From 201b9f39a5c7a20fe913d0cf309a82ded79e34b5 Mon Sep 17 00:00:00 2001
From: Vladimir Weinstein <icu@weivsara.com>
Date: Fri, 14 Nov 2003 07:06:58 +0000
Subject: [PATCH] ICU-2202 getLocale API for breakiterator. Final
 implementation pending discussion with Andy

X-SVN-Rev: 13724
---
 icu4c/source/common/brkiter.cpp       | 16 ++++++++++++++++
 icu4c/source/common/ubrk.cpp          |  9 +++++++++
 icu4c/source/common/unicode/brkiter.h | 10 ++++++++++
 icu4c/source/common/unicode/ubrk.h    | 14 ++++++++++++++
 4 files changed, 49 insertions(+)

diff --git a/icu4c/source/common/brkiter.cpp b/icu4c/source/common/brkiter.cpp
index 7aa5042d963..e21e2542b6c 100644
--- a/icu4c/source/common/brkiter.cpp
+++ b/icu4c/source/common/brkiter.cpp
@@ -455,6 +455,22 @@ BreakIterator::makeInstance(const Locale& loc, int32_t kind, UErrorCode& status)
     }
 }
 
+Locale 
+BreakIterator::getLocale(ULocDataLocaleType type, UErrorCode& status) const
+{
+  switch(type) {
+  case ULOC_VALID_LOCALE:
+    return validLocale;
+    break;
+  case ULOC_ACTUAL_LOCALE:
+    return actualLocale;
+    break;
+  default:
+    status = U_UNSUPPORTED_ERROR;
+    return Locale("");
+  }
+}
+
 U_NAMESPACE_END
 
 // defined in ucln_cmn.h
diff --git a/icu4c/source/common/ubrk.cpp b/icu4c/source/common/ubrk.cpp
index 8cfb93c20d0..cd68f950b7b 100644
--- a/icu4c/source/common/ubrk.cpp
+++ b/icu4c/source/common/ubrk.cpp
@@ -265,4 +265,13 @@ ubrk_getRuleStatus(UBreakIterator *bi)
     return ((RuleBasedBreakIterator *)bi)->getRuleStatus();
 }
 
+U_CAPI const char* U_EXPORT2
+ubrk_getLocaleByType(const UBreakIterator *bi, 
+                     ULocDataLocaleType type, 
+                     UErrorCode* status)
+{
+  return (((BreakIterator *)bi)->getLocale(type, *status)).getName();
+}
+
+
 #endif /* #if !UCONFIG_NO_BREAK_ITERATION */
diff --git a/icu4c/source/common/unicode/brkiter.h b/icu4c/source/common/unicode/brkiter.h
index f915c5fd136..0d818f7187e 100644
--- a/icu4c/source/common/unicode/brkiter.h
+++ b/icu4c/source/common/unicode/brkiter.h
@@ -562,6 +562,13 @@ public:
      */
     static StringEnumeration* getAvailableLocales(void);
 
+    /**
+     * Returns the locale for this break iterator. Two flavors are available: valid and 
+     * actual locale. 
+     * @draft ICU 2.8
+     */
+    virtual Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const;
+
  private:
     static BreakIterator* makeCharacterInstance(const Locale& loc, UErrorCode& status);
     static BreakIterator* makeWordInstance(const Locale& loc, UErrorCode& status);
@@ -582,6 +589,9 @@ protected:
     UBool fBufferClone;
     /** @internal */
     BreakIterator (const BreakIterator &other) : UObject(other), fBufferClone(FALSE) {}
+    /** @internal */
+    Locale actualLocale;
+    Locale validLocale;
 private:
     /**
      * The assignment operator has no real implementation.
diff --git a/icu4c/source/common/unicode/ubrk.h b/icu4c/source/common/unicode/ubrk.h
index 2ace488bb04..6af8af0e42b 100644
--- a/icu4c/source/common/unicode/ubrk.h
+++ b/icu4c/source/common/unicode/ubrk.h
@@ -7,6 +7,7 @@
 #define UBRK_H
 
 #include "unicode/utypes.h"
+#include "unicode/uloc.h"
 
 /**
  * A text-break iterator.
@@ -519,6 +520,19 @@ ubrk_isBoundary(UBreakIterator *bi, int32_t offset);
 U_CAPI  int32_t U_EXPORT2
 ubrk_getRuleStatus(UBreakIterator *bi);
 
+/**
+ * Return the locale of the break iterator. You can choose between the valid and
+ * the actual locale.
+ * @param bi break iterator
+ * @param type locale type (valid or actual)
+ * @param status error code
+ * @return locale string
+ * @draft ICU 2.8
+ */
+U_CAPI const char* U_EXPORT2
+ubrk_getLocaleByType(const UBreakIterator *bi, ULocDataLocaleType type, UErrorCode* status);
+
+
 #endif /* #if !UCONFIG_NO_BREAK_ITERATION */
 
 #endif