X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Ficu_transform.c;h=05214b7e8ee9c5c3f26365d031aaf50b289c3e6e;hp=a3d9e162af9db5a043bd622fb16c10e56398362e;hb=1932238af8876622f567da122fb52fb3791c9514;hpb=88d3bedf772316f87e1996f655ccf8d1e2589755

diff --git a/src/icu_transform.c b/src/icu_transform.c
index a3d9e16..05214b7 100644
--- a/src/icu_transform.c
+++ b/src/icu_transform.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2010 Index Data
+ * Copyright (C) 1995-2013 Index Data
  * See the file LICENSE for details.
  */
 
@@ -19,6 +19,7 @@
 
 #include <yaz/log.h>
 
+#include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -29,12 +30,25 @@ struct icu_transform
 {
     char action;
     UParseError parse_error;
-    UTransliterator * trans;
+    UTransliterator *trans;
 };
 
-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)
+{
+    struct icu_transform *transform
+        = (struct icu_transform *) xmalloc(sizeof(struct icu_transform));
+    UErrorCode status = U_ZERO_ERROR;
+    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)
 {
     struct icu_buf_utf16 *id16 = icu_buf_utf16_create(0);
     struct icu_buf_utf16 *rules16 = icu_buf_utf16_create(0);
@@ -47,6 +61,7 @@ struct icu_transform * icu_transform_create(const char *id, char action,
 
     if (id)
         icu_utf16_from_utf8_cstr(id16, id, status);
+
     if (rules)
         icu_utf16_from_utf8_cstr(rules16, rules, status);
 
@@ -55,10 +70,10 @@ struct icu_transform * icu_transform_create(const char *id, char action,
     case 'f':
     case 'F':
         transform->trans
-            = utrans_openU(id16->utf16, 
+            = utrans_openU(id16->utf16,
                            id16->utf16_len,
                            UTRANS_FORWARD,
-                           rules16->utf16, 
+                           rules16->utf16,
                            rules16->utf16_len,
                            &transform->parse_error, status);
         break;
@@ -68,7 +83,7 @@ struct icu_transform * icu_transform_create(const char *id, char action,
             = utrans_openU(id16->utf16,
                            id16->utf16_len,
                            UTRANS_REVERSE ,
-                           rules16->utf16, 
+                           rules16->utf16,
                            rules16->utf16_len,
                            &transform->parse_error, status);
         break;
@@ -78,7 +93,7 @@ struct icu_transform * icu_transform_create(const char *id, char action,
     }
     icu_buf_utf16_destroy(rules16);
     icu_buf_utf16_destroy(id16);
-    
+
     if (U_SUCCESS(*status))
         return transform;
 
@@ -87,7 +102,7 @@ struct icu_transform * icu_transform_create(const char *id, char action,
     return 0;
 }
 
-void icu_transform_destroy(struct icu_transform * transform)
+void icu_transform_destroy(struct icu_transform *transform)
 {
     if (transform)
     {
@@ -97,12 +112,12 @@ void icu_transform_destroy(struct icu_transform * transform)
     }
 }
 
-int icu_transform_trans(struct icu_transform * transform,
-                        struct icu_buf_utf16 * dest16,
-                        const struct icu_buf_utf16 * src16,
+int icu_transform_trans(struct icu_transform *transform,
+                        struct icu_buf_utf16 *dest16,
+                        const struct icu_buf_utf16 *src16,
                         UErrorCode *status)
 {
-    if (!transform || !transform->trans 
+    if (!transform || !transform->trans
         || !src16  || !dest16)
         return 0;
 
@@ -115,14 +130,14 @@ int icu_transform_trans(struct icu_transform * transform,
     if (!icu_buf_utf16_copy(dest16, src16))
         return 0;
 
-    utrans_transUChars (transform->trans, 
-                        dest16->utf16, &(dest16->utf16_len),
-                        dest16->utf16_cap,
-                        0, &(dest16->utf16_len), status);
+    utrans_transUChars(transform->trans,
+                       dest16->utf16, &(dest16->utf16_len),
+                       dest16->utf16_cap,
+                       0, &(dest16->utf16_len), status);
 
     if (U_FAILURE(*status))
         icu_buf_utf16_clear(dest16);
-    
+
     return dest16->utf16_len;
 }