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Diffstat (limited to 'c++/src/H5File.cpp')
| -rw-r--r-- | c++/src/H5File.cpp | 756 |
1 files changed, 385 insertions, 371 deletions
diff --git a/c++/src/H5File.cpp b/c++/src/H5File.cpp index d1b7b06..3509e33 100644 --- a/c++/src/H5File.cpp +++ b/c++/src/H5File.cpp @@ -5,12 +5,10 @@ * * * 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. * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifdef OLD_HEADER_FILENAME @@ -24,19 +22,16 @@ #include "H5Exception.h" #include "H5IdComponent.h" #include "H5PropList.h" -#include "H5Object.h" #include "H5FaccProp.h" #include "H5FcreatProp.h" #include "H5OcreatProp.h" -#include "H5DxferProp.h" #include "H5DcreatProp.h" +#include "H5LaccProp.h" +#include "H5Location.h" +#include "H5Object.h" #include "H5CommonFG.h" #include "H5Group.h" -#include "H5AbstractDs.h" -#include "H5DataSpace.h" -#include "H5DataSet.h" #include "H5File.h" -#include "H5Alltypes.h" namespace H5 { #ifndef H5_NO_STD @@ -45,74 +40,74 @@ namespace H5 { #endif // H5_NO_STD //-------------------------------------------------------------------------- -// Function H5File default constructor -///\brief Default constructor: creates a stub H5File object. -// Programmer Binh-Minh Ribler - 2000 +// Function H5File default constructor +///\brief Default constructor: creates a stub H5File object. +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- -H5File::H5File() : H5Location(), CommonFG(), id(H5I_INVALID_HID) {} +H5File::H5File() : Group(), id(H5I_INVALID_HID) {} //-------------------------------------------------------------------------- -// Function: H5File overloaded constructor -///\brief Creates or opens an HDF5 file depending on the parameter flags. -///\param name - IN: Name of the file -///\param flags - IN: File access flags -///\param create_plist - IN: File creation property list, used when -/// modifying default file meta-data. Default to -/// FileCreatPropList::DEFAULT -///\param access_plist - IN: File access property list. Default to -/// FileAccPropList::DEFAULT +// Function: H5File overloaded constructor +///\brief Creates or opens an HDF5 file depending on the parameter flags. +///\param name - IN: Name of the file +///\param flags - IN: File access flags +///\param create_plist - IN: File creation property list, used when +/// modifying default file meta-data. Default to +/// FileCreatPropList::DEFAULT +///\param access_plist - IN: File access property list. Default to +/// FileAccPropList::DEFAULT ///\par Description -/// Valid values of \a flags include: -/// \li \c H5F_ACC_TRUNC - Truncate file, if it already exists, -/// erasing all data previously stored in -/// the file. -/// \li \c H5F_ACC_EXCL - Fail if file already exists. -/// \c H5F_ACC_TRUNC and \c H5F_ACC_EXCL are mutually exclusive -/// \li \c H5F_ACC_RDONLY - Open file as read-only, if it already -/// exists, and fail, otherwise -/// \li \c H5F_ACC_RDWR - Open file for read/write, if it already -/// exists, and fail, otherwise +/// Valid values of \a flags include: +/// \li \c H5F_ACC_TRUNC - Truncate file, if it already exists, +/// erasing all data previously stored in +/// the file. +/// \li \c H5F_ACC_EXCL - Fail if file already exists. +/// \c H5F_ACC_TRUNC and \c H5F_ACC_EXCL are mutually exclusive +/// \li \c H5F_ACC_RDONLY - Open file as read-only, if it already +/// exists, and fail, otherwise +/// \li \c H5F_ACC_RDWR - Open file for read/write, if it already +/// exists, and fail, otherwise ///\par -/// For info on file creation in the case of an already-open file, -/// please refer to the \b Special \b case section in the C layer -/// Reference Manual at: +/// For info on file creation in the case of an already-open file, +/// please refer to the \b Special \b case section in the C layer +/// Reference Manual at: /// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5F.html#File-Create -// Notes With a PGI compiler (~2012-2013), the exception thrown by p_get_file -// could not be caught in the applications. Added try block here -// to catch then re-throw it. -BMR 2013/03/21 -// Programmer Binh-Minh Ribler - 2000 +// Notes With a PGI compiler (~2012-2013), the exception thrown by p_get_file +// could not be caught in the applications. Added try block here +// to catch then re-throw it. -BMR 2013/03/21 +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- -H5File::H5File( const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), CommonFG(), id(H5I_INVALID_HID) +H5File::H5File(const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist) : Group(), id(H5I_INVALID_HID) { try { - p_get_file(name, flags, create_plist, access_plist); + p_get_file(name, flags, create_plist, access_plist); } catch (FileIException& open_file) { - throw open_file; + throw open_file; } } //-------------------------------------------------------------------------- -// Function: H5File overloaded constructor -///\brief This is another overloaded constructor. It differs from the -/// above constructor only in the type of the \a name argument. -///\param name - IN: Name of the file - \c H5std_string -///\param flags - IN: File access flags -///\param create_plist - IN: File creation property list, used when -/// modifying default file meta-data. Default to -/// FileCreatPropList::DEFAULT -///\param access_plist - IN: File access property list. Default to -/// FileAccPropList::DEFAULT -// Notes With a PGI compiler (~2012-2013), the exception thrown by p_get_file -// could not be caught in the applications. Added try block here -// to catch then re-throw it. -BMR 2013/03/21 -// Programmer Binh-Minh Ribler - 2000 -//-------------------------------------------------------------------------- -H5File::H5File( const H5std_string& name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : H5Location(), CommonFG(), id(H5I_INVALID_HID) +// Function: H5File overloaded constructor +///\brief This is another overloaded constructor. It differs from the +/// above constructor only in the type of the \a name argument. +///\param name - IN: Name of the file - \c H5std_string +///\param flags - IN: File access flags +///\param create_plist - IN: File creation property list, used when +/// modifying default file meta-data. Default to +/// FileCreatPropList::DEFAULT +///\param access_plist - IN: File access property list. Default to +/// FileAccPropList::DEFAULT +// Notes With a PGI compiler (~2012-2013), the exception thrown by p_get_file +// could not be caught in the applications. Added try block here +// to catch then re-throw it. -BMR 2013/03/21 +// Programmer Binh-Minh Ribler - 2000 +//-------------------------------------------------------------------------- +H5File::H5File(const H5std_string& name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist) : Group(), id(H5I_INVALID_HID) { try { - p_get_file(name.c_str(), flags, create_plist, access_plist); + p_get_file(name.c_str(), flags, create_plist, access_plist); } catch (FileIException& open_file) { - throw open_file; + throw open_file; } } @@ -120,51 +115,51 @@ H5File::H5File( const H5std_string& name, unsigned int flags, const FileCreatPro //-------------------------------------------------------------------------- // This function is private and contains common code between the // constructors taking a string or a char* -// Programmer Binh-Minh Ribler - 2000 +// Programmer Binh-Minh Ribler - 2000 // Modification -// - removed H5F_ACC_CREAT because H5Fcreate will fail with -// H5F_ACC_CREAT. - BMR, Sep 17, 2014 +// - removed H5F_ACC_CREAT because H5Fcreate will fail with +// H5F_ACC_CREAT. - BMR, Sep 17, 2014 //-------------------------------------------------------------------------- void H5File::p_get_file(const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist) { // These bits only set for creation, so if any of them are set, // create the file. - if( flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC)) + if(flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC)) { - hid_t create_plist_id = create_plist.getId(); - hid_t access_plist_id = access_plist.getId(); - id = H5Fcreate( name, flags, create_plist_id, access_plist_id ); - if( id < 0 ) // throw an exception when open/create fail - { - throw FileIException("H5File constructor", "H5Fcreate failed"); - } + hid_t create_plist_id = create_plist.getId(); + hid_t access_plist_id = access_plist.getId(); + id = H5Fcreate(name, flags, create_plist_id, access_plist_id); + if(id < 0) // throw an exception when open/create fail + { + throw FileIException("H5File constructor", "H5Fcreate failed"); + } } // Open the file if none of the bits above are set. else { - hid_t access_plist_id = access_plist.getId(); - id = H5Fopen( name, flags, access_plist_id ); - if( id < 0 ) // throw an exception when open/create fail - { - throw FileIException("H5File constructor", "H5Fopen failed"); - } + hid_t access_plist_id = access_plist.getId(); + id = H5Fopen(name, flags, access_plist_id); + if(id < 0) // throw an exception when open/create fail + { + throw FileIException("H5File constructor", "H5Fopen failed"); + } } } //-------------------------------------------------------------------------- -// Function: H5File overloaded constructor -///\brief Creates an H5File object using an existing file id. -///\param existing_id - IN: Id of an existing file -// Programmer Binh-Minh Ribler - 2015 +// Function: H5File overloaded constructor +///\brief Creates an H5File object using an existing file id. +///\param existing_id - IN: Id of an existing file +// Programmer Binh-Minh Ribler - 2015 // Description -// Mar 29, 2015 -// Added in responding to a request from user Jason Newton. -// However, it is not recommended to use the private member "id" -// in applications. Unlike other situations, where similar -// constructor is needed by the library in order to return -// an object, H5File doesn't need it. -BMR (HDFFV-8766 partially) -//-------------------------------------------------------------------------- -H5File::H5File(hid_t existing_id) : H5Location(), CommonFG() +// Mar 29, 2015 +// Added in responding to a request from user Jason Newton. +// However, it is not recommended to use the private member "id" +// in applications. Unlike other situations, where similar +// constructor is needed by the library in order to return +// an object, H5File doesn't need it. -BMR (HDFFV-8766 partially) +//-------------------------------------------------------------------------- +H5File::H5File(hid_t existing_id) : Group() { id = existing_id; incRefCount(); // increment number of references to this id @@ -173,70 +168,70 @@ H5File::H5File(hid_t existing_id) : H5Location(), CommonFG() #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- -// Function: H5File copy constructor -///\brief Copy constructor: makes a copy of the original -/// H5File object. -///\param original - IN: H5File instance to copy -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File copy constructor +///\brief Copy constructor: makes a copy of the original +/// H5File object. +///\param original - IN: H5File instance to copy +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- -H5File::H5File(const H5File& original) : H5Location(), CommonFG() +H5File::H5File(const H5File& original) : Group() { id = original.getId(); incRefCount(); // increment number of references to this id } //-------------------------------------------------------------------------- -// Function: H5File::isHdf5 (static) -///\brief Determines whether a file in HDF5 format. (Static) -///\param name - IN: Name of the file -///\return true if the file is in HDF5 format, and false, otherwise -///\exception H5::FileIException -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File::isHdf5 (static) +///\brief Determines whether a file in HDF5 format. (Static) +///\param name - IN: Name of the file +///\return true if the file is in HDF5 format, and false, otherwise +///\exception H5::FileIException +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- bool H5File::isHdf5(const char* name) { - // Calls C routine H5Fis_hdf5 to determine whether the file is in - // HDF5 format. It returns positive value, 0, or negative value - htri_t ret_value = H5Fis_hdf5( name ); - if( ret_value > 0 ) - return true; - else if( ret_value == 0 ) - return false; - else // Raise exception when H5Fis_hdf5 returns a negative value - { - throw FileIException("H5File::isHdf5", "H5Fis_hdf5 returned negative value"); - } + // Calls C routine H5Fis_hdf5 to determine whether the file is in + // HDF5 format. It returns positive value, 0, or negative value + htri_t ret_value = H5Fis_hdf5(name); + if(ret_value > 0) + return true; + else if(ret_value == 0) + return false; + else // Raise exception when H5Fis_hdf5 returns a negative value + { + throw FileIException("H5File::isHdf5", "H5Fis_hdf5 returned negative value"); + } } //-------------------------------------------------------------------------- -// Function: H5File::isHdf5 (static) -///\brief This is an overloaded member function, provided for convenience. -/// It takes an \c H5std_string for \a name. (Static) -///\param name - IN: Name of the file - \c H5std_string -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File::isHdf5 (static) +///\brief This is an overloaded member function, provided for convenience. +/// It takes an \c H5std_string for \a name. (Static) +///\param name - IN: Name of the file - \c H5std_string +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- -bool H5File::isHdf5(const H5std_string& name ) +bool H5File::isHdf5(const H5std_string& name) { - return( isHdf5( name.c_str()) ); + return(isHdf5(name.c_str())); } //-------------------------------------------------------------------------- -// Function: openFile -///\brief Opens an HDF5 file -///\param name - IN: Name of the file -///\param flags - IN: File access flags -///\param access_plist - IN: File access property list. Default to -/// FileAccPropList::DEFAULT +// Function: openFile +///\brief Opens an HDF5 file +///\param name - IN: Name of the file +///\param flags - IN: File access flags +///\param access_plist - IN: File access property list. Default to +/// FileAccPropList::DEFAULT ///\par Description -/// Valid values of \a flags include: -/// H5F_ACC_RDWR: Open with read/write access. If the file is -/// currently open for read-only access then it -/// will be reopened. Absence of this flag -/// implies read-only access. +/// Valid values of \a flags include: +/// H5F_ACC_RDWR: Open with read/write access. If the file is +/// currently open for read-only access then it +/// will be reopened. Absence of this flag +/// implies read-only access. /// -/// H5F_ACC_RDONLY: Open with read only access. - default +/// H5F_ACC_RDONLY: Open with read only access. - default /// -// Programmer Binh-Minh Ribler - Oct, 2005 +// Programmer Binh-Minh Ribler - Oct, 2005 //-------------------------------------------------------------------------- void H5File::openFile(const char* name, unsigned int flags, const FileAccPropList& access_plist) { @@ -251,19 +246,19 @@ void H5File::openFile(const char* name, unsigned int flags, const FileAccPropLis id = H5Fopen (name, flags, access_plist_id); if (id < 0) // throw an exception when open fails { - throw FileIException("H5File::openFile", "H5Fopen failed"); + throw FileIException("H5File::openFile", "H5Fopen failed"); } } //-------------------------------------------------------------------------- -// Function: H5File::openFile -///\brief This is an overloaded member function, provided for convenience. -/// It takes an \c H5std_string for \a name. -///\param name - IN: Name of the file - \c H5std_string -///\param flags - IN: File access flags -///\param access_plist - IN: File access property list. Default to -/// FileAccPropList::DEFAULT -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File::openFile +///\brief This is an overloaded member function, provided for convenience. +/// It takes an \c H5std_string for \a name. +///\param name - IN: Name of the file - \c H5std_string +///\param flags - IN: File access flags +///\param access_plist - IN: File access property list. Default to +/// FileAccPropList::DEFAULT +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void H5File::openFile(const H5std_string& name, unsigned int flags, const FileAccPropList& access_plist) { @@ -271,21 +266,21 @@ void H5File::openFile(const H5std_string& name, unsigned int flags, const FileAc } //-------------------------------------------------------------------------- -// Function: H5File::reOpen -///\brief Reopens this file. +// Function: H5File::reOpen +///\brief Reopens this file. /// -///\exception H5::FileIException +///\exception H5::FileIException // Description -// If this object has represented another HDF5 file, the previous -// HDF5 file need to be closed first. -// Programmer Binh-Minh Ribler - 2000 +// If this object has represented another HDF5 file, the previous +// HDF5 file need to be closed first. +// Programmer Binh-Minh Ribler - 2000 // Note: This wrapper doesn't seem right regarding the 'id' and should // be investigated. BMR - 2/20/2005 // Modification -// - Replaced resetIdComponent() with decRefCount() to use C -// library ID reference counting mechanism - BMR, Feb 20, 2005 -// - Replaced decRefCount with close() to let the C library -// handle the reference counting - BMR, Jun 1, 2006 +// - Replaced resetIdComponent() with decRefCount() to use C +// library ID reference counting mechanism - BMR, Feb 20, 2005 +// - Replaced decRefCount with close() to let the C library +// handle the reference counting - BMR, Jun 1, 2006 //-------------------------------------------------------------------------- void H5File::reOpen() { @@ -296,129 +291,148 @@ void H5File::reOpen() throw FileIException("H5File::reOpen", close_error.getDetailMsg()); } - // call C routine to reopen the file - Note: not sure about this, - // which id to be the parameter when closing? - id = H5Freopen( id ); - if( id < 0 ) // Raise exception when H5Freopen returns a neg value - throw FileIException("H5File::reOpen", "H5Freopen failed"); + // call C routine to reopen the file - Note: not sure about this, + // which id to be the parameter when closing? + id = H5Freopen(id); + if(id < 0) // Raise exception when H5Freopen returns a neg value + throw FileIException("H5File::reOpen", "H5Freopen failed"); } //-------------------------------------------------------------------------- -// Function: H5File::getCreatePlist -///\brief Returns the creation property list of this file -///\return FileCreatPropList object -///\exception H5::FileIException -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File::getCreatePlist +///\brief Returns the creation property list of this file +///\return FileCreatPropList object +///\exception H5::FileIException +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- FileCreatPropList H5File::getCreatePlist() const { - hid_t create_plist_id = H5Fget_create_plist( id ); - - // if H5Fget_create_plist returns a valid id, create and return - // the FileCreatPropList object for this property list - if( create_plist_id > 0 ) - { - FileCreatPropList create_plist( create_plist_id ); - return( create_plist ); - } - else - { - throw FileIException("H5File::getCreatePlist", "H5Fget_create_plist failed"); - } + hid_t create_plist_id = H5Fget_create_plist(id); + + // if H5Fget_create_plist returns a valid id, create and return + // the FileCreatPropList object for this property list + if(create_plist_id > 0) + { + FileCreatPropList create_plist(create_plist_id); + return(create_plist); + } + else + { + throw FileIException("H5File::getCreatePlist", "H5Fget_create_plist failed"); + } } //-------------------------------------------------------------------------- -// Function: H5File::getAccessPlist -///\brief Returns the access property list of this file -///\return FileAccPropList object -///\exception H5::FileIException -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File::getAccessPlist +///\brief Returns the access property list of this file +///\return FileAccPropList object +///\exception H5::FileIException +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- FileAccPropList H5File::getAccessPlist() const { - hid_t access_plist_id = H5Fget_access_plist( id ); - - // if H5Fget_access_plist returns a valid id, create and return - // the FileAccPropList object for this property list - if( access_plist_id > 0 ) - { - FileAccPropList access_plist( access_plist_id ); - return access_plist; - } - else // Raise an exception - { - throw FileIException("H5File::getAccessPlist", "H5Fget_access_plist failed"); - } + hid_t access_plist_id = H5Fget_access_plist(id); + + // if H5Fget_access_plist returns a valid id, create and return + // the FileAccPropList object for this property list + if(access_plist_id > 0) + { + FileAccPropList access_plist(access_plist_id); + return access_plist; + } + else // Raise an exception + { + throw FileIException("H5File::getAccessPlist", "H5Fget_access_plist failed"); + } } //-------------------------------------------------------------------------- -// Function: H5File::getFreeSpace -///\brief Returns the amount of free space in the file. -///\return Amount of free space -///\exception H5::FileIException +// Function: H5File::getFileInfo +///\brief Retrieves the general information of this file. +/// +///\exception H5::FileIException +///\par Description +/// The retrieved information may include information about +/// superblock extension, free space management, and shared object +// Programmer Binh-Minh Ribler - May 2017 +//-------------------------------------------------------------------------- +void H5File::getFileInfo(H5F_info_t& file_info) const +{ + herr_t ret_value = H5Fget_info(id, &file_info); + if (ret_value < 0) + { + throw FileIException("H5File::getFileInfo", "H5Fget_info failed"); + } +} + +//-------------------------------------------------------------------------- +// Function: H5File::getFreeSpace +///\brief Returns the amount of free space in the file. +///\return Amount of free space +///\exception H5::FileIException // Programmer Binh-Minh Ribler - May 2004 //-------------------------------------------------------------------------- hssize_t H5File::getFreeSpace() const { - hssize_t free_space = H5Fget_freespace(id); - if( free_space < 0 ) - { - throw FileIException("H5File::getFreeSpace", "H5Fget_freespace failed"); - } - return (free_space); + hssize_t free_space = H5Fget_freespace(id); + if(free_space < 0) + { + throw FileIException("H5File::getFreeSpace", "H5Fget_freespace failed"); + } + return (free_space); } //-------------------------------------------------------------------------- -// Function: H5File::getObjCount -///\brief Returns the number of opened object IDs (files, datasets, -/// groups and datatypes) in the same file. -///\param types - Type of object to retrieve the count -///\return Number of opened object IDs -///\exception H5::FileIException +// Function: H5File::getObjCount +///\brief Returns the number of opened object IDs (files, datasets, +/// groups and datatypes) in the same file. +///\param types - Type of object to retrieve the count +///\return Number of opened object IDs +///\exception H5::FileIException ///\par Description -/// The valid values for \a types include: -/// \li \c H5F_OBJ_FILE - Files only -/// \li \c H5F_OBJ_DATASET - Datasets only -/// \li \c H5F_OBJ_GROUP - Groups only -/// \li \c H5F_OBJ_DATATYPE - Named datatypes only -/// \li \c H5F_OBJ_ATTR - Attributes only -/// \li \c H5F_OBJ_ALL - All of the above, i.e., \c H5F_OBJ_FILE -/// | \c H5F_OBJ_DATASET | \c H5F_OBJ_GROUP -/// | \c H5F_OBJ_DATATYPE | \c H5F_OBJ_ATTR +/// The valid values for \a types include: +/// \li \c H5F_OBJ_FILE - Files only +/// \li \c H5F_OBJ_DATASET - Datasets only +/// \li \c H5F_OBJ_GROUP - Groups only +/// \li \c H5F_OBJ_DATATYPE - Named datatypes only +/// \li \c H5F_OBJ_ATTR - Attributes only +/// \li \c H5F_OBJ_ALL - All of the above, i.e., \c H5F_OBJ_FILE +/// | \c H5F_OBJ_DATASET | \c H5F_OBJ_GROUP +/// | \c H5F_OBJ_DATATYPE | \c H5F_OBJ_ATTR ///\par /// Multiple object types can be combined with the logical OR operator (|). // Programmer Binh-Minh Ribler - May 2004 //-------------------------------------------------------------------------- ssize_t H5File::getObjCount(unsigned types) const { - ssize_t num_objs = H5Fget_obj_count(id, types); - if( num_objs < 0 ) - { - throw FileIException("H5File::getObjCount", "H5Fget_obj_count failed"); - } - return (num_objs); + ssize_t num_objs = H5Fget_obj_count(id, types); + if(num_objs < 0) + { + throw FileIException("H5File::getObjCount", "H5Fget_obj_count failed"); + } + return (num_objs); } //-------------------------------------------------------------------------- -// Function: H5File::getObjIDs -///\brief Retrieves a list of opened object IDs (files, datasets, -/// groups and datatypes) in the same file. -///\param types - Type of object to retrieve the count -///\param max_objs - Maximum number of object identifiers to place -/// into obj_id_list. -///\param oid_list - List of open object identifiers -///\exception H5::FileIException +// Function: H5File::getObjIDs +///\brief Retrieves a list of opened object IDs (files, datasets, +/// groups and datatypes) in the same file. +///\param types - Type of object to retrieve the count +///\param max_objs - Maximum number of object identifiers to place +/// into obj_id_list. +///\param oid_list - List of open object identifiers +///\exception H5::FileIException ///\par Description -/// The valid values for \a types include: -/// \li \c H5F_OBJ_FILE - Files only -/// \li \c H5F_OBJ_DATASET - Datasets only -/// \li \c H5F_OBJ_GROUP - Groups only -/// \li \c H5F_OBJ_DATATYPE - Named datatypes only -/// \li \c H5F_OBJ_ATTR - Attributes only -/// \li \c H5F_OBJ_ALL - All of the above, i.e., \c H5F_OBJ_FILE -/// | \c H5F_OBJ_DATASET | \c H5F_OBJ_GROUP -/// | \c H5F_OBJ_DATATYPE | \c H5F_OBJ_ATTR +/// The valid values for \a types include: +/// \li \c H5F_OBJ_FILE - Files only +/// \li \c H5F_OBJ_DATASET - Datasets only +/// \li \c H5F_OBJ_GROUP - Groups only +/// \li \c H5F_OBJ_DATATYPE - Named datatypes only +/// \li \c H5F_OBJ_ATTR - Attributes only +/// \li \c H5F_OBJ_ALL - All of the above, i.e., \c H5F_OBJ_FILE +/// | \c H5F_OBJ_DATASET | \c H5F_OBJ_GROUP +/// | \c H5F_OBJ_DATATYPE | \c H5F_OBJ_ATTR ///\par /// Multiple object types can be combined with the logical OR operator (|). // @@ -427,58 +441,58 @@ ssize_t H5File::getObjCount(unsigned types) const //-------------------------------------------------------------------------- void H5File::getObjIDs(unsigned types, size_t max_objs, hid_t *oid_list) const { - ssize_t ret_value = H5Fget_obj_ids(id, types, max_objs, oid_list); - if( ret_value < 0 ) - { - throw FileIException("H5File::getObjIDs", "H5Fget_obj_ids failed"); - } + ssize_t ret_value = H5Fget_obj_ids(id, types, max_objs, oid_list); + if(ret_value < 0) + { + throw FileIException("H5File::getObjIDs", "H5Fget_obj_ids failed"); + } } //-------------------------------------------------------------------------- -// Function: H5File::getVFDHandle -///\brief Returns the pointer to the file handle of the low-level file -/// driver. -///\param fapl - File access property list -///\param file_handle - Pointer to the file handle being used by -/// the low-level virtual file driver -///\exception H5::FileIException +// Function: H5File::getVFDHandle +///\brief Returns the pointer to the file handle of the low-level file +/// driver. +///\param fapl - File access property list +///\param file_handle - Pointer to the file handle being used by +/// the low-level virtual file driver +///\exception H5::FileIException ///\par Description -/// For the \c FAMILY or \c MULTI drivers, \a fapl should be -/// defined through the property list functions: -/// \c FileAccPropList::setFamilyOffset for the \c FAMILY driver -/// and \c FileAccPropList::setMultiType for the \c MULTI driver. +/// For the \c FAMILY or \c MULTI drivers, \a fapl should be +/// defined through the property list functions: +/// \c FileAccPropList::setFamilyOffset for the \c FAMILY driver +/// and \c FileAccPropList::setMultiType for the \c MULTI driver. /// -/// The obtained file handle is dynamic and is valid only while -/// the file remains open; it will be invalid if the file is -/// closed and reopened or opened during a subsequent session. +/// The obtained file handle is dynamic and is valid only while +/// the file remains open; it will be invalid if the file is +/// closed and reopened or opened during a subsequent session. // Programmer Binh-Minh Ribler - May 2004 // Modification -// Replaced the version without const parameter - Apr, 2014 +// Replaced the version without const parameter - Apr, 2014 //-------------------------------------------------------------------------- void H5File::getVFDHandle(const FileAccPropList& fapl, void **file_handle) const { - hid_t fapl_id = fapl.getId(); - herr_t ret_value = H5Fget_vfd_handle(id, fapl_id, file_handle); - if( ret_value < 0 ) - { - throw FileIException("H5File::getVFDHandle", "H5Fget_vfd_handle failed"); - } + hid_t fapl_id = fapl.getId(); + herr_t ret_value = H5Fget_vfd_handle(id, fapl_id, file_handle); + if(ret_value < 0) + { + throw FileIException("H5File::getVFDHandle", "H5Fget_vfd_handle failed"); + } } //-------------------------------------------------------------------------- -// Function: H5File::getVFDHandle -// Purpose This is an overloaded member function, kept for backward -// compatibility. It differs from the above function in that it -// misses const's. This wrapper will be removed in future release. -// Param fapl - File access property list -// Param file_handle - Pointer to the file handle being used by -// the low-level virtual file driver -// Exception H5::FileIException +// Function: H5File::getVFDHandle +// Purpose This is an overloaded member function, kept for backward +// compatibility. It differs from the above function in that it +// misses const's. This wrapper will be removed in future release. +// Param fapl - File access property list +// Param file_handle - Pointer to the file handle being used by +// the low-level virtual file driver +// Exception H5::FileIException // Programmer Binh-Minh Ribler - May 2004 // Modification -// Planned for removal. -BMR, 2014/04/16 -// Removed from documentation. -BMR, 2016/03/07 1.8.17 and 1.10.0 -// Removed from code. -BMR, 2016/08/11 1.8.18 and 1.10.1 +// Planned for removal. -BMR, 2014/04/16 +// Removed from documentation. -BMR, 2016/03/07 1.8.17 and 1.10.0 +// Removed from code. -BMR, 2016/08/11 1.8.18 and 1.10.1 //-------------------------------------------------------------------------- //void H5File::getVFDHandle(FileAccPropList& fapl, void **file_handle) const //{ @@ -486,100 +500,100 @@ void H5File::getVFDHandle(const FileAccPropList& fapl, void **file_handle) const //} //-------------------------------------------------------------------------- -// Function: H5File::getVFDHandle -///\brief This is an overloaded member function, provided for convenience. -/// It differs from the above function only in what arguments it -/// accepts. -///\param file_handle - Pointer to the file handle being used by -/// the low-level virtual file driver -///\exception H5::FileIException +// Function: H5File::getVFDHandle +///\brief This is an overloaded member function, provided for convenience. +/// It differs from the above function only in what arguments it +/// accepts. +///\param file_handle - Pointer to the file handle being used by +/// the low-level virtual file driver +///\exception H5::FileIException // Programmer Binh-Minh Ribler - May 2004 //-------------------------------------------------------------------------- void H5File::getVFDHandle(void **file_handle) const { - herr_t ret_value = H5Fget_vfd_handle(id, H5P_DEFAULT, file_handle); - if( ret_value < 0 ) - { - throw FileIException("H5File::getVFDHandle", "H5Fget_vfd_handle failed"); - } + herr_t ret_value = H5Fget_vfd_handle(id, H5P_DEFAULT, file_handle); + if(ret_value < 0) + { + throw FileIException("H5File::getVFDHandle", "H5Fget_vfd_handle failed"); + } } //-------------------------------------------------------------------------- -// Function: H5File::getFileSize -///\brief Returns the file size of the HDF5 file. -///\return File size -///\exception H5::FileIException +// Function: H5File::getFileSize +///\brief Returns the file size of the HDF5 file. +///\return File size +///\exception H5::FileIException ///\par Description -/// This function is called after an existing file is opened in -/// order to learn the true size of the underlying file. +/// This function is called after an existing file is opened in +/// order to learn the true size of the underlying file. // Programmer Raymond Lu - June 24, 2004 //-------------------------------------------------------------------------- hsize_t H5File::getFileSize() const { - hsize_t file_size; - herr_t ret_value = H5Fget_filesize(id, &file_size); - if (ret_value < 0) - { - throw FileIException("H5File::getFileSize", "H5Fget_filesize failed"); - } - return (file_size); + hsize_t file_size; + herr_t ret_value = H5Fget_filesize(id, &file_size); + if (ret_value < 0) + { + throw FileIException("H5File::getFileSize", "H5Fget_filesize failed"); + } + return (file_size); } //-------------------------------------------------------------------------- -// Function: H5File::getId -///\brief Get the id of this file -///\return File identifier +// Function: H5File::getId +///\brief Get the id of this file +///\return File identifier // Modification: -// May 2008 - BMR -// Class hierarchy is revised to address bugzilla 1068. Class -// AbstractDS and Attribute are moved out of H5Object. In -// addition, member IdComponent::id is moved into subclasses, and -// IdComponent::getId now becomes pure virtual function. -// Programmer Binh-Minh Ribler - May, 2008 +// May 2008 - BMR +// Class hierarchy is revised to address bugzilla 1068. Class +// AbstractDS and Attribute are moved out of H5Object. In +// addition, member IdComponent::id is moved into subclasses, and +// IdComponent::getId now becomes pure virtual function. +// Programmer Binh-Minh Ribler - May, 2008 //-------------------------------------------------------------------------- hid_t H5File::getId() const { - return(id); + return(id); } #ifndef DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- -// Function: H5File::reopen -// Purpose: Reopens this file. -// Exception H5::FileIException +// Function: H5File::reopen +// Purpose: Reopens this file. +// Exception H5::FileIException // Description -// This function is replaced by the above function reOpen. -// Programmer Binh-Minh Ribler - 2000 +// This function is replaced by the above function reOpen. +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void H5File::reopen() { - H5File::reOpen(); + H5File::reOpen(); } //-------------------------------------------------------------------------- -// Function: H5File::getLocId -// Purpose: Get the id of this file +// Function: H5File::getLocId +// Purpose: Get the id of this file // Description -// This function is a redefinition of CommonFG::getLocId. It -// is used by CommonFG member functions to get the file id. -// Programmer Binh-Minh Ribler - 2000 +// This function is a redefinition of CommonFG::getLocId. It +// is used by CommonFG member functions to get the file id. +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- hid_t H5File::getLocId() const { - return( getId() ); + return(getId()); } //-------------------------------------------------------------------------- -// Function: H5File::p_setId (protected) -///\brief Sets the identifier of this object to a new value. +// Function: H5File::p_setId (protected) +///\brief Sets the identifier of this object to a new value. /// -///\exception H5::IdComponentException when the attempt to close the HDF5 -/// object fails +///\exception H5::IdComponentException when the attempt to close the HDF5 +/// object fails // Description: -// The underlaying reference counting in the C library ensures -// that the current valid id of this object is properly closed. -// Then the object's id is reset to the new id. -// Programmer Binh-Minh Ribler - 2000 +// The underlaying reference counting in the C library ensures +// that the current valid id of this object is properly closed. +// Then the object's id is reset to the new id. +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void H5File::p_setId(const hid_t new_id) { @@ -590,69 +604,69 @@ void H5File::p_setId(const hid_t new_id) catch (Exception& E) { throw FileIException("H5File::p_setId", E.getDetailMsg()); } - // reset object's id to the given id - id = new_id; + // reset object's id to the given id + id = new_id; } #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- -// Function: H5File::close -///\brief Closes this HDF5 file. +// Function: H5File::close +///\brief Closes this HDF5 file. /// -///\exception H5::FileIException -// Programmer Binh-Minh Ribler - Mar 9, 2005 +///\exception H5::FileIException +// Programmer Binh-Minh Ribler - Mar 9, 2005 //-------------------------------------------------------------------------- void H5File::close() { if (p_valid_id(id)) { - herr_t ret_value = H5Fclose( id ); - if( ret_value < 0 ) - { - throw FileIException("H5File::close", "H5Fclose failed"); - } - // reset the id - id = H5I_INVALID_HID; + herr_t ret_value = H5Fclose(id); + if(ret_value < 0) + { + throw FileIException("H5File::close", "H5Fclose failed"); + } + // reset the id + id = H5I_INVALID_HID; } } //-------------------------------------------------------------------------- -// Function: H5File::throwException -///\brief Throws file exception - initially implemented for CommonFG -///\param func_name - Name of the function where failure occurs -///\param msg - Message describing the failure -///\exception H5::FileIException +// Function: H5File::throwException +///\brief Throws file exception - initially implemented for CommonFG +///\param func_name - Name of the function where failure occurs +///\param msg - Message describing the failure +///\exception H5::FileIException // Description -// This function is used in CommonFG implementation so that -// proper exception can be thrown for file or group. The -// argument func_name is a member of CommonFG and "H5File::" -// will be inserted to indicate the function called is an -// implementation of H5File. -// Programmer Binh-Minh Ribler - 2000 +// This function is used in CommonFG implementation so that +// proper exception can be thrown for file or group. The +// argument func_name is a member of CommonFG and "H5File::" +// will be inserted to indicate the function called is an +// implementation of H5File. +// Programmer Binh-Minh Ribler - 2000 //-------------------------------------------------------------------------- void H5File::throwException(const H5std_string& func_name, const H5std_string& msg) const { - H5std_string full_name = func_name; - full_name.insert(0, "H5File::"); - throw FileIException(full_name, msg); + H5std_string full_name = func_name; + full_name.insert(0, "H5File::"); + throw FileIException(full_name, msg); } //-------------------------------------------------------------------------- -// Function: H5File destructor -///\brief Properly terminates access to this file. -// Programmer Binh-Minh Ribler - 2000 +// Function: H5File destructor +///\brief Properly terminates access to this file. +// Programmer Binh-Minh Ribler - 2000 // Modification -// - Replaced resetIdComponent() with decRefCount() to use C -// library ID reference counting mechanism - BMR, Feb 20, 2005 -// - Replaced decRefCount with close() to let the C library -// handle the reference counting - BMR, Jun 1, 2006 +// - Replaced resetIdComponent() with decRefCount() to use C +// library ID reference counting mechanism - BMR, Feb 20, 2005 +// - Replaced decRefCount with close() to let the C library +// handle the reference counting - BMR, Jun 1, 2006 //-------------------------------------------------------------------------- H5File::~H5File() { try { - close(); + close(); } catch (Exception& close_error) { - cerr << "H5File::~H5File - " << close_error.getDetailMsg() << endl; + cerr << "H5File::~H5File - " << close_error.getDetailMsg() << endl; } } |