-/* $Id: icu_I18N.c,v 1.2 2007-05-01 08:17:05 marc Exp $
+/* $Id: icu_I18N.c,v 1.7 2007-05-07 12:52:04 marc Exp $
Copyright (c) 2006-2007, Index Data.
-This file is part of Pazpar2.
+ This file is part of Pazpar2.
-Pazpar2 is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
+ Pazpar2 is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
-Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
+ Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
-You should have received a copy of the GNU General Public License
-along with Pazpar2; see the file LICENSE. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
- */
+ You should have received a copy of the GNU General Public License
+ along with Pazpar2; see the file LICENSE. If not, write to the
+ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+*/
#if HAVE_CONFIG_H
#include "cconfig.h"
#include <yaz/log.h>
#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
#include <unicode/ustring.h> /* some more string fcns*/
#include <unicode/uchar.h> /* char names */
//#include <unicode/ustdio.h>
//#include <unicode/utypes.h> /* Basic ICU data types */
-//#include <unicode/ucol.h>
+#include <unicode/ucol.h>
//#include <unicode/ucnv.h> /* C Converter API */
//#include <unicode/uloc.h>
//#include <unicode/ubrk.h>
/* #include <unicode/unistr.h> */
-// forward declarations for helper functions
-int icu_check_status (UErrorCode status);
-UChar* icu_utf16_from_utf8(UChar *utf16,
- int32_t utf16_cap,
- int32_t *utf16_len,
- const char *utf8);
+int icu_check_status (UErrorCode status)
+{
+ //if(U_FAILURE(status))
+ if(!U_SUCCESS(status))
+ yaz_log(YLOG_WARN,
+ "ICU: %d %s\n", status, u_errorName(status));
+ return status;
+}
+
+
-UChar* icu_utf16_from_utf8n(UChar *utf16,
- int32_t utf16_cap,
- int32_t *utf16_len,
- const char *utf8,
- size_t utf8_len);
+struct icu_buf_utf16 * icu_buf_utf16_create(size_t capacity)
+{
+ struct icu_buf_utf16 * buf16
+ = (struct icu_buf_utf16 *) malloc(sizeof(struct icu_buf_utf16));
+ buf16->utf16 = 0;
+ buf16->utf16_len = 0;
+ buf16->utf16_cap = 0;
-char* icu_utf16_to_utf8(char *utf8,
- size_t utf8_cap,
- size_t *utf8_len,
- const UChar *utf16,
- int32_t utf16_len);
+ if (capacity > 0){
+ buf16->utf16 = (UChar *) malloc(sizeof(UChar) * capacity);
+ buf16->utf16[0] = (UChar) 0;
+ buf16->utf16_cap = capacity;
+ }
+ return buf16;
+};
-int32_t icu_utf16_casemap(UChar *dest16, int32_t dest16_cap,
- const UChar *src16, int32_t src16_len,
- const char *locale, char action);
+struct icu_buf_utf16 * icu_buf_utf16_resize(struct icu_buf_utf16 * buf16,
+ size_t capacity)
+{
+ if (buf16){
+ if (capacity > 0){
+ if (0 == buf16->utf16)
+ buf16->utf16 = (UChar *) malloc(sizeof(UChar) * capacity);
+ else
+ buf16->utf16
+ = (UChar *) realloc(buf16->utf16, sizeof(UChar) * capacity);
+ buf16->utf16[0] = (UChar) 0;
+ buf16->utf16_len = 0;
+ buf16->utf16_cap = capacity;
+ }
+ else {
+ if (buf16->utf16)
+ free(buf16->utf16);
+ buf16->utf16 = 0;
+ buf16->utf16_len = 0;
+ buf16->utf16_cap = 0;
+ }
+ }
+ return buf16;
+};
-// source code
-int icu_check_status (UErrorCode status)
+void icu_buf_utf16_destroy(struct icu_buf_utf16 * buf16)
{
- if(U_FAILURE(status))
- yaz_log(YLOG_WARN,
- "ICU Error: %d %s\n", status, u_errorName(status));
- return status;
-}
+ if (buf16){
+ if (buf16->utf16)
+ free(buf16->utf16);
+ free(buf16);
+ }
+};
+
+
+
-UChar* icu_utf16_from_utf8(UChar *utf16,
- int32_t utf16_cap,
- int32_t *utf16_len,
- const char *utf8)
+
+struct icu_buf_utf8 * icu_buf_utf8_create(size_t capacity)
{
- size_t utf8_len = strlen(utf8);
- return icu_utf16_from_utf8n(utf16, utf16_cap, utf16_len,
- utf8, utf8_len);
-}
+ struct icu_buf_utf8 * buf8
+ = (struct icu_buf_utf8 *) malloc(sizeof(struct icu_buf_utf8));
+
+ buf8->utf8 = 0;
+ buf8->utf8_len = 0;
+ buf8->utf8_cap = 0;
+
+ if (capacity > 0){
+ buf8->utf8 = (uint8_t *) malloc(sizeof(uint8_t) * capacity);
+ buf8->utf8[0] = (uint8_t) 0;
+ buf8->utf8_cap = capacity;
+ }
+ return buf8;
+};
+
-UChar* icu_utf16_from_utf8n(UChar *utf16,
- int32_t utf16_cap,
- int32_t *utf16_len,
- const char *utf8,
- size_t utf8_len)
+struct icu_buf_utf8 * icu_buf_utf8_resize(struct icu_buf_utf8 * buf8,
+ size_t capacity)
{
- UErrorCode status = U_ZERO_ERROR;
- u_strFromUTF8(utf16, utf16_cap, utf16_len, utf8, (int32_t) utf8_len,
- &status);
- if (U_ZERO_ERROR != icu_check_status(status))
- return 0;
- else
- return utf16;
-}
+ if (buf8){
+ if (capacity > 0){
+ if (0 == buf8->utf8)
+ buf8->utf8 = (uint8_t *) malloc(sizeof(uint8_t) * capacity);
+ else
+ buf8->utf8
+ = (uint8_t *) realloc(buf8->utf8, sizeof(uint8_t) * capacity);
+ buf8->utf8[0] = (uint8_t) 0;
+ buf8->utf8_len = 0;
+ buf8->utf8_cap = capacity;
+ }
+ else {
+ if (buf8->utf8)
+ free(buf8->utf8);
+ buf8->utf8 = 0;
+ buf8->utf8_len = 0;
+ buf8->utf8_cap = 0;
+ }
+ }
+ return buf8;
+};
-char* icu_utf16_to_utf8(char *utf8,
- size_t utf8_cap,
- size_t *utf8_len,
- const UChar *utf16,
- int32_t utf16_len)
+
+
+void icu_buf_utf8_destroy(struct icu_buf_utf8 * buf8)
{
- UErrorCode status = U_ZERO_ERROR;
- u_strToUTF8(utf8, (int32_t) utf8_cap, (int32_t *)utf8_len,
- utf16, utf16_len, &status);
- if (U_ZERO_ERROR != icu_check_status(status))
- return 0;
- else
- return utf8;
-}
+ if (buf8){
+ if (buf8->utf8)
+ free(buf8->utf8);
+ free(buf8);
+ }
+};
+
+
+
+UErrorCode icu_utf16_from_utf8(struct icu_buf_utf16 * dest16,
+ struct icu_buf_utf8 * src8,
+ UErrorCode * status)
+{
+ int32_t utf16_len = 0;
+
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ (const char *) src8->utf8, src8->utf8_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest16->utf16_len > dest16->utf16_cap
+ ){
+ icu_buf_utf16_resize(dest16, utf16_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ (const char *) src8->utf8, src8->utf8_len, status);
+ }
+
+ //if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf16_len < dest16->utf16_cap)
+ dest16->utf16_len = utf16_len;
+ else {
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return *status;
+};
+
+
+
+UErrorCode icu_utf16_from_utf8_cstr(struct icu_buf_utf16 * dest16,
+ const char * src8cstr,
+ UErrorCode * status)
+{
+ size_t src8cstr_len = 0;
+ int32_t utf16_len = 0;
+
+ src8cstr_len = strlen(src8cstr);
+
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ src8cstr, src8cstr_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest16->utf16_len > dest16->utf16_cap
+ ){
+ icu_buf_utf16_resize(dest16, utf16_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ src8cstr, src8cstr_len, status);
+ }
+
+ // if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf16_len < dest16->utf16_cap)
+ dest16->utf16_len = utf16_len;
+ else {
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return *status;
+};
+
+
+
+
+UErrorCode icu_utf16_to_utf8(struct icu_buf_utf8 * dest8,
+ struct icu_buf_utf16 * src16,
+ UErrorCode * status)
+{
+ int32_t utf8_len = 0;
+
+ u_strToUTF8((char *) dest8->utf8, dest8->utf8_cap,
+ &utf8_len,
+ src16->utf16, src16->utf16_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest8->utf8_len > dest8->utf8_cap
+ ){
+ icu_buf_utf8_resize(dest8, utf8_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strToUTF8((char *) dest8->utf8, dest8->utf8_cap,
+ &utf8_len,
+ src16->utf16, src16->utf16_len, status);
+
+ }
+
+ //if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf8_len < dest8->utf8_cap)
+ dest8->utf8_len = utf8_len;
+ else {
+ dest8->utf8[0] = (uint8_t) 0;
+ dest8->utf8_len = 0;
+ }
+
+ return *status;
+};
-int32_t icu_utf16_casemap(UChar *dest16, int32_t dest16_cap,
- const UChar *src16, int32_t src16_len,
- const char *locale, char action)
+
+int icu_utf16_casemap(struct icu_buf_utf16 * dest16,
+ struct icu_buf_utf16 * src16,
+ const char *locale, char action,
+ UErrorCode *status)
{
- UErrorCode status = U_ZERO_ERROR;
int32_t dest16_len = 0;
switch(action) {
case 'l':
- dest16_len = u_strToLower(dest16, dest16_cap, src16, src16_len,
- locale, &status);
+ dest16_len = u_strToLower(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ locale, status);
break;
case 'u':
- dest16_len = u_strToUpper(dest16, dest16_cap, src16, src16_len,
- locale, &status);
+ dest16_len = u_strToUpper(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ locale, status);
break;
case 't':
- dest16_len = u_strToTitle(dest16, dest16_cap, src16, src16_len,
- 0, locale, &status);
+ dest16_len = u_strToTitle(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ 0, locale, status);
break;
case 'f':
- dest16_len = u_strFoldCase(dest16, dest16_cap, src16, src16_len,
- U_FOLD_CASE_DEFAULT, &status);
+ dest16_len = u_strFoldCase(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ U_FOLD_CASE_DEFAULT, status);
break;
default:
- return 0;
+ return U_UNSUPPORTED_ERROR;
break;
}
- if (U_ZERO_ERROR != icu_check_status(status))
- return 0;
- else
- return dest16_len;
-}
-
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest16_len > dest16->utf16_cap
+ ){
+ icu_buf_utf16_resize(dest16, dest16_len * 2);
+ *status = U_ZERO_ERROR;
-char * icu_casemap(NMEM nmem, char *buf, size_t buf_cap,
- size_t *dest8_len, const char *src8,
- const char *locale, char action)
-{
- size_t src8_len = strlen(src8);
- int32_t buf_len = 0;
- char * dest8 = 0;
- if (dest8_len)
- *dest8_len = 0;
+ switch(action) {
+ case 'l':
+ dest16_len = u_strToLower(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ locale, status);
+ break;
+ case 'u':
+ dest16_len = u_strToUpper(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ locale, status);
+ break;
+ case 't':
+ dest16_len = u_strToTitle(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ 0, locale, status);
+ break;
+ case 'f':
+ dest16_len = u_strFoldCase(dest16->utf16, dest16->utf16_cap,
+ src16->utf16, src16->utf16_len,
+ U_FOLD_CASE_DEFAULT, status);
+ break;
+
+ default:
+ return U_UNSUPPORTED_ERROR;
+ break;
+ }
+ }
+
+ if (U_SUCCESS(*status)
+ && dest16_len < dest16->utf16_cap)
+ dest16->utf16_len = dest16_len;
+ else {
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return *status;
+};
- if (!buf || !(buf_cap > 0) || !src8_len)
- return 0;
- // converting buf to utf16
- buf = (char *)icu_utf16_from_utf8n((UChar *) buf,
- (int32_t) buf_cap, &buf_len,
- src8, src8_len);
-
- // case mapping
- buf_len = (size_t) icu_utf16_casemap((UChar *)buf, (int32_t) buf_cap,
- (const UChar *)buf, (int32_t) buf_len,
- locale, action);
- // converting buf to utf8
- buf = icu_utf16_to_utf8(buf, buf_cap, (size_t *) &buf_len,
- (const UChar *) buf, (int32_t) buf_len);
+UErrorCode icu_sortkey8_from_utf16(UCollator *coll,
+ struct icu_buf_utf8 * dest8,
+ struct icu_buf_utf16 * src16,
+ UErrorCode * status)
+{
+
+ int32_t sortkey_len = 0;
-
- // copying out to nmem
- buf[buf_len] = '\0';
+ sortkey_len = ucol_getSortKey(coll, src16->utf16, src16->utf16_len,
+ dest8->utf8, dest8->utf8_cap);
- if(dest8_len)
- *dest8_len = buf_len;
+ // check for buffer overflow, resize and retry
+ if (sortkey_len > dest8->utf8_cap) {
+ icu_buf_utf8_resize(dest8, sortkey_len * 2);
+ sortkey_len = ucol_getSortKey(coll, src16->utf16, src16->utf16_len,
+ dest8->utf8, dest8->utf8_cap);
+ }
- dest8 = nmem_strdup(nmem, buf);
- return dest8;
-}
+ if (U_SUCCESS(*status)
+ && sortkey_len > 0)
+ dest8->utf8_len = sortkey_len;
+ else {
+ dest8->utf8[0] = (UChar) 0;
+ dest8->utf8_len = 0;
+ }
+
+ return *status;
+};
projects / pazpar2-moved-to-github.git / blobdiff