-enum icu_chain_step_type {
- ICU_chain_step_type_none,
- ICU_chain_step_type_display, /* convert to utf8 display format */
- ICU_chain_step_type_casemap, /* apply utf16 charmap */
- ICU_chain_step_type_transform, /* apply utf16 transform */
- ICU_chain_step_type_tokenize /* apply utf16 tokenization */
-};
-
-
-
-struct icu_chain_step
-{
- /* type and action object */
- enum icu_chain_step_type type;
- union {
- struct icu_casemap * casemap;
- struct icu_transform * transform;
- struct icu_tokenizer * tokenizer;
- } u;
- /* temprary post-action utf16 buffer */
- struct icu_buf_utf16 * buf16;
- struct icu_chain_step * previous;
- int more_tokens;
- int need_new_token;
-};
-
-
-struct icu_chain;
-
-struct icu_chain_step * icu_chain_step_create(yaz_icu_chain_t chain,
- enum icu_chain_step_type type,
- const uint8_t * rule,
- struct icu_buf_utf16 * buf16,
- UErrorCode *status);
-
-
-void icu_chain_step_destroy(struct icu_chain_step * step);
-
-
-struct icu_chain
-{
- char *locale;
- int sort;
-
- const char * src8cstr;
-
- UCollator * coll;
-
- /* number of tokens returned so far */
- int32_t token_count;
-
- /* utf8 output buffers */
- struct icu_buf_utf8 * display8;
- struct icu_buf_utf8 * norm8;
- struct icu_buf_utf8 * sort8;
-
- /* utf16 source buffer */
- struct icu_buf_utf16 * src16;
-
- /* linked list of chain steps */
- struct icu_chain_step * steps;
-};
-
-struct icu_chain_step * icu_chain_insert_step(yaz_icu_chain_t chain,
- enum icu_chain_step_type type,
- const uint8_t * rule,
- UErrorCode *status);
-
-int icu_chain_step_next_token(yaz_icu_chain_t chain,
- struct icu_chain_step * step,
- UErrorCode *status);