From 911da04bffaeefd5340d0b46a4e6c4a2eb50455a Mon Sep 17 00:00:00 2001
From: Syn Wee Quek <swquek@svn.icu-project.org>
Date: Mon, 22 Jul 2002 20:41:10 +0000
Subject: [PATCH] ICU-1997 add functions for "ICU rule white space" -
 Cf+White_Space

X-SVN-Rev: 9281
---
 .../com/ibm/icu/impl/UCharacterProperty.java   | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/icu4j/src/com/ibm/icu/impl/UCharacterProperty.java b/icu4j/src/com/ibm/icu/impl/UCharacterProperty.java
index cf3b3eb7d9b..ea7c89d85cb 100644
--- a/icu4j/src/com/ibm/icu/impl/UCharacterProperty.java
+++ b/icu4j/src/com/ibm/icu/impl/UCharacterProperty.java
@@ -6,8 +6,8 @@
 *
 * $Source: 
 *         /usr/cvs/icu4j/icu4j/src/com/ibm/icu/text/UCharacterPropertyDB.java $ 
-* $Date: 2002/07/19 00:53:02 $ 
-* $Revision: 1.12 $
+* $Date: 2002/07/22 20:41:10 $ 
+* $Revision: 1.13 $
 *
 *******************************************************************************
 */
@@ -1355,6 +1355,20 @@ public final class UCharacterProperty implements Trie.DataManipulate
             }
         }
     }
+    
+    /**
+     * Checks if the argument c is to be treated as a white space in ICU
+     * rules. Usually ICU rule white spaces are ignored unless quoted.
+     * @param c codepoint to check
+     * @return true if c is a ICU white space
+     */
+    public static boolean isRuleWhiteSpace(int c) 
+    {
+        // "white space" in the sense of ICU rule parsers: Cf+White_Space
+        UCharacterProperty property = UCharacterProperty.getInstance();
+        return property.getType(c) == UCharacterCategory.FORMAT ||
+               property.hasBinaryProperty(c, UProperty.WHITE_SPACE);
+    }
 
     // protected variables -----------------------------------------------