static void icu_chain_step_destroy(struct icu_chain_step *step)
{
if (!step)
return;
icu_chain_step_destroy(step->previous);
switch (step->type)
{
case ICU_chain_step_type_display:
break;
case ICU_chain_step_type_casemap:
icu_casemap_destroy(step->u.casemap);
break;
case ICU_chain_step_type_transform:
case ICU_chain_step_type_transliterate:
icu_transform_destroy(step->u.transform);
break;
case ICU_chain_step_type_tokenize:
icu_tokenizer_destroy(step->u.tokenizer);
break;
case YAZ_chain_step_type_stemming:
yaz_stemmer_destroy(step->u.stemmer);
break;
case ICU_chain_step_type_join:
icu_buf_utf16_destroy(step->u.join);
break;
default:
break;
}
xfree(step);
}
struct icu_casemap *icu_casemap_create(char action, UErrorCode *status)
{
struct icu_casemap *casemap
= (struct icu_casemap *) xmalloc(sizeof(struct icu_casemap));
casemap->action = action;
switch (casemap->action)
{
case 'l':
case 'L':
case 'u':
case 'U':
case 't':
case 'T':
case 'f':
case 'F':
break;
default:
icu_casemap_destroy(casemap);
return 0;
}
return casemap;
}
