Mesh Oriented datABase  (version 5.4.1)
Array-based unstructured mesh datastructure
cleanTags.cpp
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00001 /*
00002  * cleanTags.cpp
00003  * this tool will remove a list of tags from a file, or keep only the tags from a given list
00004  * will use just the names of the tags
00005  *
00006  * example of usage:
00007  * ./mbcleantags -i input_file.h5m -o outfile.h5m -d list_tags_separated_by':' -k list_tags separated by ':'
00008  *
00009  */
00010 #include "moab/MOABConfig.h"
00011 
00012 #include "moab/ProgOptions.hpp"
00013 #include "moab/Core.hpp"
00014 
00015 using namespace moab;
00016 using namespace std;
00017 
00018 vector< string > split( const string& i_str, const string& i_delim )
00019 {
00020     vector< string > result;
00021 
00022     size_t found      = i_str.find( i_delim );
00023     size_t startIndex = 0;
00024 
00025     while( found != string::npos )
00026     {
00027         result.push_back( string( i_str.begin() + startIndex, i_str.begin() + found ) );
00028         startIndex = found + i_delim.size();
00029         found      = i_str.find( i_delim, startIndex );
00030     }
00031     if( startIndex != i_str.size() ) result.push_back( string( i_str.begin() + startIndex, i_str.end() ) );
00032     return result;
00033 }
00034 
00035 int main( int argc, char* argv[] )
00036 {
00037 
00038     ProgOptions opts;
00039 
00040     string inputfile, outputfile, deleteTags, keepTags;
00041     opts.addOpt< string >( "input,i", "input filename ", &inputfile );
00042     opts.addOpt< string >( "output,o", "output file", &outputfile );
00043 
00044     opts.addOpt< string >( "deleteTags,d", "delete tags ", &deleteTags );
00045     opts.addOpt< string >( "keepTags,k", "keep tags ", &keepTags );
00046     opts.parseCommandLine( argc, argv );
00047 
00048     Core core;
00049     Interface* mb = &core;
00050     ErrorCode rval;
00051     rval = mb->load_file( inputfile.c_str() );MB_CHK_ERR( rval );
00052     vector< Tag > existingTags;
00053     rval = mb->tag_get_tags( existingTags );MB_CHK_ERR( rval );
00054     vector< string > tagsToDelete;
00055     if( !keepTags.empty() )
00056     {
00057         vector< string > tagsToKeep = split( keepTags, string( ":" ) );
00058         for( size_t i = 0; i < existingTags.size(); i++ )
00059         {
00060             string tname;
00061             rval = mb->tag_get_name( existingTags[i], tname );MB_CHK_ERR( rval );
00062             bool deleteTag = false;
00063             for( size_t k = 0; k < tagsToKeep.size() && !deleteTag; k++ )
00064             {
00065                 if( tname.compare( tagsToKeep[k] ) == 0 ) deleteTag = true;
00066             }
00067             if( !deleteTag ) tagsToDelete.push_back( tname );
00068         }
00069     }
00070     if( !deleteTags.empty() )
00071     {
00072         tagsToDelete = split( deleteTags, string( ":" ) );
00073     }
00074     for( size_t i = 0; i < tagsToDelete.size(); i++ )
00075     {
00076         Tag tag;
00077         rval = mb->tag_get_handle( tagsToDelete[i].c_str(), tag );
00078         if( rval == MB_SUCCESS && tag != NULL )
00079         {
00080             rval = mb->tag_delete( tag );MB_CHK_ERR( rval );
00081         }
00082     }
00083     cout << "write file " << outputfile << endl;
00084     rval = mb->write_file( outputfile.c_str() );MB_CHK_ERR( rval );
00085 
00086     return 0;
00087 }
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