reader_instances.cc

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/*!
 *
 * Copyright (C) 2015 Technical University of Liberec.  All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation. (http://www.gnu.org/licenses/gpl-3.0.en.html)
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 *
 * 
 * @file    reader_instances.cc
 * @brief   
 */

#include "mesh/reader_instances.hh"
#include "input/accessors.hh"


ReaderInstance * ReaderInstance::instance() {
    static ReaderInstance *instance = new ReaderInstance;
    return instance;
}

std::shared_ptr<GmshMeshReader> ReaderInstance::get_reader(const FilePath &file_path) {
    return ReaderInstance::get_instance(file_path).reader_;
}

std::shared_ptr<Mesh> ReaderInstance::get_mesh(const FilePath &file_path) {
    return ReaderInstance::get_instance(file_path).mesh_;
}

ReaderInstance::ReaderData ReaderInstance::get_instance(const FilePath &file_path) {
    ReaderTable::iterator it = ReaderInstance::instance()->reader_table_.find( string(file_path) );
    if (it == ReaderInstance::instance()->reader_table_.end()) {
        ReaderData reader_data;
        reader_data.reader_ = std::make_shared<GmshMeshReader>(file_path);
        reader_data.mesh_ = std::make_shared<Mesh>( Input::Record() );
        reader_data.reader_->read_mesh( reader_data.mesh_.get() );
        ReaderInstance::instance()->reader_table_.insert( std::pair<string, ReaderData>(string(file_path), reader_data) );
        return reader_data;
    } else {
        return (*it).second;
    }
}


ReaderInstances * ReaderInstances::instance() {
    static ReaderInstances *instance = new ReaderInstances;
    return instance;
}

std::shared_ptr<GmshMeshReader> ReaderInstances::get_reader(const FilePath &file_path) {
    ReaderTable::iterator it = reader_table_.find( string(file_path) );
    if (it == reader_table_.end()) {
        std::shared_ptr<GmshMeshReader> reader_ptr = std::make_shared<GmshMeshReader>(file_path);
        reader_table_.insert( std::pair<string, std::shared_ptr<GmshMeshReader>>(string(file_path), reader_ptr) );
        return reader_ptr;
    } else {
        return (*it).second;
    }
}