Gabriele Cosmo
49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef toolx_hdf5_group_exists
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#define toolx_hdf5_group_exists
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#include "hdf5_h"
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#include <string>
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namespace toolx {
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namespace hdf5 {
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class group_exists_struct {
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public:
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group_exists_struct(const std::string& a_what):m_what(a_what),m_found(false){}
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virtual ~group_exists_struct() {}
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protected:
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group_exists_struct(const group_exists_struct& a_from):m_what(a_from.m_what),m_found(a_from.m_found){}
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group_exists_struct& operator=(const group_exists_struct&){return *this;}
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public:
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std::string m_what;
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bool m_found;
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};
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inline herr_t group_exists_visit(hid_t a_id,const char* a_name,void* a_tag){ //a_id = parent of a_name object.
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group_exists_struct* visitor = (group_exists_struct*)a_tag;
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H5G_stat_t statbuf;
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::H5Gget_objinfo(a_id,a_name,0,&statbuf);
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switch(statbuf.type) {
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case H5G_GROUP:{
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if(a_name==visitor->m_what) {visitor->m_found=true;return 0;} //found
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}break;
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default:
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break;
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}
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return 0;
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}
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inline bool group_exists(hid_t a_file_id,const std::string& a_name) {
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group_exists_struct visitor(a_name);
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::H5Giterate(a_file_id,".",NULL,group_exists_visit,&visitor);
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return visitor.m_found;
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}
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}}
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#endif
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