ReadABAQUS.cpp

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/**
 * MOAB, a Mesh-Oriented datABase, is a software component for creating,
 * storing and accessing finite element mesh data.
 *
 * Copyright 2004 Sandia Corporation.  Under the terms of Contract
 * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
 * retains certain rights in this software.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 */

#ifdef WIN32
#pragma warning( disable : 4786 )
#endif

#include "ReadABAQUS.hpp"

#include <algorithm>
#include <ctime>
#include <string>
#include <cassert>
#include <cstdio>
#include <cmath>

#include "moab/Range.hpp"
#include "moab/Interface.hpp"
#include "MBTagConventions.hpp"
#include "Internals.hpp"
#include "moab/ReadUtilIface.hpp"
#include "AffineXform.hpp"
// #include "abaqus_order.h"
#include "moab/FileOptions.hpp"

namespace moab
{

#define ABQ_AMBIGUOUS "AMBIGUOUS"
#define ABQ_UNDEFINED "UNDEFINED"
#define DEG2RAD       0.017453292519943295769236907684886

#define MB_RETURN_IF_FAIL \
    if( MB_SUCCESS != status ) return status

ReaderIface* ReadABAQUS::factory( Interface* iface )
{
    return new ReadABAQUS( iface );
}

ReadABAQUS::ReadABAQUS( Interface* impl )
    : mdbImpl( impl ), readMeshIface( NULL ), lineNo( 0 ), next_line_type( abq_undefined_line ), mat_id( 0 )
{
    assert( impl != NULL );
    reset();

    impl->query_interface( readMeshIface );

    // Initialize in case tag_get_handle fails below
    mMaterialSetTag  = 0;
    mDirichletSetTag = 0;
    mNeumannSetTag   = 0;
    mHasMidNodesTag  = 0;

    mSetTypeTag        = 0;
    mPartHandleTag     = 0;
    mInstancePIDTag    = 0;
    mInstanceGIDTag    = 0;
    mLocalIDTag        = 0;
    mInstanceHandleTag = 0;
    mAssemblyHandleTag = 0;
    mSetNameTag        = 0;
    mMatNameTag        = 0;

    //! Get and cache predefined tag handles
    int negone = -1, negonearr[] = { -1, -1, -1, -1 };
    mMaterialSetTag  = get_tag( MATERIAL_SET_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER, &negone );
    mDirichletSetTag = get_tag( DIRICHLET_SET_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER, &negone );
    mNeumannSetTag   = get_tag( NEUMANN_SET_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER, &negone );
    mHasMidNodesTag  = get_tag( HAS_MID_NODES_TAG_NAME, 4, MB_TAG_SPARSE, MB_TYPE_INTEGER, negonearr );

    mSetTypeTag        = get_tag( ABAQUS_SET_TYPE_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER );
    mPartHandleTag     = get_tag( ABAQUS_PART_HANDLE_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_HANDLE );
    mInstanceHandleTag = get_tag( ABAQUS_INSTANCE_HANDLE_TAG_NAME, 1, MB_TAG_DENSE, MB_TYPE_HANDLE );
    mAssemblyHandleTag = get_tag( ABAQUS_ASSEMBLY_HANDLE_TAG_NAME, 1, MB_TAG_DENSE, MB_TYPE_HANDLE );
    mInstancePIDTag    = get_tag( ABAQUS_INSTANCE_PART_ID_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER );
    mInstanceGIDTag    = get_tag( ABAQUS_INSTANCE_GLOBAL_ID_TAG_NAME, 1, MB_TAG_SPARSE, MB_TYPE_INTEGER, &negone );
    mLocalIDTag        = get_tag( ABAQUS_LOCAL_ID_TAG_NAME, 1, MB_TAG_DENSE, MB_TYPE_INTEGER );
    mSetNameTag        = get_tag( ABAQUS_SET_NAME_TAG_NAME, ABAQUS_SET_NAME_LENGTH, MB_TAG_SPARSE, MB_TYPE_OPAQUE, 0 );
    mMatNameTag        = get_tag( ABAQUS_MAT_NAME_TAG_NAME, ABAQUS_MAT_NAME_LENGTH, MB_TAG_SPARSE, MB_TYPE_OPAQUE, 0 );
}

void ReadABAQUS::reset() {}

ReadABAQUS::~ReadABAQUS()
{
    mdbImpl->release_interface( readMeshIface );
    if( abFile.fail() ) abFile.close();
}

/*

ErrorCode ReadABAQUS::check_file_stats()
* check for existence of file
* initialize meshsets, and offsets if necessary

*/

ErrorCode ReadABAQUS::read_tag_values( const char* /* file_name */,
                                       const char* /* tag_name */,
                                       const FileOptions& /* opts */,
                                       std::vector< int >& /* tag_values_out */,
                                       const SubsetList* /* subset_list */ )
{
    return MB_NOT_IMPLEMENTED;
}

ErrorCode ReadABAQUS::load_file( const char* abaqus_file_name,
                                 const EntityHandle* file_set_ptr,
                                 const FileOptions& /*opts*/,
                                 const ReaderIface::SubsetList* subset_list,
                                 const Tag* /*file_id_tag*/ )
{
    ErrorCode status;

    if( subset_list )
    {
        MB_SET_ERR( MB_UNSUPPORTED_OPERATION, "Reading subset of files not supported for ABAQUS data" );
    }

    // Open file
    lineNo = 0;
    abFile.open( abaqus_file_name );
    if( !abFile ) return MB_FILE_DOES_NOT_EXIST;

    bool in_unsupported = false;

    EntityHandle file_set;
    status = mdbImpl->create_meshset( MESHSET_SET, file_set );
    if( MB_SUCCESS != status ) return status;

    next_line_type = get_next_line_type();
    while( next_line_type != abq_eof )
    {
        switch( next_line_type )
        {
            case abq_keyword_line:
                in_unsupported = false;
                switch( get_keyword() )
                {
                    case abq_heading:
                        // Read header
                        status = read_heading( file_set );
                        break;
                    case abq_part:
                        // Read parts until done
                        status = read_part( file_set );
                        break;
                    case abq_assembly:
                        // Read assembly (or assemblies?)
                        status = read_assembly( file_set );
                        break;
                    default:
                        // Skip reading other content for now
                        // (e.g. material properties, loads, surface interactions, etc)
                        in_unsupported = true;
                        // std::cout << "Ignoring unsupported keyword: " << readline << std::endl;
                }
                MB_RETURN_IF_FAIL;
                break;
            case abq_comment_line:
                break;
            case abq_data_line:
                if( !in_unsupported )
                {
                    MB_SET_ERR( MB_FAILURE, "Expected Keyword" );
                }
                break;
            default:
                MB_SET_ERR( MB_FAILURE, "Invalid/unrecognized line" );
        }

        next_line_type = get_next_line_type();
    }

    // Temporary??? delete parts
    // Get all node sets in part
    Range part_sets;
    int tag_val      = ABQ_PART_SET;
    void* tag_data[] = { &tag_val };
    status = mdbImpl->get_entities_by_type_and_tag( file_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, part_sets );
    MB_RETURN_IF_FAIL;

    for( Range::iterator part_set = part_sets.begin(); part_set != part_sets.end(); ++part_set )
    {
        Range ent_sets;
        tag_val     = ABQ_NODE_SET;
        tag_data[0] = &tag_val;

        status = mdbImpl->get_entities_by_type_and_tag( *part_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, ent_sets );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->delete_entities( ent_sets );
        MB_RETURN_IF_FAIL;

        tag_val     = ABQ_ELEMENT_SET;
        tag_data[0] = &tag_val;

        status = mdbImpl->get_entities_by_type_and_tag( *part_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, ent_sets );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->delete_entities( ent_sets );
        MB_RETURN_IF_FAIL;

        Range node_list, ele_list;
        status = get_set_elements( *part_set, ele_list );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->delete_entities( ele_list );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->get_entities_by_dimension( *part_set, 0, node_list );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->delete_entities( node_list );
        MB_RETURN_IF_FAIL;
    }

    if( file_set_ptr )
    {
        status = mdbImpl->unite_meshset( *file_set_ptr, file_set );
        MB_RETURN_IF_FAIL;
    }

    return mdbImpl->delete_entities( &file_set, 1 );
}

ErrorCode ReadABAQUS::read_heading( EntityHandle /*file_set*/ )
{
    // Current line is only heading token. get next line
    next_line_type = get_next_line_type();

    // Perhaps keep first line and tag geometry with title?

    while( abq_data_line == next_line_type || abq_comment_line == next_line_type )
        next_line_type = get_next_line_type();

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_assembly( EntityHandle file_set )
{
    ErrorCode status = MB_SUCCESS;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_assembly_params > requiredParams;
    requiredParams["NAME"] = abq_assembly_name;

    std::map< std::string, abaqus_assembly_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_assembly_ambiguous;

    abaqus_assembly_params param;

    std::string assembly_name;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    // Search for required parameters
    for( std::map< std::string, abaqus_assembly_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_assembly_name:
                assembly_name = params[param_key];
                params.erase( param_key );
                // std::cout << "Adding ASSEMBLY with name: " << assembly_name << std::endl; //
                // REMOVE
                break;
            default:
                // std::cout << "Missing required ASSEMBLY parameter " << (*thisParam).first <<
                // std::endl;
                return MB_FAILURE;
        }
    }

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_assembly_ambiguous:
                // std::cout << "\tIgnoring ambiguous ASSEMBLY parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\tIgnoring unsupported ASSEMBLY parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    EntityHandle assembly_set;

    status = add_entity_set( file_set, ABQ_ASSEMBLY_SET, assembly_name, assembly_set );

    next_line_type = get_next_line_type();

    bool end_assembly   = false;
    bool in_unsupported = false;

    while( next_line_type != abq_eof && !end_assembly )
    {
        switch( next_line_type )
        {
            case abq_keyword_line:
                in_unsupported = false;
                switch( get_keyword() )
                {
                    case abq_end_assembly:
                        end_assembly = true;
                        break;
                    case abq_instance:
                        status = read_instance( assembly_set, file_set );
                        break;
                    case abq_nset:
                        status = read_node_set( assembly_set, file_set );
                        break;
                    default:
                        in_unsupported = true;
                        // std::cout << "\tIgnoring unsupported keyword in this ASSEMBLY: "
                        //          << readline << std::endl;
                        next_line_type = get_next_line_type();
                        break;
                }
                break;
            case abq_comment_line:
                next_line_type = get_next_line_type();
                break;
            case abq_data_line:
                if( !in_unsupported )
                {
                    // std::cout << "Internal Error: Data lines not allowed in ASSEMBLY keyword."
                    //          << std::endl << readline << std::endl;
                    return MB_FAILURE;
                }
                next_line_type = get_next_line_type();
                break;
            case abq_blank_line:
                // std::cout << "Error: Blank lines are not allowed." << std::endl;
                return MB_FAILURE;
            default:
                // std::cout << "Error reading ASSEMBLY " << assembly_name << std::endl;
                return MB_FAILURE;
        }
        MB_RETURN_IF_FAIL;
    }

    num_assembly_instances[assembly_set] = 0;

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_instance( EntityHandle assembly_set, EntityHandle file_set )
{
    ErrorCode status = MB_SUCCESS;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_instance_params > requiredParams;
    requiredParams["NAME"] = abq_instance_name;
    requiredParams["PART"] = abq_instance_part;

    std::map< std::string, abaqus_instance_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_instance_ambiguous;

    abaqus_instance_params param;

    std::string instance_name, part_name;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    // Search for required parameters
    for( std::map< std::string, abaqus_instance_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_instance_name:
                instance_name = params[param_key];
                params.erase( param_key );
                break;
            case abq_instance_part:
                part_name = params[param_key];
                params.erase( param_key );
                break;
            default:
                // std::cout << "Missing required INSTANCE parameter " << (*thisParam).first <<
                // std::endl;
                return MB_FAILURE;
        }
    }
    // std::cout << "\tAdding INSTANCE with name: " << instance_name << " of PART wit name: " <<
    // part_name <<  std::endl; // REMOVE

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_instance_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous INSTANCE parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported INSTANCE parameter: " <<
                // (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    next_line_type = get_next_line_type();

    bool read_translation = false;
    bool read_rotation    = false;
    std::vector< double > translation( 3, 0 );
    std::vector< double > rotation( 7, 0 );
    bool end_instance   = false;
    bool in_unsupported = false;

    EntityHandle instance_set;
    status = add_entity_set( assembly_set, ABQ_INSTANCE_SET, instance_name, instance_set );
    MB_RETURN_IF_FAIL;

    while( next_line_type != abq_eof && !end_instance )
    {
        switch( next_line_type )
        {
            case abq_keyword_line:
                in_unsupported = false;
                switch( get_keyword() )
                {
                    case abq_end_instance:
                        end_instance   = true;
                        next_line_type = get_next_line_type();
                        break;
                    case abq_node:
                        status = read_node_list( instance_set, assembly_set );
                        break;
                    case abq_element:
                        status = read_element_list( instance_set, assembly_set );
                        break;
                    case abq_nset:
                        status = read_node_set( instance_set, file_set, assembly_set );
                        break;
                    case abq_elset:
                        status = read_element_set( instance_set, file_set, assembly_set );
                        break;
                    case abq_solid_section:
                        status = read_solid_section( instance_set );
                        break;
                    default:
                        in_unsupported = true;
                        // std::cout << "\t\tIgnoring unsupported keyword in this INSTANCE: "
                        //          << readline << std::endl;
                        next_line_type = get_next_line_type();
                        break;
                }
                break;
            case abq_comment_line:
                next_line_type = get_next_line_type();
                break;
            case abq_data_line:
                if( !in_unsupported )
                {
                    tokenize( readline, tokens, ", \n" );
                    if( !read_translation )
                    {
                        if( tokens.size() != 3 )
                        {
                            MB_SET_ERR( MB_FAILURE, "Wrong number of entries on INSTANCE translation line" );
                        }

                        for( unsigned int i = 0; i < 3; i++ )
                            translation[i] = atof( tokens[i].c_str() );

                        read_translation = true;
                    }
                    else if( !read_rotation )
                    {
                        if( tokens.size() != 7 )
                        {
                            MB_SET_ERR( MB_FAILURE, "Wrong number of entries on INSTANCE rotation line" );
                        }
                        for( unsigned int i = 0; i < 7; i++ )
                            rotation[i] = atof( tokens[i].c_str() );

                        read_rotation = true;
                    }
                    else
                    {
                        MB_SET_ERR( MB_FAILURE, "Too many data lines for this INSTANCE" );
                    }
                }  // if (!in_unsupported)
                next_line_type = get_next_line_type();
                break;
            case abq_blank_line:
                MB_SET_ERR( MB_FAILURE, "Error: Blank lines are not allowed" );
            default:
                MB_SET_ERR( MB_FAILURE, "Error reading INSTANCE" );
        }  // switch (next_line_type)
    }      // while (next_line_type != abq_eof && !end_instance)

    status = create_instance_of_part( file_set, assembly_set, part_name, instance_name, instance_set, translation,
                                      rotation );
    MB_RETURN_IF_FAIL;

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_part( EntityHandle file_set )
{
    ErrorCode status = MB_SUCCESS;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_part_params > requiredParams;
    requiredParams["NAME"] = abq_part_name;

    std::map< std::string, abaqus_part_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_part_ambiguous;

    abaqus_part_params param;

    std::string part_name;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    // Search for required parameters
    for( std::map< std::string, abaqus_part_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_part_name:
                part_name = params[param_key];
                params.erase( param_key );
                // std::cout << "Adding PART with name: " << part_name << std::endl; // REMOVE
                break;
            default:
                MB_SET_ERR( MB_FAILURE, "Missing required PART parameter" );
        }
    }

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_part_ambiguous:
                // std::cout << "\tIgnoring ambiguous PART parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\tIgnoring unsupported PART parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    EntityHandle part_set;

    status = add_entity_set( file_set, ABQ_PART_SET, part_name, part_set );

    next_line_type = get_next_line_type();

    bool end_part       = false;
    bool in_unsupported = false;

    while( next_line_type != abq_eof && !end_part )
    {
        switch( next_line_type )
        {
            case abq_keyword_line:
                in_unsupported = false;
                switch( get_keyword() )
                {
                    case abq_end_part:
                        end_part = true;
                        break;
                    case abq_node:
                        status = read_node_list( part_set );
                        break;
                    case abq_element:
                        status = read_element_list( part_set );
                        break;
                    case abq_nset:
                        status = read_node_set( part_set );
                        break;
                    case abq_elset:
                        status = read_element_set( part_set );
                        break;
                    case abq_solid_section:
                        status = read_solid_section( part_set );
                        break;
                    default:
                        in_unsupported = true;
                        // std::cout << "\tIgnoring unsupported keyword in this PART: "
                        //          << readline << std::endl;
                        next_line_type = get_next_line_type();
                        break;
                }
                MB_RETURN_IF_FAIL;
                break;
            case abq_comment_line:
                next_line_type = get_next_line_type();
                break;
            case abq_data_line:
                if( !in_unsupported )
                {
                    MB_SET_ERR( MB_FAILURE, "Data lines not allowed in PART keyword" );
                }
                next_line_type = get_next_line_type();
                break;
            case abq_blank_line:
                MB_SET_ERR( MB_FAILURE, "Blank lines are not allowed" );
            default:
                MB_SET_ERR( MB_FAILURE, "Error reading PART" );
        }
    }

    num_part_instances[part_set] = 0;

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_solid_section( EntityHandle parent_set )
{
    ErrorCode status;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_solid_section_params > requiredParams;
    requiredParams["ELSET"]    = abq_solid_section_elset;
    requiredParams["MATERIAL"] = abq_solid_section_matname;

    std::map< std::string, abaqus_solid_section_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_solid_section_ambiguous;

    abaqus_solid_section_params param;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    std::string elset_name, mat_name;

    // Search for required parameters
    for( std::map< std::string, abaqus_solid_section_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_solid_section_elset:
                elset_name = params[param_key];
                params.erase( param_key );
                break;
            case abq_solid_section_matname:
                mat_name = params[param_key];
                params.erase( param_key );
                break;
            default:
                MB_SET_ERR( MB_FAILURE, "Missing required SOLID SECTION parameter" );
        }
    }
    // std::cout << "\tAdding SOLID SECTION with to ELEMENT SET: " << elset_name << " with material:
    // " << mat_name << std::endl; // REMOVE

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_solid_section_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous SOLID_SECTION parameter: " <<
                // (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported SOLID_SECTION parameter: " <<
                // (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    EntityHandle set_handle;
    status = get_set_by_name( parent_set, ABQ_ELEMENT_SET, elset_name, set_handle );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->tag_set_data( mMatNameTag, &set_handle, 1, mat_name.c_str() );
    MB_RETURN_IF_FAIL;

    if( 0 == matIDmap[mat_name] ) matIDmap[mat_name] = ++mat_id;

    status = mdbImpl->tag_set_data( mMaterialSetTag, &set_handle, 1, &( matIDmap[mat_name] ) );
    MB_RETURN_IF_FAIL;

    next_line_type = get_next_line_type();

    while( next_line_type != abq_eof && next_line_type != abq_keyword_line )
        next_line_type = get_next_line_type();

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_element_set( EntityHandle parent_set, EntityHandle file_set, EntityHandle assembly_set )
{
    ErrorCode status;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_elset_params > requiredParams;
    requiredParams["ELSET"] = abq_elset_elset;

    std::map< std::string, abaqus_elset_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_elset_ambiguous;
    allowableParams["GENERATE"]    = abq_elset_generate;
    allowableParams["INSTANCE"]    = abq_elset_instance;

    abaqus_elset_params param;

    std::string elset_name;
    bool generate_elset = false;
    std::string instance_name;
    EntityHandle element_container_set = parent_set;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    Range element_range;

    // Search for required parameters
    for( std::map< std::string, abaqus_elset_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_elset_elset:
                elset_name = params[param_key];
                params.erase( param_key );
                // std::cout << "\tAdding ELSET with name: " << elset_name << std::endl; // REMOVE
                break;
            default:
                MB_SET_ERR( MB_FAILURE, "Missing required ELSET parameter" );
        }
    }

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_elset_generate:
                generate_elset = true;
                break;
            case abq_elset_instance:
                instance_name = ( *thisParam ).second;
                status        = get_set_by_name( parent_set, ABQ_INSTANCE_SET, instance_name, element_container_set );
                MB_RETURN_IF_FAIL;
                break;
            case abq_elset_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous ELSET parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported ELSET parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    std::vector< int > element_list;
    Range tmp_element_range;

    next_line_type = get_next_line_type();

    while( next_line_type != abq_eof && next_line_type != abq_keyword_line )
    {
        if( abq_data_line == next_line_type )
        {
            tokenize( readline, tokens, ", \n" );
            if( generate_elset )
            {
                if( tokens.size() != 3 )
                {
                    MB_SET_ERR( MB_FAILURE, "Wrong number of entries on GENERATE element set data line" );
                }
                int e1   = atoi( tokens[0].c_str() );
                int e2   = atoi( tokens[1].c_str() );
                int incr = atoi( tokens[2].c_str() );
                if( ( incr == 0 ) || ( ( ( e2 - e1 ) % incr ) != 0 ) )
                {
                    MB_SET_ERR( MB_FAILURE, "Invalid data on GENERATE element set data line" );
                }
                for( int element_id = e1; element_id <= e2; element_id += incr )
                    element_list.push_back( element_id );
            }
            else
            {
                for( unsigned int idx = 0; idx < tokens.size(); idx++ )
                {
                    if( isalpha( tokens[idx][0] ) )
                    {
                        tmp_element_range.clear();
                        status = get_set_elements_by_name( element_container_set, ABQ_ELEMENT_SET, tokens[idx],
                                                           tmp_element_range );
                        MB_RETURN_IF_FAIL;

                        element_range.merge( tmp_element_range );
                    }
                    else
                        element_list.push_back( atoi( tokens[idx].c_str() ) );
                }
            }
        }  // if (abq_data_line == next_line_type)

        next_line_type = get_next_line_type();
    }  // while (next_line_type != abq_eof && next_line_type != abq_keyword_line)

    tmp_element_range.clear();
    status = get_elements_by_id( element_container_set, element_list, tmp_element_range );
    MB_RETURN_IF_FAIL;

    element_range.merge( tmp_element_range );

    EntityHandle element_set;

    status = add_entity_set( parent_set, ABQ_ELEMENT_SET, elset_name, element_set );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->add_entities( element_set, element_range );
    MB_RETURN_IF_FAIL;

    // SHOULD WE EVER DO THIS???
    if( file_set )
    {
        status = mdbImpl->add_entities( file_set, &element_set, 1 );
        MB_RETURN_IF_FAIL;
    }

    // SHOULD WE EVER DO THIS???
    if( assembly_set )
    {
        status = mdbImpl->add_entities( assembly_set, &element_set, 1 );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mAssemblyHandleTag, &element_set, 1, &assembly_set );
        MB_RETURN_IF_FAIL;
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_node_set( EntityHandle parent_set, EntityHandle file_set, EntityHandle assembly_set )
{
    ErrorCode status;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_nset_params > requiredParams;
    requiredParams["NSET"] = abq_nset_nset;

    std::map< std::string, abaqus_nset_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_nset_ambiguous;
    allowableParams["ELSET"]       = abq_nset_elset;
    allowableParams["GENERATE"]    = abq_nset_generate;
    allowableParams["INSTANCE"]    = abq_nset_instance;

    abaqus_nset_params param;

    std::string nset_name;
    bool make_from_elset = false;
    bool generate_nset   = false;
    std::string elset_name, instance_name;
    EntityHandle node_container_set = parent_set;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    Range node_range;

    // Search for required parameters
    for( std::map< std::string, abaqus_nset_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_nset_nset:
                nset_name = params[param_key];
                params.erase( param_key );
                // std::cout << "\tAdding NSET with name: " << nset_name << std::endl; // REMOVE
                break;
            default:
                MB_SET_ERR( MB_FAILURE, "Missing required NSET parameter" );
        }
    }

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_nset_elset:
                make_from_elset = true;
                elset_name      = ( *thisParam ).second;
                break;
            case abq_nset_generate:
                generate_nset = true;
                break;
            case abq_nset_instance:
                instance_name = ( *thisParam ).second;
                status        = get_set_by_name( parent_set, ABQ_INSTANCE_SET, instance_name, node_container_set );
                MB_RETURN_IF_FAIL;
                break;
            case abq_nset_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous NSET parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported NSET parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    if( make_from_elset && generate_nset )
    {
        MB_SET_ERR( MB_FAILURE, "Incompatible NSET parameters ELSET & GENERATE" );
    }

    if( make_from_elset )
    {
        status = get_set_nodes( parent_set, ABQ_ELEMENT_SET, elset_name, node_range );
        MB_RETURN_IF_FAIL;
    }
    else
    {
        std::vector< int > node_list;
        Range tmp_node_range;

        next_line_type = get_next_line_type();

        while( next_line_type != abq_eof && next_line_type != abq_keyword_line )
        {
            if( abq_data_line == next_line_type )
            {
                tokenize( readline, tokens, ", \n" );
                if( generate_nset )
                {
                    if( tokens.size() != 3 )
                    {
                        MB_SET_ERR( MB_FAILURE, "Wrong number of entries on GENERATE node set data line" );
                    }
                    int n1   = atoi( tokens[0].c_str() );
                    int n2   = atoi( tokens[1].c_str() );
                    int incr = atoi( tokens[2].c_str() );
                    if( ( incr == 0 ) || ( ( ( n2 - n1 ) % incr ) != 0 ) )
                    {
                        MB_SET_ERR( MB_FAILURE, "Invalid data on GENERATE node set data line" );
                    }
                    for( int node_id = n1; node_id <= n2; node_id += incr )
                        node_list.push_back( node_id );
                }
                else
                {
                    for( unsigned int idx = 0; idx < tokens.size(); idx++ )
                    {
                        if( isalpha( tokens[idx][0] ) )
                        {
                            tmp_node_range.clear();
                            status = get_set_nodes( parent_set, ABQ_NODE_SET, tokens[idx], tmp_node_range );
                            MB_RETURN_IF_FAIL;

                            node_range.merge( tmp_node_range );
                        }
                        else
                            node_list.push_back( atoi( tokens[idx].c_str() ) );
                    }
                }
            }  // if (abq_data_line == next_line_type)

            next_line_type = get_next_line_type();
        }  // while (next_line_type != abq_eof && next_line_type != abq_keyword_line)

        tmp_node_range.clear();

        status = get_nodes_by_id( node_container_set, node_list, tmp_node_range );
        MB_RETURN_IF_FAIL;

        node_range.merge( tmp_node_range );
    }

    EntityHandle node_set;

    status = add_entity_set( parent_set, ABQ_NODE_SET, nset_name, node_set );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->add_entities( node_set, node_range );
    MB_RETURN_IF_FAIL;

    if( file_set )
    {
        status = mdbImpl->add_entities( file_set, &node_set, 1 );
        MB_RETURN_IF_FAIL;
    }

    if( assembly_set )
    {
        status = mdbImpl->add_entities( assembly_set, &node_set, 1 );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mAssemblyHandleTag, &node_set, 1, &assembly_set );
        MB_RETURN_IF_FAIL;
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_element_list( EntityHandle parent_set, EntityHandle assembly_set )
{
    ErrorCode status;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_element_params > requiredParams;
    requiredParams["TYPE"] = abq_element_type;

    std::map< std::string, abaqus_element_params > allowableParams;
    allowableParams[ABQ_AMBIGUOUS] = abq_element_ambiguous;
    allowableParams["ELSET"]       = abq_element_elset;

    abaqus_element_params param;

    std::map< std::string, abaqus_element_type > elementTypes;
    std::map< abaqus_element_type, unsigned int > nodes_per_element;
    std::map< abaqus_element_type, EntityType > entityTypeMap;
    elementTypes["DC3D8"]                = abq_eletype_dc3d8;
    nodes_per_element[abq_eletype_dc3d8] = 8;
    entityTypeMap[abq_eletype_dc3d8]     = MBHEX;

    elementTypes["DCC3D8"]                = abq_eletype_dcc3d8;
    nodes_per_element[abq_eletype_dcc3d8] = 8;
    entityTypeMap[abq_eletype_dcc3d8]     = MBHEX;

    elementTypes["C3D4"]                = abq_eletype_c3d4;
    nodes_per_element[abq_eletype_c3d4] = 4;
    entityTypeMap[abq_eletype_c3d4]     = MBTET;

    elementTypes["DC3D4"]                = abq_eletype_dc3d4;
    nodes_per_element[abq_eletype_dc3d4] = 4;
    entityTypeMap[abq_eletype_dc3d4]     = MBTET;

    elementTypes["C3D8R"]                = abq_eletype_c3d8r;
    nodes_per_element[abq_eletype_c3d8r] = 8;
    entityTypeMap[abq_eletype_c3d8r]     = MBHEX;

    elementTypes["DS4"]                = abq_eletype_ds4;
    nodes_per_element[abq_eletype_ds4] = 4;
    entityTypeMap[abq_eletype_ds4]     = MBQUAD;

    abaqus_element_type element_type = abq_eletype_dc3d8;

    bool make_element_set = false;
    std::string element_set_name;

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    // Search for required parameters
    for( std::map< std::string, abaqus_element_params >::iterator thisParam = requiredParams.begin();
         thisParam != requiredParams.end(); ++thisParam )
    {
        std::string param_key = match( ( *thisParam ).first, params );
        param                 = requiredParams[param_key];
        switch( param )
        {
            case abq_element_type:
                element_type = elementTypes[params[param_key]];
                if( abq_eletype_unsupported == element_type )
                {
                    MB_SET_ERR( MB_FAILURE, "MOAB doesn't currently support this element type" );
                }
                // std::cout << "\tAdding ELEMENTS of type: " << params[param_key] << std::endl; //
                // REMOVE
                params.erase( param_key );
                break;
            case abq_element_undefined:
                MB_SET_ERR( MB_FAILURE, "Missing required ELEMENT parameter" );
            default:
                break;
        }
    }

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_element_elset:
                make_element_set = true;
                element_set_name = ( *thisParam ).second;
                break;
            case abq_element_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous ELEMENT parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported ELEMENT parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    std::vector< int > connect_list, element_ids;

    next_line_type = get_next_line_type();

    while( next_line_type != abq_eof && next_line_type != abq_keyword_line )
    {
        if( abq_data_line == next_line_type )
        {
            tokenize( readline, tokens, ", \n" );
            if( tokens.size() < nodes_per_element[element_type] + 1 )
            {
                MB_SET_ERR( MB_FAILURE, "Not enough data on node data line" );
            }
            element_ids.push_back( atoi( tokens[0].c_str() ) );
            for( unsigned int i = 1; i < nodes_per_element[element_type] + 1; i++ )
                connect_list.push_back( atoi( tokens[i].c_str() ) );
        }

        next_line_type = get_next_line_type();
    }

    int num_elements = element_ids.size();

    // Get and fill element arrays
    EntityHandle start_element = 0;
    EntityHandle* connect;

    status = readMeshIface->get_element_connect( num_elements, nodes_per_element[element_type],
                                                 entityTypeMap[element_type], MB_START_ID, start_element, connect );
    MB_RETURN_IF_FAIL;
    if( 0 == start_element ) return MB_FAILURE;

    // ASSUME: elements must be defined after nodes!
    // Get list of node entity handles and node IDs
    Range node_list;
    status = mdbImpl->get_entities_by_dimension( parent_set, 0, node_list );
    MB_RETURN_IF_FAIL;

    std::vector< int > node_ids( node_list.size() );
    status = mdbImpl->tag_get_data( mLocalIDTag, node_list, &node_ids[0] );
    MB_RETURN_IF_FAIL;

    std::map< int, EntityHandle > nodeIdMap;
    for( unsigned int idx = 0; idx < node_list.size(); idx++ )
        nodeIdMap[node_ids[idx]] = node_list[idx];

    for( unsigned int node = 0; node < connect_list.size(); node++ )
        connect[node] = nodeIdMap[connect_list[node]];

    Range element_range( start_element, start_element + num_elements - 1 );

    // Add elements to file_set
    // status = mdbImpl->add_entities(file_set, element_range);
    // MB_RETURN_IF_FAIL;

    // Add elements to this parent_set
    status = mdbImpl->add_entities( parent_set, element_range );
    MB_RETURN_IF_FAIL;

    // Tag elements with their local ID's
    status = mdbImpl->tag_set_data( mLocalIDTag, element_range, &element_ids[0] );
    MB_RETURN_IF_FAIL;

    if( assembly_set )
    {
        status = mdbImpl->add_entities( assembly_set, element_range );
        MB_RETURN_IF_FAIL;

        std::vector< EntityHandle > tmp_assembly_handles;
        tmp_assembly_handles.assign( element_range.size(), assembly_set );
        status = mdbImpl->tag_set_data( mAssemblyHandleTag, element_range, &( tmp_assembly_handles[0] ) );
        MB_RETURN_IF_FAIL;
    }

    // These elements don't know their instance_set (probably not defined)

    if( make_element_set )
    {
        EntityHandle element_set;

        status = add_entity_set( parent_set, ABQ_ELEMENT_SET, element_set_name, element_set );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->add_entities( element_set, element_range );
        MB_RETURN_IF_FAIL;

        // This ad-hoc element set doesn't know its:
        // * part_set (probably parent_set)
        // * instance_set (probably not defined)
        // * assembly_set (probably not defined)
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::read_node_list( EntityHandle parent_set, EntityHandle assembly_set )
{
    ErrorCode status;

    std::vector< std::string > tokens;
    std::map< std::string, std::string > params;
    std::map< std::string, abaqus_node_params > allowableParams;

    allowableParams[ABQ_AMBIGUOUS] = abq_node_ambiguous;
    allowableParams["NSET"]        = abq_node_nset;
    allowableParams["SYSTEM"]      = abq_node_system;

    abaqus_node_params param;

    bool make_node_set = false;
    std::string node_set_name;

    char coord_system = 'R';

    // Tokenize last line read
    tokenize( readline, tokens, ",\n" );
    extract_keyword_parameters( tokens, params );

    // std::cout << "\tAdding NODES"  << std::endl; // REMOVE

    // Process parameters
    for( std::map< std::string, std::string >::iterator thisParam = params.begin(); thisParam != params.end();
         ++thisParam )
    {
        // Look for unambiguous match with this node parameter
        param = allowableParams[match( ( *thisParam ).first, allowableParams )];
        switch( param )
        {
            case abq_node_nset:
                make_node_set = true;
                node_set_name = ( *thisParam ).second;
                break;
            case abq_node_system:
                // Store coordinate system
                coord_system = ( *thisParam ).second[0];
                break;
            case abq_node_ambiguous:
                // std::cout << "\t\tIgnoring ambiguous NODE parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
            default:
                // std::cout << "\t\tIgnoring unsupported NODE parameter: " << (*thisParam).first
                //          << "=" << (*thisParam).second << std::endl;
                break;
        }
    }

    std::vector< double > coord_list;
    std::vector< int > node_ids;

    next_line_type = get_next_line_type();

    while( next_line_type != abq_eof && next_line_type != abq_keyword_line )
    {
        if( abq_data_line == next_line_type )
        {
            tokenize( readline, tokens, ", \n" );
            if( tokens.size() < 4 )
            {
                MB_SET_ERR( MB_FAILURE, "Not enough data on node data line" );
            }
            node_ids.push_back( atoi( tokens[0].c_str() ) );
            for( unsigned int i = 1; i < 4; i++ )
                coord_list.push_back( atof( tokens[i].c_str() ) );
        }

        next_line_type = get_next_line_type();
    }

    unsigned int num_nodes = node_ids.size();

    // Transform coordinate systems
    switch( coord_system )
    {
        case 'R':
            break;
        case 'C':
            cyl2rect( coord_list );
            break;
        case 'S':
            sph2rect( coord_list );
            break;
        default:
            // std::cout << "Treating undefined coordinate system: " << coord_system
            //          << " as rectangular/Cartesian." << std::endl;
            break;
    }

    // Get and fill coordinate arrays
    std::vector< double* > coord_arrays( 3 );
    EntityHandle start_node = 0;
    status                  = readMeshIface->get_node_coords( 3, num_nodes, MB_START_ID, start_node, coord_arrays );
    MB_RETURN_IF_FAIL;

    if( 0 == start_node ) return MB_FAILURE;

    // Cppcheck warning (false positive): variable coord_arrays is assigned a value that is never
    // used
    for( unsigned int idx = 0; idx < num_nodes; idx++ )
    {
        coord_arrays[0][idx] = coord_list[idx * 3];
        coord_arrays[1][idx] = coord_list[idx * 3 + 1];
        coord_arrays[2][idx] = coord_list[idx * 3 + 2];
    }

    Range node_range( start_node, start_node + num_nodes - 1 );
    // Add nodes to file_set
    // status = mdbImpl->add_entities(file_set, node_range);
    // MB_RETURN_IF_FAIL;

    // Add nodes to this parent_set
    status = mdbImpl->add_entities( parent_set, node_range );
    MB_RETURN_IF_FAIL;

    // Tag nodes with their local ID's
    status = mdbImpl->tag_set_data( mLocalIDTag, node_range, &node_ids[0] );
    MB_RETURN_IF_FAIL;

    if( assembly_set )
    {
        status = mdbImpl->add_entities( assembly_set, node_range );
        MB_RETURN_IF_FAIL;

        std::vector< EntityHandle > tmp_assembly_handles;
        tmp_assembly_handles.assign( node_range.size(), assembly_set );
        status = mdbImpl->tag_set_data( mAssemblyHandleTag, node_range, &( tmp_assembly_handles[0] ) );
        MB_RETURN_IF_FAIL;
    }

    // These nodes don't know their instance_set (probably not defined)

    if( make_node_set )
    {
        EntityHandle node_set;

        status = add_entity_set( parent_set, ABQ_NODE_SET, node_set_name, node_set );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->add_entities( node_set, node_range );
        MB_RETURN_IF_FAIL;

        // This ad-hoc node set doesn't know its:
        // * part_set (probably parent_set)
        // * instance_set (probably not defined)
        // * assembly_set (probably not defined)
    }

    return MB_SUCCESS;
}

// SET CREATION & ACCESS UTILITIES

ErrorCode ReadABAQUS::get_elements_by_id( EntityHandle parent_set,
                                          std::vector< int > element_ids_subset,
                                          Range& element_range )
{
    ErrorCode status;
    Range all_elements;

    status = get_set_elements( parent_set, all_elements );
    MB_RETURN_IF_FAIL;

    std::vector< int > element_ids( all_elements.size() );
    status = mdbImpl->tag_get_data( mLocalIDTag, all_elements, &element_ids[0] );
    MB_RETURN_IF_FAIL;

    std::map< int, EntityHandle > elementIdMap;
    for( unsigned int idx = 0; idx < all_elements.size(); idx++ )
        elementIdMap[element_ids[idx]] = all_elements[idx];

    for( std::vector< int >::iterator element = element_ids_subset.begin(); element != element_ids_subset.end();
         ++element )
        element_range.insert( elementIdMap[*element] );

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::get_nodes_by_id( EntityHandle parent_set, std::vector< int > node_ids_subset, Range& node_range )
{
    ErrorCode status;

    Range all_nodes;
    status = mdbImpl->get_entities_by_type( parent_set, MBVERTEX, all_nodes );
    MB_RETURN_IF_FAIL;

    std::vector< int > node_ids( all_nodes.size() );
    status = mdbImpl->tag_get_data( mLocalIDTag, all_nodes, &node_ids[0] );
    MB_RETURN_IF_FAIL;

    std::map< int, EntityHandle > nodeIdMap;
    for( unsigned int idx = 0; idx < all_nodes.size(); idx++ )
        nodeIdMap[node_ids[idx]] = all_nodes[idx];

    for( std::vector< int >::iterator node = node_ids_subset.begin(); node != node_ids_subset.end(); ++node )
        node_range.insert( nodeIdMap[*node] );

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::get_set_by_name( EntityHandle parent_set,
                                       int ABQ_set_type,
                                       const std::string& set_name,
                                       EntityHandle& set_handle )
{
    ErrorCode status;

    char this_set_name[ABAQUS_SET_NAME_LENGTH];

    set_handle = 0;

    Range sets;
    void* tag_data[] = { &ABQ_set_type };
    status = mdbImpl->get_entities_by_type_and_tag( parent_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, sets );MB_CHK_SET_ERR( status, "Did not find any sets of that type" );

    for( Range::iterator this_set = sets.begin(); this_set != sets.end() && 0 == set_handle; ++this_set )
    {
        std::fill( this_set_name, this_set_name + ABAQUS_SET_NAME_LENGTH, '\0' );
        status = mdbImpl->tag_get_data( mSetNameTag, &( *this_set ), 1, &this_set_name[0] );
        if( MB_SUCCESS != status && MB_TAG_NOT_FOUND != status ) return status;

        if( set_name == std::string( this_set_name ) ) set_handle = *this_set;
    }

    if( 0 == set_handle )
    {
        MB_SET_ERR( MB_FAILURE, "Did not find requested set" );
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::get_set_elements( EntityHandle set_handle, Range& element_range )
{
    ErrorCode status;

    Range dim_ent_list;

    // Could have elements of multiple dimensions in this set???
    for( int dim = 1; dim <= 3; dim++ )
    {
        dim_ent_list.clear();
        status = mdbImpl->get_entities_by_dimension( set_handle, dim, dim_ent_list );
        MB_RETURN_IF_FAIL;

        element_range.merge( dim_ent_list );
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::get_set_elements_by_name( EntityHandle parent_set,
                                                int ABQ_set_type,
                                                const std::string& set_name,
                                                Range& element_range )
{
    ErrorCode status;

    EntityHandle set_handle;
    status = get_set_by_name( parent_set, ABQ_set_type, set_name, set_handle );
    MB_RETURN_IF_FAIL;

    status = get_set_elements( set_handle, element_range );
    MB_RETURN_IF_FAIL;

    if( element_range.size() == 0 )
    {
        // std::cout << "No elements were found in set " << set_name << std::endl;
    }

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::get_set_nodes( EntityHandle parent_set,
                                     int ABQ_set_type,
                                     const std::string& set_name,
                                     Range& node_range )
{
    ErrorCode status;

    EntityHandle set_handle;
    status = get_set_by_name( parent_set, ABQ_set_type, set_name, set_handle );
    MB_RETURN_IF_FAIL;

    Range ent_list;
    Range dim_ent_list;
    // Could have elements of multiple dimensions in this set???
    for( int dim = 0; dim <= 3; dim++ )
    {
        dim_ent_list.clear();
        status = mdbImpl->get_entities_by_dimension( set_handle, dim, dim_ent_list );
        MB_RETURN_IF_FAIL;

        ent_list.merge( dim_ent_list );
    }

    status = mdbImpl->get_adjacencies( ent_list, 0, false, node_range );
    MB_RETURN_IF_FAIL;

    if( node_range.size() == 0 )
    {
        std::cout << "No nodes were found in set " << set_name << std::endl;
    }

    return MB_SUCCESS;
}

Tag ReadABAQUS::get_tag( const char* tag_name,
                         int tag_size,
                         TagType tag_type,
                         DataType tag_data_type,
                         const void* def_val )
{
    Tag retval;

    ErrorCode rval =
        mdbImpl->tag_get_handle( tag_name, tag_size, tag_data_type, retval, tag_type | MB_TAG_CREAT, def_val );
    assert( MB_SUCCESS == rval );
    return MB_SUCCESS == rval ? retval : 0;
}

ErrorCode ReadABAQUS::create_instance_of_part( const EntityHandle file_set,
                                               const EntityHandle assembly_set,
                                               const std::string& part_name,
                                               const std::string& /*instance_name*/,
                                               EntityHandle& instance_set,
                                               const std::vector< double >& translation,
                                               const std::vector< double >& rotation )
{
    ErrorCode status;

    EntityHandle part_set;
    status = get_set_by_name( file_set, ABQ_PART_SET, part_name, part_set );
    MB_RETURN_IF_FAIL;

    // Cross-reference
    status = mdbImpl->tag_set_data( mPartHandleTag, &instance_set, 1, &part_set );
    MB_RETURN_IF_FAIL;

    int instance_id = ++num_part_instances[part_set];
    status          = mdbImpl->tag_set_data( mInstancePIDTag, &instance_set, 1, &instance_id );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->tag_set_data( mAssemblyHandleTag, &instance_set, 1, &assembly_set );
    MB_RETURN_IF_FAIL;

    instance_id = ++num_assembly_instances[assembly_set];
    status      = mdbImpl->tag_set_data( mInstanceGIDTag, &instance_set, 1, &instance_id );
    MB_RETURN_IF_FAIL;

    // Create maps to cross-reference the part and instance versions of each entity
    std::map< EntityHandle, EntityHandle > p2i_nodes, p2i_elements;

    // ---- NODES ----

    // Get all nodes and IDs
    Range part_node_list;
    status = mdbImpl->get_entities_by_dimension( part_set, 0, part_node_list );
    MB_RETURN_IF_FAIL;

    if( 0 < part_node_list.size() )
    {
        std::vector< int > node_ids( part_node_list.size() );
        status = mdbImpl->tag_get_data( mLocalIDTag, part_node_list, &node_ids[0] );
        MB_RETURN_IF_FAIL;

        // std::map<int, EntityHandle> nodeIdMap;
        // for (unsigned int idx = 0; idx < part_node_list.size(); idx++)
        // nodeIdMap[node_ids[idx]] = part_node_list[idx];

        // Create new nodes
        std::vector< double* > coord_arrays( 3 );
        EntityHandle start_node = 0;
        status = readMeshIface->get_node_coords( 3, part_node_list.size(), MB_START_ID, start_node, coord_arrays );
        MB_RETURN_IF_FAIL;

        if( 0 == start_node ) return MB_FAILURE;

        // Copy coordinates into new coord_arrays
        status = mdbImpl->get_coords( part_node_list, coord_arrays[0], coord_arrays[1], coord_arrays[2] );

        // Rotate to new position
        double rot_axis[3];
        rot_axis[0] = rotation[3] - rotation[0];
        rot_axis[1] = rotation[4] - rotation[1];
        rot_axis[2] = rotation[5] - rotation[2];

        AffineXform rotationXform;
        if( rotation[6] != 0 ) rotationXform = AffineXform::rotation( rotation[6] * DEG2RAD, rot_axis );

        // Translate to new position
        for( unsigned int idx = 0; idx < part_node_list.size(); idx++ )
        {
            double coords[3];

            // Transform to new location and then shift origin of rotation
            for( unsigned int dim = 0; dim < 3; dim++ )
                coords[dim] = coord_arrays[dim][idx] + translation[dim] - rotation[dim];

            // Rotate around this origin
            if( rotation[6] != 0 ) rotationXform.xform_vector( coords );

            // Transform origin of rotation back
            for( unsigned int dim = 0; dim < 3; dim++ )
                coord_arrays[dim][idx] = coords[dim] + rotation[dim];
        }

        Range instance_node_list( start_node, start_node + part_node_list.size() - 1 );

        // (DO NOT) add nodes to file_set
        // status = mdbImpl->add_entities(file_set, instance_node_list);
        // MB_RETURN_IF_FAIL;

        // Add nodes to this instance_set
        status = mdbImpl->add_entities( instance_set, instance_node_list );
        MB_RETURN_IF_FAIL;

        // Add nodes to this assembly_set
        status = mdbImpl->add_entities( assembly_set, instance_node_list );
        MB_RETURN_IF_FAIL;

        // Tag nodes with their local ID's
        status = mdbImpl->tag_set_data( mLocalIDTag, instance_node_list, &node_ids[0] );
        MB_RETURN_IF_FAIL;

        // Create a map of old handles to new handles!!!
        for( unsigned int idx = 0; idx < part_node_list.size(); idx++ )
            p2i_nodes[part_node_list[idx]] = instance_node_list[idx];
    }

    //  ---- ELEMENTS ----

    Range part_element_list;
    status = get_set_elements( part_set, part_element_list );
    MB_RETURN_IF_FAIL;

    if( 0 < part_element_list.size() )
    {
        std::vector< int > part_element_ids( part_element_list.size() );
        status = mdbImpl->tag_get_data( mLocalIDTag, part_element_list, &part_element_ids[0] );
        MB_RETURN_IF_FAIL;

        // std::map<int, EntityHandle> elementIdMap;
        // for (unsigned int idx = 0; idx < part_element_list.size(); idx++)
        // elementIdMap[part_element_ids[idx]] = part_element_list[idx];

        // Create new elements
        Range instance_element_list;
        instance_element_list.clear();

        // Cross-referencing storage and pointers/iterators
        std::vector< int > instance_element_ids;
        std::vector< int >::iterator part_element_id = part_element_ids.begin();

        for( Range::iterator part_element = part_element_list.begin(); part_element != part_element_list.end();
             ++part_element, ++part_element_id )
        {
            EntityType element_type = mdbImpl->type_from_handle( *part_element );
            std::vector< EntityHandle > part_connectivity, instance_connectivity;
            EntityHandle new_element;
            status = mdbImpl->get_connectivity( &( *part_element ), 1, part_connectivity );
            MB_RETURN_IF_FAIL;

            instance_connectivity.clear();
            for( std::vector< EntityHandle >::iterator connectivity_node = part_connectivity.begin();
                 connectivity_node != part_connectivity.end(); ++connectivity_node )
                instance_connectivity.push_back( p2i_nodes[*connectivity_node] );

            status = mdbImpl->create_element( element_type, &instance_connectivity[0], instance_connectivity.size(),
                                              new_element );
            MB_RETURN_IF_FAIL;

            instance_element_list.insert( new_element );
            p2i_elements[*part_element] = new_element;
            instance_element_ids.push_back( *part_element_id );
        }

        // (DO NOT) add elements to file_set
        // status = mdbImpl->add_entities(file_set, instance_element_list);
        // MB_RETURN_IF_FAIL;

        // Add elements to this instance_set
        status = mdbImpl->add_entities( instance_set, instance_element_list );
        MB_RETURN_IF_FAIL;

        // Add elements to this assembly_set
        status = mdbImpl->add_entities( assembly_set, instance_element_list );
        MB_RETURN_IF_FAIL;

        // Tag elements with their local ID's
        status = mdbImpl->tag_set_data( mLocalIDTag, instance_element_list, &( instance_element_ids[0] ) );
        MB_RETURN_IF_FAIL;
    }

    // ----- NODE SETS -----

    // Get all node sets in part
    Range part_node_sets;
    int tag_val      = ABQ_NODE_SET;
    void* tag_data[] = { &tag_val };
    status = mdbImpl->get_entities_by_type_and_tag( part_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, part_node_sets );
    MB_RETURN_IF_FAIL;

    Range part_node_set_list, instance_node_set_list;
    for( Range::iterator part_node_set = part_node_sets.begin(); part_node_set != part_node_sets.end();
         ++part_node_set )
    {
        char node_set_name[ABAQUS_SET_NAME_LENGTH];
        std::fill( node_set_name, node_set_name + ABAQUS_SET_NAME_LENGTH, '\0' );
        status = mdbImpl->tag_get_data( mSetNameTag, &( *part_node_set ), 1, &node_set_name[0] );
        if( MB_SUCCESS != status && MB_TAG_NOT_FOUND != status ) return status;

        part_node_set_list.clear();
        status = mdbImpl->get_entities_by_dimension( *part_node_set, 0, part_node_set_list );

        instance_node_set_list.clear();
        for( Range::iterator set_node = part_node_set_list.begin(); set_node != part_node_set_list.end(); ++set_node )
            instance_node_set_list.insert( p2i_nodes[*set_node] );

        EntityHandle instance_node_set;

        status = add_entity_set( instance_set, ABQ_NODE_SET, node_set_name, instance_node_set );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->add_entities( instance_node_set, instance_node_set_list );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->add_entities( assembly_set, &instance_node_set, 1 );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mPartHandleTag, &instance_node_set, 1, &part_set );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mAssemblyHandleTag, &instance_node_set, 1, &assembly_set );
        MB_RETURN_IF_FAIL;
    }

    // ----- ELEMENT SETS -----

    // Get all element sets in part
    Range part_element_sets;
    tag_val     = ABQ_ELEMENT_SET;
    tag_data[0] = &tag_val;
    status =
        mdbImpl->get_entities_by_type_and_tag( part_set, MBENTITYSET, &mSetTypeTag, tag_data, 1, part_element_sets );
    MB_RETURN_IF_FAIL;

    Range part_element_set_list, instance_element_set_list;
    for( Range::iterator part_element_set = part_element_sets.begin(); part_element_set != part_element_sets.end();
         ++part_element_set )
    {
        char element_set_name[ABAQUS_SET_NAME_LENGTH];
        std::fill( element_set_name, element_set_name + ABAQUS_SET_NAME_LENGTH, '\0' );
        status = mdbImpl->tag_get_data( mSetNameTag, &( *part_element_set ), 1, &element_set_name[0] );
        if( MB_SUCCESS != status && MB_TAG_NOT_FOUND != status ) return status;

        part_element_set_list.clear();
        status = get_set_elements( *part_element_set, part_element_set_list );

        instance_element_set_list.clear();
        for( Range::iterator set_element = part_element_set_list.begin(); set_element != part_element_set_list.end();
             ++set_element )
            instance_element_set_list.insert( p2i_elements[*set_element] );

        EntityHandle instance_element_set;
        status = add_entity_set( instance_set, ABQ_ELEMENT_SET, element_set_name, instance_element_set );
        MB_RETURN_IF_FAIL;

        // std::cerr << instance_set << "\t" << instance_element_set << std::endl;
        status = mdbImpl->add_entities( instance_element_set, instance_element_set_list );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->add_entities( assembly_set, &instance_element_set, 1 );
        MB_RETURN_IF_FAIL;

        // status = mdbImpl->add_entities(file_set, &instance_element_set, 1);
        // MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mPartHandleTag, &instance_element_set, 1, &part_set );
        MB_RETURN_IF_FAIL;

        status = mdbImpl->tag_set_data( mAssemblyHandleTag, &instance_element_set, 1, &assembly_set );
        MB_RETURN_IF_FAIL;

        char element_set_matname[ABAQUS_SET_NAME_LENGTH];
        std::fill( element_set_matname, element_set_matname + ABAQUS_SET_NAME_LENGTH, '\0' );
        status = mdbImpl->tag_get_data( mMatNameTag, &( *part_element_set ), 1, &element_set_matname[0] );
        if( MB_SUCCESS != status && MB_TAG_NOT_FOUND != status ) return status;

        if( MB_TAG_NOT_FOUND != status )
        {
            status = mdbImpl->tag_set_data( mMatNameTag, &instance_element_set, 1, element_set_matname );
            MB_RETURN_IF_FAIL;
        }

        int element_set_mat_id;
        status = mdbImpl->tag_get_data( mMaterialSetTag, &( *part_element_set ), 1, &element_set_mat_id );
        if( MB_SUCCESS != status && MB_TAG_NOT_FOUND != status ) return status;

        if( MB_TAG_NOT_FOUND != status )
        {
            status = mdbImpl->tag_set_data( mMaterialSetTag, &instance_element_set, 1, &element_set_mat_id );
            MB_RETURN_IF_FAIL;
        }
    }

    // Tag everything with their instance handle
    // some nodes are assigned outside of this routine so query final list of all
    // instance nodes, elements, etc
    Range instance_entity_list;
    status = mdbImpl->get_entities_by_dimension( instance_set, 0, instance_entity_list );
    MB_RETURN_IF_FAIL;

    std::vector< EntityHandle > tmp_instance_handles;
    tmp_instance_handles.assign( instance_entity_list.size(), instance_set );
    status = mdbImpl->tag_set_data( mInstanceHandleTag, instance_entity_list, &tmp_instance_handles[0] );
    MB_RETURN_IF_FAIL;

    instance_entity_list.clear();
    status = get_set_elements( instance_set, instance_entity_list );
    MB_RETURN_IF_FAIL;

    tmp_instance_handles.clear();
    tmp_instance_handles.assign( instance_entity_list.size(), instance_set );
    status = mdbImpl->tag_set_data( mInstanceHandleTag, instance_entity_list, &tmp_instance_handles[0] );
    MB_RETURN_IF_FAIL;

    // Get all node sets in instance
    instance_entity_list.clear();
    tag_val     = ABQ_NODE_SET;
    tag_data[0] = &tag_val;
    status      = mdbImpl->get_entities_by_type_and_tag( instance_set, MBENTITYSET, &mSetTypeTag, tag_data, 1,
                                                         instance_entity_list );
    MB_RETURN_IF_FAIL;

    tmp_instance_handles.clear();
    tmp_instance_handles.assign( instance_entity_list.size(), instance_set );
    status = mdbImpl->tag_set_data( mInstanceHandleTag, instance_entity_list, &tmp_instance_handles[0] );
    MB_RETURN_IF_FAIL;

    // Get all element sets in part
    instance_entity_list.clear();
    tag_val     = ABQ_ELEMENT_SET;
    tag_data[0] = &tag_val;
    status      = mdbImpl->get_entities_by_type_and_tag( instance_set, MBENTITYSET, &mSetTypeTag, tag_data, 1,
                                                         instance_entity_list );
    MB_RETURN_IF_FAIL;

    tmp_instance_handles.clear();
    tmp_instance_handles.assign( instance_entity_list.size(), instance_set );
    status = mdbImpl->tag_set_data( mInstanceHandleTag, instance_entity_list, &tmp_instance_handles[0] );
    MB_RETURN_IF_FAIL;

    return MB_SUCCESS;
}

ErrorCode ReadABAQUS::add_entity_set( EntityHandle parent_set,
                                      int ABQ_Set_Type,
                                      const std::string& set_name,
                                      EntityHandle& entity_set )
{
    ErrorCode status;

    status = mdbImpl->create_meshset( MESHSET_SET, entity_set );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->tag_set_data( mSetTypeTag, &entity_set, 1, &ABQ_Set_Type );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->tag_set_data( mSetNameTag, &entity_set, 1, set_name.c_str() );
    MB_RETURN_IF_FAIL;

    status = mdbImpl->add_entities( parent_set, &entity_set, 1 );
    MB_RETURN_IF_FAIL;

    return MB_SUCCESS;
}

void ReadABAQUS::cyl2rect( std::vector< double > coord_list )
{
    int num_nodes = coord_list.size() / 3;
    double x, y, r, t;

    for( int node = 0; node < num_nodes; node++ )
    {
        r = coord_list[3 * node];
        t = coord_list[3 * node + 1] * DEG2RAD;

        x = r * cos( t );
        y = r * sin( t );

        coord_list[3 * node]     = x;
        coord_list[3 * node + 1] = y;
    }
}

void ReadABAQUS::sph2rect( std::vector< double > coord_list )
{
    int num_nodes = coord_list.size() / 3;
    double x, y, z, r, t, p;

    for( int node = 0; node < num_nodes; node++ )
    {
        r = coord_list[3 * node];
        t = coord_list[3 * node + 1] * DEG2RAD;
        p = coord_list[3 * node + 2] * DEG2RAD;

        x = r * cos( p ) * cos( t );
        y = r * cos( p ) * sin( t );
        z = r * sin( p );

        coord_list[3 * node]     = x;
        coord_list[3 * node + 1] = y;
        coord_list[3 * node + 2] = z;
    }
}

// PARSING RECOGNITION

abaqus_line_types ReadABAQUS::get_next_line_type()
{
    readline.clear();
    std::getline( abFile, readline );
    ++lineNo;

    if( abFile.eof() ) return abq_eof;

    std::string::size_type pos = readline.find_first_not_of( ' ' );

    if( std::string::npos == pos ) return abq_blank_line;

    if( '*' == readline[pos] )
        if( '*' == readline[pos + 1] )
            return abq_comment_line;
        else
            return abq_keyword_line;
    else
        return abq_data_line;
}

abaqus_keyword_type ReadABAQUS::get_keyword()
{
    std::vector< std::string > tokens;
    std::map< std::string, abaqus_keyword_type > keywords;

    // Set up list of supported keywords
    // Note: any attempt to match something not in the keyword list
    //       using the [] operator will create a new entry in the map
    //       but that entry will have value abq_undefined based on the
    //       definition of the abaqus_keyword_type enum.
    keywords[ABQ_AMBIGUOUS]   = abq_ambiguous;
    keywords["HEADING"]       = abq_heading;
    keywords["PART"]          = abq_part;
    keywords["END PART"]      = abq_end_part;
    keywords["ASSEMBLY"]      = abq_assembly;
    keywords["END ASSEMBLY"]  = abq_end_assembly;
    keywords["NODE"]          = abq_node;
    keywords["ELEMENT"]       = abq_element;
    keywords["NSET"]          = abq_nset;
    keywords["ELSET"]         = abq_elset;
    keywords["SOLID SECTION"] = abq_solid_section;
    keywords["INSTANCE"]      = abq_instance;
    keywords["END INSTANCE"]  = abq_end_instance;

    tokenize( readline, tokens, "*,\n" );

    // Convert to upper case and test for unambiguous match/partial match
    stringToUpper( tokens[0], tokens[0] );
    return keywords[match( tokens[0], keywords )];
}

// PARSING UTILITY FUNCTIONS

// For a map of strings to values of type T
// search the key list of the map for an unambiguous partial match with the token
template < typename T >
std::string ReadABAQUS::match( const std::string& token, std::map< std::string, T >& tokenList )
{
    // Initialize with no match and ABQ_UNDEFINED as return string
    bool found_match       = false;
    std::string best_match = ABQ_UNDEFINED;

    // Search the map
    for( typename std::map< std::string, T >::iterator thisToken = tokenList.begin(); thisToken != tokenList.end();
         ++thisToken )
    {
        // If a perfect match break the loop (assume keyword list is unambiguous)
        if( token == ( *thisToken ).first )
        {
            best_match = token;
            break;
        }
        else
        {
            int short_length =
                ( token.length() < ( *thisToken ).first.length() ? token.length() : ( *thisToken ).first.length() );
            // If the token matches the first token.length() characters of the keyword
            // consider this a match
            if( token.substr( short_length ) == ( *thisToken ).first.substr( short_length ) )
            {
                if( !found_match )
                {
                    // If no match already, record match and matching keyword
                    found_match = true;
                    best_match  = ( *thisToken ).first;
                }
                else
                    // If match already set matching keyword to ABQ_AMBIGUOUS
                    best_match = ABQ_AMBIGUOUS;
            }
        }
    }

    // Possible return values: ABQ_UNDEFINED, keyword from list, ABQ_AMBIGUOUS
    return best_match;
}

// Convert a string to upper case
void ReadABAQUS::stringToUpper( const std::string& toBeConverted, std::string& converted )
{
    converted = toBeConverted;

    for( unsigned int i = 0; i < toBeConverted.length(); i++ )
        converted[i] = toupper( toBeConverted[i] );
}

// Extract key/value pairs from parameter list
void ReadABAQUS::extract_keyword_parameters( const std::vector< std::string >& tokens,
                                             std::map< std::string, std::string >& params )
{
    std::string key, value;

    // NOTE: skip first token - it is the keyword
    for( std::vector< std::string >::const_iterator token = tokens.begin() + 1; token != tokens.end(); ++token )
    {
        std::string::size_type pos = token->find( '=' );
        stringToUpper( token->substr( 0, pos ), key );
        if( std::string::npos != pos )
            value = token->substr( pos + 1 );
        else
            value = "";
        pos         = key.find_first_not_of( ' ', 0 );
        key         = key.substr( pos );
        params[key] = value;
    }
}

// Tokenize a string based on a set of possible delimiters
void ReadABAQUS::tokenize( const std::string& str, std::vector< std::string >& tokens, const char* delimiters )
{
    tokens.clear();

    std::string::size_type pos, last = str.find_first_not_of( delimiters, 0 );

    while( std::string::npos != last )
    {
        pos = str.find_first_of( delimiters, last );
        if( std::string::npos == pos )
        {
            tokens.push_back( str.substr( last ) );
            last = std::string::npos;
        }
        else
        {
            tokens.push_back( str.substr( last, pos - last ) );
            last = str.find_first_not_of( delimiters, pos );
        }
    }
}

}  // namespace moab