
throwException("openGroup", "H5Gopen2 failed");
}
// No failure, create and return the Group object
Group group( group_id );
return( group );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openGroup
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group CommonFG::openGroup( const H5std_string& name ) const
{
return( openGroup( name.c_str() ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::createDataSet
///\brief Creates a new dataset at this location.
///\param name - IN: Name of the dataset to create
///\param data_type - IN: Datatype of the dataset
///\param data_space - IN: Dataspace for the dataset
///\param create_plist - IN: Creation properly list for the dataset
///\return DataSet instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataSet CommonFG::createDataSet( const char* name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist ) const
{
// Obtain identifiers for C API
hid_t type_id = data_type.getId();
hid_t space_id = data_space.getId();
hid_t create_plist_id = create_plist.getId();
// Call C routine H5Dcreate2 to create the named dataset
hid_t dataset_id = H5Dcreate2( getLocId(), name, type_id, space_id, H5P_DEFAULT, create_plist_id, H5P_DEFAULT );
// If the creation of the dataset failed, throw an exception
if( dataset_id < 0 )
{
throwException("createDataSet", "H5Dcreate2 failed");
}
// No failure, create and return the DataSet object
DataSet dataset( dataset_id );
return( dataset );
}
//--------------------------------------------------------------------------
// Function: CommonFG::createDataSet
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataSet CommonFG::createDataSet( const H5std_string& name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist ) const
{
return( createDataSet( name.c_str(), data_type, data_space, create_plist ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::openDataSet
///\brief Opens an existing dataset at this location.
///\param name - IN: Name of the dataset to open
///\return DataSet instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataSet CommonFG::openDataSet( const char* name ) const
{
// Call C function H5Dopen2 to open the specified dataset, giving
// the location id and the dataset's name
hid_t dataset_id = H5Dopen2( getLocId(), name, H5P_DEFAULT );
// If the dataset's opening failed, throw an exception
if(dataset_id < 0)
throwException("openDataSet", "H5Dopen2 failed");
// No failure, create and return the DataSet object
DataSet dataset( dataset_id );
return( dataset );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openDataSet
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataSet CommonFG::openDataSet( const H5std_string& name ) const
{
return( openDataSet( name.c_str() ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::link
///\brief Creates a link of the specified type from \a new_name to
/// \a curr_name.
///\param link_type - IN: Link type; possible values are
/// \li \c H5G_LINK_HARD
/// \li \c H5G_LINK_SOFT
///\param curr_name - IN: Name of the existing object if link is a hard
/// link; can be anything for the soft link
///\param new_name - IN: New name for the object
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// Note that both names are interpreted relative to the
/// specified location.
/// For information on creating hard link and soft link, please
/// refer to the C layer Reference Manual at:
/// http://hdfgroup.org/HDF5/doc/RM/RM_H5L.html#Link-CreateHard and
/// http://hdfgroup.org/HDF5/doc/RM/RM_H5L.html#Link-CreateSoft
// Programmer Binh-Minh Ribler - 2000
// Modification
// 2007: QAK modified to use H5L APIs - BMR
//--------------------------------------------------------------------------
void CommonFG::link( H5L_type_t link_type, const char* curr_name, const char* new_name ) const
{
herr_t ret_value;
switch(link_type) {
case H5L_TYPE_HARD:
ret_value = H5Lcreate_hard( getLocId(), curr_name, H5L_SAME_LOC, new_name, H5P_DEFAULT, H5P_DEFAULT );
break;
case H5L_TYPE_SOFT:
ret_value = H5Lcreate_soft( curr_name, getLocId(), new_name, H5P_DEFAULT, H5P_DEFAULT );
break;
default:
throwException("link", "unknown link type");
break;
} /* end switch */
if( ret_value < 0 )
{
throwException("link", "creating link failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::link
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a curr_name and \a new_name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::link( H5L_type_t link_type, const H5std_string& curr_name, const H5std_string& new_name ) const
{
link( link_type, curr_name.c_str(), new_name.c_str() );
}
//--------------------------------------------------------------------------
// Function: CommonFG::unlink
///\brief Removes the specified name at this location.
///\param name - IN: Name of the object to be removed
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
// Modification
// 2007: QAK modified to use H5L APIs - BMR
//--------------------------------------------------------------------------
void CommonFG::unlink( const char* name ) const
{
herr_t ret_value = H5Ldelete( getLocId(), name, H5P_DEFAULT );
if( ret_value < 0 )
{
throwException("unlink", "H5Ldelete failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::unlink
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::unlink( const H5std_string& name ) const
{
unlink( name.c_str() );
}
//--------------------------------------------------------------------------
// Function: CommonFG::move
///\brief Renames an object at this location.
///\param src - IN: Object's original name
///\param dst - IN: Object's new name
///\exception H5::FileIException or H5::GroupIException
///\note
/// Exercise care in moving groups as it is possible to render
/// data in a file inaccessible with Group::move. Please refer
/// to the Group Interface in the HDF5 User's Guide at:
/// http://hdf.ncsa.uiuc.edu/HDF5/doc/Groups.html
// Programmer Binh-Minh Ribler - 2000
// Modification
// 2007: QAK modified to use H5L APIs - BMR
//--------------------------------------------------------------------------
void CommonFG::move( const char* src, const char* dst ) const
{
herr_t ret_value = H5Lmove( getLocId(), src, H5L_SAME_LOC, dst, H5P_DEFAULT, H5P_DEFAULT );
if( ret_value < 0 )
{
throwException("move", "H5Lmove failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::move
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a src and \a dst.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::move( const H5std_string& src, const H5std_string& dst ) const
{
move( src.c_str(), dst.c_str() );
}
#ifndef H5_NO_DEPRECATED_SYMBOLS
//--------------------------------------------------------------------------
// Function: CommonFG::getObjinfo
///\brief Returns information about an object.
///\param name - IN: Name of the object
///\param follow_link - IN: Link flag
///\param statbuf - OUT: Buffer to return information about the object
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// For more information, please refer to the C layer Reference
/// Manual at:
/// http://hdf.ncsa.uiuc.edu/HDF5/doc/RM_H5G.html#Group-GetObjinfo
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::getObjinfo( const char* name, hbool_t follow_link, H5G_stat_t& statbuf ) const
{
herr_t ret_value = H5Gget_objinfo( getLocId(), name, follow_link, &statbuf );
if( ret_value < 0 )
{
throwException("getObjinfo", "H5Gget_objinfo failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjinfo
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::getObjinfo( const H5std_string& name, hbool_t follow_link, H5G_stat_t& statbuf ) const
{
getObjinfo( name.c_str(), follow_link, statbuf );
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjinfo
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above functions in that it doesn't have
/// the paramemter \a follow_link.
// Programmer Binh-Minh Ribler - Nov, 2005
// Note: need to modify to use H5Oget_info and H5Lget_info - BMR
//--------------------------------------------------------------------------
void CommonFG::getObjinfo( const char* name, H5G_stat_t& statbuf ) const
{
herr_t ret_value = H5Gget_objinfo( getLocId(), name, 0, &statbuf );
if( ret_value < 0 )
{
throwException("getObjinfo", "H5Gget_objinfo failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjinfo
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - Nov, 2005
//--------------------------------------------------------------------------
void CommonFG::getObjinfo( const H5std_string& name, H5G_stat_t& statbuf ) const
{
getObjinfo( name.c_str(), statbuf );
}
#endif /* H5_NO_DEPRECATED_SYMBOLS */
//--------------------------------------------------------------------------
// Function: CommonFG::getLinkval
///\brief Returns the name of the object that the symbolic link points to.
///\param name - IN: Symbolic link to the object
///\param size - IN: Maximum number of characters of value to be returned
///\return Name of the object
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5std_string CommonFG::getLinkval( const char* name, size_t size ) const
{
char* value_C = new char[size+1]; // temporary C-string for C API
herr_t ret_value = H5Lget_val( getLocId(), name, value_C, size, H5P_DEFAULT );
if( ret_value < 0 )
{
throwException("getLinkval", "H5Lget_val failed");
}
H5std_string value = H5std_string( value_C );
delete []value_C;
return( value );
}
//--------------------------------------------------------------------------
// Function: CommonFG::getLinkval
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5std_string CommonFG::getLinkval( const H5std_string& name, size_t size ) const
{
return( getLinkval( name.c_str(), size ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::setComment
///\brief Sets or resets the comment for an object specified by its name.
///\param name - IN: Name of the object
///\param comment - IN: New comment
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// If \a comment is an empty string or a null pointer, the comment
/// message is removed from the object.
/// Comments should be relatively short, null-terminated, ASCII
/// strings. They can be attached to any object that has an
/// object header, e.g., data sets, groups, named data types,
/// and data spaces, but not symbolic links.
// Programmer Binh-Minh Ribler - 2000
// Modification
// 2007: QAK modified to use H5O APIs; however the first parameter is
// no longer just file or group, this function should be moved
// to another class to accommodate attribute, dataset, and named
// datatype. - BMR
//--------------------------------------------------------------------------
void CommonFG::setComment( const char* name, const char* comment ) const
{
herr_t ret_value = H5Oset_comment_by_name( getLocId(), name, comment, H5P_DEFAULT );
if( ret_value < 0 )
{
throwException("setComment", "H5Oset_comment_by_name failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::setComment
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name and \a comment.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::setComment( const H5std_string& name, const H5std_string& comment ) const
{
setComment( name.c_str(), comment.c_str() );
}
//--------------------------------------------------------------------------
// Function: CommonFG::removeComment
///\brief Removes the comment from an object specified by its name.
///\param name - IN: Name of the object
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - May 2005
// 2007: QAK modified to use H5O APIs; however the first parameter is
// no longer just file or group, this function should be moved
// to another class to accommodate attribute, dataset, and named
// datatype. - BMR
//--------------------------------------------------------------------------
void CommonFG::removeComment(const char* name) const
{
herr_t ret_value = H5Oset_comment_by_name(getLocId(), name, NULL, H5P_DEFAULT);
if( ret_value < 0 )
{
throwException("removeComment", "H5Oset_comment_by_name failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::removeComment
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - May 2005
//--------------------------------------------------------------------------
void CommonFG::removeComment(const H5std_string& name) const
{
removeComment (name.c_str());
}
//--------------------------------------------------------------------------
// Function: CommonFG::getComment
///\brief Retrieves comment for the specified object.
///\param name - IN: Name of the object
///\return Comment string
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - May 2005
// 2007: QAK modified to use H5O APIs; however the first parameter is
// no longer just file or group, this function should be moved
// to another class to accommodate attribute, dataset, and named
// datatype. - BMR
//--------------------------------------------------------------------------
H5std_string CommonFG::getComment (const H5std_string& name) const
{
size_t bufsize = 256; // anticipating the comment's length
hid_t loc_id = getLocId(); // temporary variable
// temporary C-string for the object's comment
char* comment_C = new char[bufsize+1];
ssize_t ret_value = H5Oget_comment_by_name(loc_id, name.c_str(), comment_C, bufsize, H5P_DEFAULT);
// if the actual length of the comment is longer than the anticipated
// value, then call H5Oget_comment_by_name again with the correct value
if ((size_t)ret_value > bufsize)
{
bufsize = ret_value;
delete []comment_C;
comment_C = new char[bufsize+1];
ret_value = H5Oget_comment_by_name(loc_id, name.c_str(), comment_C, bufsize, H5P_DEFAULT);
}
// if H5Oget_comment_by_name returns SUCCEED, return the string comment,
// otherwise, throw an exception
if( ret_value < 0 )
{
throwException("getComment", "H5Oget_comment_by_name failed");
}
H5std_string comment = H5std_string(comment_C);
delete []comment_C;
return (comment);
}
//--------------------------------------------------------------------------
// Function: CommonFG::getComment
///\brief Retrieves comment for the specified object and its comment's
/// length.
///\param name - IN: Name of the object
///\param bufsize - IN: Length of the comment to retrieve
///\return Comment string
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
// 2007: QAK modified to use H5O APIs; however the first parameter is
// no longer just file or group, this function should be moved
// to another class to accommodate attribute, dataset, and named
// datatype. - BMR
//--------------------------------------------------------------------------
H5std_string CommonFG::getComment( const char* name, size_t bufsize ) const
{
// temporary C-string for the object's comment
char* comment_C = new char[bufsize+1];
herr_t ret_value = H5Oget_comment_by_name( getLocId(), name, comment_C, bufsize, H5P_DEFAULT );
// if H5Oget_comment_by_name returns SUCCEED, return the string comment
if( ret_value < 0 )
{
throwException("getComment", "H5Oget_comment_by_name failed");
}
H5std_string comment = H5std_string(comment_C);
delete []comment_C;
return( comment );
}
//--------------------------------------------------------------------------
// Function: CommonFG::getComment
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5std_string CommonFG::getComment( const H5std_string& name, size_t bufsize ) const
{
return( getComment( name.c_str(), bufsize ));
}
//--------------------------------------------------------------------------
// Function: CommonFG::mount
///\brief Mounts the file \a child onto this group.
///\param name - IN: Name of the group
///\param child - IN: File to mount
///\param plist - IN: Property list to use
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::mount( const char* name, H5File& child, PropList& plist ) const
{
// Obtain identifiers for C API
hid_t plist_id = plist.getId();
hid_t child_id = child.getId();
// Call C routine H5Fmount to do the mouting
herr_t ret_value = H5Fmount( getLocId(), name, child_id, plist_id );
// Raise exception if H5Fmount returns negative value
if( ret_value < 0 )
{
throwException("mount", "H5Fmount failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::mount
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::mount( const H5std_string& name, H5File& child, PropList& plist ) const
{
mount( name.c_str(), child, plist );
}
//--------------------------------------------------------------------------
// Function: CommonFG::unmount
///\brief Unmounts the specified file.
///\param name - IN: Name of the file to unmount
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::unmount( const char* name ) const
{
// Call C routine H5Fmount to do the mouting
herr_t ret_value = H5Funmount( getLocId(), name );
// Raise exception if H5Funmount returns negative value
if( ret_value < 0 )
{
throwException("unmount", "H5Funmount failed");
}
}
//--------------------------------------------------------------------------
// Function: CommonFG::unmount
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void CommonFG::unmount( const H5std_string& name ) const
{
unmount( name.c_str() );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openDataType
///\brief Opens the named generic datatype at this location.
///\param name - IN: Name of the datatype to open
///\return DataType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType CommonFG::openDataType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openDataType", "H5Topen2 failed");
// No failure, create and return the DataType object
DataType data_type(type_id);
return(data_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openDataType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType CommonFG::openDataType( const H5std_string& name ) const
{
return( openDataType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openArrayType
///\brief Opens the named array datatype at this location.
///\param name - IN: Name of the array datatype to open
///\return ArrayType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - Jul, 2005
//--------------------------------------------------------------------------
ArrayType CommonFG::openArrayType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openArrayType", "H5Topen2 failed");
// No failure, create and return the ArrayType object
ArrayType array_type (type_id);
return(array_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openArrayType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - Jul, 2005
//--------------------------------------------------------------------------
ArrayType CommonFG::openArrayType( const H5std_string& name ) const
{
return( openArrayType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openCompType
///\brief Opens the named compound datatype at this location.
///\param name - IN: Name of the compound datatype to open
///\return CompType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
CompType CommonFG::openCompType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openCompType", "H5Topen2 failed");
// No failure, create and return the CompType object
CompType comp_type(type_id);
return(comp_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openCompType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
CompType CommonFG::openCompType( const H5std_string& name ) const
{
return( openCompType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openEnumType
///\brief Opens the named enumeration datatype at this location.
///\param name - IN: Name of the enumeration datatype to open
///\return EnumType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
EnumType CommonFG::openEnumType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openEnumType", "H5Topen2 failed");
// No failure, create and return the EnumType object
EnumType enum_type(type_id);
return(enum_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openEnumType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
EnumType CommonFG::openEnumType( const H5std_string& name ) const
{
return( openEnumType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openIntType
///\brief Opens the named integer datatype at this location.
///\param name - IN: Name of the integer datatype to open
///\return IntType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
IntType CommonFG::openIntType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openIntType", "H5Topen2 failed");
// No failure, create and return the IntType object
IntType int_type(type_id);
return(int_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openIntType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
IntType CommonFG::openIntType( const H5std_string& name ) const
{
return( openIntType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openFloatType
///\brief Opens the named floating-point datatype at this location.
///\param name - IN: Name of the floating-point datatype to open
///\return FloatType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
FloatType CommonFG::openFloatType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openFloatType", "H5Topen2 failed");
// No failure, create and return the FloatType object
FloatType float_type(type_id);
return(float_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openFloatType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
FloatType CommonFG::openFloatType( const H5std_string& name ) const
{
return( openFloatType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openStrType
///\brief Opens the named string datatype at this location.
///\param name - IN: Name of the string datatype to open
///\return StrType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType CommonFG::openStrType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openStrType", "H5Topen2 failed");
// No failure, create and return the StrType object
StrType str_type(type_id);
return(str_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openStrType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
StrType CommonFG::openStrType( const H5std_string& name ) const
{
return( openStrType( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: CommonFG::openVarLenType
///\brief Opens the named variable length datatype at this location.
///\param name - IN: Name of the variable length datatype to open
///\return VarLenType instance
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - Jul, 2005
//--------------------------------------------------------------------------
VarLenType CommonFG::openVarLenType( const char* name ) const
{
// Call C function H5Topen2 to open the named datatype in this group,
// given either the file or group id
hid_t type_id = H5Topen2(getLocId(), name, H5P_DEFAULT);
// If the datatype's opening failed, throw an exception
if( type_id < 0 )
throwException("openVarLenType", "H5Topen2 failed");
// No failure, create and return the VarLenType object
VarLenType varlen_type(type_id);
return(varlen_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::openVarLenType
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - Jul, 2005
//--------------------------------------------------------------------------
VarLenType CommonFG::openVarLenType( const H5std_string& name ) const
{
return( openVarLenType( name.c_str()) );
}
#ifndef H5_NO_DEPRECATED_SYMBOLS
//--------------------------------------------------------------------------
// Function: CommonFG::iterateElems
///\brief Iterates a user's function over the entries of a group.
///\param name - IN : Name of group to iterate over
///\param idx - IN/OUT: Starting (IN) and ending (OUT) entry indices
///\param op - IN : User's function to operate on each entry
///\param op_data - IN/OUT: Data associated with the operation
///\return The return value of the first operator that returns non-zero,
/// or zero if all members were processed with no operator
/// returning non-zero.
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
int CommonFG::iterateElems( const char* name, int *idx, H5G_iterate_t op , void* op_data )
{
int ret_value = H5Giterate( getLocId(), name, idx, op, op_data );
if( ret_value < 0 )
{
throwException("iterateElems", "H5Giterate failed");
}
return( ret_value );
}
//--------------------------------------------------------------------------
// Function: CommonFG::iterateElems
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function in that it takes an
/// \c std::string for \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
int CommonFG::iterateElems( const H5std_string& name, int *idx, H5G_iterate_t op , void* op_data )
{
return( iterateElems( name.c_str(), idx, op, op_data ));
}
#endif /* H5_NO_DEPRECATED_SYMBOLS */
//--------------------------------------------------------------------------
// Function: CommonFG::getNumObjs
///\brief Returns the number of objects in this group.
///\return Number of objects
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - January, 2003
//--------------------------------------------------------------------------
hsize_t CommonFG::getNumObjs() const
{
H5G_info_t ginfo; /* Group information */
herr_t ret_value = H5Gget_info(getLocId(), &ginfo);
if(ret_value < 0)
{
throwException("getNumObjs", "H5Gget_info failed");
}
return (ginfo.nlinks);
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjnameByIdx
///\brief Returns the name of an object in this group, given the
/// object's index.
///\param idx - IN: Transient index of the object
///\return Object name
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// The value of idx can be any nonnegative number less than the
/// total number of objects in the group, which is returned by
/// the function \c CommonFG::getNumObjs. Note that this is a
/// transient index; thus, an object may have a different index
/// each time the group is opened.
// Programmer Binh-Minh Ribler - Mar, 2005
//--------------------------------------------------------------------------
H5std_string CommonFG::getObjnameByIdx(hsize_t idx) const
{
// call H5Lget_name_by_idx with name as NULL to get its length
ssize_t name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, NULL, 0, H5P_DEFAULT);
if(name_len < 0)
{
throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
}
// now, allocate C buffer to get the name
char* name_C = new char[name_len+1];
name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, name_C, name_len+1, H5P_DEFAULT);
// clean up and return the string
H5std_string name = H5std_string(name_C);
delete []name_C;
return (name);
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjnameByIdx
///\brief Retrieves the name of an object in this group, given the
/// object's index.
///\param idx - IN: Transient index of the object
///\param name - IN/OUT: Retrieved name of the object
///\param size - IN: Length to retrieve
///\return Actual size of the object name or 0, if object has no name
///\exception H5::FileIException or H5::GroupIException
///\par Description
/// The value of idx can be any nonnegative number less than the
/// total number of objects in the group, which is returned by
/// the function \c CommonFG::getNumObjs. Note that this is a
/// transient index; thus, an object may have a different index
/// each time the group is opened.
// Programmer Binh-Minh Ribler - January, 2003
//--------------------------------------------------------------------------
ssize_t CommonFG::getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size) const
{
char* name_C = new char[size];
ssize_t name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, name_C, size, H5P_DEFAULT);
if(name_len < 0)
{
throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
}
name = H5std_string(name_C);
delete []name_C;
return (name_len);
}
#ifndef H5_NO_DEPRECATED_SYMBOLS
//--------------------------------------------------------------------------
// Function: CommonFG::getObjTypeByIdx
///\brief Returns the type of an object in this group, given the
/// object's index.
///\param idx - IN: Transient index of the object
///\return Object type
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - January, 2003
//--------------------------------------------------------------------------
H5G_obj_t CommonFG::getObjTypeByIdx(hsize_t idx) const
{
H5G_obj_t obj_type = H5Gget_objtype_by_idx(getLocId(), idx);
if (obj_type == H5G_UNKNOWN)
{
throwException("getObjTypeByIdx", "H5Gget_objtype_by_idx failed");
}
return (obj_type);
}
//--------------------------------------------------------------------------
// Function: CommonFG::getObjTypeByIdx
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function because it also provides
/// the returned object type in text.
///\param idx - IN: Transient index of the object
///\param type_name - IN: Object type in text
///\return Object type
///\exception H5::FileIException or H5::GroupIException
// Programmer Binh-Minh Ribler - January, 2003
//--------------------------------------------------------------------------
H5G_obj_t CommonFG::getObjTypeByIdx(hsize_t idx, H5std_string& type_name) const
{
H5G_obj_t obj_type = H5Gget_objtype_by_idx(getLocId(), idx);
switch (obj_type)
{
case H5G_LINK: type_name = H5std_string("symbolic link"); break;
case H5G_GROUP: type_name = H5std_string("group"); break;
case H5G_DATASET: type_name = H5std_string("dataset"); break;
case H5G_TYPE: type_name = H5std_string("datatype"); break;
case H5G_UNKNOWN:
default:
{
throwException("getObjTypeByIdx", "H5Gget_objtype_by_idx failed");
}
}
return (obj_type);
}
#endif /* H5_NO_DEPRECATED_SYMBOLS */
//--------------------------------------------------------------------------
// Function: CommonFG default constructor
///\brief Default constructor.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
CommonFG::CommonFG() {}
//--------------------------------------------------------------------------
// Function: CommonFG destructor
///\brief Noop destructor.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
CommonFG::~CommonFG() {}
#ifndef H5_NO_NAMESPACE
}
#endif