lolibooru_can_handle() {
  local url="${1}"
  echo "${url}" | grep -qi 'lolibooru.moe/post/show/[0-9]*' || return 1
  taggery_id_filter=lolibooru_id_filter
  taggery_fmturl="https://lolibooru.moe/post/show/%s"
  taggery_image_name_filter=lolibooru_image_name_filter
  taggery_image_url_filter=lolibooru_image_url_filter
  taggery_image_tags_filter=lolibooru_image_tags_filter
}
lolibooru_id_filter() {
  sed -e 's#^.*/post/show/\([0-9]\+\)\($\|/.*$\)#\1#'
}
lolibooru_image_url_filter() {
  sed -e '/id="highres"/!d; s/^.*href="\([^"]*\)".*$/\1/i'
}
lolibooru_image_tags_filter() {
  sed -e '/id="tag-sidebar"/,/<\/ul>/!d; s/<\/li>/&\n/g' | sed -e '/class="tag-link/!d; s/\([^?]\)<\/a>.*$/\1/; s/^.*>//; s/ /_/g'
}
lolibooru_image_name_filter() {
  local id="${1}"
  local image_url="${2}"
  echo "${image_url}" | sed -e 's#^.*/image/##; s#/.*\(\.[^.]*\)$#\1#'
}