X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Ficu_I18N.c;h=764d8f7deb98c290c5cbea0fea63085655abcca9;hp=28055bdbb31af9ca4548998f530ccb7aa34bf532;hb=ec7571c09ddbe4580775d3a8a60271a657ae02a6;hpb=cb9f0bb98295d0b6634d41b1164f18481238f3fd

diff --git a/src/icu_I18N.c b/src/icu_I18N.c
index 28055bd..764d8f7 100644
--- a/src/icu_I18N.c
+++ b/src/icu_I18N.c
@@ -1,8 +1,11 @@
-/*
- * Copyright (C) 1995-2007, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2008 Index Data
  * See the file LICENSE for details.
- *
- * $Id: icu_I18N.c,v 1.17 2007-11-08 17:20:32 adam Exp $
+ */
+
+/**
+ * \file icu_I18N.c
+ * \brief ICU utilities
  */
 
 #if HAVE_CONFIG_H
@@ -14,9 +17,9 @@
 #include <yaz/timing.h>
 #endif
 
+#if YAZ_HAVE_ICU
 #include <yaz/xmalloc.h>
 
-#if YAZ_HAVE_ICU
 #include <yaz/icu_I18N.h>
 
 #include <yaz/log.h>
@@ -34,9 +37,9 @@
 
 int icu_check_status (UErrorCode status)
 {
-    if(U_FAILURE(status)){
-        yaz_log(YLOG_WARN, 
-                "ICU: %d %s\n", status, u_errorName(status));
+    if (U_FAILURE(status))
+    {
+        yaz_log(YLOG_WARN, "ICU: %d %s\n", status, u_errorName(status));
         return 0;   
     }
     return 1;
@@ -166,8 +169,7 @@ struct icu_buf_utf8 * icu_buf_utf8_resize(struct icu_buf_utf8 * buf8,
         else
             buf8->utf8 
                 = (uint8_t *) xrealloc(buf8->utf8, sizeof(uint8_t) * capacity);
-
-        icu_buf_utf8_clear(buf8);
+        
         buf8->utf8_cap = capacity;
     } 
     else { 
@@ -181,23 +183,6 @@ struct icu_buf_utf8 * icu_buf_utf8_resize(struct icu_buf_utf8 * buf8,
 }
 
 
-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;
-}
-
-
 const char *icu_buf_utf8_to_cstr(struct icu_buf_utf8 *src8)
 {
     if (!src8 || src8->utf8_len == 0)
@@ -372,7 +357,7 @@ int icu_utf16_casemap(struct icu_buf_utf16 * dest16,
     int32_t dest16_len = 0;
 
 
-    if (!src16->utf16_len){           //guarding for empty source string
+    if (!src16->utf16_len){           /* guarding for empty source string */
         if (dest16->utf16)
             dest16->utf16[0] = (UChar) 0;
         dest16->utf16_len = 0;
@@ -465,10 +450,10 @@ int icu_utf16_casemap(struct icu_buf_utf16 * dest16,
 
 
 
-UErrorCode icu_sortkey8_from_utf16(UCollator *coll,
-                                   struct icu_buf_utf8 * dest8, 
-                                   struct icu_buf_utf16 * src16,
-                                   UErrorCode * status)
+void icu_sortkey8_from_utf16(UCollator *coll,
+                             struct icu_buf_utf8 * dest8, 
+                             struct icu_buf_utf16 * src16,
+                             UErrorCode * status)
 { 
   
     int32_t sortkey_len = 0;
@@ -488,8 +473,6 @@ UErrorCode icu_sortkey8_from_utf16(UCollator *coll,
         dest8->utf8_len = sortkey_len;
     else 
         icu_buf_utf8_clear(dest8);
-    
-    return sortkey_len;
 }
 
 
@@ -737,7 +720,7 @@ int icu_normalizer_normalize(struct icu_normalizer * normalizer,
         || !dest16)
         return 0;
 
-    if (!src16->utf16_len){           //guarding for empty source string
+    if (!src16->utf16_len){           /* guarding for empty source string */
         icu_buf_utf16_clear(dest16);
         return 0;
     }
@@ -829,18 +812,15 @@ void icu_chain_step_destroy(struct icu_chain_step * step){
 
 
 
-struct icu_chain * icu_chain_create(const char *locale, 
-                                    int sort,
+struct icu_chain * icu_chain_create(const char *locale,  int sort,
                                     UErrorCode * status)
 {
-
     struct icu_chain * chain 
         = (struct icu_chain *) xmalloc(sizeof(struct icu_chain));
 
     *status = U_ZERO_ERROR;
 
-    strncpy((char *) chain->locale, (const char *) locale, 16);    
-    chain->locale[16 - 1] = '\0';
+    chain->locale = xstrdup(locale);
 
     chain->sort = sort;
 
@@ -849,7 +829,6 @@ struct icu_chain * icu_chain_create(const char *locale,
     if (U_FAILURE(*status))
         return 0;
 
-
     chain->token_count = 0;
 
     chain->src8cstr = 0;
@@ -868,8 +847,8 @@ struct icu_chain * icu_chain_create(const char *locale,
 
 void icu_chain_destroy(struct icu_chain * chain)
 {
-    if (chain){
-
+    if (chain)
+    {
         if (chain->coll)
             ucol_close(chain->coll);
 
@@ -880,6 +859,7 @@ void icu_chain_destroy(struct icu_chain * chain)
         icu_buf_utf16_destroy(chain->src16);
     
         icu_chain_step_destroy(chain->steps);
+        xfree(chain->locale);
         xfree(chain);
     }
 }
@@ -922,35 +902,27 @@ struct icu_chain * icu_chain_xml_config(const xmlNode *xml_node,
 
         xml_rule = xmlGetProp(node, (xmlChar *) "rule");
 
-        if (!strcmp((const char *) node->name, 
-                    (const char *) "casemap")){
+        if (!strcmp((const char *) node->name, "casemap"))
             step = icu_chain_insert_step(chain, ICU_chain_step_type_casemap, 
                                          (const uint8_t *) xml_rule, status);
-        }
-        else if (!strcmp((const char *) node->name,
-                         (const char *) "normalize")){
+        else if (!strcmp((const char *) node->name, "transform"))
             step = icu_chain_insert_step(chain, ICU_chain_step_type_normalize, 
                                          (const uint8_t *) xml_rule, status);
-        }
-        else if (!strcmp((const char *) node->name,
-                         (const char *) "tokenize")){
+        else if (!strcmp((const char *) node->name, "tokenize"))
             step = icu_chain_insert_step(chain, ICU_chain_step_type_tokenize, 
                                          (const uint8_t *) xml_rule, status);
-        }
-        else if (!strcmp((const char *) node->name,
-                         (const char *) "display")){
+        else if (!strcmp((const char *) node->name, "display"))
             step = icu_chain_insert_step(chain, ICU_chain_step_type_display, 
                                          (const uint8_t *) "", status);
-        }
         xmlFree(xml_rule);
-        if (!step || U_FAILURE(*status)){
+        if (!step || U_FAILURE(*status))
+        {
             icu_chain_destroy(chain);
             return 0;
         }
         
 
     }
-
     return chain;
 }
 
@@ -978,7 +950,8 @@ struct icu_chain_step * icu_chain_insert_step(struct icu_chain * chain,
 
     
     /* create utf16 destination buffers as needed, or */
-    switch(type) {
+    switch(type)
+    {
     case ICU_chain_step_type_display:
         buf16 = src16;
         break;
@@ -1018,7 +991,8 @@ int icu_chain_step_next_token(struct icu_chain * chain,
     /* assign utf16 src buffers as neeed, advance in previous steps
        tokens until non-zero token met, and setting stop condition */
 
-    if (step->previous){
+    if (step->previous)
+    {
         src16 = step->previous->buf16;
         /* tokens might be killed in previous steps, therefore looping */
 
@@ -1028,7 +1002,8 @@ int icu_chain_step_next_token(struct icu_chain * chain,
             got_new_token
                 = icu_chain_step_next_token(chain, step->previous, status);
     }
-    else { /* first step can only work once on chain->src16 input buffer */
+    else 
+    { /* first step can only work once on chain->src16 input buffer */
         src16 = chain->src16;
         step->more_tokens = 0;
         got_new_token = 1;
@@ -1038,7 +1013,8 @@ int icu_chain_step_next_token(struct icu_chain * chain,
         return 0;
 
     /* stop if nothing to process */
-    if (step->need_new_token && !got_new_token){
+    if (step->need_new_token && !got_new_token)
+    {
         step->more_tokens = 0;
         return 0;
     }
@@ -1047,7 +1023,8 @@ int icu_chain_step_next_token(struct icu_chain * chain,
        perform the work, eventually put this steps output in 
        step->buf16 or the chains UTF8 output buffers  */
 
-    switch(step->type) {
+    switch(step->type)
+    {
     case ICU_chain_step_type_display:
         icu_utf16_to_utf8(chain->display8, src16, status);
         break;
@@ -1062,12 +1039,12 @@ int icu_chain_step_next_token(struct icu_chain * chain,
         break;
     case ICU_chain_step_type_tokenize:
         /* attach to new src16 token only first time during splitting */
-        if (step->need_new_token){
+        if (step->need_new_token)
+        {
             icu_tokenizer_attach(step->u.tokenizer, src16, status);
             step->need_new_token = 0;
         }
 
-
         /* splitting one src16 token into multiple buf16 tokens */
         step->more_tokens
             = icu_tokenizer_next_token(step->u.tokenizer,
@@ -1076,11 +1053,11 @@ int icu_chain_step_next_token(struct icu_chain * chain,
         /* make sure to get new previous token if this one had been used up
            by recursive call to _same_ step */
 
-        if (!step->more_tokens){
+        if (!step->more_tokens)
+        {
             step->more_tokens = icu_chain_step_next_token(chain, step, status);
-            return step->more_tokens;  // avoid one token count too much!
+            return step->more_tokens;  /* avoid one token count too much! */
         }
-
         break;
     default:
         return 0;
@@ -1115,7 +1092,8 @@ int icu_chain_assign_cstr(struct icu_chain * chain,
     chain->token_count = 0;
 
     /* clear all steps stop states */
-    while (stp){
+    while (stp)
+    {
         stp->more_tokens = 1;
         stp->need_new_token = 1;
         stp = stp->previous;
@@ -1144,10 +1122,12 @@ int icu_chain_next_token(struct icu_chain * chain,
         return 0;
 
     /* special case with no steps - same as index type binary */
-    if (!chain->steps){
+    if (!chain->steps)
+    {
         if (chain->token_count)
             return 0;
-        else {
+        else
+        {
             chain->token_count++;
             
             if (chain->sort)
@@ -1158,12 +1138,13 @@ int icu_chain_next_token(struct icu_chain * chain,
         }
     }
     /* usual case, one or more icu chain steps existing */
-    else {
-
+    else 
+    {
         while(!got_token && chain->steps && chain->steps->more_tokens)
             got_token = icu_chain_step_next_token(chain, chain->steps, status);
 
-        if (got_token){
+        if (got_token)
+        {
             chain->token_count++;
 
             icu_utf16_to_utf8(chain->norm8, chain->steps->buf16, status);
@@ -1172,7 +1153,7 @@ int icu_chain_next_token(struct icu_chain * chain,
                 icu_sortkey8_from_utf16(chain->coll,
                                         chain->sort8, chain->steps->buf16,
                                         status);
-            
+
             return chain->token_count;
         }
     }
@@ -1221,12 +1202,8 @@ const UCollator * icu_chain_get_coll(struct icu_chain * chain)
     return chain->coll;
 }
 
-
 #endif /* YAZ_HAVE_ICU */
 
-
-
-
 /*
  * Local variables:
  * c-basic-offset: 4