Warning, /include/Geant4/toolx/hdf5/group_exists is written in an unsupported language. File is not indexed.
0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003
0004 #ifndef toolx_hdf5_group_exists
0005 #define toolx_hdf5_group_exists
0006
0007 #include "hdf5_h"
0008
0009 #include <string>
0010
0011 namespace toolx {
0012 namespace hdf5 {
0013
0014 class group_exists_struct {
0015 public:
0016 group_exists_struct(const std::string& a_what):m_what(a_what),m_found(false){}
0017 virtual ~group_exists_struct() {}
0018 protected:
0019 group_exists_struct(const group_exists_struct& a_from):m_what(a_from.m_what),m_found(a_from.m_found){}
0020 group_exists_struct& operator=(const group_exists_struct&){return *this;}
0021 public:
0022 std::string m_what;
0023 bool m_found;
0024 };
0025
0026 inline herr_t group_exists_visit(hid_t a_id,const char* a_name,void* a_tag){ //a_id = parent of a_name object.
0027 group_exists_struct* visitor = (group_exists_struct*)a_tag;
0028 H5G_stat_t statbuf;
0029 ::H5Gget_objinfo(a_id,a_name,0,&statbuf);
0030 switch(statbuf.type) {
0031 case H5G_GROUP:{
0032 if(a_name==visitor->m_what) {visitor->m_found=true;return 0;} //found
0033 }break;
0034 default:
0035 break;
0036 }
0037 return 0;
0038 }
0039
0040 inline bool group_exists(hid_t a_file_id,const std::string& a_name) {
0041 group_exists_struct visitor(a_name);
0042 ::H5Giterate(a_file_id,".",NULL,group_exists_visit,&visitor);
0043 return visitor.m_found;
0044 }
0045
0046 }}
0047
0048 #endif
