ICU-66108.tar.gz

[apple/icu.git] / icuSources / common / unicode / utext.h

diff --git a/icuSources/common/unicode/utext.h b/icuSources/common/unicode/utext.h
index 817306062e367199f9c05aa8646954188ef197b9..94d1275e72eb4f8582156811f932a43095dca73f 100644 (file)
--- a/icuSources/common/unicode/utext.h
+++ b/icuSources/common/unicode/utext.h
@@ -144,7 +144,7 @@
 #include "unicode/rep.h"
 #include "unicode/unistr.h"
 #include "unicode/chariter.h"
-#endif // U_SHOW_CPLUSPLUS_API
+#endif
 
 
 U_CDECL_BEGIN
@@ -200,7 +200,7 @@ U_DEFINE_LOCAL_OPEN_POINTER(LocalUTextPointer, UText, utext_close);
 
 U_NAMESPACE_END
 
-#endif // U_SHOW_CPLUSPLUS_API
+#endif
 
 /**
  * Open a read-only UText implementation for UTF-8 strings.
@@ -308,7 +308,7 @@ utext_openReplaceable(UText *ut, icu::Replaceable *rep, UErrorCode *status);
 U_STABLE UText * U_EXPORT2
 utext_openCharacterIterator(UText *ut, icu::CharacterIterator *ci, UErrorCode *status);
 
-#endif // U_SHOW_CPLUSPLUS_API
+#endif
 
 
 /**
@@ -766,12 +766,28 @@ utext_extract(UText *ut,
   *
   * @stable ICU 3.8
   */
-#define UTEXT_SETNATIVEINDEX(ut, ix)                       \
-    { int64_t __offset = (ix) - (ut)->chunkNativeStart; \
-      if (__offset>=0 && __offset<(int64_t)(ut)->nativeIndexingLimit && (ut)->chunkContents[__offset]<0xdc00) { \
-          (ut)->chunkOffset=(int32_t)__offset; \
-      } else { \
-          utext_setNativeIndex((ut), (ix)); } }
+#if LOG_UTEXT_SETNATIVEINDEX
+/* Add logging for <rdar://problem/44884660> */
+#define UTEXT_SETNATIVEINDEX(ut, ix) UPRV_BLOCK_MACRO_BEGIN { \
+    int64_t __offset = (ix) - (ut)->chunkNativeStart; \
+    if ((ut)->chunkContents!=0 && __offset>=0 && __offset<(int64_t)(ut)->nativeIndexingLimit && (ut)->chunkContents[__offset]<0xdc00) { \
+        (ut)->chunkOffset=(int32_t)__offset; \
+    } else if ((ut)->chunkContents==0 && __offset>=0 && __offset<(int64_t)(ut)->nativeIndexingLimit) { \
+        os_log(OS_LOG_DEFAULT, "# UTEXT_SETNATIVEINDEX (ut) %p, (ut)->chunkContents 0, __offset %lld", (ut), __offset); \
+    } else { \
+        utext_setNativeIndex((ut), (ix));
+    } \
+} UPRV_BLOCK_MACRO_END
+#else
+#define UTEXT_SETNATIVEINDEX(ut, ix) UPRV_BLOCK_MACRO_BEGIN { \
+    int64_t __offset = (ix) - (ut)->chunkNativeStart; \
+    if (__offset>=0 && __offset<(int64_t)(ut)->nativeIndexingLimit && (ut)->chunkContents[__offset]<0xdc00) { \
+        (ut)->chunkOffset=(int32_t)__offset; \
+    } else { \
+        utext_setNativeIndex((ut), (ix)); \
+    } \
+} UPRV_BLOCK_MACRO_END
+#endif
 
 
 
@@ -1555,7 +1571,7 @@ struct UText {
 U_STABLE UText * U_EXPORT2
 utext_setup(UText *ut, int32_t extraSpace, UErrorCode *status);
 
-#ifndef U_HIDE_INTERNAL_API
+// do not use #ifndef U_HIDE_INTERNAL_API around the following!
 /**
   * @internal
   *  Value used to help identify correctly initialized UText structs.
@@ -1564,7 +1580,6 @@ utext_setup(UText *ut, int32_t extraSpace, UErrorCode *status);
 enum {
     UTEXT_MAGIC = 0x345ad82c
 };
-#endif  /* U_HIDE_INTERNAL_API */
 
 /**
  * initializer to be used with local (stack) instances of a UText