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authorBinh-Minh Ribler <bmribler@hdfgroup.org>2000-12-07 00:04:08 (GMT)
committerBinh-Minh Ribler <bmribler@hdfgroup.org>2000-12-07 00:04:08 (GMT)
commitf148ff3caf533e9f6029798617f0a8087bcd6c05 (patch)
tree00bb6ca4d0e50aa0e591eed6a0d739c04c93c5e7 /c++/src/H5File.cpp
parent7df8cd5cfe22372f603ea058334647fe4017008e (diff)
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[svn-r3080]
Purpose: Support portability Description: I forgot that source file extension .C will not work on Windows. Solution: Changed all source file from *.C to *.cpp for portability. Platforms tested: arabica (sparc-sun-solaris 2.7)
Diffstat (limited to 'c++/src/H5File.cpp')
-rw-r--r--c++/src/H5File.cpp474
1 files changed, 474 insertions, 0 deletions
diff --git a/c++/src/H5File.cpp b/c++/src/H5File.cpp
new file mode 100644
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+++ b/c++/src/H5File.cpp
@@ -0,0 +1,474 @@
+#include <string>
+
+#include "H5Include.h"
+#include "H5RefCounter.h"
+#include "H5Exception.h"
+#include "H5IdComponent.h"
+#include "H5Idtemplates.h"
+#include "H5PropList.h"
+#include "H5Object.h"
+#include "H5FaccProp.h"
+#include "H5FcreatProp.h"
+#include "H5DxferProp.h"
+#include "H5DcreatProp.h"
+#include "H5Group.h"
+#include "H5AbstractDs.h"
+#include "H5DataSpace.h"
+#include "H5DataSet.h"
+#include "H5File.h"
+#include "H5Alltypes.h"
+#include "H5CommonFG.h"
+
+#ifndef H5_NO_NAMESPACE
+namespace H5 {
+#endif
+
+// Creates or opens an HDF5 file depending on the parameter flags.
+H5File::H5File( const string& name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : IdComponent()
+{
+ getFile( name.c_str(), flags, create_plist, access_plist );
+}
+
+H5File::H5File( const char* name, unsigned int flags, const FileCreatPropList& create_plist, const FileAccPropList& access_plist ) : IdComponent()
+{
+ getFile( name, flags, create_plist, access_plist );
+}
+
+// This function is private and contains common code between the
+// constructors taking a string or a char*
+void H5File::getFile( 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|H5F_ACC_DEBUG ))
+ {
+ 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 );
+ }
+ // Open the file if none of the bits above are set.
+ else
+ {
+ // use create_plist for access plist because of the default argument
+ hid_t access_plist_id = create_plist.getId();
+ id = H5Fopen( name, flags, access_plist_id );
+ }
+
+ if( id <= 0 ) // throw an exception when open/create fail
+ {
+ throw FileIException();
+ }
+}
+
+// Copy constructor: makes a copy of the original H5File object.
+H5File::H5File( const H5File& original ) : IdComponent( original ) {}
+
+// Determines whether a file specified by its name in HDF5 format
+bool H5File::isHdf5(const string& name )
+{
+ return( isHdf5( name.c_str()) );
+}
+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();
+ }
+}
+
+// Reopens this file
+void H5File::reopen()
+{
+ // reset the identifier of this H5File - send 'this' in so that
+ // H5Fclose can be called appropriately
+ resetIdComponent( this );
+
+ // call C routine to reopen the file - Note: not sure about this
+ // does id need to be closed later? which id to be the parameter?
+ id = H5Freopen( id );
+ if( id <= 0 ) // Raise exception when H5Freopen returns a neg value
+ {
+ throw FileIException();
+ }
+}
+
+// Creates a new group in this file using the template function provided
+// in FGtemplates.h
+Group H5File::createGroup( const string& name, size_t size_hint ) const
+{
+ return( createGroup( name.c_str(), size_hint ));
+}
+
+Group H5File::createGroup( const char* name, size_t size_hint ) const
+{
+ try {
+ Group group = createGroupT( id, name, size_hint );
+ return( group );
+ }
+ catch( File_GroupException error )
+ {
+ throw FileIException();
+ }
+}
+
+// Opens an existing group in this file using the template function provided
+// in FGtemplates.h
+Group H5File::openGroup( const string& name ) const
+{
+ return( openGroup( name.c_str() ));
+}
+
+Group H5File::openGroup( const char* name ) const
+{
+ try {
+ Group group = openGroupT( id, name );
+ return( group );
+ }
+ catch( File_GroupException error )
+ {
+ throw FileIException();
+ }
+}
+
+// Creates a dataset in this file using the template function
+// provided in FGtemplates.h
+DataSet H5File::createDataSet( const 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 ));
+}
+
+DataSet H5File::createDataSet( const char* name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist ) const
+{
+ try {
+ DataSet dataset = createDataSetT( id, name, data_type, data_space, create_plist );
+ return( dataset );
+ }
+ catch( File_GroupException error )
+ {
+ throw FileIException();
+ }
+}
+
+// Opens an existing dataset in this file using the template function
+// provided in FGtemplates.h
+DataSet H5File::openDataSet( const string& name ) const
+{
+ return( openDataSet( name.c_str() ));
+}
+
+DataSet H5File::openDataSet( const char* name ) const
+{
+ try {
+ DataSet dataset = openDataSetT( id, name );
+ return( dataset );
+ }
+ catch( File_GroupException error )
+ {
+ throw FileIException();
+ }
+}
+
+// This private member function calls the C API H5Topen to open the
+// named datatype in this file, and returns the datatype's identifier.
+// The function is used by the functions openXxxType's below for
+// opening the sub-types
+hid_t H5File::p_openDataType( const char* name ) const
+{
+ // Call C function H5Topen to open the named datatype in this group,
+ // giving the group id
+ hid_t datatype_id = H5Topen( id, name );
+
+ // If the datatype id is valid, return it, otherwise, throw an exception.
+ if( datatype_id > 0 )
+ return( datatype_id );
+ else
+ {
+ throw FileIException();
+ }
+}
+
+//
+// The following member functions use the private function
+// p_openDataType to open a named datatype in this group
+//
+
+// Opens the named generic datatype in this group.
+DataType H5File::openDataType( const string& name ) const
+{
+ return( openDataType( name.c_str()) );
+}
+DataType H5File::openDataType( const char* name ) const
+{
+ DataType data_type( p_openDataType( name ));
+ return( data_type );
+}
+
+// Opens the named enumeration datatype in this group.
+EnumType H5File::openEnumType( const string& name ) const
+{
+ return( openEnumType( name.c_str()) );
+}
+EnumType H5File::openEnumType( const char* name ) const
+{
+ EnumType enum_type( p_openDataType( name ));
+ return( enum_type );
+}
+
+// Opens the named compound datatype in this group.
+CompType H5File::openCompType( const string& name ) const
+{
+ return( openCompType( name.c_str()) );
+}
+CompType H5File::openCompType( const char* name ) const
+{
+ CompType comp_type( p_openDataType( name ));
+ return( comp_type );
+}
+
+// Opens the named integer datatype in this group.
+IntType H5File::openIntType( const string& name ) const
+{
+ return( openIntType( name.c_str()) );
+}
+IntType H5File::openIntType( const char* name ) const
+{
+ IntType int_type( p_openDataType( name ));
+ return( int_type );
+}
+
+// Opens the named floating-point datatype in this group.
+FloatType H5File::openFloatType( const string& name ) const
+{
+ return( openFloatType( name.c_str()) );
+}
+FloatType H5File::openFloatType( const char* name ) const
+{
+ FloatType float_type( p_openDataType( name ));
+ return( float_type );
+}
+
+// Opens the named string datatype of this group
+StrType H5File::openStrType( const string& name ) const
+{
+ return( openStrType( name.c_str()) );
+}
+StrType H5File::openStrType( const char* name ) const
+{
+ StrType str_type( p_openDataType( name ));
+ return( str_type );
+}
+
+// Returns the creation property list of this file
+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();
+ }
+}
+
+// Returns the access property list of this file
+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();
+ }
+}
+
+// Creates a link of the specified type from new_name to current_name;
+// both names are interpreted relative to this file
+void H5File::link( H5G_link_t link_type, const string& curr_name, const string& new_name ) const
+{
+ link( link_type, curr_name.c_str(), new_name.c_str() );
+}
+
+void H5File::link( H5G_link_t link_type, const char* curr_name, const char* new_name ) const
+{
+ try {
+ linkT( id, link_type, curr_name, new_name );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Removes the specified name from this file.
+void H5File::unlink( const string& name ) const
+{
+ unlink( name.c_str());
+}
+
+void H5File::unlink( const char* name ) const
+{
+ try {
+ unlinkT( id, name );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Renames an object from this file.
+void H5File::move( const string& src, const string& dst ) const
+{
+ move( src.c_str(), dst.c_str());
+}
+
+void H5File::move( const char* src, const char* dst ) const
+{
+ try {
+ moveT( id, src, dst );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Returns information about an object
+void H5File::getObjinfo( const string& name, hbool_t follow_link, H5G_stat_t& statbuf ) const
+{
+ getObjinfo( name, follow_link, statbuf );
+}
+
+void H5File::getObjinfo( const char* name, hbool_t follow_link, H5G_stat_t& statbuf ) const
+{
+ try {
+ getObjinfoT( id, name, follow_link, statbuf );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Returns the name of the object that the symbolic link points to.
+string H5File::getLinkval( const string& name, size_t size ) const
+{
+ return( getLinkval( name.c_str(), size ));
+}
+
+string H5File::getLinkval( const char* name, size_t size ) const
+{
+ try {
+ string value = getLinkvalT( id, name, size );
+ return( value );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Sets comment for specified object.
+void H5File::setComment( const string& name, const string& comment ) const
+{
+ setComment( name.c_str(), comment.c_str());
+}
+
+void H5File::setComment( const char* name, const char* comment ) const
+{
+ try {
+ setCommentT( id, name, comment );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Retrieves comment for specified object
+string H5File::getComment( const string& name, size_t bufsize ) const
+{
+ return( getComment( name.c_str(), bufsize ));
+}
+
+string H5File::getComment( const char* name, size_t bufsize ) const
+{
+ try {
+ string comment = getCommentT( id, name, bufsize );
+ return( comment );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Mounts the file 'child' onto this file
+void H5File::mount( const string& name, H5File& child, PropList& mount_plist ) const
+{
+ mount( name.c_str(), child, mount_plist );
+}
+
+void H5File::mount( const char* name, H5File& child, PropList& mount_plist ) const
+{
+ try {
+ mountT( id, name, child.getId(), mount_plist );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Unmounts the file named 'name' from this parent file
+void H5File::unmount( const string& name ) const
+{
+ unmount( name.c_str() );
+}
+
+void H5File::unmount( const char* name ) const
+{
+ try {
+ unmountT( id, name );
+ }
+ catch( File_GroupException error ) {
+ throw FileIException();
+ }
+}
+
+// Calls the C API H5Fclose to close this file. Used by IdComponent::reset
+void H5File::p_close() const
+{
+ herr_t ret_value = H5Fclose( id );
+ if( ret_value < 0 )
+ {
+ throw FileIException();
+ }
+}
+
+// The destructor of this instance calls IdComponent::reset to
+// reset its identifier - no longer true
+// Older compilers (baldric) don't support template member functions
+// and IdComponent::reset is one; so at this time, the resetId is not
+// a member function so it can be template to work around that problem.
+H5File::~H5File()
+{
+ // The HDF5 file id will be closed properly
+ resetIdComponent( this );
+}
+
+#ifndef H5_NO_NAMESPACE
+} // end namespace
+#endif