# tables.ludic - a language's lookups, kept once read: switching back to it is a copy of references,
# not the .po parsed again (every change of language once dropped the old tables for good)
property I18nTables {
  exact: Dict = null
  out: []string = null
  plural: Dict = null
  forms: []string = null
  plural_rule: int = 0
}

@alloc_ok("once per language: its lookups, kept")
function tables_keep(i18n_st: I18nState) -> I18nTables {
  let t = new I18nTables
  t.exact = i18n_st.exact
  t.out = i18n_st.out
  t.plural = i18n_st.plural
  t.forms = i18n_st.forms
  t.plural_rule = i18n_st.plural_rule
  return t
}

function tables_put(i18n_st: mut I18nState, t: I18nTables) -> void {
  i18n_st.exact = t.exact
  i18n_st.out = t.out
  i18n_st.plural = t.plural
  i18n_st.forms = t.forms
  i18n_st.plural_rule = t.plural_rule
}

function tables_have(i18n_st: I18nState, k: int) -> bool {
  if i18n_st.tabs == null or k >= len(i18n_st.tabs) { return false }
  return i18n_st.tabs[k] != null
}

@alloc_ok("once per language: the slot its lookups are kept in")
function tables_file(i18n_st: mut I18nState, k: int) -> void {
  if i18n_st.tabs == null { i18n_st.tabs = new []I18nTables }
  while len(i18n_st.tabs) <= k { push(i18n_st.tabs, null) }
  i18n_st.tabs[k] = tables_keep(i18n_st)
}