2004-01-07 Michael Koch <konqueror@gmx.de>

	* java/text/CollationElementIterator.java
	(textIndex): Renamed from index.
	* java/text/CollationKey.java
	(collator): New member.
	(CollationKey): New argument for parent collator.
	(equals): Check for same collator, source string and key array.
	* java/text/RuleBasedCollator.java:
	Reformated.
	(RuleBasedCollator): Don't re-initialize frenchAccents with default
	value.
	(getCollationElementIterator): Rewritten.
	(getCollationKey): Added new argument to CollationKey constructor.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75510 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 42 insertions, 31 deletions

diff --git a/libjava/java/text/CollationElementIterator.java b/libjava/java/text/CollationElementIterator.java
index bcb4f6b89c2..ecc95231d30 100644
--- a/libjava/java/text/CollationElementIterator.java
+++ b/libjava/java/text/CollationElementIterator.java
@@ -76,7 +76,7 @@ public final class CollationElementIterator
   /**
    * This is the index into the String where we are currently scanning.
    */
-  int index;
+  int textIndex;
 
   // A piece of lookahead.
   boolean lookahead_set;
@@ -107,7 +107,7 @@ public final class CollationElementIterator
    */
   public int next()
   {
-    if (index == text.length())
+    if (textIndex == text.length())
       return NULLORDER;
 
     return collator.ceiNext (this);
@@ -133,7 +133,7 @@ public final class CollationElementIterator
    */
   public void reset()
   {
-    index = 0;
+    textIndex = 0;
   }
 
   /**
@@ -175,7 +175,7 @@ public final class CollationElementIterator
   public void setText(String text)
   {
     this.text = text;
-    this.index = 0;
+    this.textIndex = 0;
     this.lookahead_set = false;
     this.lookahead = 0;
   }
@@ -190,6 +190,6 @@ public final class CollationElementIterator
    */
   public int getOffset()
   {
-    return index;
+    return textIndex;
   }
 }
diff --git a/libjava/java/text/CollationKey.java b/libjava/java/text/CollationKey.java
index f7e3148c50b..8859b320463 100644
--- a/libjava/java/text/CollationKey.java
+++ b/libjava/java/text/CollationKey.java
@@ -66,6 +66,11 @@ package java.text;
 public final class CollationKey implements Comparable
 {
   /**
+   * This is the <code>Collator</code> this object was created from.
+   */
+  private Collator collator;
+
+  /**
    * This is the <code>String</code> this object represents.
    */
   private String originalText;
@@ -75,9 +80,10 @@ public final class CollationKey implements Comparable
    */
   private int[] key;
 
-  CollationKey (CollationElementIterator iter, String originalText,
-		int strength)
+  CollationKey(Collator collator, CollationElementIterator iter,
+	       String originalText, int strength)
   {
+    this.collator = collator;
     this.originalText = originalText;
 
     // Compute size of required array.
@@ -153,12 +159,14 @@ public final class CollationKey implements Comparable
 
     CollationKey ck = (CollationKey) obj;
 
-    if (key.length != ck.key.length)
+    if (ck.collator != collator)
       return false;
 
-    for (int i = 0; i < key.length; ++i)
-      if (key[i] != ck.key[i])
-	return false;
+    if (!ck.getSourceString ().equals (getSourceString ()))
+      return false;
+
+    if (!ck.toByteArray ().equals (toByteArray ()))
+      return false;
 
     return true;
   }
diff --git a/libjava/java/text/RuleBasedCollator.java b/libjava/java/text/RuleBasedCollator.java
index 82df0d6919b..5b1dc0cfbed 100644
--- a/libjava/java/text/RuleBasedCollator.java
+++ b/libjava/java/text/RuleBasedCollator.java
@@ -152,13 +152,12 @@ public class RuleBasedCollator extends Collator
     String key;
     char relation;
 
-    CollationElement (String key, char relation)
+    CollationElement(String key, char relation)
     {
       this.key = key;
       this.relation = relation;
     }
-
-  } // inner class CollationElement
+  }
 
   // True if we are using French-style accent ordering.
   private boolean frenchAccents;
@@ -188,21 +187,21 @@ public class RuleBasedCollator extends Collator
    */
   public RuleBasedCollator(String rules) throws ParseException
   {
-    if (rules.equals (""))
-      throw new ParseException ("empty rule set", 0);
+    if (rules.equals(""))
+      throw new ParseException("empty rule set", 0);
     
     this.rules = rules;
-    this.frenchAccents = false;
 
     // We keep each rule in order in a vector.  At the end we traverse
     // the vector and compute collation values from it.
     int insertion_index = 0;
     Vector vec = new Vector ();
 
-    StringBuffer argument = new StringBuffer ();
-
+    int index;
+    StringBuffer argument = new StringBuffer();
     int len = rules.length();
-    for (int index = 0; index < len; ++index)
+
+    for (index = 0; index < len; ++index)
       {
 	char c = rules.charAt(index);
 
@@ -339,7 +338,7 @@ public class RuleBasedCollator extends Collator
 	return cei.lookahead;
       }
 
-    int save = cei.index;
+    int save = cei.textIndex;
     int max = cei.text.length();
     String s = null;
 
@@ -368,7 +367,7 @@ public class RuleBasedCollator extends Collator
       }
 
     // Update state.
-    cei.index = i;
+    cei.textIndex = i;
 
     if (obj == null)
       {
@@ -490,10 +489,12 @@ public class RuleBasedCollator extends Collator
    */
   public CollationElementIterator getCollationElementIterator(String source)
   {
-    StringBuffer expand = new StringBuffer (source.length());
-    int max = source.length();
-    for (int i = 0; i < max; ++i)
-      decomposeCharacter (source.charAt(i), expand);
+    int len = source.length();
+    StringBuffer expand = new StringBuffer(len);
+    
+    for (int index = 0; index < len; ++index)
+      decomposeCharacter(source.charAt(index), expand);
+    
     return new CollationElementIterator(this, expand.toString());
   }
 
@@ -508,11 +509,13 @@ public class RuleBasedCollator extends Collator
    */
   public CollationElementIterator getCollationElementIterator(CharacterIterator source)
   {
-    StringBuffer expand = new StringBuffer();
-    for (char c = source.first ();
+    StringBuffer expand = new StringBuffer("");
+    
+    // Right now we assume that we will read from the beginning of the string.
+    for (char c = source.first();
 	 c != CharacterIterator.DONE;
-	 c = source.next ())
-      decomposeCharacter (c, expand);
+	 c = source.next())
+      decomposeCharacter(c, expand);
 
     return new CollationElementIterator(this, expand.toString());
   }
@@ -530,7 +533,7 @@ public class RuleBasedCollator extends Collator
    */
   public CollationKey getCollationKey(String source)
   {
-    return new CollationKey(getCollationElementIterator(source), source,
+    return new CollationKey(this, getCollationElementIterator(source), source,
 			    strength);
   }