reflector.h

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#ifndef ENIGMA_REFLECTOR_H
#define ENIGMA_REFLECTOR_H
 
#include "common.h"
 
#define ENIGMA_REFLECTOR_COUNT 3
 
typedef struct {
    const char* name; 
    int indices[ENIGMA_ALPHA_SIZE]; 
} EnigmaReflector;
 
static const EnigmaReflector enigma_UKW_A = {
    .name = "A",
    .indices
    = { 4, 9, 12, 25, 0, 1, 11, 23, 14, 19, 18, 17, 16, 15, 13, 10, 3, 2, 5, 6, 7, 8, 20, 21, 22 },
};
 
static const EnigmaReflector enigma_UKW_B = {
    .name    = "B",
    .indices = { 24, 17, 20, 7, 16, 18, 11, 3, 15, 23, 13, 6, 14,
                 10, 12, 8,  4, 1,  5,  25, 2, 22, 21, 9,  0, 19 },
};
 
static const EnigmaReflector enigma_UKW_C = {
    .name    = "C",
    .indices = { 5,  21, 15, 9,  8,  0,  14, 24, 4, 3,  17, 25, 23,
                 22, 6,  2,  19, 10, 20, 16, 18, 1, 13, 12, 7,  11 },
};
 
static const EnigmaReflector* enigma_reflectors[] = {
    &enigma_UKW_A,
    &enigma_UKW_B,
    &enigma_UKW_C,
};
 
int enigma_reflector_generate_indices(EnigmaReflector*, const char*);
 
/* --- EnigmaReflector getters and setters --- */
const char* enigma_reflector_get_name(const EnigmaReflector*);
const int*  enigma_reflector_get_indices(const EnigmaReflector*);
int         enigma_reflector_set_name(EnigmaReflector*, const char*);
int         enigma_reflector_set_indices(EnigmaReflector*, const int*);
 
#endif