-/* $Id: icu_I18N.c,v 1.9 2007-05-10 11:53:47 marc Exp $
+/* $Id: icu_I18N.c,v 1.12 2007-05-14 13:51:24 marc Exp $
Copyright (c) 2006-2007, Index Data.
This file is part of Pazpar2.
};
+struct icu_buf_utf16 * icu_buf_utf16_copy(struct icu_buf_utf16 * dest16,
+ struct icu_buf_utf16 * src16)
+{
+ if(!dest16 || !src16
+ || dest16 == src16)
+ return 0;
+
+ if (dest16->utf16_cap < src16->utf16_len)
+ icu_buf_utf16_resize(dest16, src16->utf16_len * 2);
+
+ u_strncpy(dest16->utf16, src16->utf16, src16->utf16_len);
+
+ return dest16;
+};
+
+
void icu_buf_utf16_destroy(struct icu_buf_utf16 * buf16)
{
if (buf16){
};
+struct icu_buf_utf8 * icu_buf_utf8_copy(struct icu_buf_utf8 * dest8,
+ struct icu_buf_utf8 * src8)
+{
+ if(!dest8 || !src8
+ || dest8 == src8)
+ return 0;
+
+
+ if (dest8->utf8_cap < src8->utf8_len)
+ icu_buf_utf8_resize(dest8, src8->utf8_len * 2);
+
+ strncpy((char*) dest8->utf8, (char*) src8->utf8, src8->utf8_len);
+
+ return dest8;
+};
+
+
void icu_buf_utf8_destroy(struct icu_buf_utf8 * buf8)
{
// check for buffer overflow, resize and retry
if (*status == U_BUFFER_OVERFLOW_ERROR
+ && dest16 != src16 // do not resize if in-place conversion
//|| dest16_len > dest16->utf16_cap
){
icu_buf_utf16_resize(dest16, dest16_len * 2);
dest8->utf8_len = 0;
}
- return *status;
+ return sortkey_len;
};
if (U_SUCCESS(*status))
return tokenizer;
- // reestablishing zero error state
- //if (*status == U_USING_DEFAULT_WARNING)
- // *status = U_ZERO_ERROR;
-
-
// freeing if failed
- free(tokenizer);
+ icu_tokenizer_destroy(tokenizer);
return 0;
};
void icu_tokenizer_destroy(struct icu_tokenizer * tokenizer)
{
-
if (tokenizer) {
if (tokenizer->bi)
ubrk_close(tokenizer->bi);
+//struct icu_normalizer
+//{
+// char action;
+// struct icu_buf_utf16 * rules16;
+// UParseError parse_error[256];
+// UTransliterator * trans;
+//};
+
+
+struct icu_normalizer * icu_normalizer_create(const char *rules, char action,
+ UErrorCode *status)
+{
+
+ struct icu_normalizer * normalizer
+ = (struct icu_normalizer *) malloc(sizeof(struct icu_normalizer));
+
+ normalizer->action = action;
+ normalizer->trans = 0;
+ normalizer->rules16 = icu_buf_utf16_create(0);
+ icu_utf16_from_utf8_cstr(normalizer->rules16, rules, status);
+
+ switch(normalizer->action) {
+ case 'f':
+ normalizer->trans
+ = utrans_openU(normalizer->rules16->utf16,
+ normalizer->rules16->utf16_len,
+ UTRANS_FORWARD,
+ 0, 0,
+ normalizer->parse_error, status);
+ break;
+ case 'r':
+ normalizer->trans
+ = utrans_openU(normalizer->rules16->utf16,
+ normalizer->rules16->utf16_len,
+ UTRANS_REVERSE ,
+ 0, 0,
+ normalizer->parse_error, status);
+ break;
+ default:
+ *status = U_UNSUPPORTED_ERROR;
+ return 0;
+ break;
+ }
+
+ if (U_SUCCESS(*status))
+ return normalizer;
+
+ // freeing if failed
+ icu_normalizer_destroy(normalizer);
+ return 0;
+};
+
+
+void icu_normalizer_destroy(struct icu_normalizer * normalizer){
+ if (normalizer) {
+ if (normalizer->rules16)
+ icu_buf_utf16_destroy(normalizer->rules16);
+ if (normalizer->trans)
+ utrans_close(normalizer->trans);
+ free(normalizer);
+ }
+};
+
+
+
+int icu_normalizer_normalize(struct icu_normalizer * normalizer,
+ struct icu_buf_utf16 * dest16,
+ struct icu_buf_utf16 * src16,
+ UErrorCode *status)
+{
+ if (!normalizer || !normalizer->trans || !src16 || !dest16)
+ return 0;
+
+ if (!icu_buf_utf16_copy(dest16, src16))
+ return 0;
+
+ utrans_transUChars (normalizer->trans,
+ dest16->utf16, &(dest16->utf16_len),
+ dest16->utf16_cap,
+ 0, &(src16->utf16_len), status);
+
+ if (U_FAILURE(*status)){
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return dest16->utf16_len;
+}
+
+
+
+struct icu_chain * icu_chain_create(const uint8_t * identifier,
+ const uint8_t * locale)
+{
+
+ struct icu_chain * chain
+ = (struct icu_chain *) malloc(sizeof(struct icu_chain));
+
+ strncpy((char *) chain->identifier, (const char *) identifier, 128);
+ chain->identifier[128 - 1] = '\0';
+ strncpy((char *) chain->locale, (const char *) locale, 16);
+ chain->locale[16 - 1] = '\0';
+
+ chain->token_count = 0;
+
+ chain->display8 = icu_buf_utf8_create(0);
+ chain->norm8 = icu_buf_utf8_create(0);
+ chain->sort8 = icu_buf_utf8_create(0);
+
+ chain->src16 = icu_buf_utf16_create(0);
+
+ chain->steps = 0;
+
+ return chain;
+};
+
+void icu_chain_destroy(struct icu_chain * chain)
+{
+ icu_buf_utf8_destroy(chain->display8);
+ icu_buf_utf8_destroy(chain->norm8);
+ icu_buf_utf8_destroy(chain->sort8);
+
+ icu_buf_utf16_destroy(chain->src16);
+
+ icu_chain_step_destroy(chain->steps);
+};
+
+struct icu_chain_step * icu_chain_append_step(struct icu_chain * chain,
+ enum icu_chain_step_type type,
+ const uint8_t * rule)
+{
+
+ struct icu_chain_step * step
+ = (struct icu_chain_step *) malloc(sizeof(struct icu_chain_step));
+
+
+
+ return step;
+};
+
+void icu_chain_step_destroy(struct icu_chain_step * step){
+
+ if (!step)
+ return;
+
+ if (step->next)
+ icu_chain_step_destroy(step->next);
+
+ // destroy last living icu_chain-step
+ switch(step->type) {
+ case ICU_chain_step_type_normalize:
+ icu_normalizer_destroy(step->u.normalizer);
+ break;
+ case ICU_chain_step_type_tokenize:
+ icu_tokenizer_destroy(step->u.tokenizer);
+ break;
+ default:
+ break;
+ }
+};
+
+
#endif // HAVE_ICU
projects / pazpar2-moved-to-github.git / blobdiff