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author | Binh-Minh Ribler <bmribler@hdfgroup.org> | 2000-12-07 00:04:08 (GMT) |
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committer | Binh-Minh Ribler <bmribler@hdfgroup.org> | 2000-12-07 00:04:08 (GMT) |
commit | f148ff3caf533e9f6029798617f0a8087bcd6c05 (patch) | |
tree | 00bb6ca4d0e50aa0e591eed6a0d739c04c93c5e7 /c++/src/H5CommonFG.cpp | |
parent | 7df8cd5cfe22372f603ea058334647fe4017008e (diff) | |
download | hdf5-f148ff3caf533e9f6029798617f0a8087bcd6c05.zip hdf5-f148ff3caf533e9f6029798617f0a8087bcd6c05.tar.gz hdf5-f148ff3caf533e9f6029798617f0a8087bcd6c05.tar.bz2 |
[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/H5CommonFG.cpp')
-rw-r--r-- | c++/src/H5CommonFG.cpp | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/c++/src/H5CommonFG.cpp b/c++/src/H5CommonFG.cpp new file mode 100644 index 0000000..6ece682 --- /dev/null +++ b/c++/src/H5CommonFG.cpp @@ -0,0 +1,285 @@ +#include <string> + +#include "H5Include.h" +#include "H5RefCounter.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 "H5Group.h" +#include "H5AbstractDs.h" +#include "H5DataSpace.h" +#include "H5DataSet.h" +#include "H5File.h" +#include "H5Alltypes.h" + +// Since several compilers do not have support template functions, the +// code in H5templates.h are modified to become the common code defined +// in this file. The common functions use the hdf5 id that is provided +// by the appropriate objects. +// October 2000 + +// There are a few comments that are common to most of the functions +// defined in this file so they are listed here. +// - when a failure returned by the C API, the functions will +// throw an exception, called File_GroupException, so Group or File can +// catch it and throw the appropriate exception to the user's application, +// i.e., GroupInterfaceException or FileInterfaceException. +// June 2000 + +#ifndef H5_NO_NAMESPACE +namespace H5 { +#endif +// Creates a new group at this location which can be a file or another group. +Group createGroupT( const hid_t loc_id, const string name, size_t size_hint ) +{ + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // Call C routine H5Gcreate to create the named group, giving the + // location id which can be a file id or a group id + hid_t group_id = H5Gcreate( loc_id, name_C, size_hint ); + + // If the group id is valid, create and return the Group object + if( group_id > 0 ) + { + Group group( group_id ); + return( group ); + } + else + { + throw File_GroupException(); + } +} + +// Opens an existing group in a location which can be a file or another group +Group openGroupT( const hid_t loc_id, const string name ) +{ + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // Call C routine H5Gopen to open the named group, giving the + // location id which can be a file id or a group id + hid_t group_id = H5Gopen( loc_id, name_C ); + + // If the group id is valid, create and return the Group object + if( group_id > 0 ) + { + Group group( group_id ); + return( group ); + } + else + { + throw File_GroupException(); + } +} + +// Creates a new dataset at this location. +DataSet createDataSetT( const hid_t loc_id, const string name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist ) +{ + // Convert the dataset's name in C++ string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // 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 H5Dcreate to create the named dataset + hid_t dataset_id = H5Dcreate( loc_id, name_C, type_id, space_id, create_plist_id ); + + // If the dataset id is valid, create and return the DataSet object + if( dataset_id > 0 ) + { + DataSet dataset( dataset_id ); + return( dataset ); + } + else + { + throw File_GroupException(); + } +} + +// Opens an existing dataset at this location. +DataSet openDataSetT( const hid_t loc_id, const string name ) +{ + // Convert the dataset's name in C++ string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // Call C function H5Dopen to open the specified dataset, giving + // the location id and the dataset's name + hid_t dataset_id = H5Dopen( loc_id, name_C ); + + // If the dataset id is valid, create and return the DataSet object + if( dataset_id > 0 ) + { + DataSet dataset( dataset_id ); + return( dataset ); + } + else + { + throw File_GroupException(); + } +} + +// Creates a link of the specified type from new_name to current_name; +// both names are interpreted relative to the specified location id +void linkT( const hid_t loc_id, H5G_link_t link_type, const string curr_name, const string new_name ) +{ + // Convert string to C-string + const char* curr_name_C, *new_name_C; + curr_name_C = curr_name.c_str(); // refers to contents of curr_name as a C-str + new_name_C = new_name.c_str(); // refers to contents of new_name as a C-str + + herr_t ret_value = H5Glink( loc_id, link_type, curr_name_C, new_name_C ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Removes the specified name at this location. +void unlinkT( const hid_t loc_id, const string name ) +{ + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + herr_t ret_value = H5Gunlink( loc_id, name_C ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Renames an object at this location. +void moveT( const hid_t loc_id, const string src, const string dst ) +{ + // Convert string to C-string + const char* src_C, *dst_C; + src_C = src.c_str(); // refers to contents of src as a C-str + dst_C = dst.c_str(); // refers to contents of dst as a C-str + + herr_t ret_value = H5Gmove( loc_id, src_C, dst_C ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Returns information about an object +void getObjinfoT( const hid_t loc_id, const string name, hbool_t follow_link, H5G_stat_t& statbuf ) +{ + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + herr_t ret_value = H5Gget_objinfo( loc_id, name_C, follow_link, &statbuf ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Returns the name of the object that the symbolic link points to. +string getLinkvalT( const hid_t loc_id, const string name, size_t size ) +{ + // Convert string to C-string - name_C refers to the contents of name + // as a C string + const char* name_C = name.c_str(); + + char* value_C = new char[size+1]; // temporary C-string for C API + + herr_t ret_value = H5Gget_linkval( loc_id, name_C, size, value_C ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } + string value = string( value_C ); + delete value_C; + return( value ); +} + +// Sets the comment for an object specified by its name +void setCommentT( const hid_t loc_id, const string name, const string comment ) +{ + // Convert strings to C-strings + const char* name_C, *comment_C; + name_C = name.c_str(); // refers to the contents of name as a C-str + comment_C = comment.c_str(); // refers to the contents of comment as a C-str + herr_t ret_value = H5Gset_comment( loc_id, name_C, comment_C ); + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Retrieves comment for specified object +string getCommentT( const hid_t loc_id, const string name, size_t bufsize ) +{ + // Convert string to C-string - name_C refers to the contents of name + // as a C string + const char* name_C = name.c_str(); + + // temporary C-string for the object's comment + char* comment_C = new char[bufsize+1]; + + herr_t ret_value = H5Gget_comment( loc_id, name_C, bufsize, comment_C ); + + // if H5Gget_comment returns SUCCEED, return the string comment + if( ret_value < 0 ) + { + throw File_GroupException(); + } + string comment = string( comment_C ); + delete comment_C; + return( comment ); +} + +// Mounts the file 'child' onto this group +void mountT( const hid_t loc_id, const string name, hid_t child_id, PropList& plist ) +{ + // Obtain identifiers for C API + hid_t plist_id = plist.getId(); + + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // Call C routine H5Fmount to do the mouting + herr_t ret_value = H5Fmount( loc_id, name_C, child_id, plist_id ); + + // Raise exception if H5Fmount returns negative value + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} + +// Unmounts the file named 'name' from this parent group +void unmountT( const hid_t loc_id, const string name ) +{ + // Convert string to C-string + const char* name_C; + name_C = name.c_str(); // name_C refers to the contents of name as a C-str + + // Call C routine H5Fmount to do the mouting + herr_t ret_value = H5Funmount( loc_id, name_C ); + + // Raise exception if H5Funmount returns negative value + if( ret_value < 0 ) + { + throw File_GroupException(); + } +} +#ifndef H5_NO_NAMESPACE +} +#endif |