init.hpp

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#pragma once
 
/**
 * InputParser — abstract interface for input file parsers.
 *
 * Defines the contract for parsing different input formats (YAML, QE)
 * into a common InputData struct. Concrete implementations:
 *   yaml.hpp  — YAMLInputParser
 *   qe.hpp   — QEInputParser
 *
 * Use create_input_parser() from factory.hpp to obtain the right parser.
 */
 
#include <string>
 
#include "io/input/data.hpp"
 
namespace q3 {
 
class InputParser {
  public:
    virtual ~InputParser() = default;
 
    /**
     * Parse the given input file and return the populated InputData.
     */
    virtual InputData parse(const std::string& filename) const = 0;
};
 
} // namespace q3