#include <ctype.h>
#include <gargoyle/codex.h>
#include <gargoyle/sleuth.h>
#include <gargoyle/twine.h>
#include <stddef.h>

struct gargoyle_opt *gargoyle_find_brand(uint16_t optc, struct gargoyle_opt *optv, const char *brand, const char *neg, uint16_t neg_sz, gargoyle_flag_type flags) {
  if(!neg) {
    neg = "no-";
    neg_sz = 3;
  }

  for(; optc; optc -= 1, optv += 1) {
    const char *idx = brand;

    if(optv->type & GARGOYLE_TYPE_BOOL && gargoyle_cmp(idx, neg, neg_sz, flags)) {
      idx += neg_sz;
    }

    uint8_t end = !*(idx + optv->brand_sz);
    uint8_t eql = *(idx + optv->brand_sz) == '=';

    if(gargoyle_cmp(idx, optv->brand, optv->brand_sz, flags) && (end || eql)) {
      return optv;
    }
  }

  return NULL;
}

struct gargoyle_opt *gargoyle_find_emblem(uint16_t optc, struct gargoyle_opt *optv, const char emblem, gargoyle_flag_type flags) {
  for(; optc; optc -= 1, optv += 1) {
    if(emblem == optv->emblem) {
      return optv;
    } else if(flags & GARGOYLE_FLG_ECASE && gargoyle_is_eql(emblem, optv->emblem)) {
      return optv;
    }
  }

  return NULL;
}