options.c

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/* SPDX-License-Identifier: MIT */
#include "zpmod.mdh"
#include "zpmod.pro"
#include "zpmod_compat.h"
#include <stddef.h>
 
static int zp_opt_for_zsh_version[64] = {0};
 
struct zp_option_name {
  const char *name;
  int enum_val;
};
 
/*
 * Mapping from zpmod-stable option enums to zsh option names.
 * Keep this list terminated with a NULL name sentinel.
 */
static struct zp_option_name zp_options[] = {
    /* Only map the options we actually use from C code. */
    {"function_argzero", FUNCTIONARGZERO__},
    {"path_dirs", PATHDIRS__},
    {"posix_builtins", POSIXBUILTINS__},
    {"shin_stdin", SHINSTDIN__},
    {"source_trace", SOURCETRACE__},
    /* Sentinel terminator (required) */
    {NULL, 0}};
 
void zp_setup_options_table(void) {
  for (int i = 0; zp_options[i].name != NULL; ++i) {
    int e = zp_options[i].enum_val;
    if (e < 0 || e >= (int)(sizeof(zp_opt_for_zsh_version) /
                            sizeof(zp_opt_for_zsh_version[0]))) {
      continue;
    }
    int optno = optlookup(zp_options[i].name);
    if (optno >= 0) {
      zp_opt_for_zsh_version[e] = optno;
    }
  }
}
 
int zp_conv_opt(int zp_opt_num) {
  if (zp_opt_num < 0 || zp_opt_num >= ZP_OPT_COUNT__) {
    return 0;
  }
  return zp_opt_for_zsh_version[zp_opt_num];
}