X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Ficu_transform.c;h=034392c17bcde39596560d00220814ab38fd36c1;hb=00537b483d646bd04a204708ecbde708861f044e;hp=10ace94405c1e52bbb8a68535b89f033159a666b;hpb=54bd147d353f7f340a48a9da5c6a568446223371;p=yaz-moved-to-github.git

diff --git a/src/icu_transform.c b/src/icu_transform.c
index 10ace94..034392c 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) 1995-2009 Index Data
+ * Copyright (C) 1995-2012 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>
@@ -32,8 +33,21 @@ 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 = 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, 
+                                            const char *rules,
                                             UErrorCode *status)
 {
     struct icu_buf_utf16 *id16 = 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;
 
@@ -99,10 +114,10 @@ void icu_transform_destroy(struct icu_transform * transform)
 
 int icu_transform_trans(struct icu_transform * transform,
                         struct icu_buf_utf16 * dest16,
-                        struct icu_buf_utf16 * src16,
+                        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, &(src16->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;
 }