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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
#ifdef OLD_HEADER_FILENAME
#include <iostream.h>
#else
#include <iostream>
#endif
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
//--------------------------------------------------------------------------
///\brief Constant for default property
//--------------------------------------------------------------------------
const PropList PropList::DEFAULT( H5P_DEFAULT );
//--------------------------------------------------------------------------
// Function Default constructor
///\brief Default constructor - Creates a stub property list object.
///\par Description
/// The id of this property list is set to 0.
//--------------------------------------------------------------------------
PropList::PropList() : IdComponent( 0 ) {}
//--------------------------------------------------------------------------
// Function: PropList copy constructor
///\brief Copy constructor
///\param original - IN: The original property list to copy
//--------------------------------------------------------------------------
PropList::PropList( const PropList& original ) : IdComponent( original ) {}
//--------------------------------------------------------------------------
// Function: PropList overloaded constructor
///\brief Creates a property list using the id of an existing property.
///\param plist_id - IN: Id of the existing property list
///\exception H5::PropListIException
// Description
// This function calls H5Pcreate to create a new property list
// if the given id, plist_id, is that of a property class. If
// the given id is equal to H5P_NO_CLASS, then set this
// property's id to H5P_DEFAULT, otherwise, to the given id.
// Note: someone else added this code without comments and this
// description was what I came up with from reading the code.
//--------------------------------------------------------------------------
PropList::PropList( const hid_t plist_id ) : IdComponent(0)
{
if (H5I_GENPROP_CLS == H5Iget_type(plist_id)) {
// call C routine to create the new property
id = H5Pcreate(plist_id);
if( id <= 0 )
{
throw PropListIException("PropList constructor", "H5Pcreate failed");
}
}
else {
if(plist_id==H5P_NO_CLASS)
id=H5P_DEFAULT;
else
id=plist_id;
}
}
//--------------------------------------------------------------------------
// Function: PropList::copy
///\brief Makes a copy of an existing property list
///\param like_plist - IN: Reference to the existing property list
///\exception H5::PropListIException
//--------------------------------------------------------------------------
void PropList::copy( const PropList& like_plist )
{
// reset the identifier of this PropList - send 'this' in so that
// H5Pclose can be called appropriately
try {
decRefCount();
}
catch (Exception close_error) {
throw PropListIException("PropList::copy", close_error.getDetailMsg());
}
// call C routine to copy the property list
id = H5Pcopy( like_plist.getId() );
if( id <= 0 )
throw PropListIException("PropList::copy", "H5Pcopy failed");
}
//--------------------------------------------------------------------------
// Function: PropList::operator=
///\brief Assignment operator
///\param rhs - IN: Reference to the existing property list
///
// Description
// Makes a copy of the property list on the right hand side
// and stores the new id in the left hand side object.
//--------------------------------------------------------------------------
PropList& PropList::operator=( const PropList& rhs )
{
copy(rhs);
return(*this);
}
//--------------------------------------------------------------------------
// Function: PropList::copyProp
///\brief Copies a property from one list or class to another
///\param dest - IN: Destination property list or class
///\param src - IN: Source property list or class
///\param name - IN: Name of the property to copy - \c char pointer
//--------------------------------------------------------------------------
void PropList::copyProp( PropList& dest, PropList& src, const char *name ) const
{
hid_t dst_id = dest.getId();
hid_t src_id = src.getId();
herr_t ret_value = H5Pcopy_prop(dst_id, src_id, name);
if( ret_value < 0 )
{
throw PropListIException("PropList::copyProp", "H5Pcopy_prop failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::copyProp
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param dest - IN: Destination property list or class
///\param src - IN: Source property list or class
///\param name - IN: Name of the property to copy - \c std::string
//--------------------------------------------------------------------------
void PropList::copyProp( PropList& dest, PropList& src, const string& name ) const
{
copyProp( dest, src, name.c_str());
}
//--------------------------------------------------------------------------
// Function: PropList::p_close
///\brief Closes the property list if it is not a default one
///\note
/// This function will be obsolete because its functionality is recently
/// handled by the C library layer.
///\exception H5::PropListIException
//--------------------------------------------------------------------------
void PropList::p_close() const
{
if( id != H5P_NO_CLASS ) // not a constant, should call H5Pclose
{
herr_t ret_value = H5Pclose( id );
if( ret_value < 0 )
{
throw PropListIException(0, "property list close failed" );
}
}
}
//--------------------------------------------------------------------------
// Function: PropList::getClass
///\brief Returns the class of this property list, i.e. \c H5P_FILE_CREATE...
///\return The property list class if it is not equal to \c H5P_NO_CLASS
///\exception H5::PropListIException
//--------------------------------------------------------------------------
hid_t PropList::getClass() const
{
hid_t plist_class = H5Pget_class( id );
if( plist_class == H5P_NO_CLASS )
{
throw PropListIException("PropList::getClass",
"H5Pget_class failed - returned H5P_NO_CLASS");
}
return( plist_class );
}
//--------------------------------------------------------------------------
// Function: PropList::propExist
///\brief Query the existance of a property in a property object.
///\param name - IN: Name of property to check for - \c char pointer
///\return true if the property exists in the property object, and
/// false, otherwise.
///\exception H5::PropListIException
///\par Description
/// This routine checks if a property exists within a property
/// list or class.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
bool PropList::propExist(const char* name ) const
{
// Calls C routine H5Pexist to determine whether a property exists
// within a property list or class. It returns a positive value, 0,
// or a negative value
htri_t ret_value = H5Pexist(id, name);
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else // Raise exception when H5Pexist returns a negative value
{
throw PropListIException("PropList::propExist", "H5Pexist failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::propExist
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to check for - \c std::string
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
bool PropList::propExist(const string& name ) const
{
return( propExist( name.c_str()) );
}
//--------------------------------------------------------------------------
// Function: PropList::closeClass
///\brief Close a property list class.
///\exception H5::PropListIException
///\par Description
/// Releases memory and de-attaches a class from the property
/// list class hierarchy.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::closeClass() const
{
herr_t ret_value = H5Pclose_class(id);
if( ret_value < 0 )
{
throw PropListIException("PropList::closeClass", "H5Pclose_class failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::getProperty
///\brief Query the value of a property in a property list.
///\param name - IN: Name of property to query - \c char pointer
///\param value - OUT: Pointer to the buffer for the property value
///\exception H5::PropListIException
///\par Description
/// Retrieves a copy of the value for a property in a property list. The
/// property name must exist or this routine will throw an exception.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::getProperty(const char* name, void* value) const
{
herr_t ret_value = H5Pget(id, name, value);
if (ret_value < 0)
{
throw PropListIException("PropList::getProperty", "H5Pget failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::getProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to query - \c char pointer
///\return The property that is a \c std::string.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
string PropList::getProperty(const char* name) const
{
size_t size = getPropSize(name);
char* prop_strg_C = new char[size+1]; // temporary C-string for C API
herr_t ret_value = H5Pget(id, name, prop_strg_C); // call C API
// Throw exception if H5Pget returns failure
if (ret_value < 0)
{
throw PropListIException("PropList::getProperty", "H5Pget failed");
}
// Return propety value as a string after deleting temp C-string
string prop_strg = string(prop_strg_C);
delete prop_strg_C;
return (prop_strg);
}
//--------------------------------------------------------------------------
// Function: PropList::getProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to query - \c str::string
///\param value - OUT: Pointer to the buffer for the property value
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::getProperty(const string& name, void* value) const
{
getProperty(name.c_str(), value);
}
//--------------------------------------------------------------------------
// Function: PropList::getProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to query - \c std::string
///\return The property that is a \c std::string.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
string PropList::getProperty(const string& name) const
{
return (getProperty(name.c_str()));
}
//--------------------------------------------------------------------------
// Function: PropList::getPropSize
///\brief Query the size of a property in a property list or class.
///\param name - IN: Name of property to query
///\return Size of the property
///\exception H5::PropListIException
///\par Description
/// This routine retrieves the size of a property's value
/// in bytes. Zero-sized properties are allowed and the return
/// value will be of 0. This function works for both property
/// lists and classes.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
size_t PropList::getPropSize(const char *name) const
{
size_t prop_size;
herr_t ret_value = H5Pget_size(id, name, &prop_size);
if (prop_size < 0)
{
throw PropListIException("PropList::getPropSize", "H5Pget_size failed");
}
return(prop_size);
}
//--------------------------------------------------------------------------
// Function: PropList::getPropSize
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to query - \c std::string
///
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
size_t PropList::getPropSize(const string& name) const
{
return (getPropSize(name.c_str()));
}
//--------------------------------------------------------------------------
// Function: PropList::getClassName
///\brief Return the name of a generic property list class
///\return A string containing the class name, if success, otherwise,
/// a NULL string.
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
string PropList::getClassName() const
{
char* temp_str;
temp_str = H5Pget_class_name(id);
if (temp_str != NULL)
{
string class_name = string(temp_str);
free(temp_str);
return(class_name);
}
else
return 0;
}
//--------------------------------------------------------------------------
// Function: PropList::getNumProps
///\brief Returns the number of properties in this property list or class.
///\return Size of the property.
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
size_t PropList::getNumProps() const
{
size_t nprops;
herr_t ret_value = H5Pget_nprops (id, &nprops);
if( nprops < 0 )
{
throw PropListIException("PropList::getNumProps", "H5Pget_nprops failed");
}
return (nprops);
}
//--------------------------------------------------------------------------
// Function: PropList::setProperty
///\brief Set a property's value in a property list.
///\param name - IN: Name of property to set - \c char pointer
///\param value - IN: Void pointer to the value for the property
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::setProperty(const char* name, void* value) const
{
herr_t ret_value = H5Pset(id, name, value);
if (ret_value < 0)
{
throw PropListIException("PropList::setProperty", "H5Pset failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::setProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to set - \c char pointer
///\param charptr - IN: Char pointer to the value for the property
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::setProperty(const char* name, const char* charptr) const
{
herr_t ret_value = H5Pset(id, name, (void*) charptr);
if (ret_value < 0)
{
throw PropListIException("PropList::setProperty", "H5Pset failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::setProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to set - \c char pointer
///\param strg - IN: Value for the property is a \c std::string
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::setProperty(const char* name, string& strg) const
{
setProperty(name, strg.c_str());
}
//--------------------------------------------------------------------------
// Function: PropList::setProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to set - \c std::string
///\param value - IN: Void pointer to the value for the property
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::setProperty(const string& name, void* value) const
{
setProperty(name.c_str(), value);
}
//--------------------------------------------------------------------------
// Function: PropList::setProperty
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to set - \c std::string
///\param strg - IN: Value for the property is a \c std::string
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::setProperty(const string& name, string& strg) const
{
setProperty(name.c_str(), strg.c_str());
}
//--------------------------------------------------------------------------
// Function: PropList::isAClass
///\brief Determines whether a property list is a certain class
///\param prop_class - IN: Property class to query
///\return true if the property list is a member of the property list
/// class, and false, otherwise.
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
bool PropList::isAClass(const PropList& prop_class) const
{
htri_t ret_value = H5Pisa_class(id, prop_class.getId());
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else // Raise exception when H5Pisa_class returns a negative value
{
throw PropListIException("PropList::isAClass", "H5Pisa_class failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::removeProp
///\brief Removes a property from a property list
///\param name - IN: Name of property to remove - \c char pointer
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::removeProp(const char *name) const
{
herr_t ret_value = H5Premove(id, name);
if (ret_value < 0)
{
throw PropListIException("PropList::removeProp", "H5Premove failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::removeProp
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in what arguments it
/// accepts.
///\param name - IN: Name of property to remove - \c std::string
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
void PropList::removeProp(const string& name) const
{
removeProp(name.c_str());
}
//--------------------------------------------------------------------------
// Function: PropList::operator==
///\brief Compares this property list or class against the given list or class.
///\param rhs - IN: Reference to the property list to compare
///\return true if the property lists or classes are equal, and
/// false, otherwise.
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
bool PropList::operator==(const PropList& rhs) const
{
htri_t ret_value = H5Pequal(id, rhs.getId());
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else // Raise exception when H5Pequal returns a negative value
{
throw PropListIException("PropList::operator==", "H5Pequal failed");
}
}
//--------------------------------------------------------------------------
// Function: PropList::getClassParent
///\brief Returns the parent class of a generic property class
///\return The parent class of a property class
///\exception H5::PropListIException
// Programmer: Binh-Minh Ribler - April, 2004
//--------------------------------------------------------------------------
PropList PropList::getClassParent() const
{
hid_t class_id = H5Pget_class_parent(id);
if (class_id <= 0)
{
throw PropListIException("PropList::getClassParent", "H5Pget_class_parent failed");
}
PropList pclass(class_id);
return(pclass);
}
//--------------------------------------------------------------------------
// Function: PropList destructor
///\brief Properly terminates access to this property list.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
PropList::~PropList()
{
// The property list id will be closed properly
try {
decRefCount();
}
catch (Exception close_error) {
cerr << "PropList::~PropList - " << close_error.getDetailMsg() << endl;
}
}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
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