pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / analysis / BaseCharFilter.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/BaseCharFilter.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/BaseCharFilter.java
deleted file mode 100644 (file)
index 4b952bc..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/BaseCharFilter.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.lucene.analysis;
-
-import org.apache.lucene.util.ArrayUtil;
-
-/**
- * Base utility class for implementing a {@link CharFilter}.
- * You subclass this, and then record mappings by calling
- * {@link #addOffCorrectMap}, and then invoke the correct
- * method to correct an offset.
- */
-public abstract class BaseCharFilter extends CharFilter {
-
-  private int offsets[];
-  private int diffs[];
-  private int size = 0;
-  
-  public BaseCharFilter(CharStream in) {
-    super(in);
-  }
-
-  /** Retrieve the corrected offset. */
-  @Override
-  protected int correct(int currentOff) {
-    if (offsets == null || currentOff < offsets[0]) {
-      return currentOff;
-    }
-    
-    int hi = size - 1;
-    if(currentOff >= offsets[hi])
-      return currentOff + diffs[hi];
-
-    int lo = 0;
-    int mid = -1;
-    
-    while (hi >= lo) {
-      mid = (lo + hi) >>> 1;
-      if (currentOff < offsets[mid])
-        hi = mid - 1;
-      else if (currentOff > offsets[mid])
-        lo = mid + 1;
-      else
-        return currentOff + diffs[mid];
-    }
-
-    if (currentOff < offsets[mid])
-      return mid == 0 ? currentOff : currentOff + diffs[mid-1];
-    else
-      return currentOff + diffs[mid];
-  }
-  
-  protected int getLastCumulativeDiff() {
-    return offsets == null ?
-      0 : diffs[size-1];
-  }
-
-  protected void addOffCorrectMap(int off, int cumulativeDiff) {
-    if (offsets == null) {
-      offsets = new int[64];
-      diffs = new int[64];
-    } else if (size == offsets.length) {
-      offsets = ArrayUtil.grow(offsets);
-      diffs = ArrayUtil.grow(diffs);
-    }
-    
-    offsets[size] = off;
-    diffs[size++] = cumulativeDiff; 
-  }
-}