pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / surround / query / SrndTruncQuery.java

diff --git a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/SrndTruncQuery.java b/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/SrndTruncQuery.java
deleted file mode 100644 (file)
index 4f28101..0000000
--- a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/surround/query/SrndTruncQuery.java
+++ /dev/null
@@ -1,109 +0,0 @@
-package org.apache.lucene.queryParser.surround.query;
-/**
- * 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.
- */
-
-import org.apache.lucene.index.Term;
-import org.apache.lucene.index.TermEnum;
-import org.apache.lucene.index.IndexReader;
-
-import java.io.IOException;
-
-import java.util.regex.Pattern;
-import java.util.regex.Matcher;
-
-
-public class SrndTruncQuery extends SimpleTerm {
-  public SrndTruncQuery(String truncated, char unlimited, char mask) {
-    super(false); /* not quoted */
-    this.truncated = truncated;
-    this.unlimited = unlimited;
-    this.mask = mask;
-    truncatedToPrefixAndPattern();
-  }
-  
-  private final String truncated;
-  private final char unlimited;
-  private final char mask;
-  
-  private String prefix;
-  private Pattern pattern;
-  
-  
-  public String getTruncated() {return truncated;}
-  
-  @Override
-  public String toStringUnquoted() {return getTruncated();}
-
-  
-  protected boolean matchingChar(char c) {
-    return (c != unlimited) && (c != mask);
-  }
-
-  protected void appendRegExpForChar(char c, StringBuilder re) {
-    if (c == unlimited)
-      re.append(".*");
-    else if (c == mask)
-      re.append(".");
-    else
-      re.append(c);
-  }
-  
-  protected void truncatedToPrefixAndPattern() {
-    int i = 0;
-    while ((i < truncated.length()) && matchingChar(truncated.charAt(i))) {
-      i++;
-    }
-    prefix = truncated.substring(0, i);
-    
-    StringBuilder re = new StringBuilder();
-    while (i < truncated.length()) {
-      appendRegExpForChar(truncated.charAt(i), re);
-      i++;
-    }
-    pattern = Pattern.compile(re.toString());
-  }
-  
-  @Override
-  public void visitMatchingTerms(
-    IndexReader reader,
-    String fieldName,
-    MatchingTermVisitor mtv) throws IOException
-  {
-    int prefixLength = prefix.length();
-    TermEnum enumerator = reader.terms(new Term(fieldName, prefix));
-    Matcher matcher = pattern.matcher("");
-    try {
-      do {
-        Term term = enumerator.term();
-        if (term != null) {
-          String text = term.text();
-          if ((! text.startsWith(prefix)) || (! term.field().equals(fieldName))) {
-            break;
-          } else {
-            matcher.reset( text.substring(prefixLength));
-            if (matcher.matches()) {
-              mtv.visitMatchingTerm(term);
-            }
-          }
-        }
-      } while (enumerator.next());
-    } finally {
-      enumerator.close();
-      matcher.reset();
-    }
-  }
-}