AMReX_ParticleHeader.H

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/* Copyright 2026 The AMReX Community
 *
 * License: BSD-3-Clause-LBNL
 */
#ifndef AMREX_PARTICLEHEADER_H_
#define AMREX_PARTICLEHEADER_H_
#include <AMReX_Config.H>
 
#include <AMReX_INT.H>
#include <AMReX_Vector.H>
 
#include <iosfwd>
#include <string>
 
namespace amrex {
 
struct ParticleHeader
{
    std::string version;
    std::string how;
    bool convert_ids = false;
    int dim = 0;
    int num_real = 0;
    Vector<std::string> real_comp_names;
    int num_int = 0;
    Vector<std::string> int_comp_names;
    bool is_checkpoint = false;
    Long num_particles = 0;
    Long next_id = 0;
    int finest_level = 0;
 
    struct GridEntry
    {
        int which = 0;
        int count = 0;
        Long where = 0;
    };
 
    Vector<Vector<GridEntry>> grids;
 
    void parse (std::istream& is);
 
    void parse_grid_table (std::istream& is);
 
    static ParticleHeader read (const std::string& dir, const std::string& file);
};
 
}
 
#endif