From: Adam Dickmeiss <adam@indexdata.dk>
Date: Mon, 1 Feb 2010 15:32:38 +0000 (+0100)
Subject: Working on cloning / thread safety for ICU stuff
X-Git-Tag: v4.0.2~23
X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=commitdiff_plain;h=527a008f2f3b1a19a968a7a1275132a04aa4d945

Working on cloning / thread safety for ICU stuff
---

diff --git a/include/yaz/icu_I18N.h b/include/yaz/icu_I18N.h
index b330446..c6b8672 100644
--- a/include/yaz/icu_I18N.h
+++ b/include/yaz/icu_I18N.h
@@ -102,6 +102,8 @@ struct icu_casemap;
 
 struct icu_casemap * icu_casemap_create(char action, UErrorCode *status);
 
+struct icu_casemap *icu_casemap_clone(struct icu_casemap *old);
+
 void icu_casemap_destroy(struct icu_casemap * casemap);
 
 int icu_casemap_casemap(struct icu_casemap * casemap,
@@ -124,6 +126,7 @@ struct icu_tokenizer;
 struct icu_tokenizer * icu_tokenizer_create(const char *locale, char action,
                                             UErrorCode *status);
 
+struct icu_tokenizer *icu_tokenizer_clone(struct icu_tokenizer *old);
 void icu_tokenizer_destroy(struct icu_tokenizer * tokenizer);
 
 int icu_tokenizer_attach(struct icu_tokenizer * tokenizer, 
@@ -140,7 +143,7 @@ struct icu_transform;
 struct icu_transform * icu_transform_create(const char *id, char action,
                                             const char *rules,
                                             UErrorCode *status);
-
+struct icu_transform *icu_transform_clone(struct icu_transform *old);
 void icu_transform_destroy(struct icu_transform * transform);
 
 int icu_transform_trans(struct icu_transform * transform,
diff --git a/src/icu_casemap.c b/src/icu_casemap.c
index d0a7051..26aa737 100644
--- a/src/icu_casemap.c
+++ b/src/icu_casemap.c
@@ -54,6 +54,14 @@ struct icu_casemap * icu_casemap_create(char action, UErrorCode *status)
     return casemap;
 }
 
+struct icu_casemap *icu_casemap_clone(struct icu_casemap *old)
+{
+    struct icu_casemap * casemap
+        = (struct icu_casemap *) xmalloc(sizeof(struct icu_casemap));
+    casemap->action = old->action;
+    return casemap;
+}
+
 void icu_casemap_destroy(struct icu_casemap * casemap)
 {
     xfree(casemap);
diff --git a/src/icu_chain.c b/src/icu_chain.c
index d72e9cd..512c2b1 100644
--- a/src/icu_chain.c
+++ b/src/icu_chain.c
@@ -60,7 +60,7 @@ struct icu_chain
     struct icu_buf_utf8 * norm8;
     
     /* linked list of chain steps */
-    struct icu_chain_step * steps;
+    struct icu_chain_step * csteps;
 };
 
 int icu_check_status(UErrorCode status)
@@ -80,7 +80,7 @@ static struct icu_chain_step *icu_chain_step_create(
 {
     struct icu_chain_step * step = 0;
     
-    if(!chain || !type || !rule)
+    if (!chain || !type || !rule)
         return 0;
 
     step = (struct icu_chain_step *) xmalloc(sizeof(struct icu_chain_step));
@@ -142,6 +142,39 @@ static void icu_chain_step_destroy(struct icu_chain_step * step)
     xfree(step);
 }
 
+struct icu_chain_step *icu_chain_step_clone(struct icu_chain_step *old)
+{
+    struct icu_chain_step *step = 0;
+    struct icu_chain_step **sp = &step;
+    while (old)
+    {
+        *sp = (struct icu_chain_step *) xmalloc(sizeof(**sp));
+        (*sp)->type = old->type;
+        
+        switch ((*sp)->type)
+        {
+        case ICU_chain_step_type_display:
+            break;
+        case ICU_chain_step_type_casemap:
+            (*sp)->u.casemap = icu_casemap_clone(old->u.casemap);
+            break;
+        case ICU_chain_step_type_transform:
+        case ICU_chain_step_type_transliterate:
+            (*sp)->u.transform = icu_transform_clone(old->u.transform);
+            break;
+        case ICU_chain_step_type_tokenize:
+            (*sp)->u.tokenizer = icu_tokenizer_clone(old->u.tokenizer);
+            break;
+        case ICU_chain_step_type_none:
+            break;
+        }
+        old = old->previous;
+        sp = &(*sp)->previous;
+    }
+    *sp = 0;
+    return step;
+}
+
 struct icu_chain *icu_chain_create(const char *locale, int sort,
                                    UErrorCode * status)
 {
@@ -161,7 +194,7 @@ struct icu_chain *icu_chain_create(const char *locale, int sort,
         return 0;
 
     chain->norm8 = icu_buf_utf8_create(0);
-    chain->steps = 0;
+    chain->csteps = 0;
 
     return chain;
 }
@@ -176,7 +209,7 @@ void icu_chain_destroy(struct icu_chain * chain)
         icu_buf_utf8_destroy(chain->norm8);
         if (chain->iter)
             icu_iter_destroy(chain->iter);
-        icu_chain_step_destroy(chain->steps);
+        icu_chain_step_destroy(chain->csteps);
         xfree(chain->locale);
         xfree(chain);
     }
@@ -266,6 +299,7 @@ struct icu_chain * icu_chain_xml_config(const xmlNode *xml_node,
     return chain;
 }
 
+
 static struct icu_chain_step *icu_chain_insert_step(
     struct icu_chain * chain, enum icu_chain_step_type type,
     const uint8_t * rule, UErrorCode *status)
@@ -278,8 +312,8 @@ static struct icu_chain_step *icu_chain_insert_step(
     step = icu_chain_step_create(chain, type, rule,
                                  status);
 
-    step->previous = chain->steps;
-    chain->steps = step;
+    step->previous = chain->csteps;
+    chain->csteps = step;
 
     return step;
 }
@@ -292,6 +326,7 @@ struct icu_iter {
     struct icu_buf_utf8 *sort8;
     struct icu_buf_utf16 *input;
     int token_count;
+    struct icu_chain_step *steps;
 };
 
 void icu_utf16_print(struct icu_buf_utf16 *src16)
@@ -388,13 +423,17 @@ struct icu_iter *icu_iter_create(struct icu_chain *chain,
         iter->sort8 = icu_buf_utf8_create(0);
         iter->token_count = 0;
         iter->last = 0; /* no last returned string (yet) */
+#if 0
+        iter->steps = icu_chain_step_clone(chain->csteps);
+#else
+        iter->steps = 0;
+#endif
 
         /* fill and assign input string.. It will be 0 after
            first iteration */
         iter->input =  icu_buf_utf16_create(0);
         icu_utf16_from_utf8_cstr(iter->input, src8cstr, &iter->status);
         return iter;
-
     }
 }
 
@@ -406,6 +445,7 @@ void icu_iter_destroy(struct icu_iter *iter)
         icu_buf_utf8_destroy(iter->sort8);
         if (iter->input)
             icu_buf_utf16_destroy(iter->input);
+        icu_chain_step_destroy(iter->steps);
         xfree(iter);
     }
 }
@@ -417,7 +457,9 @@ int icu_iter_next(struct icu_iter *iter, struct icu_buf_utf8 *result)
     else
     {
         /* on first call, iter->input is the input string. Thereafter: 0. */
-        iter->last = icu_iter_invoke(iter, iter->chain->steps, iter->input);
+        iter->last = icu_iter_invoke(iter, iter->steps ?
+                                     iter->steps : iter->chain->csteps,
+                                     iter->input);
         iter->input = 0;
         
         if (!iter->last)
diff --git a/src/icu_tokenizer.c b/src/icu_tokenizer.c
index f9b4926..e8d3123 100644
--- a/src/icu_tokenizer.c
+++ b/src/icu_tokenizer.c
@@ -19,6 +19,7 @@
 
 #include <yaz/log.h>
 
+#include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -45,12 +46,9 @@ struct icu_tokenizer
 */
 };
 
-struct icu_tokenizer *icu_tokenizer_create(const char *locale, char action,
-                                           UErrorCode *status)
+static void icu_tokenizer_reset(struct icu_tokenizer *tokenizer,
+                                char action)
 {
-    struct icu_tokenizer * tokenizer
-        = (struct icu_tokenizer *) xmalloc(sizeof(struct icu_tokenizer));
-
     tokenizer->action = action;
     tokenizer->bi = 0;
     tokenizer->buf16 = icu_buf_utf16_create(0);
@@ -58,7 +56,32 @@ struct icu_tokenizer *icu_tokenizer_create(const char *locale, char action,
     tokenizer->token_id = 0;
     tokenizer->token_start = 0;
     tokenizer->token_end = 0;
+    tokenizer->bi = 0;
+}
+
+struct icu_tokenizer *icu_tokenizer_clone(struct icu_tokenizer *old)
+{
+    uint32_t bufferSize = 10000;
+    UErrorCode status = 0;
+    struct icu_tokenizer * tokenizer
+        = (struct icu_tokenizer *) xmalloc(sizeof(struct icu_tokenizer));
+
+    assert(old);
+    icu_tokenizer_reset(tokenizer, old->action);
+    assert(old->bi);
+    tokenizer->bi = ubrk_safeClone(old->bi, NULL, &bufferSize, &status);
+    if (U_SUCCESS(status))
+        return tokenizer;
+    return tokenizer;
+}
+
+struct icu_tokenizer *icu_tokenizer_create(const char *locale, char action,
+                                           UErrorCode *status)
+{
+    struct icu_tokenizer * tokenizer
+        = (struct icu_tokenizer *) xmalloc(sizeof(struct icu_tokenizer));
 
+    icu_tokenizer_reset(tokenizer, action);
     switch (tokenizer->action)
     {    
     case 'l':
diff --git a/src/icu_transform.c b/src/icu_transform.c
index a3d9e16..b7ae9c3 100644
--- a/src/icu_transform.c
+++ b/src/icu_transform.c
@@ -19,6 +19,7 @@
 
 #include <yaz/log.h>
 
+#include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -32,6 +33,19 @@ struct icu_transform
     UTransliterator * trans;
 };
 
+struct icu_transform *icu_transform_clone(struct icu_transform *old)
+{
+    struct icu_transform *transform
+        = (struct icu_transform *) xmalloc(sizeof(struct icu_transform));
+    UErrorCode status;
+    assert(old);
+    transform->action = old->action;
+    assert(old->trans);
+    transform->trans = utrans_clone(old->trans, &status);
+    assert(transform->trans);
+    return transform;
+}
+
 struct icu_transform * icu_transform_create(const char *id, char action,
                                             const char *rules, 
                                             UErrorCode *status)
diff --git a/test/tst_icu_I18N.c b/test/tst_icu_I18N.c
index 484e9cc..d4dc7c1 100644
--- a/test/tst_icu_I18N.c
+++ b/test/tst_icu_I18N.c
@@ -455,11 +455,10 @@ static void check_icu_chain(void)
 
     while (icu_chain_next_token(chain, &status))
     {
-        ;
-        /* printf("%d '%s' '%s'\n",
-           icu_chain_token_number(chain),
-           icu_chain_token_norm(chain),
-           icu_chain_token_display(chain)); */
+        yaz_log(YLOG_LOG, "%d '%s' '%s'",
+                icu_chain_token_number(chain),
+                icu_chain_token_norm(chain),
+                icu_chain_token_display(chain));
     }
 
     YAZ_CHECK_EQ(icu_chain_token_number(chain), 7);
@@ -469,11 +468,10 @@ static void check_icu_chain(void)
 
     while (icu_chain_next_token(chain, &status))
     {
-        ;
-        /* printf("%d '%s' '%s'\n",
-           icu_chain_token_number(chain),
-           icu_chain_token_norm(chain),
-           icu_chain_token_display(chain)); */
+        yaz_log(YLOG_LOG, "%d '%s' '%s'",
+                icu_chain_token_number(chain),
+                icu_chain_token_norm(chain),
+                icu_chain_token_display(chain));
     }