cmdline.h

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#ifndef __CMDLINE_H
#define __CMDLINE_H

#include <Uefi.h>

#define RV_HELP 0x10000000

typedef enum
{
  ARG_BOOL=1, 
  ARG_INT,    
  ARG_DOUBLE, 
  ARG_STRING, 
} argument_type;

typedef union {
  double dbl;    
  UINT64 uint64; 
  CHAR16 *wcstr; 
} cmdline_value_t;

typedef BOOLEAN validate_argument_f(cmdline_value_t);

typedef struct {
  cmdline_value_t value;                
  argument_type type;                   
  validate_argument_f *validator_func;  
  CHAR16 *name;                         
  CHAR16 *helptext;                     
} cmdline_argument_t;

typedef struct {
  CHAR16 *name;              
  UINTN count;               
  cmdline_argument_t *list;  
} cmdline_argument_group_t;

#define ARG_GROUP(VARIABLE,LIST,DESCRIPTION) cmdline_argument_group_t VARIABLE={DESCRIPTION,sizeof(LIST)/sizeof(cmdline_argument_t),LIST};


BOOLEAN wctype_int(CHAR16 *string);
BOOLEAN wctype_float(CHAR16 *string);
double _wcstof(CHAR16 *str);

#define DOUBLE_RANGE_VALIDATOR(FUNC,FIELD,MIN,MAX) static BOOLEAN FUNC(cmdline_value_t v) { return validate_double_range(v,FIELD,MIN,MAX); }

BOOLEAN validate_double_range(cmdline_value_t v, CHAR16 *field, double min, double max);

#define INT_RANGE_VALIDATOR(FUNC,FIELD,MIN,MAX) static BOOLEAN FUNC(cmdline_value_t v) { return validate_uint64_range(v,FIELD,MIN,MAX); }

BOOLEAN validate_uint64_range(cmdline_value_t v, CHAR16 *field, UINT64 min, UINT64 max);

EFI_STATUS parse_parameters(INTN argc, CHAR16 **argv, UINTN group_count, VA_LIST groups);
void print_help_text(UINTN group_count, VA_LIST groups);

CHAR16 **argv_from_ascii(int argc, char **argv_ascii);
void free_argv();

#endif