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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// CommonFG is a protocol class. Its existence is simply to provide the
// common services that are provided by H5File and Group. The file or
// group in the context of this class is referred to as 'location'.
#ifndef _CommonFG_H
#define _CommonFG_H
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
class Group;
class H5File;
class H5_DLLCPP CommonFG {
public:
// Creates a new group at this location which can be a file
// or another group.
Group createGroup(const char* name, size_t size_hint = 0) const;
Group createGroup(const string& name, size_t size_hint = 0) const;
// Opens an existing group in a location which can be a file
// or another group.
Group openGroup(const char* name) const;
Group openGroup(const string& name) const;
// Creates a new dataset at this location.
DataSet createDataSet(const char* name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist = DSetCreatPropList::DEFAULT) const;
DataSet createDataSet(const string& name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist = DSetCreatPropList::DEFAULT) const;
// Opens an existing dataset at this location.
DataSet openDataSet(const char* name) const;
DataSet openDataSet(const string& name) const;
// Retrieves comment for the HDF5 object specified by its name.
string getComment(const string& name) const;
string getComment(const char* name, size_t bufsize) const;
string getComment(const string& name, size_t bufsize) const;
// Removes the comment for the HDF5 object specified by its name.
void removeComment(const char* name) const;
void removeComment(const string& name) const;
// Sets the comment for an HDF5 object specified by its name.
void setComment(const char* name, const char* comment) const;
void setComment(const string& name, const string& comment) const;
// Returns the name of the HDF5 object that the symbolic link points to.
string getLinkval(const char* name, size_t size) const;
string getLinkval(const string& name, size_t size) const;
// Returns the number of objects in this group.
hsize_t getNumObjs() const;
// Returns information about an HDF5 object, given by its name,
// at this location.
void getObjinfo(const char* name, hbool_t follow_link, H5G_stat_t& statbuf) const;
void getObjinfo(const string& name, hbool_t follow_link, H5G_stat_t& statbuf) const;
// Retrieves the name of an object in this group, given the
// object's index.
ssize_t getObjnameByIdx(hsize_t idx, string& name, size_t size) const;
string getObjnameByIdx(hsize_t idx) const;
// Returns the type of an object in this group, given the
// object's index.
H5G_obj_t getObjTypeByIdx(hsize_t idx) const;
H5G_obj_t getObjTypeByIdx(hsize_t idx, string& type_name) const;
// Iterates over the elements of this group - not implemented in
// C++ style yet.
int iterateElems(const char* name, int *idx, H5G_iterate_t op, void *op_data);
int iterateElems(const string& name, int *idx, H5G_iterate_t op, void *op_data);
// Creates a link of the specified type from new_name to current_name;
// both names are interpreted relative to the specified location id.
void link(H5G_link_t link_type, const char* curr_name, const char* new_name) const;
void link(H5G_link_t link_type, const string& curr_name, const string& new_name) const;
// Removes the specified name at this location.
void unlink(const char* name) const;
void unlink(const string& name) const;
// Mounts the file 'child' onto this location.
void mount(const char* name, H5File& child, PropList& plist) const;
void mount(const string& name, H5File& child, PropList& plist) const;
// Unmounts the file named 'name' from this parent location.
void unmount(const char* name) const;
void unmount(const string& name) const;
// Renames an object at this location.
void move(const char* src, const char* dst) const;
void move(const string& src, const string& dst) const;
// Opens a generic named datatype in this location.
DataType openDataType(const char* name) const;
DataType openDataType(const string& name) const;
// Opens a named enumeration datatype in this location.
EnumType openEnumType(const char* name) const;
EnumType openEnumType(const string& name) const;
// Opens a named compound datatype in this location.
CompType openCompType(const char* name) const;
CompType openCompType(const string& name) const;
// Opens a named integer datatype in this location.
IntType openIntType(const char* name) const;
IntType openIntType(const string& name) const;
// Opens a named floating-point datatype in this location.
FloatType openFloatType(const char* name) const;
FloatType openFloatType(const string& name) const;
// Opens a named string datatype in this location.
StrType openStrType(const char* name) const;
StrType openStrType(const string& name) const;
/// For subclasses, H5File and Group, to return the correct
/// object id, i.e. file or group id.
virtual hid_t getLocId() const = 0;
/// For subclasses, H5File and Group, to throw appropriate exception.
virtual void throwException(const string func_name, const string msg) const = 0;
// Default constructor.
CommonFG();
// Noop destructor.
virtual ~CommonFG();
private:
// Common code for member functions openXxxType
hid_t p_open_data_type(const char* name) const;
}; // end of CommonFG declaration
#ifndef H5_NO_NAMESPACE
}
#endif
#endif
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